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) 2000-2007 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 74 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 75 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 76 "Adaptec Advanced Raid Products, " 77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 78 MODULE_LICENSE("GPL"); 79 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 80 81 static LIST_HEAD(aac_devices); 82 static int aac_cfg_major = -1; 83 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 84 85 /* 86 * Because of the way Linux names scsi devices, the order in this table has 87 * become important. Check for on-board Raid first, add-in cards second. 88 * 89 * Note: The last field is used to index into aac_drivers below. 90 */ 91 static struct pci_device_id aac_pci_tbl[] = { 92 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 93 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 94 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 95 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 96 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 97 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 98 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 99 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 100 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 101 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 102 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 103 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 104 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 105 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 106 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 107 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 108 109 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 110 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 111 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 112 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 113 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 114 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 115 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 116 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 117 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 118 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 120 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 121 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 122 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 123 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 124 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 125 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 126 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 127 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 128 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 129 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 130 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 131 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 132 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 133 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 134 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 135 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 136 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 137 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 138 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 139 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 140 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 141 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 142 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 143 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 144 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 145 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 146 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 147 148 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 149 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 150 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 151 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 152 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 153 154 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 155 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 156 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 157 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 158 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 159 { 0,} 160 }; 161 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 162 163 /* 164 * dmb - For now we add the number of channels to this structure. 