1 /* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. 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/smp_lock.h> 42 #include <linux/spinlock.h> 43 #include <linux/syscalls.h> 44 #include <linux/delay.h> 45 #include <linux/kthread.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 #ifdef DECLARE_PCI_DEVICE_TABLE 90 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = { 91 #elif defined(__devinitconst) 92 static const struct pci_device_id aac_pci_tbl[] __devinitconst = { 93 #else 94 static const struct pci_device_id aac_pci_tbl[] __devinitdata = { 95 #endif 96 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 97 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 98 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 99 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 100 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 101 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 102 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 103 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 104 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 105 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 106 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 107 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 108 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 109 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 110 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 111 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 112 113 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 114 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 115 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 116 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 117 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 118 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 120 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 121 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 122 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 123 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 124 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 125 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 126 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 127 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 128 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 129 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 130 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 131 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 132 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 133 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 134 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 135 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 136 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 137 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 138 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 139 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 140 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 141 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 142 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 143 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 144 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 145 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 146 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 147 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 148 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 149 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 150 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 151 152 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 153 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 154 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 155 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 156 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 157 158 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 159 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 160 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 161 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 162 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 163 { 0,} 164 }; 165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 166 167 /* 168 * dmb - For now we add the number of channels to this structure. 169 * In the future we should add a fib that reports the number of channels 170 * for the card. At that time we can remove the channels from here 171 */ 172 static struct aac_driver_ident aac_drivers[] = { 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 182 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 183 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 187 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 188 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 189 190 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 192 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 194 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 199 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 200 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 201 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 202 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 203 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 204 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 205 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 206 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 207 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 208 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 212 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 219 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 220 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 225 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 226 227 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 228 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 229 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 230 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 231 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 232 233 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 234 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 235 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 236 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 237 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */ 238 }; 239 240 /** 241 * aac_queuecommand - queue a SCSI command 242 * @cmd: SCSI command to queue 243 * @done: Function to call on command completion 244 * 245 * Queues a command for execution by the associated Host Adapter. 246 * 247 * TODO: unify with aac_scsi_cmd(). 248 */ 249 250 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 251 { 252 struct Scsi_Host *host = cmd->device->host; 253 struct aac_dev *dev = (struct aac_dev *)host->hostdata; 254 u32 count = 0; 255 cmd->scsi_done = done; 256 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 257 struct fib * fib = &dev->fibs[count]; 258 struct scsi_cmnd * command; 259 if (fib->hw_fib_va->header.XferState && 260 ((command = fib->callback_data)) && 261 (command == cmd) && 262 (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) 263 return 0; /* Already owned by Adapter */ 264 } 265 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 266 return (aac_scsi_cmd(cmd) ? FAILED : 0); 267 } 268 269 /** 270 * aac_info - Returns the host adapter name 271 * @shost: Scsi host to report on 272 * 273 * Returns a static string describing the device in question 274 */ 275 276 static const char *aac_info(struct Scsi_Host *shost) 277 { 278 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 279 return aac_drivers[dev->cardtype].name; 280 } 281 282 /** 283 * aac_get_driver_ident 284 * @devtype: index into lookup table 285 * 286 * Returns a pointer to the entry in the driver lookup table. 287 */ 288 289 struct aac_driver_ident* aac_get_driver_ident(int devtype) 290 { 291 return &aac_drivers[devtype]; 292 } 293 294 /** 295 * aac_biosparm - return BIOS parameters for disk 296 * @sdev: The scsi device corresponding to the disk 297 * @bdev: the block device corresponding to the disk 298 * @capacity: the sector capacity of the disk 299 * @geom: geometry block to fill in 300 * 301 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 302 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 303 * number of cylinders so as not to exceed drive capacity. In order for 304 * disks equal to or larger than 1 GB to be addressable by the BIOS 305 * without exceeding the BIOS limitation of 1024 cylinders, Extended 306 * Translation should be enabled. With Extended Translation enabled, 307 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 308 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 309 * are given a disk geometry of 255 heads and 63 sectors. However, if 310 * the BIOS detects that the Extended Translation setting does not match 311 * the geometry in the partition table, then the translation inferred 312 * from the partition table will be used by the BIOS, and a warning may 313 * be displayed. 314 */ 315 316 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 317 sector_t capacity, int *geom) 318 { 319 struct diskparm *param = (struct diskparm *)geom; 320 unsigned char *buf; 321 322 dprintk((KERN_DEBUG "aac_biosparm.