1 /* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> 4 * 5 * based on the old aacraid driver that is.. 6 * Adaptec aacraid device driver for Linux. 7 * 8 * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com) 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2, or (at your option) 13 * any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; see the file COPYING. If not, write to 22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 23 * 24 * Module Name: 25 * linit.c 26 * 27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 28 */ 29 30 #define AAC_DRIVER_VERSION "1.1.2-lk2" 31 #define AAC_DRIVER_BUILD_DATE __DATE__ 32 #define AAC_DRIVERNAME "aacraid" 33 34 #include <linux/compat.h> 35 #include <linux/blkdev.h> 36 #include <linux/completion.h> 37 #include <linux/init.h> 38 #include <linux/interrupt.h> 39 #include <linux/kernel.h> 40 #include <linux/module.h> 41 #include <linux/moduleparam.h> 42 #include <linux/pci.h> 43 #include <linux/slab.h> 44 #include <linux/spinlock.h> 45 #include <linux/syscalls.h> 46 #include <linux/ioctl32.h> 47 #include <linux/delay.h> 48 #include <linux/smp_lock.h> 49 #include <asm/semaphore.h> 50 51 #include <scsi/scsi.h> 52 #include <scsi/scsi_cmnd.h> 53 #include <scsi/scsi_device.h> 54 #include <scsi/scsi_host.h> 55 #include <scsi/scsi_tcq.h> 56 #include <scsi/scsicam.h> 57 #include <scsi/scsi_eh.h> 58 59 #include "aacraid.h" 60 61 62 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 64 "Adaptec Advanced Raid Products, " 65 "and HP NetRAID-4M SCSI driver"); 66 MODULE_LICENSE("GPL"); 67 MODULE_VERSION(AAC_DRIVER_VERSION); 68 69 static LIST_HEAD(aac_devices); 70 static int aac_cfg_major = -1; 71 72 /* 73 * Because of the way Linux names scsi devices, the order in this table has 74 * become important. Check for on-board Raid first, add-in cards second. 75 * 76 * Note: The last field is used to index into aac_drivers below. 77 */ 78 static struct pci_device_id aac_pci_tbl[] = { 79 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 80 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 81 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 82 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 83 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 84 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 85 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 86 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 87 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 88 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 89 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 90 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 91 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 92 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 93 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 94 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 95 96 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 97 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 98 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 99 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 100 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 101 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 102 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 103 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 104 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 105 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */ 106 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (Lancer) */ 107 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 108 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 109 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5085AU (Hurricane) */ 110 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 111 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 112 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 32 }, /* Themisto Jupiter Platform */ 113 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 32 }, /* Themisto Jupiter Platform */ 114 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 33 }, /* Callisto Jupiter Platform */ 115 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 34 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 116 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 35 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 117 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 36 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 118 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 37 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 119 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 38 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 120 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 39 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 121 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 40 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 122 