linit.c revision ad34ea2cc3845ef4dcd7d12fb0fa8484734bd672
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 62MODULE_AUTHOR("Red Hat Inc and Adaptec"); 63MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 64 "Adaptec Advanced Raid Products, " 65 "and HP NetRAID-4M SCSI driver"); 66MODULE_LICENSE("GPL"); 67MODULE_VERSION(AAC_DRIVER_VERSION); 68 69static LIST_HEAD(aac_devices); 70static 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 */ 78static 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, 0x0800, 0, 0, 25 }, /* Callisto Jupiter Platform */ 106 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 26 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 107 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 27 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 108 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 28 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 109 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 29 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 110 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 30 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 111 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 31 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 112 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 32 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 113 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 33 }, /* AAR-2610SA PCI SATA 6ch */ 114 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 34 }, /* ASR-2240S (SabreExpress) */ 115 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 35 }, /* ASR-4005SAS */ 116 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 36 }, /* IBM 8i (AvonPark) */ 117 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 37 }, /* ASR-4000SAS (BlackBird) */ 118 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 38 }, /* ASR-4800SAS (Marauder-X) */ 119 { 0x9005, 0x0285, 0x9005, 0x029A, 0, 0, 39 }, /* ASR-4805SAS (Marauder-E) */ 120 121 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 40 }, /* Perc 320/DC*/ 122 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 41 }, /* Adaptec 5400S (Mustang)*/ 123 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 42 }, /* Adaptec 5400S (Mustang)*/ 124 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 43 }, /* Dell PERC2/QC */ 125 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 44 }, /* HP NetRAID-4M */ 126 127 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 45 }, /* Dell Catchall */ 128 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 46 }, /* Legend Catchall */ 129 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 47 }, /* Adaptec Catch All */ 130 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 48 }, /* Adaptec Rocket Catch All */ 131 { 0,} 132}; 133MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 134 135/* 136 * dmb - For now we add the number of channels to this structure. 137 * In the future we should add a fib that reports the number of channels 138 * for the card. At that time we can remove the channels from here 139 */ 140static struct aac_driver_ident aac_drivers[] = { 141 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 142 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 143 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 144 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 145 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 146 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 147 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 148 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 149 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 150 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 151 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 152 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 153 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 154 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 155 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 156 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 157 158 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 159 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 160 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 161 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 162 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 163 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 164 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 165 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 166 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 167 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 168 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 169 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 170 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 171 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 172 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 173 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 174 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 175 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 176 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */ 178 { aac_rx_init, "aacraid", "IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 181 