Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2)  * This is the Fusion MPT base driver providing common API layer interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * for access to MPT (Message Passing Technology) firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  * This code is based on drivers/scsi/mpt3sas/mpt3sas_base.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  * Copyright (C) 2012-2014  LSI Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  * Copyright (C) 2013-2014 Avago Technologies
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  *  (mailto: MPT-FusionLinux.pdl@avagotech.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11)  * modify it under the terms of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12)  * as published by the Free Software Foundation; either version 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13)  * of the License, or (at your option) any later version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15)  * This program is distributed in the hope that it will be useful,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16)  * but WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17)  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18)  * GNU General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20)  * NO WARRANTY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21)  * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22)  * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23)  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24)  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25)  * solely responsible for determining the appropriateness of using and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26)  * distributing the Program and assumes all risks associated with its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27)  * exercise of rights under this Agreement, including but not limited to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28)  * the risks and costs of program errors, damage to or loss of data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29)  * programs or equipment, and unavailability or interruption of operations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31)  * DISCLAIMER OF LIABILITY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32)  * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33)  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34)  * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35)  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36)  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37)  * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38)  * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40)  * You should have received a copy of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41)  * along with this program; if not, write to the Free Software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42)  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43)  * USA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) #include <linux/kdev_t.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) #include <linux/blkdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) #include <linux/time.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) #include <linux/ktime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) #include <linux/kthread.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) #include <asm/page.h>        /* To get host page size per arch */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) #include <linux/aer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) #include "mpt3sas_base.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) static MPT_CALLBACK	mpt_callbacks[MPT_MAX_CALLBACKS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73)  /* maximum controller queue depth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) #define MAX_HBA_QUEUE_DEPTH	30000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) #define MAX_CHAIN_DEPTH		100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) static int max_queue_depth = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) module_param(max_queue_depth, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) MODULE_PARM_DESC(max_queue_depth, " max controller queue depth ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) static int max_sgl_entries = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) module_param(max_sgl_entries, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) MODULE_PARM_DESC(max_sgl_entries, " max sg entries ");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) static int msix_disable = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) module_param(msix_disable, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) static int smp_affinity_enable = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) module_param(smp_affinity_enable, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) MODULE_PARM_DESC(smp_affinity_enable, "SMP affinity feature enable/disable Default: enable(1)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) static int max_msix_vectors = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) module_param(max_msix_vectors, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) MODULE_PARM_DESC(max_msix_vectors,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 	" max msix vectors");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) static int irqpoll_weight = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) module_param(irqpoll_weight, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) MODULE_PARM_DESC(irqpoll_weight,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 	"irq poll weight (default= one fourth of HBA queue depth)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) static int mpt3sas_fwfault_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) MODULE_PARM_DESC(mpt3sas_fwfault_debug,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	" enable detection of firmware fault and halt firmware - (default=0)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) static int perf_mode = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) module_param(perf_mode, int, 0444);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) MODULE_PARM_DESC(perf_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 	"Performance mode (only for Aero/Sea Generation), options:\n\t\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	"0 - balanced: high iops mode is enabled &\n\t\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 	"interrupt coalescing is enabled only on high iops queues,\n\t\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 	"1 - iops: high iops mode is disabled &\n\t\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 	"interrupt coalescing is enabled on all queues,\n\t\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 	"2 - latency: high iops mode is disabled &\n\t\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 	"interrupt coalescing is enabled on all queues with timeout value 0xA,\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 	"\t\tdefault - default perf_mode is 'balanced'"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 	);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) enum mpt3sas_perf_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 	MPT_PERF_MODE_DEFAULT	= -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 	MPT_PERF_MODE_BALANCED	= 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 	MPT_PERF_MODE_IOPS	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 	MPT_PERF_MODE_LATENCY	= 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) _base_wait_on_iocstate(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 		u32 ioc_state, int timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) _base_clear_outstanding_commands(struct MPT3SAS_ADAPTER *ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135)  * mpt3sas_base_check_cmd_timeout - Function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136)  *		to check timeout and command termination due
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137)  *		to Host reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139)  * @ioc:	per adapter object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140)  * @status:	Status of issued command.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141)  * @mpi_request:mf request pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142)  * @sz:		size of buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144)  * @Returns - 1/0 Reset to be done or Not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) mpt3sas_base_check_cmd_timeout(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 		u8 status, void *mpi_request, int sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	u8 issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 	if (!(status & MPT3_CMD_RESET))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 		issue_reset = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	ioc_err(ioc, "Command %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 		issue_reset == 0 ? "terminated due to Host Reset" : "Timeout");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	_debug_dump_mf(mpi_request, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 	return issue_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163)  * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164)  * @val: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165)  * @kp: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167)  * Return: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) _scsih_set_fwfault_debug(const char *val, const struct kernel_param *kp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 	int ret = param_set_int(val, kp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	struct MPT3SAS_ADAPTER *ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 	/* global ioc spinlock to protect controller list on list operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 	pr_info("setting fwfault_debug(%d)\n", mpt3sas_fwfault_debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	spin_lock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 	list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 		ioc->fwfault_debug = mpt3sas_fwfault_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	spin_unlock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) module_param_call(mpt3sas_fwfault_debug, _scsih_set_fwfault_debug,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	param_get_int, &mpt3sas_fwfault_debug, 0644);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190)  * _base_readl_aero - retry readl for max three times.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191)  * @addr: MPT Fusion system interface register address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193)  * Retry the readl() for max three times if it gets zero value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194)  * while reading the system interface register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) static inline u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) _base_readl_aero(const volatile void __iomem *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	u32 i = 0, ret_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 		ret_val = readl(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 	} while (ret_val == 0 && i < 3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	return ret_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) static inline u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) _base_readl(const volatile void __iomem *addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 	return readl(addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216)  * _base_clone_reply_to_sys_mem - copies reply to reply free iomem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217)  *				  in BAR0 space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220)  * @reply: reply message frame(lower 32bit addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221)  * @index: System request message index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) _base_clone_reply_to_sys_mem(struct MPT3SAS_ADAPTER *ioc, u32 reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 		u32 index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 	 * 256 is offset within sys register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 	 * 256 offset MPI frame starts. Max MPI frame supported is 32.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 	 * 32 * 128 = 4K. From here, Clone of reply free for mcpu starts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 	u16 cmd_credit = ioc->facts.RequestCredit + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 	void __iomem *reply_free_iomem = (void __iomem *)ioc->chip +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 			MPI_FRAME_START_OFFSET +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 			(cmd_credit * ioc->request_sz) + (index * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 	writel(reply, reply_free_iomem);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241)  * _base_clone_mpi_to_sys_mem - Writes/copies MPI frames
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242)  *				to system/BAR0 region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244)  * @dst_iomem: Pointer to the destination location in BAR0 space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245)  * @src: Pointer to the Source data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246)  * @size: Size of data to be copied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) _base_clone_mpi_to_sys_mem(void *dst_iomem, void *src, u32 size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 	u32 *src_virt_mem = (u32 *)src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) 	for (i = 0; i < size/4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 		writel((u32)src_virt_mem[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 				(void __iomem *)dst_iomem + (i * 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260)  * _base_clone_to_sys_mem - Writes/copies data to system/BAR0 region
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262)  * @dst_iomem: Pointer to the destination location in BAR0 space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263)  * @src: Pointer to the Source data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264)  * @size: Size of data to be copied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) _base_clone_to_sys_mem(void __iomem *dst_iomem, void *src, u32 size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 	u32 *src_virt_mem = (u32 *)(src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 	for (i = 0; i < size/4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 		writel((u32)src_virt_mem[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 			(void __iomem *)dst_iomem + (i * 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278)  * _base_get_chain - Calculates and Returns virtual chain address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279)  *			 for the provided smid in BAR0 space.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283)  * @sge_chain_count: Scatter gather chain count.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285)  * Return: the chain address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) static inline void __iomem*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) _base_get_chain(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 		u8 sge_chain_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 	void __iomem *base_chain, *chain_virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 	u16 cmd_credit = ioc->facts.RequestCredit + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 	base_chain  = (void __iomem *)ioc->chip + MPI_FRAME_START_OFFSET +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 		(cmd_credit * ioc->request_sz) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 		REPLY_FREE_POOL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 	chain_virt = base_chain + (smid * ioc->facts.MaxChainDepth *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 			ioc->request_sz) + (sge_chain_count * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 	return chain_virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303)  * _base_get_chain_phys - Calculates and Returns physical address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304)  *			in BAR0 for scatter gather chains, for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305)  *			the provided smid.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309)  * @sge_chain_count: Scatter gather chain count.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311)  * Return: Physical chain address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) static inline phys_addr_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) _base_get_chain_phys(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 		u8 sge_chain_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	phys_addr_t base_chain_phys, chain_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 	u16 cmd_credit = ioc->facts.RequestCredit + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) 	base_chain_phys  = ioc->chip_phys + MPI_FRAME_START_OFFSET +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 		(cmd_credit * ioc->request_sz) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 		REPLY_FREE_POOL_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 	chain_phys = base_chain_phys + (smid * ioc->facts.MaxChainDepth *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 			ioc->request_sz) + (sge_chain_count * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 	return chain_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329)  * _base_get_buffer_bar0 - Calculates and Returns BAR0 mapped Host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330)  *			buffer address for the provided smid.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331)  *			(Each smid can have 64K starts from 17024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336)  * Return: Pointer to buffer location in BAR0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) static void __iomem *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) _base_get_buffer_bar0(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 	u16 cmd_credit = ioc->facts.RequestCredit + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	// Added extra 1 to reach end of chain.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 	void __iomem *chain_end = _base_get_chain(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 			cmd_credit + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 			ioc->facts.MaxChainDepth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 	return chain_end + (smid * 64 * 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351)  * _base_get_buffer_phys_bar0 - Calculates and Returns BAR0 mapped
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352)  *		Host buffer Physical address for the provided smid.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353)  *		(Each smid can have 64K starts from 17024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358)  * Return: Pointer to buffer location in BAR0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) static phys_addr_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) _base_get_buffer_phys_bar0(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 	u16 cmd_credit = ioc->facts.RequestCredit + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 	phys_addr_t chain_end_phys = _base_get_chain_phys(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 			cmd_credit + 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 			ioc->facts.MaxChainDepth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 	return chain_end_phys + (smid * 64 * 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371)  * _base_get_chain_buffer_dma_to_chain_buffer - Iterates chain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372)  *			lookup list and Provides chain_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373)  *			address for the matching dma address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374)  *			(Each smid can have 64K starts from 17024)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377)  * @chain_buffer_dma: Chain buffer dma address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379)  * Return: Pointer to chain buffer. Or Null on Failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) static void *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) _base_get_chain_buffer_dma_to_chain_buffer(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 		dma_addr_t chain_buffer_dma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 	u16 index, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 	struct chain_tracker *ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 	for (index = 0; index < ioc->scsiio_depth; index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 		for (j = 0; j < ioc->chains_needed_per_io; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 			ct = &ioc->chain_lookup[index].chains_per_smid[j];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 			if (ct && ct->chain_buffer_dma == chain_buffer_dma)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 				return ct->chain_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 	ioc_info(ioc, "Provided chain_buffer_dma address is not in the lookup list\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400)  * _clone_sg_entries -	MPI EP's scsiio and config requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401)  *			are handled here. Base function for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402)  *			double buffering, before submitting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403)  *			the requests.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405)  * @ioc: per adapter object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406)  * @mpi_request: mf request pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407)  * @smid: system request message index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) static void _clone_sg_entries(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 		void *mpi_request, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 	Mpi2SGESimple32_t *sgel, *sgel_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 	u32  sgl_flags, sge_chain_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 	bool is_write = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 	u16 i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 	void __iomem *buffer_iomem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 	phys_addr_t buffer_iomem_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 	void __iomem *buff_ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 	phys_addr_t buff_ptr_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 	void __iomem *dst_chain_addr[MCPU_MAX_CHAINS_PER_IO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 	void *src_chain_addr[MCPU_MAX_CHAINS_PER_IO];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 	phys_addr_t dst_addr_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 	MPI2RequestHeader_t *request_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 	struct scsi_cmnd *scmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 	struct scatterlist *sg_scmd = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 	int is_scsiio_req = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 	request_hdr = (MPI2RequestHeader_t *) mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 	if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 		Mpi25SCSIIORequest_t *scsiio_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 			(Mpi25SCSIIORequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 		sgel = (Mpi2SGESimple32_t *) &scsiio_request->SGL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 		is_scsiio_req = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 	} else if (request_hdr->Function == MPI2_FUNCTION_CONFIG) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 		Mpi2ConfigRequest_t  *config_req =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 			(Mpi2ConfigRequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 		sgel = (Mpi2SGESimple32_t *) &config_req->PageBufferSGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 	/* From smid we can get scsi_cmd, once we have sg_scmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 	 * we just need to get sg_virt and sg_next to get virual
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 	 * address associated with sgel->Address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 	if (is_scsiio_req) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 		/* Get scsi_cmd using smid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 		scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 		if (scmd == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 			ioc_err(ioc, "scmd is NULL\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 		/* Get sg_scmd from scmd provided */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 		sg_scmd = scsi_sglist(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 	 * 0 - 255	System register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 	 * 256 - 4352	MPI Frame. (This is based on maxCredit 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 	 * 4352 - 4864	Reply_free pool (512 byte is reserved
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 	 *		considering maxCredit 32. Reply need extra
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 	 *		room, for mCPU case kept four times of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 	 *		maxCredit).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 	 * 4864 - 17152	SGE chain element. (32cmd * 3 chain of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 	 *		128 byte size = 12288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 	 * 17152 - x	Host buffer mapped with smid.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 	 *		(Each smid can have 64K Max IO.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 	 * BAR0+Last 1K MSIX Addr and Data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 	 * Total size in use 2113664 bytes of 4MB BAR0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 	buffer_iomem = _base_get_buffer_bar0(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 	buffer_iomem_phys = _base_get_buffer_phys_bar0(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 	buff_ptr = buffer_iomem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 	buff_ptr_phys = buffer_iomem_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 	WARN_ON(buff_ptr_phys > U32_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 	if (le32_to_cpu(sgel->FlagsLength) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 			(MPI2_SGE_FLAGS_HOST_TO_IOC << MPI2_SGE_FLAGS_SHIFT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 		is_write = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	for (i = 0; i < MPT_MIN_PHYS_SEGMENTS + ioc->facts.MaxChainDepth; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 		sgl_flags =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 		    (le32_to_cpu(sgel->FlagsLength) >> MPI2_SGE_FLAGS_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 		switch (sgl_flags & MPI2_SGE_FLAGS_ELEMENT_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) 		case MPI2_SGE_FLAGS_CHAIN_ELEMENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) 			 * Helper function which on passing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 			 * chain_buffer_dma returns chain_buffer. Get
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 			 * the virtual address for sgel->Address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 			sgel_next =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 				_base_get_chain_buffer_dma_to_chain_buffer(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 						le32_to_cpu(sgel->Address));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 			if (sgel_next == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 				return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 			 * This is coping 128 byte chain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 			 * frame (not a host buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 			dst_chain_addr[sge_chain_count] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 				_base_get_chain(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 					smid, sge_chain_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 			src_chain_addr[sge_chain_count] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 						(void *) sgel_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 			dst_addr_phys = _base_get_chain_phys(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 						smid, sge_chain_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 			WARN_ON(dst_addr_phys > U32_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 			sgel->Address =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 				cpu_to_le32(lower_32_bits(dst_addr_phys));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 			sgel = sgel_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 			sge_chain_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 		case MPI2_SGE_FLAGS_SIMPLE_ELEMENT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 			if (is_write) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 				if (is_scsiio_req) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 					_base_clone_to_sys_mem(buff_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 					    sg_virt(sg_scmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 					    (le32_to_cpu(sgel->FlagsLength) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 					    0x00ffffff));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 					/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 					 * FIXME: this relies on a a zero
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 					 * PCI mem_offset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 					 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 					sgel->Address =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 					    cpu_to_le32((u32)buff_ptr_phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 				} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 					_base_clone_to_sys_mem(buff_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 					    ioc->config_vaddr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 					    (le32_to_cpu(sgel->FlagsLength) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 					    0x00ffffff));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 					sgel->Address =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 					    cpu_to_le32((u32)buff_ptr_phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 			buff_ptr += (le32_to_cpu(sgel->FlagsLength) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 			    0x00ffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 			buff_ptr_phys += (le32_to_cpu(sgel->FlagsLength) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 			    0x00ffffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 			if ((le32_to_cpu(sgel->FlagsLength) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 			    (MPI2_SGE_FLAGS_END_OF_BUFFER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 					<< MPI2_SGE_FLAGS_SHIFT)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 				goto eob_clone_chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 			else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 				 * Every single element in MPT will have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 				 * associated sg_next. Better to sanity that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 				 * sg_next is not NULL, but it will be a bug
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 				 * if it is null.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 				if (is_scsiio_req) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 					sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 					if (sg_scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 						sgel++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 					else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 						goto eob_clone_chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) eob_clone_chain:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 	for (i = 0; i < sge_chain_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 		if (is_scsiio_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 			_base_clone_to_sys_mem(dst_chain_addr[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 				src_chain_addr[i], ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577)  *  mpt3sas_remove_dead_ioc_func - kthread context to remove dead ioc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578)  * @arg: input argument, used to derive ioc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580)  * Return:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581)  * 0 if controller is removed from pci subsystem.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582)  * -1 for other case.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) static int mpt3sas_remove_dead_ioc_func(void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 	struct MPT3SAS_ADAPTER *ioc = (struct MPT3SAS_ADAPTER *)arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 	struct pci_dev *pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 	if (!ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 	pdev = ioc->pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 	if (!pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 	pci_stop_and_remove_bus_device_locked(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600)  * _base_fault_reset_work - workq handling ioc fault conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601)  * @work: input argument, used to derive ioc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603)  * Context: sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) _base_fault_reset_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 	struct MPT3SAS_ADAPTER *ioc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 	    container_of(work, struct MPT3SAS_ADAPTER, fault_reset_work.work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 	unsigned long	 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 	u32 doorbell;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 	struct task_struct *p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 	if ((ioc->shost_recovery && (ioc->ioc_coredump_loop == 0)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 			ioc->pci_error_recovery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 		goto rearm_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 	doorbell = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 	if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 		ioc_err(ioc, "SAS host is non-operational !!!!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 		/* It may be possible that EEH recovery can resolve some of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 		 * pci bus failure issues rather removing the dead ioc function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 		 * by considering controller is in a non-operational state. So
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 		 * here priority is given to the EEH recovery. If it doesn't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 		 * not resolve this issue, mpt3sas driver will consider this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 		 * controller to non-operational state and remove the dead ioc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 		 * function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 		if (ioc->non_operational_loop++ < 5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 			spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 							 flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 			goto rearm_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 		 * Call _scsih_flush_pending_cmds callback so that we flush all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 		 * pending commands back to OS. This call is required to aovid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 		 * deadlock at block layer. Dead IOC will fail to do diag reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 		 * and this call is safe since dead ioc will never return any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 		 * command back from HW.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 		ioc->schedule_dead_ioc_flush_running_cmds(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 		 * Set remove_host flag early since kernel thread will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 		 * take some time to execute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 		ioc->remove_host = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 		/*Remove the Dead Host */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 		p = kthread_run(mpt3sas_remove_dead_ioc_func, ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 		    "%s_dead_ioc_%d", ioc->driver_name, ioc->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 		if (IS_ERR(p))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 			ioc_err(ioc, "%s: Running mpt3sas_dead_ioc thread failed !!!!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 				__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 			ioc_err(ioc, "%s: Running mpt3sas_dead_ioc thread success !!!!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) 				__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 		return; /* don't rearm timer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_COREDUMP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 		u8 timeout = (ioc->manu_pg11.CoreDumpTOSec) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 		    ioc->manu_pg11.CoreDumpTOSec :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 		    MPT3SAS_DEFAULT_COREDUMP_TIMEOUT_SECONDS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 		timeout /= (FAULT_POLLING_INTERVAL/1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 		if (ioc->ioc_coredump_loop == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 			mpt3sas_print_coredump_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 			    doorbell & MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 			/* do not accept any IOs and disable the interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 			spin_lock_irqsave(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 			    &ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 			ioc->shost_recovery = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 			spin_unlock_irqrestore(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 			    &ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 			mpt3sas_base_mask_interrupts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 			_base_clear_outstanding_commands(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 		ioc_info(ioc, "%s: CoreDump loop %d.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 		    __func__, ioc->ioc_coredump_loop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 		/* Wait until CoreDump completes or times out */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 		if (ioc->ioc_coredump_loop++ < timeout) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 			spin_lock_irqsave(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 			    &ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 			goto rearm_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 	if (ioc->ioc_coredump_loop) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 		if ((doorbell & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_COREDUMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 			ioc_err(ioc, "%s: CoreDump completed. LoopCount: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 			    __func__, ioc->ioc_coredump_loop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 			ioc_err(ioc, "%s: CoreDump Timed out. LoopCount: %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 			    __func__, ioc->ioc_coredump_loop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 		ioc->ioc_coredump_loop = MPT3SAS_COREDUMP_LOOP_DONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 	ioc->non_operational_loop = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 	if ((doorbell & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 		rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 		ioc_warn(ioc, "%s: hard reset: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 			 __func__, rc == 0 ? "success" : "failed");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 		doorbell = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 		if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 			mpt3sas_print_fault_code(ioc, doorbell &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 			    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 		} else if ((doorbell & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 		    MPI2_IOC_STATE_COREDUMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 			mpt3sas_print_coredump_info(ioc, doorbell &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 			    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 		if (rc && (doorbell & MPI2_IOC_STATE_MASK) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 		    MPI2_IOC_STATE_OPERATIONAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 			return; /* don't rearm timer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 	ioc->ioc_coredump_loop = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725)  rearm_timer:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 	if (ioc->fault_reset_work_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 		queue_delayed_work(ioc->fault_reset_work_q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 		    &ioc->fault_reset_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 		    msecs_to_jiffies(FAULT_POLLING_INTERVAL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734)  * mpt3sas_base_start_watchdog - start the fault_reset_work_q
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737)  * Context: sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	unsigned long	 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	if (ioc->fault_reset_work_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 	/* initialize fault polling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 	INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 	snprintf(ioc->fault_reset_work_q_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 	    sizeof(ioc->fault_reset_work_q_name), "poll_%s%d_status",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	    ioc->driver_name, ioc->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 	ioc->fault_reset_work_q =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 		create_singlethread_workqueue(ioc->fault_reset_work_q_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 	if (!ioc->fault_reset_work_q) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 		ioc_err(ioc, "%s: failed (line=%d)\n", __func__, __LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 	if (ioc->fault_reset_work_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 		queue_delayed_work(ioc->fault_reset_work_q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 		    &ioc->fault_reset_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 		    msecs_to_jiffies(FAULT_POLLING_INTERVAL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768)  * mpt3sas_base_stop_watchdog - stop the fault_reset_work_q
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771)  * Context: sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 	struct workqueue_struct *wq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 	wq = ioc->fault_reset_work_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 	ioc->fault_reset_work_q = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 	if (wq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 		if (!cancel_delayed_work_sync(&ioc->fault_reset_work))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 			flush_workqueue(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 		destroy_workqueue(wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791)  * mpt3sas_base_fault_info - verbose translation of firmware FAULT code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793)  * @fault_code: fault code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 	ioc_err(ioc, "fault_state(0x%04x)!\n", fault_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802)  * mpt3sas_base_coredump_info - verbose translation of firmware CoreDump state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804)  * @fault_code: fault code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806)  * Return nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) mpt3sas_base_coredump_info(struct MPT3SAS_ADAPTER *ioc, u16 fault_code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 	ioc_err(ioc, "coredump_state(0x%04x)!\n", fault_code);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815)  * mpt3sas_base_wait_for_coredump_completion - Wait until coredump
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816)  * completes or times out
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818)  * @caller: caller function name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820)  * Returns 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) mpt3sas_base_wait_for_coredump_completion(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 		const char *caller)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 	u8 timeout = (ioc->manu_pg11.CoreDumpTOSec) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 			ioc->manu_pg11.CoreDumpTOSec :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 			MPT3SAS_DEFAULT_COREDUMP_TIMEOUT_SECONDS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 	int ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_FAULT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 					timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 	if (ioc_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 		ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 		    "%s: CoreDump timed out. (ioc_state=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 		    caller, ioc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 		ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 		    "%s: CoreDump completed. (ioc_state=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 		    caller, ioc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 	return ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846)  * mpt3sas_halt_firmware - halt's mpt controller firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849)  * For debugging timeout related issues.  Writing 0xCOFFEE00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850)  * to the doorbell register will halt controller firmware. With
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851)  * the purpose to stop both driver and firmware, the enduser can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852)  * obtain a ring buffer from controller UART.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 	u32 doorbell;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 	if (!ioc->fwfault_debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 	dump_stack();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 	doorbell = ioc->base_readl(&ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 	if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 		mpt3sas_print_fault_code(ioc, doorbell &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 		    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 	} else if ((doorbell & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 	    MPI2_IOC_STATE_COREDUMP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 		mpt3sas_print_coredump_info(ioc, doorbell &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 		    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 		writel(0xC0FFEE00, &ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 		ioc_err(ioc, "Firmware is halted due to command timeout\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 	if (ioc->fwfault_debug == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 		for (;;)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 			;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 		panic("panic in %s\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885)  * _base_sas_ioc_info - verbose translation of the ioc status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887)  * @mpi_reply: reply mf payload returned from firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888)  * @request_hdr: request mf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) _base_sas_ioc_info(struct MPT3SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 	MPI2RequestHeader_t *request_hdr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 	u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 	    MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 	char *desc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 	u16 frame_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 	char *func_str = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 	/* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 	if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 	    request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 	    request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 	if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 	switch (ioc_status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) *  Common IOCStatus values for all replies
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 	case MPI2_IOCSTATUS_INVALID_FUNCTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 		desc = "invalid function";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 	case MPI2_IOCSTATUS_BUSY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 		desc = "busy";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 	case MPI2_IOCSTATUS_INVALID_SGL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 		desc = "invalid sgl";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 	case MPI2_IOCSTATUS_INTERNAL_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 		desc = "internal error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 	case MPI2_IOCSTATUS_INVALID_VPID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 		desc = "invalid vpid";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 		desc = "insufficient resources";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 	case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 		desc = "insufficient power";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 	case MPI2_IOCSTATUS_INVALID_FIELD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 		desc = "invalid field";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 	case MPI2_IOCSTATUS_INVALID_STATE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 		desc = "invalid state";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 	case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 		desc = "op state not supported";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) *  Config IOCStatus values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 	case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 		desc = "config invalid action";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 	case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 		desc = "config invalid type";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 	case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 		desc = "config invalid page";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 	case MPI2_IOCSTATUS_CONFIG_INVALID_DATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 		desc = "config invalid data";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 		desc = "config no defaults";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 		desc = "config cant commit";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) *  SCSI IO Reply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 	case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 	case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 	case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 	case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 	case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 	case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 	case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 	case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 	case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) *  For use by SCSI Initiator and SCSI Target end-to-end data protection
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 	case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 		desc = "eedp guard error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 		desc = "eedp ref tag error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 	case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 		desc = "eedp app tag error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) *  SCSI Target values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 	case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 		desc = "target invalid io index";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 	case MPI2_IOCSTATUS_TARGET_ABORTED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 		desc = "target aborted";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 	case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 		desc = "target no conn retryable";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 	case MPI2_IOCSTATUS_TARGET_NO_CONNECTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 		desc = "target no connection";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 	case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 		desc = "target xfer count mismatch";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 	case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 		desc = "target data offset error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 	case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 		desc = "target too much write data";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 	case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 		desc = "target iu too short";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 	case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 		desc = "target ack nak timeout";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 	case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 		desc = "target nak received";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) *  Serial Attached SCSI values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 	case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 		desc = "smp request failed";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 	case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 		desc = "smp data overrun";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) /****************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) *  Diagnostic Buffer Post / Diagnostic Release values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) ****************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 	case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 		desc = "diagnostic released";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 	if (!desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 	switch (request_hdr->Function) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 	case MPI2_FUNCTION_CONFIG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 		frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 		func_str = "config_page";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 	case MPI2_FUNCTION_SCSI_TASK_MGMT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 		frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 		func_str = "task_mgmt";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 	case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 		frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 		func_str = "sas_iounit_ctl";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 	case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 		frame_sz = sizeof(Mpi2SepRequest_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 		func_str = "enclosure";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 	case MPI2_FUNCTION_IOC_INIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 		frame_sz = sizeof(Mpi2IOCInitRequest_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 		func_str = "ioc_init";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 	case MPI2_FUNCTION_PORT_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 		frame_sz = sizeof(Mpi2PortEnableRequest_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 		func_str = "port_enable";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 	case MPI2_FUNCTION_SMP_PASSTHROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 		frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 		func_str = "smp_passthru";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 	case MPI2_FUNCTION_NVME_ENCAPSULATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 		frame_sz = sizeof(Mpi26NVMeEncapsulatedRequest_t) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 		    ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 		func_str = "nvme_encapsulated";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 		frame_sz = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 		func_str = "unknown";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 	ioc_warn(ioc, "ioc_status: %s(0x%04x), request(0x%p),(%s)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 		 desc, ioc_status, request_hdr, func_str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 	_debug_dump_mf(request_hdr, frame_sz/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108)  * _base_display_event_data - verbose translation of firmware asyn events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)  * @mpi_reply: reply mf payload returned from firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) _base_display_event_data(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 	Mpi2EventNotificationReply_t *mpi_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 	char *desc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 	u16 event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 	if (!(ioc->logging_level & MPT_DEBUG_EVENTS))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 	event = le16_to_cpu(mpi_reply->Event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 	switch (event) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 	case MPI2_EVENT_LOG_DATA:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 		desc = "Log Data";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 	case MPI2_EVENT_STATE_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 		desc = "Status Change";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 	case MPI2_EVENT_HARD_RESET_RECEIVED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 		desc = "Hard Reset Received";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 	case MPI2_EVENT_EVENT_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 		desc = "Event Change";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 	case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 		desc = "Device Status Change";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 	case MPI2_EVENT_IR_OPERATION_STATUS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 		if (!ioc->hide_ir_msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 			desc = "IR Operation Status";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 	case MPI2_EVENT_SAS_DISCOVERY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 		Mpi2EventDataSasDiscovery_t *event_data =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 		    (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 		ioc_info(ioc, "Discovery: (%s)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 			 event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 			 "start" : "stop");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 		if (event_data->DiscoveryStatus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 			pr_cont(" discovery_status(0x%08x)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 			    le32_to_cpu(event_data->DiscoveryStatus));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 		pr_cont("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 	case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 		desc = "SAS Broadcast Primitive";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 	case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 		desc = "SAS Init Device Status Change";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 	case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 		desc = "SAS Init Table Overflow";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 	case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 		desc = "SAS Topology Change List";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 	case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 		desc = "SAS Enclosure Device Status Change";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 	case MPI2_EVENT_IR_VOLUME:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 		if (!ioc->hide_ir_msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 			desc = "IR Volume";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 	case MPI2_EVENT_IR_PHYSICAL_DISK:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 		if (!ioc->hide_ir_msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 			desc = "IR Physical Disk";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 	case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 		if (!ioc->hide_ir_msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 			desc = "IR Configuration Change List";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 	case MPI2_EVENT_LOG_ENTRY_ADDED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 		if (!ioc->hide_ir_msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 			desc = "Log Entry Added";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 	case MPI2_EVENT_TEMP_THRESHOLD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 		desc = "Temperature Threshold";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 	case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 		desc = "Cable Event";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 	case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 		desc = "SAS Device Discovery Error";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 	case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 		desc = "PCIE Device Status Change";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 	case MPI2_EVENT_PCIE_ENUMERATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 		Mpi26EventDataPCIeEnumeration_t *event_data =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 			(Mpi26EventDataPCIeEnumeration_t *)mpi_reply->EventData;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 		ioc_info(ioc, "PCIE Enumeration: (%s)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 			 event_data->ReasonCode == MPI26_EVENT_PCIE_ENUM_RC_STARTED ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 			 "start" : "stop");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 		if (event_data->EnumerationStatus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 			pr_cont("enumeration_status(0x%08x)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 				le32_to_cpu(event_data->EnumerationStatus));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 		pr_cont("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 	case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 		desc = "PCIE Topology Change List";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 	if (!desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 	ioc_info(ioc, "%s\n", desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)  * _base_sas_log_info - verbose translation of firmware log info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227)  * @log_info: log info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) _base_sas_log_info(struct MPT3SAS_ADAPTER *ioc , u32 log_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 	union loginfo_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 		u32	loginfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 		struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 			u32	subcode:16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 			u32	code:8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 			u32	originator:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 			u32	bus_type:4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 		} dw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 	};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 	union loginfo_type sas_loginfo;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 	char *originator_str = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 	sas_loginfo.loginfo = log_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 	if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 	/* each nexus loss loginfo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 	if (log_info == 0x31170000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 	/* eat the loginfos associated with task aborts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 	if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 	    0x31140000 || log_info == 0x31130000))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 	switch (sas_loginfo.dw.originator) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 		originator_str = "IOP";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 		originator_str = "PL";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 	case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 		if (!ioc->hide_ir_msg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 			originator_str = "IR";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 			originator_str = "WarpDrive";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 	ioc_warn(ioc, "log_info(0x%08x): originator(%s), code(0x%02x), sub_code(0x%04x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 		 log_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 		 originator_str, sas_loginfo.dw.code, sas_loginfo.dw.subcode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278)  * _base_display_reply_info -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281)  * @msix_index: MSIX table index supplied by the OS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282)  * @reply: reply message frame(lower 32bit addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) _base_display_reply_info(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 	u32 reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 	MPI2DefaultReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 	u32 loginfo = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 	mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 	if (unlikely(!mpi_reply)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 		ioc_err(ioc, "mpi_reply not valid at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 			__FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 	ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	if ((ioc_status & MPI2_IOCSTATUS_MASK) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 	    (ioc->logging_level & MPT_DEBUG_REPLY)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 		_base_sas_ioc_info(ioc , mpi_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 		   mpt3sas_base_get_msg_frame(ioc, smid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 	if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 		loginfo = le32_to_cpu(mpi_reply->IOCLogInfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 		_base_sas_log_info(ioc, loginfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 	if (ioc_status || loginfo) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 		ioc_status &= MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 		mpt3sas_trigger_mpi(ioc, ioc_status, loginfo);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318)  * mpt3sas_base_done - base internal command completion routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321)  * @msix_index: MSIX table index supplied by the OS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322)  * @reply: reply message frame(lower 32bit addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324)  * Return:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325)  * 1 meaning mf should be freed from _base_interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326)  * 0 means the mf is freed from this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 	u32 reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 	MPI2DefaultReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 	mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 	if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 		return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 	if (ioc->base_cmds.status == MPT3_CMD_NOT_USED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 	ioc->base_cmds.status |= MPT3_CMD_COMPLETE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 	if (mpi_reply) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 		ioc->base_cmds.status |= MPT3_CMD_REPLY_VALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 		memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 	ioc->base_cmds.status &= ~MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 	complete(&ioc->base_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353)  * _base_async_event - main callback handler for firmware asyn events
