1 /* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. 4 * 5 * based on the old aacraid driver that is.. 6 * Adaptec aacraid device driver for Linux. 7 * 8 * Copyright (c) 2000-2010 Adaptec, Inc. 9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2, or (at your option) 14 * any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; see the file COPYING. If not, write to 23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 24 * 25 * Module Name: 26 * linit.c 27 * 28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 29 */ 30 31 32 #include <linux/compat.h> 33 #include <linux/blkdev.h> 34 #include <linux/completion.h> 35 #include <linux/init.h> 36 #include <linux/interrupt.h> 37 #include <linux/kernel.h> 38 #include <linux/module.h> 39 #include <linux/moduleparam.h> 40 #include <linux/pci.h> 41 #include <linux/aer.h> 42 #include <linux/pci-aspm.h> 43 #include <linux/slab.h> 44 #include <linux/mutex.h> 45 #include <linux/spinlock.h> 46 #include <linux/syscalls.h> 47 #include <linux/delay.h> 48 #include <linux/kthread.h> 49 50 #include <scsi/scsi.h> 51 #include <scsi/scsi_cmnd.h> 52 #include <scsi/scsi_device.h> 53 #include <scsi/scsi_host.h> 54 #include <scsi/scsi_tcq.h> 55 #include <scsi/scsicam.h> 56 #include <scsi/scsi_eh.h> 57 58 #include "aacraid.h" 59 60 #define AAC_DRIVER_VERSION "1.2-1" 61 #ifndef AAC_DRIVER_BRANCH 62 #define AAC_DRIVER_BRANCH "" 63 #endif 64 #define AAC_DRIVERNAME "aacraid" 65 66 #ifdef AAC_DRIVER_BUILD 67 #define _str(x) #x 68 #define str(x) _str(x) 69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 70 #else 71 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH 72 #endif 73 74 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 75 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 76 "Adaptec Advanced Raid Products, " 77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 78 MODULE_LICENSE("GPL"); 79 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 80 81 static DEFINE_MUTEX(aac_mutex); 82 static LIST_HEAD(aac_devices); 83 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; 84 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 85 86 /* 87 * Because of the way Linux names scsi devices, the order in this table has 88 * become important. Check for on-board Raid first, add-in cards second. 89 * 90 * Note: The last field is used to index into aac_drivers below. 91 */ 92 static const struct pci_device_id aac_pci_tbl[] = { 93 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 94 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 95 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 96 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 97 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 98 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 99 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 100 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 101 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 102 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 103 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 104 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 105 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 106 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 107 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 108 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 109 110 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 111 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 112 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 113 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 114 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 115 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 116 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 117 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 118 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 119 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 120 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 121 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 122 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 123 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 124 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 125 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 126 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 127 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 128 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 129 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 130 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 131 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 132 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 133 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 134 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 135 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 136 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 137 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 138 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 139 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 140 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 141 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 142 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 143 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 144 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 145 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 146 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 147 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 148 149 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 150 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 151 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 152 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 153 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 154 155 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 156 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 157 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 158 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 159 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 160 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ 161 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ 162 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ 163 { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */ 164 { 0,} 165 }; 166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 167 168 /* 169 * dmb - For now we add the number of channels to this structure. 