1 /* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> 4 * 5 * based on the old aacraid driver that is.. 6 * Adaptec aacraid device driver for Linux. 7 * 8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com) 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2, or (at your option) 13 * any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; see the file COPYING. If not, write to 22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 23 * 24 * Module Name: 25 * linit.c 26 * 27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 28 */ 29 30 31 #include <linux/compat.h> 32 #include <linux/blkdev.h> 33 #include <linux/completion.h> 34 #include <linux/init.h> 35 #include <linux/interrupt.h> 36 #include <linux/kernel.h> 37 #include <linux/module.h> 38 #include <linux/moduleparam.h> 39 #include <linux/pci.h> 40 #include <linux/slab.h> 41 #include <linux/spinlock.h> 42 #include <linux/syscalls.h> 43 #include <linux/delay.h> 44 #include <linux/kthread.h> 45 46 #include <scsi/scsi.h> 47 #include <scsi/scsi_cmnd.h> 48 #include <scsi/scsi_device.h> 49 #include <scsi/scsi_host.h> 50 #include <scsi/scsi_tcq.h> 51 #include <scsi/scsicam.h> 52 #include <scsi/scsi_eh.h> 53 54 #include "aacraid.h" 55 56 #define AAC_DRIVER_VERSION "1.1-5" 57 #ifndef AAC_DRIVER_BRANCH 58 #define AAC_DRIVER_BRANCH "" 59 #endif 60 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__ 61 #define AAC_DRIVERNAME "aacraid" 62 63 #ifdef AAC_DRIVER_BUILD 64 #define _str(x) #x 65 #define str(x) _str(x) 66 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 67 #else 68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE 69 #endif 70 71 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 72 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 73 "Adaptec Advanced Raid Products, " 74 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 75 MODULE_LICENSE("GPL"); 76 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 77 78 static LIST_HEAD(aac_devices); 79 static int aac_cfg_major = -1; 80 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 81 82 /* 83 * Because of the way Linux names scsi devices, the order in this table has 84 * become important. Check for on-board Raid first, add-in cards second. 85 * 86 * Note: The last field is used to index into aac_drivers below. 87 */ 88 static struct pci_device_id aac_pci_tbl[] = { 89 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 90 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 91 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 92 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 93 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 94 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 95 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 96 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 97 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 98 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 99 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 100 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 101 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 102 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 103 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 104 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 105 106 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 107 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 108 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 109 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 110 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 111 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 112 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 113 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 114 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 115 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 116 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 117 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 118 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 120 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 121 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 122 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 123 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 124 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 125 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 126 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 127 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 128 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 129 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 130 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 131 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 132 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 133 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 134 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 135 