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)  * Management Module Support for MPT (Message Passing Technology) based
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * controllers
^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_ctl.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/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) #include <linux/compat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) #include <linux/poll.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) #include "mpt3sas_base.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) #include "mpt3sas_ctl.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) static struct fasync_struct *async_queue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69)  * enum block_state - blocking state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70)  * @NON_BLOCKING: non blocking
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71)  * @BLOCKING: blocking
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73)  * These states are for ioctls that need to wait for a response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74)  * from firmware, so they probably require sleep.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) enum block_state {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) 	NON_BLOCKING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 	BLOCKING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82)  * _ctl_display_some_debug - debug routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85)  * @calling_function_name: string pass from calling function
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86)  * @mpi_reply: reply message frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87)  * Context: none.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89)  * Function for displaying debug info helpful when debugging issues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90)  * in this module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) static void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) 	char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 	Mpi2ConfigRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) 	char *desc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	if (!(ioc->logging_level & MPT_DEBUG_IOCTL))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	switch (mpi_request->Function) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	case MPI2_FUNCTION_SCSI_IO_REQUEST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 		Mpi2SCSIIORequest_t *scsi_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 		    (Mpi2SCSIIORequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 		snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 		    "scsi_io, cmd(0x%02x), cdb_len(%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 		    scsi_request->CDB.CDB32[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 		    le16_to_cpu(scsi_request->IoFlags) & 0xF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 		desc = ioc->tmp_string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 	case MPI2_FUNCTION_SCSI_TASK_MGMT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 		desc = "task_mgmt";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 	case MPI2_FUNCTION_IOC_INIT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 		desc = "ioc_init";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 	case MPI2_FUNCTION_IOC_FACTS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 		desc = "ioc_facts";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 	case MPI2_FUNCTION_CONFIG:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 		Mpi2ConfigRequest_t *config_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 		    (Mpi2ConfigRequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 		snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 		    "config, type(0x%02x), ext_type(0x%02x), number(%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 		    (config_request->Header.PageType &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 		     MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 		    config_request->Header.PageNumber);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 		desc = ioc->tmp_string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 	case MPI2_FUNCTION_PORT_FACTS:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 		desc = "port_facts";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	case MPI2_FUNCTION_PORT_ENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 		desc = "port_enable";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 	case MPI2_FUNCTION_EVENT_NOTIFICATION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 		desc = "event_notification";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 	case MPI2_FUNCTION_FW_DOWNLOAD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 		desc = "fw_download";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	case MPI2_FUNCTION_FW_UPLOAD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 		desc = "fw_upload";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	case MPI2_FUNCTION_RAID_ACTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 		desc = "raid_action";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 	case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 		Mpi2SCSIIORequest_t *scsi_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 		    (Mpi2SCSIIORequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 		snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 		    "raid_pass, cmd(0x%02x), cdb_len(%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 		    scsi_request->CDB.CDB32[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 		    le16_to_cpu(scsi_request->IoFlags) & 0xF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 		desc = ioc->tmp_string;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 	case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 		desc = "sas_iounit_cntl";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 	case MPI2_FUNCTION_SATA_PASSTHROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 		desc = "sata_pass";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 	case MPI2_FUNCTION_DIAG_BUFFER_POST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 		desc = "diag_buffer_post";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 	case MPI2_FUNCTION_DIAG_RELEASE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 		desc = "diag_release";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	case MPI2_FUNCTION_SMP_PASSTHROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 		desc = "smp_passthrough";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	case MPI2_FUNCTION_TOOLBOX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 		desc = "toolbox";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 	case MPI2_FUNCTION_NVME_ENCAPSULATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 		desc = "nvme_encapsulated";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 	if (!desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 	ioc_info(ioc, "%s: %s, smid(%d)\n", calling_function_name, desc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 	if (!mpi_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 		ioc_info(ioc, "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 			 le16_to_cpu(mpi_reply->IOCStatus),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 			 le32_to_cpu(mpi_reply->IOCLogInfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 	if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 	    mpi_request->Function ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	    MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 		Mpi2SCSIIOReply_t *scsi_reply =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 		    (Mpi2SCSIIOReply_t *)mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 		struct _sas_device *sas_device = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 		struct _pcie_device *pcie_device = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 		sas_device = mpt3sas_get_sdev_by_handle(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 		    le16_to_cpu(scsi_reply->DevHandle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 		if (sas_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 			ioc_warn(ioc, "\tsas_address(0x%016llx), phy(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 				 (u64)sas_device->sas_address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 				 sas_device->phy);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 			ioc_warn(ioc, "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 				 (u64)sas_device->enclosure_logical_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 				 sas_device->slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 			sas_device_put(sas_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 		if (!sas_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 			pcie_device = mpt3sas_get_pdev_by_handle(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 				le16_to_cpu(scsi_reply->DevHandle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 			if (pcie_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 				ioc_warn(ioc, "\tWWID(0x%016llx), port(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 					 (unsigned long long)pcie_device->wwid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 					 pcie_device->port_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 				if (pcie_device->enclosure_handle != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 					ioc_warn(ioc, "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 						 (u64)pcie_device->enclosure_logical_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 						 pcie_device->slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 				pcie_device_put(pcie_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 		if (scsi_reply->SCSIState || scsi_reply->SCSIStatus)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 			ioc_info(ioc, "\tscsi_state(0x%02x), scsi_status(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 				 scsi_reply->SCSIState,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 				 scsi_reply->SCSIStatus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245)  * mpt3sas_ctl_done - ctl module completion routine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247)  * @smid: system request message index
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248)  * @msix_index: MSIX table index supplied by the OS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249)  * @reply: reply message frame(lower 32bit addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250)  * Context: none.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252)  * The callback handler when using ioc->ctl_cb_idx.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254)  * Return: 1 meaning mf should be freed from _base_interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255)  *         0 means the mf is freed from this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 	u32 reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 	MPI2DefaultReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 	Mpi2SCSIIOReply_t *scsiio_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 	Mpi26NVMeEncapsulatedErrorReply_t *nvme_error_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 	const void *sense_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 	u32 sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 	if (ioc->ctl_cmds.status == MPT3_CMD_NOT_USED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 	if (ioc->ctl_cmds.smid != smid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 	ioc->ctl_cmds.status |= MPT3_CMD_COMPLETE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 	mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 	if (mpi_reply) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 		memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 		ioc->ctl_cmds.status |= MPT3_CMD_REPLY_VALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 		/* get sense data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 		if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 		    mpi_reply->Function ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 		    MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 			scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 			if (scsiio_reply->SCSIState &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 			    MPI2_SCSI_STATE_AUTOSENSE_VALID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 				sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 				    le32_to_cpu(scsiio_reply->SenseCount));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 				sense_data = mpt3sas_base_get_sense_buffer(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 				    smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 				memcpy(ioc->ctl_cmds.sense, sense_data, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 		 * Get Error Response data for NVMe device. The ctl_cmds.sense
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 		 * buffer is used to store the Error Response data.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 		if (mpi_reply->Function == MPI2_FUNCTION_NVME_ENCAPSULATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 			nvme_error_reply =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 			    (Mpi26NVMeEncapsulatedErrorReply_t *)mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 			sz = min_t(u32, NVME_ERROR_RESPONSE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 			    le16_to_cpu(nvme_error_reply->ErrorResponseCount));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 			sense_data = mpt3sas_base_get_sense_buffer(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 			memcpy(ioc->ctl_cmds.sense, sense_data, sz);
^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) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 	_ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 	ioc->ctl_cmds.status &= ~MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 	complete(&ioc->ctl_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311)  * _ctl_check_event_type - determines when an event needs logging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313)  * @event: firmware event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315)  * The bitmask in ioc->event_type[] indicates which events should be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316)  * be saved in the driver event_log.  This bitmask is set by application.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318)  * Return: 1 when event should be captured, or zero means no match.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) _ctl_check_event_type(struct MPT3SAS_ADAPTER *ioc, u16 event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 	u16 i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 	u32 desired_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 	if (event >= 128 || !event || !ioc->event_log)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 	desired_event = (1 << (event % 32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 	if (!desired_event)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 		desired_event = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 	i = event / 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 	return desired_event & ioc->event_type[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337)  * mpt3sas_ctl_add_to_event_log - add event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339)  * @mpi_reply: reply message frame
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) mpt3sas_ctl_add_to_event_log(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	Mpi2EventNotificationReply_t *mpi_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 	struct MPT3_IOCTL_EVENTS *event_log;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 	u16 event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 	u32 sz, event_data_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 	u8 send_aen = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 	if (!ioc->event_log)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 	event = le16_to_cpu(mpi_reply->Event);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) 	if (_ctl_check_event_type(ioc, event)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 		/* insert entry into circular event_log */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 		i = ioc->event_context % MPT3SAS_CTL_EVENT_LOG_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 		event_log = ioc->event_log;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 		event_log[i].event = event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 		event_log[i].context = ioc->event_context++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 		event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 		sz = min_t(u32, event_data_sz, MPT3_EVENT_DATA_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 		memset(event_log[i].data, 0, MPT3_EVENT_DATA_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 		memcpy(event_log[i].data, mpi_reply->EventData, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 		send_aen = 1;
^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) 	/* This aen_event_read_flag flag is set until the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 	 * application has read the event log.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 	 * For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 	if (event == MPI2_EVENT_LOG_ENTRY_ADDED ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 	    (send_aen && !ioc->aen_event_read_flag)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 		ioc->aen_event_read_flag = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 		wake_up_interruptible(&ctl_poll_wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 		if (async_queue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 			kill_fasync(&async_queue, SIGIO, POLL_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385)  * mpt3sas_ctl_event_callback - firmware event handler (called at ISR time)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387)  * @msix_index: MSIX table index supplied by the OS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388)  * @reply: reply message frame(lower 32bit addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389)  * Context: interrupt.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391)  * This function merely adds a new work task into ioc->firmware_event_thread.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392)  * The tasks are worked from _firmware_event_work in user context.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394)  * Return: 1 meaning mf should be freed from _base_interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395)  *         0 means the mf is freed from this function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 	u32 reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 	Mpi2EventNotificationReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 	mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 	if (mpi_reply)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 		mpt3sas_ctl_add_to_event_log(ioc, mpi_reply);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410)  * _ctl_verify_adapter - validates ioc_number passed from application
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411)  * @ioc_number: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412)  * @iocpp: The ioc pointer is returned in this.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413)  * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414)  * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416)  * Return: (-1) means error, else ioc_number.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) _ctl_verify_adapter(int ioc_number, struct MPT3SAS_ADAPTER **iocpp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 							int mpi_version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 	struct MPT3SAS_ADAPTER *ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 	int version = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 	/* global ioc lock to protect controller on list operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 	spin_lock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 	list_for_each_entry(ioc, &mpt3sas_ioc_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 		if (ioc->id != ioc_number)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 		/* Check whether this ioctl command is from right
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 		 * ioctl device or not, if not continue the search.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 		version = ioc->hba_mpi_version_belonged;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 		/* MPI25_VERSION and MPI26_VERSION uses same ioctl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 		 * device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 		if (mpi_version == (MPI25_VERSION | MPI26_VERSION)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 			if ((version == MPI25_VERSION) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 				(version == MPI26_VERSION))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 			if (version != mpi_version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 		spin_unlock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 		*iocpp = ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 		return ioc_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 	spin_unlock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 	*iocpp = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 	return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457)  * mpt3sas_ctl_reset_handler - reset callback handler (for ctl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460)  * The handler for doing any required cleanup or initialization.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) void mpt3sas_ctl_pre_reset_handler(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 	u8 issue_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 	dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_PRE_RESET\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 	for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 		if (!(ioc->diag_buffer_status[i] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 		      MPT3_DIAG_BUFFER_IS_REGISTERED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 		if ((ioc->diag_buffer_status[i] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 		     MPT3_DIAG_BUFFER_IS_RELEASED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 		 * add a log message to indicate the release
