drivers/scsi/aacraid/linit.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc.
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2010 Adaptec, Inc.
   9  *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; see the file COPYING.  If not, write to
  23  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24  *
  25  * Module Name:
  26  *   linit.c
  27  *
  28  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  29  */
  30
  31
  32 #include <linux/compat.h>
  33 #include <linux/blkdev.h>
  34 #include <linux/completion.h>
  35 #include <linux/init.h>
  36 #include <linux/interrupt.h>
  37 #include <linux/kernel.h>
  38 #include <linux/module.h>
  39 #include <linux/moduleparam.h>
  40 #include <linux/pci.h>
  41 #include <linux/slab.h>
  42 #include <linux/mutex.h>
  43 #include <linux/spinlock.h>
  44 #include <linux/syscalls.h>
  45 #include <linux/delay.h>
  46 #include <linux/kthread.h>
  47
  48 #include <scsi/scsi.h>
  49 #include <scsi/scsi_cmnd.h>
  50 #include <scsi/scsi_device.h>
  51 #include <scsi/scsi_host.h>
  52 #include <scsi/scsi_tcq.h>
  53 #include <scsi/scsicam.h>
  54 #include <scsi/scsi_eh.h>
  55
  56 #include "aacraid.h"
  57
  58 #define AAC_DRIVER_VERSION              "1.1-7"
  59 #ifndef AAC_DRIVER_BRANCH
  60 #define AAC_DRIVER_BRANCH               ""
  61 #endif
  62 #define AAC_DRIVERNAME                  "aacraid"
  63
  64 #ifdef AAC_DRIVER_BUILD
  65 #define _str(x) #x
  66 #define str(x) _str(x)
  67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  68 #else
  69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  70 #endif
  71
  72 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  74                    "Adaptec Advanced Raid Products, "
  75                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  76 MODULE_LICENSE("GPL");
  77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  78
  79 static DEFINE_MUTEX(aac_mutex);
  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 #ifdef DECLARE_PCI_DEVICE_TABLE
  91 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
  92 #elif defined(__devinitconst)
  93 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
  94 #else
  95 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
  96 #endif
  97         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  98         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  99         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
 100         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 101         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
 102         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 103         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 104         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 105         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 106         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 107         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 108         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 109         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 110         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 111         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 112         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 113
 114         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 115         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 116         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 117         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 118         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 119         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 120         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 121         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 122         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 123         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 124         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 125         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 126         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 127         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 128         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 129         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 130         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 131         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 132         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 133         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 134         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 135         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 136         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 137         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 138         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 139         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 140         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 141         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 142         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 143         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 144         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 145         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 146         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 147         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 148         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 149         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 150         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 151         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 152
 153         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 154         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 155         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 156         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 157         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 158
 159         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 160         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 161         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 162         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 163         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 164         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Catch All */
 165         { 0,}
 166 };
 167 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 168
 169 /*
 170  * dmb - For now we add the number of channels to this structure.
 171  * In the future we should add a fib that reports the number of channels
 172  * for the card.  At that time we can remove the channels from here
 173  */
 174 static struct aac_driver_ident aac_drivers[] = {
 175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 182         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 183         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 187         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 188         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 189         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 190         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 191
 192         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 193         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 194         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 195         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 199         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 200         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 204         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 205         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 206         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 207         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 208         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 209         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 210         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 213         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 214         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 215         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 219         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 220         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 221         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 222         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 223         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 225         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 226         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 227         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 228
 229         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 230         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 231         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 232         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 233         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 234
 235         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 236         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 237         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 238         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 239         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 240         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Catch All */
 241 };
 242
 243 /**
 244  *      aac_queuecommand        -       queue a SCSI command
 245  *      @cmd:           SCSI command to queue
 246  *      @done:          Function to call on command completion
 247  *
 248  *      Queues a command for execution by the associated Host Adapter.
 249  *
 250  *      TODO: unify with aac_scsi_cmd().