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 41 }, /* AAR-2610SA PCI SATA 6ch */ 123 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 42 }, /* ASR-2240S (SabreExpress) */ 124 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 43 }, /* ASR-4005SAS */ 125 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 44 }, /* IBM 8i (AvonPark) */ 126 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 44 }, /* IBM 8i (AvonPark Lite) */ 127 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 45 }, /* ASR-4000SAS (BlackBird) */ 128 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 46 }, /* ASR-4800SAS (Marauder-X) */ 129 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 47 }, /* ASR-4805SAS (Marauder-E) */ 130 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 48 }, /* ASR-4810SAS (Hurricane */ 131 132 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 49 }, /* Perc 320/DC*/ 133 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 50 }, /* Adaptec 5400S (Mustang)*/ 134 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 51 }, /* Adaptec 5400S (Mustang)*/ 135 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 52 }, /* Dell PERC2/QC */ 136 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 53 }, /* HP NetRAID-4M */ 137 138 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 54 }, /* Dell Catchall */ 139 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 55 }, /* Legend Catchall */ 140 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 56 }, /* Adaptec Catch All */ 141 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 57 }, /* Adaptec Rocket Catch All */ 142 { 0,} 143 }; 144 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 145 146 /* 147 * dmb - For now we add the number of channels to this structure. 148 * In the future we should add a fib that reports the number of channels 149 * for the card. At that time we can remove the channels from here 150 */ 151 static struct aac_driver_ident aac_drivers[] = { 152 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 153 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 154 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 155 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 156 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 157 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 158 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 159 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 161 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 162 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 163 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 164 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 165 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 166 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 167 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 168 169 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 170 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 171 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 172 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 173 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 174 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 175 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 176 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 177 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 178 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */ 179 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */ 180 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 181 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 182 { aac_rkt_init, "aacraid", "ICP ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */ 183 { aac_rkt_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 184 { aac_rkt_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 185 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 186 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 188 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 189 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 190 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 191 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 192 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 194 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 195 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */ 197 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */ 199 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 200 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 201 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */ 202 203 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 204 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 205 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 206 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 207 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 208 209 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 210 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ 212 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */ 213 }; 214 215 /** 216 * aac_queuecommand - queue a SCSI command 217 * @cmd: SCSI command to queue 218 * @done: Function to call on command completion 219 * 220 * Queues a command for execution by the associated Host Adapter. 