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/syscalls.h> 43 #include <linux/delay.h> 44 #include <linux/kthread.h> 45 #include <asm/semaphore.h> 46 47 #include <scsi/scsi.h> 48 #include <scsi/scsi_cmnd.h> 49 #include <scsi/scsi_device.h> 50 #include <scsi/scsi_host.h> 51 #include <scsi/scsi_tcq.h> 52 #include <scsi/scsicam.h> 53 #include <scsi/scsi_eh.h> 54 55 #include "aacraid.h" 56 57 #define AAC_DRIVER_VERSION "1.1-5" 58 #ifndef AAC_DRIVER_BRANCH 59 #define AAC_DRIVER_BRANCH "" 60 #endif 61 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__ 62 #define AAC_DRIVERNAME "aacraid" 63 64 #ifdef AAC_DRIVER_BUILD 65 #define _str(x) #x 66 #define str(x) _str(x) 67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 68 #else 69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE 70 #endif 71 72 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 74 "Adaptec Advanced Raid Products, " 75 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 76 MODULE_LICENSE("GPL"); 77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 78 79 static LIST_HEAD(aac_devices); 80 static int aac_cfg_major = -1; 81 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 82 83 /* 84 * Because of the way Linux names scsi devices, the order in this table has 85 * become important. Check for on-board Raid first, add-in cards second. 86 * 87 * Note: The last field is used to index into aac_drivers below. 88 */ 89 static struct pci_device_id aac_pci_tbl[] = { 90 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 91 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 92 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 93 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 94 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 95 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 96 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 97 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 98 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 99 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 100 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 101 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 102 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 103 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 104 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 105 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 106 107 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 108 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 109 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 110 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 111 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 112 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 113 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 114 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 115 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 116 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 117 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 118 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 120 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 121 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 122 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 123 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 124 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 125 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 126 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 127 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 128 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 129 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 130 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 131 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 132 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 133 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 134 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 135 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 136 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 137 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 138 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 139 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 140 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 141 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 142 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 143 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 144 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 145 146 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 147 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 148 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 149 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 150 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 151 152 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 153 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 154 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 155 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 156 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 157 { 0,} 158 }; 159 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 160 161 /* 162 * dmb - For now we add the number of channels to this structure. 