 251  */
 252
 253 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 254 {
 255         struct Scsi_Host *host = cmd->device->host;
 256         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 257         u32 count = 0;
 258         cmd->scsi_done = done;
 259         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 260                 struct fib * fib = &dev->fibs[count];
 261                 struct scsi_cmnd * command;
 262                 if (fib->hw_fib_va->header.XferState &&
 263                     ((command = fib->callback_data)) &&
 264                     (command == cmd) &&
 265                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 266                         return 0; /* Already owned by Adapter */
 267         }
 268         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 269         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 270 }
 271
 272 static DEF_SCSI_QCMD(aac_queuecommand)
 273
 274 /**
 275  *      aac_info                -       Returns the host adapter name
 276  *      @shost:         Scsi host to report on
 277  *
 278  *      Returns a static string describing the device in question
 279  */
 280
 281 static const char *aac_info(struct Scsi_Host *shost)
 282 {
 283         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 284         return aac_drivers[dev->cardtype].name;
 285 }
 286
 287 /**
 288  *      aac_get_driver_ident
 289  *      @devtype: index into lookup table
 290  *
 291  *      Returns a pointer to the entry in the driver lookup table.
 292  */
 293
 294 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 295 {
 296         return &aac_drivers[devtype];
 297 }
 298
 299 /**
 300  *      aac_biosparm    -       return BIOS parameters for disk
 301  *      @sdev: The scsi device corresponding to the disk
 302  *      @bdev: the block device corresponding to the disk
 303  *      @capacity: the sector capacity of the disk
 304  *      @geom: geometry block to fill in
 305  *
 306  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 307  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 308  *      number of cylinders so as not to exceed drive capacity.  In order for
 309  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 310  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 311  *      Translation should be enabled.   With Extended Translation enabled,
 312  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 313  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 314  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 315  *      the BIOS detects that the Extended Translation setting does not match
 316  *      the geometry in the partition table, then the translation inferred
 317  *      from the partition table will be used by the BIOS, and a warning may
 318  *      be displayed.
 319  */
 320
 321 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 322                         sector_t capacity, int *geom)
 323 {
 324         struct diskparm *param = (struct diskparm *)geom;
 325         unsigned char *buf;
 326
 327         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 328
 329         /*
 330          *      Assuming extended translation is enabled - #REVISIT#
 331          */
 332         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 333                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 334                         param->heads = 255;
 335                         param->sectors = 63;
 336                 } else {
 337                         param->heads = 128;
 338                         param->sectors = 32;
 339                 }
 340         } else {
 341                 param->heads = 64;
 342                 param->sectors = 32;
 343         }
 344
 345         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 346
 347         /*
 348          *      Read the first 1024 bytes from the disk device, if the boot
 349          *      sector partition table is valid, search for a partition table
 350          *      entry whose end_head matches one of the standard geometry
 351          *      translations ( 64/32, 128/32, 255/63 ).
 352          */
 353         buf = scsi_bios_ptable(bdev);
 354         if (!buf)
 355                 return 0;
 356         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 357                 struct partition *first = (struct partition * )buf;
 358                 struct partition *entry = first;
 359                 int saved_cylinders = param->cylinders;
 360                 int num;
 361                 unsigned char end_head, end_sec;
 362
 363                 for(num = 0; num < 4; num++) {
 364                         end_head = entry->end_head;
 365                         end_sec = entry->end_sector & 0x3f;
 366
 367                         if(end_head == 63) {
 368                                 param->heads = 64;
 369                                 param->sectors = 32;
 370                                 break;
 371                         } else if(end_head == 127) {
 372                                 param->heads = 128;
 373                                 param->sectors = 32;
 374                                 break;
 375                         } else if(end_head == 254) {
 376                                 param->heads = 255;
 377                                 param->sectors = 63;
 378                                 break;
 379                         }
 380                         entry++;
 381                 }
 382
 383                 if (num == 4) {
 384                         end_head = first->end_head;
 385                         end_sec = first->end_sector & 0x3f;
 386                 }
 387
 388                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 389                 if (num < 4 && end_sec == param->sectors) {
 390                         if (param->cylinders != saved_cylinders)
 391                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 392                                         param->heads, param->sectors, num));
 393                 } else if (end_head > 0 || end_sec > 0) {
 394                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 395                                 end_head + 1, end_sec, num));
 396                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 397                                         param->heads, param->sectors));
 398                 }
 399         }
 400         kfree(buf);
 401         return 0;
 402 }
 403
 404 /**
 405  *      aac_slave_configure             -       compute queue depths
 406  *      @sdev:  SCSI device we are considering
 407  *
 408  *      Selects queue depths for each target device based on the host adapter's
 409  *      total capacity and the queue depth supported by the target device.
 410  *      A queue depth of one automatically disables tagged queueing.
