^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * This file is provided under a dual BSD/GPLv2 license. When using or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * redistributing this file, you may do so under either license.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * GPL LICENSE SUMMARY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * it under the terms of version 2 of the GNU General Public License as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * published by the Free Software Foundation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * This program is distributed in the hope that it will be useful, but
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * WITHOUT ANY WARRANTY; without even the implied warranty of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) * General Public License for more details.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * You should have received a copy of the GNU General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * along with this program; if not, write to the Free Software
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * The full GNU General Public License is included in this distribution
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * in the file called LICENSE.GPL.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * BSD LICENSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * * Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * notice, this list of conditions and the following disclaimer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * * Redistributions in binary form must reproduce the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * notice, this list of conditions and the following disclaimer in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * the documentation and/or other materials provided with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * distribution.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * * Neither the name of Intel Corporation nor the names of its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * contributors may be used to endorse or promote products derived
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * from this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) #include <linux/firmware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #include <linux/efi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) #include <asm/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #include <scsi/scsi_host.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) #include "host.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #include "isci.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #include "task.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #include "probe_roms.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define MAJ 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) #define MIN 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define BUILD 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) __stringify(BUILD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) MODULE_VERSION(DRV_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static struct scsi_transport_template *isci_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static const struct pci_device_id isci_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) { PCI_VDEVICE(INTEL, 0x1D61),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) { PCI_VDEVICE(INTEL, 0x1D63),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) { PCI_VDEVICE(INTEL, 0x1D65),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) { PCI_VDEVICE(INTEL, 0x1D67),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) { PCI_VDEVICE(INTEL, 0x1D69),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) { PCI_VDEVICE(INTEL, 0x1D6B),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) { PCI_VDEVICE(INTEL, 0x1D60),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) { PCI_VDEVICE(INTEL, 0x1D62),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) { PCI_VDEVICE(INTEL, 0x1D64),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) { PCI_VDEVICE(INTEL, 0x1D66),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) { PCI_VDEVICE(INTEL, 0x1D68),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) { PCI_VDEVICE(INTEL, 0x1D6A),},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) MODULE_DEVICE_TABLE(pci, isci_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* linux isci specific settings */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) unsigned char no_outbound_task_to = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) module_param(no_outbound_task_to, byte, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) MODULE_PARM_DESC(no_outbound_task_to, "No Outbound Task Timeout (1us incr)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) u16 ssp_max_occ_to = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) module_param(ssp_max_occ_to, ushort, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) MODULE_PARM_DESC(ssp_max_occ_to, "SSP Max occupancy timeout (100us incr)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) u16 stp_max_occ_to = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) module_param(stp_max_occ_to, ushort, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) MODULE_PARM_DESC(stp_max_occ_to, "STP Max occupancy timeout (100us incr)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) u16 ssp_inactive_to = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) module_param(ssp_inactive_to, ushort, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) MODULE_PARM_DESC(ssp_inactive_to, "SSP inactivity timeout (100us incr)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) u16 stp_inactive_to = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) module_param(stp_inactive_to, ushort, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) MODULE_PARM_DESC(stp_inactive_to, "STP inactivity timeout (100us incr)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) unsigned char phy_gen = SCIC_SDS_PARM_GEN2_SPEED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) module_param(phy_gen, byte, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) MODULE_PARM_DESC(phy_gen, "PHY generation (1: 1.5Gbps 2: 3.0Gbps 3: 6.0Gbps)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) unsigned char max_concurr_spinup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) module_param(max_concurr_spinup, byte, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) MODULE_PARM_DESC(max_concurr_spinup, "Max concurrent device spinup");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) uint cable_selection_override = CABLE_OVERRIDE_DISABLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) module_param(cable_selection_override, uint, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) MODULE_PARM_DESC(cable_selection_override,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) "This field indicates length of the SAS/SATA cable between "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) "host and device. If any bits > 15 are set (default) "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) "indicates \"use platform defaults\"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) static struct device_attribute *isci_host_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) &dev_attr_isci_id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) static struct scsi_host_template isci_sht = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) .module = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .proc_name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .queuecommand = sas_queuecommand,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .dma_need_drain = ata_scsi_dma_need_drain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .target_alloc = sas_target_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .slave_configure = sas_slave_configure,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) .scan_finished = isci_host_scan_finished,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) .scan_start = isci_host_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) .change_queue_depth = sas_change_queue_depth,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .bios_param = sas_bios_param,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .can_queue = ISCI_CAN_QUEUE_VAL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .this_id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .sg_tablesize = SG_ALL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) .eh_abort_handler = sas_eh_abort_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) .eh_device_reset_handler = sas_eh_device_reset_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) .eh_target_reset_handler = sas_eh_target_reset_handler,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .slave_alloc = sas_slave_alloc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .target_destroy = sas_target_destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .ioctl = sas_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) .compat_ioctl = sas_ioctl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) .shost_attrs = isci_host_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) .track_queue_depth = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) static struct sas_domain_function_template isci_transport_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) /* The class calls these to notify the LLDD of an event. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) .lldd_port_formed = isci_port_formed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) .lldd_port_deformed = isci_port_deformed,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) /* The class calls these when a device is found or gone. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .lldd_dev_found = isci_remote_device_found,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .lldd_dev_gone = isci_remote_device_gone,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .lldd_execute_task = isci_task_execute_task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) /* Task Management Functions. Must be called from process context. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) .lldd_abort_task = isci_task_abort_task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) .lldd_abort_task_set = isci_task_abort_task_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .lldd_clear_aca = isci_task_clear_aca,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .lldd_clear_task_set = isci_task_clear_task_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .lldd_I_T_nexus_reset = isci_task_I_T_nexus_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .lldd_lu_reset = isci_task_lu_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .lldd_query_task = isci_task_query_task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* ata recovery called from ata-eh */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) .lldd_ata_check_ready = isci_ata_check_ready,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) /* Port and Adapter management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .lldd_clear_nexus_port = isci_task_clear_nexus_port,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .lldd_clear_nexus_ha = isci_task_clear_nexus_ha,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) /* Phy management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) .lldd_control_phy = isci_phy_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* GPIO support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .lldd_write_gpio = isci_gpio_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) * P R O T E C T E D M E T H O D S
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * isci_register_sas_ha() - This method initializes various lldd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) * specific members of the sas_ha struct and calls the libsas
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) * sas_register_ha() function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) * @isci_host: This parameter specifies the lldd specific wrapper for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) * libsas sas_ha struct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) * This method returns an error code indicating success or failure. The user
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) * should check for possible memory allocation error return otherwise, a zero
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) * indicates success.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static int isci_register_sas_ha(struct isci_host *isci_host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct sas_ha_struct *sas_ha = &(isci_host->sas_ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct asd_sas_phy **sas_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) struct asd_sas_port **sas_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) sas_phys = devm_kcalloc(&isci_host->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) SCI_MAX_PHYS, sizeof(void *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) if (!sas_phys)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) sas_ports = devm_kcalloc(&isci_host->pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) SCI_MAX_PORTS, sizeof(void *),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) if (!sas_ports)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) sas_ha->sas_ha_name = DRV_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) sas_ha->lldd_module = THIS_MODULE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) sas_ha->sas_addr = &isci_host->phys[0].sas_addr[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) for (i = 0; i < SCI_MAX_PHYS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) sas_phys[i] = &isci_host->phys[i].sas_phy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) sas_ports[i] = &isci_host->sas_ports[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) sas_ha->sas_phy = sas_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) sas_ha->sas_port = sas_ports;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) sas_ha->num_phys = SCI_MAX_PHYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) sas_ha->strict_wide_ports = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) sas_register_ha(sas_ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) static void isci_unregister(struct isci_host *isci_host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) struct Scsi_Host *shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (!isci_host)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) shost = to_shost(isci_host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) sas_unregister_ha(&isci_host->sas_ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) sas_remove_host(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) scsi_host_put(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static int isci_pci_init(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) int err, bar_num, bar_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) void __iomem * const *iomap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) err = pcim_enable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) "failed enable PCI device %s!\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) pci_name(pdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) for (bar_num = 0; bar_num < SCI_PCI_BAR_COUNT; bar_num++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) bar_mask |= 1 << (bar_num * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) err = pcim_iomap_regions(pdev, bar_mask, DRV_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) iomap = pcim_iomap_table(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) if (!iomap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) pci_set_master(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) static int num_controllers(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) /* bar size alone can tell us if we are running with a dual controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) * part, no need to trust revision ids that might be under broken firmware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) * control