170 * In the future we should add a fib that reports the number of channels 171 * for the card. At that time we can remove the channels from here 172 */ 173 static struct aac_driver_ident aac_drivers[] = { 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 183 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 184 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 188 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 189 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 190 191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 205 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 206 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 207 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 209 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 213 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 227 228 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 229 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 230 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 233 234 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 235 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ 239 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */ 240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */ 241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */ 242 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC } /* Adaptec PMC Series 9 */ 243 }; 244 245 /** 246 * aac_queuecommand - queue a SCSI command 247 * @cmd: SCSI command to queue 248 * @done: Function to call on command completion 249 * 250 * Queues a command for execution by the associated Host Adapter. 251 * 252 * TODO: unify with aac_scsi_cmd(). 253 */ 254 255 static int aac_queuecommand(struct Scsi_Host *shost, 256 struct scsi_cmnd *cmd) 257 { 258 int r = 0; 259 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 260 r = (aac_scsi_cmd(cmd) ? FAILED : 0); 261 return r; 262 } 263 264 /** 265 * aac_info - Returns the host adapter name 266 * @shost: Scsi host to report on 267 * 268 * Returns a static string describing the device in question 269 */ 270 271 static const char *aac_info(struct Scsi_Host *shost) 272 { 273 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 274 return aac_drivers[dev->cardtype].name; 275 } 276 277 /** 278 * aac_get_driver_ident 279 * @devtype: index into lookup table 280 * 281 * Returns a pointer to the entry in the driver lookup table. 282 */ 283 284 struct aac_driver_ident* aac_get_driver_ident(int devtype) 285 { 286 return &aac_drivers[devtype]; 287 } 288 289 /** 290 * aac_biosparm - return BIOS parameters for disk 291 * @sdev: The scsi device corresponding to the disk 292 * @bdev: the block device corresponding to the disk 293 * @capacity: the sector capacity of the disk 294 * @geom: geometry block to fill in 295 * 296 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 297 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 298 * number of cylinders so as not to exceed drive capacity. In order for 299 * disks equal to or larger than 1 GB to be addressable by the BIOS 300 * without exceeding the BIOS limitation of 1024 cylinders, Extended 301 * Translation should be enabled. With Extended Translation enabled, 302 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 303 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 304 * are given a disk geometry of 255 heads and 63 sectors. However, if 305 * the BIOS detects that the Extended Translation setting does not match 306 * the geometry in the partition table, then the translation inferred 307 * from the partition table will be used by the BIOS, and a warning may 308 * be displayed. 309 */ 310 311 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 312 sector_t capacity, int *geom) 313 { 314 struct diskparm *param = (struct diskparm *)geom; 315 unsigned char *buf; 316 317 dprintk((KERN_DEBUG "aac_biosparm.\n")); 318 319 /* 320 * Assuming extended translation is enabled - #REVISIT# 321 */ 322 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 323 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 324 param->heads = 255; 325 param->sectors = 63; 326 } else { 327 param->heads = 128; 328 param->sectors = 32; 329 } 330 } else { 331 param->heads = 64; 332 param->sectors = 32; 333 } 334 335 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 336 337 /* 338 * Read the first 1024 bytes from the disk device, if the boot 339 * sector partition table is valid, search for a partition table 340 * entry whose end_head matches one of the standard geometry 341 * translations ( 64/32, 128/32, 255/63 ). 342 */ 343 buf = scsi_bios_ptable(bdev); 344 if (!buf) 345 return 0; 346 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 347 struct partition *first = (struct partition * )buf; 348 struct partition *entry = first; 349 int saved_cylinders = param->cylinders; 350 int num; 351 unsigned char end_head, end_sec; 352 353 for(num = 0; num < 4; num++) { 354 end_head = entry->end_head; 355 end_sec = entry->end_sector & 0x3f; 356 357 if(end_head == 63) { 358 param->heads = 64; 359 param->sectors = 32; 360 break; 361 } else if(end_head == 127) { 362 param->heads = 128; 363 param->sectors = 32; 364 break; 365 } else if(end_head == 254) { 366 param->heads = 255; 367 param->sectors = 63; 368 break; 369 } 370 entry++; 371 } 372 373 if (num == 4) { 374 end_head = first->end_head; 375 end_sec = first->end_sector & 0x3f; 376 } 377 378 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 379 if (num < 4 && end_sec == param->sectors) { 380 if (param->cylinders != saved_cylinders) 381 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 382 param->heads, param->sectors, num)); 383 } else if (end_head > 0 || end_sec > 0) { 384 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 385 end_head + 1, end_sec, num)); 386 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 387 param->heads, param->sectors)); 388 } 389 } 390 kfree(buf); 391 return 0; 392 } 393 394 /** 395 * aac_slave_configure - compute queue depths 396 * @sdev: SCSI device we are considering 397 * 398 * Selects queue depths for each target device based on the host adapter's 399 * total capacity and the queue depth supported by the target device. 