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) 2000-2010 Adaptec, Inc. 9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2, or (at your option) 14 * any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; see the file COPYING. If not, write to 23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 24 * 25 * Module Name: 26 * linit.c 27 * 28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 29 */ 30 31 32 #include <linux/compat.h> 33 #include <linux/blkdev.h> 34 #include <linux/completion.h> 35 #include <linux/init.h> 36 #include <linux/interrupt.h> 37 #include <linux/kernel.h> 38 #include <linux/module.h> 39 #include <linux/moduleparam.h> 40 #include <linux/pci.h> 41 #include <linux/slab.h> 42 #include <linux/mutex.h> 43 #include <linux/spinlock.h> 44 #include <linux/syscalls.h> 45 #include <linux/delay.h> 46 #include <linux/kthread.h> 47 48 #include <scsi/scsi.h> 49 #include <scsi/scsi_cmnd.h> 50 #include <scsi/scsi_device.h> 51 #include <scsi/scsi_host.h> 52 #include <scsi/scsi_tcq.h> 53 #include <scsi/scsicam.h> 54 #include <scsi/scsi_eh.h> 55 56 #include "aacraid.h" 57 58 #define AAC_DRIVER_VERSION "1.1-7" 59 #ifndef AAC_DRIVER_BRANCH 60 #define AAC_DRIVER_BRANCH "" 61 #endif 62 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__ 63 #define AAC_DRIVERNAME "aacraid" 64 65 #ifdef AAC_DRIVER_BUILD 66 #define _str(x) #x 67 #define str(x) _str(x) 68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 69 #else 70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE 71 #endif 72 73 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 74 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 75 "Adaptec Advanced Raid Products, " 76 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 77 MODULE_LICENSE("GPL"); 78 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 79 80 static DEFINE_MUTEX(aac_mutex); 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 #ifdef DECLARE_PCI_DEVICE_TABLE 92 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = { 93 #elif defined(__devinitconst) 94 static const struct pci_device_id aac_pci_tbl[] __devinitconst = { 95 #else 96 static const struct pci_device_id aac_pci_tbl[] __devinitdata = { 97 #endif 98 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 99 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 100 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 101 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 102 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 103 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 104 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 105 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 106 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 107 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 108 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 109 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 110 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 111 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 112 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 113 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 114 115 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 116 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 117 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 118 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 119 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 120 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 121 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 122 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 123 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 124 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 125 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 126 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 127 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 128 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 129 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 130 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 131 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 132 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 133 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 134 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 135 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 136 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 137 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 138 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 139 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 140 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 141 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 142 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 143 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 144 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 145 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 146 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 147 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 148 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 149 