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 136 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 137 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 138 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 139 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 140 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 141 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 142 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 143 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 144 145 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 146 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 147 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 148 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 149 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 150 151 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 152 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 153 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 154 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 155 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 156 { 0,} 157 }; 158 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 159 160 /* 161 * dmb - For now we add the number of channels to this structure. 162 * In the future we should add a fib that reports the number of channels 163 * for the card. At that time we can remove the channels from here 164 */ 165 static struct aac_driver_ident aac_drivers[] = { 166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 175 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 176 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 180 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 181 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 182 183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 187 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 188 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 189 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 192 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 194 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 195 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 196 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 197 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 198 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 199 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 200 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 201 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 205 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 206 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 208 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 212 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 213 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 214 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 218 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 219 220 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 221 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 222 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 223 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 224 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 225 226 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 227 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 228 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 229 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 230 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */ 231 }; 232 233 /** 234 * aac_queuecommand - queue a SCSI command 235 * @cmd: SCSI command to queue 236 * @done: Function to call on command completion 237 * 238 * Queues a command for execution by the associated Host Adapter. 239 * 240 * TODO: unify with aac_scsi_cmd(). 241 */ 242 243 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 244 { 245 struct Scsi_Host *host = cmd->device->host; 246 struct aac_dev *dev = (struct aac_dev *)host->hostdata; 247 u32 count = 0; 248 cmd->scsi_done = done; 249 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 250 struct fib * fib = &dev->fibs[count]; 251 struct scsi_cmnd * command; 252 if (fib->hw_fib_va->header.XferState && 253 ((command = fib->callback_data)) && 254 (command == cmd) && 255 (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) 256 return 0; /* Already owned by Adapter */ 257 } 258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 259 return (aac_scsi_cmd(cmd) ? FAILED : 0); 260 } 261 262 /** 263 * aac_info - Returns the host adapter name 264 * @shost: Scsi host to report on 265 * 266 * Returns a static string describing the device in question 267 */ 268 269 static const char *aac_info(struct Scsi_Host *shost) 270 { 271 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 272 return aac_drivers[dev->cardtype].name; 273 } 274 275 /** 276 * aac_get_driver_ident 277 * @devtype: index into lookup table 278 * 279 * Returns a pointer to the entry in the driver lookup table. 