165 * In the future we should add a fib that reports the number of channels 166 * for the card. At that time we can remove the channels from here 167 */ 168 static struct aac_driver_ident aac_drivers[] = { 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 181 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 183 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 184 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 185 186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 188 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 189 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 190 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 191 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 193 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 194 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 195 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 196 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 197 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 198 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 199 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 200 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 201 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 202 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 203 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 204 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 208 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 214 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 215 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 216 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 217 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 221 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 222 223 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 224 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 225 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 226 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 227 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 228 229 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 230 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 231 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ 232 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 233 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK 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 */ 245 246 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 247 { 248 struct Scsi_Host *host = cmd->device->host; 249 struct aac_dev *dev = (struct aac_dev *)host->hostdata; 250 u32 count = 0; 251 cmd->scsi_done = done; 252 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 253 struct fib * fib = &dev->fibs[count]; 254 struct scsi_cmnd * command; 255 if (fib->hw_fib_va->header.XferState && 256 ((command = fib->callback_data)) && 257 (command == cmd) && 258 (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) 259 return 0; /* Already owned by Adapter */ 260 } 261 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 262 return (aac_scsi_cmd(cmd) ? FAILED : 0); 263 } 264 265 /** 266 * aac_info - Returns the host adapter name 267 * @shost: Scsi host to report on 268 * 269 * Returns a static string describing the device in question 270 */ 271 272 static const char *aac_info(struct Scsi_Host *shost) 273 { 274 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 275 return aac_drivers[dev->cardtype].name; 276 } 277 278 /** 279 * aac_get_driver_ident 280 * @devtype: index into lookup table 281 * 282 * Returns a pointer to the entry in the driver lookup table. 283 */ 284 285 struct aac_driver_ident* aac_get_driver_ident(int devtype) 286 { 287 return &aac_drivers[devtype]; 288 } 289 290 /** 291 * aac_biosparm - return BIOS parameters for disk 292 * @sdev: The scsi device corresponding to the disk 293 * @bdev: the block device corresponding to the disk 294 * @capacity: the sector capacity of the disk 295 * @geom: geometry block to fill in 296 * 297 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 298 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 299 * number of cylinders so as not to exceed drive capacity. In order for 300 * disks equal to or larger than 1 GB to be addressable by the BIOS 301 * without exceeding the BIOS limitation of 1024 cylinders, Extended 302 * Translation should be enabled. With Extended Translation enabled, 303 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 304 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 305 * are given a disk geometry of 255 heads and 63 sectors. However, if 306 * the BIOS detects that the Extended Translation setting does not match 307 * the geometry in the partition table, then the translation inferred 308 * from the partition table will be used by the BIOS, and a warning may 309 * be displayed. 