drivers/scsi/aacraid/linit.c

   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, 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 };
 133 MODULE_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  */
 140 static 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
 205 static 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
 218 static 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
 231 struct 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
 258 static 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
 348 static int aac_slave_configure(struct scsi_device *sdev)
 349 {
 350         struct Scsi_Host *host = sdev->host;
 351
 352         if (sdev->tagged_supported)
 353                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128);
 354         else
 355                 scsi_adjust_queue_depth(sdev, 0, 1);
 356
 357         if (host->max_sectors < AAC_MAX_32BIT_SGBCOUNT)
 358                 blk_queue_max_segment_size(sdev->request_queue, 65536);
 359
 360         return 0;
 361 }
 362
 363 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 364 {
 365         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 366         return aac_do_ioctl(dev, cmd, arg);
 367 }
 368
 369 /*
 370  *      aac_eh_reset    - Reset command handling
 371  *      @scsi_cmd:      SCSI command block causing the reset
 372  *
 373  */
 374 static int aac_eh_reset(struct scsi_cmnd* cmd)
 375 {
 376         struct scsi_device * dev = cmd->device;
 377         struct Scsi_Host * host = dev->host;
 378         struct scsi_cmnd * command;
 379         int count;
 380         struct aac_dev * aac;
 381         unsigned long flags;
 382
 383         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 384                                         AAC_DRIVERNAME);
 385
 386
 387         spin_lock_irq(host->host_lock);
 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                 spin_unlock_irq(host->host_lock);
 394                 return -ENODEV;
 395         }
 396         /*
 397          * Wait for all commands to complete to this specific
 398          * target (block maximum 60 seconds).
 399          */
 400         for (count = 60; count; --count) {
 401                 int active = 0;
 402                 __shost_for_each_device(dev, host) {
 403                         spin_lock_irqsave(&dev->list_lock, flags);
 404                         list_for_each_entry(command, &dev->cmd_list, list) {
 405                                 if (command->serial_number) {
 406                                         active++;
 407                                         break;
 408                                 }
 409                         }
 410                         spin_unlock_irqrestore(&dev->list_lock, flags);
 411                         if (active)
 412                                 break;
 413
 414                 }
 415                 /*
 416                  * We can exit If all the commands are complete
 417                  */
 418                 if (active == 0)
 419                         return SUCCESS;
 420                 spin_unlock_irq(host->host_lock);
 421                 ssleep(1);
 422                 spin_lock_irq(host->host_lock);
 423         }
 424         spin_unlock_irq(host->host_lock);
 425         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 426         return -ETIMEDOUT;
 427 }
 428
 429 /**
 430  *      aac_cfg_open            -       open a configuration file
 431  *      @inode: inode being opened
 432  *      @file: file handle attached
 433  *
 434  *      Called when the configuration device is opened. Does the needed
 435  *      set up on the handle and then returns
 436  *
 437  *      Bugs: This needs extending to check a given adapter is present
 438  *      so we can support hot plugging, and to ref count adapters.
 439  */
 440
 441 static int aac_cfg_open(struct inode *inode, struct file *file)
 442 {
 443         struct aac_dev *aac;
 444         unsigned minor_number = iminor(inode);
 445         int err = -ENODEV;
 446
 447         list_for_each_entry(aac, &aac_devices, entry) {
 448                 if (aac->id == minor_number) {
 449                         file->private_data = aac;
 450                         err = 0;
 451                         break;
 452                 }
 453         }
 454
 455         return err;
 456 }
 457
 458 /**
 459  *      aac_cfg_ioctl           -       AAC configuration request
 460  *      @inode: inode of device
 461  *      @file: file handle
 462  *      @cmd: ioctl command code
 463  *      @arg: argument
 464  *
 465  *      Handles a configuration ioctl. Currently this involves wrapping it
 466  *      up and feeding it into the nasty windowsalike glue layer.