\n")); 323 324 /* 325 * Assuming extended translation is enabled - #REVISIT# 326 */ 327 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 328 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 329 param->heads = 255; 330 param->sectors = 63; 331 } else { 332 param->heads = 128; 333 param->sectors = 32; 334 } 335 } else { 336 param->heads = 64; 337 param->sectors = 32; 338 } 339 340 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 341 342 /* 343 * Read the first 1024 bytes from the disk device, if the boot 344 * sector partition table is valid, search for a partition table 345 * entry whose end_head matches one of the standard geometry 346 * translations ( 64/32, 128/32, 255/63 ). 347 */ 348 buf = scsi_bios_ptable(bdev); 349 if (!buf) 350 return 0; 351 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 352 struct partition *first = (struct partition * )buf; 353 struct partition *entry = first; 354 int saved_cylinders = param->cylinders; 355 int num; 356 unsigned char end_head, end_sec; 357 358 for(num = 0; num < 4; num++) { 359 end_head = entry->end_head; 360 end_sec = entry->end_sector & 0x3f; 361 362 if(end_head == 63) { 363 param->heads = 64; 364 param->sectors = 32; 365 break; 366 } else if(end_head == 127) { 367 param->heads = 128; 368 param->sectors = 32; 369 break; 370 } else if(end_head == 254) { 371 param->heads = 255; 372 param->sectors = 63; 373 break; 374 } 375 entry++; 376 } 377 378 if (num == 4) { 379 end_head = first->end_head; 380 end_sec = first->end_sector & 0x3f; 381 } 382 383 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 384 if (num < 4 && end_sec == param->sectors) { 385 if (param->cylinders != saved_cylinders) 386 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 387 param->heads, param->sectors, num)); 388 } else if (end_head > 0 || end_sec > 0) { 389 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 390 end_head + 1, end_sec, num)); 391 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 392 param->heads, param->sectors)); 393 } 394 } 395 kfree(buf); 396 return 0; 397 } 398 399 /** 400 * aac_slave_configure - compute queue depths 401 * @sdev: SCSI device we are considering 402 * 403 * Selects queue depths for each target device based on the host adapter's 404 * total capacity and the queue depth supported by the target device. 405 * A queue depth of one automatically disables tagged queueing. 406 */ 407 408 static int aac_slave_configure(struct scsi_device *sdev) 409 { 410 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 411 if (aac->jbod && (sdev->type == TYPE_DISK)) 412 sdev->removable = 1; 413 if ((sdev->type == TYPE_DISK) && 414 (sdev_channel(sdev) != CONTAINER_CHANNEL) && 415 (!aac->jbod || sdev->inq_periph_qual) && 416 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 417 if (expose_physicals == 0) 418 return -ENXIO; 419 if (expose_physicals < 0) 420 sdev->no_uld_attach = 1; 421 } 422 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 423 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && 424 !sdev->no_uld_attach) { 425 struct scsi_device * dev; 426 struct Scsi_Host *host = sdev->host; 427 unsigned num_lsu = 0; 428 unsigned num_one = 0; 429 unsigned depth; 430 unsigned cid; 431 432 /* 433 * Firmware has an individual device recovery time typically 434 * of 35 seconds, give us a margin. 435 */ 436 if (sdev->request_queue->rq_timeout < (45 * HZ)) 437 blk_queue_rq_timeout(sdev->request_queue, 45*HZ); 438 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 439 if (aac->fsa_dev[cid].valid) 440 ++num_lsu; 441 __shost_for_each_device(dev, host) { 442 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 443 (!aac->raid_scsi_mode || 444 (sdev_channel(sdev) != 2)) && 445 !dev->no_uld_attach) { 446 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 447 || !aac->fsa_dev[sdev_id(dev)].valid) 448 ++num_lsu; 449 } else 450 ++num_one; 451 } 452 if (num_lsu == 0) 453 ++num_lsu; 454 depth = (host->can_queue - num_one) / num_lsu; 455 if (depth > 256) 456 depth = 256; 457 else if (depth < 2) 458 depth = 2; 459 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 460 } else 461 scsi_adjust_queue_depth(sdev, 0, 1); 462 463 return 0; 464 } 465 466 /** 467 * aac_change_queue_depth - alter queue depths 468 * @sdev: SCSI device we are considering 469 * @depth: desired queue depth 470 * 471 * Alters queue depths for target device based on the host adapter's 472 * total capacity and the queue depth supported by the target device. 