221 * 222 * TODO: unify with aac_scsi_cmd(). 223 */ 224 225 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 226 { 227 cmd->scsi_done = done; 228 return (aac_scsi_cmd(cmd) ? FAILED : 0); 229 } 230 231 /** 232 * aac_info - Returns the host adapter name 233 * @shost: Scsi host to report on 234 * 235 * Returns a static string describing the device in question 236 */ 237 238 static const char *aac_info(struct Scsi_Host *shost) 239 { 240 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 241 return aac_drivers[dev->cardtype].name; 242 } 243 244 /** 245 * aac_get_driver_ident 246 * @devtype: index into lookup table 247 * 248 * Returns a pointer to the entry in the driver lookup table. 249 */ 250 251 struct aac_driver_ident* aac_get_driver_ident(int devtype) 252 { 253 return &aac_drivers[devtype]; 254 } 255 256 /** 257 * aac_biosparm - return BIOS parameters for disk 258 * @sdev: The scsi device corresponding to the disk 259 * @bdev: the block device corresponding to the disk 260 * @capacity: the sector capacity of the disk 261 * @geom: geometry block to fill in 262 * 263 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 264 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 265 * number of cylinders so as not to exceed drive capacity. In order for 266 * disks equal to or larger than 1 GB to be addressable by the BIOS 267 * without exceeding the BIOS limitation of 1024 cylinders, Extended 268 * Translation should be enabled. With Extended Translation enabled, 269 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 270 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 271 * are given a disk geometry of 255 heads and 63 sectors. However, if 272 * the BIOS detects that the Extended Translation setting does not match 273 * the geometry in the partition table, then the translation inferred 274 * from the partition table will be used by the BIOS, and a warning may 275 * be displayed. 276 */ 277 278 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 279 sector_t capacity, int *geom) 280 { 281 struct diskparm *param = (struct diskparm *)geom; 282 unsigned char *buf; 283 284 dprintk((KERN_DEBUG "aac_biosparm.\n")); 285 286 /* 287 * Assuming extended translation is enabled - #REVISIT# 288 */ 289 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 290 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 291 param->heads = 255; 292 param->sectors = 63; 293 } else { 294 param->heads = 128; 295 param->sectors = 32; 296 } 297 } else { 298 param->heads = 64; 299 param->sectors = 32; 300 } 301 302 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 303 304 /* 305 * Read the first 1024 bytes from the disk device, if the boot 306 * sector partition table is valid, search for a partition table 307 * entry whose end_head matches one of the standard geometry 308 * translations ( 64/32, 128/32, 255/63 ). 309 */ 310 buf = scsi_bios_ptable(bdev); 311 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 312 struct partition *first = (struct partition * )buf; 313 struct partition *entry = first; 314 int saved_cylinders = param->cylinders; 315 int num; 316 unsigned char end_head, end_sec; 317 318 for(num = 0; num < 4; num++) { 319 end_head = entry->end_head; 320 end_sec = entry->end_sector & 0x3f; 321 322 if(end_head == 63) { 323 param->heads = 64; 324 param->sectors = 32; 325 break; 326 } else if(end_head == 127) { 327 param->heads = 128; 328 param->sectors = 32; 329 break; 330 } else if(end_head == 254) { 331 param->heads = 255; 332 param->sectors = 63; 333 break; 334 } 335 entry++; 336 } 337 338 if (num == 4) { 339 end_head = first->end_head; 340 end_sec = first->end_sector & 0x3f; 341 } 342 343 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 344 if (num < 4 && end_sec == param->sectors) { 345 if (param->cylinders != saved_cylinders) 346 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 347 param->heads, param->sectors, num)); 348 } else if (end_head > 0 || end_sec > 0) { 349 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 350 end_head + 1, end_sec, num)); 351 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 352 param->heads, param->sectors)); 353 } 354 } 355 kfree(buf); 356 return 0; 357 } 358 359 /** 360 * aac_slave_configure - compute queue depths 361 * @sdev: SCSI device we are considering 362 * 363 * Selects queue depths for each target device based on the host adapter's 364 * total capacity and the queue depth supported by the target device. 365 * A queue depth of one automatically disables tagged queueing. 