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linit.c
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linux-6.19.14/drivers/scsi/aacraid/linit.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Adaptec AAC series RAID controller driver 4 * (c) Copyright 2001 Red Hat Inc. 5 * 6 * based on the old aacraid driver that is.. 7 * Adaptec aacraid device driver for Linux. 8 * 9 * Copyright (c) 2000-2010 Adaptec, Inc. 10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) 12 * 13 * Module Name: 14 * linit.c 15 * 16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 17 */ 18 19 20#include <linux/compat.h> 21#include <linux/blkdev.h> 22#include <linux/completion.h> 23#include <linux/init.h> 24#include <linux/interrupt.h> 25#include <linux/kernel.h> 26#include <linux/module.h> 27#include <linux/moduleparam.h> 28#include <linux/pci.h> 29#include <linux/slab.h> 30#include <linux/mutex.h> 31#include <linux/spinlock.h> 32#include <linux/syscalls.h> 33#include <linux/delay.h> 34#include <linux/kthread.h> 35#include <linux/msdos_partition.h> 36 37#include <scsi/scsi.h> 38#include <scsi/scsi_cmnd.h> 39#include <scsi/scsi_device.h> 40#include <scsi/scsi_host.h> 41#include <scsi/scsi_tcq.h> 42#include <scsi/scsicam.h> 43#include <scsi/scsi_eh.h> 44 45#include "aacraid.h" 46 47#define AAC_DRIVER_VERSION "1.2.1" 48#ifndef AAC_DRIVER_BRANCH 49#define AAC_DRIVER_BRANCH "" 50#endif 51#define AAC_DRIVERNAME "aacraid" 52 53#ifdef AAC_DRIVER_BUILD 54#define _str(x) #x 55#define str(x) _str(x) 56#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 57#else 58#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH 59#endif 60 61MODULE_AUTHOR("Red Hat Inc and Adaptec"); 62MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 63 "Adaptec Advanced Raid Products, " 64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 65MODULE_LICENSE("GPL"); 66MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 67 68static DEFINE_MUTEX(aac_mutex); 69static LIST_HEAD(aac_devices); 70static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; 71char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 72 73/* 74 * Because of the way Linux names scsi devices, the order in this table has 75 * become important. Check for on-board Raid first, add-in cards second. 76 * 77 * Note: The last field is used to index into aac_drivers below. 78 */ 79static const struct pci_device_id aac_pci_tbl[] = { 80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 96 97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 135 136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 141 142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ 148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ 149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ 150 { 0,} 151}; 152MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 153 154/* 155 * dmb - For now we add the number of channels to this structure. 156 * In the future we should add a fib that reports the number of channels 157 * for the card. At that time we can remove the channels from here 158 */ 159static struct aac_driver_ident aac_drivers[] = { 160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 176 177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 213 214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 219 220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ 225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */ 226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */ 227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */ 228}; 229 230/** 231 * aac_queuecommand - queue a SCSI command 232 * @shost: Scsi host to queue command on 233 * @cmd: SCSI command to queue 234 * 235 * Queues a command for execution by the associated Host Adapter. 236 * 237 * TODO: unify with aac_scsi_cmd(). 238 */ 239 240static int aac_queuecommand(struct Scsi_Host *shost, 241 struct scsi_cmnd *cmd) 242{ 243 aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL; 244 245 return aac_scsi_cmd(cmd) ? SCSI_MLQUEUE_HOST_BUSY : 0; 246} 247 248/** 249 * aac_info - Returns the host adapter name 250 * @shost: Scsi host to report on 251 * 252 * Returns a static string describing the device in question 253 */ 254 255static const char *aac_info(struct Scsi_Host *shost) 256{ 257 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 258 return aac_drivers[dev->cardtype].name; 259} 260 261/** 262 * aac_get_driver_ident 263 * @devtype: index into lookup table 264 * 265 * Returns a pointer to the entry in the driver lookup table. 266 */ 267 268struct aac_driver_ident* aac_get_driver_ident(int devtype) 269{ 270 return &aac_drivers[devtype]; 271} 272 273/** 274 * aac_biosparm - return BIOS parameters for disk 275 * @sdev: The scsi device corresponding to the disk 276 * @disk: the gendisk corresponding to the disk 277 * @capacity: the sector capacity of the disk 278 * @geom: geometry block to fill in 279 * 280 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 281 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 282 * number of cylinders so as not to exceed drive capacity. In order for 283 * disks equal to or larger than 1 GB to be addressable by the BIOS 284 * without exceeding the BIOS limitation of 1024 cylinders, Extended 285 * Translation should be enabled. With Extended Translation enabled, 286 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 287 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 288 * are given a disk geometry of 255 heads and 63 sectors. However, if 289 * the BIOS detects that the Extended Translation setting does not match 290 * the geometry in the partition table, then the translation inferred 291 * from the partition table will be used by the BIOS, and a warning may 292 * be displayed. 293 */ 294 295static int aac_biosparm(struct scsi_device *sdev, struct gendisk *disk, 296 sector_t capacity, int *geom) 297{ 298 struct diskparm *param = (struct diskparm *)geom; 299 unsigned char *buf; 300 301 dprintk((KERN_DEBUG "aac_biosparm.\n")); 302 303 /* 304 * Assuming extended translation is enabled - #REVISIT# 305 */ 306 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 307 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 308 param->heads = 255; 309 param->sectors = 63; 310 } else { 311 param->heads = 128; 312 param->sectors = 32; 313 } 314 } else { 315 param->heads = 64; 316 param->sectors = 32; 317 } 318 319 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 320 321 /* 322 * Read the first 1024 bytes from the disk device, if the boot 323 * sector partition table is valid, search for a partition table 324 * entry whose end_head matches one of the standard geometry 325 * translations ( 64/32, 128/32, 255/63 ). 