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              "1.1-4"
  31 #ifndef AAC_DRIVER_BRANCH
  32 #define AAC_DRIVER_BRANCH               ""
  33 #endif
  34 #define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
  35 #define AAC_DRIVERNAME                  "aacraid"
  36
  37 #include <linux/compat.h>
  38 #include <linux/blkdev.h>
  39 #include <linux/completion.h>
  40 #include <linux/init.h>
  41 #include <linux/interrupt.h>
  42 #include <linux/kernel.h>
  43 #include <linux/module.h>
  44 #include <linux/moduleparam.h>
  45 #include <linux/pci.h>
  46 #include <linux/slab.h>
  47 #include <linux/spinlock.h>
  48 #include <linux/dma-mapping.h>
  49 #include <linux/syscalls.h>
  50 #include <linux/delay.h>
  51 #include <linux/smp_lock.h>
  52 #include <linux/kthread.h>
  53 #include <asm/semaphore.h>
  54
  55 #include <scsi/scsi.h>
  56 #include <scsi/scsi_cmnd.h>
  57 #include <scsi/scsi_device.h>
  58 #include <scsi/scsi_host.h>
  59 #include <scsi/scsi_tcq.h>
  60 #include <scsi/scsicam.h>
  61 #include <scsi/scsi_eh.h>
  62
  63 #include "aacraid.h"
  64
  65 #ifdef AAC_DRIVER_BUILD
  66 #define _str(x) #x
  67 #define str(x) _str(x)
  68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  69 #else
  70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
  71 #endif
  72
  73 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  74 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  75                    "Adaptec Advanced Raid Products, "
  76                    "and HP NetRAID-4M SCSI driver");
  77 MODULE_LICENSE("GPL");
  78 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  79
  80 static LIST_HEAD(aac_devices);
  81 static int aac_cfg_major = -1;
  82 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  83
  84 /*
  85  * Because of the way Linux names scsi devices, the order in this table has
  86  * become important.  Check for on-board Raid first, add-in cards second.
  87  *
  88  * Note: The last field is used to index into aac_drivers below.
  89  */
  90 static struct pci_device_id aac_pci_tbl[] = {
  91         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  92         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  93         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  94         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  95         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  96         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  97         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  98         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  99         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 100         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 101         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 102         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 103         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 104         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 105         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 106         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 107
 108         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 109         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 110         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 111         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 112         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 113         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 114         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 115         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 116         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 117         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */
 118         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (Lancer) */
 119         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 120         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 121         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5085AU (Hurricane) */
 122         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 123         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 124         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 125         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 126         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 127         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 128         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 129         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 130         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 131         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 132         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 133         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 134         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 135         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 136         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 137         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005SAS */
 138         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 139         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 140         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 141         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 142         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000SAS (BlackBird) */
 143         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 144         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 145         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-4810SAS (Hurricane */
 146
 147         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 148         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 149         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 150         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 151         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 152
 153         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 154         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 155         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 156         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 157         { 0,}
 158 };
 159 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 160
 161 /*
 162  * dmb - For now we add the number of channels to this structure.
 163  * In the future we should add a fib that reports the number of channels
 164  * for the card.  At that time we can remove the channels from here
 165  */
 166 static struct aac_driver_ident aac_drivers[] = {
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
 169         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
 170         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 171         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
 172         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
 173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
 175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
 176         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
 177         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
 180         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
 181         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
 182         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
 183
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 187         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 188         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 190         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 191         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 192         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 193         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024R0       ", 2 }, /* ICP9024R0 (Lancer) */
 194         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014R0       ", 1 }, /* ICP9014R0 (Lancer) */
 195         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 196         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 197         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5085AU       ", 1 }, /* ICP5085AU (Hurricane) */
 198         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 199         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 201         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 202         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 205         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 206         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 207         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 208         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005SAS     ", 1 }, /* ASR-4005SAS */
 213         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 214         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 215         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000SAS     ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 219         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-4810SAS     ", 1 }, /* ASR-4810SAS (Hurricane) */
 220
 221         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 222         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 223         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 224         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 225         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 226
 227         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
 228         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
 229         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
 230         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec Rocket Catch All */
 231 };
 232
 233 /**
 234  *      aac_queuecommand        -       queue a SCSI command
 235  *      @cmd:           SCSI command to queue
 236  *      @done:          Function to call on command completion
 237  *
 238  *      Queues a command for execution by the associated Host Adapter.