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) 		ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) 		    "%s: Releasing the trace buffer due to adapter reset.",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 		    __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 		mpt3sas_send_diag_release(ioc, i, &issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487)  * mpt3sas_ctl_reset_handler - clears outstanding ioctl cmd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490)  * The handler for doing any required cleanup or initialization.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492) void mpt3sas_ctl_clear_outstanding_ioctls(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494) 	dtmprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) 	    ioc_info(ioc, "%s: clear outstanding ioctl cmd\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) 	if (ioc->ctl_cmds.status & MPT3_CMD_PENDING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 		ioc->ctl_cmds.status |= MPT3_CMD_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 		mpt3sas_base_free_smid(ioc, ioc->ctl_cmds.smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 		complete(&ioc->ctl_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504)  * mpt3sas_ctl_reset_handler - reset callback handler (for ctl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507)  * The handler for doing any required cleanup or initialization.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) void mpt3sas_ctl_reset_done_handler(struct MPT3SAS_ADAPTER *ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 	dtmprintk(ioc, ioc_info(ioc, "%s: MPT3_IOC_DONE_RESET\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 	for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 		if (!(ioc->diag_buffer_status[i] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 		      MPT3_DIAG_BUFFER_IS_REGISTERED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 		if ((ioc->diag_buffer_status[i] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 		     MPT3_DIAG_BUFFER_IS_RELEASED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 		ioc->diag_buffer_status[i] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 			MPT3_DIAG_BUFFER_IS_DIAG_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528)  * _ctl_fasync -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529)  * @fd: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530)  * @filep: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531)  * @mode: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533)  * Called when application request fasyn callback handler.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) _ctl_fasync(int fd, struct file *filep, int mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 	return fasync_helper(fd, filep, mode, &async_queue);
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542)  * _ctl_poll -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543)  * @filep: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544)  * @wait: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) static __poll_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) _ctl_poll(struct file *filep, poll_table *wait)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 	struct MPT3SAS_ADAPTER *ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 	poll_wait(filep, &ctl_poll_wait, wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 	/* global ioc lock to protect controller on list operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 	spin_lock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 	list_for_each_entry(ioc, &mpt3sas_ioc_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 		if (ioc->aen_event_read_flag) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 			spin_unlock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 			return EPOLLIN | EPOLLRDNORM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 	spin_unlock(&gioc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) }
^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)  * _ctl_set_task_mid - assign an active smid to tm request
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569)  * @karg: (struct mpt3_ioctl_command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570)  * @tm_request: pointer to mf from user space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572)  * Return: 0 when an smid if found, else fail.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573)  * during failure, the reply frame is filled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) _ctl_set_task_mid(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command *karg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 	Mpi2SCSITaskManagementRequest_t *tm_request)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 	u8 found = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	u16 handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 	struct scsi_cmnd *scmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	struct MPT3SAS_DEVICE *priv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 	Mpi2SCSITaskManagementReply_t *tm_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 	u32 sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 	u32 lun;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 	char *desc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 	if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 		desc = "abort_task";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 	else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 		desc = "query_task";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 	lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 	handle = le16_to_cpu(tm_request->DevHandle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 	for (smid = ioc->scsiio_depth; smid && !found; smid--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 		struct scsiio_tracker *st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 		scmd = mpt3sas_scsih_scsi_lookup_get(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 		if (!scmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 		if (lun != scmd->device->lun)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 		priv_data = scmd->device->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 		if (priv_data->sas_target == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 		if (priv_data->sas_target->handle != handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 		st = scsi_cmd_priv(scmd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 		 * If the given TaskMID from the user space is zero, then the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 		 * first outstanding smid will be picked up.  Otherwise,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 		 * targeted smid will be the one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 		if (!tm_request->TaskMID || tm_request->TaskMID == st->smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 			tm_request->TaskMID = cpu_to_le16(st->smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 			found = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 	if (!found) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 		dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 			   ioc_info(ioc, "%s: handle(0x%04x), lun(%d), no active mid!!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 				    desc, le16_to_cpu(tm_request->DevHandle),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 				    lun));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 		tm_reply = ioc->ctl_cmds.reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 		tm_reply->DevHandle = tm_request->DevHandle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 		tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 		tm_reply->TaskType = tm_request->TaskType;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 		tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 		tm_reply->VP_ID = tm_request->VP_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 		tm_reply->VF_ID = tm_request->VF_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 		sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 		if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 		    sz))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 			pr_err("failure at %s:%d/%s()!\n", __FILE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 			    __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 	dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 		   ioc_info(ioc, "%s: handle(0x%04x), lun(%d), task_mid(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 			    desc, le16_to_cpu(tm_request->DevHandle), lun,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 			    le16_to_cpu(tm_request->TaskMID)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653)  * _ctl_do_mpt_command - main handler for MPT3COMMAND opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655)  * @karg: (struct mpt3_ioctl_command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656)  * @mf: pointer to mf in user space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 	void __user *mf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 	MPI2RequestHeader_t *mpi_request = NULL, *request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) 	MPI2DefaultReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664) 	Mpi26NVMeEncapsulatedRequest_t *nvme_encap_request = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665) 	struct _pcie_device *pcie_device = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 	unsigned long timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 	u8 issue_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 	u32 sz, sz_arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 	void *psge;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 	void *data_out = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) 	dma_addr_t data_out_dma = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 	size_t data_out_sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	void *data_in = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 	dma_addr_t data_in_dma = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 	size_t data_in_sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 	long ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 	u16 device_handle = MPT3SAS_INVALID_DEVICE_HANDLE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 	issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 	if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 		ioc_err(ioc, "%s: ctl_cmd in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 		ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	ret = mpt3sas_wait_for_ioc(ioc,	IOC_OPERATIONAL_WAIT_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 	mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 	if (!mpi_request) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) 		ioc_err(ioc, "%s: failed obtaining a memory for mpi_request\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696) 		ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 	/* Check for overflow and wraparound */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 	if (karg.data_sge_offset * 4 > ioc->request_sz ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 	    karg.data_sge_offset > (UINT_MAX / 4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 		ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 	/* copy in request message frame from user */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 	if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 		pr_err("failure at %s:%d/%s()!\n", __FILE__, __LINE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 		    __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 		ret = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 	if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 		smid = mpt3sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 		if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 			ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 			ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 		/* Use first reserved smid for passthrough ioctls */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 		smid = ioc->scsiio_depth - INTERNAL_SCSIIO_CMDS_COUNT + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 	ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 	ioc->ctl_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 	memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 	request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) 	memset(request, 0, ioc->request_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 	memcpy(request, mpi_request, karg.data_sge_offset*4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 	ioc->ctl_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 	data_out_sz = karg.data_out_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 	data_in_sz = karg.data_in_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 	if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	    mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	    mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	    mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	    mpi_request->Function == MPI2_FUNCTION_NVME_ENCAPSULATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 		device_handle = le16_to_cpu(mpi_request->FunctionDependent1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 		if (!device_handle || (device_handle >
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 		    ioc->facts.MaxDevHandle)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	/* obtain dma-able memory for data transfer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 	if (data_out_sz) /* WRITE */ {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 		data_out = dma_alloc_coherent(&ioc->pdev->dev, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 				&data_out_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 		if (!data_out) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 			pr_err("failure at %s:%d/%s()!\n", __FILE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 			    __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 		if (copy_from_user(data_out, karg.data_out_buf_ptr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 			data_out_sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 			pr_err("failure at %s:%d/%s()!\n", __FILE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 			    __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 			ret =  -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 	if (data_in_sz) /* READ */ {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 		data_in = dma_alloc_coherent(&ioc->pdev->dev, data_in_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 				&data_in_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 		if (!data_in) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 			pr_err("failure at %s:%d/%s()!\n", __FILE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 			    __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 			ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 	psge = (void *)request + (karg.data_sge_offset*4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 	/* send command to firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 	_ctl_display_some_debug(ioc, smid, "ctl_request", NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 	init_completion(&ioc->ctl_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 	switch (mpi_request->Function) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 	case MPI2_FUNCTION_NVME_ENCAPSULATED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 		nvme_encap_request = (Mpi26NVMeEncapsulatedRequest_t *)request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 		if (!ioc->pcie_sg_lookup) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 			dtmprintk(ioc, ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 			    "HBA doesn't support NVMe. Rejecting NVMe Encapsulated request.\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 			    ));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 			if (ioc->logging_level & MPT_DEBUG_TM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 				_debug_dump_mf(nvme_encap_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 				    ioc->request_sz/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 		 * Get the Physical Address of the sense buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 		 * Use Error Response buffer address field to hold the sense
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 		 * buffer address.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 		 * Clear the internal sense buffer, which will potentially hold
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 		 * the Completion Queue Entry on return, or 0 if no Entry.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 		 * Build the PRPs and set direction bits.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 		 * Send the request.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 		nvme_encap_request->ErrorResponseBaseAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 		    cpu_to_le64(ioc->sense_dma & 0xFFFFFFFF00000000UL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 		nvme_encap_request->ErrorResponseBaseAddress |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 		   cpu_to_le64(le32_to_cpu(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 		   mpt3sas_base_get_sense_buffer_dma(ioc, smid)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 		nvme_encap_request->ErrorResponseAllocationLength =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 					cpu_to_le16(NVME_ERROR_RESPONSE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 		memset(ioc->ctl_cmds.sense, 0, NVME_ERROR_RESPONSE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 		ioc->build_nvme_prp(ioc, smid, nvme_encap_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 		    data_out_dma, data_out_sz, data_in_dma, data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 		if (test_bit(device_handle, ioc->device_remove_in_progress)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 			dtmprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 				  ioc_info(ioc, "handle(0x%04x): ioctl failed due to device removal in progress\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 					   device_handle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 		mpt3sas_base_put_smid_nvme_encap(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 	case MPI2_FUNCTION_SCSI_IO_REQUEST:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 	case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 		Mpi2SCSIIORequest_t *scsiio_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 		    (Mpi2SCSIIORequest_t *)request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 		scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 		scsiio_request->SenseBufferLowAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 		    mpt3sas_base_get_sense_buffer_dma(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 		memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 		if (test_bit(device_handle, ioc->device_remove_in_progress)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 			dtmprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 				  ioc_info(ioc, "handle(0x%04x) :ioctl failed due to device removal in progress\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 					   device_handle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 		ioc->build_sg(ioc, psge, data_out_dma, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 		    data_in_dma, data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 		if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 			ioc->put_smid_scsi_io(ioc, smid, device_handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 			ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 	case MPI2_FUNCTION_SCSI_TASK_MGMT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 		Mpi2SCSITaskManagementRequest_t *tm_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 		    (Mpi2SCSITaskManagementRequest_t *)request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 		dtmprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 			  ioc_info(ioc, "TASK_MGMT: handle(0x%04x), task_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 				   le16_to_cpu(tm_request->DevHandle),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 				   tm_request->TaskType));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 		ioc->got_task_abort_from_ioctl = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 		if (tm_request->TaskType ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 		    MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 		    tm_request->TaskType ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 		    MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 			if (_ctl_set_task_mid(ioc, &karg, tm_request)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 				mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 				ioc->got_task_abort_from_ioctl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 		ioc->got_task_abort_from_ioctl = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 		if (test_bit(device_handle, ioc->device_remove_in_progress)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 			dtmprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 				  ioc_info(ioc, "handle(0x%04x) :ioctl failed due to device removal in progress\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 					   device_handle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 		mpt3sas_scsih_set_tm_flag(ioc, le16_to_cpu(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 		    tm_request->DevHandle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 		ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 		    data_in_dma, data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 		ioc->put_smid_hi_priority(ioc, smid, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 	case MPI2_FUNCTION_SMP_PASSTHROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 		Mpi2SmpPassthroughRequest_t *smp_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 		    (Mpi2SmpPassthroughRequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 		u8 *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 		/* ioc determines which port to use */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 		smp_request->PhysicalPort = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 		if (smp_request->PassthroughFlags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 		    MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 			data = (u8 *)&smp_request->SGL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 		else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 			if (unlikely(data_out == NULL)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 				pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) 				    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 				mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 				ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) 			