linit.c revision 8e9d58e723e29e8b04c09bd9badd81c1d8232f5f
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 31#include <linux/compat.h> 32#include <linux/blkdev.h> 33#include <linux/completion.h> 34#include <linux/init.h> 35#include <linux/interrupt.h> 36#include <linux/kernel.h> 37#include <linux/module.h> 38#include <linux/moduleparam.h> 39#include <linux/pci.h> 40#include <linux/slab.h> 41#include <linux/spinlock.h> 42#include <linux/dma-mapping.h> 43#include <linux/syscalls.h> 44#include <linux/delay.h> 45#include <linux/smp_lock.h> 46#include <linux/kthread.h> 47#include <asm/semaphore.h> 48 49#include <scsi/scsi.h> 50#include <scsi/scsi_cmnd.h> 51#include <scsi/scsi_device.h> 52#include <scsi/scsi_host.h> 53#include <scsi/scsi_tcq.h> 54#include <scsi/scsicam.h> 55#include <scsi/scsi_eh.h> 56 57#include "aacraid.h" 58 59#define AAC_DRIVER_VERSION "1.1-5" 60#ifndef AAC_DRIVER_BRANCH 61#define AAC_DRIVER_BRANCH "" 62#endif 63#define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__ 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 " " AAC_DRIVER_BUILD_DATE 72#endif 73 74MODULE_AUTHOR("Red Hat Inc and Adaptec"); 75MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 76 "Adaptec Advanced Raid Products, " 77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 78MODULE_LICENSE("GPL"); 79MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 80 81static LIST_HEAD(aac_devices); 82static int aac_cfg_major = -1; 83char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 84 85extern int expose_physicals; 86 87/* 88 * Because of the way Linux names scsi devices, the order in this table has 89 * become important. Check for on-board Raid first, add-in cards second. 90 * 91 * Note: The last field is used to index into aac_drivers below. 92 */ 93static struct pci_device_id aac_pci_tbl[] = { 94 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 95 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 96 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 97 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 98 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 99 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 100 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 101 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 102 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 103 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 104 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 105 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 106 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 107 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 108 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 109 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 110 111 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 112 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 113 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 114 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 115 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 116 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 117 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 118 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 119 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 127 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 128 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 129 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 130 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 131 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 132 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 133 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 134 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 135 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 136 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 137 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 138 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 139 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 141 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 142 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 143 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 144 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 149 150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 155 156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 160 { 0,} 161}; 162MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 163 164/* 165 * dmb - For now we add the number of channels to this structure. 