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355)  * @msix_index: MSIX table index supplied by the OS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356)  * @reply: reply message frame(lower 32bit addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358)  * Return:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359)  * 1 meaning mf should be freed from _base_interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360)  * 0 means the mf is freed from this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) static u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) _base_async_event(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 	Mpi2EventNotificationReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 	Mpi2EventAckRequest_t *ack_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 	struct _event_ack_list *delayed_event_ack;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 	mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	if (!mpi_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 	if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 	_base_display_event_data(ioc, mpi_reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 	if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 	smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 		delayed_event_ack = kzalloc(sizeof(*delayed_event_ack),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 					GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 		if (!delayed_event_ack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 		INIT_LIST_HEAD(&delayed_event_ack->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 		delayed_event_ack->Event = mpi_reply->Event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 		delayed_event_ack->EventContext = mpi_reply->EventContext;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 		list_add_tail(&delayed_event_ack->list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 				&ioc->delayed_event_ack_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 		dewtprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 			   ioc_info(ioc, "DELAYED: EVENT ACK: event (0x%04x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 				    le16_to_cpu(mpi_reply->Event)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 	ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 	memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 	ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 	ack_request->Event = mpi_reply->Event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 	ack_request->EventContext = mpi_reply->EventContext;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 	ack_request->VF_ID = 0;  /* TODO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 	ack_request->VP_ID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 	/* scsih callback handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 	mpt3sas_scsih_event_callback(ioc, msix_index, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) 	/* ctl callback handler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 	mpt3sas_ctl_event_callback(ioc, msix_index, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) static struct scsiio_tracker *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) _get_st_from_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 	struct scsi_cmnd *cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 	if (WARN_ON(!smid) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 	    WARN_ON(smid >= ioc->hi_priority_smid))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	cmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 	if (cmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 		return scsi_cmd_priv(cmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434)  * _base_get_cb_idx - obtain the callback index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438)  * Return: callback index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) static u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) _base_get_cb_idx(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 	u16 ctl_smid = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 	u8 cb_idx = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 	if (smid < ioc->hi_priority_smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 		struct scsiio_tracker *st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 		if (smid < ctl_smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 			st = _get_st_from_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 			if (st)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 				cb_idx = st->cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 		} else if (smid == ctl_smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 			cb_idx = ioc->ctl_cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 	} else if (smid < ioc->internal_smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 		i = smid - ioc->hi_priority_smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 		cb_idx = ioc->hpr_lookup[i].cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 	} else if (smid <= ioc->hba_queue_depth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 		i = smid - ioc->internal_smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 		cb_idx = ioc->internal_lookup[i].cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 	return cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467)  * mpt3sas_base_mask_interrupts - disable interrupts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470)  * Disabling ResetIRQ, Reply and Doorbell Interrupts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) mpt3sas_base_mask_interrupts(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	u32 him_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 	ioc->mask_interrupts = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 	him_register = ioc->base_readl(&ioc->chip->HostInterruptMask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 	him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 	writel(him_register, &ioc->chip->HostInterruptMask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 	ioc->base_readl(&ioc->chip->HostInterruptMask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485)  * mpt3sas_base_unmask_interrupts - enable interrupts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488)  * Enabling only Reply Interrupts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) mpt3sas_base_unmask_interrupts(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 	u32 him_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 	him_register = ioc->base_readl(&ioc->chip->HostInterruptMask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 	him_register &= ~MPI2_HIM_RIM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 	writel(him_register, &ioc->chip->HostInterruptMask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 	ioc->mask_interrupts = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) union reply_descriptor {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 	u64 word;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 	struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 		u32 low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 		u32 high;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 	} u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) static u32 base_mod64(u64 dividend, u32 divisor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 	u32 remainder;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 	if (!divisor)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 		pr_err("mpt3sas: DIVISOR is zero, in div fn\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 	remainder = do_div(dividend, divisor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 	return remainder;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520)  * _base_process_reply_queue - Process reply descriptors from reply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521)  *		descriptor post queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522)  * @reply_q: per IRQ's reply queue object.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524)  * Return: number of reply descriptors processed from reply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525)  *		descriptor queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) _base_process_reply_queue(struct adapter_reply_queue *reply_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 	union reply_descriptor rd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 	u64 completed_cmds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 	u8 request_descript_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 	u8 cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 	u32 reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) 	u8 msix_index = reply_q->msix_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 	struct MPT3SAS_ADAPTER *ioc = reply_q->ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 	Mpi2ReplyDescriptorsUnion_t *rpf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 	u8 rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 	completed_cmds = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 	if (!atomic_add_unless(&reply_q->busy, 1, 1))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 		return completed_cmds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 	rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	request_descript_type = rpf->Default.ReplyFlags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 	     & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	if (request_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 		atomic_dec(&reply_q->busy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 		return completed_cmds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	cb_idx = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 		rd.word = le64_to_cpu(rpf->Words);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 		if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 		reply = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 		smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 		if (request_descript_type ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 		    MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 		    request_descript_type ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 		    MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 		    request_descript_type ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 		    MPI26_RPY_DESCRIPT_FLAGS_PCIE_ENCAPSULATED_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 			cb_idx = _base_get_cb_idx(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 			if ((likely(cb_idx < MPT_MAX_CALLBACKS)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 			    (likely(mpt_callbacks[cb_idx] != NULL))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 				rc = mpt_callbacks[cb_idx](ioc, smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 				    msix_index, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 				if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 					mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 		} else if (request_descript_type ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 		    MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 			reply = le32_to_cpu(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 			    rpf->AddressReply.ReplyFrameAddress);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 			if (reply > ioc->reply_dma_max_address ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 			    reply < ioc->reply_dma_min_address)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 				reply = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 			if (smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 				cb_idx = _base_get_cb_idx(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 				if ((likely(cb_idx < MPT_MAX_CALLBACKS)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 				    (likely(mpt_callbacks[cb_idx] != NULL))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 					rc = mpt_callbacks[cb_idx](ioc, smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 					    msix_index, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 					if (reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 						_base_display_reply_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 						    smid, msix_index, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 					if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 						mpt3sas_base_free_smid(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 						    smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 				_base_async_event(ioc, msix_index, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 			/* reply free queue handling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 			if (reply) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 				ioc->reply_free_host_index =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 				    (ioc->reply_free_host_index ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 				    (ioc->reply_free_queue_depth - 1)) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 				    0 : ioc->reply_free_host_index + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 				ioc->reply_free[ioc->reply_free_host_index] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 				    cpu_to_le32(reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 				if (ioc->is_mcpu_endpoint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 					_base_clone_reply_to_sys_mem(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 						reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 						ioc->reply_free_host_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 				writel(ioc->reply_free_host_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 				    &ioc->chip->ReplyFreeHostIndex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 		rpf->Words = cpu_to_le64(ULLONG_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 		reply_q->reply_post_host_index =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 		    (reply_q->reply_post_host_index ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 		    (ioc->reply_post_queue_depth - 1)) ? 0 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 		    reply_q->reply_post_host_index + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 		request_descript_type =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 		    reply_q->reply_post_free[reply_q->reply_post_host_index].
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 		    Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 		completed_cmds++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 		/* Update the reply post host index after continuously
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 		 * processing the threshold number of Reply Descriptors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 		 * So that FW can find enough entries to post the Reply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 		 * Descriptors in the reply descriptor post queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 		if (completed_cmds >= ioc->thresh_hold) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 			if (ioc->combined_reply_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 				writel(reply_q->reply_post_host_index |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 						((msix_index  & 7) <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 						 MPI2_RPHI_MSIX_INDEX_SHIFT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 				    ioc->replyPostRegisterIndex[msix_index/8]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 				writel(reply_q->reply_post_host_index |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 						(msix_index <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 						 MPI2_RPHI_MSIX_INDEX_SHIFT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 						&ioc->chip->ReplyPostHostIndex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 			if (!reply_q->irq_poll_scheduled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 				reply_q->irq_poll_scheduled = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 				irq_poll_sched(&reply_q->irqpoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 			atomic_dec(&reply_q->busy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 			return completed_cmds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 		if (request_descript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 		if (!reply_q->reply_post_host_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 			rpf = reply_q->reply_post_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 			rpf++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 	} while (1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 	if (!completed_cmds) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 		atomic_dec(&reply_q->busy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 		return completed_cmds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 	if (ioc->is_warpdrive) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 		writel(reply_q->reply_post_host_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 		ioc->reply_post_host_index[msix_index]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 		atomic_dec(&reply_q->busy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 		return completed_cmds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 	/* Update Reply Post Host Index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 	 * For those HBA's which support combined reply queue feature
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 	 * 1. Get the correct Supplemental Reply Post Host Index Register.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 	 *    i.e. (msix_index / 8)th entry from Supplemental Reply Post Host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 	 *    Index Register address bank i.e replyPostRegisterIndex[],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 	 * 2. Then update this register with new reply host index value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 	 *    in ReplyPostIndex field and the MSIxIndex field with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 	 *    msix_index value reduced to a value between 0 and 7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 	 *    using a modulo 8 operation. Since each Supplemental Reply Post
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 	 *    Host Index Register supports 8 MSI-X vectors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 	 * For other HBA's just update the Reply Post Host Index register with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 	 * new reply host index value in ReplyPostIndex Field and msix_index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 	 * value in MSIxIndex field.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 	if (ioc->combined_reply_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 		writel(reply_q->reply_post_host_index | ((msix_index  & 7) <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 			MPI2_RPHI_MSIX_INDEX_SHIFT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 			ioc->replyPostRegisterIndex[msix_index/8]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 		writel(reply_q->reply_post_host_index | (msix_index <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 			MPI2_RPHI_MSIX_INDEX_SHIFT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 			&ioc->chip->ReplyPostHostIndex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 	atomic_dec(&reply_q->busy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	return completed_cmds;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698)  * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699)  * @irq: irq number (not used)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700)  * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702)  * Return: IRQ_HANDLED if processed, else IRQ_NONE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) static irqreturn_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) _base_interrupt(int irq, void *bus_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 	struct adapter_reply_queue *reply_q = bus_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 	struct MPT3SAS_ADAPTER *ioc = reply_q->ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 	if (ioc->mask_interrupts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 		return IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 	if (reply_q->irq_poll_scheduled)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 		return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 	return ((_base_process_reply_queue(reply_q) > 0) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 			IRQ_HANDLED : IRQ_NONE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719)  * _base_irqpoll - IRQ poll callback handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720)  * @irqpoll: irq_poll object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721)  * @budget: irq poll weight
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723)  * returns number of reply descriptors processed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) _base_irqpoll(struct irq_poll *irqpoll, int budget)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 	struct adapter_reply_queue *reply_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 	int num_entries = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 	reply_q = container_of(irqpoll, struct adapter_reply_queue,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 			irqpoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 	if (reply_q->irq_line_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 		disable_irq_nosync(reply_q->os_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 		reply_q->irq_line_enable = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 	num_entries = _base_process_reply_queue(reply_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 	if (num_entries < budget) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 		irq_poll_complete(irqpoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 		reply_q->irq_poll_scheduled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 		reply_q->irq_line_enable = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 		enable_irq(reply_q->os_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 		 * Go for one more round of processing the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 		 * reply descriptor post queue incase if HBA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 		 * Firmware has posted some reply descriptors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 		 * while reenabling the IRQ.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 		_base_process_reply_queue(reply_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 	return num_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756)  * _base_init_irqpolls - initliaze IRQ polls
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759)  * returns nothing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) _base_init_irqpolls(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 	struct adapter_reply_queue *reply_q, *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 	if (list_empty(&ioc->reply_queue_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 	list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 		irq_poll_init(&reply_q->irqpoll,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 			ioc->hba_queue_depth/4, _base_irqpoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 		reply_q->irq_poll_scheduled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 		reply_q->irq_line_enable = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 		reply_q->os_irq = pci_irq_vector(ioc->pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 		    reply_q->msix_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780)  * _base_is_controller_msix_enabled - is controller support muli-reply queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783)  * Return: Whether or not MSI/X is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) static inline int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) _base_is_controller_msix_enabled(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 	return (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 	    MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793)  * mpt3sas_base_sync_reply_irqs - flush pending MSIX interrupts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795)  * @poll: poll over reply descriptor pools incase interrupt for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796)  *		timed-out SCSI command got delayed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797)  * Context: non ISR conext
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799)  * Called when a Task Management request has completed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc, u8 poll)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 	struct adapter_reply_queue *reply_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 	/* If MSIX capability is turned off
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 	 * then multi-queues are not enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 	if (!_base_is_controller_msix_enabled(ioc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 		if (ioc->shost_recovery || ioc->remove_host ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 				ioc->pci_error_recovery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 		/* TMs are on msix_index == 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) 		if (reply_q->msix_index == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 		synchronize_irq(pci_irq_vector(ioc->pdev, reply_q->msix_index));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 		if (reply_q->irq_poll_scheduled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 			/* Calling irq_poll_disable will wait for any pending
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 			 * callbacks to have completed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 			irq_poll_disable(&reply_q->irqpoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 			irq_poll_enable(&reply_q->irqpoll);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 			/* check how the scheduled poll has ended,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 			 * clean up only if necessary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 			if (reply_q->irq_poll_scheduled) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 				reply_q->irq_poll_scheduled = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 				reply_q->irq_line_enable = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 				enable_irq(reply_q->os_irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 		if (poll)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 			_base_process_reply_queue(reply_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842)  * mpt3sas_base_release_callback_handler - clear interrupt callback handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843)  * @cb_idx: callback index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) mpt3sas_base_release_callback_handler(u8 cb_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 	mpt_callbacks[cb_idx] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852)  * mpt3sas_base_register_callback_handler - obtain index for the interrupt callback handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853)  * @cb_func: callback function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855)  * Return: Index of @cb_func.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 	u8 cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 	for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 		if (mpt_callbacks[cb_idx] == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 	mpt_callbacks[cb_idx] = cb_func;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 	return cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871)  * mpt3sas_base_initialize_callback_handler - initialize the interrupt callback handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) mpt3sas_base_initialize_callback_handler(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 	u8 cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 	for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 		mpt3sas_base_release_callback_handler(cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884)  * _base_build_zero_len_sge - build zero length sg entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886)  * @paddr: virtual address for SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888)  * Create a zero length scatter gather entry to insure the IOCs hardware has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889)  * something to use if the target device goes brain dead and tries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890)  * to send data even when none is asked for.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) _base_build_zero_len_sge(struct MPT3SAS_ADAPTER *ioc, void *paddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 	u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 	    MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 	    MPI2_SGE_FLAGS_SIMPLE_ELEMENT) <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 	    MPI2_SGE_FLAGS_SHIFT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 	ioc->base_add_sg_single(paddr, flags_length, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903)  * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904)  * @paddr: virtual address for SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905)  * @flags_length: SGE flags and data transfer length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906)  * @dma_addr: Physical address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 	Mpi2SGESimple32_t *sgel = paddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 	flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 	    MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 	sgel->FlagsLength = cpu_to_le32(flags_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) 	sgel->Address = cpu_to_le32(dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921)  * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922)  * @paddr: virtual address for SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923)  * @flags_length: SGE flags and data transfer length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924)  * @dma_addr: Physical address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) 	Mpi2SGESimple64_t *sgel = paddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 	flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) 	    MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 	sgel->FlagsLength = cpu_to_le32(flags_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 	sgel->Address = cpu_to_le64(dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938)  * _base_get_chain_buffer_tracker - obtain chain tracker
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940)  * @scmd: SCSI commands of the IO request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942)  * Return: chain tracker from chain_lookup table using key as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943)  * smid and smid's chain_offset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) static struct chain_tracker *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) _base_get_chain_buffer_tracker(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 			       struct scsi_cmnd *scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 	struct chain_tracker *chain_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 	struct scsiio_tracker *st = scsi_cmd_priv(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 	u16 smid = st->smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 	u8 chain_offset =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 	   atomic_read(&ioc->chain_lookup[smid - 1].chain_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 	if (chain_offset == ioc->chains_needed_per_io)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 	chain_req = &ioc->chain_lookup[smid - 1].chains_per_smid[chain_offset];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 	atomic_inc(&ioc->chain_lookup[smid - 1].chain_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 	return chain_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965)  * _base_build_sg - build generic sg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967)  * @psge: virtual address for SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968)  * @data_out_dma: physical address for WRITES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969)  * @data_out_sz: data xfer size for WRITES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970)  * @data_in_dma: physical address for READS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971)  * @data_in_sz: data xfer size for READS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) _base_build_sg(struct MPT3SAS_ADAPTER *ioc, void *psge,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 	dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 	size_t data_in_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 	u32 sgl_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 	if (!data_out_sz && !data_in_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 		_base_build_zero_len_sge(ioc, psge);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 	if (data_out_sz && data_in_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 		/* WRITE sgel first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 		sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 		    MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 		sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 		ioc->base_add_sg_single(psge, sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 		    data_out_sz, data_out_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) 		/* incr sgel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 		psge += ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 		/* READ sgel last */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 		sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 		    MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 		    MPI2_SGE_FLAGS_END_OF_LIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 		sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 		ioc->base_add_sg_single(psge, sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 		    data_in_sz, data_in_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 	} else if (data_out_sz) /* WRITE */ {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 		sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 		    MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 		    MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 		sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 		ioc->base_add_sg_single(psge, sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 		    data_out_sz, data_out_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) 	} else if (data_in_sz) /* READ */ {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 		sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) 		    MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) 		    MPI2_SGE_FLAGS_END_OF_LIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 		sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) 		ioc->base_add_sg_single(psge, sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) 		    data_in_sz, data_in_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) /* IEEE format sgls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023)  * _base_build_nvme_prp - This function is called for NVMe end devices to build
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024)  * a native SGL (NVMe PRP). The native SGL is built starting in the first PRP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025)  * entry of the NVMe message (PRP1).  If the data buffer is small enough to be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026)  * described entirely using PRP1, then PRP2 is not used.  If needed, PRP2 is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027)  * used to describe a larger data buffer.  If the data buffer is too large to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028)  * describe using the two PRP entriess inside the NVMe message, then PRP1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029)  * describes the first data memory segment, and PRP2 contains a pointer to a PRP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030)  * list located elsewhere in memory to describe the remaining data memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031)  * segments.  The PRP list will be contiguous.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033)  * The native SGL for NVMe devices is a Physical Region Page (PRP).  A PRP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034)  * consists of a list of PRP entries to describe a number of noncontigous
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035)  * physical memory segments as a single memory buffer, just as a SGL does.  Note
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036)  * however, that this function is only used by the IOCTL call, so the memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037)  * given will be guaranteed to be contiguous.  There is no need to translate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038)  * non-contiguous SGL into a PRP in this case.  All PRPs will describe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039)  * contiguous space that is one page size each.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041)  * Each NVMe message contains two PRP entries.  The first (PRP1) either contains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042)  * a PRP list pointer or a PRP element, depending upon the command.  PRP2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043)  * contains the second PRP element if the memory being described fits within 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044)  * PRP entries, or a PRP list pointer if the PRP spans more than two entries.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046)  * A PRP list pointer contains the address of a PRP list, structured as a linear
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047)  * array of PRP entries.  Each PRP entry in this list describes a segment of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048)  * physical memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050)  * Each 64-bit PRP entry comprises an address and an offset field.  The address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051)  * always points at the beginning of a 4KB physical memory page, and the offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052)  * describes where within that 4KB page the memory segment begins.  Only the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053)  * first element in a PRP list may contain a non-zero offest, implying that all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054)  * memory segments following the first begin at the start of a 4KB page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056)  * Each PRP element normally describes 4KB of physical memory, with exceptions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057)  * for the first and last elements in the list.  If the memory being described
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058)  * by the list begins at a non-zero offset within the first 4KB page, then the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059)  * first PRP element will contain a non-zero offset indicating where the region
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060)  * begins within the 4KB page.  The last memory segment may end before the end
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061)  * of the 4KB segment, depending upon the overall size of the memory being
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062)  * described by the PRP list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064)  * Since PRP entries lack any indication of size, the overall data buffer length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065)  * is used to determine where the end of the data memory buffer is located, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066)  * how many PRP entries are required to describe it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069)  * @smid: system request message index for getting asscociated SGL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070)  * @nvme_encap_request: the NVMe request msg frame pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071)  * @data_out_dma: physical address for WRITES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072)  * @data_out_sz: data xfer size for WRITES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073)  * @data_in_dma: physical address for READS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074)  * @data_in_sz: data xfer size for READS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) _base_build_nvme_prp(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 	Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 	dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 	size_t data_in_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 	int		prp_size = NVME_PRP_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 	__le64		*prp_entry, *prp1_entry, *prp2_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 	__le64		*prp_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 	dma_addr_t	prp_entry_dma, prp_page_dma, dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 	u32		offset, entry_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 	u32		page_mask_result, page_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 	size_t		length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 	struct mpt3sas_nvme_cmd *nvme_cmd =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 		(void *)nvme_encap_request->NVMe_Command;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 	 * Not all commands require a data transfer. If no data, just return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) 	 * without constructing any PRP.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) 	if (!data_in_sz && !data_out_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 	prp1_entry = &nvme_cmd->prp1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) 	prp2_entry = &nvme_cmd->prp2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) 	prp_entry = prp1_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) 	 * For the PRP entries, use the specially allocated buffer of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) 	 * contiguous memory.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 	prp_page = (__le64 *)mpt3sas_base_get_pcie_sgl(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) 	prp_page_dma = mpt3sas_base_get_pcie_sgl_dma(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 	 * Check if we are within 1 entry of a page boundary we don't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) 	 * want our first entry to be a PRP List entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 	page_mask = ioc->page_size - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) 	page_mask_result = (uintptr_t)((u8 *)prp_page + prp_size) & page_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 	if (!page_mask_result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) 		/* Bump up to next page boundary. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 		prp_page = (__le64 *)((u8 *)prp_page + prp_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 		prp_page_dma = prp_page_dma + prp_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) 	 * Set PRP physical pointer, which initially points to the current PRP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) 	 * DMA memory page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 	prp_entry_dma = prp_page_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 	/* Get physical address and length of the data buffer. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 	if (data_in_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 		dma_addr = data_in_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 		length = data_in_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 		dma_addr = data_out_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 		length = data_out_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 	/* Loop while the length is not zero. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 	while (length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) 		 * Check if we need to put a list pointer here if we are at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 		 * page boundary - prp_size (8 bytes).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 		page_mask_result = (prp_entry_dma + prp_size) & page_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 		if (!page_mask_result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 			 * This is the last entry in a PRP List, so we need to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 			 * put a PRP list pointer here.  What this does is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 			 *   - bump the current memory pointer to the next
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 			 *     address, which will be the next full page.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 			 *   - set the PRP Entry to point to that page.  This
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 			 *     is now the PRP List pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 			 *   - bump the PRP Entry pointer the start of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 			 *     next page.  Since all of this PRP memory is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 			 *     contiguous, no need to get a new page - it's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 			 *     just the next address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) 			prp_entry_dma++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 			*prp_entry = cpu_to_le64(prp_entry_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) 			prp_entry++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 		/* Need to handle if entry will be part of a page. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 		offset = dma_addr & page_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 		entry_len = ioc->page_size - offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 		if (prp_entry == prp1_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 			 * Must fill in the first PRP pointer (PRP1) before
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 			 * moving on.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 			*prp1_entry = cpu_to_le64(dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 			 * Now point to the second PRP entry within the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 			 * command (PRP2).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 			prp_entry = prp2_entry;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 		} else if (prp_entry == prp2_entry) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 			 * Should the PRP2 entry be a PRP List pointer or just
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 			 * a regular PRP pointer?  If there is more than one
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 			 * more page of data, must use a PRP List pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 			if (length > ioc->page_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 				 * PRP2 will contain a PRP List pointer because
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 				 * more PRP's are needed with this command. The
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 				 * list will start at the beginning of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 				 * contiguous buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 				*prp2_entry = cpu_to_le64(prp_entry_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 				 * The next PRP Entry will be the start of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 				 * first PRP List.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 				prp_entry = prp_page;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 				 * After this, the PRP Entries are complete.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) 				 * This command uses 2 PRP's and no PRP list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 				*prp2_entry = cpu_to_le64(dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) 			 * Put entry in list and bump the addresses.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) 			 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) 			 * After PRP1 and PRP2 are filled in, this will fill in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 			 * all remaining PRP entries in a PRP List, one per
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) 			 * each time through the loop.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) 			*prp_entry = cpu_to_le64(dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 			prp_entry++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 			prp_entry_dma++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 		 * Bump the phys address of the command's data buffer by the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 		 * entry_len.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 		dma_addr += entry_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 		/* Decrement length accounting for last partial page. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 		if (entry_len > length)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 			length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 			length -= entry_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231)  * base_make_prp_nvme -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232)  * Prepare PRPs(Physical Region Page)- SGLs specific to NVMe drives only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234)  * @ioc:		per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235)  * @scmd:		SCSI command from the mid-layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236)  * @mpi_request:	mpi request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237)  * @smid:		msg Index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238)  * @sge_count:		scatter gather element count.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240)  * Return:		true: PRPs are built
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241)  *			false: IEEE SGLs needs to be built
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) base_make_prp_nvme(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 		struct scsi_cmnd *scmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 		Mpi25SCSIIORequest_t *mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 		u16 smid, int sge_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 	int sge_len, num_prp_in_chain = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 	Mpi25IeeeSgeChain64_t *main_chain_element, *ptr_first_sgl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 	__le64 *curr_buff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 	dma_addr_t msg_dma, sge_addr, offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 	u32 page_mask, page_mask_result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 	struct scatterlist *sg_scmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 	u32 first_prp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) 	int data_len = scsi_bufflen(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 	u32 nvme_pg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) 	nvme_pg_size = max_t(u32, ioc->page_size, NVME_PRP_PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) 	 * Nvme has a very convoluted prp format.  One prp is required
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 	 * for each page or partial page. Driver need to split up OS sg_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 	 * entries if it is longer than one page or cross a page
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 	 * boundary.  Driver also have to insert a PRP list pointer entry as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) 	 * the last entry in each physical page of the PRP list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) 	 * NOTE: The first PRP "entry" is actually placed in the first
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 	 * SGL entry in the main message as IEEE 64 format.  The 2nd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) 	 * entry in the main message is the chain element, and the rest
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 	 * of the PRP entries are built in the contiguous pcie buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 	page_mask = nvme_pg_size - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 	 * Native SGL is needed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 	 * Put a chain element in main message frame that points to the first
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 	 * chain buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 	 * NOTE:  The ChainOffset field must be 0 when using a chain pointer to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 	 *        a native SGL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 	/* Set main message chain element pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 	main_chain_element = (pMpi25IeeeSgeChain64_t)&mpi_request->SGL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 	 * For NVMe the chain element needs to be the 2nd SG entry in the main
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 	 * message.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) 	main_chain_element = (Mpi25IeeeSgeChain64_t *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) 		((u8 *)main_chain_element + sizeof(MPI25_IEEE_SGE_CHAIN64));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) 	 * For the PRP entries, use the specially allocated buffer of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) 	 * contiguous memory.  Normal chain buffers can't be used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) 	 * because each chain buffer would need to be the size of an OS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) 	 * page (4k).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) 	curr_buff = mpt3sas_base_get_pcie_sgl(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) 	msg_dma = mpt3sas_base_get_pcie_sgl_dma(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) 	main_chain_element->Address = cpu_to_le64(msg_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) 	main_chain_element->NextChainOffset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) 	main_chain_element->Flags = MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) 			MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) 			MPI26_IEEE_SGE_FLAGS_NSF_NVME_PRP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) 	/* Build first prp, sge need not to be page aligned*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 	ptr_first_sgl = (pMpi25IeeeSgeChain64_t)&mpi_request->SGL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) 	sg_scmd = scsi_sglist(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) 	sge_addr = sg_dma_address(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) 	sge_len = sg_dma_len(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) 	offset = sge_addr & page_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 	first_prp_len = nvme_pg_size - offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 	ptr_first_sgl->Address = cpu_to_le64(sge_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) 	ptr_first_sgl->Length = cpu_to_le32(first_prp_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 	data_len -= first_prp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 	if (sge_len > first_prp_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 		sge_addr += first_prp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 		sge_len -= first_prp_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 	} else if (data_len && (sge_len == first_prp_len)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 		sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 		sge_addr = sg_dma_address(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 		sge_len = sg_dma_len(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 	for (;;) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 		offset = sge_addr & page_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 		/* Put PRP pointer due to page boundary*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 		page_mask_result = (uintptr_t)(curr_buff + 1) & page_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 		if (unlikely(!page_mask_result)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 			scmd_printk(KERN_NOTICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 				scmd, "page boundary curr_buff: 0x%p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 				curr_buff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 			msg_dma += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 			*curr_buff = cpu_to_le64(msg_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 			curr_buff++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 			num_prp_in_chain++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 		*curr_buff = cpu_to_le64(sge_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 		curr_buff++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 		msg_dma += 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 		num_prp_in_chain++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 		sge_addr += nvme_pg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 		sge_len -= nvme_pg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 		data_len -= nvme_pg_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 		if (data_len <= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 		if (sge_len > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 		sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) 		sge_addr = sg_dma_address(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) 		sge_len = sg_dma_len(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 	main_chain_element->Length =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) 		cpu_to_le32(num_prp_in_chain * sizeof(u64));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) static bool
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) base_is_prp_possible(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) 	struct _pcie_device *pcie_device, struct scsi_cmnd *scmd, int sge_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) 	u32 data_length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 	bool build_prp = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) 	data_length = scsi_bufflen(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 	if (pcie_device &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) 	    (mpt3sas_scsih_is_pcie_scsi_device(pcie_device->device_info))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) 		build_prp = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) 		return build_prp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 	/* If Datalenth is <= 16K and number of SGE’s entries are <= 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) 	 * we built IEEE SGL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 	if ((data_length <= NVME_PRP_PAGE_SIZE*4) && (sge_count <= 2))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 		build_prp = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 	return build_prp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394)  * _base_check_pcie_native_sgl - This function is called for PCIe end devices to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395)  * determine if the driver needs to build a native SGL.  If so, that native
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396)  * SGL is built in the special contiguous buffers allocated especially for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397)  * PCIe SGL creation.  If the driver will not build a native SGL, return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398)  * TRUE and a normal IEEE SGL will be built.  Currently this routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399)  * supports NVMe.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401)  * @mpi_request: mf request pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403)  * @scmd: scsi command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404)  * @pcie_device: points to the PCIe device's info
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406)  * Return: 0 if native SGL was built, 1 if no SGL was built
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) _base_check_pcie_native_sgl(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) 	Mpi25SCSIIORequest_t *mpi_request, u16 smid, struct scsi_cmnd *scmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 	struct _pcie_device *pcie_device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) 	int sges_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) 	/* Get the SG list pointer and info. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) 	sges_left = scsi_dma_map(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) 	if (sges_left < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) 		sdev_printk(KERN_ERR, scmd->device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) 			"scsi_dma_map failed: request for %d bytes!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) 			scsi_bufflen(scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) 	/* Check if we need to build a native SG list. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 	if (base_is_prp_possible(ioc, pcie_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 				scmd, sges_left) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 		/* We built a native SG list, just return. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) 	 * Build native NVMe PRP.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) 	base_make_prp_nvme(ioc, scmd, mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) 			smid, sges_left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 	scsi_dma_unmap(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444)  * _base_add_sg_single_ieee - add sg element for IEEE format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445)  * @paddr: virtual address for SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446)  * @flags: SGE flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447)  * @chain_offset: number of 128 byte elements from start of segment
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448)  * @length: data transfer length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449)  * @dma_addr: Physical address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) _base_add_sg_single_ieee(void *paddr, u8 flags, u8 chain_offset, u32 length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) 	dma_addr_t dma_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 	Mpi25IeeeSgeChain64_t *sgel = paddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) 	sgel->Flags = flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 	sgel->NextChainOffset = chain_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) 	sgel->Length = cpu_to_le32(length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) 	sgel->Address = cpu_to_le64(dma_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464)  * _base_build_zero_len_sge_ieee - build zero length sg entry for IEEE format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466)  * @paddr: virtual address for SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468)  * Create a zero length scatter gather entry to insure the IOCs hardware has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469)  * something to use if the target device goes brain dead and tries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470)  * to send data even when none is asked for.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) 	u8 sgl_flags = (MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) 		MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) 		MPI25_IEEE_SGE_FLAGS_END_OF_LIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) 	_base_add_sg_single_ieee(paddr, sgl_flags, 0, 0, -1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483)  * _base_build_sg_scmd - main sg creation routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484)  *		pcie_device is unused here!