data = data_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 		if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 			ioc->ioc_link_reset_in_progress = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 			ioc->ignore_loginfos = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 		ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 		    data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 		ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 	case MPI2_FUNCTION_SATA_PASSTHROUGH:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 		if (test_bit(device_handle, ioc->device_remove_in_progress)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 			dtmprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 				  ioc_info(ioc, "handle(0x%04x) :ioctl failed due to device removal in progress\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 					   device_handle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 		ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 		    data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 		ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 	case MPI2_FUNCTION_FW_DOWNLOAD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 	case MPI2_FUNCTION_FW_UPLOAD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 		ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 		    data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 		ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 	case MPI2_FUNCTION_TOOLBOX:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 		Mpi2ToolboxCleanRequest_t *toolbox_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 			(Mpi2ToolboxCleanRequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 		if ((toolbox_request->Tool == MPI2_TOOLBOX_DIAGNOSTIC_CLI_TOOL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 		    || (toolbox_request->Tool ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 		    MPI26_TOOLBOX_BACKEND_PCIE_LANE_MARGIN))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 			ioc->build_sg(ioc, psge, data_out_dma, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 				data_in_dma, data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 		else if (toolbox_request->Tool ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 				MPI2_TOOLBOX_MEMORY_MOVE_TOOL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 			Mpi2ToolboxMemMoveRequest_t *mem_move_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 					(Mpi2ToolboxMemMoveRequest_t *)request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 			Mpi2SGESimple64_t tmp, *src = NULL, *dst = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 			ioc->build_sg_mpi(ioc, psge, data_out_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 					data_out_sz, data_in_dma, data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 			if (data_out_sz && !data_in_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 				dst =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 				    (Mpi2SGESimple64_t *)&mem_move_request->SGL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 				src = (void *)dst + ioc->sge_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 				memcpy(&tmp, src, ioc->sge_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 				memcpy(src, dst, ioc->sge_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 				memcpy(dst, &tmp, ioc->sge_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 			if (ioc->logging_level & MPT_DEBUG_TM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 				ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 				  "Mpi2ToolboxMemMoveRequest_t request msg\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 				_debug_dump_mf(mem_move_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 							ioc->request_sz/4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 			ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 			    data_in_dma, data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 		ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 	case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 		Mpi2SasIoUnitControlRequest_t *sasiounit_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 		    (Mpi2SasIoUnitControlRequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 		if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 		    || sasiounit_request->Operation ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 		    MPI2_SAS_OP_PHY_LINK_RESET) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 			ioc->ioc_link_reset_in_progress = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 			ioc->ignore_loginfos = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 		/* drop to default case for posting the request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 		fallthrough;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 		ioc->build_sg_mpi(ioc, psge, data_out_dma, data_out_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 		    data_in_dma, data_in_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 		ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 	if (karg.timeout < MPT3_IOCTL_DEFAULT_TIMEOUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 		timeout = MPT3_IOCTL_DEFAULT_TIMEOUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 		timeout = karg.timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 	wait_for_completion_timeout(&ioc->ctl_cmds.done, timeout*HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 	if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 		Mpi2SCSITaskManagementRequest_t *tm_request =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 		    (Mpi2SCSITaskManagementRequest_t *)mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 		mpt3sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 		    tm_request->DevHandle));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 		mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 	} else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 	    mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 		ioc->ioc_link_reset_in_progress) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 		ioc->ioc_link_reset_in_progress = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 		ioc->ignore_loginfos = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 	if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 		mpt3sas_check_cmd_timeout(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 		    ioc->ctl_cmds.status, mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 		    karg.data_sge_offset, issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 		goto issue_host_reset;
^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) 	mpi_reply = ioc->ctl_cmds.reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 	if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 	    (ioc->logging_level & MPT_DEBUG_TM)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 		Mpi2SCSITaskManagementReply_t *tm_reply =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 		    (Mpi2SCSITaskManagementReply_t *)mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 		ioc_info(ioc, "TASK_MGMT: IOCStatus(0x%04x), IOCLogInfo(0x%08x), TerminationCount(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 			 le16_to_cpu(tm_reply->IOCStatus),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 			 le32_to_cpu(tm_reply->IOCLogInfo),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 			 le32_to_cpu(tm_reply->TerminationCount));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 	/* copy out xdata to user */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 	if (data_in_sz) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 		if (copy_to_user(karg.data_in_buf_ptr, data_in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 		    data_in_sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 			pr_err("failure at %s:%d/%s()!\n", __FILE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 			    __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 			ret = -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 	/* copy out reply message frame to user */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 	if (karg.max_reply_bytes) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 		sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 		if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 		    sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 			pr_err("failure at %s:%d/%s()!\n", __FILE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 			    __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 			ret = -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 	/* copy out sense/NVMe Error Response to user */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 	if (karg.max_sense_bytes && (mpi_request->Function ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 	    MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 	    MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || mpi_request->Function ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 	    MPI2_FUNCTION_NVME_ENCAPSULATED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 		if (karg.sense_data_ptr == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 			ioc_info(ioc, "Response buffer provided by application is NULL; Response data will not be returned\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 		sz_arg = (mpi_request->Function ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 		MPI2_FUNCTION_NVME_ENCAPSULATED) ? NVME_ERROR_RESPONSE_SIZE :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 							SCSI_SENSE_BUFFERSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 		sz = min_t(u32, karg.max_sense_bytes, sz_arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 		if (copy_to_user(karg.sense_data_ptr, ioc->ctl_cmds.sense,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 		    sz)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 			pr_err("failure at %s:%d/%s()!\n", __FILE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 				__LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) 			ret = -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095)  issue_host_reset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 	if (issue_reset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 		ret = -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 		if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 		    mpi_request->Function ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 		    MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 		    mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) 			ioc_info(ioc, "issue target reset: handle = (0x%04x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) 				 le16_to_cpu(mpi_request->FunctionDependent1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104) 			mpt3sas_halt_firmware(ioc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) 			pcie_device = mpt3sas_get_pdev_by_handle(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) 				le16_to_cpu(mpi_request->FunctionDependent1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) 			if (pcie_device && (!ioc->tm_custom_handling) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) 			    (!(mpt3sas_scsih_is_pcie_scsi_device(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) 			    pcie_device->device_info))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) 				mpt3sas_scsih_issue_locked_tm(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 				  le16_to_cpu(mpi_request->FunctionDependent1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) 				  0, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 				  MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 				  0, pcie_device->reset_timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 			MPI26_SCSITASKMGMT_MSGFLAGS_PROTOCOL_LVL_RST_PCIE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 				mpt3sas_scsih_issue_locked_tm(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 				  le16_to_cpu(mpi_request->FunctionDependent1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 				  0, 0, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 				  MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 				  0, 30, MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 		} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 			mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 	if (pcie_device)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 		pcie_device_put(pcie_device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 	/* free memory associated with sg buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 	if (data_in)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 		dma_free_coherent(&ioc->pdev->dev, data_in_sz, data_in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 		    data_in_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 	if (data_out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 		dma_free_coherent(&ioc->pdev->dev, data_out_sz, data_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 		    data_out_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 	kfree(mpi_request);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 	ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145)  * _ctl_getiocinfo - main handler for MPT3IOCINFO opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 	struct mpt3_ioctl_iocinfo karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 	dctlprintk(ioc, ioc_info(ioc, "%s: enter\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 	memset(&karg, 0 , sizeof(karg));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	if (ioc->pfacts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 		karg.port_number = ioc->pfacts[0].PortNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 	karg.hw_rev = ioc->pdev->revision;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 	karg.pci_id = ioc->pdev->device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 	karg.subsystem_device = ioc->pdev->subsystem_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 	karg.subsystem_vendor = ioc->pdev->subsystem_vendor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 	karg.pci_information.u.bits.bus = ioc->pdev->bus->number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 	karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 	karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 	karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 	karg.firmware_version = ioc->facts.FWVersion.Word;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 	strcpy(karg.driver_version, ioc->driver_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 	strcat(karg.driver_version, "-");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 	switch  (ioc->hba_mpi_version_belonged) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 	case MPI2_VERSION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 		if (ioc->is_warpdrive)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 			karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 			karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 		strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 	case MPI25_VERSION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 	case MPI26_VERSION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 		if (ioc->is_gen35_ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 			karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS35;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 			karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 		strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 	karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 	if (copy_to_user(arg, &karg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199)  * _ctl_eventquery - main handler for MPT3EVENTQUERY opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) _ctl_eventquery(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 	struct mpt3_ioctl_eventquery karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 	dctlprintk(ioc, ioc_info(ioc, "%s: enter\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 	karg.event_entries = MPT3SAS_CTL_EVENT_LOG_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 	memcpy(karg.event_types, ioc->event_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 	    MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 	if (copy_to_user(arg, &karg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230)  * _ctl_eventenable - main handler for MPT3EVENTENABLE opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) _ctl_eventenable(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 	struct mpt3_ioctl_eventenable karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 	dctlprintk(ioc, ioc_info(ioc, "%s: enter\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 	memcpy(ioc->event_type, karg.event_types,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 	    MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 	mpt3sas_base_validate_event_type(ioc, ioc->event_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 	if (ioc->event_log)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 	/* initialize event_log */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 	ioc->event_context = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 	ioc->aen_event_read_flag = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 	ioc->event_log = kcalloc(MPT3SAS_CTL_EVENT_LOG_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 	    sizeof(struct MPT3_IOCTL_EVENTS), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 	if (!ioc->event_log) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268)  * _ctl_eventreport - main handler for MPT3EVENTREPORT opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) _ctl_eventreport(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 	struct mpt3_ioctl_eventreport karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 	u32 number_bytes, max_events, max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 	struct mpt3_ioctl_eventreport __user *uarg = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 	dctlprintk(ioc, ioc_info(ioc, "%s: enter\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 	number_bytes = karg.hdr.max_data_size -
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 	    sizeof(struct mpt3_ioctl_header);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 	max_events = number_bytes/sizeof(struct MPT3_IOCTL_EVENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) 	max = min_t(u32, MPT3SAS_CTL_EVENT_LOG_SIZE, max_events);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) 	/* If fewer than 1 event is requested, there must have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 	 * been some type of error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 	if (!max || !ioc->event_log)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 		return -ENODATA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 	number_bytes = max * sizeof(struct MPT3_IOCTL_EVENTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 		return -EFAULT;
^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) 	/* reset flag so SIGIO can restart */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 	ioc->aen_event_read_flag = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 	return 0;
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312)  * _ctl_do_reset - main handler for MPT3HARDRESET opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) _ctl_do_reset(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 	struct mpt3_ioctl_diag_reset karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 	int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 	if (ioc->shost_recovery || ioc->pci_error_recovery ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 	    ioc->is_driver_loading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 		return -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 	dctlprintk(ioc, ioc_info(ioc, "%s: enter\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 	retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 	ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 	    "Ioctl: host reset: %s\n", ((!retval) ? "SUCCESS" : "FAILED"));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342)  * _ctl_btdh_search_sas_device - searching for sas device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344)  * @btdh: btdh ioctl payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) _ctl_btdh_search_sas_device(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 	struct mpt3_ioctl_btdh_mapping *btdh)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 	struct _sas_device *sas_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 	int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 	if (list_empty(&ioc->sas_device_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 	spin_lock_irqsave(&ioc->sas_device_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 	list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 		if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 		    btdh->handle == sas_device->handle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 			btdh->bus = sas_device->channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 			btdh->id = sas_device->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 		} else if (btdh->bus == sas_device->channel && btdh->id ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 		    sas_device->id && btdh->handle == 0xFFFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 			btdh->handle = sas_device->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 	spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378)  * _ctl_btdh_search_pcie_device - searching for pcie device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380)  * @btdh: btdh ioctl payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) _ctl_btdh_search_pcie_device(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	struct mpt3_ioctl_btdh_mapping *btdh)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 	struct _pcie_device *pcie_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 	int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	if (list_empty(&ioc->pcie_device_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 	spin_lock_irqsave(&ioc->pcie_device_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 	list_for_each_entry(pcie_device, &ioc->pcie_device_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 		if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 			   btdh->handle == pcie_device->handle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 			btdh->bus = pcie_device->channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 			btdh->id = pcie_device->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 		} else if (btdh->bus == pcie_device->channel && btdh->id ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 			   pcie_device->id && btdh->handle == 0xFFFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 			btdh->handle = pcie_device->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 	spin_unlock_irqrestore(&ioc->pcie_device_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414)  * _ctl_btdh_search_raid_device - searching for raid device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416)  * @btdh: btdh ioctl payload