 467  *
 468  *      Bugs: Needs locking against parallel ioctls lower down
 469  *      Bugs: Needs to handle hot plugging
 470  */
 471
 472 static int aac_cfg_ioctl(struct inode *inode,  struct file *file,
 473                 unsigned int cmd, unsigned long arg)
 474 {
 475         return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 476 }
 477
 478 #ifdef CONFIG_COMPAT
 479 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 480 {
 481         long ret;
 482         lock_kernel();
 483         switch (cmd) {
 484         case FSACTL_MINIPORT_REV_CHECK:
 485         case FSACTL_SENDFIB:
 486         case FSACTL_OPEN_GET_ADAPTER_FIB:
 487         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 488         case FSACTL_SEND_RAW_SRB:
 489         case FSACTL_GET_PCI_INFO:
 490         case FSACTL_QUERY_DISK:
 491         case FSACTL_DELETE_DISK:
 492         case FSACTL_FORCE_DELETE_DISK:
 493         case FSACTL_GET_CONTAINERS:
 494         case FSACTL_SEND_LARGE_FIB:
 495                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 496                 break;
 497
 498         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 499                 struct fib_ioctl __user *f;
 500
 501                 f = compat_alloc_user_space(sizeof(*f));
 502                 ret = 0;
 503                 if (clear_user(f, sizeof(*f) != sizeof(*f)))
 504                         ret = -EFAULT;
 505                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 506                         ret = -EFAULT;
 507                 if (!ret)
 508                         ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 509                 break;
 510         }
 511
 512         default:
 513                 ret = -ENOIOCTLCMD;
 514                 break;
 515         }
 516         unlock_kernel();
 517         return ret;
 518 }
 519
 520 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 521 {
 522         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 523         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 524 }
 525
 526 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 527 {
 528         return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
 529 }
 530 #endif
 531
 532 static ssize_t aac_show_model(struct class_device *class_dev,
 533                 char *buf)
 534 {
 535         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 536         int len;
 537
 538         len = snprintf(buf, PAGE_SIZE, "%s\n",
 539                   aac_drivers[dev->cardtype].model);
 540         return len;
 541 }
 542
 543 static ssize_t aac_show_vendor(struct class_device *class_dev,
 544                 char *buf)
 545 {
 546         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 547         int len;
 548
 549         len = snprintf(buf, PAGE_SIZE, "%s\n",
 550                   aac_drivers[dev->cardtype].vname);
 551         return len;
 552 }
 553
 554 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
 555                 char *buf)
 556 {
 557         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 558         int len, tmp;
 559
 560         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 561         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 562           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 563           le32_to_cpu(dev->adapter_info.kernelbuild));
 564         return len;
 565 }
 566
 567 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
 568                 char *buf)
 569 {
 570         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 571         int len, tmp;
 572
 573         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 574         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 575           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 576           le32_to_cpu(dev->adapter_info.monitorbuild));
 577         return len;
 578 }
 579
 580 static ssize_t aac_show_bios_version(struct class_device *class_dev,
 581                 char *buf)
 582 {
 583         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 584         int len, tmp;
 585
 586         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 587         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 588           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 589           le32_to_cpu(dev->adapter_info.biosbuild));
 590         return len;
 591 }
 592
 593 static ssize_t aac_show_serial_number(struct class_device *class_dev,
 594                 char *buf)
 595 {
 596         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 597         int len = 0;
 598
 599         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 600                 len = snprintf(buf, PAGE_SIZE, "%x\n",
 601                   le32_to_cpu(dev->adapter_info.serial[0]));
 602         return len;
 603 }
 604
 605
 606 static struct class_device_attribute aac_model = {
 607         .attr = {
 608                 .name = "model",
 609                 .mode = S_IRUGO,
 610         },
 611         .show = aac_show_model,
 612 };
 613 static struct class_device_attribute aac_vendor = {
 614         .attr = {
 615                 .name = "vendor",
 616                 .mode = S_IRUGO,
 617         },