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486)  * @scmd: scsi command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488)  * @unused: unused pcie_device pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489)  * Context: none.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491)  * The main routine that builds scatter gather table from a given
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492)  * scsi request sent via the .queuecommand main handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494)  * Return: 0 success, anything else error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) 	struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *unused)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) 	Mpi2SCSIIORequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) 	dma_addr_t chain_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 	struct scatterlist *sg_scmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) 	void *sg_local, *chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 	u32 chain_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 	u32 chain_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 	u32 chain_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 	int sges_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) 	u32 sges_in_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 	u32 sgl_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) 	u32 sgl_flags_last_element;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) 	u32 sgl_flags_end_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) 	struct chain_tracker *chain_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) 	/* init scatter gather flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) 	sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) 	if (scmd->sc_data_direction == DMA_TO_DEVICE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) 		sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) 	sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) 	    << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) 	sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) 	    MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) 	    << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) 	sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) 	sg_scmd = scsi_sglist(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) 	sges_left = scsi_dma_map(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) 	if (sges_left < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) 		sdev_printk(KERN_ERR, scmd->device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) 		 "scsi_dma_map failed: request for %d bytes!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) 		 scsi_bufflen(scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) 	sg_local = &mpi_request->SGL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) 	sges_in_segment = ioc->max_sges_in_main_message;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) 	if (sges_left <= sges_in_segment)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) 		goto fill_in_last_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) 	mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) 	    (sges_in_segment * ioc->sge_size))/4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) 	/* fill in main message segment when there is a chain following */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) 	while (sges_in_segment) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) 		if (sges_in_segment == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) 			ioc->base_add_sg_single(sg_local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) 			    sgl_flags_last_element | sg_dma_len(sg_scmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) 			    sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) 			ioc->base_add_sg_single(sg_local, sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) 			    sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) 		sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) 		sg_local += ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) 		sges_left--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) 		sges_in_segment--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) 	/* initializing the chain flags and pointers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) 	chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) 	chain_req = _base_get_chain_buffer_tracker(ioc, scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) 	if (!chain_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) 	chain = chain_req->chain_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) 	chain_dma = chain_req->chain_buffer_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) 		sges_in_segment = (sges_left <=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) 		    ioc->max_sges_in_chain_message) ? sges_left :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) 		    ioc->max_sges_in_chain_message;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) 		chain_offset = (sges_left == sges_in_segment) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) 		    0 : (sges_in_segment * ioc->sge_size)/4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) 		chain_length = sges_in_segment * ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) 		if (chain_offset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) 			chain_offset = chain_offset <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) 			    MPI2_SGE_CHAIN_OFFSET_SHIFT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) 			chain_length += ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) 		ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) 		    chain_length, chain_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) 		sg_local = chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) 		if (!chain_offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) 			goto fill_in_last_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) 		/* fill in chain segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) 		while (sges_in_segment) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) 			if (sges_in_segment == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) 				ioc->base_add_sg_single(sg_local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) 				    sgl_flags_last_element |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) 				    sg_dma_len(sg_scmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) 				    sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) 				ioc->base_add_sg_single(sg_local, sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) 				    sg_dma_len(sg_scmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) 				    sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) 			sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) 			sg_local += ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) 			sges_left--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) 			sges_in_segment--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) 		chain_req = _base_get_chain_buffer_tracker(ioc, scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) 		if (!chain_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) 			return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) 		chain = chain_req->chain_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) 		chain_dma = chain_req->chain_buffer_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) 	} while (1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609)  fill_in_last_segment:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) 	/* fill the last segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) 	while (sges_left) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) 		if (sges_left == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) 			ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) 			    sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) 			ioc->base_add_sg_single(sg_local, sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) 			    sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) 		sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) 		sg_local += ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) 		sges_left--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628)  * _base_build_sg_scmd_ieee - main sg creation routine for IEEE format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630)  * @scmd: scsi command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632)  * @pcie_device: Pointer to pcie_device. If set, the pcie native sgl will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633)  * constructed on need.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634)  * Context: none.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636)  * The main routine that builds scatter gather table from a given
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637)  * scsi request sent via the .queuecommand main handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639)  * Return: 0 success, anything else error
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) 	struct scsi_cmnd *scmd, u16 smid, struct _pcie_device *pcie_device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) 	Mpi25SCSIIORequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) 	dma_addr_t chain_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) 	struct scatterlist *sg_scmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) 	void *sg_local, *chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) 	u32 chain_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) 	u32 chain_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) 	int sges_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) 	u32 sges_in_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) 	u8 simple_sgl_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) 	u8 simple_sgl_flags_last;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) 	u8 chain_sgl_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656) 	struct chain_tracker *chain_req;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660) 	/* init scatter gather flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) 	simple_sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) 	    MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) 	simple_sgl_flags_last = simple_sgl_flags |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) 	    MPI25_IEEE_SGE_FLAGS_END_OF_LIST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) 	chain_sgl_flags = MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) 	    MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) 	/* Check if we need to build a native SG list. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) 	if ((pcie_device) && (_base_check_pcie_native_sgl(ioc, mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) 			smid, scmd, pcie_device) == 0)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) 		/* We built a native SG list, just return. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) 	sg_scmd = scsi_sglist(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) 	sges_left = scsi_dma_map(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) 	if (sges_left < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678) 		sdev_printk(KERN_ERR, scmd->device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) 			"scsi_dma_map failed: request for %d bytes!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) 			scsi_bufflen(scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) 	sg_local = &mpi_request->SGL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) 	sges_in_segment = (ioc->request_sz -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) 		   offsetof(Mpi25SCSIIORequest_t, SGL))/ioc->sge_size_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) 	if (sges_left <= sges_in_segment)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) 		goto fill_in_last_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) 	mpi_request->ChainOffset = (sges_in_segment - 1 /* chain element */) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) 	    (offsetof(Mpi25SCSIIORequest_t, SGL)/ioc->sge_size_ieee);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) 	/* fill in main message segment when there is a chain following */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) 	while (sges_in_segment > 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) 		_base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) 		    sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697) 		sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) 		sg_local += ioc->sge_size_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) 		sges_left--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700) 		sges_in_segment--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) 	/* initializing the pointers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) 	chain_req = _base_get_chain_buffer_tracker(ioc, scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) 	if (!chain_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) 	chain = chain_req->chain_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) 	chain_dma = chain_req->chain_buffer_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) 		sges_in_segment = (sges_left <=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) 		    ioc->max_sges_in_chain_message) ? sges_left :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) 		    ioc->max_sges_in_chain_message;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) 		chain_offset = (sges_left == sges_in_segment) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714) 		    0 : sges_in_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715) 		chain_length = sges_in_segment * ioc->sge_size_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) 		if (chain_offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) 			chain_length += ioc->sge_size_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) 		_base_add_sg_single_ieee(sg_local, chain_sgl_flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719) 		    chain_offset, chain_length, chain_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) 		sg_local = chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) 		if (!chain_offset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) 			goto fill_in_last_segment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) 		/* fill in chain segments */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) 		while (sges_in_segment) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) 			_base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) 			    sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) 			sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) 			sg_local += ioc->sge_size_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) 			sges_left--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) 			sges_in_segment--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) 		chain_req = _base_get_chain_buffer_tracker(ioc, scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) 		if (!chain_req)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) 			return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738) 		chain = chain_req->chain_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) 		chain_dma = chain_req->chain_buffer_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) 	} while (1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743)  fill_in_last_segment:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) 	/* fill the last segment */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) 	while (sges_left > 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) 		if (sges_left == 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) 			_base_add_sg_single_ieee(sg_local,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) 			    simple_sgl_flags_last, 0, sg_dma_len(sg_scmd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) 			    sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) 			_base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) 			    sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) 		sg_scmd = sg_next(sg_scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) 		sg_local += ioc->sge_size_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) 		sges_left--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763)  * _base_build_sg_ieee - build generic sg for IEEE format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765)  * @psge: virtual address for SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766)  * @data_out_dma: physical address for WRITES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767)  * @data_out_sz: data xfer size for WRITES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768)  * @data_in_dma: physical address for READS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769)  * @data_in_sz: data xfer size for READS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) _base_build_sg_ieee(struct MPT3SAS_ADAPTER *ioc, void *psge,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) 	dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) 	size_t data_in_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) 	u8 sgl_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) 	if (!data_out_sz && !data_in_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) 		_base_build_zero_len_sge_ieee(ioc, psge);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) 	if (data_out_sz && data_in_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) 		/* WRITE sgel first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785) 		sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) 		    MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) 		_base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) 		    data_out_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) 		/* incr sgel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) 		psge += ioc->sge_size_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) 		/* READ sgel last */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) 		sgl_flags |= MPI25_IEEE_SGE_FLAGS_END_OF_LIST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) 		_base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) 		    data_in_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) 	} else if (data_out_sz) /* WRITE */ {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) 		sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) 		    MPI25_IEEE_SGE_FLAGS_END_OF_LIST |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) 		    MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) 		_base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) 		    data_out_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) 	} else if (data_in_sz) /* READ */ {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) 		sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) 		    MPI25_IEEE_SGE_FLAGS_END_OF_LIST |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) 		    MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807) 		_base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) 		    data_in_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815)  * _base_config_dma_addressing - set dma addressing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817)  * @pdev: PCI device struct
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822) _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) 	struct sysinfo s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825) 	int dma_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) 	if (ioc->is_mcpu_endpoint ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) 	    sizeof(dma_addr_t) == 4 || ioc->use_32bit_dma ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) 	    dma_get_required_mask(&pdev->dev) <= 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) 		dma_mask = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) 	/* Set 63 bit DMA mask for all SAS3 and SAS35 controllers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) 	else if (ioc->hba_mpi_version_belonged > MPI2_VERSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) 		dma_mask = 63;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) 		dma_mask = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) 	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(dma_mask)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) 	    dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(dma_mask)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) 	if (dma_mask > 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) 		ioc->base_add_sg_single = &_base_add_sg_single_64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) 		ioc->sge_size = sizeof(Mpi2SGESimple64_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) 		ioc->base_add_sg_single = &_base_add_sg_single_32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) 		ioc->sge_size = sizeof(Mpi2SGESimple32_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) 	si_meminfo(&s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) 	ioc_info(ioc, "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) 		dma_mask, convert_to_kb(s.totalram));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857)  * _base_check_enable_msix - checks MSIX capabable.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860)  * Check to see if card is capable of MSIX, and set number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861)  * of available msix vectors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) 	int base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) 	u16 message_control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) 	/* Check whether controller SAS2008 B0 controller,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) 	 * if it is SAS2008 B0 controller use IO-APIC instead of MSIX
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) 	if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) 	    ioc->pdev->revision == SAS2_PCI_DEVICE_B0_REVISION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) 	base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) 	if (!base) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) 		dfailprintk(ioc, ioc_info(ioc, "msix not supported\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) 	/* get msix vector count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) 	/* NUMA_IO not supported for older controllers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) 	if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) 	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) 	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) 	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) 	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) 	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) 	    ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) 		ioc->msix_vector_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) 		pci_read_config_word(ioc->pdev, base + 2, &message_control);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) 		ioc->msix_vector_count = (message_control & 0x3FF) + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) 	dinitprintk(ioc, ioc_info(ioc, "msix is supported, vector_count(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) 				  ioc->msix_vector_count));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903)  * _base_free_irq - free irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906)  * Freeing respective reply_queue from the list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) _base_free_irq(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) 	struct adapter_reply_queue *reply_q, *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) 	if (list_empty(&ioc->reply_queue_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) 	list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917) 		list_del(&reply_q->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918) 		if (ioc->smp_affinity_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) 			irq_set_affinity_hint(pci_irq_vector(ioc->pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920) 			    reply_q->msix_index), NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921) 		free_irq(pci_irq_vector(ioc->pdev, reply_q->msix_index),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) 			 reply_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923) 		kfree(reply_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928)  * _base_request_irq - request irq
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930)  * @index: msix index into vector table
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932)  * Inserting respective reply_queue into the list.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) _base_request_irq(struct MPT3SAS_ADAPTER *ioc, u8 index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) 	struct pci_dev *pdev = ioc->pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) 	struct adapter_reply_queue *reply_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939) 	int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) 	reply_q =  kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) 	if (!reply_q) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) 		ioc_err(ioc, "unable to allocate memory %zu!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) 			sizeof(struct adapter_reply_queue));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947) 	reply_q->ioc = ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) 	reply_q->msix_index = index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) 	atomic_set(&reply_q->busy, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) 	if (ioc->msix_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) 		snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) 		    ioc->driver_name, ioc->id, index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) 		snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) 		    ioc->driver_name, ioc->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) 	r = request_irq(pci_irq_vector(pdev, index), _base_interrupt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) 			IRQF_SHARED, reply_q->name, reply_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) 	if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) 		pr_err("%s: unable to allocate interrupt %d!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) 		       reply_q->name, pci_irq_vector(pdev, index));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) 		kfree(reply_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) 	INIT_LIST_HEAD(&reply_q->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967) 	list_add_tail(&reply_q->list, &ioc->reply_queue_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972)  * _base_assign_reply_queues - assigning msix index for each cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975)  * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977)  * It would nice if we could call irq_set_affinity, however it is not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978)  * an exported symbol
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981) _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) 	unsigned int cpu, nr_cpus, nr_msix, index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984) 	struct adapter_reply_queue *reply_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985) 	int local_numa_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987) 	if (!_base_is_controller_msix_enabled(ioc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990) 	if (ioc->msix_load_balance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) 	memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) 	nr_cpus = num_online_cpus();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) 	nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) 					       ioc->facts.MaxMSIxVectors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) 	if (!nr_msix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) 	if (ioc->smp_affinity_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) 		 * set irq affinity to local numa node for those irqs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) 		 * corresponding to high iops queues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) 		if (ioc->high_iops_queues) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) 			local_numa_node = dev_to_node(&ioc->pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) 			for (index = 0; index < ioc->high_iops_queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) 			    index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) 				irq_set_affinity_hint(pci_irq_vector(ioc->pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) 				    index), cpumask_of_node(local_numa_node));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) 		list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) 			const cpumask_t *mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) 			if (reply_q->msix_index < ioc->high_iops_queues)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) 			mask = pci_irq_get_affinity(ioc->pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) 			    reply_q->msix_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) 			if (!mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) 				ioc_warn(ioc, "no affinity for msi %x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) 					 reply_q->msix_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) 				goto fall_back;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) 			for_each_cpu_and(cpu, mask, cpu_online_mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) 				if (cpu >= ioc->cpu_msix_table_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) 				ioc->cpu_msix_table[cpu] = reply_q->msix_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) fall_back:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040) 	cpu = cpumask_first(cpu_online_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) 	nr_msix -= ioc->high_iops_queues;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) 	index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) 	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045) 		unsigned int i, group = nr_cpus / nr_msix;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) 		if (reply_q->msix_index < ioc->high_iops_queues)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) 		if (cpu >= nr_cpus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) 		if (index < nr_cpus % nr_msix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) 			group++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) 		for (i = 0 ; i < group ; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) 			ioc->cpu_msix_table[cpu] = reply_q->msix_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) 			cpu = cpumask_next(cpu, cpu_online_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) 		index++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065)  * _base_check_and_enable_high_iops_queues - enable high iops mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067)  * @hba_msix_vector_count: msix vectors supported by HBA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069)  * Enable high iops queues only if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070)  *  - HBA is a SEA/AERO controller and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071)  *  - MSI-Xs vector supported by the HBA is 128 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072)  *  - total CPU count in the system >=16 and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073)  *  - loaded driver with default max_msix_vectors module parameter and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074)  *  - system booted in non kdump mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076)  * returns nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) _base_check_and_enable_high_iops_queues(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) 		int hba_msix_vector_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) 	u16 lnksta, speed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) 	if (perf_mode == MPT_PERF_MODE_IOPS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) 	    perf_mode == MPT_PERF_MODE_LATENCY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) 		ioc->high_iops_queues = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) 	if (perf_mode == MPT_PERF_MODE_DEFAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) 		pcie_capability_read_word(ioc->pdev, PCI_EXP_LNKSTA, &lnksta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) 		speed = lnksta & PCI_EXP_LNKSTA_CLS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) 		if (speed < 0x4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) 			ioc->high_iops_queues = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) 	if (!reset_devices && ioc->is_aero_ioc &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102) 	    hba_msix_vector_count == MPT3SAS_GEN35_MAX_MSIX_QUEUES &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) 	    num_online_cpus() >= MPT3SAS_HIGH_IOPS_REPLY_QUEUES &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) 	    max_msix_vectors == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) 		ioc->high_iops_queues = MPT3SAS_HIGH_IOPS_REPLY_QUEUES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) 		ioc->high_iops_queues = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111)  * _base_disable_msix - disables msix
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) _base_disable_msix(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) 	if (!ioc->msix_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) 	pci_free_irq_vectors(ioc->pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) 	ioc->msix_enable = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125)  * _base_alloc_irq_vectors - allocate msix vectors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) _base_alloc_irq_vectors(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132) 	int i, irq_flags = PCI_IRQ_MSIX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) 	struct irq_affinity desc = { .pre_vectors = ioc->high_iops_queues };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) 	struct irq_affinity *descp = &desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) 	if (ioc->smp_affinity_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) 		irq_flags |= PCI_IRQ_AFFINITY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) 		descp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) 	ioc_info(ioc, " %d %d\n", ioc->high_iops_queues,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142) 	    ioc->reply_queue_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) 	i = pci_alloc_irq_vectors_affinity(ioc->pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) 	    ioc->high_iops_queues,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) 	    ioc->reply_queue_count, irq_flags, descp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) 	return i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152)  * _base_enable_msix - enables msix, failback to io_apic
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157) _base_enable_msix(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) 	int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) 	int i, local_max_msix_vectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) 	u8 try_msix = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163) 	ioc->msix_load_balance = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) 	if (msix_disable == -1 || msix_disable == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) 		try_msix = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) 	if (!try_msix)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) 		goto try_ioapic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) 	if (_base_check_enable_msix(ioc) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) 		goto try_ioapic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) 	ioc_info(ioc, "MSI-X vectors supported: %d\n", ioc->msix_vector_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) 	pr_info("\t no of cores: %d, max_msix_vectors: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) 		ioc->cpu_count, max_msix_vectors);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) 	if (ioc->is_aero_ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) 		_base_check_and_enable_high_iops_queues(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) 			ioc->msix_vector_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) 	ioc->reply_queue_count =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) 		min_t(int, ioc->cpu_count + ioc->high_iops_queues,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) 		ioc->msix_vector_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) 	if (!ioc->rdpq_array_enable && max_msix_vectors == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) 		local_max_msix_vectors = (reset_devices) ? 1 : 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) 		local_max_msix_vectors = max_msix_vectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) 	if (local_max_msix_vectors > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) 		ioc->reply_queue_count = min_t(int, local_max_msix_vectors,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) 			ioc->reply_queue_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) 	else if (local_max_msix_vectors == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) 		goto try_ioapic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) 	 * Enable msix_load_balance only if combined reply queue mode is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) 	 * disabled on SAS3 & above generation HBA devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) 	if (!ioc->combined_reply_queue &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) 	    ioc->hba_mpi_version_belonged != MPI2_VERSION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) 		ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) 		    "combined ReplyQueue is off, Enabling msix load balance\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) 		ioc->msix_load_balance = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) 	 * smp affinity setting is not need when msix load balance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) 	 * is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) 	if (ioc->msix_load_balance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) 		ioc->smp_affinity_enable = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) 	r = _base_alloc_irq_vectors(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) 	if (r < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215) 		ioc_info(ioc, "pci_alloc_irq_vectors failed (r=%d) !!!\n", r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) 		goto try_ioapic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) 	ioc->msix_enable = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) 	ioc->reply_queue_count = r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) 	for (i = 0; i < ioc->reply_queue_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) 		r = _base_request_irq(ioc, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) 		if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) 			_base_free_irq(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225) 			_base_disable_msix(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) 			goto try_ioapic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230) 	ioc_info(ioc, "High IOPs queues : %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) 			ioc->high_iops_queues ? "enabled" : "disabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) /* failback to io_apic interrupt routing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236)  try_ioapic:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) 	ioc->high_iops_queues = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) 	ioc_info(ioc, "High IOPs queues : disabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) 	ioc->reply_queue_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) 	r = pci_alloc_irq_vectors(ioc->pdev, 1, 1, PCI_IRQ_LEGACY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241) 	if (r < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) 		dfailprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) 			    ioc_info(ioc, "pci_alloc_irq_vector(legacy) failed (r=%d) !!!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) 				     r));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246) 		r = _base_request_irq(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252)  * mpt3sas_base_unmap_resources - free controller resources
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256) mpt3sas_base_unmap_resources(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258) 	struct pci_dev *pdev = ioc->pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260) 	dexitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262) 	_base_free_irq(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263) 	_base_disable_msix(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265) 	kfree(ioc->replyPostRegisterIndex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) 	ioc->replyPostRegisterIndex = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) 	if (ioc->chip_phys) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) 		iounmap(ioc->chip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) 		ioc->chip_phys = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) 	if (pci_is_enabled(pdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) 		pci_release_selected_regions(ioc->pdev, ioc->bars);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) 		pci_disable_pcie_error_reporting(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277) 		pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3280) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3281) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) _base_diag_reset(struct MPT3SAS_ADAPTER *ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285)  * _base_check_for_fault_and_issue_reset - check if IOC is in fault state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286)  *     and if it is in fault state then issue diag reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289)  * Returns: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) _base_check_for_fault_and_issue_reset(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) 	int rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297) 	dinitprintk(ioc, pr_info("%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) 	if (ioc->pci_error_recovery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) 	ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301) 	dhsprintk(ioc, pr_info("%s: ioc_state(0x%08x)\n", __func__, ioc_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) 		mpt3sas_print_fault_code(ioc, ioc_state &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) 		    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) 		rc = _base_diag_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307) 	} else if ((ioc_state & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) 	    MPI2_IOC_STATE_COREDUMP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) 		mpt3sas_print_coredump_info(ioc, ioc_state &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) 		     MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) 		mpt3sas_base_wait_for_coredump_completion(ioc, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312) 		rc = _base_diag_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3313) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3315) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3316) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3318) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319)  * mpt3sas_base_map_resources - map in controller resources (io/irq/memap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325) mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327) 	struct pci_dev *pdev = ioc->pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) 	u32 memap_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) 	u32 pio_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) 	int i, r = 0, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) 	u64 pio_chip = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) 	phys_addr_t chip_phys = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) 	struct adapter_reply_queue *reply_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337) 	ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) 	if (pci_enable_device_mem(pdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339) 		ioc_warn(ioc, "pci_enable_device_mem: failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) 		ioc->bars = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3343) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3345) 	if (pci_request_selected_regions(pdev, ioc->bars,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) 	    ioc->driver_name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) 		ioc_warn(ioc, "pci_request_selected_regions: failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348) 		ioc->bars = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) 		r = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350) 		goto out_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353) /* AER (Advanced Error Reporting) hooks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354) 	pci_enable_pcie_error_reporting(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) 	pci_set_master(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) 	if (_base_config_dma_addressing(ioc, pdev) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) 		ioc_warn(ioc, "no suitable DMA mask for %s\n", pci_name(pdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) 		r = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) 		goto out_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) 	for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) 	     (!memap_sz || !pio_sz); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) 		if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368) 			if (pio_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370) 			pio_chip = (u64)pci_resource_start(pdev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) 			pio_sz = pci_resource_len(pdev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372) 		} else if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3373) 			if (memap_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3374) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3375) 			ioc->chip_phys = pci_resource_start(pdev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3376) 			chip_phys = ioc->chip_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3377) 			memap_sz = pci_resource_len(pdev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3378) 			ioc->chip = ioremap(ioc->chip_phys, memap_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3379) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3380) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3381) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3382) 	if (ioc->chip == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3383) 		ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3384) 		    "unable to map adapter memory! or resource not found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3385) 		r = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3386) 		goto out_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3387) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3389) 	mpt3sas_base_mask_interrupts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3391) 	r = _base_get_ioc_facts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3392) 	if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3393) 		rc = _base_check_for_fault_and_issue_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3394) 		if (rc || (_base_get_ioc_facts(ioc)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3395) 			goto out_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3396) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3398) 	if (!ioc->rdpq_array_enable_assigned) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3399) 		ioc->rdpq_array_enable = ioc->rdpq_array_capable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3400) 		ioc->rdpq_array_enable_assigned = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3401) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3403) 	r = _base_enable_msix(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3404) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3405) 		goto out_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3407) 	if (!ioc->is_driver_loading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3408) 		_base_init_irqpolls(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3409) 	/* Use the Combined reply queue feature only for SAS3 C0 & higher
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3410) 	 * revision HBAs and also only when reply queue count is greater than 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3411) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3412) 	if (ioc->combined_reply_queue) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3413) 		/* Determine the Supplemental Reply Post Host Index Registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3414) 		 * Addresse. Supplemental Reply Post Host Index Registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3415) 		 * starts at offset MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3416) 		 * each register is at offset bytes of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3417) 		 * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET from previous one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3418) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3419) 		ioc->replyPostRegisterIndex = kcalloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3420) 		     ioc->combined_reply_index_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3421) 		     sizeof(resource_size_t *), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3422) 		if (!ioc->replyPostRegisterIndex) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3423) 			ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3424) 			    "allocation for replyPostRegisterIndex failed!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3425) 			r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3426) 			goto out_fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3427) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3429) 		for (i = 0; i < ioc->combined_reply_index_count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3430) 			ioc->replyPostRegisterIndex[i] = (resource_size_t *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3431) 			     ((u8 __force *)&ioc->chip->Doorbell +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3432) 			     MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3433) 			     (i * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3434) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3435) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3437) 	if (ioc->is_warpdrive) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3438) 		ioc->reply_post_host_index[0] = (resource_size_t __iomem *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3439) 		    &ioc->chip->ReplyPostHostIndex;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3441) 		for (i = 1; i < ioc->cpu_msix_table_sz; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3442) 			ioc->reply_post_host_index[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3443) 			(resource_size_t __iomem *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3444) 			((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3445) 			* 4)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3446) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3447) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3448) 	list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3449) 		pr_info("%s: %s enabled: IRQ %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3450) 			reply_q->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3451) 			ioc->msix_enable ? "PCI-MSI-X" : "IO-APIC",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3452) 			pci_irq_vector(ioc->pdev, reply_q->msix_index));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3454) 	ioc_info(ioc, "iomem(%pap), mapped(0x%p), size(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3455) 		 &chip_phys, ioc->chip, memap_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3456) 	ioc_info(ioc, "ioport(0x%016llx), size(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3457) 		 (unsigned long long)pio_chip, pio_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3459) 	/* Save PCI configuration state for recovery from PCI AER/EEH errors */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3460) 	pci_save_state(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3461) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3463)  out_fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3464) 	mpt3sas_base_unmap_resources(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3465) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3466) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3468) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3469)  * mpt3sas_base_get_msg_frame - obtain request mf pointer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3470)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3471)  * @smid: system request message index(smid zero is invalid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3472)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3473)  * Return: virt pointer to message frame.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3474)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3475) void *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3476) mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3477) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3478) 	return (void *)(ioc->request + (smid * ioc->request_sz));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3480) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3481) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3482)  * mpt3sas_base_get_sense_buffer - obtain a sense buffer virt addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3483)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3484)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3485)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3486)  * Return: virt pointer to sense buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3487)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3488) void *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3489) mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3490) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3491) 	return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3492) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3493) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3494) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3495)  * mpt3sas_base_get_sense_buffer_dma - obtain a sense buffer dma addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3496)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3497)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3498)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3499)  * Return: phys pointer to the low 32bit address of the sense buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3500)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3501) __le32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3502) mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3503) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3504) 	return cpu_to_le32(ioc->sense_dma + ((smid - 1) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3505) 	    SCSI_SENSE_BUFFERSIZE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3506) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3508) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3509)  * mpt3sas_base_get_pcie_sgl - obtain a PCIe SGL virt addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3510)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3511)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3512)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3513)  * Return: virt pointer to a PCIe SGL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3514)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3515) void *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3516) mpt3sas_base_get_pcie_sgl(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3517) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3518) 	return (void *)(ioc->pcie_sg_lookup[smid - 1].pcie_sgl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3521) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3522)  * mpt3sas_base_get_pcie_sgl_dma - obtain a PCIe SGL dma addr
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3523)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3524)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3525)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3526)  * Return: phys pointer to the address of the PCIe buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3527)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3528) dma_addr_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3529) mpt3sas_base_get_pcie_sgl_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3530) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3531) 	return ioc->pcie_sg_lookup[smid - 1].pcie_sgl_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3532) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3534) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3535)  * mpt3sas_base_get_reply_virt_addr - obtain reply frames virt address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3536)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3537)  * @phys_addr: lower 32 physical addr of the reply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3538)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3539)  * Converts 32bit lower physical addr into a virt address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3540)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3541) void *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3542) mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc, u32 phys_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3543) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3544) 	if (!phys_addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3545) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3546) 	return ioc->reply + (phys_addr - (u32)ioc->reply_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3549) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3550)  * _base_get_msix_index - get the msix index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3551)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3552)  * @scmd: scsi_cmnd object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3553)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3554)  * returns msix index of general reply queues,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3555)  * i.e. reply queue on which IO request's reply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3556)  * should be posted by the HBA firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3557)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3558) static inline u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3559) _base_get_msix_index(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3560) 	struct scsi_cmnd *scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3562) 	/* Enables reply_queue load balancing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3563) 	if (ioc->msix_load_balance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3564) 		return ioc->reply_queue_count ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3565) 		    base_mod64(atomic64_add_return(1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3566) 		    &ioc->total_io_cnt), ioc->reply_queue_count) : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3568) 	return ioc->cpu_msix_table[raw_smp_processor_id()];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3569) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3570) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3571) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3572)  * _base_sdev_nr_inflight_request -get number of inflight requests