163 * In the future we should add a fib that reports the number of channels 164 * for the card. At that time we can remove the channels from here 165 */ 166 static struct aac_driver_ident aac_drivers[] = { 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 176 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 181 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 182 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 183 184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 188 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 189 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 194 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 195 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 196 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 197 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 198 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 199 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 200 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 201 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 202 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 206 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 213 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 214 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 215 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 219 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 220 221 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 222 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 223 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 224 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 225 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 226 227 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 228 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 229 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 230 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 231 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK 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 struct Scsi_Host *host = cmd->device->host; 247 struct aac_dev *dev = (struct aac_dev *)host->hostdata; 248 u32 count = 0; 249 cmd->scsi_done = done; 250 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 251 struct fib * fib = &dev->fibs[count]; 252 struct scsi_cmnd * command; 253 if (fib->hw_fib_va->header.XferState && 254 ((command = fib->callback_data)) && 255 (command == cmd) && 256 (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) 257 return 0; /* Already owned by Adapter */ 258 } 259 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 260 return (aac_scsi_cmd(cmd) ? FAILED : 0); 261 } 262 263 /** 264 * aac_info - Returns the host adapter name 265 * @shost: Scsi host to report on 266 * 267 * Returns a static string describing the device in question 268 */ 269 270 static const char *aac_info(struct Scsi_Host *shost) 271 { 272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 273 return aac_drivers[dev->cardtype].name; 274 } 275 276 /** 277 * aac_get_driver_ident 278 * @devtype: index into lookup table 279 * 280 * Returns a pointer to the entry in the driver lookup table. 281 */ 282 283 struct aac_driver_ident* aac_get_driver_ident(int devtype) 284 { 285 return &aac_drivers[devtype]; 286 } 287 288 /** 289 * aac_biosparm - return BIOS parameters for disk 290 * @sdev: The scsi device corresponding to the disk 291 * @bdev: the block device corresponding to the disk 292 * @capacity: the sector capacity of the disk 293 * @geom: geometry block to fill in 294 * 295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 297 * number of cylinders so as not to exceed drive capacity. In order for 298 * disks equal to or larger than 1 GB to be addressable by the BIOS 299 * without exceeding the BIOS limitation of 1024 cylinders, Extended 300 * Translation should be enabled. With Extended Translation enabled, 301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 303 * are given a disk geometry of 255 heads and 63 sectors. However, if 304 * the BIOS detects that the Extended Translation setting does not match 305 * the geometry in the partition table, then the translation inferred 306 * from the partition table will be used by the BIOS, and a warning may 307 * be displayed. 308 */ 309 310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 311 sector_t capacity, int *geom) 312 { 313 struct diskparm *param = (struct diskparm *)geom; 314 unsigned char *buf; 315 316 dprintk((KERN_DEBUG "aac_biosparm.