326 */ 327 buf = scsi_bios_ptable(disk); 328 if (!buf) 329 return 0; 330 if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) { 331 struct msdos_partition *first = (struct msdos_partition *)buf; 332 struct msdos_partition *entry = first; 333 int saved_cylinders = param->cylinders; 334 int num; 335 unsigned char end_head, end_sec; 336 337 for(num = 0; num < 4; num++) { 338 end_head = entry->end_head; 339 end_sec = entry->end_sector & 0x3f; 340 341 if(end_head == 63) { 342 param->heads = 64; 343 param->sectors = 32; 344 break; 345 } else if(end_head == 127) { 346 param->heads = 128; 347 param->sectors = 32; 348 break; 349 } else if(end_head == 254) { 350 param->heads = 255; 351 param->sectors = 63; 352 break; 353 } 354 entry++; 355 } 356 357 if (num == 4) { 358 end_head = first->end_head; 359 end_sec = first->end_sector & 0x3f; 360 } 361 362 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 363 if (num < 4 && end_sec == param->sectors) { 364 if (param->cylinders != saved_cylinders) { 365 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 366 param->heads, param->sectors, num)); 367 } 368 } else if (end_head > 0 || end_sec > 0) { 369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 370 end_head + 1, end_sec, num)); 371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 372 param->heads, param->sectors)); 373 } 374 } 375 kfree(buf); 376 return 0; 377} 378 379/** 380 * aac_sdev_configure - compute queue depths 381 * @sdev: SCSI device we are considering 382 * @lim: Request queue limits 383 * 384 * Selects queue depths for each target device based on the host adapter's 385 * total capacity and the queue depth supported by the target device. 386 * A queue depth of one automatically disables tagged queueing. 387 */ 388 389static int aac_sdev_configure(struct scsi_device *sdev, 390 struct queue_limits *lim) 391{ 392 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 393 int chn, tid; 394 unsigned int depth = 0; 395 unsigned int set_timeout = 0; 396 int timeout = 0; 397 bool set_qd_dev_type = false; 398 u8 devtype = 0; 399 400 chn = aac_logical_to_phys(sdev_channel(sdev)); 401 tid = sdev_id(sdev); 402 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) { 403 devtype = aac->hba_map[chn][tid].devtype; 404 405 if (devtype == AAC_DEVTYPE_NATIVE_RAW) { 406 depth = aac->hba_map[chn][tid].qd_limit; 407 set_timeout = 1; 408 goto common_config; 409 } 410 if (devtype == AAC_DEVTYPE_ARC_RAW) { 411 set_qd_dev_type = true; 412 set_timeout = 1; 413 goto common_config; 414 } 415 } 416 417 if (aac->jbod && (sdev->type == TYPE_DISK)) 418 sdev->removable = 1; 419 420 if (sdev->type == TYPE_DISK 421 && sdev_channel(sdev) != CONTAINER_CHANNEL 422 && (!aac->jbod || sdev->inq_periph_qual) 423 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 424 425 if (expose_physicals == 0) 426 return -ENXIO; 427 428 if (expose_physicals < 0) 429 sdev->no_uld_attach = 1; 430 } 431 432 if (sdev->tagged_supported 433 && sdev->type == TYPE_DISK 434 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 435 && !sdev->no_uld_attach) { 436 437 struct scsi_device * dev; 438 struct Scsi_Host *host = sdev->host; 439 unsigned num_lsu = 0; 440 unsigned num_one = 0; 441 unsigned cid; 442 443 set_timeout = 1; 444 445 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 446 if (aac->fsa_dev[cid].valid) 447 ++num_lsu; 448 449 __shost_for_each_device(dev, host) { 450 if (dev->tagged_supported 451 && dev->type == TYPE_DISK 452 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 453 && !dev->no_uld_attach) { 454 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 455 || !aac->fsa_dev[sdev_id(dev)].valid) { 456 ++num_lsu; 457 } 458 } else { 459 ++num_one; 460 } 461 } 462 463 if (num_lsu == 0) 464 ++num_lsu; 465 466 depth = (host->can_queue - num_one) / num_lsu; 467 468 if (sdev_channel(sdev) != NATIVE_CHANNEL) 469 goto common_config; 470 471 set_qd_dev_type = true; 472 473 } 474 475common_config: 476 477 /* 478 * Check if SATA drive 479 */ 480 if (set_qd_dev_type) { 481 if (strncmp(sdev->vendor, "ATA", 3) == 0) 482 depth = 32; 483 else 484 depth = 64; 485 } 486 487 /* 488 * Firmware has an individual device recovery time typically 489 * of 35 seconds, give us a margin. Thor devices can take longer in 490 * error recovery, hence different value. 491 */ 492 if (set_timeout) { 493 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT; 494 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ); 495 } 496 497 if (depth > 256) 498 depth = 256; 499 else if (depth < 1) 500 depth = 1; 501 502 scsi_change_queue_depth(sdev, depth); 503 504 sdev->tagged_supported = 1; 505 506 return 0; 507} 508 509/** 510 * aac_change_queue_depth - alter queue depths 511 * @sdev: SCSI device we are considering 512 * @depth: desired queue depth 513 * 514 * Alters queue depths for target device based on the host adapter's 515 * total capacity and the queue depth supported by the target device. 516 */ 517 518static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 519{ 520 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 521 int chn, tid, is_native_device = 0; 522 523 chn = aac_logical_to_phys(sdev_channel(sdev)); 524 tid = sdev_id(sdev); 525 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && 526 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) 527 is_native_device = 1; 528 529 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 530 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 531 struct scsi_device * dev; 532 struct Scsi_Host *host = sdev->host; 533 unsigned num = 0; 534 535 __shost_for_each_device(dev, host) { 536 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 537 (sdev_channel(dev) == CONTAINER_CHANNEL)) 538 ++num; 539 ++num; 540 } 541 if (num >= host->can_queue) 542 num = host->can_queue - 1; 543 if (depth > (host->can_queue - num)) 544 depth = host->can_queue - num; 545 if (depth > 256) 546 depth = 256; 547 else if (depth < 2) 548 depth = 2; 549 return scsi_change_queue_depth(sdev, depth); 550 } else if (is_native_device) { 551 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit); 552 } else { 553 scsi_change_queue_depth(sdev, 1); 554 } 555 return sdev->queue_depth; 556} 557 558static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 559{ 560 struct scsi_device *sdev = to_scsi_device(dev); 561 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 562 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 563 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 564 ? "Hidden\n" : 565 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 566 return snprintf(buf, PAGE_SIZE, "%s\n", 567 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 568} 569 570static struct device_attribute aac_raid_level_attr = { 571 .attr = { 572 .name = "level", 573 .mode = S_IRUGO, 574 }, 575 .show = aac_show_raid_level 576}; 577 578static ssize_t aac_show_unique_id(struct device *dev, 579 struct device_attribute *attr, char *buf) 580{ 581 struct scsi_device *sdev = to_scsi_device(dev); 582 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 