310 */ 311 312 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 313 sector_t capacity, int *geom) 314 { 315 struct diskparm *param = (struct diskparm *)geom; 316 unsigned char *buf; 317 318 dprintk((KERN_DEBUG "aac_biosparm.\n")); 319 320 /* 321 * Assuming extended translation is enabled - #REVISIT# 322 */ 323 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 324 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 325 param->heads = 255; 326 param->sectors = 63; 327 } else { 328 param->heads = 128; 329 param->sectors = 32; 330 } 331 } else { 332 param->heads = 64; 333 param->sectors = 32; 334 } 335 336 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 337 338 /* 339 * Read the first 1024 bytes from the disk device, if the boot 340 * sector partition table is valid, search for a partition table 341 * entry whose end_head matches one of the standard geometry 342 * translations ( 64/32, 128/32, 255/63 ). 343 */ 344 buf = scsi_bios_ptable(bdev); 345 if (!buf) 346 return 0; 347 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 348 struct partition *first = (struct partition * )buf; 349 struct partition *entry = first; 350 int saved_cylinders = param->cylinders; 351 int num; 352 unsigned char end_head, end_sec; 353 354 for(num = 0; num < 4; num++) { 355 end_head = entry->end_head; 356 end_sec = entry->end_sector & 0x3f; 357 358 if(end_head == 63) { 359 param->heads = 64; 360 param->sectors = 32; 361 break; 362 } else if(end_head == 127) { 363 param->heads = 128; 364 param->sectors = 32; 365 break; 366 } else if(end_head == 254) { 367 param->heads = 255; 368 param->sectors = 63; 369 break; 370 } 371 entry++; 372 } 373 374 if (num == 4) { 375 end_head = first->end_head; 376 end_sec = first->end_sector & 0x3f; 377 } 378 379 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 380 if (num < 4 && end_sec == param->sectors) { 381 if (param->cylinders != saved_cylinders) 382 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 383 param->heads, param->sectors, num)); 384 } else if (end_head > 0 || end_sec > 0) { 385 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 386 end_head + 1, end_sec, num)); 387 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 388 param->heads, param->sectors)); 389 } 390 } 391 kfree(buf); 392 return 0; 393 } 394 395 /** 396 * aac_slave_configure - compute queue depths 397 * @sdev: SCSI device we are considering 398 * 399 * Selects queue depths for each target device based on the host adapter's 400 * total capacity and the queue depth supported by the target device. 401 * A queue depth of one automatically disables tagged queueing. 402 */ 403 404 static int aac_slave_configure(struct scsi_device *sdev) 405 { 406 if (sdev_channel(sdev) == CONTAINER_CHANNEL) { 407 sdev->skip_ms_page_8 = 1; 408 sdev->skip_ms_page_3f = 1; 409 } 410 if ((sdev->type == TYPE_DISK) && 411 (sdev_channel(sdev) != CONTAINER_CHANNEL)) { 412 if (expose_physicals == 0) 413 return -ENXIO; 414 if (expose_physicals < 0) { 415 struct aac_dev *aac = 416 (struct aac_dev *)sdev->host->hostdata; 417 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 418 sdev->no_uld_attach = 1; 419 } 420 } 421 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 422 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 423 struct scsi_device * dev; 424 struct Scsi_Host *host = sdev->host; 425 unsigned num_lsu = 0; 426 unsigned num_one = 0; 427 unsigned depth; 428 429 __shost_for_each_device(dev, host) { 430 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 431 (sdev_channel(dev) == CONTAINER_CHANNEL)) 432 ++num_lsu; 433 else 434 ++num_one; 435 } 436 if (num_lsu == 0) 437 ++num_lsu; 438 depth = (host->can_queue - num_one) / num_lsu; 439 if (depth > 256) 440 depth = 256; 441 else if (depth < 2) 442 depth = 2; 443 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 444 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 445 AAC_OPT_NEW_COMM)) 446 blk_queue_max_segment_size(sdev->request_queue, 65536); 447 } else 448 scsi_adjust_queue_depth(sdev, 0, 1); 449 450 return 0; 451 } 452 453 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 454 { 455 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 456 return aac_do_ioctl(dev, cmd, arg); 457 } 458 459 static int aac_eh_abort(struct scsi_cmnd* cmd) 460 { 461 struct scsi_device * dev = cmd->device; 462 struct Scsi_Host * host = dev->host; 463 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 464 int count; 465 int ret = FAILED; 466 467 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 468 AAC_DRIVERNAME, 469 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 470 switch (cmd->cmnd[0]) { 471 case SERVICE_ACTION_IN: 472 if (!