366 */ 367 368 static int aac_slave_configure(struct scsi_device *sdev) 369 { 370 struct Scsi_Host *host = sdev->host; 371 372 if (sdev->tagged_supported) 373 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128); 374 else 375 scsi_adjust_queue_depth(sdev, 0, 1); 376 377 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options 378 & AAC_OPT_NEW_COMM)) 379 blk_queue_max_segment_size(sdev->request_queue, 65536); 380 381 return 0; 382 } 383 384 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 385 { 386 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 387 return aac_do_ioctl(dev, cmd, arg); 388 } 389 390 /* 391 * aac_eh_reset - Reset command handling 392 * @scsi_cmd: SCSI command block causing the reset 393 * 394 */ 395 static int aac_eh_reset(struct scsi_cmnd* cmd) 396 { 397 struct scsi_device * dev = cmd->device; 398 struct Scsi_Host * host = dev->host; 399 struct scsi_cmnd * command; 400 int count; 401 struct aac_dev * aac; 402 unsigned long flags; 403 404 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 405 AAC_DRIVERNAME); 406 407 408 spin_lock_irq(host->host_lock); 409 410 aac = (struct aac_dev *)host->hostdata; 411 if (aac_adapter_check_health(aac)) { 412 printk(KERN_ERR "%s: Host adapter appears dead\n", 413 AAC_DRIVERNAME); 414 spin_unlock_irq(host->host_lock); 415 return -ENODEV; 416 } 417 /* 418 * Wait for all commands to complete to this specific 419 * target (block maximum 60 seconds). 420 */ 421 for (count = 60; count; --count) { 422 int active = 0; 423 __shost_for_each_device(dev, host) { 424 spin_lock_irqsave(&dev->list_lock, flags); 425 list_for_each_entry(command, &dev->cmd_list, list) { 426 if (command->serial_number) { 427 active++; 428 break; 429 } 430 } 431 spin_unlock_irqrestore(&dev->list_lock, flags); 432 if (active) 433 break; 434 435 } 436 /* 437 * We can exit If all the commands are complete 438 */ 439 if (active == 0) 440 return SUCCESS; 441 spin_unlock_irq(host->host_lock); 442 ssleep(1); 443 spin_lock_irq(host->host_lock); 444 } 445 spin_unlock_irq(host->host_lock); 446 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 447 return -ETIMEDOUT; 448 } 449 450 /** 451 * aac_cfg_open - open a configuration file 452 * @inode: inode being opened 453 * @file: file handle attached 454 * 455 * Called when the configuration device is opened. Does the needed 456 * set up on the handle and then returns 457 * 458 * Bugs: This needs extending to check a given adapter is present 459 * so we can support hot plugging, and to ref count adapters. 460 */ 461 462 static int aac_cfg_open(struct inode *inode, struct file *file) 463 { 464 struct aac_dev *aac; 465 unsigned minor_number = iminor(inode); 466 int err = -ENODEV; 467 468 list_for_each_entry(aac, &aac_devices, entry) { 469 if (aac->id == minor_number) { 470 file->private_data = aac; 471 err = 0; 472 break; 473 } 474 } 475 476 return err; 477 } 478 479 /** 480 * aac_cfg_ioctl - AAC configuration request 481 * @inode: inode of device 482 * @file: file handle 483 * @cmd: ioctl command code 484 * @arg: argument 485 * 486 * Handles a configuration ioctl. Currently this involves wrapping it 487 * up and feeding it into the nasty windowsalike glue layer. 488 * 489 * Bugs: Needs locking against parallel ioctls lower down 490 * Bugs: Needs to handle hot plugging 491 */ 492 493 static int aac_cfg_ioctl(struct inode *inode, struct file *file, 494 unsigned int cmd, unsigned long arg) 495 { 496 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 497 } 498 499 #ifdef CONFIG_COMPAT 500 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 501 { 502 long ret; 503 lock_kernel(); 504 switch (cmd) { 505 case FSACTL_MINIPORT_REV_CHECK: 506 case FSACTL_SENDFIB: 507 case FSACTL_OPEN_GET_ADAPTER_FIB: 508 case FSACTL_CLOSE_GET_ADAPTER_FIB: 509 case FSACTL_SEND_RAW_SRB: 510 case FSACTL_GET_PCI_INFO: 511 case FSACTL_QUERY_DISK: 512 case FSACTL_DELETE_DISK: 513 case FSACTL_FORCE_DELETE_DISK: 514 case FSACTL_GET_CONTAINERS: 515 case FSACTL_SEND_LARGE_FIB: 516 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 517 break; 518 519 case FSACTL_GET_NEXT_ADAPTER_FIB: { 520 struct fib_ioctl __user *f; 521 522 f = compat_alloc_user_space(sizeof(*f)); 523 ret = 0; 524 if (clear_user(f, sizeof(*f) != sizeof(*f))) 525 ret = -EFAULT; 526 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 527 ret = -EFAULT; 528 if (!ret) 529 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 530 break; 531 } 532 533 default: 534 ret = -ENOIOCTLCMD; 535 break; 536 } 537 unlock_kernel(); 538 return ret; 539 } 540 541 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 542 { 543 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 544 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 545 } 546 547 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 548 { 549 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 550 } 551 #endif 552 553 static ssize_t aac_show_model(struct class_device *class_dev, 554 char *buf) 555 { 556 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 557 int len; 558 