 239  *
 240  *      TODO: unify with aac_scsi_cmd().
 241  */
 242
 243 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 244 {
 245         cmd->scsi_done = done;
 246         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 247 }
 248
 249 /**
 250  *      aac_info                -       Returns the host adapter name
 251  *      @shost:         Scsi host to report on
 252  *
 253  *      Returns a static string describing the device in question
 254  */
 255
 256 static const char *aac_info(struct Scsi_Host *shost)
 257 {
 258         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 259         return aac_drivers[dev->cardtype].name;
 260 }
 261
 262 /**
 263  *      aac_get_driver_ident
 264  *      @devtype: index into lookup table
 265  *
 266  *      Returns a pointer to the entry in the driver lookup table.
 267  */
 268
 269 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 270 {
 271         return &aac_drivers[devtype];
 272 }
 273
 274 /**
 275  *      aac_biosparm    -       return BIOS parameters for disk
 276  *      @sdev: The scsi device corresponding to the disk
 277  *      @bdev: the block device corresponding to the disk
 278  *      @capacity: the sector capacity of the disk
 279  *      @geom: geometry block to fill in
 280  *
 281  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 282  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 283  *      number of cylinders so as not to exceed drive capacity.  In order for
 284  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 285  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 286  *      Translation should be enabled.   With Extended Translation enabled,
 287  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 288  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 289  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 290  *      the BIOS detects that the Extended Translation setting does not match
 291  *      the geometry in the partition table, then the translation inferred
 292  *      from the partition table will be used by the BIOS, and a warning may
 293  *      be displayed.
 294  */
 295
 296 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 297                         sector_t capacity, int *geom)
 298 {
 299         struct diskparm *param = (struct diskparm *)geom;
 300         unsigned char *buf;
 301
 302         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 303
 304         /*
 305          *      Assuming extended translation is enabled - #REVISIT#
 306          */
 307         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 308                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 309                         param->heads = 255;
 310                         param->sectors = 63;
 311                 } else {
 312                         param->heads = 128;
 313                         param->sectors = 32;
 314                 }
 315         } else {
 316                 param->heads = 64;
 317                 param->sectors = 32;
 318         }
 319
 320         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 321
 322         /*
 323          *      Read the first 1024 bytes from the disk device, if the boot
 324          *      sector partition table is valid, search for a partition table
 325          *      entry whose end_head matches one of the standard geometry
 326          *      translations ( 64/32, 128/32, 255/63 ).
 327          */
 328         buf = scsi_bios_ptable(bdev);
 329         if (!buf)
 330                 return 0;
 331         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 332                 struct partition *first = (struct partition * )buf;
 333                 struct partition *entry = first;
 334                 int saved_cylinders = param->cylinders;
 335                 int num;
 336                 unsigned char end_head, end_sec;
 337
 338                 for(num = 0; num < 4; num++) {
 339                         end_head = entry->end_head;
 340                         end_sec = entry->end_sector & 0x3f;
 341
 342                         if(end_head == 63) {
 343                                 param->heads = 64;
 344                                 param->sectors = 32;
 345                                 break;
 346                         } else if(end_head == 127) {
 347                                 param->heads = 128;
 348                                 param->sectors = 32;
 349                                 break;
 350                         } else if(end_head == 254) {
 351                                 param->heads = 255;
 352                                 param->sectors = 63;
 353                                 break;
 354                         }
 355                         entry++;
 356                 }
 357
 358                 if (num == 4) {
 359                         end_head = first->end_head;
 360                         end_sec = first->end_sector & 0x3f;
 361                 }
 362
 363                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 364                 if (num < 4 && end_sec == param->sectors) {
 365                         if (param->cylinders != saved_cylinders)
 366                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 367                                         param->heads, param->sectors, num));
 368                 } else if (end_head > 0 || end_sec > 0) {
 369                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 370                                 end_head + 1, end_sec, num));
 371                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 372                                         param->heads, param->sectors));
 373                 }
 374         }
 375         kfree(buf);
 376         return 0;
 377 }
 378
 379 /**
 380  *      aac_slave_configure             -       compute queue depths
 381  *      @sdev:  SCSI device we are considering
 382  *
 383  *      Selects queue depths for each target device based on the host adapter's
 384  *      total capacity and the queue depth supported by the target device.