(aac->raw_io_interface) || 473 !(aac->raw_io_64) || 474 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 475 break; 476 case INQUIRY: 477 case READ_CAPACITY: 478 case TEST_UNIT_READY: 479 /* Mark associated FIB to not complete, eh handler does this */ 480 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 481 struct fib * fib = &aac->fibs[count]; 482 if (fib->hw_fib_va->header.XferState && 483 (fib->callback_data == cmd)) { 484 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 485 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 486 ret = SUCCESS; 487 } 488 } 489 } 490 return ret; 491 } 492 493 /* 494 * aac_eh_reset - Reset command handling 495 * @scsi_cmd: SCSI command block causing the reset 496 * 497 */ 498 static int aac_eh_reset(struct scsi_cmnd* cmd) 499 { 500 struct scsi_device * dev = cmd->device; 501 struct Scsi_Host * host = dev->host; 502 struct scsi_cmnd * command; 503 int count; 504 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 505 unsigned long flags; 506 507 /* Mark the associated FIB to not complete, eh handler does this */ 508 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 509 struct fib * fib = &aac->fibs[count]; 510 if (fib->hw_fib_va->header.XferState && 511 (fib->callback_data == cmd)) { 512 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 513 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 514 } 515 } 516 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 517 AAC_DRIVERNAME); 518 519 if ((count = aac_check_health(aac))) 520 return count; 521 /* 522 * Wait for all commands to complete to this specific 523 * target (block maximum 60 seconds). 524 */ 525 for (count = 60; count; --count) { 526 int active = aac->in_reset; 527 528 if (active == 0) 529 __shost_for_each_device(dev, host) { 530 spin_lock_irqsave(&dev->list_lock, flags); 531 list_for_each_entry(command, &dev->cmd_list, list) { 532 if ((command != cmd) && 533 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 534 active++; 535 break; 536 } 537 } 538 spin_unlock_irqrestore(&dev->list_lock, flags); 539 if (active) 540 break; 541 542 } 543 /* 544 * We can exit If all the commands are complete 545 */ 546 if (active == 0) 547 return SUCCESS; 548 ssleep(1); 549 } 550 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 551 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 552 } 553 554 /** 555 * aac_cfg_open - open a configuration file 556 * @inode: inode being opened 557 * @file: file handle attached 558 * 559 * Called when the configuration device is opened. Does the needed 560 * set up on the handle and then returns 561 * 562 * Bugs: This needs extending to check a given adapter is present 563 * so we can support hot plugging, and to ref count adapters. 564 */ 565 566 static int aac_cfg_open(struct inode *inode, struct file *file) 567 { 568 struct aac_dev *aac; 569 unsigned minor_number = iminor(inode); 570 int err = -ENODEV; 571 572 list_for_each_entry(aac, &aac_devices, entry) { 573 if (aac->id == minor_number) { 574 file->private_data = aac; 575 err = 0; 576 break; 577 } 578 } 579 580 return err; 581 } 582 583 /** 584 * aac_cfg_ioctl - AAC configuration request 585 * @inode: inode of device 586 * @file: file handle 587 * @cmd: ioctl command code 588 * @arg: argument 589 * 590 * Handles a configuration ioctl. Currently this involves wrapping it 591 * up and feeding it into the nasty windowsalike glue layer. 