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 182 183 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 184 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 185 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 186 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 187 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 188 189 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 190 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 191 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */ 192 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */ 193}; 194 195/** 196 * aac_queuecommand - queue a SCSI command 197 * @cmd: SCSI command to queue 198 * @done: Function to call on command completion 199 * 200 * Queues a command for execution by the associated Host Adapter. 201 * 202 * TODO: unify with aac_scsi_cmd(). 203 */ 204 205static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 206{ 207 cmd->scsi_done = done; 208 return (aac_scsi_cmd(cmd) ? FAILED : 0); 209} 210 211/** 212 * aac_info - Returns the host adapter name 213 * @shost: Scsi host to report on 214 * 215 * Returns a static string describing the device in question 216 */ 217 218static const char *aac_info(struct Scsi_Host *shost) 219{ 220 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 221 return aac_drivers[dev->cardtype].name; 222} 223 224/** 225 * aac_get_driver_ident 226 * @devtype: index into lookup table 227 * 228 * Returns a pointer to the entry in the driver lookup table. 229 */ 230 231struct aac_driver_ident* aac_get_driver_ident(int devtype) 232{ 233 return &aac_drivers[devtype]; 234} 235 236/** 237 * aac_biosparm - return BIOS parameters for disk 238 * @sdev: The scsi device corresponding to the disk 239 * @bdev: the block device corresponding to the disk 240 * @capacity: the sector capacity of the disk 241 * @geom: geometry block to fill in 242 * 243 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 244 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 245 * number of cylinders so as not to exceed drive capacity. In order for 246 * disks equal to or larger than 1 GB to be addressable by the BIOS 247 * without exceeding the BIOS limitation of 1024 cylinders, Extended 248 * Translation should be enabled. With Extended Translation enabled, 249 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 250 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 251 * are given a disk geometry of 255 heads and 63 sectors. However, if 252 * the BIOS detects that the Extended Translation setting does not match 253 * the geometry in the partition table, then the translation inferred 254 * from the partition table will be used by the BIOS, and a warning may 255 * be displayed. 256 */ 257 258static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 259 sector_t capacity, int *geom) 260{ 261 struct diskparm *param = (struct diskparm *)geom; 262 unsigned char *buf; 263 264 dprintk((KERN_DEBUG "aac_biosparm.\n")); 265 266 /* 267 * Assuming extended translation is enabled - #REVISIT# 268 */ 269 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 270 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 271 param->heads = 255; 272 param->sectors = 63; 273 } else { 274 param->heads = 128; 275 param->sectors = 32; 276 } 277 } else { 278 param->heads = 64; 279 param->sectors = 32; 280 } 281 282 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 283 284 /* 285 * Read the first 1024 bytes from the disk device, if the boot 286 * sector partition table is valid, search for a partition table 287 * entry whose end_head matches one of the standard geometry 288 * translations ( 64/32, 128/32, 255/63 ). 289 */ 290 buf = scsi_bios_ptable(bdev); 291 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 292 struct partition *first = (struct partition * )buf; 293 struct partition *entry = first; 294 int saved_cylinders = param->cylinders; 295 int num; 296 unsigned char end_head, end_sec; 297 298 for(num = 0; num < 4; num++) { 299 end_head = entry->end_head; 300 end_sec = entry->end_sector & 0x3f; 301 302 if(end_head == 63) { 303 param->heads = 64; 304 param->sectors = 32; 305 break; 306 } else if(end_head == 127) { 307 param->heads = 128; 308 param->sectors = 32; 309 break; 310 } else if(end_head == 254) { 311 param->heads = 255; 312 param->sectors = 63; 313 break; 314 } 315 entry++; 316 } 317 318 if (num == 4) { 319 end_head = first->end_head; 320 end_sec = first->end_sector & 0x3f; 321 } 322 323 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 324 if (num < 4 && end_sec == param->sectors) { 325 if (param->cylinders != saved_cylinders) 326 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 327 param->heads, param->sectors, num)); 328 } else if (end_head > 0 || end_sec > 0) { 329 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 330 end_head + 1, end_sec, num)); 331 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 332 param->heads, param->sectors)); 333 } 334 } 335 kfree(buf); 336 return 0; 337} 338 339/** 340 * aac_slave_configure - compute queue depths 341 * @sdev: SCSI device we are considering 342 * 343 * Selects queue depths for each target device based on the host adapter's 344 * total capacity and the queue depth supported by the target device. 345 * A queue depth of one automatically disables tagged queueing. 