280 */ 281 282 struct aac_driver_ident* aac_get_driver_ident(int devtype) 283 { 284 return &aac_drivers[devtype]; 285 } 286 287 /** 288 * aac_biosparm - return BIOS parameters for disk 289 * @sdev: The scsi device corresponding to the disk 290 * @bdev: the block device corresponding to the disk 291 * @capacity: the sector capacity of the disk 292 * @geom: geometry block to fill in 293 * 294 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 295 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 296 * number of cylinders so as not to exceed drive capacity. In order for 297 * disks equal to or larger than 1 GB to be addressable by the BIOS 298 * without exceeding the BIOS limitation of 1024 cylinders, Extended 299 * Translation should be enabled. With Extended Translation enabled, 300 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 301 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 302 * are given a disk geometry of 255 heads and 63 sectors. However, if 303 * the BIOS detects that the Extended Translation setting does not match 304 * the geometry in the partition table, then the translation inferred 305 * from the partition table will be used by the BIOS, and a warning may 306 * be displayed. 307 */ 308 309 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 310 sector_t capacity, int *geom) 311 { 312 struct diskparm *param = (struct diskparm *)geom; 313 unsigned char *buf; 314 315 dprintk((KERN_DEBUG "aac_biosparm.\n")); 316 317 /* 318 * Assuming extended translation is enabled - #REVISIT# 319 */ 320 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 321 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 322 param->heads = 255; 323 param->sectors = 63; 324 } else { 325 param->heads = 128; 326 param->sectors = 32; 327 } 328 } else { 329 param->heads = 64; 330 param->sectors = 32; 331 } 332 333 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 334 335 /* 336 * Read the first 1024 bytes from the disk device, if the boot 337 * sector partition table is valid, search for a partition table 338 * entry whose end_head matches one of the standard geometry 339 * translations ( 64/32, 128/32, 255/63 ). 340 */ 341 buf = scsi_bios_ptable(bdev); 342 if (!buf) 343 return 0; 344 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 345 struct partition *first = (struct partition * )buf; 346 struct partition *entry = first; 347 int saved_cylinders = param->cylinders; 348 int num; 349 unsigned char end_head, end_sec; 350 351 for(num = 0; num < 4; num++) { 352 end_head = entry->end_head; 353 end_sec = entry->end_sector & 0x3f; 354 355 if(end_head == 63) { 356 param->heads = 64; 357 param->sectors = 32; 358 break; 359 } else if(end_head == 127) { 360 param->heads = 128; 361 param->sectors = 32; 362 break; 363 } else if(end_head == 254) { 364 param->heads = 255; 365 param->sectors = 63; 366 break; 367 } 368 entry++; 369 } 370 371 if (num == 4) { 372 end_head = first->end_head; 373 end_sec = first->end_sector & 0x3f; 374 } 375 376 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 377 if (num < 4 && end_sec == param->sectors) { 378 if (param->cylinders != saved_cylinders) 379 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 380 param->heads, param->sectors, num)); 381 } else if (end_head > 0 || end_sec > 0) { 382 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 383 end_head + 1, end_sec, num)); 384 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 385 param->heads, param->sectors)); 386 } 387 } 388 kfree(buf); 389 return 0; 390 } 391 392 /** 393 * aac_slave_configure - compute queue depths 394 * @sdev: SCSI device we are considering 395 * 396 * Selects queue depths for each target device based on the host adapter's 397 * total capacity and the queue depth supported by the target device. 398 * A queue depth of one automatically disables tagged queueing. 399 */ 400 401 static int aac_slave_configure(struct scsi_device *sdev) 402 { 403 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 404 if ((sdev->type == TYPE_DISK) && 405 (sdev_channel(sdev) != CONTAINER_CHANNEL) && 406 (!aac->jbod || sdev->inq_periph_qual) && 407 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 408 if (expose_physicals == 0) 409 return -ENXIO; 410 if (expose_physicals < 0) 411 sdev->no_uld_attach = 1; 412 } 413 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 414 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && 415 !sdev->no_uld_attach) { 416 struct scsi_device * dev; 417 struct Scsi_Host *host = sdev->host; 418 unsigned num_lsu = 0; 419 unsigned num_one = 0; 420 unsigned depth; 421 unsigned cid; 422 423 /* 424 * Firmware has an individual device recovery time typically 425 * of 35 seconds, give us a margin. 