400 * A queue depth of one automatically disables tagged queueing. 401 */ 402 403 static int aac_slave_configure(struct scsi_device *sdev) 404 { 405 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 406 if (aac->jbod && (sdev->type == TYPE_DISK)) 407 sdev->removable = 1; 408 if ((sdev->type == TYPE_DISK) && 409 (sdev_channel(sdev) != CONTAINER_CHANNEL) && 410 (!aac->jbod || sdev->inq_periph_qual) && 411 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 412 if (expose_physicals == 0) 413 return -ENXIO; 414 if (expose_physicals < 0) 415 sdev->no_uld_attach = 1; 416 } 417 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 418 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && 419 !sdev->no_uld_attach) { 420 struct scsi_device * dev; 421 struct Scsi_Host *host = sdev->host; 422 unsigned num_lsu = 0; 423 unsigned num_one = 0; 424 unsigned depth; 425 unsigned cid; 426 427 /* 428 * Firmware has an individual device recovery time typically 429 * of 35 seconds, give us a margin. 430 */ 431 if (sdev->request_queue->rq_timeout < (45 * HZ)) 432 blk_queue_rq_timeout(sdev->request_queue, 45*HZ); 433 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 434 if (aac->fsa_dev[cid].valid) 435 ++num_lsu; 436 __shost_for_each_device(dev, host) { 437 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 438 (!aac->raid_scsi_mode || 439 (sdev_channel(sdev) != 2)) && 440 !dev->no_uld_attach) { 441 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 442 || !aac->fsa_dev[sdev_id(dev)].valid) 443 ++num_lsu; 444 } else 445 ++num_one; 446 } 447 if (num_lsu == 0) 448 ++num_lsu; 449 depth = (host->can_queue - num_one) / num_lsu; 450 if (depth > 256) 451 depth = 256; 452 else if (depth < 2) 453 depth = 2; 454 scsi_change_queue_depth(sdev, depth); 455 } else { 456 scsi_change_queue_depth(sdev, 1); 457 458 sdev->tagged_supported = 1; 459 } 460 461 return 0; 462 } 463 464 /** 465 * aac_change_queue_depth - alter queue depths 466 * @sdev: SCSI device we are considering 467 * @depth: desired queue depth 468 * 469 * Alters queue depths for target device based on the host adapter's 470 * total capacity and the queue depth supported by the target device. 471 */ 472 473 static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 474 { 475 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 476 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 477 struct scsi_device * dev; 478 struct Scsi_Host *host = sdev->host; 479 unsigned num = 0; 480 481 __shost_for_each_device(dev, host) { 482 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 483 (sdev_channel(dev) == CONTAINER_CHANNEL)) 484 ++num; 485 ++num; 486 } 487 if (num >= host->can_queue) 488 num = host->can_queue - 1; 489 if (depth > (host->can_queue - num)) 490 depth = host->can_queue - num; 491 if (depth > 256) 492 depth = 256; 493 else if (depth < 2) 494 depth = 2; 495 return scsi_change_queue_depth(sdev, depth); 496 } 497 498 return scsi_change_queue_depth(sdev, 1); 499 } 500 501 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 502 { 503 struct scsi_device *sdev = to_scsi_device(dev); 504 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 505 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 506 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 507 ? "Hidden\n" : 508 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 509 return snprintf(buf, PAGE_SIZE, "%s\n", 510 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 511 } 512 513 static struct device_attribute aac_raid_level_attr = { 514 .attr = { 515 .name = "level", 516 .mode = S_IRUGO, 517 }, 518 .show = aac_show_raid_level 519 }; 520 521 static struct device_attribute *aac_dev_attrs[] = { 522 &aac_raid_level_attr, 523 NULL, 524 }; 525 526 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 527 { 528 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 529 if (!capable(CAP_SYS_RAWIO)) 530 return -EPERM; 531 return aac_do_ioctl(dev, cmd, arg); 532 } 533 534 static int aac_eh_abort(struct scsi_cmnd* cmd) 535 { 536 struct scsi_device * dev = cmd->device; 537 struct Scsi_Host * host = dev->host; 538 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 539 int count; 540 int ret = FAILED; 541 542 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n", 543 AAC_DRIVERNAME, 544 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 545 switch (cmd->cmnd[0]) { 546 case SERVICE_ACTION_IN_16: 547 if (!(aac->raw_io_interface) || 548 !(aac->raw_io_64) || 549 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 550 break; 551 case INQUIRY: 552 case READ_CAPACITY: 553 /* Mark associated FIB to not complete, eh handler does this */ 554 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 555 struct fib * fib = &aac->fibs[count]; 556 if (fib->hw_fib_va->header.XferState && 557 (fib->flags & FIB_CONTEXT_FLAG) && 558 (fib->callback_data == cmd)) { 559 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 560 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 561 ret = SUCCESS; 562 } 563 } 564 break; 565 case TEST_UNIT_READY: 566 /* Mark associated FIB to not complete, eh handler does this */ 567 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 568 struct scsi_cmnd * command; 569 struct fib * fib = &aac->fibs[count]; 570 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && 571 (fib->flags & FIB_CONTEXT_FLAG) && 572 ((command = fib->callback_data)) && 573 (command->device == cmd->device)) { 574 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 575 command->SCp.phase = AAC_OWNER_ERROR_HANDLER; 576 if (command == cmd) 577 ret = SUCCESS; 578 } 579 } 580 } 581 return ret; 582 } 583 584 /* 585 * aac_eh_reset - Reset command handling 586 * @scsi_cmd: SCSI command block causing the reset 587 * 588 */ 589 static int aac_eh_reset(struct scsi_cmnd* cmd) 590 { 591 struct scsi_device * dev = cmd->device; 592 struct Scsi_Host * host = dev->host; 593 struct scsi_cmnd * command; 594 int count; 595 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 596 unsigned long flags; 597 598 /* Mark the associated FIB to not complete, eh handler does this */ 599 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 600 struct fib * fib = &aac->fibs[count]; 601 if (fib->hw_fib_va->header.XferState && 602 (fib->flags & FIB_CONTEXT_FLAG) && 603 (fib->callback_data == cmd)) { 604 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 605 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 606 } 607 } 608 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 609 AAC_DRIVERNAME); 610 611 if ((count = aac_check_health(aac))) 612 return count; 613 /* 614 * Wait for all commands to complete to this specific 615 * target (block maximum 60 seconds). 