linit.c revision bb08f92ebd75704e07d69bb9d8ee234d1a500b98
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/syscalls.h> 49#include <linux/delay.h> 50#include <linux/smp_lock.h> 51#include <asm/semaphore.h> 52 53#include <scsi/scsi.h> 54#include <scsi/scsi_cmnd.h> 55#include <scsi/scsi_device.h> 56#include <scsi/scsi_host.h> 57#include <scsi/scsi_tcq.h> 58#include <scsi/scsicam.h> 59#include <scsi/scsi_eh.h> 60 61#include "aacraid.h" 62 63#ifdef AAC_DRIVER_BUILD 64#define _str(x) #x 65#define str(x) _str(x) 66#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 67#else 68#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE 69#endif 70 71MODULE_AUTHOR("Red Hat Inc and Adaptec"); 72MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 73 "Adaptec Advanced Raid Products, " 74 "and HP NetRAID-4M SCSI driver"); 75MODULE_LICENSE("GPL"); 76MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 77 78static LIST_HEAD(aac_devices); 79static int aac_cfg_major = -1; 80char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 81 82/* 83 * Because of the way Linux names scsi devices, the order in this table has 84 * become important. Check for on-board Raid first, add-in cards second. 85 * 86 * Note: The last field is used to index into aac_drivers below. 87 */ 88static struct pci_device_id aac_pci_tbl[] = { 89 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 90 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 91 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 92 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 93 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 94 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 95 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 96 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 97 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 98 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 99 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 100 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 101 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 102 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 103 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 104 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 105 106 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 107 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 108 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 109 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 110 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 111 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 112 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 113 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 114 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 115 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */ 116 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (Lancer) */ 117 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 118 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5085AU (Hurricane) */ 120 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 121 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 122 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 123 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 124 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 125 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 126 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 127 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 128 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 129 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 130 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 131 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 132 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 133 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 134 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 135 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005SAS */ 136 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 137 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 138 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 139 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 140 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000SAS (BlackBird) */ 141 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 142 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 143 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-4810SAS (Hurricane */ 144 145 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 146 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 147 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 148 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 149 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 150 151 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 152 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 153 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 154 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 155 { 0,} 156}; 157MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 158 159/* 160 * dmb - For now we add the number of channels to this structure. 