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 150 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 151 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 152 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 153 154 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 155 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 156 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 157 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 158 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 159 160 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 161 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 162 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 163 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 164 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 165 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Catch All */ 166 { 0,} 167 }; 168 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 169 170 /* 171 * dmb - For now we add the number of channels to this structure. 172 * In the future we should add a fib that reports the number of channels 173 * for the card. At that time we can remove the channels from here 174 */ 175 static struct aac_driver_ident aac_drivers[] = { 176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 183 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 184 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 188 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 189 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 190 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 191 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 192 193 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 194 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 195 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 197 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 198 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 200 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 201 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 202 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 203 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 204 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 205 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 206 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 207 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 208 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 209 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 210 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 211 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 215 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 219 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 221 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 222 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 223 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 224 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 226 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 227 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 228 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 229 230 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 231 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 232 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 233 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 234 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 235 236 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 237 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 238 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 239 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 240 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ 241 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Catch All */ 242 }; 243 244 /** 245 * aac_queuecommand - queue a SCSI command 246 * @cmd: SCSI command to queue 247 * @done: Function to call on command completion 248 * 249 * Queues a command for execution by the associated Host Adapter. 250 * 251 * TODO: unify with aac_scsi_cmd(). 252 */ 253 254 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 255 { 256 struct Scsi_Host *host = cmd->device->host; 257 struct aac_dev *dev = (struct aac_dev *)host->hostdata; 258 u32 count = 0; 259 cmd->scsi_done = done; 260 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 261 struct fib * fib = &dev->fibs[count]; 262 struct scsi_cmnd * command; 263 if (fib->hw_fib_va->header.XferState && 264 ((command = fib->callback_data)) && 265 (command == cmd) && 266 (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) 267 return 0; /* Already owned by Adapter */ 268 } 269 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 270 return (aac_scsi_cmd(cmd) ? FAILED : 0); 271 } 272 273 static DEF_SCSI_QCMD(aac_queuecommand) 274 275 /** 276 * aac_info - Returns the host adapter name 277 * @shost: Scsi host to report on 278 * 279 * Returns a static string describing the device in question 280 */ 281 282 static const char *aac_info(struct Scsi_Host *shost) 283 { 284 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 285 return aac_drivers[dev->cardtype].name; 286 } 287 288 /** 289 * aac_get_driver_ident 290 * @devtype: index into lookup table 291 * 292 * Returns a pointer to the entry in the driver lookup table. 