 618         .show = aac_show_vendor,
 619 };
 620 static struct class_device_attribute aac_kernel_version = {
 621         .attr = {
 622                 .name = "hba_kernel_version",
 623                 .mode = S_IRUGO,
 624         },
 625         .show = aac_show_kernel_version,
 626 };
 627 static struct class_device_attribute aac_monitor_version = {
 628         .attr = {
 629                 .name = "hba_monitor_version",
 630                 .mode = S_IRUGO,
 631         },
 632         .show = aac_show_monitor_version,
 633 };
 634 static struct class_device_attribute aac_bios_version = {
 635         .attr = {
 636                 .name = "hba_bios_version",
 637                 .mode = S_IRUGO,
 638         },
 639         .show = aac_show_bios_version,
 640 };
 641 static struct class_device_attribute aac_serial_number = {
 642         .attr = {
 643                 .name = "serial_number",
 644                 .mode = S_IRUGO,
 645         },
 646         .show = aac_show_serial_number,
 647 };
 648
 649 static struct class_device_attribute *aac_attrs[] = {
 650         &aac_model,
 651         &aac_vendor,
 652         &aac_kernel_version,
 653         &aac_monitor_version,
 654         &aac_bios_version,
 655         &aac_serial_number,
 656         NULL
 657 };
 658
 659
 660 static struct file_operations aac_cfg_fops = {
 661         .owner          = THIS_MODULE,
 662         .ioctl          = aac_cfg_ioctl,
 663 #ifdef CONFIG_COMPAT
 664         .compat_ioctl   = aac_compat_cfg_ioctl,
 665 #endif
 666         .open           = aac_cfg_open,
 667 };
 668
 669 static struct scsi_host_template aac_driver_template = {
 670         .module                         = THIS_MODULE,
 671         .name                           = "AAC",
 672         .proc_name                      = AAC_DRIVERNAME,
 673         .info                           = aac_info,
 674         .ioctl                          = aac_ioctl,
 675 #ifdef CONFIG_COMPAT
 676         .compat_ioctl                   = aac_compat_ioctl,
 677 #endif
 678         .queuecommand                   = aac_queuecommand,
 679         .bios_param                     = aac_biosparm,
 680         .shost_attrs                    = aac_attrs,
 681         .slave_configure                = aac_slave_configure,
 682         .eh_host_reset_handler          = aac_eh_reset,
 683         .can_queue                      = AAC_NUM_IO_FIB,
 684         .this_id                        = 16,
 685         .sg_tablesize                   = 16,
 686         .max_sectors                    = 128,
 687 #if (AAC_NUM_IO_FIB > 256)
 688         .cmd_per_lun                    = 256,
 689 #else
 690         .cmd_per_lun                    = AAC_NUM_IO_FIB,
 691 #endif
 692         .use_clustering                 = ENABLE_CLUSTERING,
 693 };
 694
 695
 696 static int __devinit aac_probe_one(struct pci_dev *pdev,
 697                 const struct pci_device_id *id)
 698 {
 699         unsigned index = id->driver_data;
 700         struct Scsi_Host *shost;
 701         struct aac_dev *aac;
 702         struct list_head *insert = &aac_devices;
 703         int error = -ENODEV;
 704         int unique_id = 0;
 705
 706         list_for_each_entry(aac, &aac_devices, entry) {
 707                 if (aac->id > unique_id)
 708                         break;
 709                 insert = &aac->entry;
 710                 unique_id++;
 711         }
 712
 713         if (pci_enable_device(pdev))
 714                 goto out;
 715
 716         if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) ||
 717                         pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL))
 718                 goto out;
 719         /*
 720          * If the quirk31 bit is set, the adapter needs adapter
 721          * to driver communication memory to be allocated below 2gig
 722          */
 723         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
 724                 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
 725                                 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
 726                         goto out;
 727
 728         pci_set_master(pdev);
 729
 730         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
 731         if (!shost)
 732                 goto out_disable_pdev;
 733
 734         shost->irq = pdev->irq;
 735         shost->base = pci_resource_start(pdev, 0);
 736         shost->unique_id = unique_id;
 737
 738         aac = (struct aac_dev *)shost->hostdata;
 739         aac->scsi_host_ptr = shost;
 740         aac->pdev = pdev;
 741         aac->name = aac_driver_template.name;
 742         aac->id = shost->unique_id;
 743         aac->cardtype =  index;
 744         INIT_LIST_HEAD(&aac->entry);
 745
 746         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
 747         if (!aac->fibs)
 748                 goto out_free_host;
 749         spin_lock_init(&aac->fib_lock);
 750
 751         if ((*aac_drivers[index].init)(aac))
 752                 goto out_free_fibs;
 753
 754         /*
 755          * If we had set a smaller DMA mask earlier, set it to 4gig
 756          * now since the adapter can dma data to at least a 4gig
 757          * address space.