583 unsigned char sn[16]; 584 585 memset(sn, 0, sizeof(sn)); 586 587 if (sdev_channel(sdev) == CONTAINER_CHANNEL) 588 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn)); 589 590 return snprintf(buf, 16 * 2 + 2, 591 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n", 592 sn[0], sn[1], sn[2], sn[3], 593 sn[4], sn[5], sn[6], sn[7], 594 sn[8], sn[9], sn[10], sn[11], 595 sn[12], sn[13], sn[14], sn[15]); 596} 597 598static struct device_attribute aac_unique_id_attr = { 599 .attr = { 600 .name = "unique_id", 601 .mode = 0444, 602 }, 603 .show = aac_show_unique_id 604}; 605 606 607 608static struct attribute *aac_dev_attrs[] = { 609 &aac_raid_level_attr.attr, 610 &aac_unique_id_attr.attr, 611 NULL, 612}; 613 614ATTRIBUTE_GROUPS(aac_dev); 615 616static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd, 617 void __user *arg) 618{ 619 int retval; 620 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 621 if (!capable(CAP_SYS_RAWIO)) 622 return -EPERM; 623 retval = aac_adapter_check_health(dev); 624 if (retval) 625 return -EBUSY; 626 return aac_do_ioctl(dev, cmd, arg); 627} 628 629struct fib_count_data { 630 int mlcnt; 631 int llcnt; 632 int ehcnt; 633 int fwcnt; 634 int krlcnt; 635}; 636 637static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data) 638{ 639 struct fib_count_data *fib_count = data; 640 641 switch (aac_priv(scmnd)->owner) { 642 case AAC_OWNER_FIRMWARE: 643 fib_count->fwcnt++; 644 break; 645 case AAC_OWNER_ERROR_HANDLER: 646 fib_count->ehcnt++; 647 break; 648 case AAC_OWNER_LOWLEVEL: 649 fib_count->llcnt++; 650 break; 651 case AAC_OWNER_MIDLEVEL: 652 fib_count->mlcnt++; 653 break; 654 default: 655 fib_count->krlcnt++; 656 break; 657 } 658 return true; 659} 660 661/* Called during SCSI EH, so we don't need to block requests */ 662static int get_num_of_incomplete_fibs(struct aac_dev *aac) 663{ 664 struct Scsi_Host *shost = aac->scsi_host_ptr; 665 struct device *ctrl_dev; 666 struct fib_count_data fcnt = { }; 667 668 scsi_host_busy_iter(shost, fib_count_iter, &fcnt); 669 670 ctrl_dev = &aac->pdev->dev; 671 672 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt); 673 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt); 674 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt); 675 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt); 676 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt); 677 678 return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt; 679} 680 681static int aac_eh_abort(struct scsi_cmnd* cmd) 682{ 683 struct aac_cmd_priv *cmd_priv = aac_priv(cmd); 684 struct scsi_device * dev = cmd->device; 685 struct Scsi_Host * host = dev->host; 686 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 687 int count, found; 688 u32 bus, cid; 689 int ret = FAILED; 690 691 if (aac_adapter_check_health(aac)) 692 return ret; 693 694 bus = aac_logical_to_phys(scmd_channel(cmd)); 695 cid = scmd_id(cmd); 696 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { 697 struct fib *fib; 698 struct aac_hba_tm_req *tmf; 699 int status; 700 u64 address; 701 702 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n", 703 AAC_DRIVERNAME, 704 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun); 705 706 found = 0; 707 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 708 fib = &aac->fibs[count]; 709 if (*(u8 *)fib->hw_fib_va != 0 && 710 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) && 711 (fib->callback_data == cmd)) { 712 found = 1; 713 break; 714 } 715 } 716 if (!found) 717 return ret; 718 719 /* start a HBA_TMF_ABORT_TASK TMF request */ 720 fib = aac_fib_alloc(aac); 721 if (!fib) 722 return ret; 723 724 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 725 memset(tmf, 0, sizeof(*tmf)); 726 tmf->tmf = HBA_TMF_ABORT_TASK; 727 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; 728 tmf->lun[1] = cmd->device->lun; 729 730 address = (u64)fib->hw_error_pa; 731 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 732 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 733 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 734 735 fib->hbacmd_size = sizeof(*tmf); 736 cmd_priv->sent_command = 0; 737 738 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib, 739 (fib_callback) aac_hba_callback, 740 (void *) cmd); 741 if (status != -EINPROGRESS) { 742 aac_fib_complete(fib); 743 aac_fib_free(fib); 744 return ret; 745 } 746 /* Wait up to 15 secs for completion */ 747 for (count = 0; count < 15; ++count) { 748 if (cmd_priv->sent_command) { 749 ret = SUCCESS; 750 break; 751 } 752 msleep(1000); 753 } 754 755 if (ret != SUCCESS) 756 pr_err("%s: Host adapter abort request timed out\n", 757 AAC_DRIVERNAME); 758 } else { 759 pr_err( 760 "%s: Host adapter abort request.\n" 761 "%s: Outstanding commands on (%d,%d,%d,%d):\n", 762 AAC_DRIVERNAME, AAC_DRIVERNAME, 763 host->host_no, sdev_channel(dev), sdev_id(dev), 764 (int)dev->lun); 765 switch (cmd->cmnd[0]) { 766 case SERVICE_ACTION_IN_16: 767 if (!(aac->raw_io_interface) || 768 !(aac->raw_io_64) || 769 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 770 break; 771 fallthrough; 772 case INQUIRY: 773 case READ_CAPACITY: 774 /* 775 * Mark associated FIB to not complete, 776 * eh handler does this 777 */ 778 for (count = 0; 779 count < (host->can_queue + AAC_NUM_MGT_FIB); 780 ++count) { 781 struct fib *fib = &aac->fibs[count]; 782 783 if (fib->hw_fib_va->header.XferState && 784 (fib->flags & FIB_CONTEXT_FLAG) && 785 (fib->callback_data == cmd)) { 786 fib->flags |= 787 FIB_CONTEXT_FLAG_TIMED_OUT; 788 cmd_priv->owner = 789 AAC_OWNER_ERROR_HANDLER; 790 ret = SUCCESS; 791 } 792 } 793 break; 794 case TEST_UNIT_READY: 795 /* 796 * Mark associated FIB to not complete, 797 * eh handler does this 798 */ 799 for (count = 0; 800 count < (host->can_queue + AAC_NUM_MGT_FIB); 801 ++count) { 802 struct scsi_cmnd *command; 803 struct fib *fib = &aac->fibs[count]; 804 805 command = fib->callback_data; 806 807 if ((fib->hw_fib_va->header.XferState & 808 cpu_to_le32 809 (Async | NoResponseExpected)) && 810 (fib->flags & FIB_CONTEXT_FLAG) && 811 ((command)) && 812 (command->device == cmd->device)) { 813 fib->flags |= 814 FIB_CONTEXT_FLAG_TIMED_OUT; 815 aac_priv(command)->owner = 816 AAC_OWNER_ERROR_HANDLER; 817 if (command == cmd) 818 ret = SUCCESS; 819 } 820 } 821 break; 822 } 823 } 824 return ret; 825} 826 827static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info, 828 struct fib *fib, u64 tmf_lun) 829{ 830 struct aac_hba_tm_req *tmf; 831 u64 address; 832 833 /* start a HBA_TMF_LUN_RESET TMF request */ 834 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 835 memset(tmf, 0, sizeof(*tmf)); 836 tmf->tmf = HBA_TMF_LUN_RESET; 837 tmf->it_nexus = info->rmw_nexus; 838 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun); 839 840 address = (u64)fib->hw_error_pa; 841 tmf->error_ptr_hi = cpu_to_le32 842 ((u32)(address >> 32)); 