161 * In the future we should add a fib that reports the number of channels 162 * for the card. At that time we can remove the channels from here 163 */ 164static struct aac_driver_ident aac_drivers[] = { 165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 174 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 175 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 176 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 179 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 180 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 181 182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 184 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 186 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 187 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 188 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 189 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 191 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */ 192 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 194 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 195 { aac_rkt_init, "aacraid", "ICP ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */ 196 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 197 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 198 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 199 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 200 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 201 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 204 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 206 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 207 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */ 211 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 212 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 213 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 214 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */ 215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 217 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */ 218 219 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 220 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 221 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 222 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 223 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 224 225 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 226 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 227 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ 228 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */ 229}; 230 231/** 232 * aac_queuecommand - queue a SCSI command 233 * @cmd: SCSI command to queue 234 * @done: Function to call on command completion 235 * 236 * Queues a command for execution by the associated Host Adapter. 237 * 238 * TODO: unify with aac_scsi_cmd(). 239 */ 240 241static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 242{ 243 cmd->scsi_done = done; 244 return (aac_scsi_cmd(cmd) ? FAILED : 0); 245} 246 247/** 248 * aac_info - Returns the host adapter name 249 * @shost: Scsi host to report on 250 * 251 * Returns a static string describing the device in question 252 */ 253 254static const char *aac_info(struct Scsi_Host *shost) 255{ 256 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 257 return aac_drivers[dev->cardtype].name; 258} 259 260/** 261 * aac_get_driver_ident 262 * @devtype: index into lookup table 263 * 264 * Returns a pointer to the entry in the driver lookup table. 265 */ 266 267struct aac_driver_ident* aac_get_driver_ident(int devtype) 268{ 269 return &aac_drivers[devtype]; 270} 271 272/** 273 * aac_biosparm - return BIOS parameters for disk 274 * @sdev: The scsi device corresponding to the disk 275 * @bdev: the block device corresponding to the disk 276 * @capacity: the sector capacity of the disk 277 * @geom: geometry block to fill in 278 * 279 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 280 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 281 * number of cylinders so as not to exceed drive capacity. In order for 282 * disks equal to or larger than 1 GB to be addressable by the BIOS 283 * without exceeding the BIOS limitation of 1024 cylinders, Extended 284 * Translation should be enabled. With Extended Translation enabled, 285 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 286 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 287 * are given a disk geometry of 255 heads and 63 sectors. However, if 288 * the BIOS detects that the Extended Translation setting does not match 289 * the geometry in the partition table, then the translation inferred 290 * from the partition table will be used by the BIOS, and a warning may 291 * be displayed. 