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3573)  *				   of a request queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3574)  * @q: request_queue object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3575)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3576)  * returns number of inflight request of a request queue.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3577)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3578) inline unsigned long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3579) _base_sdev_nr_inflight_request(struct request_queue *q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3580) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3581) 	struct blk_mq_hw_ctx *hctx = q->queue_hw_ctx[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3583) 	return atomic_read(&hctx->nr_active);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3584) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3585) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3587) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3588)  * _base_get_high_iops_msix_index - get the msix index of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3589)  *				high iops queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3590)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3591)  * @scmd: scsi_cmnd object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3592)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3593)  * Returns: msix index of high iops reply queues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3594)  * i.e. high iops reply queue on which IO request's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3595)  * reply should be posted by the HBA firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3596)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3597) static inline u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3598) _base_get_high_iops_msix_index(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3599) 	struct scsi_cmnd *scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3600) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3601) 	/**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3602) 	 * Round robin the IO interrupts among the high iops
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3603) 	 * reply queues in terms of batch count 16 when outstanding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3604) 	 * IOs on the target device is >=8.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3605) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3606) 	if (_base_sdev_nr_inflight_request(scmd->device->request_queue) >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3607) 	    MPT3SAS_DEVICE_HIGH_IOPS_DEPTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3608) 		return base_mod64((
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3609) 		    atomic64_add_return(1, &ioc->high_iops_outstanding) /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3610) 		    MPT3SAS_HIGH_IOPS_BATCH_COUNT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3611) 		    MPT3SAS_HIGH_IOPS_REPLY_QUEUES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3612) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3613) 	return _base_get_msix_index(ioc, scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3614) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3616) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3617)  * mpt3sas_base_get_smid - obtain a free smid from internal queue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3618)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3619)  * @cb_idx: callback index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3620)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3621)  * Return: smid (zero is invalid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3622)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3623) u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3624) mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3625) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3626) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3627) 	struct request_tracker *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3628) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3630) 	spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3631) 	if (list_empty(&ioc->internal_free_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3632) 		spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3633) 		ioc_err(ioc, "%s: smid not available\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3634) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3635) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3636) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3637) 	request = list_entry(ioc->internal_free_list.next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3638) 	    struct request_tracker, tracker_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3639) 	request->cb_idx = cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3640) 	smid = request->smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3641) 	list_del(&request->tracker_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3642) 	spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3643) 	return smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3644) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3646) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3647)  * mpt3sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3648)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3649)  * @cb_idx: callback index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3650)  * @scmd: pointer to scsi command object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3651)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3652)  * Return: smid (zero is invalid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3653)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3654) u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3655) mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3656) 	struct scsi_cmnd *scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3657) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3658) 	struct scsiio_tracker *request = scsi_cmd_priv(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3659) 	unsigned int tag = scmd->request->tag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3660) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3661) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3662) 	smid = tag + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3663) 	request->cb_idx = cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3664) 	request->smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3665) 	request->scmd = scmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3666) 	INIT_LIST_HEAD(&request->chain_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3667) 	return smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3668) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3670) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3671)  * mpt3sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3672)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3673)  * @cb_idx: callback index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3674)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3675)  * Return: smid (zero is invalid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3676)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3677) u16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3678) mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3679) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3680) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3681) 	struct request_tracker *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3682) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3684) 	spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3685) 	if (list_empty(&ioc->hpr_free_list)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3686) 		spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3687) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3688) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3690) 	request = list_entry(ioc->hpr_free_list.next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3691) 	    struct request_tracker, tracker_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3692) 	request->cb_idx = cb_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3693) 	smid = request->smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3694) 	list_del(&request->tracker_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3695) 	spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3696) 	return smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3697) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3699) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3700) _base_recovery_check(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3701) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3702) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3703) 	 * See _wait_for_commands_to_complete() call with regards to this code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3704) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3705) 	if (ioc->shost_recovery && ioc->pending_io_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3706) 		ioc->pending_io_count = scsi_host_busy(ioc->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3707) 		if (ioc->pending_io_count == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3708) 			wake_up(&ioc->reset_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3709) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3710) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3711) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3712) void mpt3sas_base_clear_st(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3713) 			   struct scsiio_tracker *st)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3714) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3715) 	if (WARN_ON(st->smid == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3716) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3717) 	st->cb_idx = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3718) 	st->direct_io = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3719) 	st->scmd = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3720) 	atomic_set(&ioc->chain_lookup[st->smid - 1].chain_offset, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3721) 	st->smid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3722) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3723) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3724) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3725)  * mpt3sas_base_free_smid - put smid back on free_list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3726)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3727)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3728)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3729) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3730) mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3731) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3732) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3733) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3735) 	if (smid < ioc->hi_priority_smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3736) 		struct scsiio_tracker *st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3737) 		void *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3738) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3739) 		st = _get_st_from_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3740) 		if (!st) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3741) 			_base_recovery_check(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3742) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3743) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3744) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3745) 		/* Clear MPI request frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3746) 		request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3747) 		memset(request, 0, ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3748) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3749) 		mpt3sas_base_clear_st(ioc, st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3750) 		_base_recovery_check(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3751) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3752) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3753) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3754) 	spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3755) 	if (smid < ioc->internal_smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3756) 		/* hi-priority */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3757) 		i = smid - ioc->hi_priority_smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3758) 		ioc->hpr_lookup[i].cb_idx = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3759) 		list_add(&ioc->hpr_lookup[i].tracker_list, &ioc->hpr_free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3760) 	} else if (smid <= ioc->hba_queue_depth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3761) 		/* internal queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3762) 		i = smid - ioc->internal_smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3763) 		ioc->internal_lookup[i].cb_idx = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3764) 		list_add(&ioc->internal_lookup[i].tracker_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3765) 		    &ioc->internal_free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3766) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3767) 	spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3768) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3769) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3770) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3771)  * _base_mpi_ep_writeq - 32 bit write to MMIO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3772)  * @b: data payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3773)  * @addr: address in MMIO space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3774)  * @writeq_lock: spin lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3775)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3776)  * This special handling for MPI EP to take care of 32 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3777)  * environment where its not quarenteed to send the entire word
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3778)  * in one transfer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3779)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3780) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3781) _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3782) 					spinlock_t *writeq_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3783) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3784) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3785) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3786) 	spin_lock_irqsave(writeq_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3787) 	__raw_writel((u32)(b), addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3788) 	__raw_writel((u32)(b >> 32), (addr + 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3789) 	spin_unlock_irqrestore(writeq_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3791) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3792) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3793)  * _base_writeq - 64 bit write to MMIO
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3794)  * @b: data payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3795)  * @addr: address in MMIO space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3796)  * @writeq_lock: spin lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3797)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3798)  * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3799)  * care of 32 bit environment where its not quarenteed to send the entire word
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3800)  * in one transfer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3801)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3802) #if defined(writeq) && defined(CONFIG_64BIT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3803) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3804) _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3805) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3806) 	wmb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3807) 	__raw_writeq(b, addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3808) 	barrier();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3810) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3811) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3812) _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3813) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3814) 	_base_mpi_ep_writeq(b, addr, writeq_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3815) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3816) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3817) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3818) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3819)  * _base_set_and_get_msix_index - get the msix index and assign to msix_io
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3820)  *                                variable of scsi tracker
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3821)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3822)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3823)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3824)  * returns msix index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3825)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3826) static u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3827) _base_set_and_get_msix_index(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3828) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3829) 	struct scsiio_tracker *st = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3831) 	if (smid < ioc->hi_priority_smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3832) 		st = _get_st_from_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3833) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3834) 	if (st == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3835) 		return  _base_get_msix_index(ioc, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3836) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3837) 	st->msix_io = ioc->get_msix_index_for_smlio(ioc, st->scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3838) 	return st->msix_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3841) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3842)  * _base_put_smid_mpi_ep_scsi_io - send SCSI_IO request to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3843)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3844)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3845)  * @handle: device handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3846)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3847) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3848) _base_put_smid_mpi_ep_scsi_io(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3849) 	u16 smid, u16 handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3850) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3851) 	Mpi2RequestDescriptorUnion_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3852) 	u64 *request = (u64 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3853) 	void *mpi_req_iomem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3854) 	__le32 *mfp = (__le32 *)mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3855) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3856) 	_clone_sg_entries(ioc, (void *) mfp, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3857) 	mpi_req_iomem = (void __force *)ioc->chip +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3858) 			MPI_FRAME_START_OFFSET + (smid * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3859) 	_base_clone_mpi_to_sys_mem(mpi_req_iomem, (void *)mfp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3860) 					ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3861) 	descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3862) 	descriptor.SCSIIO.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3863) 	descriptor.SCSIIO.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3864) 	descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3865) 	descriptor.SCSIIO.LMID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3866) 	_base_mpi_ep_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3867) 	    &ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3868) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3870) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3871)  * _base_put_smid_scsi_io - send SCSI_IO request to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3872)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3873)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3874)  * @handle: device handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3875)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3876) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3877) _base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3878) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3879) 	Mpi2RequestDescriptorUnion_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3880) 	u64 *request = (u64 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3881) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3883) 	descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3884) 	descriptor.SCSIIO.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3885) 	descriptor.SCSIIO.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3886) 	descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3887) 	descriptor.SCSIIO.LMID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3888) 	_base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3889) 	    &ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3890) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3891) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3892) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3893)  * _base_put_smid_fast_path - send fast path request to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3894)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3895)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3896)  * @handle: device handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3897)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3898) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3899) _base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3900) 	u16 handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3901) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3902) 	Mpi2RequestDescriptorUnion_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3903) 	u64 *request = (u64 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3904) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3905) 	descriptor.SCSIIO.RequestFlags =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3906) 	    MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3907) 	descriptor.SCSIIO.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3908) 	descriptor.SCSIIO.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3909) 	descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3910) 	descriptor.SCSIIO.LMID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3911) 	_base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3912) 	    &ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3915) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3916)  * _base_put_smid_hi_priority - send Task Management request to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3917)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3918)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3919)  * @msix_task: msix_task will be same as msix of IO incase of task abort else 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3920)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3921) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3922) _base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3923) 	u16 msix_task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3924) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3925) 	Mpi2RequestDescriptorUnion_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3926) 	void *mpi_req_iomem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3927) 	u64 *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3929) 	if (ioc->is_mcpu_endpoint) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3930) 		__le32 *mfp = (__le32 *)mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3931) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3932) 		/* TBD 256 is offset within sys register. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3933) 		mpi_req_iomem = (void __force *)ioc->chip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3934) 					+ MPI_FRAME_START_OFFSET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3935) 					+ (smid * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3936) 		_base_clone_mpi_to_sys_mem(mpi_req_iomem, (void *)mfp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3937) 							ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3938) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3939) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3940) 	request = (u64 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3941) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3942) 	descriptor.HighPriority.RequestFlags =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3943) 	    MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3944) 	descriptor.HighPriority.MSIxIndex =  msix_task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3945) 	descriptor.HighPriority.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3946) 	descriptor.HighPriority.LMID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3947) 	descriptor.HighPriority.Reserved1 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3948) 	if (ioc->is_mcpu_endpoint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3949) 		_base_mpi_ep_writeq(*request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3950) 				&ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3951) 				&ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3952) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3953) 		_base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3954) 		    &ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3955) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3956) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3957) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3958)  * mpt3sas_base_put_smid_nvme_encap - send NVMe encapsulated request to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3959)  *  firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3960)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3961)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3962)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3963) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3964) mpt3sas_base_put_smid_nvme_encap(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3965) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3966) 	Mpi2RequestDescriptorUnion_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3967) 	u64 *request = (u64 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3969) 	descriptor.Default.RequestFlags =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3970) 		MPI26_REQ_DESCRIPT_FLAGS_PCIE_ENCAPSULATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3971) 	descriptor.Default.MSIxIndex =  _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3972) 	descriptor.Default.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3973) 	descriptor.Default.LMID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3974) 	descriptor.Default.DescriptorTypeDependent = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3975) 	_base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3976) 	    &ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3977) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3978) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3979) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3980)  * _base_put_smid_default - Default, primarily used for config pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3981)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3982)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3983)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3984) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3985) _base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3986) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3987) 	Mpi2RequestDescriptorUnion_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3988) 	void *mpi_req_iomem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3989) 	u64 *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3990) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3991) 	if (ioc->is_mcpu_endpoint) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3992) 		__le32 *mfp = (__le32 *)mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3993) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3994) 		_clone_sg_entries(ioc, (void *) mfp, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3995) 		/* TBD 256 is offset within sys register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3996) 		mpi_req_iomem = (void __force *)ioc->chip +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3997) 			MPI_FRAME_START_OFFSET + (smid * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3998) 		_base_clone_mpi_to_sys_mem(mpi_req_iomem, (void *)mfp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3999) 							ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4000) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4001) 	request = (u64 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4002) 	descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4003) 	descriptor.Default.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4004) 	descriptor.Default.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4005) 	descriptor.Default.LMID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4006) 	descriptor.Default.DescriptorTypeDependent = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4007) 	if (ioc->is_mcpu_endpoint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4008) 		_base_mpi_ep_writeq(*request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4009) 				&ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4010) 				&ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4011) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4012) 		_base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4013) 				&ioc->scsi_lookup_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4014) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4015) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4016) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4017)  * _base_put_smid_scsi_io_atomic - send SCSI_IO request to firmware using
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4018)  *   Atomic Request Descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4019)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4020)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4021)  * @handle: device handle, unused in this function, for function type match
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4022)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4023)  * Return nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4024)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4025) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4026) _base_put_smid_scsi_io_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4027) 	u16 handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4028) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4029) 	Mpi26AtomicRequestDescriptor_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4030) 	u32 *request = (u32 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4031) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4032) 	descriptor.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4033) 	descriptor.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4034) 	descriptor.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4035) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4036) 	writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4037) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4038) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4039) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4040)  * _base_put_smid_fast_path_atomic - send fast path request to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4041)  * using Atomic Request Descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4042)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4043)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4044)  * @handle: device handle, unused in this function, for function type match
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4045)  * Return nothing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4046)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4047) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4048) _base_put_smid_fast_path_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4049) 	u16 handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4050) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4051) 	Mpi26AtomicRequestDescriptor_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4052) 	u32 *request = (u32 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4053) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4054) 	descriptor.RequestFlags = MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4055) 	descriptor.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4056) 	descriptor.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4057) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4058) 	writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4059) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4061) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4062)  * _base_put_smid_hi_priority_atomic - send Task Management request to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4063)  * firmware using Atomic Request Descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4064)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4065)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4066)  * @msix_task: msix_task will be same as msix of IO incase of task abort else 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4067)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4068)  * Return nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4069)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4070) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4071) _base_put_smid_hi_priority_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4072) 	u16 msix_task)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4073) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4074) 	Mpi26AtomicRequestDescriptor_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4075) 	u32 *request = (u32 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4076) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4077) 	descriptor.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4078) 	descriptor.MSIxIndex = msix_task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4079) 	descriptor.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4080) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4081) 	writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4082) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4084) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4085)  * _base_put_smid_default - Default, primarily used for config pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4086)  * use Atomic Request Descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4087)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4088)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4089)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4090)  * Return nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4091)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4092) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4093) _base_put_smid_default_atomic(struct MPT3SAS_ADAPTER *ioc, u16 smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4094) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4095) 	Mpi26AtomicRequestDescriptor_t descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4096) 	u32 *request = (u32 *)&descriptor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4097) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4098) 	descriptor.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4099) 	descriptor.MSIxIndex = _base_set_and_get_msix_index(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4100) 	descriptor.SMID = cpu_to_le16(smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4102) 	writel(cpu_to_le32(*request), &ioc->chip->AtomicRequestDescriptorPost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4105) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4106)  * _base_display_OEMs_branding - Display branding string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4107)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4108)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4109) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4110) _base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4112) 	if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4113) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4115) 	switch (ioc->pdev->subsystem_vendor) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4116) 	case PCI_VENDOR_ID_INTEL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4117) 		switch (ioc->pdev->device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4118) 		case MPI2_MFGPAGE_DEVID_SAS2008:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4119) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4120) 			case MPT2SAS_INTEL_RMS2LL080_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4121) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4122) 					 MPT2SAS_INTEL_RMS2LL080_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4123) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4124) 			case MPT2SAS_INTEL_RMS2LL040_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4125) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4126) 					 MPT2SAS_INTEL_RMS2LL040_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4127) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4128) 			case MPT2SAS_INTEL_SSD910_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4129) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4130) 					 MPT2SAS_INTEL_SSD910_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4131) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4132) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4133) 				ioc_info(ioc, "Intel(R) Controller: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4134) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4135) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4136) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4137) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4138) 		case MPI2_MFGPAGE_DEVID_SAS2308_2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4139) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4140) 			case MPT2SAS_INTEL_RS25GB008_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4141) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4142) 					 MPT2SAS_INTEL_RS25GB008_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4143) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4144) 			case MPT2SAS_INTEL_RMS25JB080_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4145) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4146) 					 MPT2SAS_INTEL_RMS25JB080_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4147) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4148) 			case MPT2SAS_INTEL_RMS25JB040_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4149) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4150) 					 MPT2SAS_INTEL_RMS25JB040_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4151) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4152) 			case MPT2SAS_INTEL_RMS25KB080_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4153) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4154) 					 MPT2SAS_INTEL_RMS25KB080_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4155) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4156) 			case MPT2SAS_INTEL_RMS25KB040_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4157) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4158) 					 MPT2SAS_INTEL_RMS25KB040_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4159) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4160) 			case MPT2SAS_INTEL_RMS25LB040_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4161) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4162) 					 MPT2SAS_INTEL_RMS25LB040_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4163) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4164) 			case MPT2SAS_INTEL_RMS25LB080_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4165) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4166) 					 MPT2SAS_INTEL_RMS25LB080_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4167) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4168) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4169) 				ioc_info(ioc, "Intel(R) Controller: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4170) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4171) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4172) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4173) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4174) 		case MPI25_MFGPAGE_DEVID_SAS3008:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4175) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4176) 			case MPT3SAS_INTEL_RMS3JC080_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4177) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4178) 					 MPT3SAS_INTEL_RMS3JC080_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4179) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4181) 			case MPT3SAS_INTEL_RS3GC008_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4182) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4183) 					 MPT3SAS_INTEL_RS3GC008_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4184) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4185) 			case MPT3SAS_INTEL_RS3FC044_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4186) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4187) 					 MPT3SAS_INTEL_RS3FC044_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4188) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4189) 			case MPT3SAS_INTEL_RS3UC080_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4190) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4191) 					 MPT3SAS_INTEL_RS3UC080_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4192) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4193) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4194) 				ioc_info(ioc, "Intel(R) Controller: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4195) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4196) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4197) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4198) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4199) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4200) 			ioc_info(ioc, "Intel(R) Controller: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4201) 				 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4202) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4203) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4204) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4205) 	case PCI_VENDOR_ID_DELL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4206) 		switch (ioc->pdev->device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4207) 		case MPI2_MFGPAGE_DEVID_SAS2008:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4208) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4209) 			case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4210) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4211) 					 MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4212) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4213) 			case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4214) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4215) 					 MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4216) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4217) 			case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4218) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4219) 					 MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4220) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4221) 			case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4222) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4223) 					 MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4224) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4225) 			case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4226) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4227) 					 MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4228) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4229) 			case MPT2SAS_DELL_PERC_H200_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4230) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4231) 					 MPT2SAS_DELL_PERC_H200_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4232) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4233) 			case MPT2SAS_DELL_6GBPS_SAS_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4234) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4235) 					 MPT2SAS_DELL_6GBPS_SAS_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4236) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4237) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4238) 				ioc_info(ioc, "Dell 6Gbps HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4239) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4240) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4241) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4242) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4243) 		case MPI25_MFGPAGE_DEVID_SAS3008:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4244) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4245) 			case MPT3SAS_DELL_12G_HBA_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4246) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4247) 					 MPT3SAS_DELL_12G_HBA_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4248) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4249) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4250) 				ioc_info(ioc, "Dell 12Gbps HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4251) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4252) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4253) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4254) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4255) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4256) 			ioc_info(ioc, "Dell HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4257) 				 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4258) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4259) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4260) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4261) 	case PCI_VENDOR_ID_CISCO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4262) 		switch (ioc->pdev->device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4263) 		case MPI25_MFGPAGE_DEVID_SAS3008:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4264) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4265) 			case MPT3SAS_CISCO_12G_8E_HBA_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4266) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4267) 					 MPT3SAS_CISCO_12G_8E_HBA_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4268) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4269) 			case MPT3SAS_CISCO_12G_8I_HBA_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4270) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4271) 					 MPT3SAS_CISCO_12G_8I_HBA_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4272) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4273) 			case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4274) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4275) 					 MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4276) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4277) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4278) 				ioc_info(ioc, "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4279) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4280) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4281) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4282) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4283) 		case MPI25_MFGPAGE_DEVID_SAS3108_1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4284) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4285) 			case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4286) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4287) 					 MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4288) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4289) 			case MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4290) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4291) 					 MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4292) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4293) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4294) 				ioc_info(ioc, "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4295) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4296) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4297) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4298) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4299) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4300) 			ioc_info(ioc, "Cisco SAS HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4301) 				 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4302) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4303) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4304) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4305) 	case MPT2SAS_HP_3PAR_SSVID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4306) 		switch (ioc->pdev->device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4307) 		case MPI2_MFGPAGE_DEVID_SAS2004:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4308) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4309) 			case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4310) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4311) 					 MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4312) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4313) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4314) 				ioc_info(ioc, "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4315) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4316) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4317) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4318) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4319) 		case MPI2_MFGPAGE_DEVID_SAS2308_2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4320) 			switch (ioc->pdev->subsystem_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4321) 			case MPT2SAS_HP_2_4_INTERNAL_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4322) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4323) 					 MPT2SAS_HP_2_4_INTERNAL_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4324) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4325) 			case MPT2SAS_HP_2_4_EXTERNAL_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4326) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4327) 					 MPT2SAS_HP_2_4_EXTERNAL_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4328) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4329) 			case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4330) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4331) 					 MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4332) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4333) 			case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4334) 				ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4335) 					 MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4336) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4337) 			default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4338) 				ioc_info(ioc, "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4339) 					 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4340) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4341) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4342) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4343) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4344) 			ioc_info(ioc, "HP SAS HBA: Subsystem ID: 0x%X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4345) 				 ioc->pdev->subsystem_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4346) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4347) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4348) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4349) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4350) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4353) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4354)  * _base_display_fwpkg_version - sends FWUpload request to pull FWPkg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4355)  *				version from FW Image Header.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4356)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4357)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4358)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4359)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4360) 	static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4361) _base_display_fwpkg_version(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4362) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4363) 	Mpi2FWImageHeader_t *fw_img_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4364) 	Mpi26ComponentImageHeader_t *cmp_img_hdr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4365) 	Mpi25FWUploadRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4366) 	Mpi2FWUploadReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4367) 	int r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4368) 	u32  package_version = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4369) 	void *fwpkg_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4370) 	dma_addr_t fwpkg_data_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4371) 	u16 smid, ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4372) 	size_t data_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4373) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4374) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4376) 	if (ioc->base_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4377) 		ioc_err(ioc, "%s: internal command already in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4378) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4379) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4381) 	data_length = sizeof(Mpi2FWImageHeader_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4382) 	fwpkg_data = dma_alloc_coherent(&ioc->pdev->dev, data_length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4383) 			&fwpkg_data_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4384) 	if (!fwpkg_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4385) 		ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4386) 		    "Memory allocation for fwpkg data failed at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4387) 			__FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4388) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4389) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4391) 	smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4392) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4393) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4394) 		r = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4395) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4396) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4398) 	ioc->base_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4399) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4400) 	ioc->base_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4401) 	memset(mpi_request, 0, sizeof(Mpi25FWUploadRequest_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4402) 	mpi_request->Function = MPI2_FUNCTION_FW_UPLOAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4403) 	mpi_request->ImageType = MPI2_FW_UPLOAD_ITYPE_FW_FLASH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4404) 	mpi_request->ImageSize = cpu_to_le32(data_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4405) 	ioc->build_sg(ioc, &mpi_request->SGL, 0, 0, fwpkg_data_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4406) 			data_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4407) 	init_completion(&ioc->base_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4408) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4409) 	/* Wait for 15 seconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4410) 	wait_for_completion_timeout(&ioc->base_cmds.done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4411) 			FW_IMG_HDR_READ_TIMEOUT*HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4412) 	ioc_info(ioc, "%s: complete\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4413) 	if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4414) 		ioc_err(ioc, "%s: timeout\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4415) 		_debug_dump_mf(mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4416) 				sizeof(Mpi25FWUploadRequest_t)/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4417) 		r = -ETIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4418) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4419) 		memset(&mpi_reply, 0, sizeof(Mpi2FWUploadReply_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4420) 		if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4421) 			memcpy(&mpi_reply, ioc->base_cmds.reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4422) 					sizeof(Mpi2FWUploadReply_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4423) 			ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4424) 						MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4425) 			if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4426) 				fw_img_hdr = (Mpi2FWImageHeader_t *)fwpkg_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4427) 				if (le32_to_cpu(fw_img_hdr->Signature) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4428) 				    MPI26_IMAGE_HEADER_SIGNATURE0_MPI26) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4429) 					cmp_img_hdr =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4430) 					    (Mpi26ComponentImageHeader_t *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4431) 					    (fwpkg_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4432) 					package_version =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4433) 					    le32_to_cpu(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4434) 					    cmp_img_hdr->ApplicationSpecific);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4435) 				} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4436) 					package_version =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4437) 					    le32_to_cpu(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4438) 					    fw_img_hdr->PackageVersion.Word);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4439) 				if (package_version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4440) 					ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4441) 					"FW Package Ver(%02d.%02d.%02d.%02d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4442) 					((package_version) & 0xFF000000) >> 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4443) 					((package_version) & 0x00FF0000) >> 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4444) 					((package_version) & 0x0000FF00) >> 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4445) 					(package_version) & 0x000000FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4446) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4447) 				_debug_dump_mf(&mpi_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4448) 						sizeof(Mpi2FWUploadReply_t)/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4449) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4450) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4451) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4452) 	ioc->base_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4453) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4454) 	if (fwpkg_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4455) 		dma_free_coherent(&ioc->pdev->dev, data_length, fwpkg_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4456) 				fwpkg_data_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4457) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4460) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4461)  * _base_display_ioc_capabilities - Disply IOC's capabilities.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4462)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4463)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4464) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4465) _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4466) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4467) 	int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4468) 	char desc[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4469) 	u32 iounit_pg1_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4470) 	u32 bios_version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4472) 	bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4473) 	strncpy(desc, ioc->manu_pg0.ChipName, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4474) 	ioc_info(ioc, "%s: FWVersion(%02d.%02d.%02d.%02d), ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4475) 		 desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4476) 		 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4477) 		 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4478) 		 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4479) 		 ioc->facts.FWVersion.Word & 0x000000FF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4480) 		 ioc->pdev->revision,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4481) 		 (bios_version & 0xFF000000) >> 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4482) 		 (bios_version & 0x00FF0000) >> 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4483) 		 (bios_version & 0x0000FF00) >> 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4484) 		 bios_version & 0x000000FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4486) 	_base_display_OEMs_branding(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4488) 	if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_NVME_DEVICES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4489) 		pr_info("%sNVMe", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4490) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4491) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4493) 	ioc_info(ioc, "Protocol=(");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4495) 	if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4496) 		pr_cont("Initiator");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4497) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4498) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4500) 	if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4501) 		pr_cont("%sTarget", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4502) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4503) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4505) 	i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4506) 	pr_cont("), Capabilities=(");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4508) 	if (!ioc->hide_ir_msg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4509) 		if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4510) 		    MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4511) 			pr_cont("Raid");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4512) 			i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4513) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4514) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4516) 	if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4517) 		pr_cont("%sTLR", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4518) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4519) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4521) 	if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4522) 		pr_cont("%sMulticast", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4523) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4524) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4525) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4526) 	if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4527) 	    MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4528) 		pr_cont("%sBIDI Target", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4529) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4530) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4532) 	if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4533) 		pr_cont("%sEEDP", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4534) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4535) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4536) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4537) 	if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4538) 	    MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4539) 		pr_cont("%sSnapshot Buffer", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4540) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4541) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4543) 	if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4544) 	    MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4545) 		pr_cont("%sDiag Trace Buffer", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4546) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4547) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4549) 	if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4550) 	    MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4551) 		pr_cont("%sDiag Extended Buffer", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4552) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4553) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4555) 	if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4556) 	    MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4557) 		pr_cont("%sTask Set Full", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4558) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4559) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4561) 	iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4562) 	if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4563) 		pr_cont("%sNCQ", i ? "," : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4564) 		i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4565) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4567) 	pr_cont(")\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4570) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4571)  * mpt3sas_base_update_missing_delay - change the missing delay timers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4572)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4573)  * @device_missing_delay: amount of time till device is reported missing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4574)  * @io_missing_delay: interval IO is returned when there is a missing device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4575)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4576)  * Passed on the command line, this function will modify the device missing