166 * In the future we should add a fib that reports the number of channels 167 * for the card. At that time we can remove the channels from here 168 */ 169static struct aac_driver_ident aac_drivers[] = { 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 181 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 184 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 185 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 186 187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 188 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 189 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 190 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 191 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 192 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 193 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 194 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 195 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 196 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 197 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 198 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 199 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 200 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 201 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 202 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 203 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 204 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 205 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 207 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 209 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 214 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 216 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 217 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 218 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 221 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 222 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 223 224 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 225 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 226 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 227 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 228 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 229 230 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 231 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 232 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ 233 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */ 234}; 235 236/** 237 * aac_queuecommand - queue a SCSI command 238 * @cmd: SCSI command to queue 239 * @done: Function to call on command completion 240 * 241 * Queues a command for execution by the associated Host Adapter. 242 * 243 * TODO: unify with aac_scsi_cmd(). 244 */ 245 246static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 247{ 248 cmd->scsi_done = done; 249 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 250 return (aac_scsi_cmd(cmd) ? FAILED : 0); 251} 252 253/** 254 * aac_info - Returns the host adapter name 255 * @shost: Scsi host to report on 256 * 257 * Returns a static string describing the device in question 258 */ 259 260static const char *aac_info(struct Scsi_Host *shost) 261{ 262 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 263 return aac_drivers[dev->cardtype].name; 264} 265 266/** 267 * aac_get_driver_ident 268 * @devtype: index into lookup table 269 * 270 * Returns a pointer to the entry in the driver lookup table. 271 */ 272 273struct aac_driver_ident* aac_get_driver_ident(int devtype) 274{ 275 return &aac_drivers[devtype]; 276} 277 278/** 279 * aac_biosparm - return BIOS parameters for disk 280 * @sdev: The scsi device corresponding to the disk 281 * @bdev: the block device corresponding to the disk 282 * @capacity: the sector capacity of the disk 283 * @geom: geometry block to fill in 284 * 285 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 286 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 287 * number of cylinders so as not to exceed drive capacity. In order for 288 * disks equal to or larger than 1 GB to be addressable by the BIOS 289 * without exceeding the BIOS limitation of 1024 cylinders, Extended 290 * Translation should be enabled. With Extended Translation enabled, 291 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 292 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 293 * are given a disk geometry of 255 heads and 63 sectors. However, if 294 * the BIOS detects that the Extended Translation setting does not match 295 * the geometry in the partition table, then the translation inferred 296 * from the partition table will be used by the BIOS, and a warning may 297 * be displayed. 298 */ 299 300static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 301 sector_t capacity, int *geom) 302{ 303 struct diskparm *param = (struct diskparm *)geom; 304 unsigned char *buf; 305 306 dprintk((KERN_DEBUG "aac_biosparm.