292 */ 293 294static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 295 sector_t capacity, int *geom) 296{ 297 struct diskparm *param = (struct diskparm *)geom; 298 unsigned char *buf; 299 300 dprintk((KERN_DEBUG "aac_biosparm.\n")); 301 302 /* 303 * Assuming extended translation is enabled - #REVISIT# 304 */ 305 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 306 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 307 param->heads = 255; 308 param->sectors = 63; 309 } else { 310 param->heads = 128; 311 param->sectors = 32; 312 } 313 } else { 314 param->heads = 64; 315 param->sectors = 32; 316 } 317 318 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 319 320 /* 321 * Read the first 1024 bytes from the disk device, if the boot 322 * sector partition table is valid, search for a partition table 323 * entry whose end_head matches one of the standard geometry 324 * translations ( 64/32, 128/32, 255/63 ). 325 */ 326 buf = scsi_bios_ptable(bdev); 327 if (!buf) 328 return 0; 329 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 330 struct partition *first = (struct partition * )buf; 331 struct partition *entry = first; 332 int saved_cylinders = param->cylinders; 333 int num; 334 unsigned char end_head, end_sec; 335 336 for(num = 0; num < 4; num++) { 337 end_head = entry->end_head; 338 end_sec = entry->end_sector & 0x3f; 339 340 if(end_head == 63) { 341 param->heads = 64; 342 param->sectors = 32; 343 break; 344 } else if(end_head == 127) { 345 param->heads = 128; 346 param->sectors = 32; 347 break; 348 } else if(end_head == 254) { 349 param->heads = 255; 350 param->sectors = 63; 351 break; 352 } 353 entry++; 354 } 355 356 if (num == 4) { 357 end_head = first->end_head; 358 end_sec = first->end_sector & 0x3f; 359 } 360 361 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 362 if (num < 4 && end_sec == param->sectors) { 363 if (param->cylinders != saved_cylinders) 364 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 365 param->heads, param->sectors, num)); 366 } else if (end_head > 0 || end_sec > 0) { 367 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 368 end_head + 1, end_sec, num)); 369 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 370 param->heads, param->sectors)); 371 } 372 } 373 kfree(buf); 374 return 0; 375} 376 377/** 378 * aac_slave_configure - compute queue depths 379 * @sdev: SCSI device we are considering 380 * 381 * Selects queue depths for each target device based on the host adapter's 382 * total capacity and the queue depth supported by the target device. 383 * A queue depth of one automatically disables tagged queueing. 384 */ 385 386static int aac_slave_configure(struct scsi_device *sdev) 387{ 388 if (sdev_channel(sdev) == CONTAINER_CHANNEL) { 389 sdev->skip_ms_page_8 = 1; 390 sdev->skip_ms_page_3f = 1; 391 } 392 if ((sdev->type == TYPE_DISK) && 393 (sdev_channel(sdev) != CONTAINER_CHANNEL)) { 394 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 395 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 396 sdev->no_uld_attach = 1; 397 } 398 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 399 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 400 struct scsi_device * dev; 401 struct Scsi_Host *host = sdev->host; 402 unsigned num_lsu = 0; 403 unsigned num_one = 0; 404 unsigned depth; 405 406 __shost_for_each_device(dev, host) { 407 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 408 (sdev_channel(dev) == CONTAINER_CHANNEL)) 409 ++num_lsu; 410 else 411 ++num_one; 412 } 413 if (num_lsu == 0) 414 ++num_lsu; 415 depth = (host->can_queue - num_one) / num_lsu; 416 if (depth > 256) 417 depth = 256; 418 else if (depth < 2) 419 depth = 2; 420 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 421 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 422 AAC_OPT_NEW_COMM)) 423 blk_queue_max_segment_size(sdev->request_queue, 65536); 424 } else 425 scsi_adjust_queue_depth(sdev, 0, 1); 426 427 return 0; 428} 429 430static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 431{ 432 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 433 return aac_do_ioctl(dev, cmd, arg); 434} 435 436/* 437 * aac_eh_reset - Reset command handling 438 * @scsi_cmd: SCSI command block causing the reset 439 * 440 */ 441static int aac_eh_reset(struct scsi_cmnd* cmd) 442{ 443 struct scsi_device * dev = cmd->device; 444 struct Scsi_Host * host = dev->host; 445 struct scsi_cmnd * command; 446 int count; 447 struct aac_dev * aac; 448 unsigned long flags; 449 450 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 451 AAC_DRIVERNAME); 452 453 454 spin_lock_irq(host->host_lock); 455 456 aac = (struct aac_dev *)host->hostdata; 457 if (aac_adapter_check_health(aac)) { 458 printk(KERN_ERR "%s: Host adapter appears dead\n", 459 AAC_DRIVERNAME); 460 spin_unlock_irq(host->host_lock); 461 return -ENODEV; 462 } 463 /* 464 * Wait for all commands to complete to this specific 465 * target (block maximum 60 seconds). 