293 */ 294 295 struct aac_driver_ident* aac_get_driver_ident(int devtype) 296 { 297 return &aac_drivers[devtype]; 298 } 299 300 /** 301 * aac_biosparm - return BIOS parameters for disk 302 * @sdev: The scsi device corresponding to the disk 303 * @bdev: the block device corresponding to the disk 304 * @capacity: the sector capacity of the disk 305 * @geom: geometry block to fill in 306 * 307 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 308 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 309 * number of cylinders so as not to exceed drive capacity. In order for 310 * disks equal to or larger than 1 GB to be addressable by the BIOS 311 * without exceeding the BIOS limitation of 1024 cylinders, Extended 312 * Translation should be enabled. With Extended Translation enabled, 313 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 314 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 315 * are given a disk geometry of 255 heads and 63 sectors. However, if 316 * the BIOS detects that the Extended Translation setting does not match 317 * the geometry in the partition table, then the translation inferred 318 * from the partition table will be used by the BIOS, and a warning may 319 * be displayed. 320 */ 321 322 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 323 sector_t capacity, int *geom) 324 { 325 struct diskparm *param = (struct diskparm *)geom; 326 unsigned char *buf; 327 328 dprintk((KERN_DEBUG "aac_biosparm.\n")); 329 330 /* 331 * Assuming extended translation is enabled - #REVISIT# 332 */ 333 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 334 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 335 param->heads = 255; 336 param->sectors = 63; 337 } else { 338 param->heads = 128; 339 param->sectors = 32; 340 } 341 } else { 342 param->heads = 64; 343 param->sectors = 32; 344 } 345 346 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 347 348 /* 349 * Read the first 1024 bytes from the disk device, if the boot 350 * sector partition table is valid, search for a partition table 351 * entry whose end_head matches one of the standard geometry 352 * translations ( 64/32, 128/32, 255/63 ). 353 */ 354 buf = scsi_bios_ptable(bdev); 355 if (!buf) 356 return 0; 357 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 358 struct partition *first = (struct partition * )buf; 359 struct partition *entry = first; 360 int saved_cylinders = param->cylinders; 361 int num; 362 unsigned char end_head, end_sec; 363 364 for(num = 0; num < 4; num++) { 365 end_head = entry->end_head; 366 end_sec = entry->end_sector & 0x3f; 367 368 if(end_head == 63) { 369 param->heads = 64; 370 param->sectors = 32; 371 break; 372 } else if(end_head == 127) { 373 param->heads = 128; 374 param->sectors = 32; 375 break; 376 } else if(end_head == 254) { 377 param->heads = 255; 378 param->sectors = 63; 379 break; 380 } 381 entry++; 382 } 383 384 if (num == 4) { 385 end_head = first->end_head; 386 end_sec = first->end_sector & 0x3f; 387 } 388 389 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 390 if (num < 4 && end_sec == param->sectors) { 391 if (param->cylinders != saved_cylinders) 392 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 393 param->heads, param->sectors, num)); 394 } else if (end_head > 0 || end_sec > 0) { 395 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 396 end_head + 1, end_sec, num)); 397 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 398 param->heads, param->sectors)); 399 } 400 } 401 kfree(buf); 402 return 0; 403 } 404 405 /** 406 * aac_slave_configure - compute queue depths 407 * @sdev: SCSI device we are considering 408 * 409 * Selects queue depths for each target device based on the host adapter's 410 * total capacity and the queue depth supported by the target device. 411 * A queue depth of one automatically disables tagged queueing. 412 */ 413 414 static int aac_slave_configure(struct scsi_device *sdev) 415 { 416 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 417 if (aac->jbod && (sdev->type == TYPE_DISK)) 418 sdev->removable = 1; 419 if ((sdev->type == TYPE_DISK) && 420 (sdev_channel(sdev) != CONTAINER_CHANNEL) && 421 (!aac->jbod || sdev->inq_periph_qual) && 422 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 423 if (expose_physicals == 0) 424 return -ENXIO; 425 if (expose_physicals < 0) 426 sdev->no_uld_attach = 1; 427 } 428 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 429 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && 430 !sdev->no_uld_attach) { 431 struct scsi_device * dev; 432 struct Scsi_Host *host = sdev->host; 433 unsigned num_lsu = 0; 434 unsigned num_one = 0; 435 unsigned depth; 436 unsigned cid; 437 438 /* 439 * Firmware has an individual device recovery time typically 440 * of 35 seconds, give us a margin. 