\n")); 317 318 /* 319 * Assuming extended translation is enabled - #REVISIT# 320 */ 321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 323 param->heads = 255; 324 param->sectors = 63; 325 } else { 326 param->heads = 128; 327 param->sectors = 32; 328 } 329 } else { 330 param->heads = 64; 331 param->sectors = 32; 332 } 333 334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 335 336 /* 337 * Read the first 1024 bytes from the disk device, if the boot 338 * sector partition table is valid, search for a partition table 339 * entry whose end_head matches one of the standard geometry 340 * translations ( 64/32, 128/32, 255/63 ). 341 */ 342 buf = scsi_bios_ptable(bdev); 343 if (!buf) 344 return 0; 345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 346 struct partition *first = (struct partition * )buf; 347 struct partition *entry = first; 348 int saved_cylinders = param->cylinders; 349 int num; 350 unsigned char end_head, end_sec; 351 352 for(num = 0; num < 4; num++) { 353 end_head = entry->end_head; 354 end_sec = entry->end_sector & 0x3f; 355 356 if(end_head == 63) { 357 param->heads = 64; 358 param->sectors = 32; 359 break; 360 } else if(end_head == 127) { 361 param->heads = 128; 362 param->sectors = 32; 363 break; 364 } else if(end_head == 254) { 365 param->heads = 255; 366 param->sectors = 63; 367 break; 368 } 369 entry++; 370 } 371 372 if (num == 4) { 373 end_head = first->end_head; 374 end_sec = first->end_sector & 0x3f; 375 } 376 377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 378 if (num < 4 && end_sec == param->sectors) { 379 if (param->cylinders != saved_cylinders) 380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 381 param->heads, param->sectors, num)); 382 } else if (end_head > 0 || end_sec > 0) { 383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 384 end_head + 1, end_sec, num)); 385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 386 param->heads, param->sectors)); 387 } 388 } 389 kfree(buf); 390 return 0; 391 } 392 393 /** 394 * aac_slave_configure - compute queue depths 395 * @sdev: SCSI device we are considering 396 * 397 * Selects queue depths for each target device based on the host adapter's 398 * total capacity and the queue depth supported by the target device. 399 * A queue depth of one automatically disables tagged queueing. 400 */ 401 402 static int aac_slave_configure(struct scsi_device *sdev) 403 { 404 if ((sdev->type == TYPE_DISK) && 405 (sdev_channel(sdev) != CONTAINER_CHANNEL)) { 406 if (expose_physicals == 0) 407 return -ENXIO; 408 if (expose_physicals < 0) { 409 struct aac_dev *aac = 410 (struct aac_dev *)sdev->host->hostdata; 411 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 412 sdev->no_uld_attach = 1; 413 } 414 } 415 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 416 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 417 struct scsi_device * dev; 418 struct Scsi_Host *host = sdev->host; 419 unsigned num_lsu = 0; 420 unsigned num_one = 0; 421 unsigned depth; 422 423 __shost_for_each_device(dev, host) { 424 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 425 (sdev_channel(dev) == CONTAINER_CHANNEL)) 426 ++num_lsu; 427 else 428 ++num_one; 429 } 430 if (num_lsu == 0) 431 ++num_lsu; 432 depth = (host->can_queue - num_one) / num_lsu; 433 if (depth > 256) 434 depth = 256; 435 else if (depth < 2) 436 depth = 2; 437 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 438 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 439 AAC_OPT_NEW_COMM)) 440 blk_queue_max_segment_size(sdev->request_queue, 65536); 441 } else 442 scsi_adjust_queue_depth(sdev, 0, 1); 443 444 return 0; 445 } 446 447 /** 448 * aac_change_queue_depth - alter queue depths 449 * @sdev: SCSI device we are considering 450 * @depth: desired queue depth 451 * 452 * Alters queue depths for target device based on the host adapter's 453 * total capacity and the queue depth supported by the target device. 454 */ 455 456 static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 457 { 458 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 459 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 460 struct scsi_device * dev; 461 struct Scsi_Host *host = sdev->host; 462 unsigned num = 0; 463 464 __shost_for_each_device(dev, host) { 465 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 466 (sdev_channel(dev) == CONTAINER_CHANNEL)) 467 ++num; 468 ++num; 469 } 470 if (num >= host->can_queue) 471 num = host->can_queue - 1; 472 if (depth > (host->can_queue - num)) 473 depth = host->can_queue - num; 474 if (depth > 256) 475 depth = 256; 476 else if (depth < 2) 477 depth = 2; 478 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 479 } else 480 scsi_adjust_queue_depth(sdev, 0, 1); 481 return sdev->queue_depth; 482 } 483 484 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 485 { 486 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 487 return aac_do_ioctl(dev, cmd, arg); 488 } 489 490 static int aac_eh_abort(struct scsi_cmnd* cmd) 491 { 492 struct scsi_device * dev = cmd->device; 493 struct Scsi_Host * host = dev->host; 494 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 495 int count; 496 int ret = FAILED; 497 498 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 499 AAC_DRIVERNAME, 500 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 501 switch (cmd->cmnd[0]) { 502 case SERVICE_ACTION_IN: 503 if (!