 758          */
 759         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
 760                 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL))
 761                         goto out_free_fibs;
 762
 763         aac_get_adapter_info(aac);
 764
 765         /*
 766          * Lets override negotiations and drop the maximum SG limit to 34
 767          */
 768         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
 769                         (aac->scsi_host_ptr->sg_tablesize > 34)) {
 770                 aac->scsi_host_ptr->sg_tablesize = 34;
 771                 aac->scsi_host_ptr->max_sectors
 772                   = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
 773         }
 774
 775         /*
 776          * Firware printf works only with older firmware.
 777          */
 778         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
 779                 aac->printf_enabled = 1;
 780         else
 781                 aac->printf_enabled = 0;
 782
 783         /*
 784          * max channel will be the physical channels plus 1 virtual channel
 785          * all containers are on the virtual channel 0
 786          * physical channels are address by their actual physical number+1
 787          */
 788         if (aac->nondasd_support == 1)
 789                 shost->max_channel = aac_drivers[index].channels+1;
 790         else
 791                 shost->max_channel = 1;
 792
 793         aac_get_config_status(aac);
 794         aac_get_containers(aac);
 795         list_add(&aac->entry, insert);
 796
 797         shost->max_id = aac->maximum_num_containers;
 798         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
 799                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
 800         else
 801                 shost->this_id = shost->max_id;
 802
 803         /*
 804          * dmb - we may need to move the setting of these parms somewhere else once
 805          * we get a fib that can report the actual numbers
 806          */
 807         shost->max_lun = AAC_MAX_LUN;
 808
 809         pci_set_drvdata(pdev, shost);
 810
 811         error = scsi_add_host(shost, &pdev->dev);
 812         if (error)
 813                 goto out_deinit;
 814         scsi_scan_host(shost);
 815
 816         return 0;
 817
 818 out_deinit:
 819         kill_proc(aac->thread_pid, SIGKILL, 0);
 820         wait_for_completion(&aac->aif_completion);
 821
 822         aac_send_shutdown(aac);
 823         fib_map_free(aac);
 824         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
 825         kfree(aac->queues);
 826         free_irq(pdev->irq, aac);
 827         iounmap(aac->regs.sa);
 828  out_free_fibs:
 829         kfree(aac->fibs);
 830         kfree(aac->fsa_dev);
 831  out_free_host:
 832         scsi_host_put(shost);
 833  out_disable_pdev:
 834         pci_disable_device(pdev);
 835  out:
 836         return error;
 837 }
 838
 839 static void __devexit aac_remove_one(struct pci_dev *pdev)
 840 {
 841         struct Scsi_Host *shost = pci_get_drvdata(pdev);
 842         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
 843
 844         scsi_remove_host(shost);
 845
 846         kill_proc(aac->thread_pid, SIGKILL, 0);
 847         wait_for_completion(&aac->aif_completion);
 848
 849         aac_send_shutdown(aac);
 850         fib_map_free(aac);
 851         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
 852                         aac->comm_phys);
 853         kfree(aac->queues);
 854
 855         free_irq(pdev->irq, aac);
 856         iounmap(aac->regs.sa);
 857
 858         kfree(aac->fibs);
 859
 860         list_del(&aac->entry);
 861         scsi_host_put(shost);
 862         pci_disable_device(pdev);
 863 }
 864
 865 static struct pci_driver aac_pci_driver = {
 866         .name           = AAC_DRIVERNAME,
 867         .id_table       = aac_pci_tbl,
 868         .probe          = aac_probe_one,
 869         .remove         = __devexit_p(aac_remove_one),
 870 };
 871
 872 static int __init aac_init(void)
 873 {
 874         int error;
 875
 876         printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n",
 877                         AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE);
 878
 879         error = pci_module_init(&aac_pci_driver);
 880         if (error)
 881                 return error;
 882
 883         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
 884         if (aac_cfg_major < 0) {
 885                 printk(KERN_WARNING
 886                        "aacraid: unable to register \"aac\" device.\n");
 887         }
 888         return 0;
 889 }
 890
 891 static void __exit aac_exit(void)
 892 {
 893         unregister_chrdev(aac_cfg_major, "aac");
 894         pci_unregister_driver(&aac_pci_driver);
 895 }
 896
 897 module_init(aac_init);
 898 module_exit(aac_exit);