441 */ 442 if (sdev->request_queue->rq_timeout < (45 * HZ)) 443 blk_queue_rq_timeout(sdev->request_queue, 45*HZ); 444 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 445 if (aac->fsa_dev[cid].valid) 446 ++num_lsu; 447 __shost_for_each_device(dev, host) { 448 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 449 (!aac->raid_scsi_mode || 450 (sdev_channel(sdev) != 2)) && 451 !dev->no_uld_attach) { 452 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 453 || !aac->fsa_dev[sdev_id(dev)].valid) 454 ++num_lsu; 455 } else 456 ++num_one; 457 } 458 if (num_lsu == 0) 459 ++num_lsu; 460 depth = (host->can_queue - num_one) / num_lsu; 461 if (depth > 256) 462 depth = 256; 463 else if (depth < 2) 464 depth = 2; 465 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 466 } else 467 scsi_adjust_queue_depth(sdev, 0, 1); 468 469 return 0; 470 } 471 472 /** 473 * aac_change_queue_depth - alter queue depths 474 * @sdev: SCSI device we are considering 475 * @depth: desired queue depth 476 * 477 * Alters queue depths for target device based on the host adapter's 478 * total capacity and the queue depth supported by the target device. 479 */ 480 481 static int aac_change_queue_depth(struct scsi_device *sdev, int depth, 482 int reason) 483 { 484 if (reason != SCSI_QDEPTH_DEFAULT) 485 return -EOPNOTSUPP; 486 487 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 488 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 489 struct scsi_device * dev; 490 struct Scsi_Host *host = sdev->host; 491 unsigned num = 0; 492 493 __shost_for_each_device(dev, host) { 494 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 495 (sdev_channel(dev) == CONTAINER_CHANNEL)) 496 ++num; 497 ++num; 498 } 499 if (num >= host->can_queue) 500 num = host->can_queue - 1; 501 if (depth > (host->can_queue - num)) 502 depth = host->can_queue - num; 503 if (depth > 256) 504 depth = 256; 505 else if (depth < 2) 506 depth = 2; 507 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 508 } else 509 scsi_adjust_queue_depth(sdev, 0, 1); 510 return sdev->queue_depth; 511 } 512 513 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 514 { 515 struct scsi_device *sdev = to_scsi_device(dev); 516 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 517 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 518 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 519 ? "Hidden\n" : 520 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 521 return snprintf(buf, PAGE_SIZE, "%s\n", 522 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 523 } 524 525 static struct device_attribute aac_raid_level_attr = { 526 .attr = { 527 .name = "level", 528 .mode = S_IRUGO, 529 }, 530 .show = aac_show_raid_level 531 }; 532 533 static struct device_attribute *aac_dev_attrs[] = { 534 &aac_raid_level_attr, 535 NULL, 536 }; 537 538 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 539 { 540 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 541 if (!capable(CAP_SYS_RAWIO)) 542 return -EPERM; 543 return aac_do_ioctl(dev, cmd, arg); 544 } 545 546 static int aac_eh_abort(struct scsi_cmnd* cmd) 547 { 548 struct scsi_device * dev = cmd->device; 549 struct Scsi_Host * host = dev->host; 550 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 551 int count; 552 int ret = FAILED; 553 554 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 555 AAC_DRIVERNAME, 556 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 557 switch (cmd->cmnd[0]) { 558 case SERVICE_ACTION_IN: 559 if (!(aac->raw_io_interface) || 560 !(aac->raw_io_64) || 561 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 562 break; 563 case INQUIRY: 564 case READ_CAPACITY: 565 /* Mark associated FIB to not complete, eh handler does this */ 566 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 567 struct fib * fib = &aac->fibs[count]; 568 if (fib->hw_fib_va->header.XferState && 569 (fib->flags & FIB_CONTEXT_FLAG) && 570 (fib->callback_data == cmd)) { 571 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 572 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 573 ret = SUCCESS; 574 } 575 } 576 break; 577 case TEST_UNIT_READY: 578 /* Mark associated FIB to not complete, eh handler does this */ 579 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 580 struct scsi_cmnd * command; 581 struct fib * fib = &aac->fibs[count]; 582 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && 583 (fib->flags & FIB_CONTEXT_FLAG) && 584 ((command = fib->callback_data)) && 585 (command->device == cmd->device)) { 586 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 587 command->SCp.phase = AAC_OWNER_ERROR_HANDLER; 588 if (command == cmd) 589 ret = SUCCESS; 590 } 591 } 592 } 593 return ret; 594 } 595 596 /* 597 * aac_eh_reset - Reset command handling 598 * @scsi_cmd: SCSI command block causing the reset 599 * 600 */ 601 static int aac_eh_reset(struct scsi_cmnd* cmd) 602 { 603 struct scsi_device * dev = cmd->device; 604 struct Scsi_Host * host = dev->host; 605 struct scsi_cmnd * command; 606 int count; 607 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 608 unsigned long flags; 609 610 /* Mark the associated FIB to not complete, eh handler does this */ 611 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 612 struct fib * fib = &aac->fibs[count]; 613 if (fib->hw_fib_va->header.XferState && 614 (fib->flags & FIB_CONTEXT_FLAG) && 615 (fib->callback_data == cmd)) { 616 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 617 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 618 } 619 } 620 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 621 AAC_DRIVERNAME); 622 623 if ((count = aac_check_health(aac))) 624 return count; 625 /* 626 * Wait for all commands to complete to this specific 627 * target (block maximum 60 seconds). 