843 tmf->error_ptr_lo = cpu_to_le32 844 ((u32)(address & 0xffffffff)); 845 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 846 fib->hbacmd_size = sizeof(*tmf); 847 848 return HBA_IU_TYPE_SCSI_TM_REQ; 849} 850 851static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info, 852 struct fib *fib) 853{ 854 struct aac_hba_reset_req *rst; 855 u64 address; 856 857 /* already tried, start a hard reset now */ 858 rst = (struct aac_hba_reset_req *)fib->hw_fib_va; 859 memset(rst, 0, sizeof(*rst)); 860 rst->it_nexus = info->rmw_nexus; 861 862 address = (u64)fib->hw_error_pa; 863 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 864 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 865 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 866 fib->hbacmd_size = sizeof(*rst); 867 868 return HBA_IU_TYPE_SATA_REQ; 869} 870 871static void aac_tmf_callback(void *context, struct fib *fibptr) 872{ 873 struct aac_hba_resp *err = 874 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err; 875 struct aac_hba_map_info *info = context; 876 int res; 877 878 switch (err->service_response) { 879 case HBA_RESP_SVCRES_TMF_REJECTED: 880 res = -1; 881 break; 882 case HBA_RESP_SVCRES_TMF_LUN_INVALID: 883 res = 0; 884 break; 885 case HBA_RESP_SVCRES_TMF_COMPLETE: 886 case HBA_RESP_SVCRES_TMF_SUCCEEDED: 887 res = 0; 888 break; 889 default: 890 res = -2; 891 break; 892 } 893 aac_fib_complete(fibptr); 894 895 info->reset_state = res; 896} 897 898/* 899 * aac_eh_dev_reset - Device reset command handling 900 * @scsi_cmd: SCSI command block causing the reset 901 * 902 */ 903static int aac_eh_dev_reset(struct scsi_cmnd *cmd) 904{ 905 struct scsi_device * dev = cmd->device; 906 struct Scsi_Host * host = dev->host; 907 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 908 struct aac_hba_map_info *info; 909 int count; 910 u32 bus, cid; 911 struct fib *fib; 912 int ret = FAILED; 913 int status; 914 u8 command; 915 916 bus = aac_logical_to_phys(scmd_channel(cmd)); 917 cid = scmd_id(cmd); 918 919 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 920 return FAILED; 921 922 info = &aac->hba_map[bus][cid]; 923 924 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW && 925 !(info->reset_state > 0))) 926 return FAILED; 927 928 pr_err("%s: Host device reset request. SCSI hang ?\n", 929 AAC_DRIVERNAME); 930 931 fib = aac_fib_alloc(aac); 932 if (!fib) 933 return ret; 934 935 /* start a HBA_TMF_LUN_RESET TMF request */ 936 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun); 937 938 info->reset_state = 1; 939 940 status = aac_hba_send(command, fib, 941 (fib_callback) aac_tmf_callback, 942 (void *) info); 943 if (status != -EINPROGRESS) { 944 info->reset_state = 0; 945 aac_fib_complete(fib); 946 aac_fib_free(fib); 947 return ret; 948 } 949 /* Wait up to 15 seconds for completion */ 950 for (count = 0; count < 15; ++count) { 951 if (info->reset_state == 0) { 952 ret = info->reset_state == 0 ? SUCCESS : FAILED; 953 break; 954 } 955 msleep(1000); 956 } 957 958 return ret; 959} 960 961/* 962 * aac_eh_target_reset - Target reset command handling 963 * @scsi_cmd: SCSI command block causing the reset 964 * 965 */ 966static int aac_eh_target_reset(struct scsi_cmnd *cmd) 967{ 968 struct scsi_device * dev = cmd->device; 969 struct Scsi_Host * host = dev->host; 970 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 971 struct aac_hba_map_info *info; 972 int count; 973 u32 bus, cid; 974 int ret = FAILED; 975 struct fib *fib; 976 int status; 977 u8 command; 978 979 bus = aac_logical_to_phys(scmd_channel(cmd)); 980 cid = scmd_id(cmd); 981 982 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 983 return FAILED; 984 985 info = &aac->hba_map[bus][cid]; 986 987 if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW && 988 !(info->reset_state > 0))) 989 return FAILED; 990 991 pr_err("%s: Host target reset request. SCSI hang ?\n", 992 AAC_DRIVERNAME); 993 994 fib = aac_fib_alloc(aac); 995 if (!fib) 996 return ret; 997 998 999 /* already tried, start a hard reset now */ 1000 command = aac_eh_tmf_hard_reset_fib(info, fib); 1001 1002 info->reset_state = 2; 1003 1004 status = aac_hba_send(command, fib, 1005 (fib_callback) aac_tmf_callback, 1006 (void *) info); 1007 1008 if (status != -EINPROGRESS) { 1009 info->reset_state = 0; 1010 aac_fib_complete(fib); 1011 aac_fib_free(fib); 1012 return ret; 1013 } 1014 1015 /* Wait up to 15 seconds for completion */ 1016 for (count = 0; count < 15; ++count) { 1017 if (info->reset_state <= 0) { 1018 ret = info->reset_state == 0 ? SUCCESS : FAILED; 1019 break; 1020 } 1021 msleep(1000); 1022 } 1023 1024 return ret; 1025} 1026 1027/* 1028 * aac_eh_bus_reset - Bus reset command handling 1029 * @scsi_cmd: SCSI command block causing the reset 1030 * 1031 */ 1032static int aac_eh_bus_reset(struct scsi_cmnd* cmd) 1033{ 1034 struct scsi_device * dev = cmd->device; 1035 struct Scsi_Host * host = dev->host; 1036 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1037 int count; 1038 u32 cmd_bus; 1039 int status = 0; 1040 1041 1042 cmd_bus = aac_logical_to_phys(scmd_channel(cmd)); 1043 /* Mark the assoc. FIB to not complete, eh handler does this */ 1044 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 1045 struct fib *fib = &aac->fibs[count]; 1046 1047 if (fib->hw_fib_va->header.XferState && 1048 (fib->flags & FIB_CONTEXT_FLAG) && 1049 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) { 1050 struct aac_hba_map_info *info; 1051 u32 bus, cid; 1052 1053 cmd = (struct scsi_cmnd *)fib->callback_data; 1054 bus = aac_logical_to_phys(scmd_channel(cmd)); 1055 if (bus != cmd_bus) 1056 continue; 1057 cid = scmd_id(cmd); 1058 info = &aac->hba_map[bus][cid]; 1059 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || 1060 info->devtype != AAC_DEVTYPE_NATIVE_RAW) { 1061 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET; 1062 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER; 1063 } 1064 } 1065 } 1066 1067 pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME); 1068 1069 /* 1070 * Check the health of the controller 1071 */ 1072 status = aac_adapter_check_health(aac); 1073 if (status) 1074 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status); 1075 1076 count = get_num_of_incomplete_fibs(aac); 1077 return (count == 0) ? SUCCESS : FAILED; 1078} 1079 1080/* 1081 * aac_eh_host_reset - Host reset command handling 1082 * @scsi_cmd: SCSI command block causing the reset 1083 * 1084 */ 1085static int aac_eh_host_reset(struct scsi_cmnd *cmd) 1086{ 1087 struct scsi_device * dev = cmd->device; 1088 struct Scsi_Host * host = dev->host; 1089 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1090 int ret = FAILED; 1091 __le32 supported_options2 = 0; 1092 bool is_mu_reset; 1093 bool is_ignore_reset; 1094 bool is_doorbell_reset; 1095 1096 /* 1097 * Check if reset is supported by the firmware 1098 */ 1099 supported_options2 = aac->supplement_adapter_info.supported_options2; 1100 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET; 1101 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET; 1102 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET; 1103 /* 1104 * This adapter needs a blind reset, only do so for 1105 * Adapters that support a register, instead of a commanded, 1106 * reset. 