1 /* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> 4 * 5 * based on the old aacraid driver that is.. 6 * Adaptec aacraid device driver for Linux. 7 * 8 * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2, or (at your option) 13 * any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; see the file COPYING. If not, write to 22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 23 * 24 * Module Name: 25 * linit.c 26 * 27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 28 */ 29 30 #define AAC_DRIVER_VERSION "1.1-4" 31 #ifndef AAC_DRIVER_BRANCH 32 #define AAC_DRIVER_BRANCH "" 33 #endif 34 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__ 35 #define AAC_DRIVERNAME "aacraid" 36 37 #include <linux/compat.h> 38 #include <linux/blkdev.h> 39 #include <linux/completion.h> 40 #include <linux/init.h> 41 #include <linux/interrupt.h> 42 #include <linux/kernel.h> 43 #include <linux/module.h> 44 #include <linux/moduleparam.h> 45 #include <linux/pci.h> 46 #include <linux/slab.h> 47 #include <linux/spinlock.h> 48 #include <linux/dma-mapping.h> 49 #include <linux/syscalls.h> 50 #include <linux/delay.h> 51 #include <linux/smp_lock.h> 52 #include <linux/kthread.h> 53 #include <asm/semaphore.h> 54 55 #include <scsi/scsi.h> 56 #include <scsi/scsi_cmnd.h> 57 #include <scsi/scsi_device.h> 58 #include <scsi/scsi_host.h> 59 #include <scsi/scsi_tcq.h> 60 #include <scsi/scsicam.h> 61 #include <scsi/scsi_eh.h> 62 63 #include "aacraid.h" 64 65 #ifdef AAC_DRIVER_BUILD 66 #define _str(x) #x 67 #define str(x) _str(x) 68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 69 #else 70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE 71 #endif 72 73 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 74 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 75 "Adaptec Advanced Raid Products, " 76 "and HP NetRAID-4M SCSI driver"); 77 MODULE_LICENSE("GPL"); 78 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 79 80 static LIST_HEAD(aac_devices); 81 static int aac_cfg_major = -1; 82 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 83 84 /* 85 * Because of the way Linux names scsi devices, the order in this table has 86 * become important. Check for on-board Raid first, add-in cards second. 87 * 88 * Note: The last field is used to index into aac_drivers below. 89 */ 90 static struct pci_device_id aac_pci_tbl[] = { 91 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 92 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 93 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 94 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 95 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 96 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 97 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 98 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 99 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 100 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 101 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 102 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 103 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 104 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 105 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 106 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 107 108 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 109 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 110 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 111 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 112 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 113 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 114 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 115 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 116 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 117 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */ 118 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 120 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 121 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5085AU (Hurricane) */ 122 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 123 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 124 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 125 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 126 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 127 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 128 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 129 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 130 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 131 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 132 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 133 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 134 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 135 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 136 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 137 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005SAS */ 138 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 139 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 