 411  */
 412
 413 static int aac_slave_configure(struct scsi_device *sdev)
 414 {
 415         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 416         if (aac->jbod && (sdev->type == TYPE_DISK))
 417                 sdev->removable = 1;
 418         if ((sdev->type == TYPE_DISK) &&
 419                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 420                         (!aac->jbod || sdev->inq_periph_qual) &&
 421                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 422                 if (expose_physicals == 0)
 423                         return -ENXIO;
 424                 if (expose_physicals < 0)
 425                         sdev->no_uld_attach = 1;
 426         }
 427         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 428                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 429                         !sdev->no_uld_attach) {
 430                 struct scsi_device * dev;
 431                 struct Scsi_Host *host = sdev->host;
 432                 unsigned num_lsu = 0;
 433                 unsigned num_one = 0;
 434                 unsigned depth;
 435                 unsigned cid;
 436
 437                 /*
 438                  * Firmware has an individual device recovery time typically
 439                  * of 35 seconds, give us a margin.
 440                  */
 441                 if (sdev->request_queue->rq_timeout < (45 * HZ))
 442                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 443                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 444                         if (aac->fsa_dev[cid].valid)
 445                                 ++num_lsu;
 446                 __shost_for_each_device(dev, host) {
 447                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 448                                         (!aac->raid_scsi_mode ||
 449                                                 (sdev_channel(sdev) != 2)) &&
 450                                         !dev->no_uld_attach) {
 451                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 452                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 453                                         ++num_lsu;
 454                         } else
 455                                 ++num_one;
 456                 }
 457                 if (num_lsu == 0)
 458                         ++num_lsu;
 459                 depth = (host->can_queue - num_one) / num_lsu;
 460                 if (depth > 256)
 461                         depth = 256;
 462                 else if (depth < 2)
 463                         depth = 2;
 464                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 465         } else
 466                 scsi_adjust_queue_depth(sdev, 0, 1);
 467
 468         return 0;
 469 }
 470
 471 /**
 472  *      aac_change_queue_depth          -       alter queue depths
 473  *      @sdev:  SCSI device we are considering
 474  *      @depth: desired queue depth
 475  *
 476  *      Alters queue depths for target device based on the host adapter's
 477  *      total capacity and the queue depth supported by the target device.
 478  */
 479
 480 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
 481                                   int reason)
 482 {
 483         if (reason != SCSI_QDEPTH_DEFAULT)
 484                 return -EOPNOTSUPP;
 485
 486         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 487             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 488                 struct scsi_device * dev;
 489                 struct Scsi_Host *host = sdev->host;
 490                 unsigned num = 0;
 491
 492                 __shost_for_each_device(dev, host) {
 493                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 494                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 495                                 ++num;
 496                         ++num;
 497                 }
 498                 if (num >= host->can_queue)
 499                         num = host->can_queue - 1;
 500                 if (depth > (host->can_queue - num))
 501                         depth = host->can_queue - num;
 502                 if (depth > 256)
 503                         depth = 256;
 504                 else if (depth < 2)
 505                         depth = 2;
 506                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 507         } else
 508                 scsi_adjust_queue_depth(sdev, 0, 1);
 509         return sdev->queue_depth;
 510 }
 511
 512 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 513 {
 514         struct scsi_device *sdev = to_scsi_device(dev);
 515         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 516         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 517                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 518                   ? "Hidden\n" :
 519                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 520         return snprintf(buf, PAGE_SIZE, "%s\n",
 521           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 522 }
 523
 524 static struct device_attribute aac_raid_level_attr = {
 525         .attr = {
 526                 .name = "level",
 527                 .mode = S_IRUGO,
 528         },
 529         .show = aac_show_raid_level
 530 };
 531
 532 static struct device_attribute *aac_dev_attrs[] = {
 533         &aac_raid_level_attr,
 534         NULL,
 535 };
 536
 537 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 538 {
 539         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 540         if (!capable(CAP_SYS_RAWIO))
 541                 return -EPERM;
 542         return aac_do_ioctl(dev, cmd, arg);
 543 }
 544
 545 static int aac_eh_abort(struct scsi_cmnd* cmd)
 546 {
 547         struct scsi_device * dev = cmd->device;
 548         struct Scsi_Host * host = dev->host;
 549         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 550         int count;