473 */ 474 475 static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 476 { 477 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 478 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 479 struct scsi_device * dev; 480 struct Scsi_Host *host = sdev->host; 481 unsigned num = 0; 482 483 __shost_for_each_device(dev, host) { 484 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 485 (sdev_channel(dev) == CONTAINER_CHANNEL)) 486 ++num; 487 ++num; 488 } 489 if (num >= host->can_queue) 490 num = host->can_queue - 1; 491 if (depth > (host->can_queue - num)) 492 depth = host->can_queue - num; 493 if (depth > 256) 494 depth = 256; 495 else if (depth < 2) 496 depth = 2; 497 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 498 } else 499 scsi_adjust_queue_depth(sdev, 0, 1); 500 return sdev->queue_depth; 501 } 502 503 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 504 { 505 struct scsi_device *sdev = to_scsi_device(dev); 506 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 507 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 508 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 509 ? "Hidden\n" : 510 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 511 return snprintf(buf, PAGE_SIZE, "%s\n", 512 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 513 } 514 515 static struct device_attribute aac_raid_level_attr = { 516 .attr = { 517 .name = "level", 518 .mode = S_IRUGO, 519 }, 520 .show = aac_show_raid_level 521 }; 522 523 static struct device_attribute *aac_dev_attrs[] = { 524 &aac_raid_level_attr, 525 NULL, 526 }; 527 528 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 529 { 530 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 531 if (!capable(CAP_SYS_RAWIO)) 532 return -EPERM; 533 return aac_do_ioctl(dev, cmd, arg); 534 } 535 536 static int aac_eh_abort(struct scsi_cmnd* cmd) 537 { 538 struct scsi_device * dev = cmd->device; 539 struct Scsi_Host * host = dev->host; 540 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 541 int count; 542 int ret = FAILED; 543 544 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 545 AAC_DRIVERNAME, 546 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 547 switch (cmd->cmnd[0]) { 548 case SERVICE_ACTION_IN: 549 if (!(aac->raw_io_interface) || 550 !(aac->raw_io_64) || 551 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 552 break; 553 case INQUIRY: 554 case READ_CAPACITY: 555 /* Mark associated FIB to not complete, eh handler does this */ 556 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 557 struct fib * fib = &aac->fibs[count]; 558 if (fib->hw_fib_va->header.XferState && 559 (fib->flags & FIB_CONTEXT_FLAG) && 560 (fib->callback_data == cmd)) { 561 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 562 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 563 ret = SUCCESS; 564 } 565 } 566 break; 567 case TEST_UNIT_READY: 568 /* Mark associated FIB to not complete, eh handler does this */ 569 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 570 struct scsi_cmnd * command; 571 struct fib * fib = &aac->fibs[count]; 572 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && 573 (fib->flags & FIB_CONTEXT_FLAG) && 574 ((command = fib->callback_data)) && 575 (command->device == cmd->device)) { 576 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 577 command->SCp.phase = AAC_OWNER_ERROR_HANDLER; 578 if (command == cmd) 579 ret = SUCCESS; 580 } 581 } 582 } 583 return ret; 584 } 585 586 /* 587 * aac_eh_reset - Reset command handling 588 * @scsi_cmd: SCSI command block causing the reset 589 * 590 */ 591 static int aac_eh_reset(struct scsi_cmnd* cmd) 592 { 593 struct scsi_device * dev = cmd->device; 594 struct Scsi_Host * host = dev->host; 595 struct scsi_cmnd * command; 596 int count; 597 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 598 unsigned long flags; 599 600 /* Mark the associated FIB to not complete, eh handler does this */ 601 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 602 struct fib * fib = &aac->fibs[count]; 603 if (fib->hw_fib_va->header.XferState && 604 (fib->flags & FIB_CONTEXT_FLAG) && 605 (fib->callback_data == cmd)) { 606 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 607 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 608 } 609 } 610 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 611 AAC_DRIVERNAME); 612 613 if ((count = aac_check_health(aac))) 614 return count; 615 /* 616 * Wait for all commands to complete to this specific 617 * target (block maximum 60 seconds). 618 */ 619 for (count = 60; count; --count) { 620 int active = aac->in_reset; 621 622 if (active == 0) 623 __shost_for_each_device(dev, host) { 624 spin_lock_irqsave(&dev->list_lock, flags); 625 list_for_each_entry(command, &dev->cmd_list, list) { 626 if ((command != cmd) && 627 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 628 active++; 629 break; 630 } 631 } 632 spin_unlock_irqrestore(&dev->list_lock, flags); 633 if (active) 634 break; 635 636 } 637 /* 638 * We can exit If all the commands are complete 639 */ 640 if (active == 0) 641 return SUCCESS; 642 ssleep(1); 643 } 644 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 645 /* 646 * This adapter needs a blind reset, only do so for Adapters that 647 * support a register, instead of a commanded, reset. 