466 */ 467 for (count = 60; count; --count) { 468 int active = 0; 469 __shost_for_each_device(dev, host) { 470 spin_lock_irqsave(&dev->list_lock, flags); 471 list_for_each_entry(command, &dev->cmd_list, list) { 472 if (command->serial_number) { 473 active++; 474 break; 475 } 476 } 477 spin_unlock_irqrestore(&dev->list_lock, flags); 478 if (active) 479 break; 480 481 } 482 /* 483 * We can exit If all the commands are complete 484 */ 485 spin_unlock_irq(host->host_lock); 486 if (active == 0) 487 return SUCCESS; 488 ssleep(1); 489 spin_lock_irq(host->host_lock); 490 } 491 spin_unlock_irq(host->host_lock); 492 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 493 return -ETIMEDOUT; 494} 495 496/** 497 * aac_cfg_open - open a configuration file 498 * @inode: inode being opened 499 * @file: file handle attached 500 * 501 * Called when the configuration device is opened. Does the needed 502 * set up on the handle and then returns 503 * 504 * Bugs: This needs extending to check a given adapter is present 505 * so we can support hot plugging, and to ref count adapters. 506 */ 507 508static int aac_cfg_open(struct inode *inode, struct file *file) 509{ 510 struct aac_dev *aac; 511 unsigned minor_number = iminor(inode); 512 int err = -ENODEV; 513 514 list_for_each_entry(aac, &aac_devices, entry) { 515 if (aac->id == minor_number) { 516 file->private_data = aac; 517 err = 0; 518 break; 519 } 520 } 521 522 return err; 523} 524 525/** 526 * aac_cfg_ioctl - AAC configuration request 527 * @inode: inode of device 528 * @file: file handle 529 * @cmd: ioctl command code 530 * @arg: argument 531 * 532 * Handles a configuration ioctl. Currently this involves wrapping it 533 * up and feeding it into the nasty windowsalike glue layer. 534 * 535 * Bugs: Needs locking against parallel ioctls lower down 536 * Bugs: Needs to handle hot plugging 537 */ 538 539static int aac_cfg_ioctl(struct inode *inode, struct file *file, 540 unsigned int cmd, unsigned long arg) 541{ 542 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 543} 544 545#ifdef CONFIG_COMPAT 546static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 547{ 548 long ret; 549 lock_kernel(); 550 switch (cmd) { 551 case FSACTL_MINIPORT_REV_CHECK: 552 case FSACTL_SENDFIB: 553 case FSACTL_OPEN_GET_ADAPTER_FIB: 554 case FSACTL_CLOSE_GET_ADAPTER_FIB: 555 case FSACTL_SEND_RAW_SRB: 556 case FSACTL_GET_PCI_INFO: 557 case FSACTL_QUERY_DISK: 558 case FSACTL_DELETE_DISK: 559 case FSACTL_FORCE_DELETE_DISK: 560 case FSACTL_GET_CONTAINERS: 561 case FSACTL_SEND_LARGE_FIB: 562 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 563 break; 564 565 case FSACTL_GET_NEXT_ADAPTER_FIB: { 566 struct fib_ioctl __user *f; 567 568 f = compat_alloc_user_space(sizeof(*f)); 569 ret = 0; 570 if (clear_user(f, sizeof(*f) != sizeof(*f))) 571 ret = -EFAULT; 572 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 573 ret = -EFAULT; 574 if (!ret) 575 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 576 break; 577 } 578 579 default: 580 ret = -ENOIOCTLCMD; 581 break; 582 } 583 unlock_kernel(); 584 return ret; 585} 586 587static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 588{ 589 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 590 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 591} 592 593static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 594{ 595 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 596} 597#endif 598 599static ssize_t aac_show_model(struct class_device *class_dev, 600 char *buf) 601{ 602 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 603 int len; 604 605 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 606 char * cp = dev->supplement_adapter_info.AdapterTypeText; 607 while (*cp && *cp != ' ') 608 ++cp; 609 while (*cp == ' ') 610 ++cp; 611 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 612 } else 613 len = snprintf(buf, PAGE_SIZE, "%s\n", 614 aac_drivers[dev->cardtype].model); 615 return len; 616} 617 618static ssize_t aac_show_vendor(struct class_device *class_dev, 619 char *buf) 620{ 621 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 622 int len; 623 624 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 625 char * cp = dev->supplement_adapter_info.AdapterTypeText; 626 while (*cp && *cp != ' ') 627 ++cp; 628 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 629 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 630 dev->supplement_adapter_info.AdapterTypeText); 631 } else 632 len = snprintf(buf, PAGE_SIZE, "%s\n", 633 aac_drivers[dev->cardtype].vname); 634 return len; 635} 636 637static ssize_t aac_show_kernel_version(struct class_device *class_dev, 638 char *buf) 639{ 640 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 641 int len, tmp; 642 643 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 644 