616 */ 617 for (count = 60; count; --count) { 618 int active = aac->in_reset; 619 620 if (active == 0) 621 __shost_for_each_device(dev, host) { 622 spin_lock_irqsave(&dev->list_lock, flags); 623 list_for_each_entry(command, &dev->cmd_list, list) { 624 if ((command != cmd) && 625 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 626 active++; 627 break; 628 } 629 } 630 spin_unlock_irqrestore(&dev->list_lock, flags); 631 if (active) 632 break; 633 634 } 635 /* 636 * We can exit If all the commands are complete 637 */ 638 if (active == 0) 639 return SUCCESS; 640 ssleep(1); 641 } 642 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 643 /* 644 * This adapter needs a blind reset, only do so for Adapters that 645 * support a register, instead of a commanded, reset. 646 */ 647 if (((aac->supplement_adapter_info.SupportedOptions2 & 648 AAC_OPTION_MU_RESET) || 649 (aac->supplement_adapter_info.SupportedOptions2 & 650 AAC_OPTION_DOORBELL_RESET)) && 651 aac_check_reset && 652 ((aac_check_reset != 1) || 653 !(aac->supplement_adapter_info.SupportedOptions2 & 654 AAC_OPTION_IGNORE_RESET))) 655 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 656 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 657 } 658 659 /** 660 * aac_cfg_open - open a configuration file 661 * @inode: inode being opened 662 * @file: file handle attached 663 * 664 * Called when the configuration device is opened. Does the needed 665 * set up on the handle and then returns 666 * 667 * Bugs: This needs extending to check a given adapter is present 668 * so we can support hot plugging, and to ref count adapters. 669 */ 670 671 static int aac_cfg_open(struct inode *inode, struct file *file) 672 { 673 struct aac_dev *aac; 674 unsigned minor_number = iminor(inode); 675 int err = -ENODEV; 676 677 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 678 list_for_each_entry(aac, &aac_devices, entry) { 679 if (aac->id == minor_number) { 680 file->private_data = aac; 681 err = 0; 682 break; 683 } 684 } 685 mutex_unlock(&aac_mutex); 686 687 return err; 688 } 689 690 /** 691 * aac_cfg_ioctl - AAC configuration request 692 * @inode: inode of device 693 * @file: file handle 694 * @cmd: ioctl command code 695 * @arg: argument 696 * 697 * Handles a configuration ioctl. Currently this involves wrapping it 698 * up and feeding it into the nasty windowsalike glue layer. 699 * 700 * Bugs: Needs locking against parallel ioctls lower down 701 * Bugs: Needs to handle hot plugging 702 */ 703 704 static long aac_cfg_ioctl(struct file *file, 705 unsigned int cmd, unsigned long arg) 706 { 707 struct aac_dev *aac = (struct aac_dev *)file->private_data; 708 709 if (!capable(CAP_SYS_RAWIO)) 710 return -EPERM; 711 712 return aac_do_ioctl(aac, cmd, (void __user *)arg); 713 } 714 715 #ifdef CONFIG_COMPAT 716 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 717 { 718 long ret; 719 switch (cmd) { 720 case FSACTL_MINIPORT_REV_CHECK: 721 case FSACTL_SENDFIB: 722 case FSACTL_OPEN_GET_ADAPTER_FIB: 723 case FSACTL_CLOSE_GET_ADAPTER_FIB: 724 case FSACTL_SEND_RAW_SRB: 725 case FSACTL_GET_PCI_INFO: 726 case FSACTL_QUERY_DISK: 727 case FSACTL_DELETE_DISK: 728 case FSACTL_FORCE_DELETE_DISK: 729 case FSACTL_GET_CONTAINERS: 730 case FSACTL_SEND_LARGE_FIB: 731 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 732 break; 733 734 case FSACTL_GET_NEXT_ADAPTER_FIB: { 735 struct fib_ioctl __user *f; 736 737 f = compat_alloc_user_space(sizeof(*f)); 738 ret = 0; 739 if (clear_user(f, sizeof(*f))) 740 ret = -EFAULT; 741 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 742 ret = -EFAULT; 743 if (!ret) 744 ret = aac_do_ioctl(dev, cmd, f); 745 break; 746 } 747 748 default: 749 ret = -ENOIOCTLCMD; 750 break; 751 } 752 return ret; 753 } 754 755 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 756 { 757 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 758 if (!capable(CAP_SYS_RAWIO)) 759 return -EPERM; 760 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 761 } 762 763 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 764 { 765 if (!capable(CAP_SYS_RAWIO)) 766 return -EPERM; 767 return aac_compat_do_ioctl(file->private_data, cmd, arg); 768 } 769 #endif 770 771 static ssize_t aac_show_model(struct device *device, 772 struct device_attribute *attr, char *buf) 773 { 774 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 775 int len; 776 777 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 778 char * cp = dev->supplement_adapter_info.AdapterTypeText; 779 while (*cp && *cp != ' ') 780 ++cp; 781 while (*cp == ' ') 782 ++cp; 783 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 784 } else 785 len = snprintf(buf, PAGE_SIZE, "%s\n", 786 aac_drivers[dev->cardtype].model); 787 return len; 788 } 789 790 static ssize_t aac_show_vendor(struct device *device, 791 struct device_attribute *attr, char *buf) 792 { 793 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 794 int len; 795 796 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 797 char * cp = dev->supplement_adapter_info.AdapterTypeText; 798 while (*cp && *cp != ' ') 799 ++cp; 800 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 801 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 802 dev->supplement_adapter_info.AdapterTypeText); 803 } else 804 len = snprintf(buf, PAGE_SIZE, "%s\n", 805 aac_drivers[dev->cardtype].vname); 806 return len; 807 } 808 809 static ssize_t