559 len = snprintf(buf, PAGE_SIZE, "%s\n", 560 aac_drivers[dev->cardtype].model); 561 return len; 562 } 563 564 static ssize_t aac_show_vendor(struct class_device *class_dev, 565 char *buf) 566 { 567 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 568 int len; 569 570 len = snprintf(buf, PAGE_SIZE, "%s\n", 571 aac_drivers[dev->cardtype].vname); 572 return len; 573 } 574 575 static ssize_t aac_show_kernel_version(struct class_device *class_dev, 576 char *buf) 577 { 578 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 579 int len, tmp; 580 581 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 582 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 583 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 584 le32_to_cpu(dev->adapter_info.kernelbuild)); 585 return len; 586 } 587 588 static ssize_t aac_show_monitor_version(struct class_device *class_dev, 589 char *buf) 590 { 591 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 592 int len, tmp; 593 594 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 595 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 596 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 597 le32_to_cpu(dev->adapter_info.monitorbuild)); 598 return len; 599 } 600 601 static ssize_t aac_show_bios_version(struct class_device *class_dev, 602 char *buf) 603 { 604 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 605 int len, tmp; 606 607 tmp = le32_to_cpu(dev->adapter_info.biosrev); 608 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 609 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 610 le32_to_cpu(dev->adapter_info.biosbuild)); 611 return len; 612 } 613 614 static ssize_t aac_show_serial_number(struct class_device *class_dev, 615 char *buf) 616 { 617 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 618 int len = 0; 619 620 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 621 len = snprintf(buf, PAGE_SIZE, "%x\n", 622 le32_to_cpu(dev->adapter_info.serial[0])); 623 return len; 624 } 625 626 627 static struct class_device_attribute aac_model = { 628 .attr = { 629 .name = "model", 630 .mode = S_IRUGO, 631 }, 632 .show = aac_show_model, 633 }; 634 static struct class_device_attribute aac_vendor = { 635 .attr = { 636 .name = "vendor", 637 .mode = S_IRUGO, 638 }, 639 .show = aac_show_vendor, 640 }; 641 static struct class_device_attribute aac_kernel_version = { 642 .attr = { 643 .name = "hba_kernel_version", 644 .mode = S_IRUGO, 645 }, 646 .show = aac_show_kernel_version, 647 }; 648 static struct class_device_attribute aac_monitor_version = { 649 .attr = { 650 .name = "hba_monitor_version", 651 .mode = S_IRUGO, 652 }, 653 .show = aac_show_monitor_version, 654 }; 655 static struct class_device_attribute aac_bios_version = { 656 .attr = { 657 .name = "hba_bios_version", 658 .mode = S_IRUGO, 659 }, 660 .show = aac_show_bios_version, 661 }; 662 static struct class_device_attribute aac_serial_number = { 663 .attr = { 664 .name = "serial_number", 665 .mode = S_IRUGO, 666 }, 667 .show = aac_show_serial_number, 668 }; 669 670 static struct class_device_attribute *aac_attrs[] = { 671 &aac_model, 672 &aac_vendor, 673 &aac_kernel_version, 674 &aac_monitor_version, 675 &aac_bios_version, 676 &aac_serial_number, 677 NULL 678 }; 679 680 681 static struct file_operations aac_cfg_fops = { 682 .owner = THIS_MODULE, 683 .ioctl = aac_cfg_ioctl, 684 #ifdef CONFIG_COMPAT 685 .compat_ioctl = aac_compat_cfg_ioctl, 686 #endif 687 .open = aac_cfg_open, 688 }; 689 690 static struct scsi_host_template aac_driver_template = { 691 .module = THIS_MODULE, 692 .name = "AAC", 693 .proc_name = AAC_DRIVERNAME, 694 .info = aac_info, 695 .ioctl = aac_ioctl, 696 #ifdef CONFIG_COMPAT 697 .compat_ioctl = aac_compat_ioctl, 698 #endif 699 .queuecommand = aac_queuecommand, 700 .bios_param = aac_biosparm, 701 .shost_attrs = aac_attrs, 702 .slave_configure = aac_slave_configure, 703 .eh_host_reset_handler = aac_eh_reset, 704 .can_queue = AAC_NUM_IO_FIB, 705 .this_id = MAXIMUM_NUM_CONTAINERS, 706 .sg_tablesize = 16, 707 .max_sectors = 128, 708 #if (AAC_NUM_IO_FIB > 256) 709 .cmd_per_lun = 256, 710 #else 711 .cmd_per_lun = AAC_NUM_IO_FIB, 712 #endif 713 .use_clustering = ENABLE_CLUSTERING, 714 }; 715 716 717 static int __devinit aac_probe_one(struct pci_dev *pdev, 718 const struct pci_device_id *id) 719 { 720 unsigned index = id->driver_data; 721 struct Scsi_Host *shost; 722 struct aac_dev *aac; 723 struct list_head *insert = &aac_devices; 724 int error = -ENODEV; 725 int unique_id = 0; 726 727 list_for_each_entry(aac, &aac_devices, entry) { 728 if (aac->id > unique_id) 729 break; 730 insert = &aac->entry; 731 unique_id++; 732 } 733 734 if (pci_enable_device(pdev)) 735 goto out; 736 737 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) || 738 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL)) 739 goto out; 740 /* 741 * If the quirk31 bit is set, the adapter needs adapter 742 * to driver communication memory to be allocated