(aac->raw_io_interface) || 504 !(aac->raw_io_64) || 505 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 506 break; 507 case INQUIRY: 508 case READ_CAPACITY: 509 case TEST_UNIT_READY: 510 /* Mark associated FIB to not complete, eh handler does this */ 511 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 512 struct fib * fib = &aac->fibs[count]; 513 if (fib->hw_fib_va->header.XferState && 514 (fib->callback_data == cmd)) { 515 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 516 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 517 ret = SUCCESS; 518 } 519 } 520 } 521 return ret; 522 } 523 524 /* 525 * aac_eh_reset - Reset command handling 526 * @scsi_cmd: SCSI command block causing the reset 527 * 528 */ 529 static int aac_eh_reset(struct scsi_cmnd* cmd) 530 { 531 struct scsi_device * dev = cmd->device; 532 struct Scsi_Host * host = dev->host; 533 struct scsi_cmnd * command; 534 int count; 535 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 536 unsigned long flags; 537 538 /* Mark the associated FIB to not complete, eh handler does this */ 539 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 540 struct fib * fib = &aac->fibs[count]; 541 if (fib->hw_fib_va->header.XferState && 542 (fib->callback_data == cmd)) { 543 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 544 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 545 } 546 } 547 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 548 AAC_DRIVERNAME); 549 550 if ((count = aac_check_health(aac))) 551 return count; 552 /* 553 * Wait for all commands to complete to this specific 554 * target (block maximum 60 seconds). 555 */ 556 for (count = 60; count; --count) { 557 int active = aac->in_reset; 558 559 if (active == 0) 560 __shost_for_each_device(dev, host) { 561 spin_lock_irqsave(&dev->list_lock, flags); 562 list_for_each_entry(command, &dev->cmd_list, list) { 563 if ((command != cmd) && 564 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 565 active++; 566 break; 567 } 568 } 569 spin_unlock_irqrestore(&dev->list_lock, flags); 570 if (active) 571 break; 572 573 } 574 /* 575 * We can exit If all the commands are complete 576 */ 577 if (active == 0) 578 return SUCCESS; 579 ssleep(1); 580 } 581 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 582 /* 583 * This adapter needs a blind reset, only do so for Adapters that 584 * support a register, instead of a commanded, reset. 585 */ 586 if ((aac->supplement_adapter_info.SupportedOptions2 & 587 le32_to_cpu(AAC_OPTION_MU_RESET|AAC_OPTION_IGNORE_RESET)) == 588 le32_to_cpu(AAC_OPTION_MU_RESET)) 589 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 590 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 591 } 592 593 /** 594 * aac_cfg_open - open a configuration file 595 * @inode: inode being opened 596 * @file: file handle attached 597 * 598 * Called when the configuration device is opened. Does the needed 599 * set up on the handle and then returns 600 * 601 * Bugs: This needs extending to check a given adapter is present 602 * so we can support hot plugging, and to ref count adapters. 603 */ 604 605 static int aac_cfg_open(struct inode *inode, struct file *file) 606 { 607 struct aac_dev *aac; 608 unsigned minor_number = iminor(inode); 609 int err = -ENODEV; 610 611 list_for_each_entry(aac, &aac_devices, entry) { 612 if (aac->id == minor_number) { 613 file->private_data = aac; 614 err = 0; 615 break; 616 } 617 } 618 619 return err; 620 } 621 622 /** 623 * aac_cfg_ioctl - AAC configuration request 624 * @inode: inode of device 625 * @file: file handle 626 * @cmd: ioctl command code 627 * @arg: argument 628 * 629 * Handles a configuration ioctl. Currently this involves wrapping it 630 * up and feeding it into the nasty windowsalike glue layer. 631 * 632 * Bugs: Needs locking against parallel ioctls lower down 633 * Bugs: Needs to handle hot plugging 634 */ 635 636 static int aac_cfg_ioctl(struct inode *inode, struct file *file, 637 unsigned int cmd, unsigned long arg) 638 { 639 if (!capable(CAP_SYS_ADMIN)) 640 return -EPERM; 641 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 642 } 643 644 #ifdef CONFIG_COMPAT 645 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 646 { 647 long ret; 648 lock_kernel(); 649 switch (cmd) { 650 case FSACTL_MINIPORT_REV_CHECK: 651 case FSACTL_SENDFIB: 652 case FSACTL_OPEN_GET_ADAPTER_FIB: 653 case FSACTL_CLOSE_GET_ADAPTER_FIB: 654 case FSACTL_SEND_RAW_SRB: 655 case FSACTL_GET_PCI_INFO: 656 case FSACTL_QUERY_DISK: 657 case FSACTL_DELETE_DISK: 658 case FSACTL_FORCE_DELETE_DISK: 659 case FSACTL_GET_CONTAINERS: 660 case FSACTL_SEND_LARGE_FIB: 661 