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4577)  * delay, as well as the io missing delay. This should be called at driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4578)  * load time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4579)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4580) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4581) mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4582) 	u16 device_missing_delay, u8 io_missing_delay)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4583) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4584) 	u16 dmd, dmd_new, dmd_orignal;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4585) 	u8 io_missing_delay_original;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4586) 	u16 sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4587) 	Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4588) 	Mpi2ConfigReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4589) 	u8 num_phys = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4590) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4591) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4592) 	mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4593) 	if (!num_phys)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4594) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4595) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4596) 	sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4597) 	    sizeof(Mpi2SasIOUnit1PhyData_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4598) 	sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4599) 	if (!sas_iounit_pg1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4600) 		ioc_err(ioc, "failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4601) 			__FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4602) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4603) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4604) 	if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4605) 	    sas_iounit_pg1, sz))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4606) 		ioc_err(ioc, "failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4607) 			__FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4608) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4609) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4610) 	ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4611) 	    MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4612) 	if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4613) 		ioc_err(ioc, "failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4614) 			__FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4615) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4616) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4617) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4618) 	/* device missing delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4619) 	dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4620) 	if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4621) 		dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4622) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4623) 		dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4624) 	dmd_orignal = dmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4625) 	if (device_missing_delay > 0x7F) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4626) 		dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4627) 		    device_missing_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4628) 		dmd = dmd / 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4629) 		dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4630) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4631) 		dmd = device_missing_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4632) 	sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4634) 	/* io missing delay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4635) 	io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4636) 	sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4637) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4638) 	if (!mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4639) 	    sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4640) 		if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4641) 			dmd_new = (dmd &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4642) 			    MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4643) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4644) 			dmd_new =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4645) 		    dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4646) 		ioc_info(ioc, "device_missing_delay: old(%d), new(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4647) 			 dmd_orignal, dmd_new);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4648) 		ioc_info(ioc, "ioc_missing_delay: old(%d), new(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4649) 			 io_missing_delay_original,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4650) 			 io_missing_delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4651) 		ioc->device_missing_delay = dmd_new;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4652) 		ioc->io_missing_delay = io_missing_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4653) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4654) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4655) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4656) 	kfree(sas_iounit_pg1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4657) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4659) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4660)  * _base_update_ioc_page1_inlinewith_perf_mode - Update IOC Page1 fields
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4661)  *    according to performance mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4662)  * @ioc : per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4663)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4664)  * Return nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4665)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4666) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4667) _base_update_ioc_page1_inlinewith_perf_mode(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4668) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4669) 	Mpi2IOCPage1_t ioc_pg1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4670) 	Mpi2ConfigReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4672) 	mpt3sas_config_get_ioc_pg1(ioc, &mpi_reply, &ioc->ioc_pg1_copy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4673) 	memcpy(&ioc_pg1, &ioc->ioc_pg1_copy, sizeof(Mpi2IOCPage1_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4675) 	switch (perf_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4676) 	case MPT_PERF_MODE_DEFAULT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4677) 	case MPT_PERF_MODE_BALANCED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4678) 		if (ioc->high_iops_queues) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4679) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4680) 				"Enable interrupt coalescing only for first\t"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4681) 				"%d reply queues\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4682) 				MPT3SAS_HIGH_IOPS_REPLY_QUEUES);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4683) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4684) 			 * If 31st bit is zero then interrupt coalescing is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4685) 			 * enabled for all reply descriptor post queues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4686) 			 * If 31st bit is set to one then user can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4687) 			 * enable/disable interrupt coalescing on per reply
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4688) 			 * descriptor post queue group(8) basis. So to enable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4689) 			 * interrupt coalescing only on first reply descriptor
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4690) 			 * post queue group 31st bit and zero th bit is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4691) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4692) 			ioc_pg1.ProductSpecific = cpu_to_le32(0x80000000 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4693) 			    ((1 << MPT3SAS_HIGH_IOPS_REPLY_QUEUES/8) - 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4694) 			mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4695) 			ioc_info(ioc, "performance mode: balanced\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4696) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4697) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4698) 		fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4699) 	case MPT_PERF_MODE_LATENCY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4700) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4701) 		 * Enable interrupt coalescing on all reply queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4702) 		 * with timeout value 0xA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4703) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4704) 		ioc_pg1.CoalescingTimeout = cpu_to_le32(0xa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4705) 		ioc_pg1.Flags |= cpu_to_le32(MPI2_IOCPAGE1_REPLY_COALESCING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4706) 		ioc_pg1.ProductSpecific = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4707) 		mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4708) 		ioc_info(ioc, "performance mode: latency\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4709) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4710) 	case MPT_PERF_MODE_IOPS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4711) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4712) 		 * Enable interrupt coalescing on all reply queues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4713) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4714) 		ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4715) 		    "performance mode: iops with coalescing timeout: 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4716) 		    le32_to_cpu(ioc_pg1.CoalescingTimeout));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4717) 		ioc_pg1.Flags |= cpu_to_le32(MPI2_IOCPAGE1_REPLY_COALESCING);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4718) 		ioc_pg1.ProductSpecific = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4719) 		mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4720) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4721) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4722) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4723) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4724) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4725)  * _base_static_config_pages - static start of day config pages
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4726)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4727)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4728) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4729) _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4730) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4731) 	Mpi2ConfigReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4732) 	u32 iounit_pg1_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4733) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4734) 	ioc->nvme_abort_timeout = 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4735) 	mpt3sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4736) 	if (ioc->ir_firmware)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4737) 		mpt3sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4738) 		    &ioc->manu_pg10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4740) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4741) 	 * Ensure correct T10 PI operation if vendor left EEDPTagMode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4742) 	 * flag unset in NVDATA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4743) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4744) 	mpt3sas_config_get_manufacturing_pg11(ioc, &mpi_reply, &ioc->manu_pg11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4745) 	if (!ioc->is_gen35_ioc && ioc->manu_pg11.EEDPTagMode == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4746) 		pr_err("%s: overriding NVDATA EEDPTagMode setting\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4747) 		    ioc->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4748) 		ioc->manu_pg11.EEDPTagMode &= ~0x3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4749) 		ioc->manu_pg11.EEDPTagMode |= 0x1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4750) 		mpt3sas_config_set_manufacturing_pg11(ioc, &mpi_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4751) 		    &ioc->manu_pg11);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4752) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4753) 	if (ioc->manu_pg11.AddlFlags2 & NVME_TASK_MNGT_CUSTOM_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4754) 		ioc->tm_custom_handling = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4755) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4756) 		ioc->tm_custom_handling = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4757) 		if (ioc->manu_pg11.NVMeAbortTO < NVME_TASK_ABORT_MIN_TIMEOUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4758) 			ioc->nvme_abort_timeout = NVME_TASK_ABORT_MIN_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4759) 		else if (ioc->manu_pg11.NVMeAbortTO >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4760) 					NVME_TASK_ABORT_MAX_TIMEOUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4761) 			ioc->nvme_abort_timeout = NVME_TASK_ABORT_MAX_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4762) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4763) 			ioc->nvme_abort_timeout = ioc->manu_pg11.NVMeAbortTO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4764) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4765) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4766) 	mpt3sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4767) 	mpt3sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4768) 	mpt3sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4769) 	mpt3sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4770) 	mpt3sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4771) 	mpt3sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4772) 	_base_display_ioc_capabilities(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4773) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4774) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4775) 	 * Enable task_set_full handling in iounit_pg1 when the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4776) 	 * facts capabilities indicate that its supported.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4777) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4778) 	iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4779) 	if ((ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4780) 	    MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4781) 		iounit_pg1_flags &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4782) 		    ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4783) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4784) 		iounit_pg1_flags |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4785) 		    MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4786) 	ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4787) 	mpt3sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4788) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4789) 	if (ioc->iounit_pg8.NumSensors)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4790) 		ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4791) 	if (ioc->is_aero_ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4792) 		_base_update_ioc_page1_inlinewith_perf_mode(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4793) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4795) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4796)  * mpt3sas_free_enclosure_list - release memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4797)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4798)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4799)  * Free memory allocated during encloure add.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4800)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4801) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4802) mpt3sas_free_enclosure_list(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4803) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4804) 	struct _enclosure_node *enclosure_dev, *enclosure_dev_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4806) 	/* Free enclosure list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4807) 	list_for_each_entry_safe(enclosure_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4808) 			enclosure_dev_next, &ioc->enclosure_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4809) 		list_del(&enclosure_dev->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4810) 		kfree(enclosure_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4811) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4812) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4814) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4815)  * _base_release_memory_pools - release memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4816)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4817)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4818)  * Free memory allocated from _base_allocate_memory_pools.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4819)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4820) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4821) _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4822) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4823) 	int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4824) 	int j = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4825) 	int dma_alloc_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4826) 	struct chain_tracker *ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4827) 	int count = ioc->rdpq_array_enable ? ioc->reply_queue_count : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4828) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4829) 	dexitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4831) 	if (ioc->request) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4832) 		dma_free_coherent(&ioc->pdev->dev, ioc->request_dma_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4833) 		    ioc->request,  ioc->request_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4834) 		dexitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4835) 			    ioc_info(ioc, "request_pool(0x%p): free\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4836) 				     ioc->request));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4837) 		ioc->request = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4838) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4839) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4840) 	if (ioc->sense) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4841) 		dma_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4842) 		dma_pool_destroy(ioc->sense_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4843) 		dexitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4844) 			    ioc_info(ioc, "sense_pool(0x%p): free\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4845) 				     ioc->sense));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4846) 		ioc->sense = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4847) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4849) 	if (ioc->reply) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4850) 		dma_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4851) 		dma_pool_destroy(ioc->reply_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4852) 		dexitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4853) 			    ioc_info(ioc, "reply_pool(0x%p): free\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4854) 				     ioc->reply));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4855) 		ioc->reply = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4856) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4857) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4858) 	if (ioc->reply_free) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4859) 		dma_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4860) 		    ioc->reply_free_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4861) 		dma_pool_destroy(ioc->reply_free_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4862) 		dexitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4863) 			    ioc_info(ioc, "reply_free_pool(0x%p): free\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4864) 				     ioc->reply_free));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4865) 		ioc->reply_free = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4866) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4867) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4868) 	if (ioc->reply_post) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4869) 		dma_alloc_count = DIV_ROUND_UP(count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4870) 				RDPQ_MAX_INDEX_IN_ONE_CHUNK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4871) 		for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4872) 			if (i % RDPQ_MAX_INDEX_IN_ONE_CHUNK == 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4873) 			    && dma_alloc_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4874) 				if (ioc->reply_post[i].reply_post_free) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4875) 					dma_pool_free(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4876) 					    ioc->reply_post_free_dma_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4877) 					    ioc->reply_post[i].reply_post_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4878) 					ioc->reply_post[i].reply_post_free_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4879) 					dexitprintk(ioc, ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4880) 					   "reply_post_free_pool(0x%p): free\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4881) 					   ioc->reply_post[i].reply_post_free));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4882) 					ioc->reply_post[i].reply_post_free =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4883) 									NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4884) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4885) 				--dma_alloc_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4886) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4887) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4888) 		dma_pool_destroy(ioc->reply_post_free_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4889) 		if (ioc->reply_post_free_array &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4890) 			ioc->rdpq_array_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4891) 			dma_pool_free(ioc->reply_post_free_array_dma_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4892) 			    ioc->reply_post_free_array,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4893) 			    ioc->reply_post_free_array_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4894) 			ioc->reply_post_free_array = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4895) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4896) 		dma_pool_destroy(ioc->reply_post_free_array_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4897) 		kfree(ioc->reply_post);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4898) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4900) 	if (ioc->pcie_sgl_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4901) 		for (i = 0; i < ioc->scsiio_depth; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4902) 			dma_pool_free(ioc->pcie_sgl_dma_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4903) 					ioc->pcie_sg_lookup[i].pcie_sgl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4904) 					ioc->pcie_sg_lookup[i].pcie_sgl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4905) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4906) 		dma_pool_destroy(ioc->pcie_sgl_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4907) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4908) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4909) 	if (ioc->config_page) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4910) 		dexitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4911) 			    ioc_info(ioc, "config_page(0x%p): free\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4912) 				     ioc->config_page));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4913) 		dma_free_coherent(&ioc->pdev->dev, ioc->config_page_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4914) 		    ioc->config_page, ioc->config_page_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4915) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4916) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4917) 	kfree(ioc->hpr_lookup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4918) 	ioc->hpr_lookup = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4919) 	kfree(ioc->internal_lookup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4920) 	ioc->internal_lookup = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4921) 	if (ioc->chain_lookup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4922) 		for (i = 0; i < ioc->scsiio_depth; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4923) 			for (j = ioc->chains_per_prp_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4924) 			    j < ioc->chains_needed_per_io; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4925) 				ct = &ioc->chain_lookup[i].chains_per_smid[j];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4926) 				if (ct && ct->chain_buffer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4927) 					dma_pool_free(ioc->chain_dma_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4928) 						ct->chain_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4929) 						ct->chain_buffer_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4930) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4931) 			kfree(ioc->chain_lookup[i].chains_per_smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4932) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4933) 		dma_pool_destroy(ioc->chain_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4934) 		kfree(ioc->chain_lookup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4935) 		ioc->chain_lookup = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4936) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4937) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4938) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4939) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4940)  * mpt3sas_check_same_4gb_region - checks whether all reply queues in a set are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4941)  *	having same upper 32bits in their base memory address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4942)  * @reply_pool_start_address: Base address of a reply queue set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4943)  * @pool_sz: Size of single Reply Descriptor Post Queues pool size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4944)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4945)  * Return: 1 if reply queues in a set have a same upper 32bits in their base
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4946)  * memory address, else 0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4947)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4948) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4949) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4950) mpt3sas_check_same_4gb_region(long reply_pool_start_address, u32 pool_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4951) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4952) 	long reply_pool_end_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4953) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4954) 	reply_pool_end_address = reply_pool_start_address + pool_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4956) 	if (upper_32_bits(reply_pool_start_address) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4957) 		upper_32_bits(reply_pool_end_address))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4958) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4959) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4960) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4962) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4963) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4964)  * base_alloc_rdpq_dma_pool - Allocating DMA'able memory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4965)  *                     for reply queues.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4966)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4967)  * @sz: DMA Pool size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4968)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4969)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4970) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4971) base_alloc_rdpq_dma_pool(struct MPT3SAS_ADAPTER *ioc, int sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4972) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4973) 	int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4974) 	u32 dma_alloc_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4975) 	int reply_post_free_sz = ioc->reply_post_queue_depth *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4976) 		sizeof(Mpi2DefaultReplyDescriptor_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4977) 	int count = ioc->rdpq_array_enable ? ioc->reply_queue_count : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4978) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4979) 	ioc->reply_post = kcalloc(count, sizeof(struct reply_post_struct),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4980) 			GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4981) 	if (!ioc->reply_post)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4982) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4983) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4984) 	 *  For INVADER_SERIES each set of 8 reply queues(0-7, 8-15, ..) and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4985) 	 *  VENTURA_SERIES each set of 16 reply queues(0-15, 16-31, ..) should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4986) 	 *  be within 4GB boundary i.e reply queues in a set must have same
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4987) 	 *  upper 32-bits in their memory address. so here driver is allocating
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4988) 	 *  the DMA'able memory for reply queues according.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4989) 	 *  Driver uses limitation of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4990) 	 *  VENTURA_SERIES to manage INVADER_SERIES as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4991) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4992) 	dma_alloc_count = DIV_ROUND_UP(count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4993) 				RDPQ_MAX_INDEX_IN_ONE_CHUNK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4994) 	ioc->reply_post_free_dma_pool =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4995) 		dma_pool_create("reply_post_free pool",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4996) 		    &ioc->pdev->dev, sz, 16, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4997) 	if (!ioc->reply_post_free_dma_pool)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4998) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4999) 	for (i = 0; i < count; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5000) 		if ((i % RDPQ_MAX_INDEX_IN_ONE_CHUNK == 0) && dma_alloc_count) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5001) 			ioc->reply_post[i].reply_post_free =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5002) 			    dma_pool_zalloc(ioc->reply_post_free_dma_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5003) 				GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5004) 				&ioc->reply_post[i].reply_post_free_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5005) 			if (!ioc->reply_post[i].reply_post_free)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5006) 				return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5007) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5008) 			 * Each set of RDPQ pool must satisfy 4gb boundary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5009) 			 * restriction.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5010) 			 * 1) Check if allocated resources for RDPQ pool are in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5011) 			 *	the same 4GB range.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5012) 			 * 2) If #1 is true, continue with 64 bit DMA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5013) 			 * 3) If #1 is false, return 1. which means free all the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5014) 			 * resources and set DMA mask to 32 and allocate.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5015) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5016) 			if (!mpt3sas_check_same_4gb_region(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5017) 				(long)ioc->reply_post[i].reply_post_free, sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5018) 				dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5019) 				    ioc_err(ioc, "bad Replypost free pool(0x%p)"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5020) 				    "reply_post_free_dma = (0x%llx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5021) 				    ioc->reply_post[i].reply_post_free,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5022) 				    (unsigned long long)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5023) 				    ioc->reply_post[i].reply_post_free_dma));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5024) 				return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5025) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5026) 			dma_alloc_count--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5027) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5028) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5029) 			ioc->reply_post[i].reply_post_free =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5030) 			    (Mpi2ReplyDescriptorsUnion_t *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5031) 			    ((long)ioc->reply_post[i-1].reply_post_free
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5032) 			    + reply_post_free_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5033) 			ioc->reply_post[i].reply_post_free_dma =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5034) 			    (dma_addr_t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5035) 			    (ioc->reply_post[i-1].reply_post_free_dma +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5036) 			    reply_post_free_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5037) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5038) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5039) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5040) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5041) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5042) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5043)  * _base_allocate_memory_pools - allocate start of day memory pools
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5044)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5045)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5046)  * Return: 0 success, anything else error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5047)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5048) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5049) _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5050) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5051) 	struct mpt3sas_facts *facts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5052) 	u16 max_sge_elements;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5053) 	u16 chains_needed_per_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5054) 	u32 sz, total_sz, reply_post_free_sz, reply_post_free_array_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5055) 	u32 retry_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5056) 	u32 rdpq_sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5057) 	u16 max_request_credit, nvme_blocks_needed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5058) 	unsigned short sg_tablesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5059) 	u16 sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5060) 	int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5061) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5062) 	struct chain_tracker *ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5064) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5065) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5066) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5067) 	retry_sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5068) 	facts = &ioc->facts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5069) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5070) 	/* command line tunables for max sgl entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5071) 	if (max_sgl_entries != -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5072) 		sg_tablesize = max_sgl_entries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5073) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5074) 		if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5075) 			sg_tablesize = MPT2SAS_SG_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5076) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5077) 			sg_tablesize = MPT3SAS_SG_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5078) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5080) 	/* max sgl entries <= MPT_KDUMP_MIN_PHYS_SEGMENTS in KDUMP mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5081) 	if (reset_devices)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5082) 		sg_tablesize = min_t(unsigned short, sg_tablesize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5083) 		   MPT_KDUMP_MIN_PHYS_SEGMENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5084) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5085) 	if (ioc->is_mcpu_endpoint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5086) 		ioc->shost->sg_tablesize = MPT_MIN_PHYS_SEGMENTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5087) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5088) 		if (sg_tablesize < MPT_MIN_PHYS_SEGMENTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5089) 			sg_tablesize = MPT_MIN_PHYS_SEGMENTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5090) 		else if (sg_tablesize > MPT_MAX_PHYS_SEGMENTS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5091) 			sg_tablesize = min_t(unsigned short, sg_tablesize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5092) 					SG_MAX_SEGMENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5093) 			ioc_warn(ioc, "sg_tablesize(%u) is bigger than kernel defined SG_CHUNK_SIZE(%u)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5094) 				 sg_tablesize, MPT_MAX_PHYS_SEGMENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5095) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5096) 		ioc->shost->sg_tablesize = sg_tablesize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5097) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5098) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5099) 	ioc->internal_depth = min_t(int, (facts->HighPriorityCredit + (5)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5100) 		(facts->RequestCredit / 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5101) 	if (ioc->internal_depth < INTERNAL_CMDS_COUNT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5102) 		if (facts->RequestCredit <= (INTERNAL_CMDS_COUNT +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5103) 				INTERNAL_SCSIIO_CMDS_COUNT)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5104) 			ioc_err(ioc, "IOC doesn't have enough Request Credits, it has just %d number of credits\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5105) 				facts->RequestCredit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5106) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5107) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5108) 		ioc->internal_depth = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5109) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5111) 	ioc->hi_priority_depth = ioc->internal_depth - (5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5112) 	/* command line tunables  for max controller queue depth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5113) 	if (max_queue_depth != -1 && max_queue_depth != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5114) 		max_request_credit = min_t(u16, max_queue_depth +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5115) 			ioc->internal_depth, facts->RequestCredit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5116) 		if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5117) 			max_request_credit =  MAX_HBA_QUEUE_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5118) 	} else if (reset_devices)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5119) 		max_request_credit = min_t(u16, facts->RequestCredit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5120) 		    (MPT3SAS_KDUMP_SCSI_IO_DEPTH + ioc->internal_depth));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5121) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5122) 		max_request_credit = min_t(u16, facts->RequestCredit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5123) 		    MAX_HBA_QUEUE_DEPTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5125) 	/* Firmware maintains additional facts->HighPriorityCredit number of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5126) 	 * credits for HiPriprity Request messages, so hba queue depth will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5127) 	 * sum of max_request_credit and high priority queue depth.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5128) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5129) 	ioc->hba_queue_depth = max_request_credit + ioc->hi_priority_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5131) 	/* request frame size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5132) 	ioc->request_sz = facts->IOCRequestFrameSize * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5134) 	/* reply frame size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5135) 	ioc->reply_sz = facts->ReplyFrameSize * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5137) 	/* chain segment size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5138) 	if (ioc->hba_mpi_version_belonged != MPI2_VERSION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5139) 		if (facts->IOCMaxChainSegmentSize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5140) 			ioc->chain_segment_sz =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5141) 					facts->IOCMaxChainSegmentSize *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5142) 					MAX_CHAIN_ELEMT_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5143) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5144) 		/* set to 128 bytes size if IOCMaxChainSegmentSize is zero */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5145) 			ioc->chain_segment_sz = DEFAULT_NUM_FWCHAIN_ELEMTS *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5146) 						    MAX_CHAIN_ELEMT_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5147) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5148) 		ioc->chain_segment_sz = ioc->request_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5149) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5150) 	/* calculate the max scatter element size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5151) 	sge_size = max_t(u16, ioc->sge_size, ioc->sge_size_ieee);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5153)  retry_allocation:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5154) 	total_sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5155) 	/* calculate number of sg elements left over in the 1st frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5156) 	max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5157) 	    sizeof(Mpi2SGEIOUnion_t)) + sge_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5158) 	ioc->max_sges_in_main_message = max_sge_elements/sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5160) 	/* now do the same for a chain buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5161) 	max_sge_elements = ioc->chain_segment_sz - sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5162) 	ioc->max_sges_in_chain_message = max_sge_elements/sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5164) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5165) 	 *  MPT3SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5166) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5167) 	chains_needed_per_io = ((ioc->shost->sg_tablesize -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5168) 	   ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5169) 	    + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5170) 	if (chains_needed_per_io > facts->MaxChainDepth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5171) 		chains_needed_per_io = facts->MaxChainDepth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5172) 		ioc->shost->sg_tablesize = min_t(u16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5173) 		ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5174) 		* chains_needed_per_io), ioc->shost->sg_tablesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5175) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5176) 	ioc->chains_needed_per_io = chains_needed_per_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5178) 	/* reply free queue sizing - taking into account for 64 FW events */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5179) 	ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5181) 	/* mCPU manage single counters for simplicity */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5182) 	if (ioc->is_mcpu_endpoint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5183) 		ioc->reply_post_queue_depth = ioc->reply_free_queue_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5184) 	else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5185) 		/* calculate reply descriptor post queue depth */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5186) 		ioc->reply_post_queue_depth = ioc->hba_queue_depth +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5187) 			ioc->reply_free_queue_depth +  1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5188) 		/* align the reply post queue on the next 16 count boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5189) 		if (ioc->reply_post_queue_depth % 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5190) 			ioc->reply_post_queue_depth += 16 -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5191) 				(ioc->reply_post_queue_depth % 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5192) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5194) 	if (ioc->reply_post_queue_depth >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5195) 	    facts->MaxReplyDescriptorPostQueueDepth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5196) 		ioc->reply_post_queue_depth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5197) 				facts->MaxReplyDescriptorPostQueueDepth -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5198) 		    (facts->MaxReplyDescriptorPostQueueDepth % 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5199) 		ioc->hba_queue_depth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5200) 				((ioc->reply_post_queue_depth - 64) / 2) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5201) 		ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5202) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5204) 	ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5205) 	    "scatter gather: sge_in_main_msg(%d), sge_per_chain(%d), "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5206) 	    "sge_per_io(%d), chains_per_io(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5207) 	    ioc->max_sges_in_main_message,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5208) 	    ioc->max_sges_in_chain_message,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5209) 	    ioc->shost->sg_tablesize,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5210) 	    ioc->chains_needed_per_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5212) 	/* reply post queue, 16 byte align */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5213) 	reply_post_free_sz = ioc->reply_post_queue_depth *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5214) 	    sizeof(Mpi2DefaultReplyDescriptor_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5215) 	rdpq_sz = reply_post_free_sz * RDPQ_MAX_INDEX_IN_ONE_CHUNK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5216) 	if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5217) 		rdpq_sz = reply_post_free_sz * ioc->reply_queue_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5218) 	ret = base_alloc_rdpq_dma_pool(ioc, rdpq_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5219) 	if (ret == -EAGAIN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5220) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5221) 		 * Free allocated bad RDPQ memory pools.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5222) 		 * Change dma coherent mask to 32 bit and reallocate RDPQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5223) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5224) 		_base_release_memory_pools(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5225) 		ioc->use_32bit_dma = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5226) 		if (_base_config_dma_addressing(ioc, ioc->pdev) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5227) 			ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5228) 			    "32 DMA mask failed %s\n", pci_name(ioc->pdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5229) 			return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5230) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5231) 		if (base_alloc_rdpq_dma_pool(ioc, rdpq_sz))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5232) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5233) 	} else if (ret == -ENOMEM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5234) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5235) 	total_sz = rdpq_sz * (!ioc->rdpq_array_enable ? 1 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5236) 	    DIV_ROUND_UP(ioc->reply_queue_count, RDPQ_MAX_INDEX_IN_ONE_CHUNK));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5237) 	ioc->scsiio_depth = ioc->hba_queue_depth -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5238) 	    ioc->hi_priority_depth - ioc->internal_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5240) 	/* set the scsi host can_queue depth