592 * 593 * Bugs: Needs locking against parallel ioctls lower down 594 * Bugs: Needs to handle hot plugging 595 */ 596 597 static int aac_cfg_ioctl(struct inode *inode, struct file *file, 598 unsigned int cmd, unsigned long arg) 599 { 600 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 601 } 602 603 #ifdef CONFIG_COMPAT 604 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 605 { 606 long ret; 607 lock_kernel(); 608 switch (cmd) { 609 case FSACTL_MINIPORT_REV_CHECK: 610 case FSACTL_SENDFIB: 611 case FSACTL_OPEN_GET_ADAPTER_FIB: 612 case FSACTL_CLOSE_GET_ADAPTER_FIB: 613 case FSACTL_SEND_RAW_SRB: 614 case FSACTL_GET_PCI_INFO: 615 case FSACTL_QUERY_DISK: 616 case FSACTL_DELETE_DISK: 617 case FSACTL_FORCE_DELETE_DISK: 618 case FSACTL_GET_CONTAINERS: 619 case FSACTL_SEND_LARGE_FIB: 620 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 621 break; 622 623 case FSACTL_GET_NEXT_ADAPTER_FIB: { 624 struct fib_ioctl __user *f; 625 626 f = compat_alloc_user_space(sizeof(*f)); 627 ret = 0; 628 if (clear_user(f, sizeof(*f))) 629 ret = -EFAULT; 630 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 631 ret = -EFAULT; 632 if (!ret) 633 ret = aac_do_ioctl(dev, cmd, f); 634 break; 635 } 636 637 default: 638 ret = -ENOIOCTLCMD; 639 break; 640 } 641 unlock_kernel(); 642 return ret; 643 } 644 645 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 646 { 647 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 648 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 649 } 650 651 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 652 { 653 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 654 } 655 #endif 656 657 static ssize_t aac_show_model(struct class_device *class_dev, 658 char *buf) 659 { 660 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 661 int len; 662 663 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 664 char * cp = dev->supplement_adapter_info.AdapterTypeText; 665 while (*cp && *cp != ' ') 666 ++cp; 667 while (*cp == ' ') 668 ++cp; 669 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 670 } else 671 len = snprintf(buf, PAGE_SIZE, "%s\n", 672 aac_drivers[dev->cardtype].model); 673 return len; 674 } 675 676 static ssize_t aac_show_vendor(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; 681 682 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 683 char * cp = dev->supplement_adapter_info.AdapterTypeText; 684 while (*cp && *cp != ' ') 685 ++cp; 686 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 687 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 688 dev->supplement_adapter_info.AdapterTypeText); 689 } else 690 len = snprintf(buf, PAGE_SIZE, "%s\n", 691 aac_drivers[dev->cardtype].vname); 692 return len; 693 } 694 695 static ssize_t aac_show_kernel_version(struct class_device *class_dev, 696 char *buf) 697 { 698 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 699 int len, tmp; 700 701 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 702 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 703 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 704 le32_to_cpu(dev->adapter_info.kernelbuild)); 705 return len; 706 } 707 708 static ssize_t aac_show_monitor_version(struct class_device *class_dev, 709 char *buf) 710 { 711 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 712 int len, tmp; 713 714 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 715 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 716 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 717 le32_to_cpu(dev->adapter_info.monitorbuild)); 718 return len; 719 } 720 721 static ssize_t aac_show_bios_version(struct class_device *class_dev, 722 char *buf) 723 { 724 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 725 int len, tmp; 726 727 tmp = le32_to_cpu(dev->adapter_info.biosrev); 728 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 729 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 730 le32_to_cpu(dev->adapter_info.biosbuild)); 731 return len; 732 } 733 734 static ssize_t aac_show_serial_number(struct class_device *class_dev, 735 char *buf) 736 { 737 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 738 int len = 0; 739 740 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 741 len = snprintf(buf, PAGE_SIZE, "%x\n", 742 le32_to_cpu(dev->adapter_info.serial[0])); 743 return len; 744 } 745 746 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 747 { 748 return snprintf(buf, PAGE_SIZE, "%d\n", 749 class_to_shost(class_dev)->max_channel); 750 } 751 752 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 753 { 754 return snprintf(buf, PAGE_SIZE, "%d\n", 755 class_to_shost(class_dev)->max_id); 756 } 757 758 759 static struct class_device_attribute aac_model = { 760 .attr = { 761 .name = "model", 762 .mode = S_IRUGO, 763 }, 764 .show = aac_show_model, 765 }; 766 static struct class_device_attribute aac_vendor = { 767 .attr = { 768 .name = "vendor", 769 .mode = S_IRUGO, 770 }, 771 .show = aac_show_vendor, 772 }; 773 static struct class_device_attribute aac_kernel_version = { 774 .attr = { 775 .name = "hba_kernel_version", 776 .mode = S_IRUGO, 777 }, 778 .show = aac_show_kernel_version, 