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) _ctl_btdh_search_raid_device(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 	struct mpt3_ioctl_btdh_mapping *btdh)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 	struct _raid_device *raid_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 	int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 	if (list_empty(&ioc->raid_device_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 		return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 	spin_lock_irqsave(&ioc->raid_device_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 	list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 		if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 		    btdh->handle == raid_device->handle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 			btdh->bus = raid_device->channel;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 			btdh->id = raid_device->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 		} else if (btdh->bus == raid_device->channel && btdh->id ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 		    raid_device->id && btdh->handle == 0xFFFF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 			btdh->handle = raid_device->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 	spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450)  * _ctl_btdh_mapping - main handler for MPT3BTDHMAPPING opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) _ctl_btdh_mapping(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 	struct mpt3_ioctl_btdh_mapping karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 		return -EFAULT;
^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) 	dctlprintk(ioc, ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 	rc = _ctl_btdh_search_sas_device(ioc, &karg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 	if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 		rc = _ctl_btdh_search_pcie_device(ioc, &karg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 	if (!rc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 		_ctl_btdh_search_raid_device(ioc, &karg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	if (copy_to_user(arg, &karg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) }
^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)  * _ctl_diag_capability - return diag buffer capability
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486)  * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488)  * returns 1 when diag buffer support is enabled in firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) static u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) _ctl_diag_capability(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 	u8 rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 	switch (buffer_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 	case MPI2_DIAG_BUF_TYPE_TRACE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 		if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 		    MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 	case MPI2_DIAG_BUF_TYPE_SNAPSHOT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 		if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 		    MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 	case MPI2_DIAG_BUF_TYPE_EXTENDED:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 		if (ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 		    MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 			rc = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516)  * _ctl_diag_get_bufftype - return diag buffer type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517)  *              either TRACE, SNAPSHOT, or EXTENDED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519)  * @unique_id: specifies the unique_id for the buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521)  * returns MPT3_DIAG_UID_NOT_FOUND if the id not found
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) static u8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) _ctl_diag_get_bufftype(struct MPT3SAS_ADAPTER *ioc, u32 unique_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 	u8  index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 	for (index = 0; index < MPI2_DIAG_BUF_TYPE_COUNT; index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 		if (ioc->unique_id[index] == unique_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 			return index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 	return MPT3_DIAG_UID_NOT_FOUND;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537)  * _ctl_diag_register_2 - wrapper for registering diag buffer support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539)  * @diag_register: the diag_register struct passed in from user space
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 	struct mpt3_diag_register *diag_register)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 	int rc, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 	void *request_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	dma_addr_t request_data_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 	u32 request_data_sz = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 	Mpi2DiagBufferPostRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 	Mpi2DiagBufferPostReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 	u8 buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 	u8 issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 	dctlprintk(ioc, ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 	ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 	if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 		ioc_err(ioc, "%s: failed due to ioc not operational\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 	if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 		ioc_err(ioc, "%s: ctl_cmd in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 	buffer_type = diag_register->buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 	if (!_ctl_diag_capability(ioc, buffer_type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 		ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 		return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 	if (diag_register->unique_id == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 		ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 		    "%s: Invalid UID(0x%08x), buffer_type(0x%02x)\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 		    diag_register->unique_id, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 	    MPT3_DIAG_BUFFER_IS_APP_OWNED) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 	    !(ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 	    MPT3_DIAG_BUFFER_IS_RELEASED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 		ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 		    "%s: buffer_type(0x%02x) is already registered by application with UID(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 		    __func__, buffer_type, ioc->unique_id[buffer_type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 	if (ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 	    MPT3_DIAG_BUFFER_IS_REGISTERED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 		 * If driver posts buffer initially, then an application wants
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 		 * to Register that buffer (own it) without Releasing first,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 		 * the application Register command MUST have the same buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 		 * type and size in the Register command (obtained from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 		 * Query command). Otherwise that Register command will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 		 * failed. If the application has released the buffer but wants
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 		 * to re-register it, it should be allowed as long as the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 		 * Unique-Id/Size match.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 		if (ioc->unique_id[buffer_type] == MPT3DIAGBUFFUNIQUEID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 		    ioc->diag_buffer_sz[buffer_type] ==
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 		    diag_register->requested_buffer_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 			if (!(ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 			     MPT3_DIAG_BUFFER_IS_RELEASED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 				dctlprintk(ioc, ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 				    "%s: diag_buffer (%d) ownership changed. old-ID(0x%08x), new-ID(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 				    __func__, buffer_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 				    ioc->unique_id[buffer_type],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 				    diag_register->unique_id));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 				 * Application wants to own the buffer with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 				 * the same size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 				ioc->unique_id[buffer_type] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 				    diag_register->unique_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 				rc = 0; /* success */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 				goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 		} else if (ioc->unique_id[buffer_type] !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 		    MPT3DIAGBUFFUNIQUEID) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 			if (ioc->unique_id[buffer_type] !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 			    diag_register->unique_id ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 			    ioc->diag_buffer_sz[buffer_type] !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 			    diag_register->requested_buffer_size ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 			    !(ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 			    MPT3_DIAG_BUFFER_IS_RELEASED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 				ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 				    "%s: already has a registered buffer for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 				    __func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 				return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 			ioc_err(ioc, "%s: already has a registered buffer for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 			    __func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 	} else if (ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 	    MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 		if (ioc->unique_id[buffer_type] != MPT3DIAGBUFFUNIQUEID ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 		    ioc->diag_buffer_sz[buffer_type] !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 		    diag_register->requested_buffer_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 			ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 			    "%s: already a buffer is allocated for buffer_type(0x%02x) of size %d bytes, so please try registering again with same size\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 			     __func__, buffer_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 			    ioc->diag_buffer_sz[buffer_type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	if (diag_register->requested_buffer_size % 4)  {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 		ioc_err(ioc, "%s: the requested_buffer_size is not 4 byte aligned\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 	smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 	rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 	ioc->ctl_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 	memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 	ioc->ctl_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 	request_data = ioc->diag_buffer[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 	request_data_sz = diag_register->requested_buffer_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 	ioc->unique_id[buffer_type] = diag_register->unique_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 	ioc->diag_buffer_status[buffer_type] &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 	    MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 	memcpy(ioc->product_specific[buffer_type],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 	    diag_register->product_specific, MPT3_PRODUCT_SPECIFIC_DWORDS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 	ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	if (request_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 		request_data_dma = ioc->diag_buffer_dma[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 		if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 			dma_free_coherent(&ioc->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 					ioc->diag_buffer_sz[buffer_type],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 					request_data, request_data_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 			request_data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 	if (request_data == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 		ioc->diag_buffer_sz[buffer_type] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 		ioc->diag_buffer_dma[buffer_type] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 		request_data = dma_alloc_coherent(&ioc->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 				request_data_sz, &request_data_dma, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 		if (request_data == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 			ioc_err(ioc, "%s: failed allocating memory for diag buffers, requested size(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 				__func__, request_data_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 			mpt3sas_base_free_smid(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 			rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 		ioc->diag_buffer[buffer_type] = request_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 		ioc->diag_buffer_sz[buffer_type] = request_data_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 		ioc->diag_buffer_dma[buffer_type] = request_data_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 	mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 	mpi_request->BufferType = diag_register->buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 	mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 	mpi_request->BufferAddress = cpu_to_le64(request_data_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 	mpi_request->BufferLength = cpu_to_le32(request_data_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 	mpi_request->VF_ID = 0; /* TODO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 	mpi_request->VP_ID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 	dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 		   ioc_info(ioc, "%s: diag_buffer(0x%p), dma(0x%llx), sz(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 			    __func__, request_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 			    (unsigned long long)request_data_dma,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) 			    le32_to_cpu(mpi_request->BufferLength)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 	for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 		mpi_request->ProductSpecific[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 			cpu_to_le32(ioc->product_specific[buffer_type][i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 	init_completion(&ioc->ctl_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 	wait_for_completion_timeout(&ioc->ctl_cmds.done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 	    MPT3_IOCTL_DEFAULT_TIMEOUT*HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 	if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 		mpt3sas_check_cmd_timeout(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 		    ioc->ctl_cmds.status, mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 		    sizeof(Mpi2DiagBufferPostRequest_t)/4, issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 		goto issue_host_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 	/* process the completed Reply Message Frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 	if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 		ioc_err(ioc, "%s: no reply message\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 		rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 	mpi_reply = ioc->ctl_cmds.reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 	ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 	if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 		ioc->diag_buffer_status[buffer_type] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 			MPT3_DIAG_BUFFER_IS_REGISTERED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 		dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 		ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 			 __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 			 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 		rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772)  issue_host_reset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 	if (issue_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 		mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 	if (rc && request_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 		dma_free_coherent(&ioc->pdev->dev, request_data_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 		    request_data, request_data_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 		ioc->diag_buffer_status[buffer_type] &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 		    ~MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 	ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790)  * mpt3sas_enable_diag_buffer - enabling diag_buffers support driver load time
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792)  * @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794)  * This is called when command line option diag_buffer_enable is enabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795)  * at driver load time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) mpt3sas_enable_diag_buffer(struct MPT3SAS_ADAPTER *ioc, u8 bits_to_register)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 	struct mpt3_diag_register diag_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 	u32 ret_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 	u32 trace_buff_size = ioc->manu_pg11.HostTraceBufferMaxSizeKB<<10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 	u32 min_trace_buff_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 	u32 decr_trace_buff_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 	memset(&diag_register, 0, sizeof(struct mpt3_diag_register));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 	if (bits_to_register & 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 		ioc_info(ioc, "registering trace buffer support\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 		ioc->diag_trigger_master.MasterData =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 		    (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 		diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 		diag_register.unique_id =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 		    (ioc->hba_mpi_version_belonged == MPI2_VERSION) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 		    (MPT2DIAGBUFFUNIQUEID):(MPT3DIAGBUFFUNIQUEID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) 		if (trace_buff_size != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 			diag_register.requested_buffer_size = trace_buff_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 			min_trace_buff_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 			    ioc->manu_pg11.HostTraceBufferMinSizeKB<<10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 			decr_trace_buff_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 			    ioc->manu_pg11.HostTraceBufferDecrementSizeKB<<10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 			if (min_trace_buff_size > trace_buff_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 				/* The buff size is not set correctly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 				ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 				    "Min Trace Buff size (%d KB) greater than Max Trace Buff size (%d KB)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 				     min_trace_buff_size>>10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 				     trace_buff_size>>10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 				ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 				    "Using zero Min Trace Buff Size\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 				min_trace_buff_size = 0;
^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) 			if (decr_trace_buff_size == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 				/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 				 * retry the min size if decrement
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 				 * is not available.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 				decr_trace_buff_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 				    trace_buff_size - min_trace_buff_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 			/* register for 2MB buffers  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 			diag_register.requested_buffer_size = 2 * (1024 * 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 		do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 			ret_val = _ctl_diag_register_2(ioc,  &diag_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 			if (ret_val == -ENOMEM && min_trace_buff_size &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 			    (trace_buff_size - decr_trace_buff_size) >=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 			    min_trace_buff_size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 				/* adjust the buffer size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 				trace_buff_size -= decr_trace_buff_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 				diag_register.requested_buffer_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) 				    trace_buff_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 			} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 		} while (true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 		if (ret_val == -ENOMEM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 			ioc_err(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 			    "Cannot allocate trace buffer memory. Last memory tried = %d KB\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 			    diag_register.requested_buffer_size>>10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 		else if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 		    & MPT3_DIAG_BUFFER_IS_REGISTERED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 			ioc_err(ioc, "Trace buffer memory %d KB allocated\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 			    diag_register.requested_buffer_size>>10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 			if (ioc->hba_mpi_version_belonged != MPI2_VERSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 				ioc->diag_buffer_status[