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 662 break; 663 664 case FSACTL_GET_NEXT_ADAPTER_FIB: { 665 struct fib_ioctl __user *f; 666 667 f = compat_alloc_user_space(sizeof(*f)); 668 ret = 0; 669 if (clear_user(f, sizeof(*f))) 670 ret = -EFAULT; 671 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 672 ret = -EFAULT; 673 if (!ret) 674 ret = aac_do_ioctl(dev, cmd, f); 675 break; 676 } 677 678 default: 679 ret = -ENOIOCTLCMD; 680 break; 681 } 682 unlock_kernel(); 683 return ret; 684 } 685 686 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 687 { 688 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 689 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 690 } 691 692 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 693 { 694 if (!capable(CAP_SYS_ADMIN)) 695 return -EPERM; 696 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 697 } 698 #endif 699 700 static ssize_t aac_show_model(struct class_device *class_dev, 701 char *buf) 702 { 703 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 704 int len; 705 706 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 707 char * cp = dev->supplement_adapter_info.AdapterTypeText; 708 while (*cp && *cp != ' ') 709 ++cp; 710 while (*cp == ' ') 711 ++cp; 712 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 713 } else 714 len = snprintf(buf, PAGE_SIZE, "%s\n", 715 aac_drivers[dev->cardtype].model); 716 return len; 717 } 718 719 static ssize_t aac_show_vendor(struct class_device *class_dev, 720 char *buf) 721 { 722 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 723 int len; 724 725 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 726 char * cp = dev->supplement_adapter_info.AdapterTypeText; 727 while (*cp && *cp != ' ') 728 ++cp; 729 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 730 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 731 dev->supplement_adapter_info.AdapterTypeText); 732 } else 733 len = snprintf(buf, PAGE_SIZE, "%s\n", 734 aac_drivers[dev->cardtype].vname); 735 return len; 736 } 737 738 static ssize_t aac_show_kernel_version(struct class_device *class_dev, 739 char *buf) 740 { 741 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 742 int len, tmp; 743 744 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 745 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 746 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 747 le32_to_cpu(dev->adapter_info.kernelbuild)); 748 return len; 749 } 750 751 static ssize_t aac_show_monitor_version(struct class_device *class_dev, 752 char *buf) 753 { 754 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 755 int len, tmp; 756 757 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 758 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 759 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 760 le32_to_cpu(dev->adapter_info.monitorbuild)); 761 return len; 762 } 763 764 static ssize_t aac_show_bios_version(struct class_device *class_dev, 765 char *buf) 766 { 767 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 768 int len, tmp; 769 770 tmp = le32_to_cpu(dev->adapter_info.biosrev); 771 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 772 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 773 le32_to_cpu(dev->adapter_info.biosbuild)); 774 return len; 775 } 776 777 ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf) 778 { 779 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 780 int len = 0; 781 782 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 783 len = snprintf(buf, PAGE_SIZE, "%06X\n", 784 le32_to_cpu(dev->adapter_info.serial[0])); 785 if (len && 786 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 787 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len], 788 buf, len)) 789 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 790 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 791 dev->supplement_adapter_info.MfgPcbaSerialNo); 792 return len; 793 } 794 795 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 796 { 797 return snprintf(buf, PAGE_SIZE, "%d\n", 798 class_to_shost(class_dev)->max_channel); 799 } 800 801 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 802 { 803 return snprintf(buf, PAGE_SIZE, "%d\n", 804 class_to_shost(class_dev)->max_id); 805 } 806 807 static ssize_t aac_store_reset_adapter(struct class_device *class_dev, 808 const char *buf, size_t count) 809 { 810 int retval = -EACCES; 811 812 if (!capable(CAP_SYS_ADMIN)) 813 return retval; 814 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!'); 815 if (retval >= 0) 816 retval = count; 817 return retval; 818 } 819 820 static ssize_t aac_show_reset_adapter(struct class_device *class_dev, 821 char *buf) 822 { 823 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 824 int len, tmp; 825 826 tmp = aac_adapter_check_health(dev); 827 if ((tmp == 0) && dev->in_reset) 828 tmp = -EBUSY; 829 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 830 return len; 831 } 832 833 static struct