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5241) 	 * with some internal commands that could be outstanding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5242) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5243) 	ioc->shost->can_queue = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5244) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5245) 		    ioc_info(ioc, "scsi host: can_queue depth (%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5246) 			     ioc->shost->can_queue));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5248) 	/* contiguous pool for request and chains, 16 byte align, one extra "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5249) 	 * "frame for smid=0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5250) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5251) 	ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5252) 	sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5254) 	/* hi-priority queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5255) 	sz += (ioc->hi_priority_depth * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5257) 	/* internal queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5258) 	sz += (ioc->internal_depth * ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5260) 	ioc->request_dma_sz = sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5261) 	ioc->request = dma_alloc_coherent(&ioc->pdev->dev, sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5262) 			&ioc->request_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5263) 	if (!ioc->request) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5264) 		ioc_err(ioc, "request pool: dma_alloc_coherent failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), total(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5265) 			ioc->hba_queue_depth, ioc->chains_needed_per_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5266) 			ioc->request_sz, sz / 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5267) 		if (ioc->scsiio_depth < MPT3SAS_SAS_QUEUE_DEPTH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5268) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5269) 		retry_sz = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5270) 		ioc->hba_queue_depth -= retry_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5271) 		_base_release_memory_pools(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5272) 		goto retry_allocation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5273) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5275) 	if (retry_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5276) 		ioc_err(ioc, "request pool: dma_alloc_coherent succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), total(%d kb)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5277) 			ioc->hba_queue_depth, ioc->chains_needed_per_io,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5278) 			ioc->request_sz, sz / 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5280) 	/* hi-priority queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5281) 	ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5282) 	    ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5283) 	ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5284) 	    ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5286) 	/* internal queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5287) 	ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5288) 	    ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5289) 	ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5290) 	    ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5291) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5292) 	ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5293) 	    "request pool(0x%p) - dma(0x%llx): "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5294) 	    "depth(%d), frame_size(%d), pool_size(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5295) 	    ioc->request, (unsigned long long) ioc->request_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5296) 	    ioc->hba_queue_depth, ioc->request_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5297) 	    (ioc->hba_queue_depth * ioc->request_sz) / 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5299) 	total_sz += sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5301) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5302) 		    ioc_info(ioc, "scsiio(0x%p): depth(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5303) 			     ioc->request, ioc->scsiio_depth));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5305) 	ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5306) 	sz = ioc->scsiio_depth * sizeof(struct chain_lookup);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5307) 	ioc->chain_lookup = kzalloc(sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5308) 	if (!ioc->chain_lookup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5309) 		ioc_err(ioc, "chain_lookup: __get_free_pages failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5310) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5311) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5312) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5313) 	sz = ioc->chains_needed_per_io * sizeof(struct chain_tracker);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5314) 	for (i = 0; i < ioc->scsiio_depth; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5315) 		ioc->chain_lookup[i].chains_per_smid = kzalloc(sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5316) 		if (!ioc->chain_lookup[i].chains_per_smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5317) 			ioc_err(ioc, "chain_lookup: kzalloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5318) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5319) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5320) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5322) 	/* initialize hi-priority queue smid's */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5323) 	ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5324) 	    sizeof(struct request_tracker), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5325) 	if (!ioc->hpr_lookup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5326) 		ioc_err(ioc, "hpr_lookup: kcalloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5327) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5328) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5329) 	ioc->hi_priority_smid = ioc->scsiio_depth + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5330) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5331) 		    ioc_info(ioc, "hi_priority(0x%p): depth(%d), start smid(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5332) 			     ioc->hi_priority,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5333) 			     ioc->hi_priority_depth, ioc->hi_priority_smid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5335) 	/* initialize internal queue smid's */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5336) 	ioc->internal_lookup = kcalloc(ioc->internal_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5337) 	    sizeof(struct request_tracker), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5338) 	if (!ioc->internal_lookup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5339) 		ioc_err(ioc, "internal_lookup: kcalloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5340) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5341) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5342) 	ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5343) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5344) 		    ioc_info(ioc, "internal(0x%p): depth(%d), start smid(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5345) 			     ioc->internal,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5346) 			     ioc->internal_depth, ioc->internal_smid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5347) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5348) 	 * The number of NVMe page sized blocks needed is:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5349) 	 *     (((sg_tablesize * 8) - 1) / (page_size - 8)) + 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5350) 	 * ((sg_tablesize * 8) - 1) is the max PRP's minus the first PRP entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5351) 	 * that is placed in the main message frame.  8 is the size of each PRP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5352) 	 * entry or PRP list pointer entry.  8 is subtracted from page_size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5353) 	 * because of the PRP list pointer entry at the end of a page, so this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5354) 	 * is not counted as a PRP entry.  The 1 added page is a round up.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5355) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5356) 	 * To avoid allocation failures due to the amount of memory that could
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5357) 	 * be required for NVMe PRP's, only each set of NVMe blocks will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5358) 	 * contiguous, so a new set is allocated for each possible I/O.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5359) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5360) 	ioc->chains_per_prp_buffer = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5361) 	if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_NVME_DEVICES) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5362) 		nvme_blocks_needed =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5363) 			(ioc->shost->sg_tablesize * NVME_PRP_SIZE) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5364) 		nvme_blocks_needed /= (ioc->page_size - NVME_PRP_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5365) 		nvme_blocks_needed++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5367) 		sz = sizeof(struct pcie_sg_list) * ioc->scsiio_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5368) 		ioc->pcie_sg_lookup = kzalloc(sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5369) 		if (!ioc->pcie_sg_lookup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5370) 			ioc_info(ioc, "PCIe SGL lookup: kzalloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5371) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5372) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5373) 		sz = nvme_blocks_needed * ioc->page_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5374) 		ioc->pcie_sgl_dma_pool =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5375) 			dma_pool_create("PCIe SGL pool", &ioc->pdev->dev, sz, 16, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5376) 		if (!ioc->pcie_sgl_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5377) 			ioc_info(ioc, "PCIe SGL pool: dma_pool_create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5378) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5379) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5381) 		ioc->chains_per_prp_buffer = sz/ioc->chain_segment_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5382) 		ioc->chains_per_prp_buffer = min(ioc->chains_per_prp_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5383) 						ioc->chains_needed_per_io);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5384) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5385) 		for (i = 0; i < ioc->scsiio_depth; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5386) 			ioc->pcie_sg_lookup[i].pcie_sgl = dma_pool_alloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5387) 				ioc->pcie_sgl_dma_pool, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5388) 				&ioc->pcie_sg_lookup[i].pcie_sgl_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5389) 			if (!ioc->pcie_sg_lookup[i].pcie_sgl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5390) 				ioc_info(ioc, "PCIe SGL pool: dma_pool_alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5391) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5392) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5393) 			for (j = 0; j < ioc->chains_per_prp_buffer; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5394) 				ct = &ioc->chain_lookup[i].chains_per_smid[j];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5395) 				ct->chain_buffer =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5396) 				    ioc->pcie_sg_lookup[i].pcie_sgl +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5397) 				    (j * ioc->chain_segment_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5398) 				ct->chain_buffer_dma =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5399) 				    ioc->pcie_sg_lookup[i].pcie_sgl_dma +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5400) 				    (j * ioc->chain_segment_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5401) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5402) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5403) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5404) 		dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5405) 			    ioc_info(ioc, "PCIe sgl pool depth(%d), element_size(%d), pool_size(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5406) 				     ioc->scsiio_depth, sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5407) 				     (sz * ioc->scsiio_depth) / 1024));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5408) 		dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5409) 			    ioc_info(ioc, "Number of chains can fit in a PRP page(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5410) 				     ioc->chains_per_prp_buffer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5411) 		total_sz += sz * ioc->scsiio_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5412) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5414) 	ioc->chain_dma_pool = dma_pool_create("chain pool", &ioc->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5415) 	    ioc->chain_segment_sz, 16, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5416) 	if (!ioc->chain_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5417) 		ioc_err(ioc, "chain_dma_pool: dma_pool_create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5418) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5419) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5420) 	for (i = 0; i < ioc->scsiio_depth; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5421) 		for (j = ioc->chains_per_prp_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5422) 				j < ioc->chains_needed_per_io; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5423) 			ct = &ioc->chain_lookup[i].chains_per_smid[j];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5424) 			ct->chain_buffer = dma_pool_alloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5425) 					ioc->chain_dma_pool, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5426) 					&ct->chain_buffer_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5427) 			if (!ct->chain_buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5428) 				ioc_err(ioc, "chain_lookup: pci_pool_alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5429) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5430) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5431) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5432) 		total_sz += ioc->chain_segment_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5433) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5435) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5436) 		    ioc_info(ioc, "chain pool depth(%d), frame_size(%d), pool_size(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5437) 			     ioc->chain_depth, ioc->chain_segment_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5438) 			     (ioc->chain_depth * ioc->chain_segment_sz) / 1024));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5440) 	/* sense buffers, 4 byte align */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5441) 	sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5442) 	ioc->sense_dma_pool = dma_pool_create("sense pool", &ioc->pdev->dev, sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5443) 					      4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5444) 	if (!ioc->sense_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5445) 		ioc_err(ioc, "sense pool: dma_pool_create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5446) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5447) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5448) 	ioc->sense = dma_pool_alloc(ioc->sense_dma_pool, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5449) 	    &ioc->sense_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5450) 	if (!ioc->sense) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5451) 		ioc_err(ioc, "sense pool: dma_pool_alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5452) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5453) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5454) 	/* sense buffer requires to be in same 4 gb region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5455) 	 * Below function will check the same.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5456) 	 * In case of failure, new pci pool will be created with updated
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5457) 	 * alignment. Older allocation and pool will be destroyed.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5458) 	 * Alignment will be used such a way that next allocation if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5459) 	 * success, will always meet same 4gb region requirement.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5460) 	 * Actual requirement is not alignment, but we need start and end of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5461) 	 * DMA address must have same upper 32 bit address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5462) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5463) 	if (!mpt3sas_check_same_4gb_region((long)ioc->sense, sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5464) 		//Release Sense pool & Reallocate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5465) 		dma_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5466) 		dma_pool_destroy(ioc->sense_dma_pool);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5467) 		ioc->sense = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5468) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5469) 		ioc->sense_dma_pool =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5470) 			dma_pool_create("sense pool", &ioc->pdev->dev, sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5471) 						roundup_pow_of_two(sz), 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5472) 		if (!ioc->sense_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5473) 			ioc_err(ioc, "sense pool: pci_pool_create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5474) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5475) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5476) 		ioc->sense = dma_pool_alloc(ioc->sense_dma_pool, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5477) 				&ioc->sense_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5478) 		if (!ioc->sense) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5479) 			ioc_err(ioc, "sense pool: pci_pool_alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5480) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5481) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5482) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5483) 	ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5484) 	    "sense pool(0x%p)- dma(0x%llx): depth(%d),"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5485) 	    "element_size(%d), pool_size(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5486) 	    ioc->sense, (unsigned long long)ioc->sense_dma, ioc->scsiio_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5487) 	    SCSI_SENSE_BUFFERSIZE, sz / 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5488) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5489) 	total_sz += sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5491) 	/* reply pool, 4 byte align */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5492) 	sz = ioc->reply_free_queue_depth * ioc->reply_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5493) 	ioc->reply_dma_pool = dma_pool_create("reply pool", &ioc->pdev->dev, sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5494) 					      4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5495) 	if (!ioc->reply_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5496) 		ioc_err(ioc, "reply pool: dma_pool_create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5497) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5498) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5499) 	ioc->reply = dma_pool_alloc(ioc->reply_dma_pool, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5500) 	    &ioc->reply_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5501) 	if (!ioc->reply) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5502) 		ioc_err(ioc, "reply pool: dma_pool_alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5503) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5504) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5505) 	ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5506) 	ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5507) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5508) 		    ioc_info(ioc, "reply pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5509) 			     ioc->reply, ioc->reply_free_queue_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5510) 			     ioc->reply_sz, sz / 1024));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5511) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5512) 		    ioc_info(ioc, "reply_dma(0x%llx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5513) 			     (unsigned long long)ioc->reply_dma));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5514) 	total_sz += sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5516) 	/* reply free queue, 16 byte align */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5517) 	sz = ioc->reply_free_queue_depth * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5518) 	ioc->reply_free_dma_pool = dma_pool_create("reply_free pool",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5519) 	    &ioc->pdev->dev, sz, 16, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5520) 	if (!ioc->reply_free_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5521) 		ioc_err(ioc, "reply_free pool: dma_pool_create failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5522) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5523) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5524) 	ioc->reply_free = dma_pool_zalloc(ioc->reply_free_dma_pool, GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5525) 	    &ioc->reply_free_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5526) 	if (!ioc->reply_free) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5527) 		ioc_err(ioc, "reply_free pool: dma_pool_alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5528) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5529) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5530) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5531) 		    ioc_info(ioc, "reply_free pool(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5532) 			     ioc->reply_free, ioc->reply_free_queue_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5533) 			     4, sz / 1024));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5534) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5535) 		    ioc_info(ioc, "reply_free_dma (0x%llx)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5536) 			     (unsigned long long)ioc->reply_free_dma));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5537) 	total_sz += sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5538) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5539) 	if (ioc->rdpq_array_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5540) 		reply_post_free_array_sz = ioc->reply_queue_count *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5541) 		    sizeof(Mpi2IOCInitRDPQArrayEntry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5542) 		ioc->reply_post_free_array_dma_pool =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5543) 		    dma_pool_create("reply_post_free_array pool",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5544) 		    &ioc->pdev->dev, reply_post_free_array_sz, 16, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5545) 		if (!ioc->reply_post_free_array_dma_pool) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5546) 			dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5547) 				    ioc_info(ioc, "reply_post_free_array pool: dma_pool_create failed\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5548) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5549) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5550) 		ioc->reply_post_free_array =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5551) 		    dma_pool_alloc(ioc->reply_post_free_array_dma_pool,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5552) 		    GFP_KERNEL, &ioc->reply_post_free_array_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5553) 		if (!ioc->reply_post_free_array) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5554) 			dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5555) 				    ioc_info(ioc, "reply_post_free_array pool: dma_pool_alloc failed\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5556) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5557) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5558) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5559) 	ioc->config_page_sz = 512;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5560) 	ioc->config_page = dma_alloc_coherent(&ioc->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5561) 			ioc->config_page_sz, &ioc->config_page_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5562) 	if (!ioc->config_page) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5563) 		ioc_err(ioc, "config page: dma_pool_alloc failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5564) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5565) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5567) 	ioc_info(ioc, "config page(0x%p) - dma(0x%llx): size(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5568) 	    ioc->config_page, (unsigned long long)ioc->config_page_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5569) 	    ioc->config_page_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5570) 	total_sz += ioc->config_page_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5571) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5572) 	ioc_info(ioc, "Allocated physical memory: size(%d kB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5573) 		 total_sz / 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5574) 	ioc_info(ioc, "Current Controller Queue Depth(%d),Max Controller Queue Depth(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5575) 		 ioc->shost->can_queue, facts->RequestCredit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5576) 	ioc_info(ioc, "Scatter Gather Elements per IO(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5577) 		 ioc->shost->sg_tablesize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5578) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5579) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5580)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5581) 	return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5584) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5585)  * mpt3sas_base_get_iocstate - Get the current state of a MPT adapter.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5586)  * @ioc: Pointer to MPT_ADAPTER structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5587)  * @cooked: Request raw or cooked IOC state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5588)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5589)  * Return: all IOC Doorbell register bits if cooked==0, else just the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5590)  * Doorbell bits in MPI_IOC_STATE_MASK.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5591)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5592) u32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5593) mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5594) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5595) 	u32 s, sc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5597) 	s = ioc->base_readl(&ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5598) 	sc = s & MPI2_IOC_STATE_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5599) 	return cooked ? sc : s;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5602) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5603)  * _base_wait_on_iocstate - waiting on a particular ioc state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5604)  * @ioc: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5605)  * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5606)  * @timeout: timeout in second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5607)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5608)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5609)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5610) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5611) _base_wait_on_iocstate(struct MPT3SAS_ADAPTER *ioc, u32 ioc_state, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5612) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5613) 	u32 count, cntdn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5614) 	u32 current_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5616) 	count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5617) 	cntdn = 1000 * timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5618) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5619) 		current_state = mpt3sas_base_get_iocstate(ioc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5620) 		if (current_state == ioc_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5621) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5622) 		if (count && current_state == MPI2_IOC_STATE_FAULT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5623) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5624) 		if (count && current_state == MPI2_IOC_STATE_COREDUMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5625) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5627) 		usleep_range(1000, 1500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5628) 		count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5629) 	} while (--cntdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5630) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5631) 	return current_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5632) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5634) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5635)  * _base_dump_reg_set -	This function will print hexdump of register set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5636)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5637)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5638)  * Returns nothing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5639)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5640) static inline void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5641) _base_dump_reg_set(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5642) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5643) 	unsigned int i, sz = 256;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5644) 	u32 __iomem *reg = (u32 __iomem *)ioc->chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5646) 	ioc_info(ioc, "System Register set:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5647) 	for (i = 0; i < (sz / sizeof(u32)); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5648) 		pr_info("%08x: %08x\n", (i * 4), readl(&reg[i]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5649) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5651) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5652)  * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5653)  * a write to the doorbell)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5654)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5655)  * @timeout: timeout in seconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5656)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5657)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5658)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5659)  * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5660)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5661) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5662) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5663) _base_wait_for_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5664) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5665) 	u32 cntdn, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5666) 	u32 int_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5667) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5668) 	count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5669) 	cntdn = 1000 * timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5670) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5671) 		int_status = ioc->base_readl(&ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5672) 		if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5673) 			dhsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5674) 				  ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5675) 					   __func__, count, timeout));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5676) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5677) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5678) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5679) 		usleep_range(1000, 1500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5680) 		count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5681) 	} while (--cntdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5683) 	ioc_err(ioc, "%s: failed due to timeout count(%d), int_status(%x)!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5684) 		__func__, count, int_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5685) 	return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5688) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5689) _base_spin_on_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5690) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5691) 	u32 cntdn, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5692) 	u32 int_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5694) 	count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5695) 	cntdn = 2000 * timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5696) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5697) 		int_status = ioc->base_readl(&ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5698) 		if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5699) 			dhsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5700) 				  ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5701) 					   __func__, count, timeout));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5702) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5703) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5704) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5705) 		udelay(500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5706) 		count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5707) 	} while (--cntdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5709) 	ioc_err(ioc, "%s: failed due to timeout count(%d), int_status(%x)!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5710) 		__func__, count, int_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5711) 	return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5713) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5715) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5716)  * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5717)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5718)  * @timeout: timeout in second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5719)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5720)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5721)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5722)  * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5723)  * doorbell.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5724)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5725) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5726) _base_wait_for_doorbell_ack(struct MPT3SAS_ADAPTER *ioc, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5727) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5728) 	u32 cntdn, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5729) 	u32 int_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5730) 	u32 doorbell;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5731) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5732) 	count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5733) 	cntdn = 1000 * timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5734) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5735) 		int_status = ioc->base_readl(&ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5736) 		if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5737) 			dhsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5738) 				  ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5739) 					   __func__, count, timeout));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5740) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5741) 		} else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5742) 			doorbell = ioc->base_readl(&ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5743) 			if ((doorbell & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5744) 			    MPI2_IOC_STATE_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5745) 				mpt3sas_print_fault_code(ioc, doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5746) 				return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5747) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5748) 			if ((doorbell & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5749) 			    MPI2_IOC_STATE_COREDUMP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5750) 				mpt3sas_print_coredump_info(ioc, doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5751) 				return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5752) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5753) 		} else if (int_status == 0xFFFFFFFF)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5754) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5755) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5756) 		usleep_range(1000, 1500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5757) 		count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5758) 	} while (--cntdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5759) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5760)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5761) 	ioc_err(ioc, "%s: failed due to timeout count(%d), int_status(%x)!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5762) 		__func__, count, int_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5763) 	return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5764) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5765) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5766) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5767)  * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5768)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5769)  * @timeout: timeout in second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5770)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5771)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5772)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5773) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5774) _base_wait_for_doorbell_not_used(struct MPT3SAS_ADAPTER *ioc, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5775) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5776) 	u32 cntdn, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5777) 	u32 doorbell_reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5778) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5779) 	count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5780) 	cntdn = 1000 * timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5781) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5782) 		doorbell_reg = ioc->base_readl(&ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5783) 		if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5784) 			dhsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5785) 				  ioc_info(ioc, "%s: successful count(%d), timeout(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5786) 					   __func__, count, timeout));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5787) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5788) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5790) 		usleep_range(1000, 1500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5791) 		count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5792) 	} while (--cntdn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5793) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5794) 	ioc_err(ioc, "%s: failed due to timeout count(%d), doorbell_reg(%x)!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5795) 		__func__, count, doorbell_reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5796) 	return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5797) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5798) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5799) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5800)  * _base_send_ioc_reset - send doorbell reset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5801)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5802)  * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5803)  * @timeout: timeout in second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5804)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5805)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5806)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5807) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5808) _base_send_ioc_reset(struct MPT3SAS_ADAPTER *ioc, u8 reset_type, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5809) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5810) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5811) 	int r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5812) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5814) 	if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5815) 		ioc_err(ioc, "%s: unknown reset_type\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5816) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5817) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5819) 	if (!(ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5820) 	   MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5821) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5822) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5823) 	ioc_info(ioc, "sending message unit reset !!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5824) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5825) 	writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5826) 	    &ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5827) 	if ((_base_wait_for_doorbell_ack(ioc, 15))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5828) 		r = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5829) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5830) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5831) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5832) 	ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5833) 	if (ioc_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5834) 		ioc_err(ioc, "%s: failed going to ready state (ioc_state=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5835) 			__func__, ioc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5836) 		r = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5837) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5838) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5839)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5840) 	if (r != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5841) 		ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5842) 		spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5843) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5844) 		 * Wait for IOC state CoreDump to clear only during
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5845) 		 * HBA initialization & release time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5846) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5847) 		if ((ioc_state & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5848) 		    MPI2_IOC_STATE_COREDUMP && (ioc->is_driver_loading == 1 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5849) 		    ioc->fault_reset_work_q == NULL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5850) 			spin_unlock_irqrestore(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5851) 			    &ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5852) 			mpt3sas_print_coredump_info(ioc, ioc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5853) 			mpt3sas_base_wait_for_coredump_completion(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5854) 			    __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5855) 			spin_lock_irqsave(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5856) 			    &ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5857) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5858) 		spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5859) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5860) 	ioc_info(ioc, "message unit reset: %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5861) 		 r == 0 ? "SUCCESS" : "FAILED");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5862) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5863) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5864) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5865) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5866)  * mpt3sas_wait_for_ioc - IOC's operational state is checked here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5867)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5868)  * @timeout: timeout in seconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5869)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5870)  * Return: Waits up to timeout seconds for the IOC to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5871)  * become operational. Returns 0 if IOC is present
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5872)  * and operational; otherwise returns -EFAULT.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5873)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5874) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5875) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5876) mpt3sas_wait_for_ioc(struct MPT3SAS_ADAPTER *ioc, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5877) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5878) 	int wait_state_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5879) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5880) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5881) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5882) 		ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5883) 		if (ioc_state == MPI2_IOC_STATE_OPERATIONAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5884) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5885) 		ssleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5886) 		ioc_info(ioc, "%s: waiting for operational state(count=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5887) 				__func__, ++wait_state_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5888) 	} while (--timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5889) 	if (!timeout) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5890) 		ioc_err(ioc, "%s: failed due to ioc not operational\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5891) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5892) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5893) 	if (wait_state_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5894) 		ioc_info(ioc, "ioc is operational\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5895) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5896) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5897) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5898) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5899)  * _base_handshake_req_reply_wait - send request thru doorbell interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5900)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5901)  * @request_bytes: request length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5902)  * @request: pointer having request payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5903)  * @reply_bytes: reply length
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5904)  * @reply: pointer to reply payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5905)  * @timeout: timeout in second
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5906)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5907)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5908)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5909) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5910) _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5911) 	u32 *request, int reply_bytes, u16 *reply, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5912) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5913) 	MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5914) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5915) 	u8 failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5916) 	__le32 *mfp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5918) 	/* make sure doorbell is not in use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5919) 	if ((ioc->base_readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5920) 		ioc_err(ioc, "doorbell is in use (line=%d)\n", __LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5921) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5922) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5923) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5924) 	/* clear pending doorbell interrupts from previous state changes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5925) 	if (ioc->base_readl(&ioc->chip->HostInterruptStatus) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5926) 	    MPI2_HIS_IOC2SYS_DB_STATUS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5927) 		writel(0, &ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5929) 	/* send message to ioc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5930) 	writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5931) 	    ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5932) 	    &ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5933) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5934) 	if ((_base_spin_on_doorbell_int(ioc, 5))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5935) 		ioc_err(ioc, "doorbell handshake int failed (line=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5936) 			__LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5937) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5938) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5939) 	writel(0, &ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5940) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5941) 	if ((_base_wait_for_doorbell_ack(ioc, 5))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5942) 		ioc_err(ioc, "doorbell handshake ack failed (line=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5943) 			__LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5944) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5945) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5947) 	/* send message 32-bits at a time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5948) 	for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5949) 		writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5950) 		if ((_base_wait_for_doorbell_ack(ioc, 5)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5951) 			failed = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5952) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5953) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5954) 	if (failed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5955) 		ioc_err(ioc, "doorbell handshake sending request failed (line=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5956) 			__LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5957) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5958) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5959) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5960) 	/* now wait for the reply */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5961) 	if ((_base_wait_for_doorbell_int(ioc, timeout))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5962) 		ioc_err(ioc, "doorbell handshake int failed (line=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5963) 			__LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5964) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5965) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5966) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5967) 	/* read the first two 16-bits, it gives the total length of the reply */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5968) 	reply[0] = le16_to_cpu(ioc->base_readl(&ioc->chip->Doorbell)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5969) 	    & MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5970) 	writel(0, &ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5971) 	if ((_base_wait_for_doorbell_int(ioc, 5))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5972) 		ioc_err(ioc, "doorbell handshake int failed (line=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5973) 			__LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5974) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5975) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5976) 	reply[1] = le16_to_cpu(ioc->base_readl(&ioc->chip->Doorbell)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5977) 	    & MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5978) 	writel(0, &ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5980) 	for (i = 2; i < default_reply->MsgLength * 2; i++)  {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5981) 		if ((_base_wait_for_doorbell_int(ioc, 5))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5982) 			ioc_err(ioc, "doorbell handshake int failed (line=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5983) 				__LINE__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5984) 			return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5985) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5986) 		if (i >=  reply_bytes/2) /* overflow case */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5987) 			ioc->base_readl(&ioc->chip->Doorbell);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5988) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5989) 			reply[i] = le16_to_cpu(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5990) 			    ioc->base_readl(&ioc->chip->Doorbell)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5991) 			    & MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5992) 		writel(0, &ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5993) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5994) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5995) 	_base_wait_for_doorbell_int(ioc, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5996) 	if (_base_wait_for_doorbell_not_used(ioc, 5) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5997) 		dhsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5998) 			  ioc_info(ioc, "doorbell is in use (line=%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5999) 				   __LINE__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6000) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6001) 	writel(0, &ioc->chip->HostInterruptStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6002) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6003) 	if (ioc->logging_level & MPT_DEBUG_INIT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6004) 		mfp = (__le32 *)reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6005) 		pr_info("\toffset:data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6006) 		for (i = 0; i < reply_bytes/4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6007) 			ioc_info(ioc, "\t[0x%02x]:%08x\n", i*4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6008) 			    le32_to_cpu(mfp[i]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6009) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6010) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6011) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6013) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6014)  * mpt3sas_base_sas_iounit_control - send sas iounit control to FW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6015)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6016)  * @mpi_reply: the reply payload from FW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6017)  * @mpi_request: the request payload sent to FW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6018)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6019)  * The SAS IO Unit Control Request message allows the host to perform low-level
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6020)  * operations, such as resets on the PHYs of the IO Unit, also allows the host
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6021)  * to obtain the IOC assigned device handles for a device if it has other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6022)  * identifying information about the device, in addition allows the host to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6023)  * remove IOC resources associated with the device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6024)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6025)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6026)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6027) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6028) mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6029) 	Mpi2SasIoUnitControlReply_t *mpi_reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6030) 	Mpi2SasIoUnitControlRequest_t *mpi_request)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6031) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6032) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6033) 	u8 issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6034) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6035) 	void *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6036) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6037) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6038) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6039) 	mutex_lock(&ioc->base_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6040) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6041) 	if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6042) 		ioc_err(ioc, "%s: base_cmd in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6043) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6044) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6045) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6047) 	rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6048) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6049) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6050) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6051) 	smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6052) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6053) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6054) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6055) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6056) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6057) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6058) 	rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6059) 	ioc->base_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6060) 	request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6061) 	ioc->base_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6062) 	memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6063) 	if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6064) 	    mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6065) 		ioc->ioc_link_reset_in_progress = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6066) 	init_completion(&ioc->base_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6067) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6068) 	wait_for_completion_timeout(&ioc->base_cmds.done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6069) 	    msecs_to_jiffies(10000));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6070) 	if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6071) 	    mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6072) 	    ioc->ioc_link_reset_in_progress)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6073) 		ioc->ioc_link_reset_in_progress = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6074) 	if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6075) 		mpt3sas_check_cmd_timeout(ioc, ioc->base_cmds.status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6076) 		    mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)/4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6077) 		    issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6078) 		goto issue_host_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6079) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6080) 	if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6081) 		memcpy(mpi_reply, ioc->base_cmds.reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6082) 		    sizeof(Mpi2SasIoUnitControlReply_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6083) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6084) 		memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6085) 	ioc->base_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6086) 	goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6087) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6088)  issue_host_reset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6089) 	if (issue_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6090) 		mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6091) 	ioc->base_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6092) 	rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6093)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6094) 	mutex_unlock(&ioc->base_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6095) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6096) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6097) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6098) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6099)  * mpt3sas_base_scsi_enclosure_processor - sending request to sep device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6100)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6101)  * @mpi_reply: the reply payload from FW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6102)  * @mpi_request: the request payload sent to FW