 385  *      A queue depth of one automatically disables tagged queueing.
 386  */
 387
 388 static int aac_slave_configure(struct scsi_device *sdev)
 389 {
 390         if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
 391                 sdev->skip_ms_page_8 = 1;
 392                 sdev->skip_ms_page_3f = 1;
 393         }
 394         if ((sdev->type == TYPE_DISK) &&
 395                         (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
 396                 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 397                 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 398                         sdev->no_uld_attach = 1;
 399         }
 400         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 401                         (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 402                 struct scsi_device * dev;
 403                 struct Scsi_Host *host = sdev->host;
 404                 unsigned num_lsu = 0;
 405                 unsigned num_one = 0;
 406                 unsigned depth;
 407
 408                 __shost_for_each_device(dev, host) {
 409                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 410                                 (sdev_channel(dev) == CONTAINER_CHANNEL))
 411                                 ++num_lsu;
 412                         else
 413                                 ++num_one;
 414                 }
 415                 if (num_lsu == 0)
 416                         ++num_lsu;
 417                 depth = (host->can_queue - num_one) / num_lsu;
 418                 if (depth > 256)
 419                         depth = 256;
 420                 else if (depth < 2)
 421                         depth = 2;
 422                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 423                 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
 424                                 AAC_OPT_NEW_COMM))
 425                         blk_queue_max_segment_size(sdev->request_queue, 65536);
 426         } else
 427                 scsi_adjust_queue_depth(sdev, 0, 1);
 428
 429         return 0;
 430 }
 431
 432 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 433 {
 434         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 435         return aac_do_ioctl(dev, cmd, arg);
 436 }
 437
 438 /*
 439  *      aac_eh_reset    - Reset command handling
 440  *      @scsi_cmd:      SCSI command block causing the reset
 441  *
 442  */
 443 static int aac_eh_reset(struct scsi_cmnd* cmd)
 444 {
 445         struct scsi_device * dev = cmd->device;
 446         struct Scsi_Host * host = dev->host;
 447         struct scsi_cmnd * command;
 448         int count;
 449         struct aac_dev * aac;
 450         unsigned long flags;
 451
 452         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 453                                         AAC_DRIVERNAME);
 454
 455
 456         spin_lock_irq(host->host_lock);
 457
 458         aac = (struct aac_dev *)host->hostdata;
 459         if (aac_adapter_check_health(aac)) {
 460                 printk(KERN_ERR "%s: Host adapter appears dead\n",
 461                                 AAC_DRIVERNAME);
 462                 spin_unlock_irq(host->host_lock);
 463                 return -ENODEV;
 464         }
 465         /*
 466          * Wait for all commands to complete to this specific
 467          * target (block maximum 60 seconds).
 468          */
 469         for (count = 60; count; --count) {
 470                 int active = 0;
 471                 __shost_for_each_device(dev, host) {
 472                         spin_lock_irqsave(&dev->list_lock, flags);
 473                         list_for_each_entry(command, &dev->cmd_list, list) {
 474                                 if (command->serial_number) {
 475                                         active++;
 476                                         break;
 477                                 }
 478                         }
 479                         spin_unlock_irqrestore(&dev->list_lock, flags);
 480                         if (active)
 481                                 break;
 482
 483                 }
 484                 /*
 485                  * We can exit If all the commands are complete
 486                  */
 487                 spin_unlock_irq(host->host_lock);
 488                 if (active == 0)
 489                         return SUCCESS;
 490                 ssleep(1);
 491                 spin_lock_irq(host->host_lock);
 492         }
 493         spin_unlock_irq(host->host_lock);
 494         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 495         return -ETIMEDOUT;
 496 }
 497
 498 /**
 499  *      aac_cfg_open            -       open a configuration file
 500  *      @inode: inode being opened
 501  *      @file: file handle attached
 502  *
 503  *      Called when the configuration device is opened. Does the needed
 504  *      set up on the handle and then returns
 505  *
 506  *      Bugs: This needs extending to check a given adapter is present
 507  *      so we can support hot plugging, and to ref count adapters.