628 */ 629 for (count = 60; count; --count) { 630 int active = aac->in_reset; 631 632 if (active == 0) 633 __shost_for_each_device(dev, host) { 634 spin_lock_irqsave(&dev->list_lock, flags); 635 list_for_each_entry(command, &dev->cmd_list, list) { 636 if ((command != cmd) && 637 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 638 active++; 639 break; 640 } 641 } 642 spin_unlock_irqrestore(&dev->list_lock, flags); 643 if (active) 644 break; 645 646 } 647 /* 648 * We can exit If all the commands are complete 649 */ 650 if (active == 0) 651 return SUCCESS; 652 ssleep(1); 653 } 654 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 655 /* 656 * This adapter needs a blind reset, only do so for Adapters that 657 * support a register, instead of a commanded, reset. 658 */ 659 if (((aac->supplement_adapter_info.SupportedOptions2 & 660 AAC_OPTION_MU_RESET) || 661 (aac->supplement_adapter_info.SupportedOptions2 & 662 AAC_OPTION_DOORBELL_RESET)) && 663 aac_check_reset && 664 ((aac_check_reset != 1) || 665 !(aac->supplement_adapter_info.SupportedOptions2 & 666 AAC_OPTION_IGNORE_RESET))) 667 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 668 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 669 } 670 671 /** 672 * aac_cfg_open - open a configuration file 673 * @inode: inode being opened 674 * @file: file handle attached 675 * 676 * Called when the configuration device is opened. Does the needed 677 * set up on the handle and then returns 678 * 679 * Bugs: This needs extending to check a given adapter is present 680 * so we can support hot plugging, and to ref count adapters. 681 */ 682 683 static int aac_cfg_open(struct inode *inode, struct file *file) 684 { 685 struct aac_dev *aac; 686 unsigned minor_number = iminor(inode); 687 int err = -ENODEV; 688 689 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 690 list_for_each_entry(aac, &aac_devices, entry) { 691 if (aac->id == minor_number) { 692 file->private_data = aac; 693 err = 0; 694 break; 695 } 696 } 697 mutex_unlock(&aac_mutex); 698 699 return err; 700 } 701 702 /** 703 * aac_cfg_ioctl - AAC configuration request 704 * @inode: inode of device 705 * @file: file handle 706 * @cmd: ioctl command code 707 * @arg: argument 708 * 709 * Handles a configuration ioctl. Currently this involves wrapping it 710 * up and feeding it into the nasty windowsalike glue layer. 711 * 712 * Bugs: Needs locking against parallel ioctls lower down 713 * Bugs: Needs to handle hot plugging 714 */ 715 716 static long aac_cfg_ioctl(struct file *file, 717 unsigned int cmd, unsigned long arg) 718 { 719 int ret; 720 if (!capable(CAP_SYS_RAWIO)) 721 return -EPERM; 722 mutex_lock(&aac_mutex); 723 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 724 mutex_unlock(&aac_mutex); 725 726 return ret; 727 } 728 729 #ifdef CONFIG_COMPAT 730 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 731 { 732 long ret; 733 mutex_lock(&aac_mutex); 734 switch (cmd) { 735 case FSACTL_MINIPORT_REV_CHECK: 736 case FSACTL_SENDFIB: 737 case FSACTL_OPEN_GET_ADAPTER_FIB: 738 case FSACTL_CLOSE_GET_ADAPTER_FIB: 739 case FSACTL_SEND_RAW_SRB: 740 case FSACTL_GET_PCI_INFO: 741 case FSACTL_QUERY_DISK: 742 case FSACTL_DELETE_DISK: 743 case FSACTL_FORCE_DELETE_DISK: 744 case FSACTL_GET_CONTAINERS: 745 case FSACTL_SEND_LARGE_FIB: 746 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 747 break; 748 749 case FSACTL_GET_NEXT_ADAPTER_FIB: { 750 struct fib_ioctl __user *f; 751 752 f = compat_alloc_user_space(sizeof(*f)); 753 ret = 0; 754 if (clear_user(f, sizeof(*f))) 755 ret = -EFAULT; 756 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 757 ret = -EFAULT; 758 if (!ret) 759 ret = aac_do_ioctl(dev, cmd, f); 760 break; 761 } 762 763 default: 764 ret = -ENOIOCTLCMD; 765 break; 766 } 767 mutex_unlock(&aac_mutex); 768 return ret; 769 } 770 771 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 772 { 773 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 774 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 775 } 776 777 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 778 { 779 if (!capable(CAP_SYS_RAWIO)) 780 return -EPERM; 781 return aac_compat_do_ioctl(file->private_data, cmd, arg); 782 } 783 #endif 784 785 static ssize_t aac_show_model(struct device *device, 786 struct device_attribute *attr, char *buf) 787 { 788 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 789 int len; 790 791 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 792 char * cp = dev->supplement_adapter_info.AdapterTypeText; 793 while (*cp && *cp != ' ') 794 ++cp; 795 while (*cp == ' ') 796 ++cp; 797 