779 }; 780 static struct class_device_attribute aac_monitor_version = { 781 .attr = { 782 .name = "hba_monitor_version", 783 .mode = S_IRUGO, 784 }, 785 .show = aac_show_monitor_version, 786 }; 787 static struct class_device_attribute aac_bios_version = { 788 .attr = { 789 .name = "hba_bios_version", 790 .mode = S_IRUGO, 791 }, 792 .show = aac_show_bios_version, 793 }; 794 static struct class_device_attribute aac_serial_number = { 795 .attr = { 796 .name = "serial_number", 797 .mode = S_IRUGO, 798 }, 799 .show = aac_show_serial_number, 800 }; 801 static struct class_device_attribute aac_max_channel = { 802 .attr = { 803 .name = "max_channel", 804 .mode = S_IRUGO, 805 }, 806 .show = aac_show_max_channel, 807 }; 808 static struct class_device_attribute aac_max_id = { 809 .attr = { 810 .name = "max_id", 811 .mode = S_IRUGO, 812 }, 813 .show = aac_show_max_id, 814 }; 815 816 static struct class_device_attribute *aac_attrs[] = { 817 &aac_model, 818 &aac_vendor, 819 &aac_kernel_version, 820 &aac_monitor_version, 821 &aac_bios_version, 822 &aac_serial_number, 823 &aac_max_channel, 824 &aac_max_id, 825 NULL 826 }; 827 828 829 static const struct file_operations aac_cfg_fops = { 830 .owner = THIS_MODULE, 831 .ioctl = aac_cfg_ioctl, 832 #ifdef CONFIG_COMPAT 833 .compat_ioctl = aac_compat_cfg_ioctl, 834 #endif 835 .open = aac_cfg_open, 836 }; 837 838 static struct scsi_host_template aac_driver_template = { 839 .module = THIS_MODULE, 840 .name = "AAC", 841 .proc_name = AAC_DRIVERNAME, 842 .info = aac_info, 843 .ioctl = aac_ioctl, 844 #ifdef CONFIG_COMPAT 845 .compat_ioctl = aac_compat_ioctl, 846 #endif 847 .queuecommand = aac_queuecommand, 848 .bios_param = aac_biosparm, 849 .shost_attrs = aac_attrs, 850 .slave_configure = aac_slave_configure, 851 .eh_abort_handler = aac_eh_abort, 852 .eh_host_reset_handler = aac_eh_reset, 853 .can_queue = AAC_NUM_IO_FIB, 854 .this_id = MAXIMUM_NUM_CONTAINERS, 855 .sg_tablesize = 16, 856 .max_sectors = 128, 857 #if (AAC_NUM_IO_FIB > 256) 858 .cmd_per_lun = 256, 859 #else 860 .cmd_per_lun = AAC_NUM_IO_FIB, 861 #endif 862 .use_clustering = ENABLE_CLUSTERING, 863 .emulated = 1, 864 }; 865 866 static int __devinit aac_probe_one(struct pci_dev *pdev, 867 const struct pci_device_id *id) 868 { 869 unsigned index = id->driver_data; 870 struct Scsi_Host *shost; 871 struct aac_dev *aac; 872 struct list_head *insert = &aac_devices; 873 int error = -ENODEV; 874 int unique_id = 0; 875 876 list_for_each_entry(aac, &aac_devices, entry) { 877 if (aac->id > unique_id) 878 break; 879 insert = &aac->entry; 880 unique_id++; 881 } 882 883 error = pci_enable_device(pdev); 884 if (error) 885 goto out; 886 error = -ENODEV; 887 888 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 889 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 890 goto out_disable_pdev; 891 /* 892 * If the quirk31 bit is set, the adapter needs adapter 893 * to driver communication memory to be allocated below 2gig 894 */ 895 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 896 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 897 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 898 goto out_disable_pdev; 899 900 pci_set_master(pdev); 901 902 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 903 if (!shost) 904 goto out_disable_pdev; 905 906 shost->irq = pdev->irq; 907 shost->base = pci_resource_start(pdev, 0); 908 shost->unique_id = unique_id; 909 shost->max_cmd_len = 16; 910 911 aac = (struct aac_dev *)shost->hostdata; 912 aac->scsi_host_ptr = shost; 913 aac->pdev = pdev; 914 aac->name = aac_driver_template.name; 915 aac->id = shost->unique_id; 916 aac->cardtype = index; 917 INIT_LIST_HEAD(&aac->entry); 918 919 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 920 if (!aac->fibs) 921 goto out_free_host; 922 spin_lock_init(&aac->fib_lock); 923 924 /* 925 * Map in the registers from the adapter. 926 */ 927 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 928 if ((*aac_drivers[index].init)(aac)) 929 goto out_unmap; 930 931 /* 932 * Start any kernel threads needed 933 */ 934 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 935 if (IS_ERR(aac->thread)) { 936 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 937 error = PTR_ERR(aac->thread); 938 goto out_deinit; 939 } 940 941 /* 942 * If we had set a smaller DMA mask earlier, set it to 4gig 943 * now since the adapter can dma data to at least a 4gig 944 * address space. 