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6103)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6104)  * The SCSI Enclosure Processor request message causes the IOC to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6105)  * communicate with SES devices to control LED status signals.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6106)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6107)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6108)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6109) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6110) mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6111) 	Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6113) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6114) 	u8 issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6115) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6116) 	void *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6118) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6120) 	mutex_lock(&ioc->base_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6121) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6122) 	if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6123) 		ioc_err(ioc, "%s: base_cmd in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6124) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6125) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6126) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6128) 	rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6129) 	if (rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6130) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6132) 	smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6133) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6134) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6135) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6136) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6139) 	rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6140) 	ioc->base_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6141) 	request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6142) 	ioc->base_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6143) 	memset(request, 0, ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6144) 	memcpy(request, mpi_request, sizeof(Mpi2SepReply_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6145) 	init_completion(&ioc->base_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6146) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6147) 	wait_for_completion_timeout(&ioc->base_cmds.done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6148) 	    msecs_to_jiffies(10000));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6149) 	if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6150) 		mpt3sas_check_cmd_timeout(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6151) 		    ioc->base_cmds.status, mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6152) 		    sizeof(Mpi2SepRequest_t)/4, issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6153) 		goto issue_host_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6154) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6155) 	if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6156) 		memcpy(mpi_reply, ioc->base_cmds.reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6157) 		    sizeof(Mpi2SepReply_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6158) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6159) 		memset(mpi_reply, 0, sizeof(Mpi2SepReply_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6160) 	ioc->base_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6161) 	goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6163)  issue_host_reset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6164) 	if (issue_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6165) 		mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6166) 	ioc->base_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6167) 	rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6168)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6169) 	mutex_unlock(&ioc->base_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6170) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6173) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6174)  * _base_get_port_facts - obtain port facts reply and save in ioc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6175)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6176)  * @port: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6177)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6178)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6179)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6180) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6181) _base_get_port_facts(struct MPT3SAS_ADAPTER *ioc, int port)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6182) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6183) 	Mpi2PortFactsRequest_t mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6184) 	Mpi2PortFactsReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6185) 	struct mpt3sas_port_facts *pfacts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6186) 	int mpi_reply_sz, mpi_request_sz, r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6188) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6190) 	mpi_reply_sz = sizeof(Mpi2PortFactsReply_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6191) 	mpi_request_sz = sizeof(Mpi2PortFactsRequest_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6192) 	memset(&mpi_request, 0, mpi_request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6193) 	mpi_request.Function = MPI2_FUNCTION_PORT_FACTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6194) 	mpi_request.PortNumber = port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6195) 	r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6196) 	    (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6198) 	if (r != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6199) 		ioc_err(ioc, "%s: handshake failed (r=%d)\n", __func__, r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6200) 		return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6201) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6203) 	pfacts = &ioc->pfacts[port];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6204) 	memset(pfacts, 0, sizeof(struct mpt3sas_port_facts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6205) 	pfacts->PortNumber = mpi_reply.PortNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6206) 	pfacts->VP_ID = mpi_reply.VP_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6207) 	pfacts->VF_ID = mpi_reply.VF_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6208) 	pfacts->MaxPostedCmdBuffers =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6209) 	    le16_to_cpu(mpi_reply.MaxPostedCmdBuffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6211) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6214) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6215)  * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6216)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6217)  * @timeout:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6218)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6219)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6220)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6221) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6222) _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6223) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6224) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6225) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6227) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6229) 	if (ioc->pci_error_recovery) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6230) 		dfailprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6231) 			    ioc_info(ioc, "%s: host in pci error recovery\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6232) 				     __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6233) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6234) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6235) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6236) 	ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6237) 	dhsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6238) 		  ioc_info(ioc, "%s: ioc_state(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6239) 			   __func__, ioc_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6241) 	if (((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6242) 	    (ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6243) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6245) 	if (ioc_state & MPI2_DOORBELL_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6246) 		dhsprintk(ioc, ioc_info(ioc, "unexpected doorbell active!\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6247) 		goto issue_diag_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6248) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6250) 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6251) 		mpt3sas_print_fault_code(ioc, ioc_state &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6252) 		    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6253) 		goto issue_diag_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6254) 	} else if ((ioc_state & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6255) 	    MPI2_IOC_STATE_COREDUMP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6256) 		ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6257) 		    "%s: Skipping the diag reset here. (ioc_state=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6258) 		    __func__, ioc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6259) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6260) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6262) 	ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6263) 	if (ioc_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6264) 		dfailprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6265) 			    ioc_info(ioc, "%s: failed going to ready state (ioc_state=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6266) 				     __func__, ioc_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6267) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6268) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6270)  issue_diag_reset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6271) 	rc = _base_diag_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6272) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6273) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6275) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6276)  * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6277)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6278)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6279)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6280)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6281) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6282) _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6283) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6284) 	Mpi2IOCFactsRequest_t mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6285) 	Mpi2IOCFactsReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6286) 	struct mpt3sas_facts *facts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6287) 	int mpi_reply_sz, mpi_request_sz, r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6289) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6291) 	r = _base_wait_for_iocstate(ioc, 10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6292) 	if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6293) 		dfailprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6294) 			    ioc_info(ioc, "%s: failed getting to correct state\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6295) 				     __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6296) 		return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6297) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6298) 	mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6299) 	mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6300) 	memset(&mpi_request, 0, mpi_request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6301) 	mpi_request.Function = MPI2_FUNCTION_IOC_FACTS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6302) 	r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6303) 	    (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6304) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6305) 	if (r != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6306) 		ioc_err(ioc, "%s: handshake failed (r=%d)\n", __func__, r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6307) 		return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6308) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6310) 	facts = &ioc->facts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6311) 	memset(facts, 0, sizeof(struct mpt3sas_facts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6312) 	facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6313) 	facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6314) 	facts->VP_ID = mpi_reply.VP_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6315) 	facts->VF_ID = mpi_reply.VF_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6316) 	facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6317) 	facts->MaxChainDepth = mpi_reply.MaxChainDepth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6318) 	facts->WhoInit = mpi_reply.WhoInit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6319) 	facts->NumberOfPorts = mpi_reply.NumberOfPorts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6320) 	facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6321) 	if (ioc->msix_enable && (facts->MaxMSIxVectors <=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6322) 	    MAX_COMBINED_MSIX_VECTORS(ioc->is_gen35_ioc)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6323) 		ioc->combined_reply_queue = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6324) 	facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6325) 	facts->MaxReplyDescriptorPostQueueDepth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6326) 	    le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6327) 	facts->ProductID = le16_to_cpu(mpi_reply.ProductID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6328) 	facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6329) 	if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6330) 		ioc->ir_firmware = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6331) 	if ((facts->IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6332) 	      MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE) && (!reset_devices))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6333) 		ioc->rdpq_array_capable = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6334) 	if ((facts->IOCCapabilities & MPI26_IOCFACTS_CAPABILITY_ATOMIC_REQ)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6335) 	    && ioc->is_aero_ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6336) 		ioc->atomic_desc_capable = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6337) 	facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6338) 	facts->IOCRequestFrameSize =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6339) 	    le16_to_cpu(mpi_reply.IOCRequestFrameSize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6340) 	if (ioc->hba_mpi_version_belonged != MPI2_VERSION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6341) 		facts->IOCMaxChainSegmentSize =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6342) 			le16_to_cpu(mpi_reply.IOCMaxChainSegmentSize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6343) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6344) 	facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6345) 	facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6346) 	ioc->shost->max_id = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6347) 	facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6348) 	facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6349) 	facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6350) 	facts->HighPriorityCredit =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6351) 	    le16_to_cpu(mpi_reply.HighPriorityCredit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6352) 	facts->ReplyFrameSize = mpi_reply.ReplyFrameSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6353) 	facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6354) 	facts->CurrentHostPageSize = mpi_reply.CurrentHostPageSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6356) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6357) 	 * Get the Page Size from IOC Facts. If it's 0, default to 4k.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6358) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6359) 	ioc->page_size = 1 << facts->CurrentHostPageSize;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6360) 	if (ioc->page_size == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6361) 		ioc_info(ioc, "CurrentHostPageSize is 0: Setting default host page size to 4k\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6362) 		ioc->page_size = 1 << MPT3SAS_HOST_PAGE_SIZE_4K;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6363) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6364) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6365) 		    ioc_info(ioc, "CurrentHostPageSize(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6366) 			     facts->CurrentHostPageSize));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6368) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6369) 		    ioc_info(ioc, "hba queue depth(%d), max chains per io(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6370) 			     facts->RequestCredit, facts->MaxChainDepth));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6371) 	dinitprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6372) 		    ioc_info(ioc, "request frame size(%d), reply frame size(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6373) 			     facts->IOCRequestFrameSize * 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6374) 			     facts->ReplyFrameSize * 4));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6375) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6378) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6379)  * _base_send_ioc_init - send ioc_init to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6380)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6381)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6382)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6383)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6384) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6385) _base_send_ioc_init(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6386) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6387) 	Mpi2IOCInitRequest_t mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6388) 	Mpi2IOCInitReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6389) 	int i, r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6390) 	ktime_t current_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6391) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6392) 	u32 reply_post_free_array_sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6394) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6396) 	memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6397) 	mpi_request.Function = MPI2_FUNCTION_IOC_INIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6398) 	mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6399) 	mpi_request.VF_ID = 0; /* TODO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6400) 	mpi_request.VP_ID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6401) 	mpi_request.MsgVersion = cpu_to_le16(ioc->hba_mpi_version_belonged);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6402) 	mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6403) 	mpi_request.HostPageSize = MPT3SAS_HOST_PAGE_SIZE_4K;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6405) 	if (_base_is_controller_msix_enabled(ioc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6406) 		mpi_request.HostMSIxVectors = ioc->reply_queue_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6407) 	mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6408) 	mpi_request.ReplyDescriptorPostQueueDepth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6409) 	    cpu_to_le16(ioc->reply_post_queue_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6410) 	mpi_request.ReplyFreeQueueDepth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6411) 	    cpu_to_le16(ioc->reply_free_queue_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6413) 	mpi_request.SenseBufferAddressHigh =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6414) 	    cpu_to_le32((u64)ioc->sense_dma >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6415) 	mpi_request.SystemReplyAddressHigh =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6416) 	    cpu_to_le32((u64)ioc->reply_dma >> 32);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6417) 	mpi_request.SystemRequestFrameBaseAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6418) 	    cpu_to_le64((u64)ioc->request_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6419) 	mpi_request.ReplyFreeQueueAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6420) 	    cpu_to_le64((u64)ioc->reply_free_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6422) 	if (ioc->rdpq_array_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6423) 		reply_post_free_array_sz = ioc->reply_queue_count *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6424) 		    sizeof(Mpi2IOCInitRDPQArrayEntry);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6425) 		memset(ioc->reply_post_free_array, 0, reply_post_free_array_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6426) 		for (i = 0; i < ioc->reply_queue_count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6427) 			ioc->reply_post_free_array[i].RDPQBaseAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6428) 			    cpu_to_le64(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6429) 				(u64)ioc->reply_post[i].reply_post_free_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6430) 		mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6431) 		mpi_request.ReplyDescriptorPostQueueAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6432) 		    cpu_to_le64((u64)ioc->reply_post_free_array_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6433) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6434) 		mpi_request.ReplyDescriptorPostQueueAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6435) 		    cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6436) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6437) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6438) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6439) 	 * Set the flag to enable CoreDump state feature in IOC firmware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6440) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6441) 	mpi_request.ConfigurationFlags |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6442) 	    cpu_to_le16(MPI26_IOCINIT_CFGFLAGS_COREDUMP_ENABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6444) 	/* This time stamp specifies number of milliseconds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6445) 	 * since epoch ~ midnight January 1, 1970.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6446) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6447) 	current_time = ktime_get_real();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6448) 	mpi_request.TimeStamp = cpu_to_le64(ktime_to_ms(current_time));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6450) 	if (ioc->logging_level & MPT_DEBUG_INIT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6451) 		__le32 *mfp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6452) 		int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6454) 		mfp = (__le32 *)&mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6455) 		ioc_info(ioc, "\toffset:data\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6456) 		for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6457) 			ioc_info(ioc, "\t[0x%02x]:%08x\n", i*4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6458) 			    le32_to_cpu(mfp[i]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6459) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6461) 	r = _base_handshake_req_reply_wait(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6462) 	    sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6463) 	    sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 30);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6465) 	if (r != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6466) 		ioc_err(ioc, "%s: handshake failed (r=%d)\n", __func__, r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6467) 		return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6468) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6470) 	ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6471) 	if (ioc_status != MPI2_IOCSTATUS_SUCCESS ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6472) 	    mpi_reply.IOCLogInfo) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6473) 		ioc_err(ioc, "%s: failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6474) 		r = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6475) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6477) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6478) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6479) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6480) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6481)  * mpt3sas_port_enable_done - command completion routine for port enable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6482)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6483)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6484)  * @msix_index: MSIX table index supplied by the OS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6485)  * @reply: reply message frame(lower 32bit addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6486)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6487)  * Return: 1 meaning mf should be freed from _base_interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6488)  *          0 means the mf is freed from this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6489)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6490) u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6491) mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6492) 	u32 reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6493) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6494) 	MPI2DefaultReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6495) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6496) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6497) 	if (ioc->port_enable_cmds.status == MPT3_CMD_NOT_USED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6498) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6500) 	mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6501) 	if (!mpi_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6502) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6503) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6504) 	if (mpi_reply->Function != MPI2_FUNCTION_PORT_ENABLE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6505) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6506) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6507) 	ioc->port_enable_cmds.status &= ~MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6508) 	ioc->port_enable_cmds.status |= MPT3_CMD_COMPLETE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6509) 	ioc->port_enable_cmds.status |= MPT3_CMD_REPLY_VALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6510) 	memcpy(ioc->port_enable_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6511) 	ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6512) 	if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6513) 		ioc->port_enable_failed = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6515) 	if (ioc->is_driver_loading) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6516) 		if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6517) 			mpt3sas_port_enable_complete(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6518) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6519) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6520) 			ioc->start_scan_failed = ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6521) 			ioc->start_scan = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6522) 			return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6523) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6524) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6525) 	complete(&ioc->port_enable_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6526) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6527) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6528) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6529) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6530)  * _base_send_port_enable - send port_enable(discovery stuff) to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6531)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6532)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6533)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6534)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6535) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6536) _base_send_port_enable(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6537) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6538) 	Mpi2PortEnableRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6539) 	Mpi2PortEnableReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6540) 	int r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6541) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6542) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6544) 	ioc_info(ioc, "sending port enable !!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6545) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6546) 	if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6547) 		ioc_err(ioc, "%s: internal command already in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6548) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6549) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6551) 	smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6552) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6553) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6554) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6555) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6557) 	ioc->port_enable_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6558) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6559) 	ioc->port_enable_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6560) 	memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6561) 	mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6562) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6563) 	init_completion(&ioc->port_enable_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6564) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6565) 	wait_for_completion_timeout(&ioc->port_enable_cmds.done, 300*HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6566) 	if (!(ioc->port_enable_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6567) 		ioc_err(ioc, "%s: timeout\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6568) 		_debug_dump_mf(mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6569) 		    sizeof(Mpi2PortEnableRequest_t)/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6570) 		if (ioc->port_enable_cmds.status & MPT3_CMD_RESET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6571) 			r = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6572) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6573) 			r = -ETIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6574) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6575) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6576) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6577) 	mpi_reply = ioc->port_enable_cmds.reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6578) 	ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6579) 	if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6580) 		ioc_err(ioc, "%s: failed with (ioc_status=0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6581) 			__func__, ioc_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6582) 		r = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6583) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6584) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6585) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6586)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6587) 	ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6588) 	ioc_info(ioc, "port enable: %s\n", r == 0 ? "SUCCESS" : "FAILED");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6589) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6591) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6592) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6593)  * mpt3sas_port_enable - initiate firmware discovery (don't wait for reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6594)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6595)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6596)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6597)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6598) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6599) mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6600) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6601) 	Mpi2PortEnableRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6602) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6604) 	ioc_info(ioc, "sending port enable !!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6605) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6606) 	if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6607) 		ioc_err(ioc, "%s: internal command already in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6608) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6609) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6610) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6611) 	smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6612) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6613) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6614) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6615) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6616) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6617) 	ioc->port_enable_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6618) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6619) 	ioc->port_enable_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6620) 	memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6621) 	mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6623) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6624) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6625) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6627) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6628)  * _base_determine_wait_on_discovery - desposition
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6629)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6630)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6631)  * Decide whether to wait on discovery to complete. Used to either
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6632)  * locate boot device, or report volumes ahead of physical devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6633)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6634)  * Return: 1 for wait, 0 for don't wait.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6635)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6636) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6637) _base_determine_wait_on_discovery(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6638) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6639) 	/* We wait for discovery to complete if IR firmware is loaded.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6640) 	 * The sas topology events arrive before PD events, so we need time to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6641) 	 * turn on the bit in ioc->pd_handles to indicate PD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6642) 	 * Also, it maybe required to report Volumes ahead of physical
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6643) 	 * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6644) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6645) 	if (ioc->ir_firmware)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6646) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6648) 	/* if no Bios, then we don't need to wait */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6649) 	if (!ioc->bios_pg3.BiosVersion)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6650) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6652) 	/* Bios is present, then we drop down here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6653) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6654) 	 * If there any entries in the Bios Page 2, then we wait
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6655) 	 * for discovery to complete.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6656) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6658) 	/* Current Boot Device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6659) 	if ((ioc->bios_pg2.CurrentBootDeviceForm &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6660) 	    MPI2_BIOSPAGE2_FORM_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6661) 	    MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6662) 	/* Request Boot Device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6663) 	   (ioc->bios_pg2.ReqBootDeviceForm &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6664) 	    MPI2_BIOSPAGE2_FORM_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6665) 	    MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6666) 	/* Alternate Request Boot Device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6667) 	   (ioc->bios_pg2.ReqAltBootDeviceForm &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6668) 	    MPI2_BIOSPAGE2_FORM_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6669) 	    MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6670) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6672) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6673) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6675) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6676)  * _base_unmask_events - turn on notification for this event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6677)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6678)  * @event: firmware event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6679)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6680)  * The mask is stored in ioc->event_masks.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6681)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6682) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6683) _base_unmask_events(struct MPT3SAS_ADAPTER *ioc, u16 event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6684) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6685) 	u32 desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6686) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6687) 	if (event >= 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6688) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6690) 	desired_event = (1 << (event % 32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6691) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6692) 	if (event < 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6693) 		ioc->event_masks[0] &= ~desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6694) 	else if (event < 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6695) 		ioc->event_masks[1] &= ~desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6696) 	else if (event < 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6697) 		ioc->event_masks[2] &= ~desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6698) 	else if (event < 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6699) 		ioc->event_masks[3] &= ~desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6700) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6701) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6702) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6703)  * _base_event_notification - send event notification
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6704)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6705)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6706)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6707)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6708) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6709) _base_event_notification(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6710) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6711) 	Mpi2EventNotificationRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6712) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6713) 	int r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6714) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6716) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6717) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6718) 	if (ioc->base_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6719) 		ioc_err(ioc, "%s: internal command already in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6720) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6721) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6722) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6723) 	smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6724) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6725) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6726) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6727) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6728) 	ioc->base_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6729) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6730) 	ioc->base_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6731) 	memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6732) 	mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6733) 	mpi_request->VF_ID = 0; /* TODO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6734) 	mpi_request->VP_ID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6735) 	for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6736) 		mpi_request->EventMasks[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6737) 		    cpu_to_le32(ioc->event_masks[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6738) 	init_completion(&ioc->base_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6739) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6740) 	wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6741) 	if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6742) 		ioc_err(ioc, "%s: timeout\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6743) 		_debug_dump_mf(mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6744) 		    sizeof(Mpi2EventNotificationRequest_t)/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6745) 		if (ioc->base_cmds.status & MPT3_CMD_RESET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6746) 			r = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6747) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6748) 			r = -ETIME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6749) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6750) 		dinitprintk(ioc, ioc_info(ioc, "%s: complete\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6751) 	ioc->base_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6752) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6753) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6754) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6755) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6756)  * mpt3sas_base_validate_event_type - validating event types
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6757)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6758)  * @event_type: firmware event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6759)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6760)  * This will turn on firmware event notification when application
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6761)  * ask for that event. We don't mask events that are already enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6762)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6763) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6764) mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc, u32 *event_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6765) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6766) 	int i, j;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6767) 	u32 event_mask, desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6768) 	u8 send_update_to_fw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6769) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6770) 	for (i = 0, send_update_to_fw = 0; i <
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6771) 	    MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6772) 		event_mask = ~event_type[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6773) 		desired_event = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6774) 		for (j = 0; j < 32; j++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6775) 			if (!(event_mask & desired_event) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6776) 			    (ioc->event_masks[i] & desired_event)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6777) 				ioc->event_masks[i] &= ~desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6778) 				send_update_to_fw = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6779) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6780) 			desired_event = (desired_event << 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6781) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6782) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6783) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6784) 	if (!send_update_to_fw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6785) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6786) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6787) 	mutex_lock(&ioc->base_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6788) 	_base_event_notification(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6789) 	mutex_unlock(&ioc->base_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6791) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6792) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6793)  * _base_diag_reset - the "big hammer" start of day reset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6794)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6795)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6796)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6797)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6798) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6799) _base_diag_reset(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6800) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6801) 	u32 host_diagnostic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6802) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6803) 	u32 count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6804) 	u32 hcb_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6806) 	ioc_info(ioc, "sending diag reset !!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6807) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6808) 	pci_cfg_access_lock(ioc->pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6809) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6810) 	drsprintk(ioc, ioc_info(ioc, "clear interrupts\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6811) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6812) 	count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6813) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6814) 		/* Write magic sequence to WriteSequence register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6815) 		 * Loop until in diagnostic mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6816) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6817) 		drsprintk(ioc, ioc_info(ioc, "write magic sequence\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6818) 		writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6819) 		writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6820) 		writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6821) 		writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6822) 		writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6823) 		writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6824) 		writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6825) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6826) 		/* wait 100 msec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6827) 		msleep(100);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6828) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6829) 		if (count++ > 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6830) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6831) 			    "Stop writing magic sequence after 20 retries\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6832) 			_base_dump_reg_set(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6833) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6834) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6836) 		host_diagnostic = ioc->base_readl(&ioc->chip->HostDiagnostic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6837) 		drsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6838) 			  ioc_info(ioc, "wrote magic sequence: count(%d), host_diagnostic(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6839) 				   count, host_diagnostic));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6841) 	} while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6842) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6843) 	hcb_size = ioc->base_readl(&ioc->chip->HCBSize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6844) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6845) 	drsprintk(ioc, ioc_info(ioc, "diag reset: issued\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6846) 	writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6847) 	     &ioc->chip->HostDiagnostic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6849) 	/*This delay allows the chip PCIe hardware time to finish reset tasks*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6850) 	msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6851) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6852) 	/* Approximately 300 second max wait */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6853) 	for (count = 0; count < (300000000 /
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6854) 		MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6855) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6856) 		host_diagnostic = ioc->base_readl(&ioc->chip->HostDiagnostic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6857) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6858) 		if (host_diagnostic == 0xFFFFFFFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6859) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6860) 			    "Invalid host diagnostic register value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6861) 			_base_dump_reg_set(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6862) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6863) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6864) 		if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6865) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6866) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6867) 		msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC / 1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6868) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6870) 	if (host_diagnostic & MPI2_DIAG_HCB_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6871) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6872) 		drsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6873) 			  ioc_info(ioc, "restart the adapter assuming the HCB Address points to good F/W\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6874) 		host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6875) 		host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6876) 		writel(host_diagnostic, &ioc->chip->HostDiagnostic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6877) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6878) 		drsprintk(ioc, ioc_info(ioc, "re-enable the HCDW\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6879) 		writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6880) 		    &ioc->chip->HCBSize);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6881) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6883) 	drsprintk(ioc, ioc_info(ioc, "restart the adapter\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6884) 	writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6885) 	    &ioc->chip->HostDiagnostic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6886) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6887) 	drsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6888) 		  ioc_info(ioc, "disable writes to the diagnostic register\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6889) 	writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6890) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6891) 	drsprintk(ioc, ioc_info(ioc, "Wait for FW to go to the READY state\n"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6892) 	ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6893) 	if (ioc_state) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6894) 		ioc_err(ioc, "%s: failed going to ready state (ioc_state=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6895) 			__func__, ioc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6896) 		_base_dump_reg_set(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6897) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6898) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6900) 	pci_cfg_access_unlock(ioc->pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6901) 	ioc_info(ioc, "diag reset: SUCCESS\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6902) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6903) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6904)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6905) 	pci_cfg_access_unlock(ioc->pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6906) 	ioc_err(ioc, "diag reset: FAILED\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6907) 	return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6908) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6909) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6910) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6911)  * _base_make_ioc_ready - put controller in READY state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6912)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6913)  * @type: FORCE_BIG_HAMMER or SOFT_RESET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6914)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6915)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6916)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6917) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6918) _base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, enum reset_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6919) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6920) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6921) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6922) 	int count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6923) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6924) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6925) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6926) 	if (ioc->pci_error_recovery)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6927) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6928) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6929) 	ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6930) 	dhsprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6931) 		  ioc_info(ioc, "%s: ioc_state(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6932) 			   __func__, ioc_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6933) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6934) 	/* if in RESET state, it should move to READY state shortly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6935) 	count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6936) 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_RESET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6937) 		while ((ioc_state & MPI2_IOC_STATE_MASK) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6938) 		    MPI2_IOC_STATE_READY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6939) 			if (count++ == 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6940) 				ioc_err(ioc, "%s: failed going to ready state (ioc_state=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6941) 					__func__, ioc_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6942) 				return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6943) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6944) 			ssleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6945) 			ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6946) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6947) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6948) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6949) 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6950) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6951) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6952) 	if (ioc_state & MPI2_DOORBELL_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6953) 		ioc_info(ioc, "unexpected doorbell active!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6954) 		goto issue_diag_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6955) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6956) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6957) 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6958) 		mpt3sas_print_fault_code(ioc, ioc_state &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6959) 		    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6960) 		goto issue_diag_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6961) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6962) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6963) 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_COREDUMP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6964) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6965) 		 * if host reset is invoked while watch dog thread is waiting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6966) 		 * for IOC state to be changed to Fault state then driver has