140 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 141 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 142 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000SAS (BlackBird) */ 143 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 144 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 145 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-4810SAS (Hurricane */ 146 147 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 148 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 149 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 150 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 151 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 152 153 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 154 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 155 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 156 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 157 { 0,} 158 }; 159 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 160 161 /* 162 * dmb - For now we add the number of channels to this structure. 163 * In the future we should add a fib that reports the number of channels 164 * for the card. At that time we can remove the channels from here 165 */ 166 static struct aac_driver_ident aac_drivers[] = { 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 176 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 181 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 182 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 183 184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 188 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 189 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */ 194 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */ 195 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 196 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 197 { aac_rkt_init, "aacraid", "ICP ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */ 198 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 199 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 200 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 201 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 202 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 206 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */ 213 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 214 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 215 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 219 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */ 220 221 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 222 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 223 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 224 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 225 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 226 227 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 228 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 229 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ 230 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */ 231 }; 232 233 /** 234 * aac_queuecommand - queue a SCSI command 235 * @cmd: SCSI command to queue 236 * @done: Function to call on command completion 237 * 238 * Queues a command for execution by the associated Host Adapter. 239 * 240 * TODO: unify with aac_scsi_cmd(). 241 */ 242 243 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 244 { 245 cmd->scsi_done = done; 246 return (aac_scsi_cmd(cmd) ? FAILED : 0); 247 } 248 249 /** 250 * aac_info - Returns the host adapter name 251 * @shost: Scsi host to report on 252 * 253 * Returns a static string describing the device in question 254 */ 255 256 static const char *aac_info(struct Scsi_Host *shost) 257 { 258 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 259 return aac_drivers[dev->cardtype].name; 260 } 261 262 /** 263 * aac_get_driver_ident 264 * @devtype: index into lookup table 265 * 266 * Returns a pointer to the entry in the driver lookup table. 267 */ 268 269 struct aac_driver_ident* aac_get_driver_ident(int devtype) 270 { 271 return &aac_drivers[devtype]; 272 } 273 274 /** 275 * aac_biosparm - return BIOS parameters for disk 276 * @sdev: The scsi device corresponding to the disk 277 * @bdev: the block device corresponding to the disk 278 * @capacity: the sector capacity of the disk 279 * @geom: geometry block to fill in 280 * 281 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 282 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 283 * number of cylinders so as not to exceed drive capacity. In order for 284 * disks equal to or larger than 1 GB to be addressable by the BIOS 285 * without exceeding the BIOS limitation of 1024 cylinders, Extended 286 * Translation should be enabled. With Extended Translation enabled, 287 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 288 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 289 * are given a disk geometry of 255 heads and 63 sectors. However, if 290 * the BIOS detects that the Extended Translation setting does not match 291 * the geometry in the partition table, then the translation inferred 292 * from the partition table will be used by the BIOS, and a warning may 293 * be displayed. 