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 				    MPI2_DIAG_BUF_TYPE_TRACE] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 				    MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 	if (bits_to_register & 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 		ioc_info(ioc, "registering snapshot buffer support\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 		diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 		/* register for 2MB buffers  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 		diag_register.requested_buffer_size = 2 * (1024 * 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 		diag_register.unique_id = 0x7075901;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 		_ctl_diag_register_2(ioc,  &diag_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 	if (bits_to_register & 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 		ioc_info(ioc, "registering extended buffer support\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 		diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 		/* register for 2MB buffers  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) 		diag_register.requested_buffer_size = 2 * (1024 * 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 		diag_register.unique_id = 0x7075901;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 		_ctl_diag_register_2(ioc,  &diag_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897)  * _ctl_diag_register - application register with driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901)  * This will allow the driver to setup any required buffers that will be
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902)  * needed by firmware to communicate with the driver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) _ctl_diag_register(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) 	struct mpt3_diag_register karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) 	long rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) 	rc = _ctl_diag_register_2(ioc, &karg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) 	if (!rc && (ioc->diag_buffer_status[karg.buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) 	    MPT3_DIAG_BUFFER_IS_REGISTERED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) 		ioc->diag_buffer_status[karg.buffer_type] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) 		    MPT3_DIAG_BUFFER_IS_APP_OWNED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927)  * _ctl_diag_unregister - application unregister with driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931)  * This will allow the driver to cleanup any memory allocated for diag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932)  * messages and to free up any resources.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) _ctl_diag_unregister(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 	struct mpt3_diag_unregister karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 	void *request_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 	dma_addr_t request_data_dma;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 	u32 request_data_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 	u8 buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 	dctlprintk(ioc, ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 	buffer_type = _ctl_diag_get_bufftype(ioc, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 	if (buffer_type == MPT3_DIAG_UID_NOT_FOUND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 		ioc_err(ioc, "%s: buffer with unique_id(0x%08x) not found\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 		    __func__, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 	if (!_ctl_diag_capability(ioc, buffer_type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 		ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 		return -EPERM;
^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) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) 	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 		ioc_err(ioc, "%s: buffer_type(0x%02x) is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 	    MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 		ioc_err(ioc, "%s: buffer_type(0x%02x) has not been released\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 	if (karg.unique_id != ioc->unique_id[buffer_type]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 		ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 			__func__, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 	request_data = ioc->diag_buffer[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 	if (!request_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 		ioc_err(ioc, "%s: doesn't have memory allocated for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 	if (ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 	    MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) 		ioc->unique_id[buffer_type] = MPT3DIAGBUFFUNIQUEID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 		ioc->diag_buffer_status[buffer_type] &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 		    ~MPT3_DIAG_BUFFER_IS_APP_OWNED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 		ioc->diag_buffer_status[buffer_type] &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 		    ~MPT3_DIAG_BUFFER_IS_REGISTERED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 		request_data_sz = ioc->diag_buffer_sz[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 		request_data_dma = ioc->diag_buffer_dma[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 		dma_free_coherent(&ioc->pdev->dev, request_data_sz,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 				request_data, request_data_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 		ioc->diag_buffer[buffer_type] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 		ioc->diag_buffer_status[buffer_type] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010)  * _ctl_diag_query - query relevant info associated with diag buffers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014)  * The application will send only buffer_type and unique_id.  Driver will
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015)  * inspect unique_id first, if valid, fill in all the info.  If unique_id is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016)  * 0x00, the driver will return info specified by Buffer Type.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) _ctl_diag_query(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 	struct mpt3_diag_query karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) 	void *request_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) 	u8 buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 	dctlprintk(ioc, ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) 	karg.application_flags = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) 	buffer_type = karg.buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 	if (!_ctl_diag_capability(ioc, buffer_type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) 		ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) 		return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) 	if (!(ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) 	    MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) 		if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) 		    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) 			ioc_err(ioc, "%s: buffer_type(0x%02x) is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) 				__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) 	if (karg.unique_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) 		if (karg.unique_id != ioc->unique_id[buffer_type]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 			ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) 				__func__, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) 	request_data = ioc->diag_buffer[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) 	if (!request_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) 		ioc_err(ioc, "%s: doesn't have buffer for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) 	    MPT3_DIAG_BUFFER_IS_REGISTERED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) 		karg.application_flags |= MPT3_APP_FLAGS_BUFFER_VALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) 	if (!(ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 	     MPT3_DIAG_BUFFER_IS_RELEASED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 		karg.application_flags |= MPT3_APP_FLAGS_FW_BUFFER_ACCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) 	if (!(ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 	    MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 		karg.application_flags |= MPT3_APP_FLAGS_DYNAMIC_BUFFER_ALLOC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 	    MPT3_DIAG_BUFFER_IS_APP_OWNED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 		karg.application_flags |= MPT3_APP_FLAGS_APP_OWNED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 	for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 		karg.product_specific[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 		    ioc->product_specific[buffer_type][i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 	karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 	karg.driver_added_buffer_size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 	karg.unique_id = ioc->unique_id[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) 	karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) 	if (copy_to_user(arg, &karg, sizeof(struct mpt3_diag_query))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 		ioc_err(ioc, "%s: unable to write mpt3_diag_query data @ %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) 			__func__, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103)  * mpt3sas_send_diag_release - Diag Release Message
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105)  * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106)  * @issue_reset: specifies whether host reset is required.
^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) int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 	u8 *issue_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) 	Mpi2DiagReleaseRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 	Mpi2DiagReleaseReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 	u32 ioc_state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) 	u8 reset_needed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) 	dctlprintk(ioc, ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 	rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 	*issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 	ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 	if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 		if (ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 		    MPT3_DIAG_BUFFER_IS_REGISTERED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 			ioc->diag_buffer_status[buffer_type] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 			    MPT3_DIAG_BUFFER_IS_RELEASED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 		dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 			   ioc_info(ioc, "%s: skipping due to FAULT state\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 				    __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 	if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 		ioc_err(ioc, "%s: ctl_cmd in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 	smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 	ioc->ctl_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) 	memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) 	ioc->ctl_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 	mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 	mpi_request->BufferType = buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 	mpi_request->VF_ID = 0; /* TODO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 	mpi_request->VP_ID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 	init_completion(&ioc->ctl_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 	wait_for_completion_timeout(&ioc->ctl_cmds.done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 	    MPT3_IOCTL_DEFAULT_TIMEOUT*HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 	if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) 		mpt3sas_check_cmd_timeout(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) 		    ioc->ctl_cmds.status, mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 		    sizeof(Mpi2DiagReleaseRequest_t)/4, reset_needed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 		 *issue_reset = reset_needed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 		rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 	/* process the completed Reply Message Frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 	if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 		ioc_err(ioc, "%s: no reply message\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 		rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 	mpi_reply = ioc->ctl_cmds.reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 	ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 	if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 		ioc->diag_buffer_status[buffer_type] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 		    MPT3_DIAG_BUFFER_IS_RELEASED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 		dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 		ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 			 __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 			 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 		rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 	ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205)  * _ctl_diag_release - request to send Diag Release Message to firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206)  * @ioc: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209)  * This allows ownership of the specified buffer to returned to the driver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210)  * allowing an application to read the buffer without fear that firmware is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211)  * overwriting information in the buffer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) _ctl_diag_release(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 	struct mpt3_diag_release karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 	void *request_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 	u8 buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 	u8 issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 	dctlprintk(ioc, ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 	buffer_type = _ctl_diag_get_bufftype(ioc, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 	if (buffer_type == MPT3_DIAG_UID_NOT_FOUND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 		ioc_err(ioc, "%s: buffer with unique_id(0x%08x) not found\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 		    __func__, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 	if (!_ctl_diag_capability(ioc, buffer_type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 		ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 		return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 		ioc_err(ioc, "%s: buffer_type(0x%02x) is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 	if (karg.unique_id != ioc->unique_id[buffer_type]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 		ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 			__func__, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 	if (ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 	    MPT3_DIAG_BUFFER_IS_RELEASED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) 		ioc_err(ioc, "%s: buffer_type(0x%02x) is already released\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 	request_data = ioc->diag_buffer[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 	if (!request_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) 		ioc_err(ioc, "%s: doesn't have memory allocated for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 	/* buffers were released by due to host reset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 	    MPT3_DIAG_BUFFER_IS_DIAG_RESET)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 		ioc->diag_buffer_status[buffer_type] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 		    MPT3_DIAG_BUFFER_IS_RELEASED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 		ioc->diag_buffer_status[buffer_type] &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 		    ~MPT3_DIAG_BUFFER_IS_DIAG_RESET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 		ioc_err(ioc, "%s: buffer_type(0x%02x) was released due to host reset\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 	rc = mpt3sas_send_diag_release(ioc, buffer_type, &issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 	if (issue_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 		mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) }
^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)  * _ctl_diag_read_buffer - request for copy of the diag buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295)  * @arg: user space buffer containing ioctl content
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) 	struct mpt3_diag_read_buffer karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) 	struct mpt3_diag_read_buffer __user *uarg = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) 	void *request_data, *diag_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) 	Mpi2DiagBufferPostRequest_t *mpi_request;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) 	Mpi2DiagBufferPostReply_t *mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) 	int rc, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) 	u8 buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) 	unsigned long request_size, copy_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 	u16 smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) 	u8 issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 	if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 	dctlprintk(ioc, ioc_info(ioc, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 				 __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 	buffer_type = _ctl_diag_get_bufftype(ioc, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 	if (buffer_type == MPT3_DIAG_UID_NOT_FOUND) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 		ioc_err(ioc, "%s: buffer with unique_id(0x%08x) not found\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 		    __func__, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 	if (!_ctl_diag_capability(ioc, buffer_type)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 		ioc_err(ioc, "%s: doesn't have capability for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 		return -EPERM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 	if (karg.unique_id != ioc->unique_id[buffer_type]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 		ioc_err(ioc, "%s: unique_id(0x%08x) is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 			__func__, karg.unique_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 	request_data = ioc->diag_buffer[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 	if (!request_data) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 		ioc_err(ioc, "%s: doesn't have buffer for buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 			__func__, buffer_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 	request_size = ioc->diag_buffer_sz[buffer_type];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 	if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 		ioc_err(ioc, "%s: either the starting_offset or bytes_to_read are not 4 byte aligned\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 	if (karg.starting_offset > request_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) 	diag_data = (void *)(request_data + karg.starting_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 	dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 		   ioc_info(ioc, "%s: diag_buffer(%p), offset(%d), sz(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) 			    __func__, diag_data, karg.starting_offset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) 			    karg.bytes_to_read));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) 	/* Truncate data on requests that are too large */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 	if ((diag_data + karg.bytes_to_read < diag_data) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) 	    (diag_data + karg.bytes_to_read > request_data + request_size))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) 		copy_size = request_size - karg.starting_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 		copy_size = karg.bytes_to_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) 	if (copy_to_user((void __user *)uarg->diagnostic_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) 	    diag_data, copy_size)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) 		ioc_err(ioc, "%s: Unable to write mpt_diag_read_buffer_t data @ %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) 			__func__, diag_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 	if ((karg.flags & MPT3_FLAGS_REREGISTER) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) 	dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) 		   ioc_info(ioc, "%s: Reregister buffer_type(0x%02x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) 			    __func__, buffer_type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 	if ((ioc->diag_buffer_status[buffer_type] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) 	    MPT3_DIAG_BUFFER_IS_RELEASED) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) 		dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 			   ioc_info(ioc, "%s: buffer_type(0x%02x) is still registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 				    __func__, buffer_type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) 	/* Get a free request frame and save the message context.