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6967) 		 * to wait here for CoreDump state to clear otherwise reset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6968) 		 * will be issued to the FW and FW move the IOC state to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6969) 		 * reset state without copying the FW logs to coredump region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6970) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6971) 		if (ioc->ioc_coredump_loop != MPT3SAS_COREDUMP_LOOP_DONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6972) 			mpt3sas_print_coredump_info(ioc, ioc_state &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6973) 			    MPI2_DOORBELL_DATA_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6974) 			mpt3sas_base_wait_for_coredump_completion(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6975) 			    __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6976) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6977) 		goto issue_diag_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6978) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6980) 	if (type == FORCE_BIG_HAMMER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6981) 		goto issue_diag_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6982) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6983) 	if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6984) 		if (!(_base_send_ioc_reset(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6985) 		    MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6986) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6987) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6988) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6989)  issue_diag_reset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6990) 	rc = _base_diag_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6991) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6992) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6993) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6994) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6995)  * _base_make_ioc_operational - put controller in OPERATIONAL state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6996)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6997)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6998)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6999)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7000) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7001) _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7002) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7003) 	int r, i, index, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7004) 	unsigned long	flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7005) 	u32 reply_address;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7006) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7007) 	struct _tr_list *delayed_tr, *delayed_tr_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7008) 	struct _sc_list *delayed_sc, *delayed_sc_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7009) 	struct _event_ack_list *delayed_event_ack, *delayed_event_ack_next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7010) 	u8 hide_flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7011) 	struct adapter_reply_queue *reply_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7012) 	Mpi2ReplyDescriptorsUnion_t *reply_post_free_contig;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7013) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7014) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7015) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7016) 	/* clean the delayed target reset list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7017) 	list_for_each_entry_safe(delayed_tr, delayed_tr_next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7018) 	    &ioc->delayed_tr_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7019) 		list_del(&delayed_tr->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7020) 		kfree(delayed_tr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7021) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7022) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7024) 	list_for_each_entry_safe(delayed_tr, delayed_tr_next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7025) 	    &ioc->delayed_tr_volume_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7026) 		list_del(&delayed_tr->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7027) 		kfree(delayed_tr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7028) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7029) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7030) 	list_for_each_entry_safe(delayed_sc, delayed_sc_next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7031) 	    &ioc->delayed_sc_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7032) 		list_del(&delayed_sc->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7033) 		kfree(delayed_sc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7034) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7035) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7036) 	list_for_each_entry_safe(delayed_event_ack, delayed_event_ack_next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7037) 	    &ioc->delayed_event_ack_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7038) 		list_del(&delayed_event_ack->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7039) 		kfree(delayed_event_ack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7040) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7041) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7042) 	spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7043) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7044) 	/* hi-priority queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7045) 	INIT_LIST_HEAD(&ioc->hpr_free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7046) 	smid = ioc->hi_priority_smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7047) 	for (i = 0; i < ioc->hi_priority_depth; i++, smid++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7048) 		ioc->hpr_lookup[i].cb_idx = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7049) 		ioc->hpr_lookup[i].smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7050) 		list_add_tail(&ioc->hpr_lookup[i].tracker_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7051) 		    &ioc->hpr_free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7052) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7053) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7054) 	/* internal queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7055) 	INIT_LIST_HEAD(&ioc->internal_free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7056) 	smid = ioc->internal_smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7057) 	for (i = 0; i < ioc->internal_depth; i++, smid++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7058) 		ioc->internal_lookup[i].cb_idx = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7059) 		ioc->internal_lookup[i].smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7060) 		list_add_tail(&ioc->internal_lookup[i].tracker_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7061) 		    &ioc->internal_free_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7062) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7064) 	spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7065) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7066) 	/* initialize Reply Free Queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7067) 	for (i = 0, reply_address = (u32)ioc->reply_dma ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7068) 	    i < ioc->reply_free_queue_depth ; i++, reply_address +=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7069) 	    ioc->reply_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7070) 		ioc->reply_free[i] = cpu_to_le32(reply_address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7071) 		if (ioc->is_mcpu_endpoint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7072) 			_base_clone_reply_to_sys_mem(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7073) 					reply_address, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7074) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7075) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7076) 	/* initialize reply queues */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7077) 	if (ioc->is_driver_loading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7078) 		_base_assign_reply_queues(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7080) 	/* initialize Reply Post Free Queue */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7081) 	index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7082) 	reply_post_free_contig = ioc->reply_post[0].reply_post_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7083) 	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7084) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7085) 		 * If RDPQ is enabled, switch to the next allocation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7086) 		 * Otherwise advance within the contiguous region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7087) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7088) 		if (ioc->rdpq_array_enable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7089) 			reply_q->reply_post_free =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7090) 				ioc->reply_post[index++].reply_post_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7091) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7092) 			reply_q->reply_post_free = reply_post_free_contig;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7093) 			reply_post_free_contig += ioc->reply_post_queue_depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7094) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7096) 		reply_q->reply_post_host_index = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7097) 		for (i = 0; i < ioc->reply_post_queue_depth; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7098) 			reply_q->reply_post_free[i].Words =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7099) 			    cpu_to_le64(ULLONG_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7100) 		if (!_base_is_controller_msix_enabled(ioc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7101) 			goto skip_init_reply_post_free_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7102) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7103)  skip_init_reply_post_free_queue:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7105) 	r = _base_send_ioc_init(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7106) 	if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7107) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7108) 		 * No need to check IOC state for fault state & issue
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7109) 		 * diag reset during host reset. This check is need
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7110) 		 * only during driver load time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7111) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7112) 		if (!ioc->is_driver_loading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7113) 			return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7115) 		rc = _base_check_for_fault_and_issue_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7116) 		if (rc || (_base_send_ioc_init(ioc)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7117) 			return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7118) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7120) 	/* initialize reply free host index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7121) 	ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7122) 	writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7124) 	/* initialize reply post host index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7125) 	list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7126) 		if (ioc->combined_reply_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7127) 			writel((reply_q->msix_index & 7)<<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7128) 			   MPI2_RPHI_MSIX_INDEX_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7129) 			   ioc->replyPostRegisterIndex[reply_q->msix_index/8]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7130) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7131) 			writel(reply_q->msix_index <<
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7132) 				MPI2_RPHI_MSIX_INDEX_SHIFT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7133) 				&ioc->chip->ReplyPostHostIndex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7135) 		if (!_base_is_controller_msix_enabled(ioc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7136) 			goto skip_init_reply_post_host_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7139)  skip_init_reply_post_host_index:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7141) 	mpt3sas_base_unmask_interrupts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7143) 	if (ioc->hba_mpi_version_belonged != MPI2_VERSION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7144) 		r = _base_display_fwpkg_version(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7145) 		if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7146) 			return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7147) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7149) 	_base_static_config_pages(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7150) 	r = _base_event_notification(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7151) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7152) 		return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7154) 	if (ioc->is_driver_loading) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7156) 		if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7157) 		    == 0x80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7158) 			hide_flag = (u8) (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7159) 			    le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7160) 			    MFG_PAGE10_HIDE_SSDS_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7161) 			if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7162) 				ioc->mfg_pg10_hide_flag = hide_flag;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7163) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7164) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7165) 		ioc->wait_for_discovery_to_complete =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7166) 		    _base_determine_wait_on_discovery(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7168) 		return r; /* scan_start and scan_finished support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7169) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7171) 	r = _base_send_port_enable(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7172) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7173) 		return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7175) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7178) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7179)  * mpt3sas_base_free_resources - free resources controller resources
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7180)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7181)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7182) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7183) mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7184) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7185) 	dexitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7187) 	/* synchronizing freeing resource with pci_access_mutex lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7188) 	mutex_lock(&ioc->pci_access_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7189) 	if (ioc->chip_phys && ioc->chip) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7190) 		mpt3sas_base_mask_interrupts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7191) 		ioc->shost_recovery = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7192) 		_base_make_ioc_ready(ioc, SOFT_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7193) 		ioc->shost_recovery = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7196) 	mpt3sas_base_unmap_resources(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7197) 	mutex_unlock(&ioc->pci_access_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7198) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7199) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7201) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7202)  * mpt3sas_base_attach - attach controller instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7203)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7204)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7205)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7206)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7207) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7208) mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7210) 	int r, i, rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7211) 	int cpu_id, last_cpu_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7213) 	dinitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7215) 	/* setup cpu_msix_table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7216) 	ioc->cpu_count = num_online_cpus();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7217) 	for_each_online_cpu(cpu_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7218) 		last_cpu_id = cpu_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7219) 	ioc->cpu_msix_table_sz = last_cpu_id + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7220) 	ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7221) 	ioc->reply_queue_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7222) 	if (!ioc->cpu_msix_table) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7223) 		ioc_info(ioc, "Allocation for cpu_msix_table failed!!!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7224) 		r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7225) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7226) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7228) 	if (ioc->is_warpdrive) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7229) 		ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7230) 		    sizeof(resource_size_t *), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7231) 		if (!ioc->reply_post_host_index) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7232) 			ioc_info(ioc, "Allocation for reply_post_host_index failed!!!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7233) 			r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7234) 			goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7235) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7236) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7238) 	ioc->smp_affinity_enable = smp_affinity_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7239) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7240) 	ioc->rdpq_array_enable_assigned = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7241) 	ioc->use_32bit_dma = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7242) 	if (ioc->is_aero_ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7243) 		ioc->base_readl = &_base_readl_aero;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7244) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7245) 		ioc->base_readl = &_base_readl;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7246) 	r = mpt3sas_base_map_resources(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7247) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7248) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7250) 	pci_set_drvdata(ioc->pdev, ioc->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7251) 	r = _base_get_ioc_facts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7252) 	if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7253) 		rc = _base_check_for_fault_and_issue_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7254) 		if (rc || (_base_get_ioc_facts(ioc)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7255) 			goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7256) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7258) 	switch (ioc->hba_mpi_version_belonged) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7259) 	case MPI2_VERSION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7260) 		ioc->build_sg_scmd = &_base_build_sg_scmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7261) 		ioc->build_sg = &_base_build_sg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7262) 		ioc->build_zero_len_sge = &_base_build_zero_len_sge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7263) 		ioc->get_msix_index_for_smlio = &_base_get_msix_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7264) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7265) 	case MPI25_VERSION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7266) 	case MPI26_VERSION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7267) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7268) 		 * In SAS3.0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7269) 		 * SCSI_IO, SMP_PASSTHRU, SATA_PASSTHRU, Target Assist, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7270) 		 * Target Status - all require the IEEE formated scatter gather
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7271) 		 * elements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7272) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7273) 		ioc->build_sg_scmd = &_base_build_sg_scmd_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7274) 		ioc->build_sg = &_base_build_sg_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7275) 		ioc->build_nvme_prp = &_base_build_nvme_prp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7276) 		ioc->build_zero_len_sge = &_base_build_zero_len_sge_ieee;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7277) 		ioc->sge_size_ieee = sizeof(Mpi2IeeeSgeSimple64_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7278) 		if (ioc->high_iops_queues)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7279) 			ioc->get_msix_index_for_smlio =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7280) 					&_base_get_high_iops_msix_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7281) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7282) 			ioc->get_msix_index_for_smlio = &_base_get_msix_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7283) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7284) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7285) 	if (ioc->atomic_desc_capable) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7286) 		ioc->put_smid_default = &_base_put_smid_default_atomic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7287) 		ioc->put_smid_scsi_io = &_base_put_smid_scsi_io_atomic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7288) 		ioc->put_smid_fast_path =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7289) 				&_base_put_smid_fast_path_atomic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7290) 		ioc->put_smid_hi_priority =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7291) 				&_base_put_smid_hi_priority_atomic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7292) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7293) 		ioc->put_smid_default = &_base_put_smid_default;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7294) 		ioc->put_smid_fast_path = &_base_put_smid_fast_path;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7295) 		ioc->put_smid_hi_priority = &_base_put_smid_hi_priority;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7296) 		if (ioc->is_mcpu_endpoint)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7297) 			ioc->put_smid_scsi_io =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7298) 				&_base_put_smid_mpi_ep_scsi_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7299) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7300) 			ioc->put_smid_scsi_io = &_base_put_smid_scsi_io;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7301) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7302) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7303) 	 * These function pointers for other requests that don't
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7304) 	 * the require IEEE scatter gather elements.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7305) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7306) 	 * For example Configuration Pages and SAS IOUNIT Control don't.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7307) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7308) 	ioc->build_sg_mpi = &_base_build_sg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7309) 	ioc->build_zero_len_sge_mpi = &_base_build_zero_len_sge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7311) 	r = _base_make_ioc_ready(ioc, SOFT_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7312) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7313) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7315) 	ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7316) 	    sizeof(struct mpt3sas_port_facts), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7317) 	if (!ioc->pfacts) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7318) 		r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7319) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7320) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7322) 	for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7323) 		r = _base_get_port_facts(ioc, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7324) 		if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7325) 			rc = _base_check_for_fault_and_issue_reset(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7326) 			if (rc || (_base_get_port_facts(ioc, i)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7327) 				goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7328) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7329) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7330) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7331) 	r = _base_allocate_memory_pools(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7332) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7333) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7335) 	if (irqpoll_weight > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7336) 		ioc->thresh_hold = irqpoll_weight;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7337) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7338) 		ioc->thresh_hold = ioc->hba_queue_depth/4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7340) 	_base_init_irqpolls(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7341) 	init_waitqueue_head(&ioc->reset_wq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7343) 	/* allocate memory pd handle bitmask list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7344) 	ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7345) 	if (ioc->facts.MaxDevHandle % 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7346) 		ioc->pd_handles_sz++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7347) 	ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7348) 	    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7349) 	if (!ioc->pd_handles) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7350) 		r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7351) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7352) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7353) 	ioc->blocking_handles = kzalloc(ioc->pd_handles_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7354) 	    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7355) 	if (!ioc->blocking_handles) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7356) 		r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7357) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7358) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7360) 	/* allocate memory for pending OS device add list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7361) 	ioc->pend_os_device_add_sz = (ioc->facts.MaxDevHandle / 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7362) 	if (ioc->facts.MaxDevHandle % 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7363) 		ioc->pend_os_device_add_sz++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7364) 	ioc->pend_os_device_add = kzalloc(ioc->pend_os_device_add_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7365) 	    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7366) 	if (!ioc->pend_os_device_add) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7367) 		r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7368) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7369) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7371) 	ioc->device_remove_in_progress_sz = ioc->pend_os_device_add_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7372) 	ioc->device_remove_in_progress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7373) 		kzalloc(ioc->device_remove_in_progress_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7374) 	if (!ioc->device_remove_in_progress) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7375) 		r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7376) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7377) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7379) 	ioc->fwfault_debug = mpt3sas_fwfault_debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7381) 	/* base internal command bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7382) 	mutex_init(&ioc->base_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7383) 	ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7384) 	ioc->base_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7386) 	/* port_enable command bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7387) 	ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7388) 	ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7390) 	/* transport internal command bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7391) 	ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7392) 	ioc->transport_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7393) 	mutex_init(&ioc->transport_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7395) 	/* scsih internal command bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7396) 	ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7397) 	ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7398) 	mutex_init(&ioc->scsih_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7400) 	/* task management internal command bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7401) 	ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7402) 	ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7403) 	mutex_init(&ioc->tm_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7404) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7405) 	/* config page internal command bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7406) 	ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7407) 	ioc->config_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7408) 	mutex_init(&ioc->config_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7409) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7410) 	/* ctl module internal command bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7411) 	ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7412) 	ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7413) 	ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7414) 	mutex_init(&ioc->ctl_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7416) 	if (!ioc->base_cmds.reply || !ioc->port_enable_cmds.reply ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7417) 	    !ioc->transport_cmds.reply || !ioc->scsih_cmds.reply ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7418) 	    !ioc->tm_cmds.reply || !ioc->config_cmds.reply ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7419) 	    !ioc->ctl_cmds.reply || !ioc->ctl_cmds.sense) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7420) 		r = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7421) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7422) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7423) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7424) 	for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7425) 		ioc->event_masks[i] = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7427) 	/* here we enable the events we care about */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7428) 	_base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7429) 	_base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7430) 	_base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7431) 	_base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7432) 	_base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7433) 	_base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7434) 	_base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7435) 	_base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7436) 	_base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7437) 	_base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7438) 	_base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7439) 	_base_unmask_events(ioc, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7440) 	_base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7441) 	if (ioc->hba_mpi_version_belonged == MPI26_VERSION) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7442) 		if (ioc->is_gen35_ioc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7443) 			_base_unmask_events(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7444) 				MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7445) 			_base_unmask_events(ioc, MPI2_EVENT_PCIE_ENUMERATION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7446) 			_base_unmask_events(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7447) 				MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7448) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7449) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7450) 	r = _base_make_ioc_operational(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7451) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7452) 		goto out_free_resources;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7453) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7454) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7455) 	 * Copy current copy of IOCFacts in prev_fw_facts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7456) 	 * and it will be used during online firmware upgrade.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7457) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7458) 	memcpy(&ioc->prev_fw_facts, &ioc->facts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7459) 	    sizeof(struct mpt3sas_facts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7461) 	ioc->non_operational_loop = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7462) 	ioc->ioc_coredump_loop = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7463) 	ioc->got_task_abort_from_ioctl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7464) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7466)  out_free_resources:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7468) 	ioc->remove_host = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7470) 	mpt3sas_base_free_resources(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7471) 	_base_release_memory_pools(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7472) 	pci_set_drvdata(ioc->pdev, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7473) 	kfree(ioc->cpu_msix_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7474) 	if (ioc->is_warpdrive)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7475) 		kfree(ioc->reply_post_host_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7476) 	kfree(ioc->pd_handles);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7477) 	kfree(ioc->blocking_handles);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7478) 	kfree(ioc->device_remove_in_progress);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7479) 	kfree(ioc->pend_os_device_add);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7480) 	kfree(ioc->tm_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7481) 	kfree(ioc->transport_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7482) 	kfree(ioc->scsih_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7483) 	kfree(ioc->config_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7484) 	kfree(ioc->base_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7485) 	kfree(ioc->port_enable_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7486) 	kfree(ioc->ctl_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7487) 	kfree(ioc->ctl_cmds.sense);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7488) 	kfree(ioc->pfacts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7489) 	ioc->ctl_cmds.reply = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7490) 	ioc->base_cmds.reply = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7491) 	ioc->tm_cmds.reply = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7492) 	ioc->scsih_cmds.reply = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7493) 	ioc->transport_cmds.reply = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7494) 	ioc->config_cmds.reply = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7495) 	ioc->pfacts = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7496) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7497) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7498) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7500) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7501)  * mpt3sas_base_detach - remove controller instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7502)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7503)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7504) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7505) mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7506) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7507) 	dexitprintk(ioc, ioc_info(ioc, "%s\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7509) 	mpt3sas_base_stop_watchdog(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7510) 	mpt3sas_base_free_resources(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7511) 	_base_release_memory_pools(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7512) 	mpt3sas_free_enclosure_list(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7513) 	pci_set_drvdata(ioc->pdev, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7514) 	kfree(ioc->cpu_msix_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7515) 	if (ioc->is_warpdrive)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7516) 		kfree(ioc->reply_post_host_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7517) 	kfree(ioc->pd_handles);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7518) 	kfree(ioc->blocking_handles);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7519) 	kfree(ioc->device_remove_in_progress);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7520) 	kfree(ioc->pend_os_device_add);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7521) 	kfree(ioc->pfacts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7522) 	kfree(ioc->ctl_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7523) 	kfree(ioc->ctl_cmds.sense);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7524) 	kfree(ioc->base_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7525) 	kfree(ioc->port_enable_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7526) 	kfree(ioc->tm_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7527) 	kfree(ioc->transport_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7528) 	kfree(ioc->scsih_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7529) 	kfree(ioc->config_cmds.reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7530) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7532) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7533)  * _base_pre_reset_handler - pre reset handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7534)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7535)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7536) static void _base_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7537) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7538) 	mpt3sas_scsih_pre_reset_handler(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7539) 	mpt3sas_ctl_pre_reset_handler(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7540) 	dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_PRE_RESET\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7541) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7543) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7544)  * _base_clear_outstanding_mpt_commands - clears outstanding mpt commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7545)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7546)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7547) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7548) _base_clear_outstanding_mpt_commands(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7549) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7550) 	dtmprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7551) 	    ioc_info(ioc, "%s: clear outstanding mpt cmds\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7552) 	if (ioc->transport_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7553) 		ioc->transport_cmds.status |= MPT3_CMD_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7554) 		mpt3sas_base_free_smid(ioc, ioc->transport_cmds.smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7555) 		complete(&ioc->transport_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7556) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7557) 	if (ioc->base_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7558) 		ioc->base_cmds.status |= MPT3_CMD_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7559) 		mpt3sas_base_free_smid(ioc, ioc->base_cmds.smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7560) 		complete(&ioc->base_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7561) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7562) 	if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7563) 		ioc->port_enable_failed = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7564) 		ioc->port_enable_cmds.status |= MPT3_CMD_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7565) 		mpt3sas_base_free_smid(ioc, ioc->port_enable_cmds.smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7566) 		if (ioc->is_driver_loading) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7567) 			ioc->start_scan_failed =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7568) 				MPI2_IOCSTATUS_INTERNAL_ERROR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7569) 			ioc->start_scan = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7570) 			ioc->port_enable_cmds.status =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7571) 				MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7572) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7573) 			complete(&ioc->port_enable_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7574) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7575) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7576) 	if (ioc->config_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7577) 		ioc->config_cmds.status |= MPT3_CMD_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7578) 		mpt3sas_base_free_smid(ioc, ioc->config_cmds.smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7579) 		ioc->config_cmds.smid = USHRT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7580) 		complete(&ioc->config_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7581) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7582) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7584) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7585)  * _base_clear_outstanding_commands - clear all outstanding commands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7586)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7587)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7588) static void _base_clear_outstanding_commands(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7589) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7590) 	mpt3sas_scsih_clear_outstanding_scsi_tm_commands(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7591) 	mpt3sas_ctl_clear_outstanding_ioctls(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7592) 	_base_clear_outstanding_mpt_commands(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7593) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7595) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7596)  * _base_reset_done_handler - reset done handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7597)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7598)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7599) static void _base_reset_done_handler(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7600) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7601) 	mpt3sas_scsih_reset_done_handler(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7602) 	mpt3sas_ctl_reset_done_handler(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7603) 	dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_DONE_RESET\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7605) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7606) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7607)  * mpt3sas_wait_for_commands_to_complete - reset controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7608)  * @ioc: Pointer to MPT_ADAPTER structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7609)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7610)  * This function is waiting 10s for all pending commands to complete
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7611)  * prior to putting controller in reset.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7612)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7613) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7614) mpt3sas_wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7615) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7616) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7617) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7618) 	ioc->pending_io_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7619) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7620) 	ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7621) 	if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7622) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7624) 	/* pending command count */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7625) 	ioc->pending_io_count = scsi_host_busy(ioc->shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7626) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7627) 	if (!ioc->pending_io_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7628) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7629) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7630) 	/* wait for pending commands to complete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7631) 	wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7632) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7634) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7635)  * _base_check_ioc_facts_changes - Look for increase/decrease of IOCFacts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7636)  *     attributes during online firmware upgrade and update the corresponding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7637)  *     IOC variables accordingly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7638)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7639)  * @ioc: Pointer to MPT_ADAPTER structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7640)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7641) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7642) _base_check_ioc_facts_changes(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7643) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7644) 	u16 pd_handles_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7645) 	void *pd_handles = NULL, *blocking_handles = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7646) 	void *pend_os_device_add = NULL, *device_remove_in_progress = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7647) 	struct mpt3sas_facts *old_facts = &ioc->prev_fw_facts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7649) 	if (ioc->facts.MaxDevHandle > old_facts->MaxDevHandle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7650) 		pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7651) 		if (ioc->facts.MaxDevHandle % 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7652) 			pd_handles_sz++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7654) 		pd_handles = krealloc(ioc->pd_handles, pd_handles_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7655) 		    GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7656) 		if (!pd_handles) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7657) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7658) 			    "Unable to allocate the memory for pd_handles of sz: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7659) 			    pd_handles_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7660) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7661) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7662) 		memset(pd_handles + ioc->pd_handles_sz, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7663) 		    (pd_handles_sz - ioc->pd_handles_sz));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7664) 		ioc->pd_handles = pd_handles;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7665) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7666) 		blocking_handles = krealloc(ioc->blocking_handles,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7667) 		    pd_handles_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7668) 		if (!blocking_handles) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7669) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7670) 			    "Unable to allocate the memory for "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7671) 			    "blocking_handles of sz: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7672) 			    pd_handles_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7673) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7674) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7675) 		memset(blocking_handles + ioc->pd_handles_sz, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7676) 		    (pd_handles_sz - ioc->pd_handles_sz));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7677) 		ioc->blocking_handles = blocking_handles;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7678) 		ioc->pd_handles_sz = pd_handles_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7680) 		pend_os_device_add = krealloc(ioc->pend_os_device_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7681) 		    pd_handles_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7682) 		if (!pend_os_device_add) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7683) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7684) 			    "Unable to allocate the memory for pend_os_device_add of sz: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7685) 			    pd_handles_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7686) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7687) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7688) 		memset(pend_os_device_add + ioc->pend_os_device_add_sz, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7689) 		    (pd_handles_sz - ioc->pend_os_device_add_sz));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7690) 		ioc->pend_os_device_add = pend_os_device_add;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7691) 		ioc->pend_os_device_add_sz = pd_handles_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7693) 		device_remove_in_progress = krealloc(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7694) 		    ioc->device_remove_in_progress, pd_handles_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7695) 		if (!device_remove_in_progress) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7696) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7697) 			    "Unable to allocate the memory for "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7698) 			    "device_remove_in_progress of sz: %d\n "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7699) 			    , pd_handles_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7700) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7701) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7702) 		memset(device_remove_in_progress +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7703) 		    ioc->device_remove_in_progress_sz, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7704) 		    (pd_handles_sz - ioc->device_remove_in_progress_sz));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7705) 		ioc->device_remove_in_progress = device_remove_in_progress;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7706) 		ioc->device_remove_in_progress_sz = pd_handles_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7707) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7708) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7709) 	memcpy(&ioc->prev_fw_facts, &ioc->facts, sizeof(struct mpt3sas_facts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7710) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7713) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7714)  * mpt3sas_base_hard_reset_handler - reset controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7715)  * @ioc: Pointer to MPT_ADAPTER structure
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7716)  * @type: FORCE_BIG_HAMMER or SOFT_RESET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7717)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7718)  * Return: 0 for success, non-zero for failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7719)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7720) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7721) mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7722) 	enum reset_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7723) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7724) 	int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7725) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7726) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7727) 	u8 is_fault = 0, is_trigger = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7729) 	dtmprintk(ioc, ioc_info(ioc, "%s: enter\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7731) 	if (ioc->pci_error_recovery) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7732) 		ioc_err(ioc, "%s: pci error recovery reset\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7733) 		r = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7734) 		goto out_unlocked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7735) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7737) 	if (mpt3sas_fwfault_debug)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7738) 		mpt3sas_halt_firmware(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7740) 	/* wait for an active reset in progress to complete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7741) 	mutex_lock(&ioc->reset_in_progress_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7743) 	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7744) 	ioc->shost_recovery = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7745) 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7746) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7747) 	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7748) 	    MPT3_DIAG_BUFFER_IS_REGISTERED) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7749) 	    (!(ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7750) 	    MPT3_DIAG_BUFFER_IS_RELEASED))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7751) 		is_trigger = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7752) 		ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7753) 		if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7754) 		    (ioc_state & MPI2_IOC_STATE_MASK) ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7755) 		    MPI2_IOC_STATE_COREDUMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7756) 			is_fault = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7757) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7758) 	_base_pre_reset_handler(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7759) 	mpt3sas_wait_for_commands_to_complete(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7760) 	mpt3sas_base_mask_interrupts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7761) 	r = _base_make_ioc_ready(ioc, type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7762) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7763) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7764) 	_base_clear_outstanding_commands(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7765) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7766) 	/* If this hard reset is called while port enable is active, then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7767) 	 * there is no reason to call make_ioc_operational
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7768) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7769) 	if (ioc->is_driver_loading && ioc->port_enable_failed) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7770) 		ioc->remove_host = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7771) 		r = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7772) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7773) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7774) 	r = _base_get_ioc_facts(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7775) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7776) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7778) 	r = _base_check_ioc_facts_changes(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7779) 	if (r) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7780) 		ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7781) 		    "Some of the parameters got changed in this new firmware"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7782) 		    " image and it requires system reboot\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7783) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7784) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7785) 	if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7786) 		panic("%s: Issue occurred with flashing controller firmware."
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7787) 		      "Please reboot the system and ensure that the correct"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7788) 		      " firmware version is running\n", ioc->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7790) 	r = _base_make_ioc_operational(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7791) 	if (!r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7792) 		_base_reset_done_handler(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7793) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7794)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7795) 	ioc_info(ioc, "%s: %s\n", __func__, r == 0 ? "SUCCESS" : "FAILED");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7797) 	spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7798) 	ioc->shost_recovery = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7799) 	spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7800) 	ioc->ioc_reset_count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7801) 	mutex_unlock(&ioc->reset_in_progress_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7803)  out_unlocked:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7804) 	if ((r == 0) && is_trigger) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7805) 		if (is_fault)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7806) 			mpt3sas_trigger_master(ioc, MASTER_TRIGGER_FW_FAULT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7807) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7808) 			mpt3sas_trigger_master(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7809) 			    MASTER_TRIGGER_ADAPTER_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7810) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7811) 	dtmprintk(ioc, ioc_info(ioc, "%s: exit\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7812) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7813) }