294 */ 295 296 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 297 sector_t capacity, int *geom) 298 { 299 struct diskparm *param = (struct diskparm *)geom; 300 unsigned char *buf; 301 302 dprintk((KERN_DEBUG "aac_biosparm.\n")); 303 304 /* 305 * Assuming extended translation is enabled - #REVISIT# 306 */ 307 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 308 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 309 param->heads = 255; 310 param->sectors = 63; 311 } else { 312 param->heads = 128; 313 param->sectors = 32; 314 } 315 } else { 316 param->heads = 64; 317 param->sectors = 32; 318 } 319 320 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 321 322 /* 323 * Read the first 1024 bytes from the disk device, if the boot 324 * sector partition table is valid, search for a partition table 325 * entry whose end_head matches one of the standard geometry 326 * translations ( 64/32, 128/32, 255/63 ). 327 */ 328 buf = scsi_bios_ptable(bdev); 329 if (!buf) 330 return 0; 331 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 332 struct partition *first = (struct partition * )buf; 333 struct partition *entry = first; 334 int saved_cylinders = param->cylinders; 335 int num; 336 unsigned char end_head, end_sec; 337 338 for(num = 0; num < 4; num++) { 339 end_head = entry->end_head; 340 end_sec = entry->end_sector & 0x3f; 341 342 if(end_head == 63) { 343 param->heads = 64; 344 param->sectors = 32; 345 break; 346 } else if(end_head == 127) { 347 param->heads = 128; 348 param->sectors = 32; 349 break; 350 } else if(end_head == 254) { 351 param->heads = 255; 352 param->sectors = 63; 353 break; 354 } 355 entry++; 356 } 357 358 if (num == 4) { 359 end_head = first->end_head; 360 end_sec = first->end_sector & 0x3f; 361 } 362 363 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 364 if (num < 4 && end_sec == param->sectors) { 365 if (param->cylinders != saved_cylinders) 366 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 367 param->heads, param->sectors, num)); 368 } else if (end_head > 0 || end_sec > 0) { 369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 370 end_head + 1, end_sec, num)); 371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 372 param->heads, param->sectors)); 373 } 374 } 375 kfree(buf); 376 return 0; 377 } 378 379 /** 380 * aac_slave_configure - compute queue depths 381 * @sdev: SCSI device we are considering 382 * 383 * Selects queue depths for each target device based on the host adapter's 384 * total capacity and the queue depth supported by the target device. 385 * A queue depth of one automatically disables tagged queueing. 386 */ 387 388 static int aac_slave_configure(struct scsi_device *sdev) 389 { 390 if (sdev_channel(sdev) == CONTAINER_CHANNEL) { 391 sdev->skip_ms_page_8 = 1; 392 sdev->skip_ms_page_3f = 1; 393 } 394 if ((sdev->type == TYPE_DISK) && 395 (sdev_channel(sdev) != CONTAINER_CHANNEL)) { 396 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 397 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 398 sdev->no_uld_attach = 1; 399 } 400 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 401 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 402 struct scsi_device * dev; 403 struct Scsi_Host *host = sdev->host; 404 unsigned num_lsu = 0; 405 unsigned num_one = 0; 406 unsigned depth; 407 408 __shost_for_each_device(dev, host) { 409 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 410 (sdev_channel(dev) == CONTAINER_CHANNEL)) 411 ++num_lsu; 412 else 413 ++num_one; 414 } 415 if (num_lsu == 0) 416 ++num_lsu; 417 depth = (host->can_queue - num_one) / num_lsu; 418 if (depth > 256) 419 depth = 256; 420 else if (depth < 2) 421 depth = 2; 422 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 423 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 424 AAC_OPT_NEW_COMM)) 425 blk_queue_max_segment_size(sdev->request_queue, 65536); 426 } else 427 scsi_adjust_queue_depth(sdev, 0, 1); 428 429 return 0; 430 } 431 432 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 433 { 434 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 435 return aac_do_ioctl(dev, cmd, arg); 436 } 437 438 /* 439 * aac_eh_reset - Reset command handling 440 * @scsi_cmd: SCSI command block causing the reset 441 * 442 */ 443 static int aac_eh_reset(struct scsi_cmnd* cmd) 444 { 445 struct scsi_device * dev = cmd->device; 446 struct Scsi_Host * host = dev->host; 447 struct scsi_cmnd * command; 448 int count; 449 struct aac_dev * aac; 450 unsigned long flags; 451 452 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 453 AAC_DRIVERNAME); 454 455 456 spin_lock_irq(host->host_lock); 457 458 aac = (struct aac_dev *)host->hostdata; 459 if (aac_adapter_check_health(aac)) { 460 printk(KERN_ERR "%s: Host adapter appears dead\n", 461 AAC_DRIVERNAME); 462 spin_unlock_irq(host->host_lock); 463 return -ENODEV; 464 } 465 /* 466 * Wait for all commands to complete to this specific 467 * target (block maximum 60 seconds). 