426 */ 427 if (sdev->timeout < (45 * HZ)) 428 sdev->timeout = 45 * HZ; 429 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 430 if (aac->fsa_dev[cid].valid) 431 ++num_lsu; 432 __shost_for_each_device(dev, host) { 433 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 434 (!aac->raid_scsi_mode || 435 (sdev_channel(sdev) != 2)) && 436 !dev->no_uld_attach) { 437 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 438 || !aac->fsa_dev[sdev_id(dev)].valid) 439 ++num_lsu; 440 } else 441 ++num_one; 442 } 443 if (num_lsu == 0) 444 ++num_lsu; 445 depth = (host->can_queue - num_one) / num_lsu; 446 if (depth > 256) 447 depth = 256; 448 else if (depth < 2) 449 depth = 2; 450 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 451 } else 452 scsi_adjust_queue_depth(sdev, 0, 1); 453 454 return 0; 455 } 456 457 /** 458 * aac_change_queue_depth - alter queue depths 459 * @sdev: SCSI device we are considering 460 * @depth: desired queue depth 461 * 462 * Alters queue depths for target device based on the host adapter's 463 * total capacity and the queue depth supported by the target device. 464 */ 465 466 static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 467 { 468 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 469 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 470 struct scsi_device * dev; 471 struct Scsi_Host *host = sdev->host; 472 unsigned num = 0; 473 474 __shost_for_each_device(dev, host) { 475 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 476 (sdev_channel(dev) == CONTAINER_CHANNEL)) 477 ++num; 478 ++num; 479 } 480 if (num >= host->can_queue) 481 num = host->can_queue - 1; 482 if (depth > (host->can_queue - num)) 483 depth = host->can_queue - num; 484 if (depth > 256) 485 depth = 256; 486 else if (depth < 2) 487 depth = 2; 488 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 489 } else 490 scsi_adjust_queue_depth(sdev, 0, 1); 491 return sdev->queue_depth; 492 } 493 494 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 495 { 496 struct scsi_device *sdev = to_scsi_device(dev); 497 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 498 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 499 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 500 ? "Hidden\n" : 501 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 502 return snprintf(buf, PAGE_SIZE, "%s\n", 503 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 504 } 505 506 static struct device_attribute aac_raid_level_attr = { 507 .attr = { 508 .name = "level", 509 .mode = S_IRUGO, 510 }, 511 .show = aac_show_raid_level 512 }; 513 514 static struct device_attribute *aac_dev_attrs[] = { 515 &aac_raid_level_attr, 516 NULL, 517 }; 518 519 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 520 { 521 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 522 if (!capable(CAP_SYS_RAWIO)) 523 return -EPERM; 524 return aac_do_ioctl(dev, cmd, arg); 525 } 526 527 static int aac_eh_abort(struct scsi_cmnd* cmd) 528 { 529 struct scsi_device * dev = cmd->device; 530 struct Scsi_Host * host = dev->host; 531 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 532 int count; 533 int ret = FAILED; 534 535 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 536 AAC_DRIVERNAME, 537 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 538 switch (cmd->cmnd[0]) { 539 case SERVICE_ACTION_IN: 540 if (!(aac->raw_io_interface) || 541 !(aac->raw_io_64) || 542 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 543 break; 544 case INQUIRY: 545 case READ_CAPACITY: 546 /* Mark associated FIB to not complete, eh handler does this */ 547 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 548 struct fib * fib = &aac->fibs[count]; 549 if (fib->hw_fib_va->header.XferState && 550 (fib->flags & FIB_CONTEXT_FLAG) && 551 (fib->callback_data == cmd)) { 552 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 553 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 554 ret = SUCCESS; 555 } 556 } 557 break; 558 case TEST_UNIT_READY: 559 /* Mark associated FIB to not complete, eh handler does this */ 560 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 561 struct scsi_cmnd * command; 562 struct fib * fib = &aac->fibs[count]; 563 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && 564 (fib->flags & FIB_CONTEXT_FLAG) && 565 ((command = fib->callback_data)) && 566 (command->device == cmd->device)) { 567 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 568 command->SCp.phase = AAC_OWNER_ERROR_HANDLER; 569 if (command == cmd) 570 ret = SUCCESS; 571 } 572 } 573 } 574 return ret; 575 } 576 577 /* 578 * aac_eh_reset - Reset command handling 579 * @scsi_cmd: SCSI command block causing the reset 580 * 581 */ 582 static int aac_eh_reset(struct scsi_cmnd* cmd) 583 { 584 struct scsi_device * dev = cmd->device; 585 struct Scsi_Host * host = dev->host; 586 struct scsi_cmnd * command; 587 int count; 588 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 589 unsigned long flags; 590 591 /* Mark the associated FIB to not complete, eh handler does this */ 592 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 593 struct fib * fib = &aac->fibs[count]; 594 if (fib->hw_fib_va->header.XferState && 595 (fib->flags & FIB_CONTEXT_FLAG) && 596 (fib->callback_data == cmd)) { 597 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 598 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 599 } 600 } 601 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 602 AAC_DRIVERNAME); 603 604 if ((count = aac_check_health(aac))) 605 return count; 606 /* 607 * Wait for all commands to complete to this specific 608 * target (block maximum 60 seconds). 