\n")); 307 308 /* 309 * Assuming extended translation is enabled - #REVISIT# 310 */ 311 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 312 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 313 param->heads = 255; 314 param->sectors = 63; 315 } else { 316 param->heads = 128; 317 param->sectors = 32; 318 } 319 } else { 320 param->heads = 64; 321 param->sectors = 32; 322 } 323 324 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 325 326 /* 327 * Read the first 1024 bytes from the disk device, if the boot 328 * sector partition table is valid, search for a partition table 329 * entry whose end_head matches one of the standard geometry 330 * translations ( 64/32, 128/32, 255/63 ). 331 */ 332 buf = scsi_bios_ptable(bdev); 333 if (!buf) 334 return 0; 335 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 336 struct partition *first = (struct partition * )buf; 337 struct partition *entry = first; 338 int saved_cylinders = param->cylinders; 339 int num; 340 unsigned char end_head, end_sec; 341 342 for(num = 0; num < 4; num++) { 343 end_head = entry->end_head; 344 end_sec = entry->end_sector & 0x3f; 345 346 if(end_head == 63) { 347 param->heads = 64; 348 param->sectors = 32; 349 break; 350 } else if(end_head == 127) { 351 param->heads = 128; 352 param->sectors = 32; 353 break; 354 } else if(end_head == 254) { 355 param->heads = 255; 356 param->sectors = 63; 357 break; 358 } 359 entry++; 360 } 361 362 if (num == 4) { 363 end_head = first->end_head; 364 end_sec = first->end_sector & 0x3f; 365 } 366 367 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 368 if (num < 4 && end_sec == param->sectors) { 369 if (param->cylinders != saved_cylinders) 370 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 371 param->heads, param->sectors, num)); 372 } else if (end_head > 0 || end_sec > 0) { 373 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 374 end_head + 1, end_sec, num)); 375 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 376 param->heads, param->sectors)); 377 } 378 } 379 kfree(buf); 380 return 0; 381} 382 383/** 384 * aac_slave_configure - compute queue depths 385 * @sdev: SCSI device we are considering 386 * 387 * Selects queue depths for each target device based on the host adapter's 388 * total capacity and the queue depth supported by the target device. 389 * A queue depth of one automatically disables tagged queueing. 390 */ 391 392static int aac_slave_configure(struct scsi_device *sdev) 393{ 394 if (sdev_channel(sdev) == CONTAINER_CHANNEL) { 395 sdev->skip_ms_page_8 = 1; 396 sdev->skip_ms_page_3f = 1; 397 } 398 if ((sdev->type == TYPE_DISK) && 399 !expose_physicals && 400 (sdev_channel(sdev) != CONTAINER_CHANNEL)) { 401 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 402 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 403 sdev->no_uld_attach = 1; 404 } 405 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 406 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 407 struct scsi_device * dev; 408 struct Scsi_Host *host = sdev->host; 409 unsigned num_lsu = 0; 410 unsigned num_one = 0; 411 unsigned depth; 412 413 __shost_for_each_device(dev, host) { 414 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 415 (sdev_channel(dev) == CONTAINER_CHANNEL)) 416 ++num_lsu; 417 else 418 ++num_one; 419 } 420 if (num_lsu == 0) 421 ++num_lsu; 422 depth = (host->can_queue - num_one) / num_lsu; 423 if (depth > 256) 424 depth = 256; 425 else if (depth < 2) 426 depth = 2; 427 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 428 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 429 AAC_OPT_NEW_COMM)) 430 blk_queue_max_segment_size(sdev->request_queue, 65536); 431 } else 432 scsi_adjust_queue_depth(sdev, 0, 1); 433 434 return 0; 435} 436 437static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 438{ 439 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 440 return aac_do_ioctl(dev, cmd, arg); 441} 442 443/* 444 * aac_eh_reset - Reset command handling 445 * @scsi_cmd: SCSI command block causing the reset 446 * 447 */ 448static int aac_eh_reset(struct scsi_cmnd* cmd) 449{ 450 struct scsi_device * dev = cmd->device; 451 struct Scsi_Host * host = dev->host; 452 struct scsi_cmnd * command; 453 int count; 454 struct aac_dev * aac; 455 unsigned long flags; 456 457 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 458 AAC_DRIVERNAME); 459 aac = (struct aac_dev *)host->hostdata; 460 461 if ((count = aac_check_health(aac))) 462 return count; 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 = aac->in_reset; 469 470 if (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 != cmd) && 475 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 476 active++; 477 break; 478 } 479 } 480 spin_unlock_irqrestore(&dev->list_lock, flags); 481 if (active) 482 break; 483 484 } 485 /* 486 * We can exit If all the commands are complete 487 */ 488 if (active == 0) 489 return SUCCESS; 490 ssleep(1); 491 } 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))) 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, f); 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 