468 */ 469 for (count = 60; count; --count) { 470 int active = 0; 471 __shost_for_each_device(dev, host) { 472 spin_lock_irqsave(&dev->list_lock, flags); 473 list_for_each_entry(command, &dev->cmd_list, list) { 474 if (command->serial_number) { 475 active++; 476 break; 477 } 478 } 479 spin_unlock_irqrestore(&dev->list_lock, flags); 480 if (active) 481 break; 482 483 } 484 /* 485 * We can exit If all the commands are complete 486 */ 487 spin_unlock_irq(host->host_lock); 488 if (active == 0) 489 return SUCCESS; 490 ssleep(1); 491 spin_lock_irq(host->host_lock); 492 } 493 spin_unlock_irq(host->host_lock); 494 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 495 return -ETIMEDOUT; 496 } 497 498 /** 499 * aac_cfg_open - open a configuration file 500 * @inode: inode being opened 501 * @file: file handle attached 502 * 503 * Called when the configuration device is opened. Does the needed 504 * set up on the handle and then returns 505 * 506 * Bugs: This needs extending to check a given adapter is present 507 * so we can support hot plugging, and to ref count adapters. 508 */ 509 510 static int aac_cfg_open(struct inode *inode, struct file *file) 511 { 512 struct aac_dev *aac; 513 unsigned minor_number = iminor(inode); 514 int err = -ENODEV; 515 516 list_for_each_entry(aac, &aac_devices, entry) { 517 if (aac->id == minor_number) { 518 file->private_data = aac; 519 err = 0; 520 break; 521 } 522 } 523 524 return err; 525 } 526 527 /** 528 * aac_cfg_ioctl - AAC configuration request 529 * @inode: inode of device 530 * @file: file handle 531 * @cmd: ioctl command code 532 * @arg: argument 533 * 534 * Handles a configuration ioctl. Currently this involves wrapping it 535 * up and feeding it into the nasty windowsalike glue layer. 536 * 537 * Bugs: Needs locking against parallel ioctls lower down 538 * Bugs: Needs to handle hot plugging 539 */ 540 541 static int aac_cfg_ioctl(struct inode *inode, struct file *file, 542 unsigned int cmd, unsigned long arg) 543 { 544 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 545 } 546 547 #ifdef CONFIG_COMPAT 548 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 549 { 550 long ret; 551 lock_kernel(); 552 switch (cmd) { 553 case FSACTL_MINIPORT_REV_CHECK: 554 case FSACTL_SENDFIB: 555 case FSACTL_OPEN_GET_ADAPTER_FIB: 556 case FSACTL_CLOSE_GET_ADAPTER_FIB: 557 case FSACTL_SEND_RAW_SRB: 558 case FSACTL_GET_PCI_INFO: 559 case FSACTL_QUERY_DISK: 560 case FSACTL_DELETE_DISK: 561 case FSACTL_FORCE_DELETE_DISK: 562 case FSACTL_GET_CONTAINERS: 563 case FSACTL_SEND_LARGE_FIB: 564 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 565 break; 566 567 case FSACTL_GET_NEXT_ADAPTER_FIB: { 568 struct fib_ioctl __user *f; 569 570 f = compat_alloc_user_space(sizeof(*f)); 571 ret = 0; 572 if (clear_user(f, sizeof(*f) != sizeof(*f))) 573 ret = -EFAULT; 574 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 575 ret = -EFAULT; 576 if (!ret) 577 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 578 break; 579 } 580 581 default: 582 ret = -ENOIOCTLCMD; 583 break; 584 } 585 unlock_kernel(); 586 return ret; 587 } 588 589 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 590 { 591 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 592 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 593 } 594 595 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 596 { 597 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 598 } 599 #endif 600 601 static ssize_t aac_show_model(struct class_device *class_dev, 602 char *buf) 603 { 604 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 605 int len; 606 607 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 608 char * cp = dev->supplement_adapter_info.AdapterTypeText; 609 while (*cp && *cp != ' ') 610 ++cp; 611 while (*cp == ' ') 612 ++cp; 613 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 614 } else 615 len = snprintf(buf, PAGE_SIZE, "%s\n", 616 aac_drivers[dev->cardtype].model); 617 return len; 618 } 619 620 static ssize_t aac_show_vendor(struct class_device *class_dev, 621 char *buf) 622 { 623 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 624 int len; 625 626 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 627 char * cp = dev->supplement_adapter_info.AdapterTypeText; 628 while (*cp && *cp != ' ') 629 ++cp; 630 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 631 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 632 dev->supplement_adapter_info.AdapterTypeText); 633 } else 634 len = snprintf(buf, PAGE_SIZE, "%s\n", 635 aac_drivers[dev->cardtype].vname); 636 return len; 637 } 638 639 static ssize_t aac_show_kernel_version(struct class_device *class_dev, 640 char *buf) 641 { 642 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 643 int len, tmp; 644 645 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 646 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 647 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 648 le32_to_cpu(dev->adapter_info.kernelbuild)); 649 return len; 650 } 651 652 static ssize_t aac_show_monitor_version(struct class_device *class_dev, 