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 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 }, /* ICP9024R0 (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (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 }, /* ICP5085AU (Hurricane) */ 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-4005SAS */ 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-4000SAS (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-4810SAS (Hurricane */ 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 { 0,} 159 }; 160 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 161 162 /* 163 * dmb - For now we add the number of channels to this structure. 164 * In the future we should add a fib that reports the number of channels 165 * for the card. At that time we can remove the channels from here 166 */ 167 static struct aac_driver_ident aac_drivers[] = { 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 181 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 182 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 183 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 184 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 188 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 189 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 190 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 193 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 194 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */ 195 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */ 196 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 197 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 198 { aac_rkt_init, "aacraid", "ICP ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */ 199 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 200 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 201 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 202 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 203 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 206 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 207 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */ 214 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 215 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 216 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 220 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */ 221 222 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 223 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 224 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 225 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 226 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 227 228 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 229 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 230 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ 231 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */ 232 }; 233 234 /** 235 * aac_queuecommand - queue a SCSI command 236 * @cmd: SCSI command to queue 237 * @done: Function to call on command completion 238 * 239 * Queues a command for execution by the associated Host Adapter. 240 * 241 * TODO: unify with aac_scsi_cmd(). 242 */ 243 244 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 245 { 246 cmd->scsi_done = done; 247 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 248 return (aac_scsi_cmd(cmd) ? FAILED : 0); 249 } 250 251 /** 252 * aac_info - Returns the host adapter name 253 * @shost: Scsi host to report on 254 * 255 * Returns a static string describing the device in question 256 */ 257 258 static const char *aac_info(struct Scsi_Host *shost) 259 { 260 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 261 return aac_drivers[dev->cardtype].name; 262 } 263 264 /** 265 * aac_get_driver_ident 266 * @devtype: index into lookup table 267 * 268 * Returns a pointer to the entry in the driver lookup table. 