^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) 	if (ioc->ctl_cmds.status != MPT3_CMD_NOT_USED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) 		ioc_err(ioc, "%s: ctl_cmd in use\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) 	smid = mpt3sas_base_get_smid(ioc, ioc->ctl_cb_idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) 	if (!smid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) 		ioc_err(ioc, "%s: failed obtaining a smid\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) 		rc = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) 	rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) 	ioc->ctl_cmds.status = MPT3_CMD_PENDING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) 	memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 	ioc->ctl_cmds.smid = smid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) 	mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 	mpi_request->BufferType = buffer_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) 	mpi_request->BufferLength =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) 	    cpu_to_le32(ioc->diag_buffer_sz[buffer_type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) 	mpi_request->BufferAddress =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) 	    cpu_to_le64(ioc->diag_buffer_dma[buffer_type]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) 	for (i = 0; i < MPT3_PRODUCT_SPECIFIC_DWORDS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) 		mpi_request->ProductSpecific[i] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 			cpu_to_le32(ioc->product_specific[buffer_type][i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) 	mpi_request->VF_ID = 0; /* TODO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 	mpi_request->VP_ID = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 	init_completion(&ioc->ctl_cmds.done);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 	ioc->put_smid_default(ioc, smid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 	wait_for_completion_timeout(&ioc->ctl_cmds.done,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 	    MPT3_IOCTL_DEFAULT_TIMEOUT*HZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) 	if (!(ioc->ctl_cmds.status & MPT3_CMD_COMPLETE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 		mpt3sas_check_cmd_timeout(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) 		    ioc->ctl_cmds.status, mpi_request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) 		    sizeof(Mpi2DiagBufferPostRequest_t)/4, issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) 		goto issue_host_reset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) 	/* process the completed Reply Message Frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) 	if ((ioc->ctl_cmds.status & MPT3_CMD_REPLY_VALID) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 		ioc_err(ioc, "%s: no reply message\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) 		rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) 		goto out;
^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) 	mpi_reply = ioc->ctl_cmds.reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) 	ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) 	if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) 		ioc->diag_buffer_status[buffer_type] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) 		    MPT3_DIAG_BUFFER_IS_REGISTERED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) 		ioc->diag_buffer_status[buffer_type] &=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) 		    ~MPT3_DIAG_BUFFER_IS_RELEASED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) 		dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) 		ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 			 __func__, ioc_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) 			 le32_to_cpu(mpi_reply->IOCLogInfo));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) 		rc = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460)  issue_host_reset:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) 	if (issue_reset)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 		mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) 	ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474)  * _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475)  * @ioc: per adapter object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476)  * @cmd: ioctl opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477)  * @arg: (struct mpt3_ioctl_command32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479)  * MPT3COMMAND32 - Handle 32bit applications running on 64bit os.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) _ctl_compat_mpt_command(struct MPT3SAS_ADAPTER *ioc, unsigned cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) 	void __user *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) 	struct mpt3_ioctl_command32 karg32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) 	struct mpt3_ioctl_command32 __user *uarg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) 	struct mpt3_ioctl_command karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) 	if (_IOC_SIZE(cmd) != sizeof(struct mpt3_ioctl_command32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) 	uarg = (struct mpt3_ioctl_command32 __user *) arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) 	if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) 	memset(&karg, 0, sizeof(struct mpt3_ioctl_command));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) 	karg.hdr.ioc_number = karg32.hdr.ioc_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 	karg.hdr.port_number = karg32.hdr.port_number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) 	karg.hdr.max_data_size = karg32.hdr.max_data_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 	karg.timeout = karg32.timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 	karg.max_reply_bytes = karg32.max_reply_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 	karg.data_in_size = karg32.data_in_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 	karg.data_out_size = karg32.data_out_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) 	karg.max_sense_bytes = karg32.max_sense_bytes;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 	karg.data_sge_offset = karg32.data_sge_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) 	karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) 	karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) 	karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) 	karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) 	return _ctl_do_mpt_command(ioc, karg, &uarg->mf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519)  * _ctl_ioctl_main - main ioctl entry point
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520)  * @file:  (struct file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521)  * @cmd:  ioctl opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522)  * @arg:  user space data buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523)  * @compat:  handles 32 bit applications in 64bit os
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524)  * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525)  * MPI25_VERSION | MPI26_VERSION for mpt3ctl ioctl device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) 	u8 compat, u16 mpi_version)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) 	struct MPT3SAS_ADAPTER *ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) 	struct mpt3_ioctl_header ioctl_header;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) 	enum block_state state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) 	long ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) 	/* get IOCTL header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) 	if (copy_from_user(&ioctl_header, (char __user *)arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) 	    sizeof(struct mpt3_ioctl_header))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) 		pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) 		    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) 		return -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) 	if (_ctl_verify_adapter(ioctl_header.ioc_number,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) 				&ioc, mpi_version) == -1 || !ioc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) 	/* pci_access_mutex lock acquired by ioctl path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) 	mutex_lock(&ioc->pci_access_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) 	if (ioc->shost_recovery || ioc->pci_error_recovery ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) 	    ioc->is_driver_loading || ioc->remove_host) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) 		ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) 		goto out_unlock_pciaccess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) 	state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) 	if (state == NON_BLOCKING) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) 		if (!mutex_trylock(&ioc->ctl_cmds.mutex)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) 			ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) 			goto out_unlock_pciaccess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) 	} else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) 		ret = -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) 		goto out_unlock_pciaccess;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) 	switch (cmd) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) 	case MPT3IOCINFO:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_iocinfo))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) 			ret = _ctl_getiocinfo(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) 	case MPT3COMMAND32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) 	case MPT3COMMAND:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) 		struct mpt3_ioctl_command __user *uarg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) 		struct mpt3_ioctl_command karg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) 		if (compat) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) 			ret = _ctl_compat_mpt_command(ioc, cmd, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) 		if (copy_from_user(&karg, arg, sizeof(karg))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) 			pr_err("failure at %s:%d/%s()!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) 			    __FILE__, __LINE__, __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) 			ret = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) 		if (karg.hdr.ioc_number != ioctl_header.ioc_number) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) 			ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_command)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) 			uarg = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) 			ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) 	case MPT3EVENTQUERY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventquery))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) 			ret = _ctl_eventquery(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) 	case MPT3EVENTENABLE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_eventenable))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) 			ret = _ctl_eventenable(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) 	case MPT3EVENTREPORT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) 		ret = _ctl_eventreport(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) 	case MPT3HARDRESET:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_diag_reset))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) 			ret = _ctl_do_reset(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) 	case MPT3BTDHMAPPING:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_ioctl_btdh_mapping))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) 			ret = _ctl_btdh_mapping(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) 	case MPT3DIAGREGISTER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_register))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) 			ret = _ctl_diag_register(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) 	case MPT3DIAGUNREGISTER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_unregister))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630) 			ret = _ctl_diag_unregister(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) 	case MPT3DIAGQUERY:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_query))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) 			ret = _ctl_diag_query(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) 	case MPT3DIAGRELEASE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_release))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) 			ret = _ctl_diag_release(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) 	case MPT3DIAGREADBUFFER:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) 		if (_IOC_SIZE(cmd) == sizeof(struct mpt3_diag_read_buffer))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642) 			ret = _ctl_diag_read_buffer(ioc, arg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) 		dctlprintk(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646) 			   ioc_info(ioc, "unsupported ioctl opcode(0x%08x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) 				    cmd));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) 	mutex_unlock(&ioc->ctl_cmds.mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) out_unlock_pciaccess:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) 	mutex_unlock(&ioc->pci_access_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658)  * _ctl_ioctl - mpt3ctl main ioctl entry point (unlocked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659)  * @file: (struct file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660)  * @cmd: ioctl opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661)  * @arg: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) 	long ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) 	/* pass MPI25_VERSION | MPI26_VERSION value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) 	 * to indicate that this ioctl cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) 	 * came from mpt3ctl ioctl device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) 	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673) 		MPI25_VERSION | MPI26_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678)  * _ctl_mpt2_ioctl - mpt2ctl main ioctl entry point (unlocked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679)  * @file: (struct file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680)  * @cmd: ioctl opcode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681)  * @arg: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) _ctl_mpt2_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) 	long ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) 	/* pass MPI2_VERSION value, to indicate that this ioctl cmd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689) 	 * came from mpt2ctl ioctl device.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) 	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI2_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696)  *_ ctl_ioctl_compat - main ioctl entry point (compat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697)  * @file: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698)  * @cmd: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699)  * @arg: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701)  * This routine handles 32 bit applications in 64bit os.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) 	long ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) 	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) 		MPI25_VERSION | MPI26_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714)  *_ ctl_mpt2_ioctl_compat - main ioctl entry point (compat)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715)  * @file: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716)  * @cmd: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717)  * @arg: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719)  * This routine handles 32 bit applications in 64bit os.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) static long
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) _ctl_mpt2_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) 	long ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) 	ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI2_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) /* scsi host attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733)  * version_fw_show - firmware version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) version_fw_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) 	return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748) 	    (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) 	    (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) 	    (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) 	    ioc->facts.FWVersion.Word & 0x000000FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) static DEVICE_ATTR_RO(version_fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756)  * version_bios_show - bios version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) version_bios_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) 	u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772) 	return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) 	    (version & 0xFF000000) >> 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) 	    (version & 0x00FF0000) >> 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) 	    (version & 0x0000FF00) >> 8,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) 	    version & 0x000000FF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778) static DEVICE_ATTR_RO(version_bios);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781)  * version_mpi_show - MPI (message passing interface) version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) version_mpi_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) 	return snprintf(buf, PAGE_SIZE, "%03x.%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) 	    ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) static DEVICE_ATTR_RO(version_mpi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801)  * version_product_show - product name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) version_product_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) 	return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) static DEVICE_ATTR_RO(version_product);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820)  * version_nvdata_persistent_show - ndvata persistent version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) version_nvdata_persistent_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) 	return snprintf(buf, PAGE_SIZE, "%08xh\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) 	    le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) static DEVICE_ATTR_RO(version_nvdata_persistent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840)  * version_nvdata_default_show - nvdata default version
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) version_nvdata_default_show(struct device *cdev, struct device_attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) 	*attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854) 	return snprintf(buf, PAGE_SIZE, "%08xh\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) 	    le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) static DEVICE_ATTR_RO(version_nvdata_default);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860)  * board_name_show - board name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) board_name_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874) 	return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) static DEVICE_ATTR_RO(board_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879)  * board_assembly_show - board assembly name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) board_assembly_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) 	return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) static DEVICE_ATTR_RO(board_assembly);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898)  * board_tracer_show - board tracer number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) board_tracer_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) 	return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) static DEVICE_ATTR_RO(board_tracer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917)  * io_delay_show - io missing delay
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922)  * This is for firmware implemention for deboucing device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923)  * removal events.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) io_delay_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) 	return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) static DEVICE_ATTR_RO(io_delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939)  * device_delay_show - device missing delay
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944)  * This is for firmware implemention for deboucing device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945)  * removal events.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) device_delay_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) 	return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) static DEVICE_ATTR_RO(device_delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961)  * fw_queue_depth_show - global credits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966)  * This is firmware queue depth limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) fw_queue_depth_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) 	return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) static DEVICE_ATTR_RO(fw_queue_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982)  * sas_address_show - sas address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987)  * This is the controller sas address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) host_sas_address_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) 	return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) 	    (unsigned long long)ioc->sas_hba.sas_address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) static DEVICE_ATTR_RO(host_sas_address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005)  * logging_level_show - logging level
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) logging_level_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) 	return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) logging_level_store(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) 	const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) 	int val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) 	if (sscanf(buf, "%x", &val) != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032) 	ioc->logging_level = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) 	ioc_info(ioc, "logging_level=%08xh\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) 		 ioc->logging_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) 	return strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) static DEVICE_ATTR_RW(logging_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040)  * fwfault_debug_show - show/store fwfault_debug
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045)  * mpt3sas_fwfault_debug is command line option
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049) fwfault_debug_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055) 	return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) fwfault_debug_store(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059) 	const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) 	int val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065) 	if (sscanf(buf, "%d", &val) != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) 	ioc->fwfault_debug = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) 	ioc_info(ioc, "fwfault_debug=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070) 		 ioc->fwfault_debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) 	return strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073) static DEVICE_ATTR_RW(fwfault_debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076)  * ioc_reset_count_show - ioc reset count
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081)  * This is firmware queue depth limit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) ioc_reset_count_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) 	return snprintf(buf, PAGE_SIZE, "%d\n", ioc->ioc_reset_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) static DEVICE_ATTR_RO(ioc_reset_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097)  * reply_queue_count_show - number of reply queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102)  * This is number of reply queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) reply_queue_count_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110) 	u8 reply_queue_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) 	if ((ioc->facts.IOCCapabilities &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115) 	    MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) 		reply_queue_count = ioc->reply_queue_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118) 		reply_queue_count = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) 	return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) static DEVICE_ATTR_RO(reply_queue_count);
^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)  * BRM_status_show - Backup Rail Monitor Status
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130)  * This is number of reply queues