 551         int ret = FAILED;
 552
 553         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
 554                 AAC_DRIVERNAME,
 555                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 556         switch (cmd->cmnd[0]) {
 557         case SERVICE_ACTION_IN:
 558                 if (!(aac->raw_io_interface) ||
 559                     !(aac->raw_io_64) ||
 560                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 561                         break;
 562         case INQUIRY:
 563         case READ_CAPACITY:
 564                 /* Mark associated FIB to not complete, eh handler does this */
 565                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 566                         struct fib * fib = &aac->fibs[count];
 567                         if (fib->hw_fib_va->header.XferState &&
 568                           (fib->flags & FIB_CONTEXT_FLAG) &&
 569                           (fib->callback_data == cmd)) {
 570                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 571                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 572                                 ret = SUCCESS;
 573                         }
 574                 }
 575                 break;
 576         case TEST_UNIT_READY:
 577                 /* Mark associated FIB to not complete, eh handler does this */
 578                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 579                         struct scsi_cmnd * command;
 580                         struct fib * fib = &aac->fibs[count];
 581                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 582                           (fib->flags & FIB_CONTEXT_FLAG) &&
 583                           ((command = fib->callback_data)) &&
 584                           (command->device == cmd->device)) {
 585                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 586                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 587                                 if (command == cmd)
 588                                         ret = SUCCESS;
 589                         }
 590                 }
 591         }
 592         return ret;
 593 }
 594
 595 /*
 596  *      aac_eh_reset    - Reset command handling
 597  *      @scsi_cmd:      SCSI command block causing the reset
 598  *
 599  */
 600 static int aac_eh_reset(struct scsi_cmnd* cmd)
 601 {
 602         struct scsi_device * dev = cmd->device;
 603         struct Scsi_Host * host = dev->host;
 604         struct scsi_cmnd * command;
 605         int count;
 606         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 607         unsigned long flags;
 608
 609         /* Mark the associated FIB to not complete, eh handler does this */
 610         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 611                 struct fib * fib = &aac->fibs[count];
 612                 if (fib->hw_fib_va->header.XferState &&
 613                   (fib->flags & FIB_CONTEXT_FLAG) &&
 614                   (fib->callback_data == cmd)) {
 615                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 616                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 617                 }
 618         }
 619         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 620                                         AAC_DRIVERNAME);
 621
 622         if ((count = aac_check_health(aac)))
 623                 return count;
 624         /*
 625          * Wait for all commands to complete to this specific
 626          * target (block maximum 60 seconds).
 627          */
 628         for (count = 60; count; --count) {
 629                 int active = aac->in_reset;
 630
 631                 if (active == 0)
 632                 __shost_for_each_device(dev, host) {
 633                         spin_lock_irqsave(&dev->list_lock, flags);
 634                         list_for_each_entry(command, &dev->cmd_list, list) {
 635                                 if ((command != cmd) &&
 636                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 637                                         active++;
 638                                         break;
 639                                 }
 640                         }
 641                         spin_unlock_irqrestore(&dev->list_lock, flags);
 642                         if (active)
 643                                 break;
 644
 645                 }
 646                 /*
 647                  * We can exit If all the commands are complete
 648                  */
 649                 if (active == 0)
 650                         return SUCCESS;
 651                 ssleep(1);
 652         }
 653         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 654         /*
 655          * This adapter needs a blind reset, only do so for Adapters that
 656          * support a register, instead of a commanded, reset.
 657          */
 658         if (((aac->supplement_adapter_info.SupportedOptions2 &
 659           AAC_OPTION_MU_RESET) ||
 660           (aac->supplement_adapter_info.SupportedOptions2 &
 661           AAC_OPTION_DOORBELL_RESET)) &&
 662           aac_check_reset &&
 663           ((aac_check_reset != 1) ||
 664            !(aac->supplement_adapter_info.SupportedOptions2 &
 665             AAC_OPTION_IGNORE_RESET)))
 666                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 667         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 668 }
 669
 670 /**
 671  *      aac_cfg_open            -       open a configuration file
 672  *      @inode: inode being opened
 673  *      @file: file handle attached
 674  *
 675  *      Called when the configuration device is opened. Does the needed
 676  *      set up on the handle and then returns
 677  *
 678  *      Bugs: This needs extending to check a given adapter is present
 679  *      so we can support hot plugging, and to ref count adapters.