below 2gig 743 */ 744 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 745 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) || 746 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL)) 747 goto out; 748 749 pci_set_master(pdev); 750 751 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 752 if (!shost) 753 goto out_disable_pdev; 754 755 shost->irq = pdev->irq; 756 shost->base = pci_resource_start(pdev, 0); 757 shost->unique_id = unique_id; 758 759 aac = (struct aac_dev *)shost->hostdata; 760 aac->scsi_host_ptr = shost; 761 aac->pdev = pdev; 762 aac->name = aac_driver_template.name; 763 aac->id = shost->unique_id; 764 aac->cardtype = index; 765 INIT_LIST_HEAD(&aac->entry); 766 767 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 768 if (!aac->fibs) 769 goto out_free_host; 770 spin_lock_init(&aac->fib_lock); 771 772 if ((*aac_drivers[index].init)(aac)) 773 goto out_free_fibs; 774 775 /* 776 * If we had set a smaller DMA mask earlier, set it to 4gig 777 * now since the adapter can dma data to at least a 4gig 778 * address space. 779 */ 780 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 781 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL)) 782 goto out_free_fibs; 783 784 aac->maximum_num_channels = aac_drivers[index].channels; 785 aac_get_adapter_info(aac); 786 787 /* 788 * Lets override negotiations and drop the maximum SG limit to 34 789 */ 790 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 791 (aac->scsi_host_ptr->sg_tablesize > 34)) { 792 aac->scsi_host_ptr->sg_tablesize = 34; 793 aac->scsi_host_ptr->max_sectors 794 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 795 } 796 797 /* 798 * Firware printf works only with older firmware. 799 */ 800 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 801 aac->printf_enabled = 1; 802 else 803 aac->printf_enabled = 0; 804 805 /* 806 * max channel will be the physical channels plus 1 virtual channel 807 * all containers are on the virtual channel 0 808 * physical channels are address by their actual physical number+1 809 */ 810 if (aac->nondasd_support == 1) 811 shost->max_channel = aac->maximum_num_channels + 1; 812 else 813 shost->max_channel = 1; 814 815 aac_get_config_status(aac); 816 aac_get_containers(aac); 817 list_add(&aac->entry, insert); 818 819 shost->max_id = aac->maximum_num_containers; 820 if (shost->max_id < aac->maximum_num_physicals) 821 shost->max_id = aac->maximum_num_physicals; 822 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 823 shost->max_id = MAXIMUM_NUM_CONTAINERS; 824 else 825 shost->this_id = shost->max_id; 826 827 /* 828 * dmb - we may need to move the setting of these parms somewhere else once 829 * we get a fib that can report the actual numbers 830 */ 831 shost->max_lun = AAC_MAX_LUN; 832 833 pci_set_drvdata(pdev, shost); 834 835 error = scsi_add_host(shost, &pdev->dev); 836 if (error) 837 goto out_deinit; 838 scsi_scan_host(shost); 839 840 return 0; 841 842 out_deinit: 843 kill_proc(aac->thread_pid, SIGKILL, 0); 844 wait_for_completion(&aac->aif_completion); 845 846 aac_send_shutdown(aac); 847 fib_map_free(aac); 848 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 849 kfree(aac->queues); 850 free_irq(pdev->irq, aac); 851 iounmap(aac->regs.sa); 852 out_free_fibs: 853 kfree(aac->fibs); 854 kfree(aac->fsa_dev); 855 out_free_host: 856 scsi_host_put(shost); 857 out_disable_pdev: 858 pci_disable_device(pdev); 859 out: 860 return error; 861 } 862 863 static void __devexit aac_remove_one(struct pci_dev *pdev) 864 { 865 struct Scsi_Host *shost = pci_get_drvdata(pdev); 866 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 867 868 scsi_remove_host(shost); 869 870 kill_proc(aac->thread_pid, SIGKILL, 0); 871 wait_for_completion(&aac->aif_completion); 872 873 aac_send_shutdown(aac); 874 fib_map_free(aac); 875 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 876 aac->comm_phys); 877 kfree(aac->queues); 878 879 free_irq(pdev->irq, aac); 880 iounmap(aac->regs.sa); 881 882 kfree(aac->fibs); 883 884 list_del(&aac->entry); 885 scsi_host_put(shost); 886 pci_disable_device(pdev); 887 } 888 889 static struct pci_driver aac_pci_driver = { 890 .name = AAC_DRIVERNAME, 891 .id_table = aac_pci_tbl, 892 .probe = aac_probe_one, 893 .remove = __devexit_p(aac_remove_one), 894 }; 895 896 static int __init aac_init(void) 897 { 898 int error; 899 900 printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n", 901 AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE); 902 903 error = pci_module_init(&aac_pci_driver); 904 if (error) 905 return error; 906 907 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 908 if (aac_cfg_major < 0) { 909 printk(KERN_WARNING 910 "aacraid: unable to register \"aac\" device.\n"); 911 } 912 return 0; 913 } 914 915 static void __exit aac_exit(void) 916 { 917 unregister_chrdev(aac_cfg_major, "aac"); 918 pci_unregister_driver(&aac_pci_driver); 919 } 920 921 module_init(aac_init); 922 module_exit(aac_exit); 923