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) BRM_status_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) 	Mpi2IOUnitPage3_t *io_unit_pg3 = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) 	Mpi2ConfigReply_t mpi_reply;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142) 	u16 backup_rail_monitor_status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) 	u16 ioc_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) 	int sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145) 	ssize_t rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) 	if (!ioc->is_warpdrive) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148) 		ioc_err(ioc, "%s: BRM attribute is only for warpdrive\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152) 	/* pci_access_mutex lock acquired by sysfs show path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) 	mutex_lock(&ioc->pci_access_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) 	if (ioc->pci_error_recovery || ioc->remove_host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157) 	/* allocate upto GPIOVal 36 entries */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) 	sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) 	io_unit_pg3 = kzalloc(sz, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) 	if (!io_unit_pg3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) 		rc = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162) 		ioc_err(ioc, "%s: failed allocating memory for iounit_pg3: (%d) bytes\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163) 			__func__, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) 	if (mpt3sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) 	    0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) 		ioc_err(ioc, "%s: failed reading iounit_pg3\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) 		rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) 	ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) 	if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) 		ioc_err(ioc, "%s: iounit_pg3 failed with ioc_status(0x%04x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178) 			__func__, ioc_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) 		rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) 	if (io_unit_pg3->GPIOCount < 25) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) 		ioc_err(ioc, "%s: iounit_pg3->GPIOCount less than 25 entries, detected (%d) entries\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) 			__func__, io_unit_pg3->GPIOCount);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) 		rc = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) 	/* BRM status is in bit zero of GPIOVal[24] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) 	backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) 	rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) 	kfree(io_unit_pg3);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) 	mutex_unlock(&ioc->pci_access_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) static DEVICE_ATTR_RO(BRM_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) struct DIAG_BUFFER_START {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) 	__le32	Size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) 	__le32	DiagVersion;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) 	u8	BufferType;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205) 	u8	Reserved[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) 	__le32	Reserved1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) 	__le32	Reserved2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) 	__le32	Reserved3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212)  * host_trace_buffer_size_show - host buffer size (trace only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) host_trace_buffer_size_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3222) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3223) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3224) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3225) 	u32 size = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3226) 	struct DIAG_BUFFER_START *request_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3228) 	if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3229) 		ioc_err(ioc, "%s: host_trace_buffer is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3230) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3231) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3232) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3233) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3234) 	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3235) 	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3236) 		ioc_err(ioc, "%s: host_trace_buffer is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3237) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3238) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3239) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3241) 	request_data = (struct DIAG_BUFFER_START *)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3242) 	    ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3243) 	if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3244) 	    le32_to_cpu(request_data->DiagVersion) == 0x01000000 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3245) 	    le32_to_cpu(request_data->DiagVersion) == 0x01010000) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3246) 	    le32_to_cpu(request_data->Reserved3) == 0x4742444c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3247) 		size = le32_to_cpu(request_data->Size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3249) 	ioc->ring_buffer_sz = size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3250) 	return snprintf(buf, PAGE_SIZE, "%d\n", size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3251) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3252) static DEVICE_ATTR_RO(host_trace_buffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3254) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3255)  * host_trace_buffer_show - firmware ring buffer (trace only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3256)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3257)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3258)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3259)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3260)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3261)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3262)  * You will only be able to read 4k bytes of ring buffer at a time.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3263)  * In order to read beyond 4k bytes, you will have to write out the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3264)  * offset to the same attribute, it will move the pointer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3265)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3266) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3267) host_trace_buffer_show(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3268) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3269) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3270) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3271) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3272) 	void *request_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3273) 	u32 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3274) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3275) 	if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3276) 		ioc_err(ioc, "%s: host_trace_buffer is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3277) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3278) 		return 0;
^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) 	if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3282) 	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3283) 		ioc_err(ioc, "%s: host_trace_buffer is not registered\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3284) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3285) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3286) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3288) 	if (ioc->ring_buffer_offset > ioc->ring_buffer_sz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3289) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3291) 	size = ioc->ring_buffer_sz - ioc->ring_buffer_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3292) 	size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3293) 	request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3294) 	memcpy(buf, request_data, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3295) 	return size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3298) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3299) host_trace_buffer_store(struct device *cdev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3300) 	const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3301) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3302) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3303) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3304) 	int val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3306) 	if (sscanf(buf, "%d", &val) != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3307) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3309) 	ioc->ring_buffer_offset = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3310) 	return strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3312) static DEVICE_ATTR_RW(host_trace_buffer);
^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) /*****************************************/
^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)  * host_trace_buffer_enable_show - firmware ring buffer (trace only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3319)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3320)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3321)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3322)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3323)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3324)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3325)  * This is a mechnism to post/release host_trace_buffers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3326)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3327) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3328) host_trace_buffer_enable_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3329) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3330) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3331) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3332) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3334) 	if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3335) 	   ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3336) 	    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3337) 		return snprintf(buf, PAGE_SIZE, "off\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3338) 	else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3339) 	    MPT3_DIAG_BUFFER_IS_RELEASED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3340) 		return snprintf(buf, PAGE_SIZE, "release\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3341) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3342) 		return snprintf(buf, PAGE_SIZE, "post\n");
^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) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3346) host_trace_buffer_enable_store(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3347) 	struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3348) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3349) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3350) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3351) 	char str[10] = "";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3352) 	struct mpt3_diag_register diag_register;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3353) 	u8 issue_reset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3355) 	/* don't allow post/release occurr while recovery is active */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3356) 	if (ioc->shost_recovery || ioc->remove_host ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3357) 	    ioc->pci_error_recovery || ioc->is_driver_loading)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3358) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3359) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3360) 	if (sscanf(buf, "%9s", str) != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3361) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3363) 	if (!strcmp(str, "post")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3364) 		/* exit out if host buffers are already posted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3365) 		if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3366) 		    (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3367) 		    MPT3_DIAG_BUFFER_IS_REGISTERED) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3368) 		    ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3369) 		    MPT3_DIAG_BUFFER_IS_RELEASED) == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3370) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3371) 		memset(&diag_register, 0, sizeof(struct mpt3_diag_register));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3372) 		ioc_info(ioc, "posting host trace buffers\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3373) 		diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3375) 		if (ioc->manu_pg11.HostTraceBufferMaxSizeKB != 0 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3376) 		    ioc->diag_buffer_sz[MPI2_DIAG_BUF_TYPE_TRACE] != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3377) 			/* post the same buffer allocated previously */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3378) 			diag_register.requested_buffer_size =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3379) 			    ioc->diag_buffer_sz[MPI2_DIAG_BUF_TYPE_TRACE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3380) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3381) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3382) 			 * Free the diag buffer memory which was previously
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3383) 			 * allocated by an application.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3384) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3385) 			if ((ioc->diag_buffer_sz[MPI2_DIAG_BUF_TYPE_TRACE] != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3386) 			    &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3387) 			    (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3388) 			    MPT3_DIAG_BUFFER_IS_APP_OWNED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3389) 				dma_free_coherent(&ioc->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3390) 						  ioc->diag_buffer_sz[MPI2_DIAG_BUF_TYPE_TRACE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3391) 						  ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3392) 						  ioc->diag_buffer_dma[MPI2_DIAG_BUF_TYPE_TRACE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3393) 				ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3394) 				    NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3395) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3397) 			diag_register.requested_buffer_size = (1024 * 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3398) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3399) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3400) 		diag_register.unique_id =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3401) 		    (ioc->hba_mpi_version_belonged == MPI2_VERSION) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3402) 		    (MPT2DIAGBUFFUNIQUEID):(MPT3DIAGBUFFUNIQUEID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3403) 		ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3404) 		_ctl_diag_register_2(ioc,  &diag_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3405) 		if (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3406) 		    MPT3_DIAG_BUFFER_IS_REGISTERED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3407) 			ioc_info(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3408) 			    "Trace buffer %d KB allocated through sysfs\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3409) 			    diag_register.requested_buffer_size>>10);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3410) 			if (ioc->hba_mpi_version_belonged != MPI2_VERSION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3411) 				ioc->diag_buffer_status[
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3412) 				    MPI2_DIAG_BUF_TYPE_TRACE] |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3413) 				    MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3414) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3415) 	} else if (!strcmp(str, "release")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3416) 		/* exit out if host buffers are already released */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3417) 		if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3418) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3419) 		if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3420) 		    MPT3_DIAG_BUFFER_IS_REGISTERED) == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3421) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3422) 		if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3423) 		    MPT3_DIAG_BUFFER_IS_RELEASED))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3424) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3425) 		ioc_info(ioc, "releasing host trace buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3426) 		mpt3sas_send_diag_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3427) 		    &issue_reset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3428) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3429) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3430)  out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3431) 	return strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3433) static DEVICE_ATTR_RW(host_trace_buffer_enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3435) /*********** diagnostic trigger suppport *********************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3436) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3437) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3438)  * diag_trigger_master_show - show the diag_trigger_master attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3439)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3440)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3441)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3442)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3443)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3444)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3445) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3446) diag_trigger_master_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3447) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3448) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3449) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3450) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3451) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3452) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3453) 	ssize_t rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3455) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3456) 	rc = sizeof(struct SL_WH_MASTER_TRIGGER_T);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3457) 	memcpy(buf, &ioc->diag_trigger_master, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3458) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3459) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3460) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3462) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3463)  * diag_trigger_master_store - store the diag_trigger_master attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3464)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3465)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3466)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3467)  * @count: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3468)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3469)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3470)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3471) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3472) diag_trigger_master_store(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3473) 	struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3475) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3476) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3477) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3478) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3479) 	ssize_t rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3480) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3481) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3482) 	rc = min(sizeof(struct SL_WH_MASTER_TRIGGER_T), count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3483) 	memset(&ioc->diag_trigger_master, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3484) 	    sizeof(struct SL_WH_MASTER_TRIGGER_T));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3485) 	memcpy(&ioc->diag_trigger_master, buf, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3486) 	ioc->diag_trigger_master.MasterData |=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3487) 	    (MASTER_TRIGGER_FW_FAULT + MASTER_TRIGGER_ADAPTER_RESET);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3488) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3489) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3490) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3491) static DEVICE_ATTR_RW(diag_trigger_master);
^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)  * diag_trigger_event_show - show the diag_trigger_event attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3496)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3497)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3498)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3499)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3500)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3501)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3502) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3503) diag_trigger_event_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3504) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3505) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3506) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3507) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3508) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3509) 	ssize_t rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3511) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3512) 	rc = sizeof(struct SL_WH_EVENT_TRIGGERS_T);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3513) 	memcpy(buf, &ioc->diag_trigger_event, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3514) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3515) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3517) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3518) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3519)  * diag_trigger_event_store - store the diag_trigger_event attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3520)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3521)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3522)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3523)  * @count: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3524)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3525)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3526)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3527) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3528) diag_trigger_event_store(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3529) 	struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3530) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3531) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3532) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3533) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3534) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3535) 	ssize_t sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3536) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3537) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3538) 	sz = min(sizeof(struct SL_WH_EVENT_TRIGGERS_T), count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3539) 	memset(&ioc->diag_trigger_event, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3540) 	    sizeof(struct SL_WH_EVENT_TRIGGERS_T));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3541) 	memcpy(&ioc->diag_trigger_event, buf, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3542) 	if (ioc->diag_trigger_event.ValidEntries > NUM_VALID_ENTRIES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3543) 		ioc->diag_trigger_event.ValidEntries = NUM_VALID_ENTRIES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3544) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3545) 	return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3546) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3547) static DEVICE_ATTR_RW(diag_trigger_event);
^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) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3551)  * diag_trigger_scsi_show - show the diag_trigger_scsi attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3552)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3553)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3554)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3555)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3556)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3557)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3558) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3559) diag_trigger_scsi_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3560) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3562) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3563) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3564) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3565) 	ssize_t rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3567) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3568) 	rc = sizeof(struct SL_WH_SCSI_TRIGGERS_T);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3569) 	memcpy(buf, &ioc->diag_trigger_scsi, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3570) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3571) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3574) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3575)  * diag_trigger_scsi_store - store the diag_trigger_scsi attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3576)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3577)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3578)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3579)  * @count: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3580)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3581)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3582)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3583) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3584) diag_trigger_scsi_store(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3585) 	struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3586) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3587) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3588) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3589) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3590) 	ssize_t sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3591) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3592) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3593) 	sz = min(sizeof(ioc->diag_trigger_scsi), count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3594) 	memset(&ioc->diag_trigger_scsi, 0, sizeof(ioc->diag_trigger_scsi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3595) 	memcpy(&ioc->diag_trigger_scsi, buf, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3596) 	if (ioc->diag_trigger_scsi.ValidEntries > NUM_VALID_ENTRIES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3597) 		ioc->diag_trigger_scsi.ValidEntries = NUM_VALID_ENTRIES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3598) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3599) 	return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3600) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3601) static DEVICE_ATTR_RW(diag_trigger_scsi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3602) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3603) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3604) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3605)  * diag_trigger_scsi_show - show the diag_trigger_mpi attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3606)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3607)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3608)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3609)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3610)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3611)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3612) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3613) diag_trigger_mpi_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3614) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3615) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3616) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3617) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3618) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3619) 	ssize_t rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3620) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3621) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3622) 	rc = sizeof(struct SL_WH_MPI_TRIGGERS_T);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3623) 	memcpy(buf, &ioc->diag_trigger_mpi, rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3624) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3625) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3626) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3627) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3628) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3629)  * diag_trigger_mpi_store - store the diag_trigger_mpi attribute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3630)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3631)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3632)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3633)  * @count: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3634)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3635)  * A sysfs 'read/write' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3636)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3637) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3638) diag_trigger_mpi_store(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3639) 	struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3640) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3641) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3642) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3643) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3644) 	ssize_t sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3645) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3646) 	spin_lock_irqsave(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3647) 	sz = min(sizeof(struct SL_WH_MPI_TRIGGERS_T), count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3648) 	memset(&ioc->diag_trigger_mpi, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3649) 	    sizeof(ioc->diag_trigger_mpi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3650) 	memcpy(&ioc->diag_trigger_mpi, buf, sz);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3651) 	if (ioc->diag_trigger_mpi.ValidEntries > NUM_VALID_ENTRIES)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3652) 		ioc->diag_trigger_mpi.ValidEntries = NUM_VALID_ENTRIES;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3653) 	spin_unlock_irqrestore(&ioc->diag_trigger_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3654) 	return sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3657) static DEVICE_ATTR_RW(diag_trigger_mpi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3658) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3659) /*********** diagnostic trigger suppport *** END ****************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3660) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3661) /*****************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3663) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3664)  * drv_support_bitmap_show - driver supported feature bitmap