269 */ 270 271 struct aac_driver_ident* aac_get_driver_ident(int devtype) 272 { 273 return &aac_drivers[devtype]; 274 } 275 276 /** 277 * aac_biosparm - return BIOS parameters for disk 278 * @sdev: The scsi device corresponding to the disk 279 * @bdev: the block device corresponding to the disk 280 * @capacity: the sector capacity of the disk 281 * @geom: geometry block to fill in 282 * 283 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 284 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 285 * number of cylinders so as not to exceed drive capacity. In order for 286 * disks equal to or larger than 1 GB to be addressable by the BIOS 287 * without exceeding the BIOS limitation of 1024 cylinders, Extended 288 * Translation should be enabled. With Extended Translation enabled, 289 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 290 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 291 * are given a disk geometry of 255 heads and 63 sectors. However, if 292 * the BIOS detects that the Extended Translation setting does not match 293 * the geometry in the partition table, then the translation inferred 294 * from the partition table will be used by the BIOS, and a warning may 295 * be displayed. 296 */ 297 298 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 299 sector_t capacity, int *geom) 300 { 301 struct diskparm *param = (struct diskparm *)geom; 302 unsigned char *buf; 303 304 dprintk((KERN_DEBUG "aac_biosparm.\n")); 305 306 /* 307 * Assuming extended translation is enabled - #REVISIT# 308 */ 309 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 310 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 311 param->heads = 255; 312 param->sectors = 63; 313 } else { 314 param->heads = 128; 315 param->sectors = 32; 316 } 317 } else { 318 param->heads = 64; 319 param->sectors = 32; 320 } 321 322 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 323 324 /* 325 * Read the first 1024 bytes from the disk device, if the boot 326 * sector partition table is valid, search for a partition table 327 * entry whose end_head matches one of the standard geometry 328 * translations ( 64/32, 128/32, 255/63 ). 329 */ 330 buf = scsi_bios_ptable(bdev); 331 if (!buf) 332 return 0; 333 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 334 struct partition *first = (struct partition * )buf; 335 struct partition *entry = first; 336 int saved_cylinders = param->cylinders; 337 int num; 338 unsigned char end_head, end_sec; 339 340 for(num = 0; num < 4; num++) { 341 end_head = entry->end_head; 342 end_sec = entry->end_sector & 0x3f; 343 344 if(end_head == 63) { 345 param->heads = 64; 346 param->sectors = 32; 347 break; 348 } else if(end_head == 127) { 349 param->heads = 128; 350 param->sectors = 32; 351 break; 352 } else if(end_head == 254) { 353 param->heads = 255; 354 param->sectors = 63; 355 break; 356 } 357 entry++; 358 } 359 360 if (num == 4) { 361 end_head = first->end_head; 362 end_sec = first->end_sector & 0x3f; 363 } 364 365 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 366 if (num < 4 && end_sec == param->sectors) { 367 if (param->cylinders != saved_cylinders) 368 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 369 param->heads, param->sectors, num)); 370 } else if (end_head > 0 || end_sec > 0) { 371 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 372 end_head + 1, end_sec, num)); 373 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 374 param->heads, param->sectors)); 375 } 376 } 377 kfree(buf); 378 return 0; 379 } 380 381 /** 382 * aac_slave_configure - compute queue depths 383 * @sdev: SCSI device we are considering 384 * 385 * Selects queue depths for each target device based on the host adapter's 386 * total capacity and the queue depth supported by the target device. 387 * A queue depth of one automatically disables tagged queueing. 388 */ 389 390 static int aac_slave_configure(struct scsi_device *sdev) 391 { 392 if (sdev_channel(sdev) == CONTAINER_CHANNEL) { 393 sdev->skip_ms_page_8 = 1; 394 sdev->skip_ms_page_3f = 1; 395 } 396 if ((sdev->type == TYPE_DISK) && 397 (sdev_channel(sdev) != CONTAINER_CHANNEL)) { 398 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 399 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 400 sdev->no_uld_attach = 1; 401 } 402 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 403 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 404 struct scsi_device * dev; 405 struct Scsi_Host *host = sdev->host; 406 unsigned num_lsu = 0; 407 unsigned num_one = 0; 408 unsigned depth; 409 410 __shost_for_each_device(dev, host) { 411 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 412 (sdev_channel(dev) == CONTAINER_CHANNEL)) 413 ++num_lsu; 414 else 415 ++num_one; 416 } 417 if (num_lsu == 0) 418 ++num_lsu; 419 depth = (host->can_queue - num_one) / num_lsu; 420 if (depth > 256) 421 depth = 256; 422 else if (depth < 2) 423 depth = 2; 424 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 425 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 426 AAC_OPT_NEW_COMM)) 427 blk_queue_max_segment_size(sdev->request_queue, 65536); 428 } else 429 scsi_adjust_queue_depth(sdev, 0, 1); 430 431 return 0; 432 } 433 434 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 435 { 436 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 437 return aac_do_ioctl(dev, cmd, arg); 438 } 439 440 /* 441 * aac_eh_reset - Reset command handling 442 * @scsi_cmd: SCSI command block causing the reset 443 * 444 */ 445 static int aac_eh_reset(struct scsi_cmnd* cmd) 446 { 447 struct scsi_device * dev = cmd->device; 448 struct Scsi_Host * host = dev->host; 449 struct scsi_cmnd * command; 450 int count; 451 struct aac_dev * aac; 452 unsigned long flags; 453 454 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 455 AAC_DRIVERNAME); 456 457 458 spin_lock_irq(host->host_lock); 459 460 aac = (struct aac_dev *)host->hostdata; 461 if (aac_adapter_check_health(aac)) { 462 printk(KERN_ERR "%s: Host adapter appears dead\n", 463 AAC_DRIVERNAME); 464 spin_unlock_irq(host->host_lock); 465 return -ENODEV; 466 } 467 /* 468 * Wait for all commands to complete to this specific 469 * target (block maximum 60 seconds). 470 */ 471 for (count = 60; count; --count) { 472 int active = 0; 473 __shost_for_each_device(dev, host) { 474 spin_lock_irqsave(&dev->list_lock, flags); 475 list_for_each_entry(command, &dev->cmd_list, list) { 476 if ((command != cmd) && 477 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 478 active++; 479 break; 480 } 481 } 482 spin_unlock_irqrestore(&dev->list_lock, flags); 483 if (active) 484 break; 485 486 } 487 /* 488 * We can exit If all the commands are complete 489 */ 490 spin_unlock_irq(host->host_lock); 491 if (active == 0) 492 return SUCCESS; 493 ssleep(1); 494 spin_lock_irq(host->host_lock); 495 } 496 spin_unlock_irq(host->host_lock); 497 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 498 return -ETIMEDOUT; 499 } 500 501 /** 502 * aac_cfg_open - open a configuration file 503 * @inode: inode being opened 504 * @file: file handle attached 505 * 506 * Called when the configuration device is opened. Does the needed 507 * set up on the handle and then returns 508 * 509 * Bugs: This needs extending to check a given adapter is present 510 * so we can support hot plugging, and to ref count adapters. 511 */ 512 513 static int aac_cfg_open(struct inode *inode, struct file *file) 514 { 515 struct aac_dev *aac; 516 unsigned minor_number = iminor(inode); 517 int err = -ENODEV; 518 519 list_for_each_entry(aac, &aac_devices, entry) { 520 if (aac->id == minor_number) { 521 file->private_data = aac; 522 err = 0; 523 break; 524 } 525 } 526 527 return err; 528 } 529 530 /** 531 * aac_cfg_ioctl - AAC configuration request 532 * @inode: inode of device 533 * @file: file handle 534 * @cmd: ioctl command code 535 * @arg: argument 536 * 537 * Handles a configuration ioctl. Currently this involves wrapping it 538 * up and feeding it into the nasty windowsalike glue layer. 539 * 540 * Bugs: Needs locking against parallel ioctls lower down 541 * Bugs: Needs to handle hot plugging 542 */ 543 544 static int aac_cfg_ioctl(struct inode *inode, struct file *file, 545 unsigned int cmd, unsigned long arg) 546 { 547 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 548 } 549 550 #ifdef CONFIG_COMPAT 551 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 552 { 553 long ret; 554 lock_kernel(); 555 switch (cmd) { 556 case FSACTL_MINIPORT_REV_CHECK: 557 case FSACTL_SENDFIB: 558 case FSACTL_OPEN_GET_ADAPTER_FIB: 559 case FSACTL_CLOSE_GET_ADAPTER_FIB: 560 case FSACTL_SEND_RAW_SRB: 561 case FSACTL_GET_PCI_INFO: 562 case FSACTL_QUERY_DISK: 563 case FSACTL_DELETE_DISK: 564 case FSACTL_FORCE_DELETE_DISK: 565 case FSACTL_GET_CONTAINERS: 566 case FSACTL_SEND_LARGE_FIB: 567 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 568 break; 569 570 case FSACTL_GET_NEXT_ADAPTER_FIB: { 571 struct fib_ioctl __user *f; 572 573 f = compat_alloc_user_space(sizeof(*f)); 574 ret = 0; 575 if (clear_user(f, sizeof(*f)) != sizeof(*f)) 576 ret = -EFAULT; 577 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 578 ret = -EFAULT; 579 if (!ret) 580 ret = aac_do_ioctl(dev, cmd, f); 581 break; 582 } 583 584 default: 585 ret = -ENOIOCTLCMD; 586 break; 587 } 588 unlock_kernel(); 589 return ret; 590 } 591 592 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 593 { 594 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 595 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 596 } 597 598 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 599 { 600 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 601 } 602 #endif 603 604 static ssize_t aac_show_model(struct class_device *class_dev, 605 char *buf) 606 { 607 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 608 int len; 609 610 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 611 char * cp = dev->supplement_adapter_info.AdapterTypeText; 612 while (*cp && *cp != ' ') 613 ++cp; 614 while (*cp == ' ') 615 ++cp; 616 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 617 } else 618 len = snprintf(buf, PAGE_SIZE, "%s\n", 619 aac_drivers[dev->cardtype].model); 620 return len; 621 } 622 623 static ssize_t aac_show_vendor(struct class_device *class_dev, 624 char *buf) 625 { 626 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 627 int len; 628 629 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 630 char * cp = dev->supplement_adapter_info.AdapterTypeText; 631 while (*cp && *cp != ' ') 632 ++cp; 633 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 634 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 635 dev->supplement_adapter_info.AdapterTypeText); 636 } else 637 len = snprintf(buf, PAGE_SIZE, "%s\n", 638 aac_drivers[dev->cardtype].vname); 639 return len; 640 } 641 642 static ssize_t aac_show_kernel_version(struct class_device *class_dev, 643 char *buf) 644 { 645 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 646 int len, tmp; 647 648 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 649 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 650 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 651 le32_to_cpu(dev->adapter_info.kernelbuild)); 652 return len; 653 } 654 655 static ssize_t aac_show_monitor_version(struct class_device *class_dev, 656 char *buf) 657 { 658 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 659 int len, tmp; 660 661 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 662 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 663 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 664 le32_to_cpu(dev->adapter_info.monitorbuild)); 665 return len; 666 } 667 668 static ssize_t aac_show_bios_version(struct class_device *class_dev, 669 char *buf) 670 { 671 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 672 int len, tmp; 673 674 tmp = le32_to_cpu(dev->adapter_info.biosrev); 675 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 676 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 677 le32_to_cpu(dev->adapter_info.biosbuild)); 678 return len; 679 } 680 681 static ssize_t aac_show_serial_number(struct class_device *class_dev, 682 char *buf) 683 { 684 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 685 int len = 0; 686 687 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 688 len = snprintf(buf, PAGE_SIZE, "%x\n", 689 le32_to_cpu(dev->adapter_info.serial[0])); 690 return len; 691 } 692 693 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 694 { 695 return snprintf(buf, PAGE_SIZE, "%d\n", 696 class_to_shost(class_dev)->max_channel); 697 } 698 699 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 700 { 701 return snprintf(buf, PAGE_SIZE, "%d\n", 702 class_to_shost(class_dev)->max_id); 703 } 704 705 706 static struct class_device_attribute aac_model = { 707 .attr = { 708 .name = "model", 709 .mode = S_IRUGO, 710 }, 711 .show = aac_show_model, 712 }; 713 static struct class_device_attribute aac_vendor = { 714 .attr = { 715 .name = "vendor", 716 .mode = S_IRUGO, 717 }, 718 .show = aac_show_vendor, 719 }; 720 static struct class_device_attribute aac_kernel_version = { 721 .attr = { 722 .name = "hba_kernel_version", 723 .mode = S_IRUGO, 724 }, 725 .show = aac_show_kernel_version, 726 }; 727 static struct class_device_attribute aac_monitor_version = { 728 .attr = { 729 .name = "hba_monitor_version", 730 .mode = S_IRUGO, 731 }, 732 .show = aac_show_monitor_version, 733 }; 734 static struct class_device_attribute aac_bios_version = { 735 .attr = { 736 .name = "hba_bios_version", 737 .mode = S_IRUGO, 738 }, 739 .show = aac_show_bios_version, 740 }; 741 static struct class_device_attribute aac_serial_number = { 742 .attr = { 743 .name = "serial_number", 744 .mode = S_IRUGO, 745 }, 746 .show = aac_show_serial_number, 747 }; 748 static struct class_device_attribute aac_max_channel = { 749 .attr = { 750 .name = "max_channel", 751 .mode = S_IRUGO, 752 }, 753 .show = aac_show_max_channel, 754 }; 755 static struct class_device_attribute aac_max_id = { 756 .attr = { 757 .name = "max_id", 758 .mode = S_IRUGO, 759 }, 760 .show = aac_show_max_id, 761 }; 762 763 static struct class_device_attribute *aac_attrs[] = { 764 &aac_model, 765 &aac_vendor, 766 &aac_kernel_version, 767 &aac_monitor_version, 768 &aac_bios_version, 769 &aac_serial_number, 770 &aac_max_channel, 771 &aac_max_id, 772 NULL 773 }; 774 775 776 static struct file_operations aac_cfg_fops = { 777 .owner = THIS_MODULE, 778 .ioctl = aac_cfg_ioctl, 779 #ifdef CONFIG_COMPAT 780 .compat_ioctl = aac_compat_cfg_ioctl, 781 #endif 782 .open = aac_cfg_open, 783 }; 784 785 static struct scsi_host_template aac_driver_template = { 786 .module = THIS_MODULE, 787 .name = "AAC", 788 .proc_name = AAC_DRIVERNAME, 789 .info = aac_info, 790 .ioctl = aac_ioctl, 791 #ifdef CONFIG_COMPAT 792 .compat_ioctl = aac_compat_ioctl, 793 #endif 794 .queuecommand = aac_queuecommand, 795 .bios_param = aac_biosparm, 796 .shost_attrs = aac_attrs, 797 .slave_configure = aac_slave_configure, 798 .eh_host_reset_handler = aac_eh_reset, 799 .can_queue = AAC_NUM_IO_FIB, 800 .this_id = MAXIMUM_NUM_CONTAINERS, 801 .sg_tablesize = 16, 802 .max_sectors = 128, 803 #if (AAC_NUM_IO_FIB > 256) 804 .cmd_per_lun = 256, 805 #else 806 .cmd_per_lun = AAC_NUM_IO_FIB, 807 #endif 808 .use_clustering = ENABLE_CLUSTERING, 809 .emulated = 1, 810 }; 811 812 813 static int __devinit aac_probe_one(struct pci_dev *pdev, 814 const struct pci_device_id *id) 815 { 816 unsigned index = id->driver_data; 817 struct Scsi_Host *shost; 818 struct aac_dev *aac; 819 struct list_head *insert = &aac_devices; 820 int error = -ENODEV; 821 int unique_id = 0; 822 823 list_for_each_entry(aac, &aac_devices, entry) { 824 if (aac->id > unique_id) 825 break; 826 insert = &aac->entry; 827 unique_id++; 828 } 829 830 error = pci_enable_device(pdev); 831 if (error) 832 goto out; 833 error = -ENODEV; 834 835 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 836 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 837 goto out_disable_pdev; 838 /* 839 * If the quirk31 bit is set, the adapter needs adapter 840 * to driver communication memory to be allocated below 2gig 841 */ 842 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 843 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 844 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 845 goto out_disable_pdev; 846 847 pci_set_master(pdev); 848 849 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 850 if (!shost) 851 goto out_disable_pdev; 852 853 shost->irq = pdev->irq; 854 shost->base = pci_resource_start(pdev, 0); 855 shost->unique_id = unique_id; 856 shost->max_cmd_len = 16; 857 858 aac = (struct aac_dev *)shost->hostdata; 859 aac->scsi_host_ptr = shost; 860 aac->pdev = pdev; 861 aac->name = aac_driver_template.name; 862 aac->id = shost->unique_id; 863 aac->cardtype = index; 864 INIT_LIST_HEAD(&aac->entry); 865 866 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 867 if (!aac->fibs) 868 goto out_free_host; 869 spin_lock_init(&aac->fib_lock); 870 871 /* 872 * Map in the registers from the adapter. 873 */ 874 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 875 if ((aac->regs.sa = ioremap( 876 (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE)) 877 == NULL) { 878 printk(KERN_WARNING "%s: unable to map adapter.\n", 879 AAC_DRIVERNAME); 880 goto out_free_fibs; 881 } 882 if ((*aac_drivers[index].init)(aac)) 883 goto out_unmap; 884 885 /* 886 * Start any kernel threads needed 887 */ 888 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 889 if (IS_ERR(aac->thread)) { 890 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 891 error = PTR_ERR(aac->thread); 892 goto out_deinit; 893 } 894 895 /* 896 * If we had set a smaller DMA mask earlier, set it to 4gig 897 * now since the adapter can dma data to at least a 4gig 898 * address space. 