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 645 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 646 le32_to_cpu(dev->adapter_info.kernelbuild)); 647 return len; 648} 649 650static ssize_t aac_show_monitor_version(struct class_device *class_dev, 651 char *buf) 652{ 653 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 654 int len, tmp; 655 656 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 657 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 658 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 659 le32_to_cpu(dev->adapter_info.monitorbuild)); 660 return len; 661} 662 663static ssize_t aac_show_bios_version(struct class_device *class_dev, 664 char *buf) 665{ 666 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 667 int len, tmp; 668 669 tmp = le32_to_cpu(dev->adapter_info.biosrev); 670 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 671 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 672 le32_to_cpu(dev->adapter_info.biosbuild)); 673 return len; 674} 675 676static ssize_t aac_show_serial_number(struct class_device *class_dev, 677 char *buf) 678{ 679 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 680 int len = 0; 681 682 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 683 len = snprintf(buf, PAGE_SIZE, "%x\n", 684 le32_to_cpu(dev->adapter_info.serial[0])); 685 return len; 686} 687 688 689static struct class_device_attribute aac_model = { 690 .attr = { 691 .name = "model", 692 .mode = S_IRUGO, 693 }, 694 .show = aac_show_model, 695}; 696static struct class_device_attribute aac_vendor = { 697 .attr = { 698 .name = "vendor", 699 .mode = S_IRUGO, 700 }, 701 .show = aac_show_vendor, 702}; 703static struct class_device_attribute aac_kernel_version = { 704 .attr = { 705 .name = "hba_kernel_version", 706 .mode = S_IRUGO, 707 }, 708 .show = aac_show_kernel_version, 709}; 710static struct class_device_attribute aac_monitor_version = { 711 .attr = { 712 .name = "hba_monitor_version", 713 .mode = S_IRUGO, 714 }, 715 .show = aac_show_monitor_version, 716}; 717static struct class_device_attribute aac_bios_version = { 718 .attr = { 719 .name = "hba_bios_version", 720 .mode = S_IRUGO, 721 }, 722 .show = aac_show_bios_version, 723}; 724static struct class_device_attribute aac_serial_number = { 725 .attr = { 726 .name = "serial_number", 727 .mode = S_IRUGO, 728 }, 729 .show = aac_show_serial_number, 730}; 731 732static struct class_device_attribute *aac_attrs[] = { 733 &aac_model, 734 &aac_vendor, 735 &aac_kernel_version, 736 &aac_monitor_version, 737 &aac_bios_version, 738 &aac_serial_number, 739 NULL 740}; 741 742 743static struct file_operations aac_cfg_fops = { 744 .owner = THIS_MODULE, 745 .ioctl = aac_cfg_ioctl, 746#ifdef CONFIG_COMPAT 747 .compat_ioctl = aac_compat_cfg_ioctl, 748#endif 749 .open = aac_cfg_open, 750}; 751 752static struct scsi_host_template aac_driver_template = { 753 .module = THIS_MODULE, 754 .name = "AAC", 755 .proc_name = AAC_DRIVERNAME, 756 .info = aac_info, 757 .ioctl = aac_ioctl, 758#ifdef CONFIG_COMPAT 759 .compat_ioctl = aac_compat_ioctl, 760#endif 761 .queuecommand = aac_queuecommand, 762 .bios_param = aac_biosparm, 763 .shost_attrs = aac_attrs, 764 .slave_configure = aac_slave_configure, 765 .eh_host_reset_handler = aac_eh_reset, 766 .can_queue = AAC_NUM_IO_FIB, 767 .this_id = MAXIMUM_NUM_CONTAINERS, 768 .sg_tablesize = 16, 769 .max_sectors = 128, 770#if (AAC_NUM_IO_FIB > 256) 771 .cmd_per_lun = 256, 772#else 773 .cmd_per_lun = AAC_NUM_IO_FIB, 774#endif 775 .use_clustering = ENABLE_CLUSTERING, 776}; 777 778 779static int __devinit aac_probe_one(struct pci_dev *pdev, 780 const struct pci_device_id *id) 781{ 782 unsigned index = id->driver_data; 783 struct Scsi_Host *shost; 784 struct aac_dev *aac; 785 struct list_head *insert = &aac_devices; 786 int error = -ENODEV; 787 int unique_id = 0; 788 789 list_for_each_entry(aac, &aac_devices, entry) { 790 if (aac->id > unique_id) 791 break; 792 insert = &aac->entry; 793 unique_id++; 794 } 795 796 error = pci_enable_device(pdev); 797 if (error) 798 goto out; 799 800 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 801 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 802 goto out; 803 /* 804 * If the quirk31 bit is set, the adapter needs adapter 805 * to driver communication memory to be allocated below 2gig 806 */ 807 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 808 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) || 809 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL)) 810 goto out; 811 812 pci_set_master(pdev); 813 814 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 815 if (!shost) 816 goto out_disable_pdev; 817 818 shost->irq = pdev->irq; 819 shost->base = pci_resource_start(pdev, 0); 820 shost->unique_id = unique_id; 821 shost->max_cmd_len = 16; 822 823 aac = (struct aac_dev *)shost->hostdata; 824 aac->scsi_host_ptr = shost; 825 aac->pdev = pdev; 826 aac->name = aac_driver_template.name; 827 aac->id = shost->unique_id; 828 aac->cardtype = index; 829 INIT_LIST_HEAD(&aac->entry); 830 831 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 832 if (!aac->fibs) 833 goto out_free_host; 834 spin_lock_init(&aac->fib_lock); 835 836 /* 837 * Map in the registers from the adapter. 