aac_show_flags(struct device *cdev, 810 struct device_attribute *attr, char *buf) 811 { 812 int len = 0; 813 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 814 815 if (nblank(dprintk(x))) 816 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 817 #ifdef AAC_DETAILED_STATUS_INFO 818 len += snprintf(buf + len, PAGE_SIZE - len, 819 "AAC_DETAILED_STATUS_INFO\n"); 820 #endif 821 if (dev->raw_io_interface && dev->raw_io_64) 822 len += snprintf(buf + len, PAGE_SIZE - len, 823 "SAI_READ_CAPACITY_16\n"); 824 if (dev->jbod) 825 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 826 if (dev->supplement_adapter_info.SupportedOptions2 & 827 AAC_OPTION_POWER_MANAGEMENT) 828 len += snprintf(buf + len, PAGE_SIZE - len, 829 "SUPPORTED_POWER_MANAGEMENT\n"); 830 if (dev->msi) 831 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 832 return len; 833 } 834 835 static ssize_t aac_show_kernel_version(struct device *device, 836 struct device_attribute *attr, 837 char *buf) 838 { 839 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 840 int len, tmp; 841 842 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 843 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 844 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 845 le32_to_cpu(dev->adapter_info.kernelbuild)); 846 return len; 847 } 848 849 static ssize_t aac_show_monitor_version(struct device *device, 850 struct device_attribute *attr, 851 char *buf) 852 { 853 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 854 int len, tmp; 855 856 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 857 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 858 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 859 le32_to_cpu(dev->adapter_info.monitorbuild)); 860 return len; 861 } 862 863 static ssize_t aac_show_bios_version(struct device *device, 864 struct device_attribute *attr, 865 char *buf) 866 { 867 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 868 int len, tmp; 869 870 tmp = le32_to_cpu(dev->adapter_info.biosrev); 871 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 872 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 873 le32_to_cpu(dev->adapter_info.biosbuild)); 874 return len; 875 } 876 877 static ssize_t aac_show_serial_number(struct device *device, 878 struct device_attribute *attr, char *buf) 879 { 880 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 881 int len = 0; 882 883 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 884 len = snprintf(buf, 16, "%06X\n", 885 le32_to_cpu(dev->adapter_info.serial[0])); 886 if (len && 887 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 888 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], 889 buf, len-1)) 890 len = snprintf(buf, 16, "%.*s\n", 891 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 892 dev->supplement_adapter_info.MfgPcbaSerialNo); 893 894 return min(len, 16); 895 } 896 897 static ssize_t aac_show_max_channel(struct device *device, 898 struct device_attribute *attr, char *buf) 899 { 900 return snprintf(buf, PAGE_SIZE, "%d\n", 901 class_to_shost(device)->max_channel); 902 } 903 904 static ssize_t aac_show_max_id(struct device *device, 905 struct device_attribute *attr, char *buf) 906 { 907 return snprintf(buf, PAGE_SIZE, "%d\n", 908 class_to_shost(device)->max_id); 909 } 910 911 static ssize_t aac_store_reset_adapter(struct device *device, 912 struct device_attribute *attr, 913 const char *buf, size_t count) 914 { 915 int retval = -EACCES; 916 917 if (!capable(CAP_SYS_ADMIN)) 918 return retval; 919 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!'); 920 if (retval >= 0) 921 retval = count; 922 return retval; 923 } 924 925 static ssize_t aac_show_reset_adapter(struct device *device, 926 struct device_attribute *attr, 927 char *buf) 928 { 929 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 930 int len, tmp; 931 932 tmp = aac_adapter_check_health(dev); 933 if ((tmp == 0) && dev->in_reset) 934 tmp = -EBUSY; 935 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 936 return len; 937 } 938 939 static struct device_attribute aac_model = { 940 .attr = { 941 .name = "model", 942 .mode = S_IRUGO, 943 }, 944 .show = aac_show_model, 945 }; 946 static struct device_attribute aac_vendor = { 947 .attr = { 948 .name = "vendor", 949 .mode = S_IRUGO, 950 }, 951 .show = aac_show_vendor, 952 }; 953 static struct device_attribute aac_flags = { 954 .attr = { 955 .name = "flags", 956 .mode = S_IRUGO, 957 }, 958 .show = aac_show_flags, 959 }; 960 static struct device_attribute aac_kernel_version = { 961 .attr = { 962 .name = "hba_kernel_version", 963 .mode = S_IRUGO, 964 }, 965 .show = aac_show_kernel_version, 966 }; 967 static struct device_attribute aac_monitor_version = { 968 .attr = { 969 .name = "hba_monitor_version", 970 .mode = S_IRUGO, 971 }, 972 .show = aac_show_monitor_version, 973 }; 974 static struct device_attribute aac_bios_version = { 975 .attr = { 976 .name = "hba_bios_version", 977 .mode = S_IRUGO, 978 }, 979 .show = aac_show_bios_version, 980 }; 981 static struct device_attribute aac_serial_number = { 982 .attr = { 983 .name = "serial_number", 984 .mode = S_IRUGO, 985 }, 986 .show = aac_show_serial_number, 987 }; 988 static struct device_attribute aac_max_channel = { 989 .attr = { 990 .name = "max_channel", 991 .mode = S_IRUGO, 992 }, 993 .show = aac_show_max_channel, 994 }; 995 static struct device_attribute aac_max_id = { 996 .attr = { 997 .name = "max_id", 998 .mode = S_IRUGO, 999 }, 1000 .show = aac_show_max_id, 1001 }; 1002 static struct device_attribute aac_reset = { 1003 .attr = { 1004 .name = "reset_host", 1005 .mode = S_IWUSR|S_IRUGO, 1006 }, 1007 .store = aac_store_reset_adapter, 1008 .show = aac_show_reset_adapter, 1009 }; 1010 1011 static struct device_attribute *aac_attrs[] = { 1012 &aac_model, 1013 &aac_vendor, 1014 &aac_flags, 1015 &aac_kernel_version, 1016 &aac_monitor_version, 1017 &aac_bios_version, 1018 &aac_serial_number, 1019 &aac_max_channel, 1020 &aac_max_id, 1021 &aac_reset, 1022 NULL 1023 }; 1024 1025 ssize_t aac_get_serial_number(struct device *device, char *buf) 1026 { 1027 return aac_show_serial_number(device, &aac_serial_number, buf); 1028 } 1029 1030 static const struct file_operations