688static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 689{ 690 return snprintf(buf, PAGE_SIZE, "%d\n", 691 class_to_shost(class_dev)->max_channel); 692} 693 694static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 695{ 696 return snprintf(buf, PAGE_SIZE, "%d\n", 697 class_to_shost(class_dev)->max_id); 698} 699 700 701static struct class_device_attribute aac_model = { 702 .attr = { 703 .name = "model", 704 .mode = S_IRUGO, 705 }, 706 .show = aac_show_model, 707}; 708static struct class_device_attribute aac_vendor = { 709 .attr = { 710 .name = "vendor", 711 .mode = S_IRUGO, 712 }, 713 .show = aac_show_vendor, 714}; 715static struct class_device_attribute aac_kernel_version = { 716 .attr = { 717 .name = "hba_kernel_version", 718 .mode = S_IRUGO, 719 }, 720 .show = aac_show_kernel_version, 721}; 722static struct class_device_attribute aac_monitor_version = { 723 .attr = { 724 .name = "hba_monitor_version", 725 .mode = S_IRUGO, 726 }, 727 .show = aac_show_monitor_version, 728}; 729static struct class_device_attribute aac_bios_version = { 730 .attr = { 731 .name = "hba_bios_version", 732 .mode = S_IRUGO, 733 }, 734 .show = aac_show_bios_version, 735}; 736static struct class_device_attribute aac_serial_number = { 737 .attr = { 738 .name = "serial_number", 739 .mode = S_IRUGO, 740 }, 741 .show = aac_show_serial_number, 742}; 743static struct class_device_attribute aac_max_channel = { 744 .attr = { 745 .name = "max_channel", 746 .mode = S_IRUGO, 747 }, 748 .show = aac_show_max_channel, 749}; 750static struct class_device_attribute aac_max_id = { 751 .attr = { 752 .name = "max_id", 753 .mode = S_IRUGO, 754 }, 755 .show = aac_show_max_id, 756}; 757 758static struct class_device_attribute *aac_attrs[] = { 759 &aac_model, 760 &aac_vendor, 761 &aac_kernel_version, 762 &aac_monitor_version, 763 &aac_bios_version, 764 &aac_serial_number, 765 &aac_max_channel, 766 &aac_max_id, 767 NULL 768}; 769 770 771static struct file_operations aac_cfg_fops = { 772 .owner = THIS_MODULE, 773 .ioctl = aac_cfg_ioctl, 774#ifdef CONFIG_COMPAT 775 .compat_ioctl = aac_compat_cfg_ioctl, 776#endif 777 .open = aac_cfg_open, 778}; 779 780static struct scsi_host_template aac_driver_template = { 781 .module = THIS_MODULE, 782 .name = "AAC", 783 .proc_name = AAC_DRIVERNAME, 784 .info = aac_info, 785 .ioctl = aac_ioctl, 786#ifdef CONFIG_COMPAT 787 .compat_ioctl = aac_compat_ioctl, 788#endif 789 .queuecommand = aac_queuecommand, 790 .bios_param = aac_biosparm, 791 .shost_attrs = aac_attrs, 792 .slave_configure = aac_slave_configure, 793 .eh_host_reset_handler = aac_eh_reset, 794 .can_queue = AAC_NUM_IO_FIB, 795 .this_id = MAXIMUM_NUM_CONTAINERS, 796 .sg_tablesize = 16, 797 .max_sectors = 128, 798#if (AAC_NUM_IO_FIB > 256) 799 .cmd_per_lun = 256, 800#else 801 .cmd_per_lun = AAC_NUM_IO_FIB, 802#endif 803 .use_clustering = ENABLE_CLUSTERING, 804 .emulated = 1, 805}; 806 807 808static int __devinit aac_probe_one(struct pci_dev *pdev, 809 const struct pci_device_id *id) 810{ 811 unsigned index = id->driver_data; 812 struct Scsi_Host *shost; 813 struct aac_dev *aac; 814 struct list_head *insert = &aac_devices; 815 int error = -ENODEV; 816 int unique_id = 0; 817 818 list_for_each_entry(aac, &aac_devices, entry) { 819 if (aac->id > unique_id) 820 break; 821 insert = &aac->entry; 822 unique_id++; 823 } 824 825 error = pci_enable_device(pdev); 826 if (error) 827 goto out; 828 error = -ENODEV; 829 830 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 831 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 832 goto out_disable_pdev; 833 /* 834 * If the quirk31 bit is set, the adapter needs adapter 835 * to driver communication memory to be allocated below 2gig 836 */ 837 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 838 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 839 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 840 goto out_disable_pdev; 841 842 pci_set_master(pdev); 843 844 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 845 if (!shost) 846 goto out_disable_pdev; 847 848 shost->irq = pdev->irq; 849 shost->base = pci_resource_start(pdev, 0); 850 shost->unique_id = unique_id; 851 shost->max_cmd_len = 16; 852 853 aac = (struct aac_dev *)shost->hostdata; 854 aac->scsi_host_ptr = shost; 855 aac->pdev = pdev; 856 aac->name = aac_driver_template.name; 857 aac->id = shost->unique_id; 858 aac->cardtype = index; 859 INIT_LIST_HEAD(&aac->entry); 860 861 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 862 if (!aac->fibs) 863 goto out_free_host; 864 spin_lock_init(&aac->fib_lock); 865 866 /* 867 * Map in the registers from the adapter. 