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) resource_size_t scu_bar_size = pci_resource_len(pdev, SCI_SCU_BAR*2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) resource_size_t smu_bar_size = pci_resource_len(pdev, SCI_SMU_BAR*2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) if (scu_bar_size >= SCI_SCU_BAR_SIZE*SCI_MAX_CONTROLLERS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) smu_bar_size >= SCI_SMU_BAR_SIZE*SCI_MAX_CONTROLLERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) return SCI_MAX_CONTROLLERS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) static int isci_setup_interrupts(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) int err, i, num_msix;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) struct isci_host *ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) struct isci_pci_info *pci_info = to_pci_info(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) * Determine the number of vectors associated with this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) * PCI function.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) num_msix = num_controllers(pdev) * SCI_NUM_MSI_X_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) err = pci_alloc_irq_vectors(pdev, num_msix, num_msix, PCI_IRQ_MSIX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) goto intx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) for (i = 0; i < num_msix; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) int id = i / SCI_NUM_MSI_X_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) irq_handler_t isr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) ihost = pci_info->hosts[id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /* odd numbered vectors are error interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) if (i & 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) isr = isci_error_isr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) isr = isci_msix_isr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) err = devm_request_irq(&pdev->dev, pci_irq_vector(pdev, i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) isr, 0, DRV_NAME"-msix", ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) if (!err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) dev_info(&pdev->dev, "msix setup failed falling back to intx\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) while (i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) id = i / SCI_NUM_MSI_X_INT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) ihost = pci_info->hosts[id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) devm_free_irq(&pdev->dev, pci_irq_vector(pdev, i),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) pci_free_irq_vectors(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) goto intx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) intx:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) for_each_isci_host(i, ihost, pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) err = devm_request_irq(&pdev->dev, pci_irq_vector(pdev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) isci_intx_isr, IRQF_SHARED, DRV_NAME"-intx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) static void isci_user_parameters_get(struct sci_user_parameters *u)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) for (i = 0; i < SCI_MAX_PHYS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) struct sci_phy_user_params *u_phy = &u->phys[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) u_phy->max_speed_generation = phy_gen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /* we are not exporting these for now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) u_phy->align_insertion_frequency = 0x7f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) u_phy->in_connection_align_insertion_frequency = 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) u_phy->notify_enable_spin_up_insertion_frequency = 0x33;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) u->stp_inactivity_timeout = stp_inactive_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) u->ssp_inactivity_timeout = ssp_inactive_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) u->stp_max_occupancy_timeout = stp_max_occ_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) u->ssp_max_occupancy_timeout = ssp_max_occ_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) u->no_outbound_task_timeout = no_outbound_task_to;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) u->max_concurr_spinup = max_concurr_spinup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) static enum sci_status sci_user_parameters_set(struct isci_host *ihost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) struct sci_user_parameters *sci_parms)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) u16 index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) * Validate the user parameters. If they are not legal, then
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) * return a failure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) for (index = 0; index < SCI_MAX_PHYS; index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) struct sci_phy_user_params *u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) u = &sci_parms->phys[index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) if (!((u->max_speed_generation <= SCIC_SDS_PARM_MAX_SPEED) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) (u->max_speed_generation > SCIC_SDS_PARM_NO_SPEED)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) return SCI_FAILURE_INVALID_PARAMETER_VALUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) if ((u->in_connection_align_insertion_frequency < 3) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) (u->align_insertion_frequency == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) (u->notify_enable_spin_up_insertion_frequency == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) return SCI_FAILURE_INVALID_PARAMETER_VALUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) if ((sci_parms->stp_inactivity_timeout == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) (sci_parms->ssp_inactivity_timeout == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) (sci_parms->stp_max_occupancy_timeout == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) (sci_parms->ssp_max_occupancy_timeout == 0) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) (sci_parms->no_outbound_task_timeout == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) return SCI_FAILURE_INVALID_PARAMETER_VALUE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) memcpy(&ihost->user_parameters, sci_parms, sizeof(*sci_parms));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) return SCI_SUCCESS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) static void sci_oem_defaults(struct isci_host *ihost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) /* these defaults are overridden by the platform / firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) struct sci_user_parameters *user = &ihost->user_parameters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) struct sci_oem_params *oem = &ihost->oem_parameters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) /* Default to APC mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) oem->controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) /* Default to APC mode. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) oem->controller.max_concurr_spin_up = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) /* Default to no SSC operation. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) oem->controller.do_enable_ssc = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) /* Default to short cables on all phys. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) oem->controller.cable_selection_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) /* Initialize all of the port parameter information to narrow ports. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) for (i = 0; i < SCI_MAX_PORTS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) oem->ports[i].phy_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) /* Initialize all of the phy parameter information. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) for (i = 0; i < SCI_MAX_PHYS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) /* Default to 3G (i.e. Gen 2). */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) user->phys[i].max_speed_generation = SCIC_SDS_PARM_GEN2_SPEED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) /* the frequencies cannot be 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) user->phys[i].align_insertion_frequency = 0x7f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) user->phys[i].in_connection_align_insertion_frequency = 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) user->phys[i].notify_enable_spin_up_insertion_frequency = 0x33;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) /* Previous Vitesse based expanders had a arbitration issue that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) * is worked around by having the upper 32-bits of SAS address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) * with a value greater then the Vitesse company identifier.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) * Hence, usage of 0x5FCFFFFF.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) oem->phys[i].sas_address.low = 0x1 + ihost->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) oem->phys[i].sas_address.high = 0x5FCFFFFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) user->stp_inactivity_timeout = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) user->ssp_inactivity_timeout = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) user->stp_max_occupancy_timeout = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) user->ssp_max_occupancy_timeout = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) user->no_outbound_task_timeout = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) struct isci_orom *orom = to_pci_info(pdev)->orom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) struct sci_user_parameters sci_user_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) u8 oem_version = ISCI_ROM_VER_1_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) struct isci_host *ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) struct Scsi_Host *shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) int err, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) ihost = devm_kzalloc(&pdev->dev, sizeof(*ihost), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) if (!ihost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) ihost->pdev = pdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) ihost->id = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) spin_lock_init(&ihost->scic_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) init_waitqueue_head(&ihost->eventq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) ihost->sas_ha.dev = &ihost->pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) ihost->sas_ha.lldd_ha = ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) tasklet_init(&ihost->completion_tasklet,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) isci_host_completion_routine, (unsigned long)ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) /* validate module parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) /* TODO: kill struct sci_user_parameters and reference directly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) sci_oem_defaults(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) isci_user_parameters_get(&sci_user_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) if (sci_user_parameters_set(ihost, &sci_user_params)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) dev_warn(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) "%s: sci_user_parameters_set failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) return NULL;
^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) /* sanity check platform (or 'firmware') oem parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) if (orom) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (id < 0 || id >= SCI_MAX_CONTROLLERS || id > orom->hdr.num_elements) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) dev_warn(&pdev->dev, "parsing firmware oem parameters failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) ihost->oem_parameters = orom->ctrl[id];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) oem_version = orom->hdr.version;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) /* validate oem parameters (platform, firmware, or built-in defaults) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) if (sci_oem_parameters_validate(&ihost->oem_parameters, oem_version)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) dev_warn(&pdev->dev, "oem parameter validation failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) for (i = 0; i < SCI_MAX_PORTS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) struct isci_port *iport = &ihost->ports[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) INIT_LIST_HEAD(&iport->remote_dev_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) iport->isci_host = ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) for (i = 0; i < SCI_MAX_PHYS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) isci_phy_init(&ihost->phys[i], ihost, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) for (i = 0; i < SCI_MAX_REMOTE_DEVICES; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) struct isci_remote_device *idev = &ihost->devices[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) INIT_LIST_HEAD(&idev->node);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) shost = scsi_host_alloc(&isci_sht, sizeof(void *));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) if (!shost)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) dev_info(&pdev->dev, "%sSCU controller %d: phy 3-0 cables: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) "{%s, %s, %s, %s}\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) (is_cable_select_overridden() ? "* " : ""), ihost->id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) lookup_cable_names(decode_cable_selection(ihost, 3)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) lookup_cable_names(decode_cable_selection(ihost, 2)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) lookup_cable_names(decode_cable_selection(ihost, 1)),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) lookup_cable_names(decode_cable_selection(ihost, 0)));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) err = isci_host_init(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) goto err_shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) SHOST_TO_SAS_HA(shost) = &ihost->sas_ha;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) ihost->sas_ha.core.shost = shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) shost->transportt = isci_transport_template;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) shost->max_id = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) shost->max_lun = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) shost->max_cmd_len = MAX_COMMAND_SIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) /* turn on DIF support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) scsi_host_set_prot(shost,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) SHOST_DIF_TYPE1_PROTECTION |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) SHOST_DIF_TYPE2_PROTECTION |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) SHOST_DIF_TYPE3_PROTECTION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) err = scsi_add_host(shost, &pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) goto err_shost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) err = isci_register_sas_ha(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) goto err_shost_remove;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) return ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) err_shost_remove:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) scsi_remove_host(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) err_shost:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) scsi_host_put(shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) static int isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) struct isci_pci_info *pci_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) int err, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) struct isci_host *isci_host;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) const struct firmware *fw = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) struct