aac_cfg_fops = { 1031 .owner = THIS_MODULE, 1032 .unlocked_ioctl = aac_cfg_ioctl, 1033 #ifdef CONFIG_COMPAT 1034 .compat_ioctl = aac_compat_cfg_ioctl, 1035 #endif 1036 .open = aac_cfg_open, 1037 .llseek = noop_llseek, 1038 }; 1039 1040 static struct scsi_host_template aac_driver_template = { 1041 .module = THIS_MODULE, 1042 .name = "AAC", 1043 .proc_name = AAC_DRIVERNAME, 1044 .info = aac_info, 1045 .ioctl = aac_ioctl, 1046 #ifdef CONFIG_COMPAT 1047 .compat_ioctl = aac_compat_ioctl, 1048 #endif 1049 .queuecommand = aac_queuecommand, 1050 .bios_param = aac_biosparm, 1051 .shost_attrs = aac_attrs, 1052 .slave_configure = aac_slave_configure, 1053 .change_queue_depth = aac_change_queue_depth, 1054 .sdev_attrs = aac_dev_attrs, 1055 .eh_abort_handler = aac_eh_abort, 1056 .eh_host_reset_handler = aac_eh_reset, 1057 .can_queue = AAC_NUM_IO_FIB, 1058 .this_id = MAXIMUM_NUM_CONTAINERS, 1059 .sg_tablesize = 16, 1060 .max_sectors = 128, 1061 #if (AAC_NUM_IO_FIB > 256) 1062 .cmd_per_lun = 256, 1063 #else 1064 .cmd_per_lun = AAC_NUM_IO_FIB, 1065 #endif 1066 .use_clustering = ENABLE_CLUSTERING, 1067 .emulated = 1, 1068 .no_write_same = 1, 1069 }; 1070 1071 static void __aac_shutdown(struct aac_dev * aac) 1072 { 1073 int i; 1074 int cpu; 1075 1076 aac_send_shutdown(aac); 1077 1078 if (aac->aif_thread) { 1079 int i; 1080 /* Clear out events first */ 1081 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { 1082 struct fib *fib = &aac->fibs[i]; 1083 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && 1084 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) 1085 up(&fib->event_wait); 1086 } 1087 kthread_stop(aac->thread); 1088 } 1089 aac_adapter_disable_int(aac); 1090 cpu = cpumask_first(cpu_online_mask); 1091 if (aac->pdev->device == PMC_DEVICE_S6 || 1092 aac->pdev->device == PMC_DEVICE_S7 || 1093 aac->pdev->device == PMC_DEVICE_S8 || 1094 aac->pdev->device == PMC_DEVICE_S9) { 1095 if (aac->max_msix > 1) { 1096 for (i = 0; i < aac->max_msix; i++) { 1097 if (irq_set_affinity_hint( 1098 aac->msixentry[i].vector, 1099 NULL)) { 1100 printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n", 1101 aac->name, 1102 aac->id, 1103 cpu); 1104 } 1105 cpu = cpumask_next(cpu, 1106 cpu_online_mask); 1107 free_irq(aac->msixentry[i].vector, 1108 &(aac->aac_msix[i])); 1109 } 1110 } else { 1111 free_irq(aac->pdev->irq, 1112 &(aac->aac_msix[0])); 1113 } 1114 } else { 1115 free_irq(aac->pdev->irq, aac); 1116 } 1117 if (aac->msi) 1118 pci_disable_msi(aac->pdev); 1119 else if (aac->max_msix > 1) 1120 pci_disable_msix(aac->pdev); 1121 } 1122 static void aac_init_char(void) 1123 { 1124 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); 1125 if (aac_cfg_major < 0) { 1126 pr_err("aacraid: unable to register \"aac\" device.\n"); 1127 } 1128 } 1129 1130 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 1131 { 1132 unsigned index = id->driver_data; 1133 struct Scsi_Host *shost; 1134 struct aac_dev *aac; 1135 struct list_head *insert = &aac_devices; 1136 int error = -ENODEV; 1137 int unique_id = 0; 1138 u64 dmamask; 1139 extern int aac_sync_mode; 1140 1141 /* 1142 * Only series 7 needs freset. 1143 */ 1144 if (pdev->device == PMC_DEVICE_S7) 1145 pdev->needs_freset = 1; 1146 1147 list_for_each_entry(aac, &aac_devices, entry) { 1148 if (aac->id > unique_id) 1149 break; 1150 insert = &aac->entry; 1151 unique_id++; 1152 } 1153 1154 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | 1155 PCIE_LINK_STATE_CLKPM); 1156 1157 error = pci_enable_device(pdev); 1158 if (error) 1159 goto out; 1160 error = -ENODEV; 1161 1162 /* 1163 * If the quirk31 bit is set, the adapter needs adapter 1164 * to driver communication memory to be allocated below 2gig 1165 */ 1166 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1167 dmamask = DMA_BIT_MASK(31); 1168 else 1169 dmamask = DMA_BIT_MASK(32); 1170 1171 if (pci_set_dma_mask(pdev, dmamask) || 1172 pci_set_consistent_dma_mask(pdev, dmamask)) 1173 goto out_disable_pdev; 1174 1175 pci_set_master(pdev); 1176 1177 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1178 if (!shost) 1179 goto out_disable_pdev; 1180 1181 shost->irq = pdev->irq; 1182 shost->unique_id = unique_id; 1183 shost->max_cmd_len = 16; 1184 shost->use_cmd_list = 1; 1185 1186 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) 1187 aac_init_char(); 1188 1189 aac = (struct aac_dev *)shost->hostdata; 1190 aac->base_start = pci_resource_start(pdev, 0); 1191 aac->scsi_host_ptr = shost; 1192 aac->pdev = pdev; 1193 aac->name = aac_driver_template.name; 1194 aac->id = shost->unique_id; 1195 aac->cardtype = index; 1196 INIT_LIST_HEAD(&aac->entry); 1197 1198 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1199 if (!aac->fibs) 1200 goto out_free_host; 1201 spin_lock_init(&aac->fib_lock); 1202 1203 mutex_init(&aac->ioctl_mutex); 1204 /* 1205 * Map in the registers from the adapter. 1206 */ 1207 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1208 if ((*aac_drivers[index].init)(aac)) 1209 goto out_unmap; 1210 1211 if (aac->sync_mode) { 1212 if (aac_sync_mode) 1213 printk(KERN_INFO "%s%d: Sync. mode enforced " 1214 "by driver parameter. This will cause " 1215 "a significant performance decrease!\n", 1216 aac->name, 1217 aac->id); 1218 else 1219 printk(KERN_INFO "%s%d: Async. mode not supported " 1220 "by current driver, sync. mode enforced." 1221 "\nPlease update driver to get full performance.\n", 1222 aac->name, 1223 aac->id); 1224 } 1225 1226 /* 1227 * Start any kernel threads needed 1228 */ 1229 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1230 if (IS_ERR(aac->thread)) { 1231 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1232 error = PTR_ERR(aac->thread); 1233 aac->thread = NULL; 1234 goto out_deinit; 1235 } 1236 1237 /* 1238 * If we had set a smaller DMA mask earlier, set it to 4gig 1239 * now since the adapter can dma data to at least a 4gig 1240 * address space. 