653 char *buf) 654 { 655 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 656 int len, tmp; 657 658 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 659 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 660 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 661 le32_to_cpu(dev->adapter_info.monitorbuild)); 662 return len; 663 } 664 665 static ssize_t aac_show_bios_version(struct class_device *class_dev, 666 char *buf) 667 { 668 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 669 int len, tmp; 670 671 tmp = le32_to_cpu(dev->adapter_info.biosrev); 672 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 673 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 674 le32_to_cpu(dev->adapter_info.biosbuild)); 675 return len; 676 } 677 678 static ssize_t aac_show_serial_number(struct class_device *class_dev, 679 char *buf) 680 { 681 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 682 int len = 0; 683 684 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 685 len = snprintf(buf, PAGE_SIZE, "%x\n", 686 le32_to_cpu(dev->adapter_info.serial[0])); 687 return len; 688 } 689 690 691 static struct class_device_attribute aac_model = { 692 .attr = { 693 .name = "model", 694 .mode = S_IRUGO, 695 }, 696 .show = aac_show_model, 697 }; 698 static struct class_device_attribute aac_vendor = { 699 .attr = { 700 .name = "vendor", 701 .mode = S_IRUGO, 702 }, 703 .show = aac_show_vendor, 704 }; 705 static struct class_device_attribute aac_kernel_version = { 706 .attr = { 707 .name = "hba_kernel_version", 708 .mode = S_IRUGO, 709 }, 710 .show = aac_show_kernel_version, 711 }; 712 static struct class_device_attribute aac_monitor_version = { 713 .attr = { 714 .name = "hba_monitor_version", 715 .mode = S_IRUGO, 716 }, 717 .show = aac_show_monitor_version, 718 }; 719 static struct class_device_attribute aac_bios_version = { 720 .attr = { 721 .name = "hba_bios_version", 722 .mode = S_IRUGO, 723 }, 724 .show = aac_show_bios_version, 725 }; 726 static struct class_device_attribute aac_serial_number = { 727 .attr = { 728 .name = "serial_number", 729 .mode = S_IRUGO, 730 }, 731 .show = aac_show_serial_number, 732 }; 733 734 static struct class_device_attribute *aac_attrs[] = { 735 &aac_model, 736 &aac_vendor, 737 &aac_kernel_version, 738 &aac_monitor_version, 739 &aac_bios_version, 740 &aac_serial_number, 741 NULL 742 }; 743 744 745 static struct file_operations aac_cfg_fops = { 746 .owner = THIS_MODULE, 747 .ioctl = aac_cfg_ioctl, 748 #ifdef CONFIG_COMPAT 749 .compat_ioctl = aac_compat_cfg_ioctl, 750 #endif 751 .open = aac_cfg_open, 752 }; 753 754 static struct scsi_host_template aac_driver_template = { 755 .module = THIS_MODULE, 756 .name = "AAC", 757 .proc_name = AAC_DRIVERNAME, 758 .info = aac_info, 759 .ioctl = aac_ioctl, 760 #ifdef CONFIG_COMPAT 761 .compat_ioctl = aac_compat_ioctl, 762 #endif 763 .queuecommand = aac_queuecommand, 764 .bios_param = aac_biosparm, 765 .shost_attrs = aac_attrs, 766 .slave_configure = aac_slave_configure, 767 .eh_host_reset_handler = aac_eh_reset, 768 .can_queue = AAC_NUM_IO_FIB, 769 .this_id = MAXIMUM_NUM_CONTAINERS, 770 .sg_tablesize = 16, 771 .max_sectors = 128, 772 #if (AAC_NUM_IO_FIB > 256) 773 .cmd_per_lun = 256, 774 #else 775 .cmd_per_lun = AAC_NUM_IO_FIB, 776 #endif 777 .use_clustering = ENABLE_CLUSTERING, 778 }; 779 780 781 static int __devinit aac_probe_one(struct pci_dev *pdev, 782 const struct pci_device_id *id) 783 { 784 unsigned index = id->driver_data; 785 struct Scsi_Host *shost; 786 struct aac_dev *aac; 787 struct list_head *insert = &aac_devices; 788 int error = -ENODEV; 789 int unique_id = 0; 790 791 list_for_each_entry(aac, &aac_devices, entry) { 792 if (aac->id > unique_id) 793 break; 794 insert = &aac->entry; 795 unique_id++; 796 } 797 798 error = pci_enable_device(pdev); 799 if (error) 800 goto out; 801 802 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 803 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 804 goto out; 805 /* 806 * If the quirk31 bit is set, the adapter needs adapter 807 * to driver communication memory to be allocated below 2gig 808 */ 809 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 810 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 811 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 812 goto out; 813 814 pci_set_master(pdev); 815 816 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 817 if (!shost) 818 goto out_disable_pdev; 819 820 shost->irq = pdev->irq; 821 shost->base = pci_resource_start(pdev, 0); 822 shost->unique_id = unique_id; 823 shost->max_cmd_len = 16; 824 825 aac = (struct aac_dev *)shost->hostdata; 826 aac->scsi_host_ptr = shost; 827 aac->pdev = pdev; 828 aac->name = aac_driver_template.name; 829 aac->id = shost->unique_id; 830 aac->cardtype = index; 831 INIT_LIST_HEAD(&aac->entry); 832 833 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 834 if (!aac->fibs) 835 goto out_free_host; 836 spin_lock_init(&aac->fib_lock); 837 838 /* 839 * Map in the registers from the adapter. 