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