1107 */ 1108 if ((is_mu_reset || is_doorbell_reset) 1109 && aac_check_reset 1110 && (aac_check_reset != -1 || !is_ignore_reset)) { 1111 /* Bypass wait for command quiesce */ 1112 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0) 1113 ret = SUCCESS; 1114 } 1115 /* 1116 * Reset EH state 1117 */ 1118 if (ret == SUCCESS) { 1119 int bus, cid; 1120 struct aac_hba_map_info *info; 1121 1122 for (bus = 0; bus < AAC_MAX_BUSES; bus++) { 1123 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) { 1124 info = &aac->hba_map[bus][cid]; 1125 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW) 1126 info->reset_state = 0; 1127 } 1128 } 1129 } 1130 return ret; 1131} 1132 1133/** 1134 * aac_cfg_open - open a configuration file 1135 * @inode: inode being opened 1136 * @file: file handle attached 1137 * 1138 * Called when the configuration device is opened. Does the needed 1139 * set up on the handle and then returns 1140 * 1141 * Bugs: This needs extending to check a given adapter is present 1142 * so we can support hot plugging, and to ref count adapters. 1143 */ 1144 1145static int aac_cfg_open(struct inode *inode, struct file *file) 1146{ 1147 struct aac_dev *aac; 1148 unsigned minor_number = iminor(inode); 1149 int err = -ENODEV; 1150 1151 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 1152 list_for_each_entry(aac, &aac_devices, entry) { 1153 if (aac->id == minor_number) { 1154 file->private_data = aac; 1155 err = 0; 1156 break; 1157 } 1158 } 1159 mutex_unlock(&aac_mutex); 1160 1161 return err; 1162} 1163 1164/** 1165 * aac_cfg_ioctl - AAC configuration request 1166 * @file: file handle 1167 * @cmd: ioctl command code 1168 * @arg: argument 1169 * 1170 * Handles a configuration ioctl. Currently this involves wrapping it 1171 * up and feeding it into the nasty windowsalike glue layer. 1172 * 1173 * Bugs: Needs locking against parallel ioctls lower down 1174 * Bugs: Needs to handle hot plugging 1175 */ 1176 1177static long aac_cfg_ioctl(struct file *file, 1178 unsigned int cmd, unsigned long arg) 1179{ 1180 struct aac_dev *aac = (struct aac_dev *)file->private_data; 1181 1182 if (!capable(CAP_SYS_RAWIO)) 1183 return -EPERM; 1184 1185 return aac_do_ioctl(aac, cmd, (void __user *)arg); 1186} 1187 1188static ssize_t aac_show_model(struct device *device, 1189 struct device_attribute *attr, char *buf) 1190{ 1191 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1192 int len; 1193 1194 if (dev->supplement_adapter_info.adapter_type_text[0]) { 1195 char *cp = dev->supplement_adapter_info.adapter_type_text; 1196 while (*cp && *cp != ' ') 1197 ++cp; 1198 while (*cp == ' ') 1199 ++cp; 1200 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 1201 } else 1202 len = snprintf(buf, PAGE_SIZE, "%s\n", 1203 aac_drivers[dev->cardtype].model); 1204 return len; 1205} 1206 1207static ssize_t aac_show_vendor(struct device *device, 1208 struct device_attribute *attr, char *buf) 1209{ 1210 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1211 struct aac_supplement_adapter_info *sup_adap_info; 1212 int len; 1213 1214 sup_adap_info = &dev->supplement_adapter_info; 1215 if (sup_adap_info->adapter_type_text[0]) { 1216 char *cp = sup_adap_info->adapter_type_text; 1217 while (*cp && *cp != ' ') 1218 ++cp; 1219 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 1220 (int)(cp - (char *)sup_adap_info->adapter_type_text), 1221 sup_adap_info->adapter_type_text); 1222 } else 1223 len = snprintf(buf, PAGE_SIZE, "%s\n", 1224 aac_drivers[dev->cardtype].vname); 1225 return len; 1226} 1227 1228static ssize_t aac_show_flags(struct device *cdev, 1229 struct device_attribute *attr, char *buf) 1230{ 1231 int len = 0; 1232 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 1233 1234 if (nblank(dprintk(x))) 1235 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 1236#ifdef AAC_DETAILED_STATUS_INFO 1237 len += scnprintf(buf + len, PAGE_SIZE - len, 1238 "AAC_DETAILED_STATUS_INFO\n"); 1239#endif 1240 if (dev->raw_io_interface && dev->raw_io_64) 1241 len += scnprintf(buf + len, PAGE_SIZE - len, 1242 "SAI_READ_CAPACITY_16\n"); 1243 if (dev->jbod) 1244 len += scnprintf(buf + len, PAGE_SIZE - len, 1245 "SUPPORTED_JBOD\n"); 1246 if (dev->supplement_adapter_info.supported_options2 & 1247 AAC_OPTION_POWER_MANAGEMENT) 1248 len += scnprintf(buf + len, PAGE_SIZE - len, 1249 "SUPPORTED_POWER_MANAGEMENT\n"); 1250 if (dev->msi) 1251 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 1252 return len; 1253} 1254 1255static ssize_t aac_show_kernel_version(struct device *device, 1256 struct device_attribute *attr, 1257 char *buf) 1258{ 1259 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1260 int len, tmp; 1261 1262 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 1263 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1264 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1265 le32_to_cpu(dev->adapter_info.kernelbuild)); 1266 return len; 1267} 1268 1269static ssize_t aac_show_monitor_version(struct device *device, 1270 struct device_attribute *attr, 1271 char *buf) 1272{ 1273 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1274 int len, tmp; 1275 1276 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 1277 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1278 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1279 le32_to_cpu(dev->adapter_info.monitorbuild)); 1280 return len; 1281} 1282 1283static ssize_t aac_show_bios_version(struct device *device, 1284 struct device_attribute *attr, 1285 char *buf) 1286{ 1287 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1288 int len, tmp; 1289 1290 tmp = le32_to_cpu(dev->adapter_info.biosrev); 1291 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1292 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1293 le32_to_cpu(dev->adapter_info.biosbuild)); 1294 return len; 1295} 1296 1297static ssize_t aac_show_driver_version(struct device *device, 1298 struct device_attribute *attr, 1299 char *buf) 1300{ 1301 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version); 1302} 1303 1304static ssize_t aac_show_serial_number(struct device *device, 1305 struct device_attribute *attr, char *buf) 1306{ 1307 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1308 int len = 0; 1309 1310 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 1311 len = snprintf(buf, 16, "%06X\n", 1312 le32_to_cpu(dev->adapter_info.serial[0])); 1313 if (len && 1314 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[ 1315 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len], 1316 buf, len-1)) 1317 len = snprintf(buf, 16, "%.