 508  */
 509
 510 static int aac_cfg_open(struct inode *inode, struct file *file)
 511 {
 512         struct aac_dev *aac;
 513         unsigned minor_number = iminor(inode);
 514         int err = -ENODEV;
 515
 516         list_for_each_entry(aac, &aac_devices, entry) {
 517                 if (aac->id == minor_number) {
 518                         file->private_data = aac;
 519                         err = 0;
 520                         break;
 521                 }
 522         }
 523
 524         return err;
 525 }
 526
 527 /**
 528  *      aac_cfg_ioctl           -       AAC configuration request
 529  *      @inode: inode of device
 530  *      @file: file handle
 531  *      @cmd: ioctl command code
 532  *      @arg: argument
 533  *
 534  *      Handles a configuration ioctl. Currently this involves wrapping it
 535  *      up and feeding it into the nasty windowsalike glue layer.
 536  *
 537  *      Bugs: Needs locking against parallel ioctls lower down
 538  *      Bugs: Needs to handle hot plugging
 539  */
 540
 541 static int aac_cfg_ioctl(struct inode *inode,  struct file *file,
 542                 unsigned int cmd, unsigned long arg)
 543 {
 544         return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 545 }
 546
 547 #ifdef CONFIG_COMPAT
 548 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 549 {
 550         long ret;
 551         lock_kernel();
 552         switch (cmd) {
 553         case FSACTL_MINIPORT_REV_CHECK:
 554         case FSACTL_SENDFIB:
 555         case FSACTL_OPEN_GET_ADAPTER_FIB:
 556         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 557         case FSACTL_SEND_RAW_SRB:
 558         case FSACTL_GET_PCI_INFO:
 559         case FSACTL_QUERY_DISK:
 560         case FSACTL_DELETE_DISK:
 561         case FSACTL_FORCE_DELETE_DISK:
 562         case FSACTL_GET_CONTAINERS:
 563         case FSACTL_SEND_LARGE_FIB:
 564                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 565                 break;
 566
 567         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 568                 struct fib_ioctl __user *f;
 569
 570                 f = compat_alloc_user_space(sizeof(*f));
 571                 ret = 0;
 572                 if (clear_user(f, sizeof(*f) != sizeof(*f)))
 573                         ret = -EFAULT;
 574                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 575                         ret = -EFAULT;
 576                 if (!ret)
 577                         ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 578                 break;
 579         }
 580
 581         default:
 582                 ret = -ENOIOCTLCMD;
 583                 break;
 584         }
 585         unlock_kernel();
 586         return ret;
 587 }
 588
 589 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 590 {
 591         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 592         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 593 }
 594
 595 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 596 {
 597         return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
 598 }
 599 #endif
 600
 601 static ssize_t aac_show_model(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;
 606
 607         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 608                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 609                 while (*cp && *cp != ' ')
 610                         ++cp;
 611                 while (*cp == ' ')
 612                         ++cp;
 613                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 614         } else
 615                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 616                   aac_drivers[dev->cardtype].model);
 617         return len;
 618 }
 619
 620 static ssize_t aac_show_vendor(struct class_device *class_dev,
 621                 char *buf)
 622 {
 623         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 624         int len;
 625
 626         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 627                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 628                 while (*cp && *cp != ' ')
 629                         ++cp;
 630                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 631                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 632                   dev->supplement_adapter_info.AdapterTypeText);
 633         } else
 634                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 635                   aac_drivers[dev->cardtype].vname);
 636         return len;
 637 }
 638
 639 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
 640                 char *buf)
 641 {
 642         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 643         int len, tmp;