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 798 } else 799 len = snprintf(buf, PAGE_SIZE, "%s\n", 800 aac_drivers[dev->cardtype].model); 801 return len; 802 } 803 804 static ssize_t aac_show_vendor(struct device *device, 805 struct device_attribute *attr, char *buf) 806 { 807 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 808 int len; 809 810 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 811 char * cp = dev->supplement_adapter_info.AdapterTypeText; 812 while (*cp && *cp != ' ') 813 ++cp; 814 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 815 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 816 dev->supplement_adapter_info.AdapterTypeText); 817 } else 818 len = snprintf(buf, PAGE_SIZE, "%s\n", 819 aac_drivers[dev->cardtype].vname); 820 return len; 821 } 822 823 static ssize_t aac_show_flags(struct device *cdev, 824 struct device_attribute *attr, char *buf) 825 { 826 int len = 0; 827 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 828 829 if (nblank(dprintk(x))) 830 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 831 #ifdef AAC_DETAILED_STATUS_INFO 832 len += snprintf(buf + len, PAGE_SIZE - len, 833 "AAC_DETAILED_STATUS_INFO\n"); 834 #endif 835 if (dev->raw_io_interface && dev->raw_io_64) 836 len += snprintf(buf + len, PAGE_SIZE - len, 837 "SAI_READ_CAPACITY_16\n"); 838 if (dev->jbod) 839 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 840 if (dev->supplement_adapter_info.SupportedOptions2 & 841 AAC_OPTION_POWER_MANAGEMENT) 842 len += snprintf(buf + len, PAGE_SIZE - len, 843 "SUPPORTED_POWER_MANAGEMENT\n"); 844 if (dev->msi) 845 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 846 return len; 847 } 848 849 static ssize_t aac_show_kernel_version(struct device *device, 850 struct device_attribute *attr, 851 char *buf) 852 { 853 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 854 int len, tmp; 855 856 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 857 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 858 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 859 le32_to_cpu(dev->adapter_info.kernelbuild)); 860 return len; 861 } 862 863 static ssize_t aac_show_monitor_version(struct device *device, 864 struct device_attribute *attr, 865 char *buf) 866 { 867 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 868 int len, tmp; 869 870 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 871 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 872 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 873 le32_to_cpu(dev->adapter_info.monitorbuild)); 874 return len; 875 } 876 877 static ssize_t aac_show_bios_version(struct device *device, 878 struct device_attribute *attr, 879 char *buf) 880 { 881 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 882 int len, tmp; 883 884 tmp = le32_to_cpu(dev->adapter_info.biosrev); 885 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 886 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 887 le32_to_cpu(dev->adapter_info.biosbuild)); 888 return len; 889 } 890 891 static ssize_t aac_show_serial_number(struct device *device, 892 struct device_attribute *attr, char *buf) 893 { 894 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 895 int len = 0; 896 897 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 898 len = snprintf(buf, PAGE_SIZE, "%06X\n", 899 le32_to_cpu(dev->adapter_info.serial[0])); 900 if (len && 901 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 902 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], 903 buf, len-1)) 904 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 905 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 906 dev->supplement_adapter_info.MfgPcbaSerialNo); 907 return len; 908 } 909 910 static ssize_t aac_show_max_channel(struct device *device, 911 struct device_attribute *attr, char *buf) 912 { 913 return snprintf(buf, PAGE_SIZE, "%d\n", 914 class_to_shost(device)->max_channel); 915 } 916 917 static ssize_t aac_show_max_id(struct device *device, 918 struct device_attribute *attr, char *buf) 919 { 920 return snprintf(buf, PAGE_SIZE, "%d\n", 921 class_to_shost(device)->max_id); 922 } 923 924 static ssize_t aac_store_reset_adapter(struct device *device, 925 struct device_attribute *attr, 926 const char *buf, size_t count) 927 { 928 int retval = -EACCES; 929 930 if (!capable(CAP_SYS_ADMIN)) 931 return retval; 932 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!'); 933 if (retval >= 0) 934 retval = count; 935 return retval; 936 } 937 938 static ssize_t aac_show_reset_adapter(struct device *device, 939 struct device_attribute *attr, 940 char *buf) 941 { 942 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 943 int len, tmp; 944 945 tmp = aac_adapter_check_health(dev); 946 if ((tmp == 0) && dev->in_reset) 947 tmp = -EBUSY; 948 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 949 return len; 950 } 951 952 static struct device_attribute aac_model = { 953 .attr = { 954 .name = "model", 955 .mode = S_IRUGO, 956 }, 957 .show = aac_show_model, 958 }; 959 static struct device_attribute aac_vendor = { 960 .attr = { 961 .name = "vendor", 962 .mode = S_IRUGO, 963 }, 964 .show = aac_show_vendor, 965 }; 966 static struct device_attribute aac_flags = { 967 .attr = { 968 .name = "flags", 969 .mode = S_IRUGO, 970 }, 971 .show = aac_show_flags, 972 }; 973 static struct device_attribute aac_kernel_version = { 974 .attr = { 975 .name = "hba_kernel_version", 976 .mode = S_IRUGO, 977 }, 978 .show = aac_show_kernel_version, 979 }; 980 static struct device_attribute aac_monitor_version = { 981 .attr = { 982 .name = "hba_monitor_version", 983 .mode = S_IRUGO, 984 }, 985 .show = aac_show_monitor_version, 986 }; 987 static struct device_attribute aac_bios_version = { 988 .attr = { 989 .name = "hba_bios_version", 990 .mode = S_IRUGO, 991 }, 992 .show = aac_show_bios_version, 993 }; 994 static struct device_attribute aac_serial_number = { 995 .attr = { 996 .name = "serial_number", 997 .mode = S_IRUGO, 998 }, 999 .show = aac_show_serial_number, 1000 }; 1001 static struct device_attribute aac_max_channel = { 1002 .attr = { 1003 .name = "max_channel", 1004 .mode = S_IRUGO, 1005 }, 1006 .show = aac_show_max_channel, 1007 }; 1008 static struct device_attribute aac_max_id = { 1009 .attr = { 1010 .name = "max_id", 1011 .mode = S_IRUGO, 1012 }, 1013 .show = aac_show_max_id, 1014 }; 1015 static struct device_attribute aac_reset = { 1016 .attr = { 1017 .name = "reset_host", 1018 .mode = S_IWUSR|S_IRUGO, 1019 }, 1020 .store = aac_store_reset_adapter, 1021 .show = aac_show_reset_adapter, 1022 }; 1023 1024 static struct device_attribute *aac_attrs[] = { 1025 &aac_model, 1026 &aac_vendor, 1027 &aac_flags, 1028 &aac_kernel_version, 1029 &aac_monitor_version, 1030 &aac_bios_version, 1031 &aac_serial_number, 1032 &aac_max_channel, 1033 &aac_max_id, 1034 &aac_reset, 1035 NULL 1036 }; 1037 1038 ssize_t aac_get_serial_number(struct device *device, char *buf) 1039 { 1040 return aac_show_serial_number(device, &aac_serial_number, buf); 1041 } 1042 1043 static const struct file_operations aac_cfg_fops = { 1044 .owner = THIS_MODULE, 1045 .unlocked_ioctl = aac_cfg_ioctl, 1046 #ifdef CONFIG_COMPAT 1047 .compat_ioctl = aac_compat_cfg_ioctl, 1048 #endif 1049 .open = aac_cfg_open, 1050 .llseek = noop_llseek, 1051 }; 1052 1053 static struct scsi_host_template aac_driver_template = { 1054 .module = THIS_MODULE, 1055 .name = "AAC", 1056 .proc_name = AAC_DRIVERNAME, 1057 .info = aac_info, 1058 .ioctl = aac_ioctl, 1059 #ifdef CONFIG_COMPAT 1060 .compat_ioctl = aac_compat_ioctl, 1061 #endif 1062 .queuecommand = aac_queuecommand, 1063 .bios_param = aac_biosparm, 1064 .shost_attrs = aac_attrs, 1065 .slave_configure = aac_slave_configure, 1066 .change_queue_depth = aac_change_queue_depth, 1067 .sdev_attrs = aac_dev_attrs, 1068 .eh_abort_handler = aac_eh_abort, 1069 .eh_host_reset_handler = aac_eh_reset, 1070 .can_queue = AAC_NUM_IO_FIB, 1071 .this_id = MAXIMUM_NUM_CONTAINERS, 1072 .sg_tablesize = 16, 1073 .max_sectors = 128, 1074 #if (AAC_NUM_IO_FIB > 256) 1075 .cmd_per_lun = 256, 1076 #else 1077 .cmd_per_lun = AAC_NUM_IO_FIB, 1078 #endif 1079 .use_clustering = ENABLE_CLUSTERING, 1080 .emulated = 1, 1081 }; 1082 1083 static void __aac_shutdown(struct aac_dev * aac) 1084 { 1085 if (aac->aif_thread) 1086 kthread_stop(aac->thread); 1087 aac_send_shutdown(aac); 1088 aac_adapter_disable_int(aac); 1089 free_irq(aac->pdev->irq, aac); 1090 if (aac->msi) 1091 pci_disable_msi(aac->pdev); 1092 } 1093 1094 static int __devinit aac_probe_one(struct pci_dev *pdev, 1095 const struct pci_device_id *id) 1096 { 1097 unsigned index = id->driver_data; 1098 struct Scsi_Host *shost; 1099 struct aac_dev *aac; 1100 struct list_head *insert = &aac_devices; 1101 int error = -ENODEV; 1102 int unique_id = 0; 1103 u64 dmamask; 1104 1105 list_for_each_entry(aac, &aac_devices, entry) { 1106 if (aac->id > unique_id) 1107 break; 1108 insert = &aac->entry; 1109 unique_id++; 1110 } 1111 1112 error = pci_enable_device(pdev); 1113 if (error) 1114 goto out; 1115 error = -ENODEV; 1116 1117 /* 1118 * If the quirk31 bit is set, the adapter needs adapter 1119 * to driver communication memory to be allocated below 2gig 1120 */ 1121 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1122 dmamask = DMA_BIT_MASK(31); 1123 else 1124 dmamask = DMA_BIT_MASK(32); 1125 1126 if (pci_set_dma_mask(pdev, dmamask) || 1127 pci_set_consistent_dma_mask(pdev, dmamask)) 1128 goto out_disable_pdev; 1129 1130 pci_set_master(pdev); 1131 1132 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1133 if (!shost) 1134 goto out_disable_pdev; 1135 1136 shost->irq = pdev->irq; 1137 shost->base = pci_resource_start(pdev, 0); 1138 shost->unique_id = unique_id; 1139 shost->max_cmd_len = 16; 1140 1141 aac = (struct aac_dev *)shost->hostdata; 1142 aac->scsi_host_ptr = shost; 1143 aac->pdev = pdev; 1144 aac->name = aac_driver_template.name; 1145 aac->id = shost->unique_id; 1146 aac->cardtype = index; 1147 INIT_LIST_HEAD(&aac->entry); 1148 1149 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1150 if (!aac->fibs) 1151 goto out_free_host; 1152 spin_lock_init(&aac->fib_lock); 1153 1154 /* 1155 * Map in the registers from the adapter. 