609 */ 610 for (count = 60; count; --count) { 611 int active = aac->in_reset; 612 613 if (active == 0) 614 __shost_for_each_device(dev, host) { 615 spin_lock_irqsave(&dev->list_lock, flags); 616 list_for_each_entry(command, &dev->cmd_list, list) { 617 if ((command != cmd) && 618 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 619 active++; 620 break; 621 } 622 } 623 spin_unlock_irqrestore(&dev->list_lock, flags); 624 if (active) 625 break; 626 627 } 628 /* 629 * We can exit If all the commands are complete 630 */ 631 if (active == 0) 632 return SUCCESS; 633 ssleep(1); 634 } 635 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 636 /* 637 * This adapter needs a blind reset, only do so for Adapters that 638 * support a register, instead of a commanded, reset. 639 */ 640 if ((aac->supplement_adapter_info.SupportedOptions2 & 641 AAC_OPTION_MU_RESET) && 642 aac_check_reset && 643 ((aac_check_reset != 1) || 644 !(aac->supplement_adapter_info.SupportedOptions2 & 645 AAC_OPTION_IGNORE_RESET))) 646 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 647 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 648 } 649 650 /** 651 * aac_cfg_open - open a configuration file 652 * @inode: inode being opened 653 * @file: file handle attached 654 * 655 * Called when the configuration device is opened. Does the needed 656 * set up on the handle and then returns 657 * 658 * Bugs: This needs extending to check a given adapter is present 659 * so we can support hot plugging, and to ref count adapters. 660 */ 661 662 static int aac_cfg_open(struct inode *inode, struct file *file) 663 { 664 struct aac_dev *aac; 665 unsigned minor_number = iminor(inode); 666 int err = -ENODEV; 667 668 list_for_each_entry(aac, &aac_devices, entry) { 669 if (aac->id == minor_number) { 670 file->private_data = aac; 671 err = 0; 672 break; 673 } 674 } 675 676 return err; 677 } 678 679 /** 680 * aac_cfg_ioctl - AAC configuration request 681 * @inode: inode of device 682 * @file: file handle 683 * @cmd: ioctl command code 684 * @arg: argument 685 * 686 * Handles a configuration ioctl. Currently this involves wrapping it 687 * up and feeding it into the nasty windowsalike glue layer. 688 * 689 * Bugs: Needs locking against parallel ioctls lower down 690 * Bugs: Needs to handle hot plugging 691 */ 692 693 static int aac_cfg_ioctl(struct inode *inode, struct file *file, 694 unsigned int cmd, unsigned long arg) 695 { 696 if (!capable(CAP_SYS_RAWIO)) 697 return -EPERM; 698 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 699 } 700 701 #ifdef CONFIG_COMPAT 702 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 703 { 704 long ret; 705 lock_kernel(); 706 switch (cmd) { 707 case FSACTL_MINIPORT_REV_CHECK: 708 case FSACTL_SENDFIB: 709 case FSACTL_OPEN_GET_ADAPTER_FIB: 710 case FSACTL_CLOSE_GET_ADAPTER_FIB: 711 case FSACTL_SEND_RAW_SRB: 712 case FSACTL_GET_PCI_INFO: 713 case FSACTL_QUERY_DISK: 714 case FSACTL_DELETE_DISK: 715 case FSACTL_FORCE_DELETE_DISK: 716 case FSACTL_GET_CONTAINERS: 717 case FSACTL_SEND_LARGE_FIB: 718 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 719 break; 720 721 case FSACTL_GET_NEXT_ADAPTER_FIB: { 722 struct fib_ioctl __user *f; 723 724 f = compat_alloc_user_space(sizeof(*f)); 725 ret = 0; 726 if (clear_user(f, sizeof(*f))) 727 ret = -EFAULT; 728 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 729 ret = -EFAULT; 730 if (!ret) 731 ret = aac_do_ioctl(dev, cmd, f); 732 break; 733 } 734 735 default: 736 ret = -ENOIOCTLCMD; 737 break; 738 } 739 unlock_kernel(); 740 return ret; 741 } 742 743 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 744 { 745 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 746 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 747 } 748 749 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 750 { 751 if (!capable(CAP_SYS_RAWIO)) 752 return -EPERM; 753 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 754 } 755 #endif 756 757 static ssize_t aac_show_model(struct class_device *class_dev, 758 char *buf) 759 { 760 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 761 int len; 762 763 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 764 char * cp = dev->supplement_adapter_info.AdapterTypeText; 765 while (*cp && *cp != ' ') 766 ++cp; 767 while (*cp == ' ') 768 ++cp; 769 