*s\n", 1318 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no), 1319 dev->supplement_adapter_info.mfg_pcba_serial_no); 1320 1321 return min(len, 16); 1322} 1323 1324static ssize_t aac_show_max_channel(struct device *device, 1325 struct device_attribute *attr, char *buf) 1326{ 1327 return snprintf(buf, PAGE_SIZE, "%d\n", 1328 class_to_shost(device)->max_channel); 1329} 1330 1331static ssize_t aac_show_max_id(struct device *device, 1332 struct device_attribute *attr, char *buf) 1333{ 1334 return snprintf(buf, PAGE_SIZE, "%d\n", 1335 class_to_shost(device)->max_id); 1336} 1337 1338static ssize_t aac_store_reset_adapter(struct device *device, 1339 struct device_attribute *attr, 1340 const char *buf, size_t count) 1341{ 1342 int retval = -EACCES; 1343 1344 if (!capable(CAP_SYS_ADMIN)) 1345 return retval; 1346 1347 retval = aac_reset_adapter(shost_priv(class_to_shost(device)), 1348 buf[0] == '!', IOP_HWSOFT_RESET); 1349 if (retval >= 0) 1350 retval = count; 1351 1352 return retval; 1353} 1354 1355static ssize_t aac_show_reset_adapter(struct device *device, 1356 struct device_attribute *attr, 1357 char *buf) 1358{ 1359 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1360 int len, tmp; 1361 1362 tmp = aac_adapter_check_health(dev); 1363 if ((tmp == 0) && dev->in_reset) 1364 tmp = -EBUSY; 1365 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 1366 return len; 1367} 1368 1369static struct device_attribute aac_model = { 1370 .attr = { 1371 .name = "model", 1372 .mode = S_IRUGO, 1373 }, 1374 .show = aac_show_model, 1375}; 1376static struct device_attribute aac_vendor = { 1377 .attr = { 1378 .name = "vendor", 1379 .mode = S_IRUGO, 1380 }, 1381 .show = aac_show_vendor, 1382}; 1383static struct device_attribute aac_flags = { 1384 .attr = { 1385 .name = "flags", 1386 .mode = S_IRUGO, 1387 }, 1388 .show = aac_show_flags, 1389}; 1390static struct device_attribute aac_kernel_version = { 1391 .attr = { 1392 .name = "hba_kernel_version", 1393 .mode = S_IRUGO, 1394 }, 1395 .show = aac_show_kernel_version, 1396}; 1397static struct device_attribute aac_monitor_version = { 1398 .attr = { 1399 .name = "hba_monitor_version", 1400 .mode = S_IRUGO, 1401 }, 1402 .show = aac_show_monitor_version, 1403}; 1404static struct device_attribute aac_bios_version = { 1405 .attr = { 1406 .name = "hba_bios_version", 1407 .mode = S_IRUGO, 1408 }, 1409 .show = aac_show_bios_version, 1410}; 1411static struct device_attribute aac_lld_version = { 1412 .attr = { 1413 .name = "driver_version", 1414 .mode = 0444, 1415 }, 1416 .show = aac_show_driver_version, 1417}; 1418static struct device_attribute aac_serial_number = { 1419 .attr = { 1420 .name = "serial_number", 1421 .mode = S_IRUGO, 1422 }, 1423 .show = aac_show_serial_number, 1424}; 1425static struct device_attribute aac_max_channel = { 1426 .attr = { 1427 .name = "max_channel", 1428 .mode = S_IRUGO, 1429 }, 1430 .show = aac_show_max_channel, 1431}; 1432static struct device_attribute aac_max_id = { 1433 .attr = { 1434 .name = "max_id", 1435 .mode = S_IRUGO, 1436 }, 1437 .show = aac_show_max_id, 1438}; 1439static struct device_attribute aac_reset = { 1440 .attr = { 1441 .name = "reset_host", 1442 .mode = S_IWUSR|S_IRUGO, 1443 }, 1444 .store = aac_store_reset_adapter, 1445 .show = aac_show_reset_adapter, 1446}; 1447 1448static struct attribute *aac_host_attrs[] = { 1449 &aac_model.attr, 1450 &aac_vendor.attr, 1451 &aac_flags.attr, 1452 &aac_kernel_version.attr, 1453 &aac_monitor_version.attr, 1454 &aac_bios_version.attr, 1455 &aac_lld_version.attr, 1456 &aac_serial_number.attr, 1457 &aac_max_channel.attr, 1458 &aac_max_id.attr, 1459 &aac_reset.attr, 1460 NULL 1461}; 1462 1463ATTRIBUTE_GROUPS(aac_host); 1464 1465ssize_t aac_get_serial_number(struct device *device, char *buf) 1466{ 1467 return aac_show_serial_number(device, &aac_serial_number, buf); 1468} 1469 1470static const struct file_operations aac_cfg_fops = { 1471 .owner = THIS_MODULE, 1472 .unlocked_ioctl = aac_cfg_ioctl, 1473#ifdef CONFIG_COMPAT 1474 .compat_ioctl = aac_cfg_ioctl, 1475#endif 1476 .open = aac_cfg_open, 1477 .llseek = noop_llseek, 1478}; 1479 1480static const struct scsi_host_template aac_driver_template = { 1481 .module = THIS_MODULE, 1482 .name = "AAC", 1483 .proc_name = AAC_DRIVERNAME, 1484 .info = aac_info, 1485 .ioctl = aac_ioctl, 1486#ifdef CONFIG_COMPAT 1487 .compat_ioctl = aac_ioctl, 1488#endif 1489 .queuecommand = aac_queuecommand, 1490 .bios_param = aac_biosparm, 1491 .shost_groups = aac_host_groups, 1492 .sdev_configure = aac_sdev_configure, 1493 .change_queue_depth = aac_change_queue_depth, 1494 .sdev_groups = aac_dev_groups, 1495 .eh_abort_handler = aac_eh_abort, 1496 .eh_device_reset_handler = aac_eh_dev_reset, 1497 .eh_target_reset_handler = aac_eh_target_reset, 1498 .eh_bus_reset_handler = aac_eh_bus_reset, 1499 .eh_host_reset_handler = aac_eh_host_reset, 1500 .can_queue = AAC_NUM_IO_FIB, 1501 .this_id = MAXIMUM_NUM_CONTAINERS, 1502 .sg_tablesize = 16, 1503 .max_sectors = 128, 1504#if (AAC_NUM_IO_FIB > 256) 1505 .cmd_per_lun = 256, 1506#else 1507 .cmd_per_lun = AAC_NUM_IO_FIB, 1508#endif 1509 .emulated = 1, 1510 .no_write_same = 1, 1511 .cmd_size = sizeof(struct aac_cmd_priv), 1512}; 1513 1514static void __aac_shutdown(struct aac_dev * aac) 1515{ 1516 int i; 1517 1518 mutex_lock(&aac->ioctl_mutex); 1519 aac->adapter_shutdown = 1; 1520 mutex_unlock(&aac->ioctl_mutex); 1521 1522 if (aac->aif_thread) { 1523 int i; 1524 /* Clear out events first */ 1525 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { 1526 struct fib *fib = &aac->fibs[i]; 1527 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && 1528 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) 1529 complete(&fib->event_wait); 1530 } 1531 kthread_stop(aac->thread); 1532 aac->thread = NULL; 1533 } 1534 1535 aac_send_shutdown(aac); 1536 1537 aac_adapter_disable_int(aac); 1538 1539 if (aac_is_src(aac)) { 1540 if (aac->max_msix > 1) { 1541 for (i = 0; i < aac->max_msix; i++) { 1542 free_irq(pci_irq_vector(aac->pdev, i), 1543 &(aac->aac_msix[i])); 1544 } 1545 } else { 1546 free_irq(aac->pdev->irq, 1547 &(aac->aac_msix[0])); 1548 } 1549 } else { 1550 free_irq(aac->pdev->irq, aac); 1551 } 1552 if (aac->msi) 1553 pci_disable_msi(aac->pdev); 1554 else if (aac->max_msix > 1) 1555 pci_disable_msix(aac->pdev); 1556} 1557static void aac_init_char(void) 1558{ 1559 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); 1560 if (aac_cfg_major < 0) { 1561 pr_err("aacraid: unable to register \"aac\" device.