class_device_attribute aac_model = { 834 .attr = { 835 .name = "model", 836 .mode = S_IRUGO, 837 }, 838 .show = aac_show_model, 839 }; 840 static struct class_device_attribute aac_vendor = { 841 .attr = { 842 .name = "vendor", 843 .mode = S_IRUGO, 844 }, 845 .show = aac_show_vendor, 846 }; 847 static struct class_device_attribute aac_kernel_version = { 848 .attr = { 849 .name = "hba_kernel_version", 850 .mode = S_IRUGO, 851 }, 852 .show = aac_show_kernel_version, 853 }; 854 static struct class_device_attribute aac_monitor_version = { 855 .attr = { 856 .name = "hba_monitor_version", 857 .mode = S_IRUGO, 858 }, 859 .show = aac_show_monitor_version, 860 }; 861 static struct class_device_attribute aac_bios_version = { 862 .attr = { 863 .name = "hba_bios_version", 864 .mode = S_IRUGO, 865 }, 866 .show = aac_show_bios_version, 867 }; 868 static struct class_device_attribute aac_serial_number = { 869 .attr = { 870 .name = "serial_number", 871 .mode = S_IRUGO, 872 }, 873 .show = aac_show_serial_number, 874 }; 875 static struct class_device_attribute aac_max_channel = { 876 .attr = { 877 .name = "max_channel", 878 .mode = S_IRUGO, 879 }, 880 .show = aac_show_max_channel, 881 }; 882 static struct class_device_attribute aac_max_id = { 883 .attr = { 884 .name = "max_id", 885 .mode = S_IRUGO, 886 }, 887 .show = aac_show_max_id, 888 }; 889 static struct class_device_attribute aac_reset = { 890 .attr = { 891 .name = "reset_host", 892 .mode = S_IWUSR|S_IRUGO, 893 }, 894 .store = aac_store_reset_adapter, 895 .show = aac_show_reset_adapter, 896 }; 897 898 static struct class_device_attribute *aac_attrs[] = { 899 &aac_model, 900 &aac_vendor, 901 &aac_kernel_version, 902 &aac_monitor_version, 903 &aac_bios_version, 904 &aac_serial_number, 905 &aac_max_channel, 906 &aac_max_id, 907 &aac_reset, 908 NULL 909 }; 910 911 912 static const struct file_operations aac_cfg_fops = { 913 .owner = THIS_MODULE, 914 .ioctl = aac_cfg_ioctl, 915 #ifdef CONFIG_COMPAT 916 .compat_ioctl = aac_compat_cfg_ioctl, 917 #endif 918 .open = aac_cfg_open, 919 }; 920 921 static struct scsi_host_template aac_driver_template = { 922 .module = THIS_MODULE, 923 .name = "AAC", 924 .proc_name = AAC_DRIVERNAME, 925 .info = aac_info, 926 .ioctl = aac_ioctl, 927 #ifdef CONFIG_COMPAT 928 .compat_ioctl = aac_compat_ioctl, 929 #endif 930 .queuecommand = aac_queuecommand, 931 .bios_param = aac_biosparm, 932 .shost_attrs = aac_attrs, 933 .slave_configure = aac_slave_configure, 934 .change_queue_depth = aac_change_queue_depth, 935 .eh_abort_handler = aac_eh_abort, 936 .eh_host_reset_handler = aac_eh_reset, 937 .can_queue = AAC_NUM_IO_FIB, 938 .this_id = MAXIMUM_NUM_CONTAINERS, 939 .sg_tablesize = 16, 940 .max_sectors = 128, 941 #if (AAC_NUM_IO_FIB > 256) 942 .cmd_per_lun = 256, 943 #else 944 .cmd_per_lun = AAC_NUM_IO_FIB, 945 #endif 946 .use_clustering = ENABLE_CLUSTERING, 947 .emulated = 1, 948 }; 949 950 static void __aac_shutdown(struct aac_dev * aac) 951 { 952 kthread_stop(aac->thread); 953 aac_send_shutdown(aac); 954 aac_adapter_disable_int(aac); 955 free_irq(aac->pdev->irq, aac); 956 } 957 958 static int __devinit aac_probe_one(struct pci_dev *pdev, 959 const struct pci_device_id *id) 960 { 961 unsigned index = id->driver_data; 962 struct Scsi_Host *shost; 963 struct aac_dev *aac; 964 struct list_head *insert = &aac_devices; 965 int error = -ENODEV; 966 int unique_id = 0; 967 968 list_for_each_entry(aac, &aac_devices, entry) { 969 if (aac->id > unique_id) 970 break; 971 insert = &aac->entry; 972 unique_id++; 973 } 974 975 error = pci_enable_device(pdev); 976 if (error) 977 goto out; 978 error = -ENODEV; 979 980 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 981 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 982 goto out_disable_pdev; 983 /* 984 * If the quirk31 bit is set, the adapter needs adapter 985 * to driver communication memory to be allocated below 2gig 986 */ 987 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 988 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 989 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 990 goto out_disable_pdev; 991 992 pci_set_master(pdev); 993 994 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 995 if (!shost) 996 goto out_disable_pdev; 997 998 shost->irq = pdev->irq; 999 shost->base = pci_resource_start(pdev, 0); 1000 shost->unique_id = unique_id; 1001 shost->max_cmd_len = 16; 1002 1003 aac = (struct aac_dev *)shost->hostdata; 1004 aac->scsi_host_ptr = shost; 1005 aac->pdev = pdev; 1006 aac->name = aac_driver_template.name; 1007 aac->id = shost->unique_id; 1008 aac->cardtype = index; 1009 INIT_LIST_HEAD(&aac->entry); 1010 1011 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1012 if (!aac->fibs) 1013 goto out_free_host; 1014 spin_lock_init(&aac->fib_lock); 1015 1016 /* 1017 * Map in the registers from the adapter. 