isci_orom *orom = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) char *source = "(platform)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) dev_info(&pdev->dev, "driver configured for rev: %d silicon\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) pdev->revision);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) pci_info = devm_kzalloc(&pdev->dev, sizeof(*pci_info), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) if (!pci_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) pci_set_drvdata(pdev, pci_info);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) if (efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) orom = isci_get_efi_var(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) if (!orom)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) orom = isci_request_oprom(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) for (i = 0; orom && i < num_controllers(pdev); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) if (sci_oem_parameters_validate(&orom->ctrl[i],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) orom->hdr.version)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) dev_warn(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) "[%d]: invalid oem parameters detected, falling back to firmware\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) orom = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) if (!orom) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) source = "(firmware)";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) orom = isci_request_firmware(pdev, fw);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) if (!orom) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) /* TODO convert this to WARN_TAINT_ONCE once the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) * orom/efi parameter support is widely available
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) dev_warn(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) "Loading user firmware failed, using default "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) "values\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) dev_warn(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) "Default OEM configuration being used: 4 "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) "narrow ports, and default SAS Addresses\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (orom)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) dev_info(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) "OEM SAS parameters (version: %u.%u) loaded %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) (orom->hdr.version & 0xf0) >> 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) (orom->hdr.version & 0xf), source);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) pci_info->orom = orom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) err = isci_pci_init(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) for (i = 0; i < num_controllers(pdev); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) struct isci_host *h = isci_host_alloc(pdev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) if (!h) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) goto err_host_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) pci_info->hosts[i] = h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) err = isci_setup_interrupts(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) goto err_host_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) for_each_isci_host(i, isci_host, pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) scsi_scan_host(to_shost(isci_host));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) err_host_alloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) for_each_isci_host(i, isci_host, pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) isci_unregister(isci_host);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) static void isci_pci_remove(struct pci_dev *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) struct isci_host *ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) for_each_isci_host(i, ihost, pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) wait_for_start(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) isci_unregister(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) isci_host_deinit(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) }
^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) #ifdef CONFIG_PM_SLEEP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) static int isci_suspend(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) struct pci_dev *pdev = to_pci_dev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) struct isci_host *ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) for_each_isci_host(i, ihost, pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) sas_suspend_ha(&ihost->sas_ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) isci_host_deinit(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) pci_save_state(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) pci_disable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) pci_set_power_state(pdev, PCI_D3hot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) static int isci_resume(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) struct pci_dev *pdev = to_pci_dev(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) struct isci_host *ihost;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) int rc, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) pci_set_power_state(pdev, PCI_D0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) pci_restore_state(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) rc = pcim_enable_device(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) "enabling device failure after resume(%d)\n", rc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) pci_set_master(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) for_each_isci_host(i, ihost, pdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) sas_prep_resume_ha(&ihost->sas_ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) isci_host_init(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) isci_host_start(ihost->sas_ha.core.shost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) wait_for_start(ihost);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) sas_resume_ha(&ihost->sas_ha);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) static SIMPLE_DEV_PM_OPS(isci_pm_ops, isci_suspend, isci_resume);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) static struct pci_driver isci_pci_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) .name = DRV_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) .id_table = isci_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) .probe = isci_pci_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) .remove = isci_pci_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) .driver.pm = &isci_pm_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) static __init int isci_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) pr_info("%s: Intel(R) C600 SAS Controller Driver - version %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) DRV_NAME, DRV_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) isci_transport_template = sas_domain_attach_transport(&isci_transport_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) if (!isci_transport_template)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) err = pci_register_driver(&isci_pci_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) sas_release_transport(isci_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) static __exit void isci_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) pci_unregister_driver(&isci_pci_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) sas_release_transport(isci_transport_template);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) MODULE_LICENSE("Dual BSD/GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) MODULE_FIRMWARE(ISCI_FW_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) module_init(isci_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) module_exit(isci_exit);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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