 644
 645         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 646         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 647           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 648           le32_to_cpu(dev->adapter_info.kernelbuild));
 649         return len;
 650 }
 651
 652 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
 653                 char *buf)
 654 {
 655         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 656         int len, tmp;
 657
 658         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 659         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 660           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 661           le32_to_cpu(dev->adapter_info.monitorbuild));
 662         return len;
 663 }
 664
 665 static ssize_t aac_show_bios_version(struct class_device *class_dev,
 666                 char *buf)
 667 {
 668         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 669         int len, tmp;
 670
 671         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 672         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 673           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 674           le32_to_cpu(dev->adapter_info.biosbuild));
 675         return len;
 676 }
 677
 678 static ssize_t aac_show_serial_number(struct class_device *class_dev,
 679                 char *buf)
 680 {
 681         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 682         int len = 0;
 683
 684         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 685                 len = snprintf(buf, PAGE_SIZE, "%x\n",
 686                   le32_to_cpu(dev->adapter_info.serial[0]));
 687         return len;
 688 }
 689
 690
 691 static struct class_device_attribute aac_model = {
 692         .attr = {
 693                 .name = "model",
 694                 .mode = S_IRUGO,
 695         },
 696         .show = aac_show_model,
 697 };
 698 static struct class_device_attribute aac_vendor = {
 699         .attr = {
 700                 .name = "vendor",
 701                 .mode = S_IRUGO,
 702         },
 703         .show = aac_show_vendor,
 704 };
 705 static struct class_device_attribute aac_kernel_version = {
 706         .attr = {
 707                 .name = "hba_kernel_version",
 708                 .mode = S_IRUGO,
 709         },
 710         .show = aac_show_kernel_version,
 711 };
 712 static struct class_device_attribute aac_monitor_version = {
 713         .attr = {
 714                 .name = "hba_monitor_version",
 715                 .mode = S_IRUGO,
 716         },
 717         .show = aac_show_monitor_version,
 718 };
 719 static struct class_device_attribute aac_bios_version = {
 720         .attr = {
 721                 .name = "hba_bios_version",
 722                 .mode = S_IRUGO,
 723         },
 724         .show = aac_show_bios_version,
 725 };
 726 static struct class_device_attribute aac_serial_number = {
 727         .attr = {
 728                 .name = "serial_number",
 729                 .mode = S_IRUGO,
 730         },
 731         .show = aac_show_serial_number,
 732 };
 733
 734 static struct class_device_attribute *aac_attrs[] = {
 735         &aac_model,
 736         &aac_vendor,
 737         &aac_kernel_version,
 738         &aac_monitor_version,
 739         &aac_bios_version,
 740         &aac_serial_number,
 741         NULL
 742 };
 743
 744
 745 static struct file_operations aac_cfg_fops = {
 746         .owner          = THIS_MODULE,
 747         .ioctl          = aac_cfg_ioctl,
 748 #ifdef CONFIG_COMPAT
 749         .compat_ioctl   = aac_compat_cfg_ioctl,
 750 #endif
 751         .open           = aac_cfg_open,
 752 };
 753
 754 static struct scsi_host_template aac_driver_template = {
 755         .module                         = THIS_MODULE,
 756         .name                           = "AAC",
 757         .proc_name                      = AAC_DRIVERNAME,
 758         .info                           = aac_info,
 759         .ioctl                          = aac_ioctl,
 760 #ifdef CONFIG_COMPAT
 761         .compat_ioctl                   = aac_compat_ioctl,
 762 #endif
 763         .queuecommand                   = aac_queuecommand,
 764         .bios_param                     = aac_biosparm,
 765         .shost_attrs                    = aac_attrs,
 766         .slave_configure                = aac_slave_configure,
 767         .eh_host_reset_handler          = aac_eh_reset,
 768         .can_queue                      = AAC_NUM_IO_FIB,
 769         .this_id                        = MAXIMUM_NUM_CONTAINERS,
 770         .sg_tablesize                   = 16,
 771         .max_sectors                    = 128,
 772 #if (AAC_NUM_IO_FIB > 256)