648 */ 649 if ((aac->supplement_adapter_info.SupportedOptions2 & 650 AAC_OPTION_MU_RESET) && 651 aac_check_reset && 652 ((aac_check_reset != 1) || 653 !(aac->supplement_adapter_info.SupportedOptions2 & 654 AAC_OPTION_IGNORE_RESET))) 655 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 656 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 657 } 658 659 /** 660 * aac_cfg_open - open a configuration file 661 * @inode: inode being opened 662 * @file: file handle attached 663 * 664 * Called when the configuration device is opened. Does the needed 665 * set up on the handle and then returns 666 * 667 * Bugs: This needs extending to check a given adapter is present 668 * so we can support hot plugging, and to ref count adapters. 669 */ 670 671 static int aac_cfg_open(struct inode *inode, struct file *file) 672 { 673 struct aac_dev *aac; 674 unsigned minor_number = iminor(inode); 675 int err = -ENODEV; 676 677 lock_kernel(); /* BKL pushdown: nothing else protects this list */ 678 list_for_each_entry(aac, &aac_devices, entry) { 679 if (aac->id == minor_number) { 680 file->private_data = aac; 681 err = 0; 682 break; 683 } 684 } 685 unlock_kernel(); 686 687 return err; 688 } 689 690 /** 691 * aac_cfg_ioctl - AAC configuration request 692 * @inode: inode of device 693 * @file: file handle 694 * @cmd: ioctl command code 695 * @arg: argument 696 * 697 * Handles a configuration ioctl. Currently this involves wrapping it 698 * up and feeding it into the nasty windowsalike glue layer. 699 * 700 * Bugs: Needs locking against parallel ioctls lower down 701 * Bugs: Needs to handle hot plugging 702 */ 703 704 static int aac_cfg_ioctl(struct inode *inode, struct file *file, 705 unsigned int cmd, unsigned long arg) 706 { 707 if (!capable(CAP_SYS_RAWIO)) 708 return -EPERM; 709 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 710 } 711 712 #ifdef CONFIG_COMPAT 713 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 714 { 715 long ret; 716 lock_kernel(); 717 switch (cmd) { 718 case FSACTL_MINIPORT_REV_CHECK: 719 case FSACTL_SENDFIB: 720 case FSACTL_OPEN_GET_ADAPTER_FIB: 721 case FSACTL_CLOSE_GET_ADAPTER_FIB: 722 case FSACTL_SEND_RAW_SRB: 723 case FSACTL_GET_PCI_INFO: 724 case FSACTL_QUERY_DISK: 725 case FSACTL_DELETE_DISK: 726 case FSACTL_FORCE_DELETE_DISK: 727 case FSACTL_GET_CONTAINERS: 728 case FSACTL_SEND_LARGE_FIB: 729 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 730 break; 731 732 case FSACTL_GET_NEXT_ADAPTER_FIB: { 733 struct fib_ioctl __user *f; 734 735 f = compat_alloc_user_space(sizeof(*f)); 736 ret = 0; 737 if (clear_user(f, sizeof(*f))) 738 ret = -EFAULT; 739 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 740 ret = -EFAULT; 741 if (!ret) 742 ret = aac_do_ioctl(dev, cmd, f); 743 break; 744 } 745 746 default: 747 ret = -ENOIOCTLCMD; 748 break; 749 } 750 unlock_kernel(); 751 return ret; 752 } 753 754 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 755 { 756 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 757 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 758 } 759 760 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 761 { 762 if (!capable(CAP_SYS_RAWIO)) 763 return -EPERM; 764 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 765 } 766 #endif 767 768 static ssize_t aac_show_model(struct device *device, 769 struct device_attribute *attr, char *buf) 770 { 771 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 772 int len; 773 774 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 775 char * cp = dev->supplement_adapter_info.AdapterTypeText; 776 while (*cp && *cp != ' ') 777 ++cp; 778 while (*cp == ' ') 779 ++cp; 780 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 781 } else 782 len = snprintf(buf, PAGE_SIZE, "%s\n", 783 aac_drivers[dev->cardtype].model); 784 return len; 785 } 786 787 static ssize_t aac_show_vendor(struct device *device, 788 struct device_attribute *attr, char *buf) 789 { 790 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 791 int len; 792 793 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 794 char * cp = dev->supplement_adapter_info.AdapterTypeText; 795 while (*cp && *cp != ' ') 796 ++cp; 797 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 798 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 799 dev->supplement_adapter_info.AdapterTypeText); 800 } else 801 len = snprintf(buf, PAGE_SIZE, "%s\n", 802 aac_drivers[dev->cardtype].vname); 803 return len; 804 } 805 806 static ssize_t aac_show_flags(struct device *cdev, 807 struct device_attribute *attr, char *buf) 808 { 809 int len = 0; 810 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 811 812 if (nblank(dprintk(x))) 813 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 814 #ifdef AAC_DETAILED_STATUS_INFO 815 len += snprintf(buf + len, PAGE_SIZE - len, 816 "AAC_DETAILED_STATUS_INFO\n"); 817 #endif 818 if (dev->raw_io_interface && dev->raw_io_64) 819 len += snprintf(buf + len, PAGE_SIZE - len, 820 "SAI_READ_CAPACITY_16\n"); 821 if (dev->jbod) 822 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 823 if (dev->supplement_adapter_info.SupportedOptions2 & 824 AAC_OPTION_POWER_MANAGEMENT) 825 len += snprintf(buf + len, PAGE_SIZE - len, 826 "SUPPORTED_POWER_MANAGEMENT\n"); 827 if (dev->msi) 828 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 829 return len; 830 } 831 832 static ssize_t aac_show_kernel_version(struct device *device, 833 struct device_attribute *attr, 834 char *buf) 835 { 836 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 837 int len, tmp; 838 839 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 840 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 841 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 842 le32_to_cpu(dev->adapter_info.kernelbuild)); 843 return len; 844 } 845 846 static ssize_t aac_show_monitor_version(struct device *device, 847 struct device_attribute *attr, 848 char *buf) 849 { 850 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 851 int len, tmp; 852 853 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 854 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 855 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 856 le32_to_cpu(dev->adapter_info.monitorbuild)); 857 return len; 858 } 859 860 static ssize_t aac_show_bios_version(struct device *device, 861 struct device_attribute *attr, 862 char *buf) 863 { 864 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 865 int len, tmp; 866 867 tmp = le32_to_cpu(dev->adapter_info.biosrev); 868 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 869 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 870 le32_to_cpu(dev->adapter_info.biosbuild)); 871 return len; 872 } 873 874 static ssize_t aac_show_serial_number(struct device *device, 875 struct device_attribute *attr, char *buf) 876 { 877 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 878 int len = 0; 879 880 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 881 len = snprintf(buf, PAGE_SIZE, "%06X\n", 882 le32_to_cpu(dev->adapter_info.serial[0])); 883 if (len && 884 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 885 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], 886 buf, len-1)) 887 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 888 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 889 dev->supplement_adapter_info.MfgPcbaSerialNo); 890 return len; 891 } 892 893 static ssize_t aac_show_max_channel(struct device *device, 894 struct device_attribute *attr, char *buf) 895 { 896 return snprintf(buf, PAGE_SIZE, "%d\n", 897 class_to_shost(device)->max_channel); 898 } 899 900 static ssize_t aac_show_max_id(struct device *device, 901 struct device_attribute *attr, char *buf) 902 { 903 return snprintf(buf, PAGE_SIZE, "%d\n", 904 class_to_shost(device)->max_id); 905 } 906 907 static ssize_t aac_store_reset_adapter(struct device *device, 908 struct device_attribute *attr, 909 const char *buf, size_t count) 910 { 911 int retval = -EACCES; 912 913 if (!capable(CAP_SYS_ADMIN)) 914 return retval; 915 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!'); 916 if (retval >= 0) 917 retval = count; 918 return retval; 919 } 920 921 static ssize_t aac_show_reset_adapter(struct device *device, 922 struct device_attribute *attr, 923 char *buf) 924 { 925 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 926 int len, tmp; 927 928 tmp = aac_adapter_check_health(dev); 929 if ((tmp == 0) && dev->in_reset) 930 tmp = -EBUSY; 931 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 932 return len; 933 } 934 935 static struct device_attribute aac_model = { 936 .attr = { 937 .name = "model", 938 .mode = S_IRUGO, 939 }, 940 .show = aac_show_model, 941 }; 942 static struct device_attribute aac_vendor = { 943 .attr = { 944 .name = "vendor", 945 .mode = S_IRUGO, 946 }, 947 .show = aac_show_vendor, 948 }; 949 static struct device_attribute aac_flags = { 950 .attr = { 951 .name = "flags", 952 .mode = S_IRUGO, 953 }, 954 .show = aac_show_flags, 955 }; 956 static struct device_attribute aac_kernel_version = { 957 .attr = { 958 .name = "hba_kernel_version", 959 .mode = S_IRUGO, 960 }, 961 .show = aac_show_kernel_version, 962 }; 963 static struct device_attribute aac_monitor_version = { 964 .attr = { 965 .name = "hba_monitor_version", 966 .mode = S_IRUGO, 967 }, 968 .show = aac_show_monitor_version, 969 }; 970 static struct device_attribute aac_bios_version = { 971 .attr = { 972 .name = "hba_bios_version", 973 .mode = S_IRUGO, 974 }, 975 .show = aac_show_bios_version, 976 }; 977 