\n"); 1562 } 1563} 1564 1565void aac_reinit_aif(struct aac_dev *aac, unsigned int index) 1566{ 1567 /* 1568 * Firmware may send a AIF messages very early and the Driver may have 1569 * ignored as it is not fully ready to process the messages. Send 1570 * AIF to firmware so that if there are any unprocessed events they 1571 * can be processed now. 1572 */ 1573 if (aac_drivers[index].quirks & AAC_QUIRK_SRC) 1574 aac_intr_normal(aac, 0, 2, 0, NULL); 1575 1576} 1577 1578static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 1579{ 1580 unsigned index = id->driver_data; 1581 struct Scsi_Host *shost; 1582 struct aac_dev *aac; 1583 struct list_head *insert = &aac_devices; 1584 int error; 1585 int unique_id = 0; 1586 u64 dmamask; 1587 int mask_bits = 0; 1588 extern int aac_sync_mode; 1589 1590 /* 1591 * Only series 7 needs freset. 1592 */ 1593 if (pdev->device == PMC_DEVICE_S7) 1594 pdev->needs_freset = 1; 1595 1596 list_for_each_entry(aac, &aac_devices, entry) { 1597 if (aac->id > unique_id) 1598 break; 1599 insert = &aac->entry; 1600 unique_id++; 1601 } 1602 1603 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | 1604 PCIE_LINK_STATE_CLKPM); 1605 1606 error = pci_enable_device(pdev); 1607 if (error) 1608 goto out; 1609 1610 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) { 1611 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); 1612 if (error) { 1613 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed"); 1614 goto out_disable_pdev; 1615 } 1616 } 1617 1618 /* 1619 * If the quirk31 bit is set, the adapter needs adapter 1620 * to driver communication memory to be allocated below 2gig 1621 */ 1622 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) { 1623 dmamask = DMA_BIT_MASK(31); 1624 mask_bits = 31; 1625 } else { 1626 dmamask = DMA_BIT_MASK(32); 1627 mask_bits = 32; 1628 } 1629 1630 error = dma_set_coherent_mask(&pdev->dev, dmamask); 1631 if (error) { 1632 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n" 1633 , mask_bits); 1634 goto out_disable_pdev; 1635 } 1636 1637 pci_set_master(pdev); 1638 1639 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1640 if (!shost) { 1641 error = -ENOMEM; 1642 goto out_disable_pdev; 1643 } 1644 1645 shost->irq = pdev->irq; 1646 shost->unique_id = unique_id; 1647 shost->max_cmd_len = 16; 1648 1649 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) 1650 aac_init_char(); 1651 1652 aac = (struct aac_dev *)shost->hostdata; 1653 aac->base_start = pci_resource_start(pdev, 0); 1654 aac->scsi_host_ptr = shost; 1655 aac->pdev = pdev; 1656 aac->name = aac_driver_template.name; 1657 aac->id = shost->unique_id; 1658 aac->cardtype = index; 1659 INIT_LIST_HEAD(&aac->entry); 1660 1661 if (aac_reset_devices || reset_devices) 1662 aac->init_reset = true; 1663 1664 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB, 1665 sizeof(struct fib), 1666 GFP_KERNEL); 1667 if (!aac->fibs) { 1668 error = -ENOMEM; 1669 goto out_free_host; 1670 } 1671 1672 spin_lock_init(&aac->fib_lock); 1673 1674 mutex_init(&aac->ioctl_mutex); 1675 mutex_init(&aac->scan_mutex); 1676 1677 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker); 1678 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker, 1679 aac_src_reinit_aif_worker); 1680 /* 1681 * Map in the registers from the adapter. 1682 */ 1683 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1684 if ((*aac_drivers[index].init)(aac)) { 1685 error = -ENODEV; 1686 goto out_unmap; 1687 } 1688 1689 if (aac->sync_mode) { 1690 if (aac_sync_mode) 1691 printk(KERN_INFO "%s%d: Sync. mode enforced " 1692 "by driver parameter. This will cause " 1693 "a significant performance decrease!\n", 1694 aac->name, 1695 aac->id); 1696 else 1697 printk(KERN_INFO "%s%d: Async. mode not supported " 1698 "by current driver, sync. mode enforced." 1699 "\nPlease update driver to get full performance.\n", 1700 aac->name, 1701 aac->id); 1702 } 1703 1704 /* 1705 * Start any kernel threads needed 1706 */ 1707 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1708 if (IS_ERR(aac->thread)) { 1709 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1710 error = PTR_ERR(aac->thread); 1711 aac->thread = NULL; 1712 goto out_deinit; 1713 } 1714 1715 aac->maximum_num_channels = aac_drivers[index].channels; 1716 error = aac_get_adapter_info(aac); 1717 if (error < 0) 1718 goto out_deinit; 1719 1720 /* 1721 * Lets override negotiations and drop the maximum SG limit to 34 1722 */ 1723 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1724 (shost->sg_tablesize > 34)) { 1725 shost->sg_tablesize = 34; 1726 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1727 } 1728 1729 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1730 (shost->sg_tablesize > 17)) { 1731 shost->sg_tablesize = 17; 1732 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1733 } 1734 1735 if (aac->adapter_info.options & AAC_OPT_NEW_COMM) 1736 shost->max_segment_size = shost->max_sectors << 9; 1737 else 1738 shost->max_segment_size = 65536; 1739 1740 /* 1741 * Firmware printf works only with older firmware. 1742 */ 1743 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1744 aac->printf_enabled = 1; 1745 else 1746 aac->printf_enabled = 0; 1747 1748 /* 1749 * max channel will be the physical channels plus 1 virtual channel 1750 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1751 * physical channels are address by their actual physical number+1 1752 */ 1753 if (aac->nondasd_support || expose_physicals || aac->jbod) 1754 shost->max_channel = aac->maximum_num_channels; 1755 else 1756 shost->max_channel = 0; 1757 1758 aac_get_config_status(aac, 0); 1759 aac_get_containers(aac); 1760 list_add(&aac->entry, insert); 1761 1762 shost->max_id = aac->maximum_num_containers; 1763 if (shost->max_id < aac->maximum_num_physicals) 1764 shost->max_id = aac->maximum_num_physicals; 1765 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1766 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1767 else 1768 shost->this_id = shost->max_id; 1769 1770 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC) 1771 aac_intr_normal(aac, 0, 2, 0, NULL); 1772 1773 /* 1774 * dmb - we may need to move the setting of these parms somewhere else once 1775 * we get a fib that can report the actual numbers 1776 */ 1777 shost->max_lun = AAC_MAX_LUN; 1778 1779 pci_set_drvdata(pdev, shost); 1780 1781 error = scsi_add_host(shost, &pdev->dev); 1782 if (error) 1783 goto out_deinit; 1784 1785 aac_scan_host(aac); 1786 1787 pci_save_state(pdev); 1788 1789 return 0; 1790 1791 out_deinit: 1792 __aac_shutdown(aac); 1793 out_unmap: 1794 aac_fib_map_free(aac); 1795 if (aac->comm_addr) 1796 dma_free_coherent(&aac->pdev->dev, aac->comm_size, 1797 aac->comm_addr, aac->comm_phys); 1798 kfree(aac->queues); 1799 aac_adapter_ioremap(aac, 0); 1800 kfree(aac->fibs); 1801 kfree(aac->fsa_dev); 1802 out_free_host: 1803 scsi_host_put(shost); 1804 out_disable_pdev: 1805 pci_disable_device(pdev); 1806 out: 1807 return error; 1808} 1809 1810static void aac_release_resources(struct aac_dev *aac) 1811{ 1812 aac_adapter_disable_int(aac); 1813 aac_free_irq(aac); 1814} 1815 1816static int aac_acquire_resources(struct aac_dev *dev) 1817{ 1818 unsigned long status; 1819 /* 1820 * First clear out all interrupts. Then enable the one's that we 1821 * can handle. 