 773         .cmd_per_lun                    = 256,
 774 #else
 775         .cmd_per_lun                    = AAC_NUM_IO_FIB,
 776 #endif
 777         .use_clustering                 = ENABLE_CLUSTERING,
 778 };
 779
 780
 781 static int __devinit aac_probe_one(struct pci_dev *pdev,
 782                 const struct pci_device_id *id)
 783 {
 784         unsigned index = id->driver_data;
 785         struct Scsi_Host *shost;
 786         struct aac_dev *aac;
 787         struct list_head *insert = &aac_devices;
 788         int error = -ENODEV;
 789         int unique_id = 0;
 790
 791         list_for_each_entry(aac, &aac_devices, entry) {
 792                 if (aac->id > unique_id)
 793                         break;
 794                 insert = &aac->entry;
 795                 unique_id++;
 796         }
 797
 798         error = pci_enable_device(pdev);
 799         if (error)
 800                 goto out;
 801
 802         if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
 803                         pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
 804                 goto out;
 805         /*
 806          * If the quirk31 bit is set, the adapter needs adapter
 807          * to driver communication memory to be allocated below 2gig
 808          */
 809         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
 810                 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
 811                                 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
 812                         goto out;
 813
 814         pci_set_master(pdev);
 815
 816         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
 817         if (!shost)
 818                 goto out_disable_pdev;
 819
 820         shost->irq = pdev->irq;
 821         shost->base = pci_resource_start(pdev, 0);
 822         shost->unique_id = unique_id;
 823         shost->max_cmd_len = 16;
 824
 825         aac = (struct aac_dev *)shost->hostdata;
 826         aac->scsi_host_ptr = shost;
 827         aac->pdev = pdev;
 828         aac->name = aac_driver_template.name;
 829         aac->id = shost->unique_id;
 830         aac->cardtype =  index;
 831         INIT_LIST_HEAD(&aac->entry);
 832
 833         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
 834         if (!aac->fibs)
 835                 goto out_free_host;
 836         spin_lock_init(&aac->fib_lock);
 837
 838         /*
 839          *      Map in the registers from the adapter.
 840          */
 841         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
 842         if ((aac->regs.sa = ioremap(
 843           (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE))
 844           == NULL) {
 845                 printk(KERN_WARNING "%s: unable to map adapter.\n",
 846                   AAC_DRIVERNAME);
 847                 goto out_free_fibs;
 848         }
 849         if ((*aac_drivers[index].init)(aac))
 850                 goto out_unmap;
 851
 852         /*
 853          *      Start any kernel threads needed
 854          */
 855         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
 856         if (IS_ERR(aac->thread)) {
 857                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
 858                 error = PTR_ERR(aac->thread);
 859                 goto out_deinit;
 860         }
 861
 862         /*
 863          * If we had set a smaller DMA mask earlier, set it to 4gig
 864          * now since the adapter can dma data to at least a 4gig
 865          * address space.
 866          */
 867         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
 868                 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
 869                         goto out_deinit;
 870
 871         aac->maximum_num_channels = aac_drivers[index].channels;
 872         error = aac_get_adapter_info(aac);
 873         if (error < 0)
 874                 goto out_deinit;
 875
 876         /*
 877          * Lets override negotiations and drop the maximum SG limit to 34
 878          */
 879         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
 880                         (aac->scsi_host_ptr->sg_tablesize > 34)) {
 881                 aac->scsi_host_ptr->sg_tablesize = 34;
 882                 aac->scsi_host_ptr->max_sectors
 883                   = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
 884         }
 885
 886         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
 887                         (aac->scsi_host_ptr->sg_tablesize > 17)) {
 888                 aac->scsi_host_ptr->sg_tablesize = 17;
 889                 aac->scsi_host_ptr->max_sectors
 890                   = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
 891         }
 892
 893         /*
 894          * Firware printf works only with older firmware.