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 770 } else 771 len = snprintf(buf, PAGE_SIZE, "%s\n", 772 aac_drivers[dev->cardtype].model); 773 return len; 774 } 775 776 static ssize_t aac_show_vendor(struct class_device *class_dev, 777 char *buf) 778 { 779 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 780 int len; 781 782 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 783 char * cp = dev->supplement_adapter_info.AdapterTypeText; 784 while (*cp && *cp != ' ') 785 ++cp; 786 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 787 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 788 dev->supplement_adapter_info.AdapterTypeText); 789 } else 790 len = snprintf(buf, PAGE_SIZE, "%s\n", 791 aac_drivers[dev->cardtype].vname); 792 return len; 793 } 794 795 static ssize_t aac_show_flags(struct class_device *class_dev, char *buf) 796 { 797 int len = 0; 798 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 799 800 if (nblank(dprintk(x))) 801 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 802 #ifdef AAC_DETAILED_STATUS_INFO 803 len += snprintf(buf + len, PAGE_SIZE - len, 804 "AAC_DETAILED_STATUS_INFO\n"); 805 #endif 806 if (dev->raw_io_interface && dev->raw_io_64) 807 len += snprintf(buf + len, PAGE_SIZE - len, 808 "SAI_READ_CAPACITY_16\n"); 809 if (dev->jbod) 810 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 811 return len; 812 } 813 814 static ssize_t aac_show_kernel_version(struct class_device *class_dev, 815 char *buf) 816 { 817 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 818 int len, tmp; 819 820 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 821 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 822 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 823 le32_to_cpu(dev->adapter_info.kernelbuild)); 824 return len; 825 } 826 827 static ssize_t aac_show_monitor_version(struct class_device *class_dev, 828 char *buf) 829 { 830 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 831 int len, tmp; 832 833 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 834 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 835 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 836 le32_to_cpu(dev->adapter_info.monitorbuild)); 837 return len; 838 } 839 840 static ssize_t aac_show_bios_version(struct class_device *class_dev, 841 char *buf) 842 { 843 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 844 int len, tmp; 845 846 tmp = le32_to_cpu(dev->adapter_info.biosrev); 847 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 848 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 849 le32_to_cpu(dev->adapter_info.biosbuild)); 850 return len; 851 } 852 853 ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf) 854 { 855 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 856 int len = 0; 857 858 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 859 len = snprintf(buf, PAGE_SIZE, "%06X\n", 860 le32_to_cpu(dev->adapter_info.serial[0])); 861 if (len && 862 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 863 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], 864 buf, len-1)) 865 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 866 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 867 dev->supplement_adapter_info.MfgPcbaSerialNo); 868 return len; 869 } 870 871 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 872 { 873 return snprintf(buf, PAGE_SIZE, "%d\n", 874 class_to_shost(class_dev)->max_channel); 875 } 876 877 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 878 { 879 return snprintf(buf, PAGE_SIZE, "%d\n", 880 class_to_shost(class_dev)->max_id); 881 } 882 883 static ssize_t aac_store_reset_adapter(struct class_device *class_dev, 884 const char *buf, size_t count) 885 { 886 int retval = -EACCES; 887 888 if (!capable(CAP_SYS_ADMIN)) 889 return retval; 890 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!'); 891 if (retval >= 0) 892 retval = count; 893 return retval; 894 } 895 896 static ssize_t aac_show_reset_adapter(struct class_device *class_dev, 897 char *buf) 898 { 899 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 900 int len, tmp; 901 902 tmp = aac_adapter_check_health(dev); 903 if ((tmp == 0) && dev->in_reset) 904 tmp = -EBUSY; 905 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 906 return len; 907 } 908 909 static struct class_device_attribute aac_model = { 910 .attr = { 911 .name = "model", 912 .mode = S_IRUGO, 913 }, 914 .show = aac_show_model, 915 }; 916 static struct class_device_attribute aac_vendor = { 917 .attr = { 918 .name = "vendor", 919 .mode = S_IRUGO, 920 }, 921 .show = aac_show_vendor, 922 }; 923 static struct class_device_attribute aac_flags = { 924 .attr = { 925 .name = "flags", 926 .mode = S_IRUGO, 927 }, 928 .show = aac_show_flags, 929 }; 930 static struct class_device_attribute aac_kernel_version = { 931 .attr = { 932 .name = "hba_kernel_version", 933 .mode = S_IRUGO, 