945 */ 946 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 947 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 948 goto out_deinit; 949 950 aac->maximum_num_channels = aac_drivers[index].channels; 951 error = aac_get_adapter_info(aac); 952 if (error < 0) 953 goto out_deinit; 954 955 /* 956 * Lets override negotiations and drop the maximum SG limit to 34 957 */ 958 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 959 (aac->scsi_host_ptr->sg_tablesize > 34)) { 960 aac->scsi_host_ptr->sg_tablesize = 34; 961 aac->scsi_host_ptr->max_sectors 962 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 963 } 964 965 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 966 (aac->scsi_host_ptr->sg_tablesize > 17)) { 967 aac->scsi_host_ptr->sg_tablesize = 17; 968 aac->scsi_host_ptr->max_sectors 969 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 970 } 971 972 /* 973 * Firware printf works only with older firmware. 974 */ 975 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 976 aac->printf_enabled = 1; 977 else 978 aac->printf_enabled = 0; 979 980 /* 981 * max channel will be the physical channels plus 1 virtual channel 982 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 983 * physical channels are address by their actual physical number+1 984 */ 985 if ((aac->nondasd_support == 1) || expose_physicals) 986 shost->max_channel = aac->maximum_num_channels; 987 else 988 shost->max_channel = 0; 989 990 aac_get_config_status(aac, 0); 991 aac_get_containers(aac); 992 list_add(&aac->entry, insert); 993 994 shost->max_id = aac->maximum_num_containers; 995 if (shost->max_id < aac->maximum_num_physicals) 996 shost->max_id = aac->maximum_num_physicals; 997 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 998 shost->max_id = MAXIMUM_NUM_CONTAINERS; 999 else 1000 shost->this_id = shost->max_id; 1001 1002 /* 1003 * dmb - we may need to move the setting of these parms somewhere else once 1004 * we get a fib that can report the actual numbers 1005 */ 1006 shost->max_lun = AAC_MAX_LUN; 1007 1008 pci_set_drvdata(pdev, shost); 1009 1010 error = scsi_add_host(shost, &pdev->dev); 1011 if (error) 1012 goto out_deinit; 1013 scsi_scan_host(shost); 1014 1015 return 0; 1016 1017 out_deinit: 1018 kthread_stop(aac->thread); 1019 aac_send_shutdown(aac); 1020 aac_adapter_disable_int(aac); 1021 free_irq(pdev->irq, aac); 1022 out_unmap: 1023 aac_fib_map_free(aac); 1024 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 1025 kfree(aac->queues); 1026 aac_adapter_ioremap(aac, 0); 1027 kfree(aac->fibs); 1028 kfree(aac->fsa_dev); 1029 out_free_host: 1030 scsi_host_put(shost); 1031 out_disable_pdev: 1032 pci_disable_device(pdev); 1033 out: 1034 return error; 1035 } 1036 1037 static void aac_shutdown(struct pci_dev *dev) 1038 { 1039 struct Scsi_Host *shost = pci_get_drvdata(dev); 1040 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1041 aac_send_shutdown(aac); 1042 } 1043 1044 static void __devexit aac_remove_one(struct pci_dev *pdev) 1045 { 1046 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1047 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1048 1049 scsi_remove_host(shost); 1050 1051 kthread_stop(aac->thread); 1052 1053 aac_send_shutdown(aac); 1054 aac_adapter_disable_int(aac); 1055 aac_fib_map_free(aac); 1056 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1057 aac->comm_phys); 1058 kfree(aac->queues); 1059 1060 free_irq(pdev->irq, aac); 1061 aac_adapter_ioremap(aac, 0); 1062 1063 kfree(aac->fibs); 1064 kfree(aac->fsa_dev); 1065 1066 list_del(&aac->entry); 1067 scsi_host_put(shost); 1068 pci_disable_device(pdev); 1069 if (list_empty(&aac_devices)) { 1070 unregister_chrdev(aac_cfg_major, "aac"); 1071 aac_cfg_major = -1; 1072 } 1073 } 1074 1075 static struct pci_driver aac_pci_driver = { 1076 .name = AAC_DRIVERNAME, 1077 .id_table = aac_pci_tbl, 1078 .probe = aac_probe_one, 1079 .remove = __devexit_p(aac_remove_one), 1080 .shutdown = aac_shutdown, 1081 }; 1082 1083 static int __init aac_init(void) 1084 { 1085 int error; 1086 1087 printk(KERN_INFO "Adaptec %s driver (%s)\n", 1088 AAC_DRIVERNAME, aac_driver_version); 1089 1090 error = pci_register_driver(&aac_pci_driver); 1091 if (error < 0) 1092 return error; 1093 1094 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1095 if (aac_cfg_major < 0) { 1096 printk(KERN_WARNING 1097 "aacraid: unable to register \"aac\" device.\n"); 1098 } 1099 1100 return 0; 1101 } 1102 1103 static void __exit aac_exit(void) 1104 { 1105 if (aac_cfg_major > -1) 1106 unregister_chrdev(aac_cfg_major, "aac"); 1107 pci_unregister_driver(&aac_pci_driver); 1108 } 1109 1110 module_init(aac_init); 1111 module_exit(aac_exit); 1112