1822 */ 1823 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) 1824 || status == 0xffffffff) 1825 msleep(20); 1826 1827 aac_adapter_disable_int(dev); 1828 aac_adapter_enable_int(dev); 1829 1830 1831 if (aac_is_src(dev)) 1832 aac_define_int_mode(dev); 1833 1834 if (dev->msi_enabled) 1835 aac_src_access_devreg(dev, AAC_ENABLE_MSIX); 1836 1837 if (aac_acquire_irq(dev)) 1838 goto error_iounmap; 1839 1840 aac_adapter_enable_int(dev); 1841 1842 /*max msix may change after EEH 1843 * Re-assign vectors to fibs 1844 */ 1845 aac_fib_vector_assign(dev); 1846 1847 if (!dev->sync_mode) { 1848 /* After EEH recovery or suspend resume, max_msix count 1849 * may change, therefore updating in init as well. 1850 */ 1851 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix); 1852 aac_adapter_start(dev); 1853 } 1854 return 0; 1855 1856error_iounmap: 1857 return -1; 1858 1859} 1860 1861static int __maybe_unused aac_suspend(struct device *dev) 1862{ 1863 struct Scsi_Host *shost = dev_get_drvdata(dev); 1864 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1865 1866 scsi_host_block(shost); 1867 aac_cancel_rescan_worker(aac); 1868 aac_send_shutdown(aac); 1869 1870 aac_release_resources(aac); 1871 1872 return 0; 1873} 1874 1875static int __maybe_unused aac_resume(struct device *dev) 1876{ 1877 struct Scsi_Host *shost = dev_get_drvdata(dev); 1878 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1879 1880 if (aac_acquire_resources(aac)) 1881 goto fail_device; 1882 /* 1883 * reset this flag to unblock ioctl() as it was set at 1884 * aac_send_shutdown() to block ioctls from upperlayer 1885 */ 1886 aac->adapter_shutdown = 0; 1887 scsi_host_unblock(shost, SDEV_RUNNING); 1888 1889 return 0; 1890 1891fail_device: 1892 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); 1893 scsi_host_put(shost); 1894 return -ENODEV; 1895} 1896 1897static void aac_shutdown(struct pci_dev *dev) 1898{ 1899 struct Scsi_Host *shost = pci_get_drvdata(dev); 1900 1901 scsi_host_block(shost); 1902 __aac_shutdown((struct aac_dev *)shost->hostdata); 1903} 1904 1905static void aac_remove_one(struct pci_dev *pdev) 1906{ 1907 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1908 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1909 1910 aac_cancel_rescan_worker(aac); 1911 scsi_remove_host(shost); 1912 1913 __aac_shutdown(aac); 1914 aac_fib_map_free(aac); 1915 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr, 1916 aac->comm_phys); 1917 kfree(aac->queues); 1918 1919 aac_adapter_ioremap(aac, 0); 1920 1921 kfree(aac->fibs); 1922 kfree(aac->fsa_dev); 1923 1924 list_del(&aac->entry); 1925 scsi_host_put(shost); 1926 pci_disable_device(pdev); 1927 if (list_empty(&aac_devices)) { 1928 unregister_chrdev(aac_cfg_major, "aac"); 1929 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; 1930 } 1931} 1932 1933static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, 1934 pci_channel_state_t error) 1935{ 1936 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1937 struct aac_dev *aac = shost_priv(shost); 1938 1939 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); 1940 1941 switch (error) { 1942 case pci_channel_io_normal: 1943 return PCI_ERS_RESULT_CAN_RECOVER; 1944 case pci_channel_io_frozen: 1945 aac->handle_pci_error = 1; 1946 1947 scsi_host_block(shost); 1948 aac_cancel_rescan_worker(aac); 1949 scsi_host_complete_all_commands(shost, DID_NO_CONNECT); 1950 aac_release_resources(aac); 1951 1952 aac_adapter_ioremap(aac, 0); 1953 1954 return PCI_ERS_RESULT_NEED_RESET; 1955 case pci_channel_io_perm_failure: 1956 aac->handle_pci_error = 1; 1957 1958 scsi_host_complete_all_commands(shost, DID_NO_CONNECT); 1959 return PCI_ERS_RESULT_DISCONNECT; 1960 } 1961 1962 return PCI_ERS_RESULT_NEED_RESET; 1963} 1964 1965static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) 1966{ 1967 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); 1968 return PCI_ERS_RESULT_NEED_RESET; 1969} 1970 1971static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) 1972{ 1973 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); 1974 pci_restore_state(pdev); 1975 if (pci_enable_device(pdev)) { 1976 dev_warn(&pdev->dev, 1977 "aacraid: failed to enable slave\n"); 1978 goto fail_device; 1979 } 1980 1981 pci_set_master(pdev); 1982 1983 if (pci_enable_device_mem(pdev)) { 1984 dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); 1985 goto fail_device; 1986 } 1987 1988 return PCI_ERS_RESULT_RECOVERED; 1989 1990fail_device: 1991 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); 1992 return PCI_ERS_RESULT_DISCONNECT; 1993} 1994 1995 1996static void aac_pci_resume(struct pci_dev *pdev) 1997{ 1998 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1999 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); 2000 2001 if (aac_adapter_ioremap(aac, aac->base_size)) { 2002 2003 dev_err(&pdev->dev, "aacraid: ioremap failed\n"); 2004 /* remap failed, go back ... */ 2005 aac->comm_interface = AAC_COMM_PRODUCER; 2006 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { 2007 dev_warn(&pdev->dev, 2008 "aacraid: unable to map adapter.\n"); 2009 2010 return; 2011 } 2012 } 2013 2014 msleep(10000); 2015 2016 aac_acquire_resources(aac); 2017 2018 /* 2019 * reset this flag to unblock ioctl() as it was set 2020 * at aac_send_shutdown() to block ioctls from upperlayer 2021 */ 2022 aac->adapter_shutdown = 0; 2023 aac->handle_pci_error = 0; 2024 2025 scsi_host_unblock(shost, SDEV_RUNNING); 2026 aac_scan_host(aac); 2027 pci_save_state(pdev); 2028 2029 dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); 2030} 2031 2032static const struct pci_error_handlers aac_pci_err_handler = { 2033 .error_detected = aac_pci_error_detected, 2034 .mmio_enabled = aac_pci_mmio_enabled, 2035 .slot_reset = aac_pci_slot_reset, 2036 .resume = aac_pci_resume, 2037}; 2038 2039static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume); 2040 2041static struct pci_driver aac_pci_driver = { 2042 .name = AAC_DRIVERNAME, 2043 .id_table = aac_pci_tbl, 2044 .probe = aac_probe_one, 2045 .remove = aac_remove_one, 2046 .driver.pm = &aac_pm_ops, 2047 .shutdown = aac_shutdown, 2048 .err_handler = &aac_pci_err_handler, 2049}; 2050 2051static int __init aac_init(void) 2052{ 2053 int error; 2054 2055 printk(KERN_INFO "Adaptec %s driver %s\n", 2056 AAC_DRIVERNAME, aac_driver_version); 2057 2058 error = pci_register_driver(&aac_pci_driver); 2059 if (error < 0) 2060 return error; 2061 2062 aac_init_char(); 2063 2064 2065 return 0; 2066} 2067 2068static void __exit aac_exit(void) 2069{ 2070 if (aac_cfg_major > -1) 2071 unregister_chrdev(aac_cfg_major, "aac"); 2072 pci_unregister_driver(&aac_pci_driver); 2073} 2074 2075module_init(aac_init); 2076module_exit(aac_exit);
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