1156 */ 1157 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1158 if ((*aac_drivers[index].init)(aac)) 1159 goto out_unmap; 1160 1161 /* 1162 * Start any kernel threads needed 1163 */ 1164 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1165 if (IS_ERR(aac->thread)) { 1166 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1167 error = PTR_ERR(aac->thread); 1168 goto out_deinit; 1169 } 1170 1171 /* 1172 * If we had set a smaller DMA mask earlier, set it to 4gig 1173 * now since the adapter can dma data to at least a 4gig 1174 * address space. 1175 */ 1176 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1177 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) 1178 goto out_deinit; 1179 1180 aac->maximum_num_channels = aac_drivers[index].channels; 1181 error = aac_get_adapter_info(aac); 1182 if (error < 0) 1183 goto out_deinit; 1184 1185 /* 1186 * Lets override negotiations and drop the maximum SG limit to 34 1187 */ 1188 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1189 (shost->sg_tablesize > 34)) { 1190 shost->sg_tablesize = 34; 1191 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1192 } 1193 1194 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1195 (shost->sg_tablesize > 17)) { 1196 shost->sg_tablesize = 17; 1197 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1198 } 1199 1200 error = pci_set_dma_max_seg_size(pdev, 1201 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? 1202 (shost->max_sectors << 9) : 65536); 1203 if (error) 1204 goto out_deinit; 1205 1206 /* 1207 * Firmware printf works only with older firmware. 1208 */ 1209 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1210 aac->printf_enabled = 1; 1211 else 1212 aac->printf_enabled = 0; 1213 1214 /* 1215 * max channel will be the physical channels plus 1 virtual channel 1216 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1217 * physical channels are address by their actual physical number+1 1218 */ 1219 if (aac->nondasd_support || expose_physicals || aac->jbod) 1220 shost->max_channel = aac->maximum_num_channels; 1221 else 1222 shost->max_channel = 0; 1223 1224 aac_get_config_status(aac, 0); 1225 aac_get_containers(aac); 1226 list_add(&aac->entry, insert); 1227 1228 shost->max_id = aac->maximum_num_containers; 1229 if (shost->max_id < aac->maximum_num_physicals) 1230 shost->max_id = aac->maximum_num_physicals; 1231 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1232 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1233 else 1234 shost->this_id = shost->max_id; 1235 1236 /* 1237 * dmb - we may need to move the setting of these parms somewhere else once 1238 * we get a fib that can report the actual numbers 1239 */ 1240 shost->max_lun = AAC_MAX_LUN; 1241 1242 pci_set_drvdata(pdev, shost); 1243 1244 error = scsi_add_host(shost, &pdev->dev); 1245 if (error) 1246 goto out_deinit; 1247 scsi_scan_host(shost); 1248 1249 return 0; 1250 1251 out_deinit: 1252 __aac_shutdown(aac); 1253 out_unmap: 1254 aac_fib_map_free(aac); 1255 if (aac->comm_addr) 1256 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1257 aac->comm_phys); 1258 kfree(aac->queues); 1259 aac_adapter_ioremap(aac, 0); 1260 kfree(aac->fibs); 1261 kfree(aac->fsa_dev); 1262 out_free_host: 1263 scsi_host_put(shost); 1264 out_disable_pdev: 1265 pci_disable_device(pdev); 1266 out: 1267 return error; 1268 } 1269 1270 static void aac_shutdown(struct pci_dev *dev) 1271 { 1272 struct Scsi_Host *shost = pci_get_drvdata(dev); 1273 scsi_block_requests(shost); 1274 __aac_shutdown((struct aac_dev *)shost->hostdata); 1275 } 1276 1277 static void __devexit aac_remove_one(struct pci_dev *pdev) 1278 { 1279 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1280 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1281 1282 scsi_remove_host(shost); 1283 1284 __aac_shutdown(aac); 1285 aac_fib_map_free(aac); 1286 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1287 aac->comm_phys); 1288 kfree(aac->queues); 1289 1290 aac_adapter_ioremap(aac, 0); 1291 1292 kfree(aac->fibs); 1293 kfree(aac->fsa_dev); 1294 1295 list_del(&aac->entry); 1296 scsi_host_put(shost); 1297 pci_disable_device(pdev); 1298 if (list_empty(&aac_devices)) { 1299 unregister_chrdev(aac_cfg_major, "aac"); 1300 aac_cfg_major = -1; 1301 } 1302 } 1303 1304 static struct pci_driver aac_pci_driver = { 1305 .name = AAC_DRIVERNAME, 1306 .id_table = aac_pci_tbl, 1307 .probe = aac_probe_one, 1308 .remove = __devexit_p(aac_remove_one), 1309 .shutdown = aac_shutdown, 1310 }; 1311 1312 static int __init aac_init(void) 1313 { 1314 int error; 1315 1316 printk(KERN_INFO "Adaptec %s driver %s\n", 1317 AAC_DRIVERNAME, aac_driver_version); 1318 1319 error = pci_register_driver(&aac_pci_driver); 1320 if (error < 0) 1321 return error; 1322 1323 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1324 if (aac_cfg_major < 0) { 1325 printk(KERN_WARNING 1326 "aacraid: unable to register \"aac\" device.\n"); 1327 } 1328 1329 return 0; 1330 } 1331 1332 static void __exit aac_exit(void) 1333 { 1334 if (aac_cfg_major > -1) 1335 unregister_chrdev(aac_cfg_major, "aac"); 1336 pci_unregister_driver(&aac_pci_driver); 1337 } 1338 1339 module_init(aac_init); 1340 module_exit(aac_exit); 1341