 680  */
 681
 682 static int aac_cfg_open(struct inode *inode, struct file *file)
 683 {
 684         struct aac_dev *aac;
 685         unsigned minor_number = iminor(inode);
 686         int err = -ENODEV;
 687
 688         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 689         list_for_each_entry(aac, &aac_devices, entry) {
 690                 if (aac->id == minor_number) {
 691                         file->private_data = aac;
 692                         err = 0;
 693                         break;
 694                 }
 695         }
 696         mutex_unlock(&aac_mutex);
 697
 698         return err;
 699 }
 700
 701 /**
 702  *      aac_cfg_ioctl           -       AAC configuration request
 703  *      @inode: inode of device
 704  *      @file: file handle
 705  *      @cmd: ioctl command code
 706  *      @arg: argument
 707  *
 708  *      Handles a configuration ioctl. Currently this involves wrapping it
 709  *      up and feeding it into the nasty windowsalike glue layer.
 710  *
 711  *      Bugs: Needs locking against parallel ioctls lower down
 712  *      Bugs: Needs to handle hot plugging
 713  */
 714
 715 static long aac_cfg_ioctl(struct file *file,
 716                 unsigned int cmd, unsigned long arg)
 717 {
 718         int ret;
 719         if (!capable(CAP_SYS_RAWIO))
 720                 return -EPERM;
 721         mutex_lock(&aac_mutex);
 722         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 723         mutex_unlock(&aac_mutex);
 724
 725         return ret;
 726 }
 727
 728 #ifdef CONFIG_COMPAT
 729 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 730 {
 731         long ret;
 732         mutex_lock(&aac_mutex);
 733         switch (cmd) {
 734         case FSACTL_MINIPORT_REV_CHECK:
 735         case FSACTL_SENDFIB:
 736         case FSACTL_OPEN_GET_ADAPTER_FIB:
 737         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 738         case FSACTL_SEND_RAW_SRB:
 739         case FSACTL_GET_PCI_INFO:
 740         case FSACTL_QUERY_DISK:
 741         case FSACTL_DELETE_DISK:
 742         case FSACTL_FORCE_DELETE_DISK:
 743         case FSACTL_GET_CONTAINERS:
 744         case FSACTL_SEND_LARGE_FIB:
 745                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 746                 break;
 747
 748         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 749                 struct fib_ioctl __user *f;
 750
 751                 f = compat_alloc_user_space(sizeof(*f));
 752                 ret = 0;
 753                 if (clear_user(f, sizeof(*f)))
 754                         ret = -EFAULT;
 755                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 756                         ret = -EFAULT;
 757                 if (!ret)
 758                         ret = aac_do_ioctl(dev, cmd, f);
 759                 break;
 760         }
 761
 762         default:
 763                 ret = -ENOIOCTLCMD;
 764                 break;
 765         }
 766         mutex_unlock(&aac_mutex);
 767         return ret;
 768 }
 769
 770 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 771 {
 772         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 773         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 774 }
 775
 776 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 777 {
 778         if (!capable(CAP_SYS_RAWIO))
 779                 return -EPERM;
 780         return aac_compat_do_ioctl(file->private_data, cmd, arg);
 781 }
 782 #endif
 783
 784 static ssize_t aac_show_model(struct device *device,
 785                               struct device_attribute *attr, char *buf)
 786 {
 787         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 788         int len;
 789
 790         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 791                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 792                 while (*cp && *cp != ' ')
 793                         ++cp;
 794                 while (*cp == ' ')
 795                         ++cp;
 796                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 797         } else
 798                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 799                   aac_drivers[dev->cardtype].model);
 800         return len;
 801 }
 802
 803 static ssize_t aac_show_vendor(struct device *device,
 804                                struct device_attribute *attr, char *buf)
 805 {
 806         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 807         int len;
 808
 809         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 810                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 811                 while (*cp && *cp != ' ')
 812                         ++cp;
 813                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 814                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 815                   dev->supplement_adapter_info.AdapterTypeText);
 816         } else
 817                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 818                   aac_drivers[dev->cardtype].vname);
 819         return len;
 820 }
 821
 822 static ssize_t aac_show_flags(struct device *cdev,
 823                               struct device_attribute *attr, char *buf)
 824 {
 825         int len = 0;
 826         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 827