1241 */ 1242 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1243 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) 1244 goto out_deinit; 1245 1246 aac->maximum_num_channels = aac_drivers[index].channels; 1247 error = aac_get_adapter_info(aac); 1248 if (error < 0) 1249 goto out_deinit; 1250 1251 /* 1252 * Lets override negotiations and drop the maximum SG limit to 34 1253 */ 1254 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1255 (shost->sg_tablesize > 34)) { 1256 shost->sg_tablesize = 34; 1257 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1258 } 1259 1260 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1261 (shost->sg_tablesize > 17)) { 1262 shost->sg_tablesize = 17; 1263 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1264 } 1265 1266 error = pci_set_dma_max_seg_size(pdev, 1267 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? 1268 (shost->max_sectors << 9) : 65536); 1269 if (error) 1270 goto out_deinit; 1271 1272 /* 1273 * Firmware printf works only with older firmware. 1274 */ 1275 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1276 aac->printf_enabled = 1; 1277 else 1278 aac->printf_enabled = 0; 1279 1280 /* 1281 * max channel will be the physical channels plus 1 virtual channel 1282 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1283 * physical channels are address by their actual physical number+1 1284 */ 1285 if (aac->nondasd_support || expose_physicals || aac->jbod) 1286 shost->max_channel = aac->maximum_num_channels; 1287 else 1288 shost->max_channel = 0; 1289 1290 aac_get_config_status(aac, 0); 1291 aac_get_containers(aac); 1292 list_add(&aac->entry, insert); 1293 1294 shost->max_id = aac->maximum_num_containers; 1295 if (shost->max_id < aac->maximum_num_physicals) 1296 shost->max_id = aac->maximum_num_physicals; 1297 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1298 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1299 else 1300 shost->this_id = shost->max_id; 1301 1302 if (aac_drivers[index].quirks & AAC_QUIRK_SRC) 1303 aac_intr_normal(aac, 0, 2, 0, NULL); 1304 1305 /* 1306 * dmb - we may need to move the setting of these parms somewhere else once 1307 * we get a fib that can report the actual numbers 1308 */ 1309 shost->max_lun = AAC_MAX_LUN; 1310 1311 pci_set_drvdata(pdev, shost); 1312 1313 error = scsi_add_host(shost, &pdev->dev); 1314 if (error) 1315 goto out_deinit; 1316 scsi_scan_host(shost); 1317 1318 pci_enable_pcie_error_reporting(pdev); 1319 pci_save_state(pdev); 1320 1321 return 0; 1322 1323 out_deinit: 1324 __aac_shutdown(aac); 1325 out_unmap: 1326 aac_fib_map_free(aac); 1327 if (aac->comm_addr) 1328 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1329 aac->comm_phys); 1330 kfree(aac->queues); 1331 aac_adapter_ioremap(aac, 0); 1332 kfree(aac->fibs); 1333 kfree(aac->fsa_dev); 1334 out_free_host: 1335 scsi_host_put(shost); 1336 out_disable_pdev: 1337 pci_disable_device(pdev); 1338 out: 1339 return error; 1340 } 1341 1342 static void aac_release_resources(struct aac_dev *aac) 1343 { 1344 int i; 1345 1346 aac_adapter_disable_int(aac); 1347 if (aac->pdev->device == PMC_DEVICE_S6 || 1348 aac->pdev->device == PMC_DEVICE_S7 || 1349 aac->pdev->device == PMC_DEVICE_S8 || 1350 aac->pdev->device == PMC_DEVICE_S9) { 1351 if (aac->max_msix > 1) { 1352 for (i = 0; i < aac->max_msix; i++) 1353 free_irq(aac->msixentry[i].vector, 1354 &(aac->aac_msix[i])); 1355 } else { 1356 free_irq(aac->pdev->irq, &(aac->aac_msix[0])); 1357 } 1358 } else { 1359 free_irq(aac->pdev->irq, aac); 1360 } 1361 if (aac->msi) 1362 pci_disable_msi(aac->pdev); 1363 else if (aac->max_msix > 1) 1364 pci_disable_msix(aac->pdev); 1365 1366 } 1367 1368 static int aac_acquire_resources(struct aac_dev *dev) 1369 { 1370 int i, j; 1371 int instance = dev->id; 1372 const char *name = dev->name; 1373 unsigned long status; 1374 /* 1375 * First clear out all interrupts. Then enable the one's that we 1376 * can handle. 1377 */ 1378 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) 1379 || status == 0xffffffff) 1380 msleep(20); 1381 1382 aac_adapter_disable_int(dev); 1383 aac_adapter_enable_int(dev); 1384 1385 1386 if ((dev->pdev->device == PMC_DEVICE_S7 || 1387 dev->pdev->device == PMC_DEVICE_S8 || 1388 dev->pdev->device == PMC_DEVICE_S9)) 1389 aac_define_int_mode(dev); 1390 1391 if (dev->msi_enabled) 1392 aac_src_access_devreg(dev, AAC_ENABLE_MSIX); 1393 1394 if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) { 1395 for (i = 0; i < dev->max_msix; i++) { 1396 dev->aac_msix[i].vector_no = i; 1397 dev->aac_msix[i].dev = dev; 1398 1399 if (request_irq(dev->msixentry[i].vector, 1400 dev->a_ops.adapter_intr, 1401 0, "aacraid", &(dev->aac_msix[i]))) { 1402 printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n", 1403 name, instance, i); 1404 for (j = 0 ; j < i ; j++) 1405 free_irq(dev->msixentry[j].vector, 1406 &(dev->aac_msix[j])); 1407 pci_disable_msix(dev->pdev); 1408 goto error_iounmap; 1409 } 1410 } 1411 } else { 1412 dev->aac_msix[0].vector_no = 0; 1413 dev->aac_msix[0].dev = dev; 1414 1415 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, 1416 IRQF_SHARED, "aacraid", 1417 &(dev->aac_msix[0])) < 0) { 1418 if (dev->msi) 1419 pci_disable_msi(dev->pdev); 1420 printk(KERN_ERR "%s%d: Interrupt unavailable.\n", 1421 name, instance); 1422 goto error_iounmap; 1423 } 1424 } 1425 1426 aac_adapter_enable_int(dev); 1427 1428 /*max msix may change after EEH 1429 * Re-assign vectors to fibs 1430 */ 1431 aac_fib_vector_assign(dev); 1432 1433 if (!dev->sync_mode) { 1434 /* After EEH recovery or suspend resume, max_msix count 1435 * may change, therfore updating in init as well. 1436 */ 1437 dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix); 1438 aac_adapter_start(dev); 1439 } 1440 return 0; 1441 1442 error_iounmap: 1443 return -1; 1444 1445 } 1446 1447 #if (defined(CONFIG_PM)) 1448 static int aac_suspend(struct pci_dev *pdev, pm_message_t state) 1449 { 1450 1451 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1452 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1453 1454 scsi_block_requests(shost); 1455 aac_send_shutdown(aac); 1456 1457 aac_release_resources(aac); 1458 1459 pci_set_drvdata(pdev, shost); 1460 pci_save_state(pdev); 1461 pci_disable_device(pdev); 1462 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 1463 1464 return 0; 1465 } 1466 1467 static int aac_resume(struct pci_dev *pdev) 1468 { 1469 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1470 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1471 int