934 }, 935 .show = aac_show_kernel_version, 936 }; 937 static struct class_device_attribute aac_monitor_version = { 938 .attr = { 939 .name = "hba_monitor_version", 940 .mode = S_IRUGO, 941 }, 942 .show = aac_show_monitor_version, 943 }; 944 static struct class_device_attribute aac_bios_version = { 945 .attr = { 946 .name = "hba_bios_version", 947 .mode = S_IRUGO, 948 }, 949 .show = aac_show_bios_version, 950 }; 951 static struct class_device_attribute aac_serial_number = { 952 .attr = { 953 .name = "serial_number", 954 .mode = S_IRUGO, 955 }, 956 .show = aac_show_serial_number, 957 }; 958 static struct class_device_attribute aac_max_channel = { 959 .attr = { 960 .name = "max_channel", 961 .mode = S_IRUGO, 962 }, 963 .show = aac_show_max_channel, 964 }; 965 static struct class_device_attribute aac_max_id = { 966 .attr = { 967 .name = "max_id", 968 .mode = S_IRUGO, 969 }, 970 .show = aac_show_max_id, 971 }; 972 static struct class_device_attribute aac_reset = { 973 .attr = { 974 .name = "reset_host", 975 .mode = S_IWUSR|S_IRUGO, 976 }, 977 .store = aac_store_reset_adapter, 978 .show = aac_show_reset_adapter, 979 }; 980 981 static struct class_device_attribute *aac_attrs[] = { 982 &aac_model, 983 &aac_vendor, 984 &aac_flags, 985 &aac_kernel_version, 986 &aac_monitor_version, 987 &aac_bios_version, 988 &aac_serial_number, 989 &aac_max_channel, 990 &aac_max_id, 991 &aac_reset, 992 NULL 993 }; 994 995 996 static const struct file_operations aac_cfg_fops = { 997 .owner = THIS_MODULE, 998 .ioctl = aac_cfg_ioctl, 999 #ifdef CONFIG_COMPAT 1000 .compat_ioctl = aac_compat_cfg_ioctl, 1001 #endif 1002 .open = aac_cfg_open, 1003 }; 1004 1005 static struct scsi_host_template aac_driver_template = { 1006 .module = THIS_MODULE, 1007 .name = "AAC", 1008 .proc_name = AAC_DRIVERNAME, 1009 .info = aac_info, 1010 .ioctl = aac_ioctl, 1011 #ifdef CONFIG_COMPAT 1012 .compat_ioctl = aac_compat_ioctl, 1013 #endif 1014 .queuecommand = aac_queuecommand, 1015 .bios_param = aac_biosparm, 1016 .shost_attrs = aac_attrs, 1017 .slave_configure = aac_slave_configure, 1018 .change_queue_depth = aac_change_queue_depth, 1019 .sdev_attrs = aac_dev_attrs, 1020 .eh_abort_handler = aac_eh_abort, 1021 .eh_host_reset_handler = aac_eh_reset, 1022 .can_queue = AAC_NUM_IO_FIB, 1023 .this_id = MAXIMUM_NUM_CONTAINERS, 1024 .sg_tablesize = 16, 1025 .max_sectors = 128, 1026 #if (AAC_NUM_IO_FIB > 256) 1027 .cmd_per_lun = 256, 1028 #else 1029 .cmd_per_lun = AAC_NUM_IO_FIB, 1030 #endif 1031 .use_clustering = ENABLE_CLUSTERING, 1032 .emulated = 1, 1033 }; 1034 1035 static void __aac_shutdown(struct aac_dev * aac) 1036 { 1037 if (aac->aif_thread) 1038 kthread_stop(aac->thread); 1039 aac_send_shutdown(aac); 1040 aac_adapter_disable_int(aac); 1041 free_irq(aac->pdev->irq, aac); 1042 if (aac->msi) 1043 pci_disable_msi(aac->pdev); 1044 } 1045 1046 static int __devinit aac_probe_one(struct pci_dev *pdev, 1047 const struct pci_device_id *id) 1048 { 1049 unsigned index = id->driver_data; 1050 struct Scsi_Host *shost; 1051 struct aac_dev *aac; 1052 struct list_head *insert = &aac_devices; 1053 int error = -ENODEV; 1054 int unique_id = 0; 1055 1056 list_for_each_entry(aac, &aac_devices, entry) { 1057 if (aac->id > unique_id) 1058 break; 1059 insert = &aac->entry; 1060 unique_id++; 1061 } 1062 1063 error = pci_enable_device(pdev); 1064 if (error) 1065 goto out; 1066 error = -ENODEV; 1067 1068 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 1069 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 1070 goto out_disable_pdev; 1071 /* 1072 * If the quirk31 bit is set, the adapter needs adapter 1073 * to driver communication memory to be allocated below 2gig 1074 */ 1075 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1076 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 1077 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 1078 goto out_disable_pdev; 1079 1080 pci_set_master(pdev); 1081 1082 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1083 if (!shost) 1084 goto out_disable_pdev; 1085 1086 shost->irq = pdev->irq; 1087 shost->base = pci_resource_start(pdev, 0); 1088 shost->unique_id = unique_id; 1089 shost->max_cmd_len = 16; 1090 1091 aac = (struct aac_dev *)shost->hostdata; 1092 aac->scsi_host_ptr = shost; 1093 aac->pdev = pdev; 1094 aac->name = aac_driver_template.name; 1095 aac->id = shost->unique_id; 1096 aac->cardtype = index; 1097 INIT_LIST_HEAD(&aac->entry); 1098 1099 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1100 if (!aac->fibs) 1101 goto out_free_host; 1102 spin_lock_init(&aac->fib_lock); 1103 1104 /* 1105 * Map in the registers from the adapter. 1106 */ 1107 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1108 if ((*aac_drivers[index].init)(aac)) 1109 goto out_unmap; 1110 1111 /* 1112 * Start any kernel threads needed 1113 */ 1114 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1115 if (IS_ERR(aac->thread)) { 1116 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1117 error = PTR_ERR(aac->thread); 1118 goto out_deinit; 1119 } 1120 1121 /* 1122 * If we had set a smaller DMA mask earlier, set it to 4gig 1123 * now since the adapter can dma data to at least a 4gig 1124 * address space. 