899 */ 900 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 901 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 902 goto out_deinit; 903 904 aac->maximum_num_channels = aac_drivers[index].channels; 905 error = aac_get_adapter_info(aac); 906 if (error < 0) 907 goto out_deinit; 908 909 /* 910 * Lets override negotiations and drop the maximum SG limit to 34 911 */ 912 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 913 (aac->scsi_host_ptr->sg_tablesize > 34)) { 914 aac->scsi_host_ptr->sg_tablesize = 34; 915 aac->scsi_host_ptr->max_sectors 916 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 917 } 918 919 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 920 (aac->scsi_host_ptr->sg_tablesize > 17)) { 921 aac->scsi_host_ptr->sg_tablesize = 17; 922 aac->scsi_host_ptr->max_sectors 923 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 924 } 925 926 /* 927 * Firware printf works only with older firmware. 928 */ 929 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 930 aac->printf_enabled = 1; 931 else 932 aac->printf_enabled = 0; 933 934 /* 935 * max channel will be the physical channels plus 1 virtual channel 936 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 937 * physical channels are address by their actual physical number+1 938 */ 939 if (aac->nondasd_support == 1) 940 shost->max_channel = aac->maximum_num_channels; 941 else 942 shost->max_channel = 0; 943 944 aac_get_config_status(aac); 945 aac_get_containers(aac); 946 list_add(&aac->entry, insert); 947 948 shost->max_id = aac->maximum_num_containers; 949 if (shost->max_id < aac->maximum_num_physicals) 950 shost->max_id = aac->maximum_num_physicals; 951 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 952 shost->max_id = MAXIMUM_NUM_CONTAINERS; 953 else 954 shost->this_id = shost->max_id; 955 956 /* 957 * dmb - we may need to move the setting of these parms somewhere else once 958 * we get a fib that can report the actual numbers 959 */ 960 shost->max_lun = AAC_MAX_LUN; 961 962 pci_set_drvdata(pdev, shost); 963 964 error = scsi_add_host(shost, &pdev->dev); 965 if (error) 966 goto out_deinit; 967 scsi_scan_host(shost); 968 969 return 0; 970 971 out_deinit: 972 kthread_stop(aac->thread); 973 aac_send_shutdown(aac); 974 aac_adapter_disable_int(aac); 975 free_irq(pdev->irq, aac); 976 out_unmap: 977 aac_fib_map_free(aac); 978 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 979 kfree(aac->queues); 980 iounmap(aac->regs.sa); 981 out_free_fibs: 982 kfree(aac->fibs); 983 kfree(aac->fsa_dev); 984 out_free_host: 985 scsi_host_put(shost); 986 out_disable_pdev: 987 pci_disable_device(pdev); 988 out: 989 return error; 990 } 991 992 static void aac_shutdown(struct pci_dev *dev) 993 { 994 struct Scsi_Host *shost = pci_get_drvdata(dev); 995 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 996 aac_send_shutdown(aac); 997 } 998 999 static void __devexit aac_remove_one(struct pci_dev *pdev) 1000 { 1001 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1002 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1003 1004 scsi_remove_host(shost); 1005 1006 kthread_stop(aac->thread); 1007 1008 aac_send_shutdown(aac); 1009 aac_adapter_disable_int(aac); 1010 aac_fib_map_free(aac); 1011 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1012 aac->comm_phys); 1013 kfree(aac->queues); 1014 1015 free_irq(pdev->irq, aac); 1016 iounmap(aac->regs.sa); 1017 1018 kfree(aac->fibs); 1019 kfree(aac->fsa_dev); 1020 1021 list_del(&aac->entry); 1022 scsi_host_put(shost); 1023 pci_disable_device(pdev); 1024 } 1025 1026 static struct pci_driver aac_pci_driver = { 1027 .name = AAC_DRIVERNAME, 1028 .id_table = aac_pci_tbl, 1029 .probe = aac_probe_one, 1030 .remove = __devexit_p(aac_remove_one), 1031 .shutdown = aac_shutdown, 1032 }; 1033 1034 static int __init aac_init(void) 1035 { 1036 int error; 1037 1038 printk(KERN_INFO "Adaptec %s driver (%s)\n", 1039 AAC_DRIVERNAME, aac_driver_version); 1040 1041 error = pci_register_driver(&aac_pci_driver); 1042 if (error < 0) 1043 return error; 1044 1045 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1046 if (aac_cfg_major < 0) { 1047 printk(KERN_WARNING 1048 "aacraid: unable to register \"aac\" device.\n"); 1049 } 1050 1051 return 0; 1052 } 1053 1054 static void __exit aac_exit(void) 1055 { 1056 if (aac_cfg_major > -1) 1057 unregister_chrdev(aac_cfg_major, "aac"); 1058 pci_unregister_driver(&aac_pci_driver); 1059 } 1060 1061 module_init(aac_init); 1062 module_exit(aac_exit); 1063