868 */ 869 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 870 if ((*aac_drivers[index].init)(aac)) 871 goto out_unmap; 872 873 /* 874 * Start any kernel threads needed 875 */ 876 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 877 if (IS_ERR(aac->thread)) { 878 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 879 error = PTR_ERR(aac->thread); 880 goto out_deinit; 881 } 882 883 /* 884 * If we had set a smaller DMA mask earlier, set it to 4gig 885 * now since the adapter can dma data to at least a 4gig 886 * address space. 887 */ 888 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 889 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 890 goto out_deinit; 891 892 aac->maximum_num_channels = aac_drivers[index].channels; 893 error = aac_get_adapter_info(aac); 894 if (error < 0) 895 goto out_deinit; 896 897 /* 898 * Lets override negotiations and drop the maximum SG limit to 34 899 */ 900 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 901 (aac->scsi_host_ptr->sg_tablesize > 34)) { 902 aac->scsi_host_ptr->sg_tablesize = 34; 903 aac->scsi_host_ptr->max_sectors 904 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 905 } 906 907 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 908 (aac->scsi_host_ptr->sg_tablesize > 17)) { 909 aac->scsi_host_ptr->sg_tablesize = 17; 910 aac->scsi_host_ptr->max_sectors 911 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 912 } 913 914 /* 915 * Firware printf works only with older firmware. 916 */ 917 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 918 aac->printf_enabled = 1; 919 else 920 aac->printf_enabled = 0; 921 922 /* 923 * max channel will be the physical channels plus 1 virtual channel 924 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 925 * physical channels are address by their actual physical number+1 926 */ 927 if ((aac->nondasd_support == 1) || expose_physicals) 928 shost->max_channel = aac->maximum_num_channels; 929 else 930 shost->max_channel = 0; 931 932 aac_get_config_status(aac, 0); 933 aac_get_containers(aac); 934 list_add(&aac->entry, insert); 935 936 shost->max_id = aac->maximum_num_containers; 937 if (shost->max_id < aac->maximum_num_physicals) 938 shost->max_id = aac->maximum_num_physicals; 939 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 940 shost->max_id = MAXIMUM_NUM_CONTAINERS; 941 else 942 shost->this_id = shost->max_id; 943 944 /* 945 * dmb - we may need to move the setting of these parms somewhere else once 946 * we get a fib that can report the actual numbers 947 */ 948 shost->max_lun = AAC_MAX_LUN; 949 950 pci_set_drvdata(pdev, shost); 951 952 error = scsi_add_host(shost, &pdev->dev); 953 if (error) 954 goto out_deinit; 955 scsi_scan_host(shost); 956 957 return 0; 958 959 out_deinit: 960 kthread_stop(aac->thread); 961 aac_send_shutdown(aac); 962 aac_adapter_disable_int(aac); 963 free_irq(pdev->irq, aac); 964 out_unmap: 965 aac_fib_map_free(aac); 966 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 967 kfree(aac->queues); 968 aac_adapter_ioremap(aac, 0); 969 kfree(aac->fibs); 970 kfree(aac->fsa_dev); 971 out_free_host: 972 scsi_host_put(shost); 973 out_disable_pdev: 974 pci_disable_device(pdev); 975 out: 976 return error; 977} 978 979static void aac_shutdown(struct pci_dev *dev) 980{ 981 struct Scsi_Host *shost = pci_get_drvdata(dev); 982 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 983 aac_send_shutdown(aac); 984} 985 986static void __devexit aac_remove_one(struct pci_dev *pdev) 987{ 988 struct Scsi_Host *shost = pci_get_drvdata(pdev); 989 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 990 991 scsi_remove_host(shost); 992 993 kthread_stop(aac->thread); 994 995 aac_send_shutdown(aac); 996 aac_adapter_disable_int(aac); 997 aac_fib_map_free(aac); 998 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 999 aac->comm_phys); 1000 kfree(aac->queues); 1001 1002 free_irq(pdev->irq, aac); 1003 aac_adapter_ioremap(aac, 0); 1004 1005 kfree(aac->fibs); 1006 kfree(aac->fsa_dev); 1007 1008 list_del(&aac->entry); 1009 scsi_host_put(shost); 1010 pci_disable_device(pdev); 1011 if (list_empty(&aac_devices)) { 1012 unregister_chrdev(aac_cfg_major, "aac"); 1013 aac_cfg_major = -1; 1014 } 1015} 1016 1017static struct pci_driver aac_pci_driver = { 1018 .name = AAC_DRIVERNAME, 1019 .id_table = aac_pci_tbl, 1020 .probe = aac_probe_one, 1021 .remove = __devexit_p(aac_remove_one), 1022 .shutdown = aac_shutdown, 1023}; 1024 1025static int __init aac_init(void) 1026{ 1027 int error; 1028 1029 printk(KERN_INFO "Adaptec %s driver (%s)\n", 1030 AAC_DRIVERNAME, aac_driver_version); 1031 1032 error = pci_register_driver(&aac_pci_driver); 1033 if (error < 0) 1034 return error; 1035 1036 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1037 if (aac_cfg_major < 0) { 1038 printk(KERN_WARNING 1039 "aacraid: unable to register \"aac\" device.\n"); 1040 } 1041 1042 return 0; 1043} 1044 1045static void __exit aac_exit(void) 1046{ 1047 if (aac_cfg_major > -1) 1048 unregister_chrdev(aac_cfg_major, "aac"); 1049 pci_unregister_driver(&aac_pci_driver); 1050} 1051 1052module_init(aac_init); 1053module_exit(aac_exit); 1054