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3665)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3666)  * @attr: unused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3667)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3668)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3669)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3670)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3671) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3672) drv_support_bitmap_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3673) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3674) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3675) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3676) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3677) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3678) 	return snprintf(buf, PAGE_SIZE, "0x%08x\n", ioc->drv_support_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3679) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3680) static DEVICE_ATTR_RO(drv_support_bitmap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3681) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3682) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3683)  * enable_sdev_max_qd_show - display whether sdev max qd is enabled/disabled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3684)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3685)  * @attr: unused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3686)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3687)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3688)  * A sysfs read/write shost attribute. This attribute is used to set the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3689)  * targets queue depth to HBA IO queue depth if this attribute is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3690)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3691) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3692) enable_sdev_max_qd_show(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3693) 	struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3695) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3696) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3697) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3698) 	return snprintf(buf, PAGE_SIZE, "%d\n", ioc->enable_sdev_max_qd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3699) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3700) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3701) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3702)  * enable_sdev_max_qd_store - Enable/disable sdev max qd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3703)  * @cdev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3704)  * @attr: unused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3705)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3706)  * @count: unused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3707)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3708)  * A sysfs read/write shost attribute. This attribute is used to set the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3709)  * targets queue depth to HBA IO queue depth if this attribute is enabled.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3710)  * If this attribute is disabled then targets will have corresponding default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3711)  * queue depth.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3712)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3713) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3714) enable_sdev_max_qd_store(struct device *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3715) 	struct device_attribute *attr, const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3716) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3717) 	struct Scsi_Host *shost = class_to_shost(cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3718) 	struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3719) 	struct MPT3SAS_DEVICE *sas_device_priv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3720) 	struct MPT3SAS_TARGET *sas_target_priv_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3721) 	int val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3722) 	struct scsi_device *sdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3723) 	struct _raid_device *raid_device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3724) 	int qdepth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3726) 	if (kstrtoint(buf, 0, &val) != 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3727) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3728) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3729) 	switch (val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3730) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3731) 		ioc->enable_sdev_max_qd = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3732) 		shost_for_each_device(sdev, ioc->shost) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3733) 			sas_device_priv_data = sdev->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3734) 			if (!sas_device_priv_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3735) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3736) 			sas_target_priv_data = sas_device_priv_data->sas_target;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3737) 			if (!sas_target_priv_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3738) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3739) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3740) 			if (sas_target_priv_data->flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3741) 			    MPT_TARGET_FLAGS_VOLUME) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3742) 				raid_device =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3743) 				    mpt3sas_raid_device_find_by_handle(ioc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3744) 				    sas_target_priv_data->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3745) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3746) 				switch (raid_device->volume_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3747) 				case MPI2_RAID_VOL_TYPE_RAID0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3748) 					if (raid_device->device_info &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3749) 					    MPI2_SAS_DEVICE_INFO_SSP_TARGET)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3750) 						qdepth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3751) 						    MPT3SAS_SAS_QUEUE_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3752) 					else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3753) 						qdepth =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3754) 						    MPT3SAS_SATA_QUEUE_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3755) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3756) 				case MPI2_RAID_VOL_TYPE_RAID1E:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3757) 				case MPI2_RAID_VOL_TYPE_RAID1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3758) 				case MPI2_RAID_VOL_TYPE_RAID10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3759) 				case MPI2_RAID_VOL_TYPE_UNKNOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3760) 				default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3761) 					qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3762) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3763) 			} else if (sas_target_priv_data->flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3764) 			    MPT_TARGET_FLAGS_PCIE_DEVICE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3765) 				qdepth = MPT3SAS_NVME_QUEUE_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3766) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3767) 				qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3768) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3769) 			mpt3sas_scsih_change_queue_depth(sdev, qdepth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3770) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3771) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3772) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3773) 		ioc->enable_sdev_max_qd = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3774) 		shost_for_each_device(sdev, ioc->shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3775) 			mpt3sas_scsih_change_queue_depth(sdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3776) 			    shost->can_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3777) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3778) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3779) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3780) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3781) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3782) 	return strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3783) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3784) static DEVICE_ATTR_RW(enable_sdev_max_qd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3785) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3786) struct device_attribute *mpt3sas_host_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3787) 	&dev_attr_version_fw,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3788) 	&dev_attr_version_bios,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3789) 	&dev_attr_version_mpi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3790) 	&dev_attr_version_product,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3791) 	&dev_attr_version_nvdata_persistent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3792) 	&dev_attr_version_nvdata_default,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3793) 	&dev_attr_board_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3794) 	&dev_attr_board_assembly,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3795) 	&dev_attr_board_tracer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3796) 	&dev_attr_io_delay,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3797) 	&dev_attr_device_delay,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3798) 	&dev_attr_logging_level,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3799) 	&dev_attr_fwfault_debug,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3800) 	&dev_attr_fw_queue_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3801) 	&dev_attr_host_sas_address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3802) 	&dev_attr_ioc_reset_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3803) 	&dev_attr_host_trace_buffer_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3804) 	&dev_attr_host_trace_buffer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3805) 	&dev_attr_host_trace_buffer_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3806) 	&dev_attr_reply_queue_count,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3807) 	&dev_attr_diag_trigger_master,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3808) 	&dev_attr_diag_trigger_event,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3809) 	&dev_attr_diag_trigger_scsi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3810) 	&dev_attr_diag_trigger_mpi,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3811) 	&dev_attr_drv_support_bitmap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3812) 	&dev_attr_BRM_status,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3813) 	&dev_attr_enable_sdev_max_qd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3814) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3815) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3816) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3817) /* device attributes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3819) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3820)  * sas_address_show - sas address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3821)  * @dev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3822)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3823)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3824)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3825)  * This is the sas address for the target
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3826)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3827)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3828)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3829) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3830) sas_address_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3831) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3832) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3833) 	struct scsi_device *sdev = to_scsi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3834) 	struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3836) 	return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3837) 	    (unsigned long long)sas_device_priv_data->sas_target->sas_address);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3838) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3839) static DEVICE_ATTR_RO(sas_address);
^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)  * sas_device_handle_show - device handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3843)  * @dev: pointer to embedded class device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3844)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3845)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3846)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3847)  * This is the firmware assigned device handle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3848)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3849)  * A sysfs 'read-only' shost attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3850)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3851) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3852) sas_device_handle_show(struct device *dev, struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3853) 	char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3854) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3855) 	struct scsi_device *sdev = to_scsi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3856) 	struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3857) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3858) 	return snprintf(buf, PAGE_SIZE, "0x%04x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3859) 	    sas_device_priv_data->sas_target->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3860) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3861) static DEVICE_ATTR_RO(sas_device_handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3862) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3863) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3864)  * sas_ncq_io_prio_show - send prioritized io commands to device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3865)  * @dev: pointer to embedded device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3866)  * @attr: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3867)  * @buf: the buffer returned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3868)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3869)  * A sysfs 'read/write' sdev attribute, only works with SATA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3870)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3871) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3872) sas_ncq_prio_enable_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3873) 				 struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3874) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3875) 	struct scsi_device *sdev = to_scsi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3876) 	struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3877) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3878) 	return snprintf(buf, PAGE_SIZE, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3879) 			sas_device_priv_data->ncq_prio_enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3880) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3881) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3882) static ssize_t
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3883) sas_ncq_prio_enable_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3884) 				  struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3885) 				  const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3886) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3887) 	struct scsi_device *sdev = to_scsi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3888) 	struct MPT3SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3889) 	bool ncq_prio_enable = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3890) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3891) 	if (kstrtobool(buf, &ncq_prio_enable))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3892) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3893) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3894) 	if (!scsih_ncq_prio_supp(sdev))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3895) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3897) 	sas_device_priv_data->ncq_prio_enable = ncq_prio_enable;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3898) 	return strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3900) static DEVICE_ATTR_RW(sas_ncq_prio_enable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3902) struct device_attribute *mpt3sas_dev_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3903) 	&dev_attr_sas_address,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3904) 	&dev_attr_sas_device_handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3905) 	&dev_attr_sas_ncq_prio_enable,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3906) 	NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3907) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3908) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3909) /* file operations table for mpt3ctl device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3910) static const struct file_operations ctl_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3911) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3912) 	.unlocked_ioctl = _ctl_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3913) 	.poll = _ctl_poll,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3914) 	.fasync = _ctl_fasync,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3915) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3916) 	.compat_ioctl = _ctl_ioctl_compat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3917) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3918) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3919) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3920) /* file operations table for mpt2ctl device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3921) static const struct file_operations ctl_gen2_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3922) 	.owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3923) 	.unlocked_ioctl = _ctl_mpt2_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3924) 	.poll = _ctl_poll,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3925) 	.fasync = _ctl_fasync,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3926) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3927) 	.compat_ioctl = _ctl_mpt2_ioctl_compat,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3928) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3929) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3930) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3931) static struct miscdevice ctl_dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3932) 	.minor  = MPT3SAS_MINOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3933) 	.name   = MPT3SAS_DEV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3934) 	.fops   = &ctl_fops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3935) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3936) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3937) static struct miscdevice gen2_ctl_dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3938) 	.minor  = MPT2SAS_MINOR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3939) 	.name   = MPT2SAS_DEV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3940) 	.fops   = &ctl_gen2_fops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3941) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3942) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3943) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3944)  * mpt3sas_ctl_init - main entry point for ctl.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3945)  * @hbas_to_enumerate: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3946)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3947) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3948) mpt3sas_ctl_init(ushort hbas_to_enumerate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3949) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3950) 	async_queue = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3951) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3952) 	/* Don't register mpt3ctl ioctl device if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3953) 	 * hbas_to_enumarate is one.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3954) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3955) 	if (hbas_to_enumerate != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3956) 		if (misc_register(&ctl_dev) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3957) 			pr_err("%s can't register misc device [minor=%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3958) 			    MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3959) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3960) 	/* Don't register mpt3ctl ioctl device if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3961) 	 * hbas_to_enumarate is two.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3962) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3963) 	if (hbas_to_enumerate != 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3964) 		if (misc_register(&gen2_ctl_dev) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3965) 			pr_err("%s can't register misc device [minor=%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3966) 			    MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3967) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3968) 	init_waitqueue_head(&ctl_poll_wait);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3969) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3970) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3971) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3972)  * mpt3sas_ctl_exit - exit point for ctl
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3973)  * @hbas_to_enumerate: ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3974)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3975) void
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3976) mpt3sas_ctl_exit(ushort hbas_to_enumerate)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3977) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3978) 	struct MPT3SAS_ADAPTER *ioc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3979) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3980) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3981) 	list_for_each_entry(ioc, &mpt3sas_ioc_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3982) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3983) 		/* free memory associated to diag buffers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3984) 		for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3985) 			if (!ioc->diag_buffer[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3986) 				continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3987) 			dma_free_coherent(&ioc->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3988) 					  ioc->diag_buffer_sz[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3989) 					  ioc->diag_buffer[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3990) 					  ioc->diag_buffer_dma[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3991) 			ioc->diag_buffer[i] = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3992) 			ioc->diag_buffer_status[i] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3993) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3994) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3995) 		kfree(ioc->event_log);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3996) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3997) 	if (hbas_to_enumerate != 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3998) 		misc_deregister(&ctl_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3999) 	if (hbas_to_enumerate != 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4000) 		misc_deregister(&gen2_ctl_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4001) }