static struct device_attribute aac_serial_number = { 978 .attr = { 979 .name = "serial_number", 980 .mode = S_IRUGO, 981 }, 982 .show = aac_show_serial_number, 983 }; 984 static struct device_attribute aac_max_channel = { 985 .attr = { 986 .name = "max_channel", 987 .mode = S_IRUGO, 988 }, 989 .show = aac_show_max_channel, 990 }; 991 static struct device_attribute aac_max_id = { 992 .attr = { 993 .name = "max_id", 994 .mode = S_IRUGO, 995 }, 996 .show = aac_show_max_id, 997 }; 998 static struct device_attribute aac_reset = { 999 .attr = { 1000 .name = "reset_host", 1001 .mode = S_IWUSR|S_IRUGO, 1002 }, 1003 .store = aac_store_reset_adapter, 1004 .show = aac_show_reset_adapter, 1005 }; 1006 1007 static struct device_attribute *aac_attrs[] = { 1008 &aac_model, 1009 &aac_vendor, 1010 &aac_flags, 1011 &aac_kernel_version, 1012 &aac_monitor_version, 1013 &aac_bios_version, 1014 &aac_serial_number, 1015 &aac_max_channel, 1016 &aac_max_id, 1017 &aac_reset, 1018 NULL 1019 }; 1020 1021 ssize_t aac_get_serial_number(struct device *device, char *buf) 1022 { 1023 return aac_show_serial_number(device, &aac_serial_number, buf); 1024 } 1025 1026 static const struct file_operations aac_cfg_fops = { 1027 .owner = THIS_MODULE, 1028 .ioctl = aac_cfg_ioctl, 1029 #ifdef CONFIG_COMPAT 1030 .compat_ioctl = aac_compat_cfg_ioctl, 1031 #endif 1032 .open = aac_cfg_open, 1033 }; 1034 1035 static struct scsi_host_template aac_driver_template = { 1036 .module = THIS_MODULE, 1037 .name = "AAC", 1038 .proc_name = AAC_DRIVERNAME, 1039 .info = aac_info, 1040 .ioctl = aac_ioctl, 1041 #ifdef CONFIG_COMPAT 1042 .compat_ioctl = aac_compat_ioctl, 1043 #endif 1044 .queuecommand = aac_queuecommand, 1045 .bios_param = aac_biosparm, 1046 .shost_attrs = aac_attrs, 1047 .slave_configure = aac_slave_configure, 1048 .change_queue_depth = aac_change_queue_depth, 1049 .sdev_attrs = aac_dev_attrs, 1050 .eh_abort_handler = aac_eh_abort, 1051 .eh_host_reset_handler = aac_eh_reset, 1052 .can_queue = AAC_NUM_IO_FIB, 1053 .this_id = MAXIMUM_NUM_CONTAINERS, 1054 .sg_tablesize = 16, 1055 .max_sectors = 128, 1056 #if (AAC_NUM_IO_FIB > 256) 1057 .cmd_per_lun = 256, 1058 #else 1059 .cmd_per_lun = AAC_NUM_IO_FIB, 1060 #endif 1061 .use_clustering = ENABLE_CLUSTERING, 1062 .emulated = 1, 1063 }; 1064 1065 static void __aac_shutdown(struct aac_dev * aac) 1066 { 1067 if (aac->aif_thread) 1068 kthread_stop(aac->thread); 1069 aac_send_shutdown(aac); 1070 aac_adapter_disable_int(aac); 1071 free_irq(aac->pdev->irq, aac); 1072 if (aac->msi) 1073 pci_disable_msi(aac->pdev); 1074 } 1075 1076 static int __devinit aac_probe_one(struct pci_dev *pdev, 1077 const struct pci_device_id *id) 1078 { 1079 unsigned index = id->driver_data; 1080 struct Scsi_Host *shost; 1081 struct aac_dev *aac; 1082 struct list_head *insert = &aac_devices; 1083 int error = -ENODEV; 1084 int unique_id = 0; 1085 1086 list_for_each_entry(aac, &aac_devices, entry) { 1087 if (aac->id > unique_id) 1088 break; 1089 insert = &aac->entry; 1090 unique_id++; 1091 } 1092 1093 error = pci_enable_device(pdev); 1094 if (error) 1095 goto out; 1096 error = -ENODEV; 1097 1098 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) || 1099 pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) 1100 goto out_disable_pdev; 1101 /* 1102 * If the quirk31 bit is set, the adapter needs adapter 1103 * to driver communication memory to be allocated below 2gig 1104 */ 1105 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1106 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(31)) || 1107 pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(31))) 1108 goto out_disable_pdev; 1109 1110 pci_set_master(pdev); 1111 1112 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1113 if (!shost) 1114 goto out_disable_pdev; 1115 1116 shost->irq = pdev->irq; 1117 shost->base = pci_resource_start(pdev, 0); 1118 shost->unique_id = unique_id; 1119 shost->max_cmd_len = 16; 1120 1121 aac = (struct aac_dev *)shost->hostdata; 1122 aac->scsi_host_ptr = shost; 1123 aac->pdev = pdev; 1124 aac->name = aac_driver_template.name; 1125 aac->id = shost->unique_id; 1126 aac->cardtype = index; 1127 INIT_LIST_HEAD(&aac->entry); 1128 1129 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1130 if (!aac->fibs) 1131 goto out_free_host; 1132 spin_lock_init(&aac->fib_lock); 1133 1134 /* 1135 * Map in the registers from the adapter. 1136 */ 1137 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1138 if ((*aac_drivers[index].init)(aac)) 1139 goto out_unmap; 1140 1141 /* 1142 * Start any kernel threads needed 1143 */ 1144 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1145 if (IS_ERR(aac->thread)) { 1146 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1147 error = PTR_ERR(aac->thread); 1148 goto out_deinit; 1149 } 1150 1151 /* 1152 * If we had set a smaller DMA mask earlier, set it to 4gig 1153 * now since the adapter can dma data to at least a 4gig 1154 * address space. 