838 */ 839 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 840 if ((aac->regs.sa = ioremap( 841 (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE)) 842 == NULL) { 843 printk(KERN_WARNING "%s: unable to map adapter.\n", 844 AAC_DRIVERNAME); 845 goto out_free_fibs; 846 } 847 if ((*aac_drivers[index].init)(aac)) 848 goto out_unmap; 849 850 /* 851 * Start any kernel threads needed 852 */ 853 aac->thread_pid = kernel_thread((int (*)(void *))aac_command_thread, 854 aac, 0); 855 if (aac->thread_pid < 0) { 856 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 857 goto out_deinit; 858 } 859 860 /* 861 * If we had set a smaller DMA mask earlier, set it to 4gig 862 * now since the adapter can dma data to at least a 4gig 863 * address space. 864 */ 865 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 866 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 867 goto out_deinit; 868 869 aac->maximum_num_channels = aac_drivers[index].channels; 870 error = aac_get_adapter_info(aac); 871 if (error < 0) 872 goto out_deinit; 873 874 /* 875 * Lets override negotiations and drop the maximum SG limit to 34 876 */ 877 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 878 (aac->scsi_host_ptr->sg_tablesize > 34)) { 879 aac->scsi_host_ptr->sg_tablesize = 34; 880 aac->scsi_host_ptr->max_sectors 881 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 882 } 883 884 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 885 (aac->scsi_host_ptr->sg_tablesize > 17)) { 886 aac->scsi_host_ptr->sg_tablesize = 17; 887 aac->scsi_host_ptr->max_sectors 888 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 889 } 890 891 /* 892 * Firware printf works only with older firmware. 893 */ 894 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 895 aac->printf_enabled = 1; 896 else 897 aac->printf_enabled = 0; 898 899 /* 900 * max channel will be the physical channels plus 1 virtual channel 901 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 902 * physical channels are address by their actual physical number+1 903 */ 904 if (aac->nondasd_support == 1) 905 shost->max_channel = aac->maximum_num_channels + 1; 906 else 907 shost->max_channel = 1; 908 909 aac_get_config_status(aac); 910 aac_get_containers(aac); 911 list_add(&aac->entry, insert); 912 913 shost->max_id = aac->maximum_num_containers; 914 if (shost->max_id < aac->maximum_num_physicals) 915 shost->max_id = aac->maximum_num_physicals; 916 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 917 shost->max_id = MAXIMUM_NUM_CONTAINERS; 918 else 919 shost->this_id = shost->max_id; 920 921 /* 922 * dmb - we may need to move the setting of these parms somewhere else once 923 * we get a fib that can report the actual numbers 924 */ 925 shost->max_lun = AAC_MAX_LUN; 926 927 pci_set_drvdata(pdev, shost); 928 929 error = scsi_add_host(shost, &pdev->dev); 930 if (error) 931 goto out_deinit; 932 scsi_scan_host(shost); 933 934 return 0; 935 936 out_deinit: 937 kill_proc(aac->thread_pid, SIGKILL, 0); 938 wait_for_completion(&aac->aif_completion); 939 940 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 959static 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 966static 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 kill_proc(aac->thread_pid, SIGKILL, 0); 974 wait_for_completion(&aac->aif_completion); 975 976 aac_send_shutdown(aac); 977 aac_adapter_disable_int(aac); 978 aac_fib_map_free(aac); 979 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 980 aac->comm_phys); 981 kfree(aac->queues); 982 983 free_irq(pdev->irq, aac); 984 iounmap(aac->regs.sa); 985 986 kfree(aac->fibs); 987 kfree(aac->fsa_dev); 988 989 list_del(&aac->entry); 990 scsi_host_put(shost); 991 pci_disable_device(pdev); 992} 993 994static struct pci_driver aac_pci_driver = { 995 .name = AAC_DRIVERNAME, 996 .id_table = aac_pci_tbl, 997 .probe = aac_probe_one, 998 .remove = __devexit_p(aac_remove_one), 999 .shutdown = aac_shutdown, 1000}; 1001 1002static int __init aac_init(void) 1003{ 1004 int error; 1005 1006 printk(KERN_INFO "Adaptec %s driver (%s)\n", 1007 AAC_DRIVERNAME, aac_driver_version); 1008 1009 error = pci_register_driver(&aac_pci_driver); 1010 if (error < 0) 1011 return error; 1012 1013 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1014 if (aac_cfg_major < 0) { 1015 printk(KERN_WARNING 1016 "aacraid: unable to register \"aac\" device.\n"); 1017 } 1018 1019 return 0; 1020} 1021 1022static void __exit aac_exit(void) 1023{ 1024 unregister_chrdev(aac_cfg_major, "aac"); 1025 pci_unregister_driver(&aac_pci_driver); 1026} 1027 1028module_init(aac_init); 1029module_exit(aac_exit); 1030