840 */ 841 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 842 if ((aac->regs.sa = ioremap( 843 (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE)) 844 == NULL) { 845 printk(KERN_WARNING "%s: unable to map adapter.\n", 846 AAC_DRIVERNAME); 847 goto out_free_fibs; 848 } 849 if ((*aac_drivers[index].init)(aac)) 850 goto out_unmap; 851 852 /* 853 * Start any kernel threads needed 854 */ 855 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 856 if (IS_ERR(aac->thread)) { 857 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 858 error = PTR_ERR(aac->thread); 859 goto out_deinit; 860 } 861 862 /* 863 * If we had set a smaller DMA mask earlier, set it to 4gig 864 * now since the adapter can dma data to at least a 4gig 865 * address space. 866 */ 867 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 868 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 869 goto out_deinit; 870 871 aac->maximum_num_channels = aac_drivers[index].channels; 872 error = aac_get_adapter_info(aac); 873 if (error < 0) 874 goto out_deinit; 875 876 /* 877 * Lets override negotiations and drop the maximum SG limit to 34 878 */ 879 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 880 (aac->scsi_host_ptr->sg_tablesize > 34)) { 881 aac->scsi_host_ptr->sg_tablesize = 34; 882 aac->scsi_host_ptr->max_sectors 883 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 884 } 885 886 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 887 (aac->scsi_host_ptr->sg_tablesize > 17)) { 888 aac->scsi_host_ptr->sg_tablesize = 17; 889 aac->scsi_host_ptr->max_sectors 890 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 891 } 892 893 /* 894 * Firware printf works only with older firmware. 895 */ 896 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 897 aac->printf_enabled = 1; 898 else 899 aac->printf_enabled = 0; 900 901 /* 902 * max channel will be the physical channels plus 1 virtual channel 903 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 904 * physical channels are address by their actual physical number+1 905 */ 906 if (aac->nondasd_support == 1) 907 shost->max_channel = aac->maximum_num_channels + 1; 908 else 909 shost->max_channel = 1; 910 911 aac_get_config_status(aac); 912 aac_get_containers(aac); 913 list_add(&aac->entry, insert); 914 915 shost->max_id = aac->maximum_num_containers; 916 if (shost->max_id < aac->maximum_num_physicals) 917 shost->max_id = aac->maximum_num_physicals; 918 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 919 shost->max_id = MAXIMUM_NUM_CONTAINERS; 920 else 921 shost->this_id = shost->max_id; 922 923 /* 924 * dmb - we may need to move the setting of these parms somewhere else once 925 * we get a fib that can report the actual numbers 926 */ 927 shost->max_lun = AAC_MAX_LUN; 928 929 pci_set_drvdata(pdev, shost); 930 931 error = scsi_add_host(shost, &pdev->dev); 932 if (error) 933 goto out_deinit; 934 scsi_scan_host(shost); 935 936 return 0; 937 938 out_deinit: 939 kthread_stop(aac->thread); 940 aac_send_shutdown(aac); 941 aac_adapter_disable_int(aac); 942 free_irq(pdev->irq, aac); 943 out_unmap: 944 aac_fib_map_free(aac); 945 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 946 kfree(aac->queues); 947 iounmap(aac->regs.sa); 948 out_free_fibs: 949 kfree(aac->fibs); 950 kfree(aac->fsa_dev); 951 out_free_host: 952 scsi_host_put(shost); 953 out_disable_pdev: 954 pci_disable_device(pdev); 955 out: 956 return error; 957 } 958 959 static void aac_shutdown(struct pci_dev *dev) 960 { 961 struct Scsi_Host *shost = pci_get_drvdata(dev); 962 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 963 aac_send_shutdown(aac); 964 } 965 966 static void __devexit aac_remove_one(struct pci_dev *pdev) 967 { 968 struct Scsi_Host *shost = pci_get_drvdata(pdev); 969 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 970 971 scsi_remove_host(shost); 972 973 kthread_stop(aac->thread); 974 975 aac_send_shutdown(aac); 976 aac_adapter_disable_int(aac); 977 aac_fib_map_free(aac); 978 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 979 aac->comm_phys); 980 kfree(aac->queues); 981 982 free_irq(pdev->irq, aac); 983 iounmap(aac->regs.sa); 984 985 kfree(aac->fibs); 986 kfree(aac->fsa_dev); 987 988 list_del(&aac->entry); 989 scsi_host_put(shost); 990 pci_disable_device(pdev); 991 } 992 993 static struct pci_driver aac_pci_driver = { 994 .name = AAC_DRIVERNAME, 995 .id_table = aac_pci_tbl, 996 .probe = aac_probe_one, 997 .remove = __devexit_p(aac_remove_one), 998 .shutdown = aac_shutdown, 999 }; 1000 1001 static int __init aac_init(void) 1002 { 1003 int error; 1004 1005 printk(KERN_INFO "Adaptec %s driver (%s)\n", 1006 AAC_DRIVERNAME, aac_driver_version); 1007 1008 error = pci_register_driver(&aac_pci_driver); 1009 if (error < 0) 1010 return error; 1011 1012 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1013 if (aac_cfg_major < 0) { 1014 printk(KERN_WARNING 1015 "aacraid: unable to register \"aac\" device.\n"); 1016 } 1017 1018 return 0; 1019 } 1020 1021 static void __exit aac_exit(void) 1022 { 1023 unregister_chrdev(aac_cfg_major, "aac"); 1024 pci_unregister_driver(&aac_pci_driver); 1025 } 1026 1027 module_init(aac_init); 1028 module_exit(aac_exit); 1029