r; 1472 1473 pci_set_power_state(pdev, PCI_D0); 1474 pci_enable_wake(pdev, PCI_D0, 0); 1475 pci_restore_state(pdev); 1476 r = pci_enable_device(pdev); 1477 1478 if (r) 1479 goto fail_device; 1480 1481 pci_set_master(pdev); 1482 if (aac_acquire_resources(aac)) 1483 goto fail_device; 1484 /* 1485 * reset this flag to unblock ioctl() as it was set at 1486 * aac_send_shutdown() to block ioctls from upperlayer 1487 */ 1488 aac->adapter_shutdown = 0; 1489 scsi_unblock_requests(shost); 1490 1491 return 0; 1492 1493 fail_device: 1494 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); 1495 scsi_host_put(shost); 1496 pci_disable_device(pdev); 1497 return -ENODEV; 1498 } 1499 #endif 1500 1501 static void aac_shutdown(struct pci_dev *dev) 1502 { 1503 struct Scsi_Host *shost = pci_get_drvdata(dev); 1504 scsi_block_requests(shost); 1505 __aac_shutdown((struct aac_dev *)shost->hostdata); 1506 } 1507 1508 static void aac_remove_one(struct pci_dev *pdev) 1509 { 1510 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1511 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1512 1513 scsi_remove_host(shost); 1514 1515 __aac_shutdown(aac); 1516 aac_fib_map_free(aac); 1517 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1518 aac->comm_phys); 1519 kfree(aac->queues); 1520 1521 aac_adapter_ioremap(aac, 0); 1522 1523 kfree(aac->fibs); 1524 kfree(aac->fsa_dev); 1525 1526 list_del(&aac->entry); 1527 scsi_host_put(shost); 1528 pci_disable_device(pdev); 1529 if (list_empty(&aac_devices)) { 1530 unregister_chrdev(aac_cfg_major, "aac"); 1531 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; 1532 } 1533 } 1534 1535 static void aac_flush_ios(struct aac_dev *aac) 1536 { 1537 int i; 1538 struct scsi_cmnd *cmd; 1539 1540 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) { 1541 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data; 1542 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) { 1543 scsi_dma_unmap(cmd); 1544 1545 if (aac->handle_pci_error) 1546 cmd->result = DID_NO_CONNECT << 16; 1547 else 1548 cmd->result = DID_RESET << 16; 1549 1550 cmd->scsi_done(cmd); 1551 } 1552 } 1553 } 1554 1555 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, 1556 enum pci_channel_state error) 1557 { 1558 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1559 struct aac_dev *aac = shost_priv(shost); 1560 1561 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); 1562 1563 switch (error) { 1564 case pci_channel_io_normal: 1565 return PCI_ERS_RESULT_CAN_RECOVER; 1566 case pci_channel_io_frozen: 1567 aac->handle_pci_error = 1; 1568 1569 scsi_block_requests(aac->scsi_host_ptr); 1570 aac_flush_ios(aac); 1571 aac_release_resources(aac); 1572 1573 pci_disable_pcie_error_reporting(pdev); 1574 aac_adapter_ioremap(aac, 0); 1575 1576 return PCI_ERS_RESULT_NEED_RESET; 1577 case pci_channel_io_perm_failure: 1578 aac->handle_pci_error = 1; 1579 1580 aac_flush_ios(aac); 1581 return PCI_ERS_RESULT_DISCONNECT; 1582 } 1583 1584 return PCI_ERS_RESULT_NEED_RESET; 1585 } 1586 1587 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) 1588 { 1589 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); 1590 return PCI_ERS_RESULT_NEED_RESET; 1591 } 1592 1593 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) 1594 { 1595 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); 1596 pci_restore_state(pdev); 1597 if (pci_enable_device(pdev)) { 1598 dev_warn(&pdev->dev, 1599 "aacraid: failed to enable slave\n"); 1600 goto fail_device; 1601 } 1602 1603 pci_set_master(pdev); 1604 1605 if (pci_enable_device_mem(pdev)) { 1606 dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); 1607 goto fail_device; 1608 } 1609 1610 return PCI_ERS_RESULT_RECOVERED; 1611 1612 fail_device: 1613 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); 1614 return PCI_ERS_RESULT_DISCONNECT; 1615 } 1616 1617 1618 static void aac_pci_resume(struct pci_dev *pdev) 1619 { 1620 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1621 struct scsi_device *sdev = NULL; 1622 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); 1623 1624 pci_cleanup_aer_uncorrect_error_status(pdev); 1625 1626 if (aac_adapter_ioremap(aac, aac->base_size)) { 1627 1628 dev_err(&pdev->dev, "aacraid: ioremap failed\n"); 1629 /* remap failed, go back ... */ 1630 aac->comm_interface = AAC_COMM_PRODUCER; 1631 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { 1632 dev_warn(&pdev->dev, 1633 "aacraid: unable to map adapter.\n"); 1634 1635 return; 1636 } 1637 } 1638 1639 msleep(10000); 1640 1641 aac_acquire_resources(aac); 1642 1643 /* 1644 * reset this flag to unblock ioctl() as it was set 1645 * at aac_send_shutdown() to block ioctls from upperlayer 1646 */ 1647 aac->adapter_shutdown = 0; 1648 aac->handle_pci_error = 0; 1649 1650 shost_for_each_device(sdev, shost) 1651 if (sdev->sdev_state == SDEV_OFFLINE) 1652 sdev->sdev_state = SDEV_RUNNING; 1653 scsi_unblock_requests(aac->scsi_host_ptr); 1654 scsi_scan_host(aac->scsi_host_ptr); 1655 pci_save_state(pdev); 1656 1657 dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); 1658 } 1659 1660 static struct pci_error_handlers aac_pci_err_handler = { 1661 .error_detected = aac_pci_error_detected, 1662 .mmio_enabled = aac_pci_mmio_enabled, 1663 .slot_reset = aac_pci_slot_reset, 1664 .resume = aac_pci_resume, 1665 }; 1666 1667 static struct pci_driver aac_pci_driver = { 1668 .name = AAC_DRIVERNAME, 1669 .id_table = aac_pci_tbl, 1670 .probe = aac_probe_one, 1671 .remove = aac_remove_one, 1672 #if (defined(CONFIG_PM)) 1673 .suspend = aac_suspend, 1674 .resume = aac_resume, 1675 #endif 1676 .shutdown = aac_shutdown, 1677 .err_handler = &aac_pci_err_handler, 1678 }; 1679 1680 static int __init aac_init(void) 1681 { 1682 int error; 1683 1684 printk(KERN_INFO "Adaptec %s driver %s\n", 1685 AAC_DRIVERNAME, aac_driver_version); 1686 1687 error = pci_register_driver(&aac_pci_driver); 1688 if (error < 0) 1689 return error; 1690 1691 aac_init_char(); 1692 1693 1694 return 0; 1695 } 1696 1697 static void __exit aac_exit(void) 1698 { 1699 if (aac_cfg_major > -1) 1700 unregister_chrdev(aac_cfg_major, "aac"); 1701 pci_unregister_driver(&aac_pci_driver); 1702 } 1703 1704 module_init(aac_init); 1705 module_exit(aac_exit); 1706