 828         if (nblank(dprintk(x)))
 829                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 830 #ifdef AAC_DETAILED_STATUS_INFO
 831         len += snprintf(buf + len, PAGE_SIZE - len,
 832                         "AAC_DETAILED_STATUS_INFO\n");
 833 #endif
 834         if (dev->raw_io_interface && dev->raw_io_64)
 835                 len += snprintf(buf + len, PAGE_SIZE - len,
 836                                 "SAI_READ_CAPACITY_16\n");
 837         if (dev->jbod)
 838                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 839         if (dev->supplement_adapter_info.SupportedOptions2 &
 840                 AAC_OPTION_POWER_MANAGEMENT)
 841                 len += snprintf(buf + len, PAGE_SIZE - len,
 842                                 "SUPPORTED_POWER_MANAGEMENT\n");
 843         if (dev->msi)
 844                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 845         return len;
 846 }
 847
 848 static ssize_t aac_show_kernel_version(struct device *device,
 849                                        struct device_attribute *attr,
 850                                        char *buf)
 851 {
 852         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 853         int len, tmp;
 854
 855         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 856         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 857           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 858           le32_to_cpu(dev->adapter_info.kernelbuild));
 859         return len;
 860 }
 861
 862 static ssize_t aac_show_monitor_version(struct device *device,
 863                                         struct device_attribute *attr,
 864                                         char *buf)
 865 {
 866         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 867         int len, tmp;
 868
 869         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 870         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 871           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 872           le32_to_cpu(dev->adapter_info.monitorbuild));
 873         return len;
 874 }
 875
 876 static ssize_t aac_show_bios_version(struct device *device,
 877                                      struct device_attribute *attr,
 878                                      char *buf)
 879 {
 880         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 881         int len, tmp;
 882
 883         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 884         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 885           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 886           le32_to_cpu(dev->adapter_info.biosbuild));
 887         return len;
 888 }
 889
 890 static ssize_t aac_show_serial_number(struct device *device,
 891                                struct device_attribute *attr, char *buf)
 892 {
 893         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 894         int len = 0;
 895
 896         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 897                 len = snprintf(buf, 16, "%06X\n",
 898                   le32_to_cpu(dev->adapter_info.serial[0]));
 899         if (len &&
 900           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 901             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 902           buf, len-1))
 903                 len = snprintf(buf, 16, "%.*s\n",
 904                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 905                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 906
 907         return min(len, 16);
 908 }
 909
 910 static ssize_t aac_show_max_channel(struct device *device,
 911                                     struct device_attribute *attr, char *buf)
 912 {
 913         return snprintf(buf, PAGE_SIZE, "%d\n",
 914           class_to_shost(device)->max_channel);
 915 }
 916
 917 static ssize_t aac_show_max_id(struct device *device,
 918                                struct device_attribute *attr, char *buf)
 919 {
 920         return snprintf(buf, PAGE_SIZE, "%d\n",
 921           class_to_shost(device)->max_id);
 922 }
 923
 924 static ssize_t aac_store_reset_adapter(struct device *device,
 925                                        struct device_attribute *attr,
 926                                        const char *buf, size_t count)
 927 {
 928         int retval = -EACCES;
 929
 930         if (!capable(CAP_SYS_ADMIN))
 931                 return retval;
 932         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 933         if (retval >= 0)
 934                 retval = count;
 935         return retval;
 936 }
 937
 938 static ssize_t aac_show_reset_adapter(struct device *device,
 939                                       struct device_attribute *attr,
 940                                       char *buf)
 941 {
 942         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 943         int len, tmp;
 944
 945         tmp = aac_adapter_check_health(dev);
 946         if ((tmp == 0) && dev->in_reset)
 947                 tmp = -EBUSY;
 948         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 949         return len;
 950 }
 951
 952 static struct device_attribute aac_model = {
 953         .attr = {
 954                 .name = "model",
 955                 .mode = S_IRUGO,
 956         },
 957         .show = aac_show_model,
 958 };