1125 */ 1126 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1127 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 1128 goto out_deinit; 1129 1130 aac->maximum_num_channels = aac_drivers[index].channels; 1131 error = aac_get_adapter_info(aac); 1132 if (error < 0) 1133 goto out_deinit; 1134 1135 /* 1136 * Lets override negotiations and drop the maximum SG limit to 34 1137 */ 1138 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1139 (shost->sg_tablesize > 34)) { 1140 shost->sg_tablesize = 34; 1141 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1142 } 1143 1144 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1145 (shost->sg_tablesize > 17)) { 1146 shost->sg_tablesize = 17; 1147 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1148 } 1149 1150 error = pci_set_dma_max_seg_size(pdev, 1151 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? 1152 (shost->max_sectors << 9) : 65536); 1153 if (error) 1154 goto out_deinit; 1155 1156 /* 1157 * Firmware printf works only with older firmware. 1158 */ 1159 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1160 aac->printf_enabled = 1; 1161 else 1162 aac->printf_enabled = 0; 1163 1164 /* 1165 * max channel will be the physical channels plus 1 virtual channel 1166 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1167 * physical channels are address by their actual physical number+1 1168 */ 1169 if (aac->nondasd_support || expose_physicals || aac->jbod) 1170 shost->max_channel = aac->maximum_num_channels; 1171 else 1172 shost->max_channel = 0; 1173 1174 aac_get_config_status(aac, 0); 1175 aac_get_containers(aac); 1176 list_add(&aac->entry, insert); 1177 1178 shost->max_id = aac->maximum_num_containers; 1179 if (shost->max_id < aac->maximum_num_physicals) 1180 shost->max_id = aac->maximum_num_physicals; 1181 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1182 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1183 else 1184 shost->this_id = shost->max_id; 1185 1186 /* 1187 * dmb - we may need to move the setting of these parms somewhere else once 1188 * we get a fib that can report the actual numbers 1189 */ 1190 shost->max_lun = AAC_MAX_LUN; 1191 1192 pci_set_drvdata(pdev, shost); 1193 1194 error = scsi_add_host(shost, &pdev->dev); 1195 if (error) 1196 goto out_deinit; 1197 scsi_scan_host(shost); 1198 1199 return 0; 1200 1201 out_deinit: 1202 __aac_shutdown(aac); 1203 out_unmap: 1204 aac_fib_map_free(aac); 1205 if (aac->comm_addr) 1206 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1207 aac->comm_phys); 1208 kfree(aac->queues); 1209 aac_adapter_ioremap(aac, 0); 1210 kfree(aac->fibs); 1211 kfree(aac->fsa_dev); 1212 out_free_host: 1213 scsi_host_put(shost); 1214 out_disable_pdev: 1215 pci_disable_device(pdev); 1216 out: 1217 return error; 1218 } 1219 1220 static void aac_shutdown(struct pci_dev *dev) 1221 { 1222 struct Scsi_Host *shost = pci_get_drvdata(dev); 1223 scsi_block_requests(shost); 1224 __aac_shutdown((struct aac_dev *)shost->hostdata); 1225 } 1226 1227 static void __devexit aac_remove_one(struct pci_dev *pdev) 1228 { 1229 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1230 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1231 1232 scsi_remove_host(shost); 1233 1234 __aac_shutdown(aac); 1235 aac_fib_map_free(aac); 1236 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1237 aac->comm_phys); 1238 kfree(aac->queues); 1239 1240 aac_adapter_ioremap(aac, 0); 1241 1242 kfree(aac->fibs); 1243 kfree(aac->fsa_dev); 1244 1245 list_del(&aac->entry); 1246 scsi_host_put(shost); 1247 pci_disable_device(pdev); 1248 if (list_empty(&aac_devices)) { 1249 unregister_chrdev(aac_cfg_major, "aac"); 1250 aac_cfg_major = -1; 1251 } 1252 } 1253 1254 static struct pci_driver aac_pci_driver = { 1255 .name = AAC_DRIVERNAME, 1256 .id_table = aac_pci_tbl, 1257 .probe = aac_probe_one, 1258 .remove = __devexit_p(aac_remove_one), 1259 .shutdown = aac_shutdown, 1260 }; 1261 1262 static int __init aac_init(void) 1263 { 1264 int error; 1265 1266 printk(KERN_INFO "Adaptec %s driver %s\n", 1267 AAC_DRIVERNAME, aac_driver_version); 1268 1269 error = pci_register_driver(&aac_pci_driver); 1270 if (error < 0) 1271 return error; 1272 1273 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1274 if (aac_cfg_major < 0) { 1275 printk(KERN_WARNING 1276 "aacraid: unable to register \"aac\" device.\n"); 1277 } 1278 1279 return 0; 1280 } 1281 1282 static void __exit aac_exit(void) 1283 { 1284 if (aac_cfg_major > -1) 1285 unregister_chrdev(aac_cfg_major, "aac"); 1286 pci_unregister_driver(&aac_pci_driver); 1287 } 1288 1289 module_init(aac_init); 1290 module_exit(aac_exit); 1291