 895          */
 896         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
 897                 aac->printf_enabled = 1;
 898         else
 899                 aac->printf_enabled = 0;
 900
 901         /*
 902          * max channel will be the physical channels plus 1 virtual channel
 903          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
 904          * physical channels are address by their actual physical number+1
 905          */
 906         if (aac->nondasd_support == 1)
 907                 shost->max_channel = aac->maximum_num_channels + 1;
 908         else
 909                 shost->max_channel = 1;
 910
 911         aac_get_config_status(aac);
 912         aac_get_containers(aac);
 913         list_add(&aac->entry, insert);
 914
 915         shost->max_id = aac->maximum_num_containers;
 916         if (shost->max_id < aac->maximum_num_physicals)
 917                 shost->max_id = aac->maximum_num_physicals;
 918         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
 919                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
 920         else
 921                 shost->this_id = shost->max_id;
 922
 923         /*
 924          * dmb - we may need to move the setting of these parms somewhere else once
 925          * we get a fib that can report the actual numbers
 926          */
 927         shost->max_lun = AAC_MAX_LUN;
 928
 929         pci_set_drvdata(pdev, shost);
 930
 931         error = scsi_add_host(shost, &pdev->dev);
 932         if (error)
 933                 goto out_deinit;
 934         scsi_scan_host(shost);
 935
 936         return 0;
 937
 938  out_deinit:
 939         kthread_stop(aac->thread);
 940         aac_send_shutdown(aac);
 941         aac_adapter_disable_int(aac);
 942         free_irq(pdev->irq, aac);
 943  out_unmap:
 944         aac_fib_map_free(aac);
 945         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
 946         kfree(aac->queues);
 947         iounmap(aac->regs.sa);
 948  out_free_fibs:
 949         kfree(aac->fibs);
 950         kfree(aac->fsa_dev);
 951  out_free_host:
 952         scsi_host_put(shost);
 953  out_disable_pdev:
 954         pci_disable_device(pdev);
 955  out:
 956         return error;
 957 }
 958
 959 static void aac_shutdown(struct pci_dev *dev)
 960 {
 961         struct Scsi_Host *shost = pci_get_drvdata(dev);
 962         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
 963         aac_send_shutdown(aac);
 964 }
 965
 966 static void __devexit aac_remove_one(struct pci_dev *pdev)
 967 {
 968         struct Scsi_Host *shost = pci_get_drvdata(pdev);
 969         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
 970
 971         scsi_remove_host(shost);
 972
 973         kthread_stop(aac->thread);
 974
 975         aac_send_shutdown(aac);
 976         aac_adapter_disable_int(aac);
 977         aac_fib_map_free(aac);
 978         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
 979                         aac->comm_phys);
 980         kfree(aac->queues);
 981
 982         free_irq(pdev->irq, aac);
 983         iounmap(aac->regs.sa);
 984
 985         kfree(aac->fibs);
 986         kfree(aac->fsa_dev);
 987
 988         list_del(&aac->entry);
 989         scsi_host_put(shost);
 990         pci_disable_device(pdev);
 991 }
 992
 993 static struct pci_driver aac_pci_driver = {
 994         .name           = AAC_DRIVERNAME,
 995         .id_table       = aac_pci_tbl,
 996         .probe          = aac_probe_one,
 997         .remove         = __devexit_p(aac_remove_one),
 998         .shutdown       = aac_shutdown,
 999 };
1000
1001 static int __init aac_init(void)
1002 {
1003         int error;
1004
1005         printk(KERN_INFO "Adaptec %s driver (%s)\n",
1006           AAC_DRIVERNAME, aac_driver_version);
1007
1008         error = pci_register_driver(&aac_pci_driver);
1009         if (error < 0)
1010                 return error;
1011
1012         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1013         if (aac_cfg_major < 0) {
1014                 printk(KERN_WARNING
1015                        "aacraid: unable to register \"aac\" device.\n");
1016         }
1017
1018         return 0;
1019 }
1020
1021 static void __exit aac_exit(void)
1022 {
1023         unregister_chrdev(aac_cfg_major, "aac");
1024         pci_unregister_driver(&aac_pci_driver);
1025 }
1026
1027 module_init(aac_init);
1028 module_exit(aac_exit);