 959 static struct device_attribute aac_vendor = {
 960         .attr = {
 961                 .name = "vendor",
 962                 .mode = S_IRUGO,
 963         },
 964         .show = aac_show_vendor,
 965 };
 966 static struct device_attribute aac_flags = {
 967         .attr = {
 968                 .name = "flags",
 969                 .mode = S_IRUGO,
 970         },
 971         .show = aac_show_flags,
 972 };
 973 static struct device_attribute aac_kernel_version = {
 974         .attr = {
 975                 .name = "hba_kernel_version",
 976                 .mode = S_IRUGO,
 977         },
 978         .show = aac_show_kernel_version,
 979 };
 980 static struct device_attribute aac_monitor_version = {
 981         .attr = {
 982                 .name = "hba_monitor_version",
 983                 .mode = S_IRUGO,
 984         },
 985         .show = aac_show_monitor_version,
 986 };
 987 static struct device_attribute aac_bios_version = {
 988         .attr = {
 989                 .name = "hba_bios_version",
 990                 .mode = S_IRUGO,
 991         },
 992         .show = aac_show_bios_version,
 993 };
 994 static struct device_attribute aac_serial_number = {
 995         .attr = {
 996                 .name = "serial_number",
 997                 .mode = S_IRUGO,
 998         },
 999         .show = aac_show_serial_number,
1000 };
1001 static struct device_attribute aac_max_channel = {
1002         .attr = {
1003                 .name = "max_channel",
1004                 .mode = S_IRUGO,
1005         },
1006         .show = aac_show_max_channel,
1007 };
1008 static struct device_attribute aac_max_id = {
1009         .attr = {
1010                 .name = "max_id",
1011                 .mode = S_IRUGO,
1012         },
1013         .show = aac_show_max_id,
1014 };
1015 static struct device_attribute aac_reset = {
1016         .attr = {
1017                 .name = "reset_host",
1018                 .mode = S_IWUSR|S_IRUGO,
1019         },
1020         .store = aac_store_reset_adapter,
1021         .show = aac_show_reset_adapter,
1022 };
1023
1024 static struct device_attribute *aac_attrs[] = {
1025         &aac_model,
1026         &aac_vendor,
1027         &aac_flags,
1028         &aac_kernel_version,
1029         &aac_monitor_version,
1030         &aac_bios_version,
1031         &aac_serial_number,
1032         &aac_max_channel,
1033         &aac_max_id,
1034         &aac_reset,
1035         NULL
1036 };
1037
1038 ssize_t aac_get_serial_number(struct device *device, char *buf)
1039 {
1040         return aac_show_serial_number(device, &aac_serial_number, buf);
1041 }
1042
1043 static const struct file_operations aac_cfg_fops = {
1044         .owner          = THIS_MODULE,
1045         .unlocked_ioctl = aac_cfg_ioctl,
1046 #ifdef CONFIG_COMPAT
1047         .compat_ioctl   = aac_compat_cfg_ioctl,
1048 #endif
1049         .open           = aac_cfg_open,
1050         .llseek         = noop_llseek,
1051 };
1052
1053 static struct scsi_host_template aac_driver_template = {
1054         .module                         = THIS_MODULE,
1055         .name                           = "AAC",
1056         .proc_name                      = AAC_DRIVERNAME,
1057         .info                           = aac_info,
1058         .ioctl                          = aac_ioctl,
1059 #ifdef CONFIG_COMPAT
1060         .compat_ioctl                   = aac_compat_ioctl,
1061 #endif
1062         .queuecommand                   = aac_queuecommand,
1063         .bios_param                     = aac_biosparm,
1064         .shost_attrs                    = aac_attrs,
1065         .slave_configure                = aac_slave_configure,
1066         .change_queue_depth             = aac_change_queue_depth,
1067         .sdev_attrs                     = aac_dev_attrs,
1068         .eh_abort_handler               = aac_eh_abort,
1069         .eh_host_reset_handler          = aac_eh_reset,
1070         .can_queue                      = AAC_NUM_IO_FIB,
1071         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1072         .sg_tablesize                   = 16,
1073         .max_sectors                    = 128,
1074 #if (AAC_NUM_IO_FIB > 256)
1075         .cmd_per_lun                    = 256,
1076 #else
1077         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1078 #endif
1079         .use_clustering                 = ENABLE_CLUSTERING,
1080         .emulated                       = 1,
1081 };
1082
1083 static void __aac_shutdown(struct aac_dev * aac)
1084 {
1085         if (aac->aif_thread)
1086                 kthread_stop(aac->thread);
1087         aac_send_shutdown(aac);
1088         aac_adapter_disable_int(aac);
1089         free_irq(aac->pdev->irq, aac);
1090         if (aac->msi)
1091                 pci_disable_msi(aac->pdev);
1092 }
1093
1094 static int __devinit aac_probe_one(struct pci_dev *pdev,
1095                 const struct pci_device_id *id)
1096 {
1097         unsigned index = id->driver_data;
1098         struct Scsi_Host *shost;
1099         struct aac_dev *aac;
1100         struct list_head *insert = &aac_devices;
1101         int error = -ENODEV;
1102         int unique_id = 0;
1103         u64 dmamask;
1104
1105         list_for_each_entry(aac, &aac_devices, entry) {
1106                 if (aac->id > unique_id)
1107                         break;
1108                 insert = &aac->entry;