1018 */ 1019 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1020 if ((*aac_drivers[index].init)(aac)) 1021 goto out_unmap; 1022 1023 /* 1024 * Start any kernel threads needed 1025 */ 1026 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1027 if (IS_ERR(aac->thread)) { 1028 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1029 error = PTR_ERR(aac->thread); 1030 goto out_deinit; 1031 } 1032 1033 /* 1034 * If we had set a smaller DMA mask earlier, set it to 4gig 1035 * now since the adapter can dma data to at least a 4gig 1036 * address space. 1037 */ 1038 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1039 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 1040 goto out_deinit; 1041 1042 aac->maximum_num_channels = aac_drivers[index].channels; 1043 error = aac_get_adapter_info(aac); 1044 if (error < 0) 1045 goto out_deinit; 1046 1047 /* 1048 * Lets override negotiations and drop the maximum SG limit to 34 1049 */ 1050 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1051 (aac->scsi_host_ptr->sg_tablesize > 34)) { 1052 aac->scsi_host_ptr->sg_tablesize = 34; 1053 aac->scsi_host_ptr->max_sectors 1054 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1055 } 1056 1057 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1058 (aac->scsi_host_ptr->sg_tablesize > 17)) { 1059 aac->scsi_host_ptr->sg_tablesize = 17; 1060 aac->scsi_host_ptr->max_sectors 1061 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1062 } 1063 1064 /* 1065 * Firware printf works only with older firmware. 1066 */ 1067 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1068 aac->printf_enabled = 1; 1069 else 1070 aac->printf_enabled = 0; 1071 1072 /* 1073 * max channel will be the physical channels plus 1 virtual channel 1074 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1075 * physical channels are address by their actual physical number+1 1076 */ 1077 if ((aac->nondasd_support == 1) || expose_physicals) 1078 shost->max_channel = aac->maximum_num_channels; 1079 else 1080 shost->max_channel = 0; 1081 1082 aac_get_config_status(aac, 0); 1083 aac_get_containers(aac); 1084 list_add(&aac->entry, insert); 1085 1086 shost->max_id = aac->maximum_num_containers; 1087 if (shost->max_id < aac->maximum_num_physicals) 1088 shost->max_id = aac->maximum_num_physicals; 1089 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1090 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1091 else 1092 shost->this_id = shost->max_id; 1093 1094 /* 1095 * dmb - we may need to move the setting of these parms somewhere else once 1096 * we get a fib that can report the actual numbers 1097 */ 1098 shost->max_lun = AAC_MAX_LUN; 1099 1100 pci_set_drvdata(pdev, shost); 1101 1102 error = scsi_add_host(shost, &pdev->dev); 1103 if (error) 1104 goto out_deinit; 1105 scsi_scan_host(shost); 1106 1107 return 0; 1108 1109 out_deinit: 1110 __aac_shutdown(aac); 1111 out_unmap: 1112 aac_fib_map_free(aac); 1113 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 1114 kfree(aac->queues); 1115 aac_adapter_ioremap(aac, 0); 1116 kfree(aac->fibs); 1117 kfree(aac->fsa_dev); 1118 out_free_host: 1119 scsi_host_put(shost); 1120 out_disable_pdev: 1121 pci_disable_device(pdev); 1122 out: 1123 return error; 1124 } 1125 1126 static void aac_shutdown(struct pci_dev *dev) 1127 { 1128 struct Scsi_Host *shost = pci_get_drvdata(dev); 1129 scsi_block_requests(shost); 1130 __aac_shutdown((struct aac_dev *)shost->hostdata); 1131 } 1132 1133 static void __devexit aac_remove_one(struct pci_dev *pdev) 1134 { 1135 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1136 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1137 1138 scsi_remove_host(shost); 1139 1140 __aac_shutdown(aac); 1141 aac_fib_map_free(aac); 1142 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1143 aac->comm_phys); 1144 kfree(aac->queues); 1145 1146 aac_adapter_ioremap(aac, 0); 1147 1148 kfree(aac->fibs); 1149 kfree(aac->fsa_dev); 1150 1151 list_del(&aac->entry); 1152 scsi_host_put(shost); 1153 pci_disable_device(pdev); 1154 if (list_empty(&aac_devices)) { 1155 unregister_chrdev(aac_cfg_major, "aac"); 1156 aac_cfg_major = -1; 1157 } 1158 } 1159 1160 static struct pci_driver aac_pci_driver = { 1161 .name = AAC_DRIVERNAME, 1162 .id_table = aac_pci_tbl, 1163 .probe = aac_probe_one, 1164 .remove = __devexit_p(aac_remove_one), 1165 .shutdown = aac_shutdown, 1166 }; 1167 1168 static int __init aac_init(void) 1169 { 1170 int error; 1171 1172 printk(KERN_INFO "Adaptec %s driver %s\n", 1173 AAC_DRIVERNAME, aac_driver_version); 1174 1175 error = pci_register_driver(&aac_pci_driver); 1176 if (error < 0) 1177 return error; 1178 1179 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1180 if (aac_cfg_major < 0) { 1181 printk(KERN_WARNING 1182 "aacraid: unable to register \"aac\" device.\n"); 1183 } 1184 1185 return 0; 1186 } 1187 1188 static void __exit aac_exit(void) 1189 { 1190 if (aac_cfg_major > -1) 1191 unregister_chrdev(aac_cfg_major, "aac"); 1192 pci_unregister_driver(&aac_pci_driver); 1193 } 1194 1195 module_init(aac_init); 1196 module_exit(aac_exit); 1197