346 */ 347 348static int aac_slave_configure(struct scsi_device *sdev) 349{ 350 if (sdev->tagged_supported) 351 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128); 352 else 353 scsi_adjust_queue_depth(sdev, 0, 1); 354 return 0; 355} 356 357static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 358{ 359 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 360 return aac_do_ioctl(dev, cmd, arg); 361} 362 363/* 364 * XXX: does aac really need no error handling?? 365 */ 366static int aac_eh_abort(struct scsi_cmnd *cmd) 367{ 368 return FAILED; 369} 370 371/* 372 * aac_eh_reset - Reset command handling 373 * @scsi_cmd: SCSI command block causing the reset 374 * 375 */ 376static int aac_eh_reset(struct scsi_cmnd* cmd) 377{ 378 struct scsi_device * dev = cmd->device; 379 struct Scsi_Host * host = dev->host; 380 struct scsi_cmnd * command; 381 int count; 382 struct aac_dev * aac; 383 unsigned long flags; 384 385 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 386 AAC_DRIVERNAME); 387 388 389 aac = (struct aac_dev *)host->hostdata; 390 if (aac_adapter_check_health(aac)) { 391 printk(KERN_ERR "%s: Host adapter appears dead\n", 392 AAC_DRIVERNAME); 393 return -ENODEV; 394 } 395 /* 396 * Wait for all commands to complete to this specific 397 * target (block maximum 60 seconds). 398 */ 399 for (count = 60; count; --count) { 400 int active = 0; 401 __shost_for_each_device(dev, host) { 402 spin_lock_irqsave(&dev->list_lock, flags); 403 list_for_each_entry(command, &dev->cmd_list, list) { 404 if (command->serial_number) { 405 active++; 406 break; 407 } 408 } 409 spin_unlock_irqrestore(&dev->list_lock, flags); 410 if (active) 411 break; 412 413 } 414 /* 415 * We can exit If all the commands are complete 416 */ 417 if (active == 0) 418 return SUCCESS; 419 spin_unlock_irq(host->host_lock); 420 ssleep(1); 421 spin_lock_irq(host->host_lock); 422 } 423 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 424 return -ETIMEDOUT; 425} 426 427/** 428 * aac_cfg_open - open a configuration file 429 * @inode: inode being opened 430 * @file: file handle attached 431 * 432 * Called when the configuration device is opened. Does the needed 433 * set up on the handle and then returns 434 * 435 * Bugs: This needs extending to check a given adapter is present 436 * so we can support hot plugging, and to ref count adapters. 437 */ 438 439static int aac_cfg_open(struct inode *inode, struct file *file) 440{ 441 struct aac_dev *aac; 442 unsigned minor = iminor(inode); 443 int err = -ENODEV; 444 445 list_for_each_entry(aac, &aac_devices, entry) { 446 if (aac->id == minor) { 447 file->private_data = aac; 448 err = 0; 449 break; 450 } 451 } 452 453 return err; 454} 455 456/** 457 * aac_cfg_ioctl - AAC configuration request 458 * @inode: inode of device 459 * @file: file handle 460 * @cmd: ioctl command code 461 * @arg: argument 462 * 463 * Handles a configuration ioctl. Currently this involves wrapping it 464 * up and feeding it into the nasty windowsalike glue layer. 465 * 466 * Bugs: Needs locking against parallel ioctls lower down 467 * Bugs: Needs to handle hot plugging 468 */ 469 470static int aac_cfg_ioctl(struct inode *inode, struct file *file, 471 unsigned int cmd, unsigned long arg) 472{ 473 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 474} 475 476#ifdef CONFIG_COMPAT 477static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 478{ 479 long ret; 480 lock_kernel(); 481 switch (cmd) { 482 case FSACTL_MINIPORT_REV_CHECK: 483 case FSACTL_SENDFIB: 484 case FSACTL_OPEN_GET_ADAPTER_FIB: 485 case FSACTL_CLOSE_GET_ADAPTER_FIB: 486 case FSACTL_SEND_RAW_SRB: 487 case FSACTL_GET_PCI_INFO: 488 case FSACTL_QUERY_DISK: 489 case FSACTL_DELETE_DISK: 490 case FSACTL_FORCE_DELETE_DISK: 491 case FSACTL_GET_CONTAINERS: 492 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 493 break; 494 495 case FSACTL_GET_NEXT_ADAPTER_FIB: { 496 struct fib_ioctl __user *f; 497 498 f = compat_alloc_user_space(sizeof(*f)); 499 ret = 0; 500 if (clear_user(f, sizeof(*f) != sizeof(*f))) 501 ret = -EFAULT; 502 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 503 ret = -EFAULT; 504 if (!ret) 505 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 506 break; 507 } 508 509 default: 510 ret = -ENOIOCTLCMD; 511 break; 512 } 513 unlock_kernel(); 514 return ret; 515} 516 517static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 518{ 519 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 520 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 521} 522 523static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 524{ 525 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 526} 527#endif 528 529static struct file_operations aac_cfg_fops = { 530 .owner = THIS_MODULE, 531 .ioctl = aac_cfg_ioctl, 532#ifdef CONFIG_COMPAT 533 .compat_ioctl = aac_compat_cfg_ioctl, 534#endif 535 .open = aac_cfg_open, 536}; 537 538static struct scsi_host_template aac_driver_template = { 539 .module = THIS_MODULE, 540 .name = "AAC", 541 .proc_name = "aacraid", 542 .info = aac_info, 543 .ioctl = aac_ioctl, 544#ifdef CONFIG_COMPAT 545 .compat_ioctl = aac_compat_ioctl, 546#endif 547 .queuecommand = aac_queuecommand, 548 .bios_param = aac_biosparm, 549 .slave_configure = aac_slave_configure, 550 .eh_abort_handler = aac_eh_abort, 551 .eh_host_reset_handler = aac_eh_reset, 552 .can_queue = AAC_NUM_IO_FIB, 553 .this_id = 16, 554 .sg_tablesize = 16, 555 .max_sectors = 128, 556#if (AAC_NUM_IO_FIB > 256) 557 .cmd_per_lun = 256, 558#else 559 .cmd_per_lun = AAC_NUM_IO_FIB, 560#endif 561 .use_clustering = ENABLE_CLUSTERING, 562}; 563 564 565static int __devinit aac_probe_one(struct pci_dev *pdev, 566 const struct pci_device_id *id) 567{ 568 unsigned index = id->driver_data; 569 struct Scsi_Host *shost; 570 struct aac_dev *aac; 571 struct list_head *insert = &aac_devices; 572 int error = -ENODEV; 573 int unique_id = 0; 574 575 list_for_each_entry(aac, &aac_devices, entry) { 576 if (aac->id > unique_id) 577 break; 578 insert = &aac->entry; 579 unique_id++; 580 } 581 582 if (pci_enable_device(pdev)) 583 goto out; 584 585 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) || 586 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL)) 587 goto out; 588 /* 589 * If the quirk31 bit is set, the adapter needs adapter 590 * to driver communication memory to be allocated below 2gig 591 */ 592 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 593 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) || 594 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL)) 595 goto out; 596 597 pci_set_master(pdev); 598 599 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 600 if (!shost) 601 goto out_disable_pdev; 602 603 shost->irq = pdev->irq; 604 shost->base = pci_resource_start(pdev, 0); 605 shost->unique_id = unique_id; 606 607 aac = (struct aac_dev *)shost->hostdata; 608 aac->scsi_host_ptr = shost; 609 aac->pdev = pdev; 610 aac->name = aac_driver_template.name; 611 aac->id = shost->unique_id; 612 aac->cardtype = index; 613 INIT_LIST_HEAD(&aac->entry); 614 615 aac->fibs = kmalloc(sizeof(struct fib) * AAC_NUM_FIB, GFP_KERNEL); 616 if (!aac->fibs) 617 goto out_free_host; 618 spin_lock_init(&aac->fib_lock); 619 620 if ((*aac_drivers[index].init)(aac)) 621 goto out_free_fibs; 622 623 /* 624 * If we had set a smaller DMA mask earlier, set it to 4gig 625 * now since the adapter can dma data to at least a 4gig 626 * address space. 627 */ 628 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 629 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL)) 630 goto out_free_fibs; 631 632 aac_get_adapter_info(aac); 633 634 /* 635 * max channel will be the physical channels plus 1 virtual channel 636 * all containers are on the virtual channel 0 637 * physical channels are address by their actual physical number+1 638 */ 639 if (aac->nondasd_support == 1) 640 shost->max_channel = aac_drivers[index].channels+1; 641 else 642 shost->max_channel = 1; 643 644 aac_get_config_status(aac); 645 aac_get_containers(aac); 646 list_add(&aac->entry, insert); 647 648 shost->max_id = aac->maximum_num_containers; 649 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 650 shost->max_id = MAXIMUM_NUM_CONTAINERS; 651 else 652 shost->this_id = shost->max_id; 653 654 /* 655 * dmb - we may need to move the setting of these parms somewhere else once 656 * we get a fib that can report the actual numbers 657 */ 658 shost->max_lun = AAC_MAX_LUN; 659 660 pci_set_drvdata(pdev, shost); 661 662 error = scsi_add_host(shost, &pdev->dev); 663 if (error) 664 goto out_deinit; 665 scsi_scan_host(shost); 666 667 return 0; 668 669out_deinit: 670 kill_proc(aac->thread_pid, SIGKILL, 0); 671 wait_for_completion(&aac->aif_completion); 672 673 aac_send_shutdown(aac); 674 fib_map_free(aac); 675 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 676 kfree(aac->queues); 677 free_irq(pdev->irq, aac); 678 iounmap(aac->regs.sa); 679 out_free_fibs: 680 kfree(aac->fibs); 681 kfree(aac->fsa_dev); 682 out_free_host: 683 scsi_host_put(shost); 684 out_disable_pdev: 685 pci_disable_device(pdev); 686 out: 687 return error; 688} 689 690static void __devexit aac_remove_one(struct pci_dev *pdev) 691{ 692 struct Scsi_Host *shost = pci_get_drvdata(pdev); 693 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 694 695 scsi_remove_host(shost); 696 697 kill_proc(aac->thread_pid, SIGKILL, 0); 698 wait_for_completion(&aac->aif_completion); 699 700 aac_send_shutdown(aac); 701 fib_map_free(aac); 702 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 703 aac->comm_phys); 704 kfree(aac->queues); 705 706 free_irq(pdev->irq, aac); 707 iounmap(aac->regs.sa); 708 709 kfree(aac->fibs); 710 711 list_del(&aac->entry); 712 scsi_host_put(shost); 713 pci_disable_device(pdev); 714} 715 716static struct pci_driver aac_pci_driver = { 717 .name = AAC_DRIVERNAME, 718 .id_table = aac_pci_tbl, 719 .probe = aac_probe_one, 720 .remove = __devexit_p(aac_remove_one), 721}; 722 723static int __init aac_init(void) 724{ 725 int error; 726 727 printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n", 728 AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE); 729 730 error = pci_module_init(&aac_pci_driver); 731 if (error) 732 return error; 733 734 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 735 if (aac_cfg_major < 0) { 736 printk(KERN_WARNING 737 "aacraid: unable to register \"aac\" device.\n"); 738 } 739 return 0; 740} 741 742static void __exit aac_exit(void) 743{ 744 unregister_chrdev(aac_cfg_major, "aac"); 745 pci_unregister_driver(&aac_pci_driver); 746} 747 748module_init(aac_init); 749module_exit(aac_exit); 750