1155 */ 1156 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1157 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) 1158 goto out_deinit; 1159 1160 aac->maximum_num_channels = aac_drivers[index].channels; 1161 error = aac_get_adapter_info(aac); 1162 if (error < 0) 1163 goto out_deinit; 1164 1165 /* 1166 * Lets override negotiations and drop the maximum SG limit to 34 1167 */ 1168 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1169 (shost->sg_tablesize > 34)) { 1170 shost->sg_tablesize = 34; 1171 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1172 } 1173 1174 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1175 (shost->sg_tablesize > 17)) { 1176 shost->sg_tablesize = 17; 1177 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1178 } 1179 1180 error = pci_set_dma_max_seg_size(pdev, 1181 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? 1182 (shost->max_sectors << 9) : 65536); 1183 if (error) 1184 goto out_deinit; 1185 1186 /* 1187 * Firmware printf works only with older firmware. 1188 */ 1189 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1190 aac->printf_enabled = 1; 1191 else 1192 aac->printf_enabled = 0; 1193 1194 /* 1195 * max channel will be the physical channels plus 1 virtual channel 1196 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1197 * physical channels are address by their actual physical number+1 1198 */ 1199 if (aac->nondasd_support || expose_physicals || aac->jbod) 1200 shost->max_channel = aac->maximum_num_channels; 1201 else 1202 shost->max_channel = 0; 1203 1204 aac_get_config_status(aac, 0); 1205 aac_get_containers(aac); 1206 list_add(&aac->entry, insert); 1207 1208 shost->max_id = aac->maximum_num_containers; 1209 if (shost->max_id < aac->maximum_num_physicals) 1210 shost->max_id = aac->maximum_num_physicals; 1211 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1212 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1213 else 1214 shost->this_id = shost->max_id; 1215 1216 /* 1217 * dmb - we may need to move the setting of these parms somewhere else once 1218 * we get a fib that can report the actual numbers 1219 */ 1220 shost->max_lun = AAC_MAX_LUN; 1221 1222 pci_set_drvdata(pdev, shost); 1223 1224 error = scsi_add_host(shost, &pdev->dev); 1225 if (error) 1226 goto out_deinit; 1227 scsi_scan_host(shost); 1228 1229 return 0; 1230 1231 out_deinit: 1232 __aac_shutdown(aac); 1233 out_unmap: 1234 aac_fib_map_free(aac); 1235 if (aac->comm_addr) 1236 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1237 aac->comm_phys); 1238 kfree(aac->queues); 1239 aac_adapter_ioremap(aac, 0); 1240 kfree(aac->fibs); 1241 kfree(aac->fsa_dev); 1242 out_free_host: 1243 scsi_host_put(shost); 1244 out_disable_pdev: 1245 pci_disable_device(pdev); 1246 out: 1247 return error; 1248 } 1249 1250 static void aac_shutdown(struct pci_dev *dev) 1251 { 1252 struct Scsi_Host *shost = pci_get_drvdata(dev); 1253 scsi_block_requests(shost); 1254 __aac_shutdown((struct aac_dev *)shost->hostdata); 1255 } 1256 1257 static void __devexit aac_remove_one(struct pci_dev *pdev) 1258 { 1259 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1260 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1261 1262 scsi_remove_host(shost); 1263 1264 __aac_shutdown(aac); 1265 aac_fib_map_free(aac); 1266 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1267 aac->comm_phys); 1268 kfree(aac->queues); 1269 1270 aac_adapter_ioremap(aac, 0); 1271 1272 kfree(aac->fibs); 1273 kfree(aac->fsa_dev); 1274 1275 list_del(&aac->entry); 1276 scsi_host_put(shost); 1277 pci_disable_device(pdev); 1278 if (list_empty(&aac_devices)) { 1279 unregister_chrdev(aac_cfg_major, "aac"); 1280 aac_cfg_major = -1; 1281 } 1282 } 1283 1284 static struct pci_driver aac_pci_driver = { 1285 .name = AAC_DRIVERNAME, 1286 .id_table = aac_pci_tbl, 1287 .probe = aac_probe_one, 1288 .remove = __devexit_p(aac_remove_one), 1289 .shutdown = aac_shutdown, 1290 }; 1291 1292 static int __init aac_init(void) 1293 { 1294 int error; 1295 1296 printk(KERN_INFO "Adaptec %s driver %s\n", 1297 AAC_DRIVERNAME, aac_driver_version); 1298 1299 error = pci_register_driver(&aac_pci_driver); 1300 if (error < 0) 1301 return error; 1302 1303 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1304 if (aac_cfg_major < 0) { 1305 printk(KERN_WARNING 1306 "aacraid: unable to register \"aac\" device.\n"); 1307 } 1308 1309 return 0; 1310 } 1311 1312 static void __exit aac_exit(void) 1313 { 1314 if (aac_cfg_major > -1) 1315 unregister_chrdev(aac_cfg_major, "aac"); 1316 pci_unregister_driver(&aac_pci_driver); 1317 } 1318 1319 module_init(aac_init); 1320 module_exit(aac_exit); 1321