1109                 unique_id++;
1110         }
1111
1112         error = pci_enable_device(pdev);
1113         if (error)
1114                 goto out;
1115         error = -ENODEV;
1116
1117         /*
1118          * If the quirk31 bit is set, the adapter needs adapter
1119          * to driver communication memory to be allocated below 2gig
1120          */
1121         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1122                 dmamask = DMA_BIT_MASK(31);
1123         else
1124                 dmamask = DMA_BIT_MASK(32);
1125
1126         if (pci_set_dma_mask(pdev, dmamask) ||
1127                         pci_set_consistent_dma_mask(pdev, dmamask))
1128                 goto out_disable_pdev;
1129
1130         pci_set_master(pdev);
1131
1132         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1133         if (!shost)
1134                 goto out_disable_pdev;
1135
1136         shost->irq = pdev->irq;
1137         shost->base = pci_resource_start(pdev, 0);
1138         shost->unique_id = unique_id;
1139         shost->max_cmd_len = 16;
1140
1141         aac = (struct aac_dev *)shost->hostdata;
1142         aac->scsi_host_ptr = shost;
1143         aac->pdev = pdev;
1144         aac->name = aac_driver_template.name;
1145         aac->id = shost->unique_id;
1146         aac->cardtype = index;
1147         INIT_LIST_HEAD(&aac->entry);
1148
1149         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1150         if (!aac->fibs)
1151                 goto out_free_host;
1152         spin_lock_init(&aac->fib_lock);
1153
1154         /*
1155          *      Map in the registers from the adapter.
1156          */
1157         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1158         if ((*aac_drivers[index].init)(aac))
1159                 goto out_unmap;
1160
1161         /*
1162          *      Start any kernel threads needed
1163          */
1164         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1165         if (IS_ERR(aac->thread)) {
1166                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1167                 error = PTR_ERR(aac->thread);
1168                 goto out_deinit;
1169         }
1170
1171         /*
1172          * If we had set a smaller DMA mask earlier, set it to 4gig
1173          * now since the adapter can dma data to at least a 4gig
1174          * address space.
1175          */
1176         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1177                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1178                         goto out_deinit;
1179
1180         aac->maximum_num_channels = aac_drivers[index].channels;
1181         error = aac_get_adapter_info(aac);
1182         if (error < 0)
1183                 goto out_deinit;
1184
1185         /*
1186          * Lets override negotiations and drop the maximum SG limit to 34
1187          */
1188         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1189                         (shost->sg_tablesize > 34)) {
1190                 shost->sg_tablesize = 34;
1191                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1192         }
1193
1194         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1195                         (shost->sg_tablesize > 17)) {
1196                 shost->sg_tablesize = 17;
1197                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1198         }
1199
1200         error = pci_set_dma_max_seg_size(pdev,
1201                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1202                         (shost->max_sectors << 9) : 65536);
1203         if (error)
1204                 goto out_deinit;
1205
1206         /*
1207          * Firmware printf works only with older firmware.
1208          */
1209         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1210                 aac->printf_enabled = 1;
1211         else
1212                 aac->printf_enabled = 0;
1213
1214         /*
1215          * max channel will be the physical channels plus 1 virtual channel
1216          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1217          * physical channels are address by their actual physical number+1
1218          */
1219         if (aac->nondasd_support || expose_physicals || aac->jbod)
1220                 shost->max_channel = aac->maximum_num_channels;
1221         else
1222                 shost->max_channel = 0;
1223
1224         aac_get_config_status(aac, 0);
1225         aac_get_containers(aac);
1226         list_add(&aac->entry, insert);
1227
1228         shost->max_id = aac->maximum_num_containers;
1229         if (shost->max_id < aac->maximum_num_physicals)
1230                 shost->max_id = aac->maximum_num_physicals;
1231         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1232                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1233         else
1234                 shost->this_id = shost->max_id;
1235
1236         /*
1237          * dmb - we may need to move the setting of these parms somewhere else once
1238          * we get a fib that can report the actual numbers
1239          */
1240         shost->max_lun = AAC_MAX_LUN;
1241
1242         pci_set_drvdata(pdev, shost);
1243
1244         error = scsi_add_host(shost, &pdev->dev);
1245         if (error)
1246                 goto out_deinit;
1247         scsi_scan_host(shost);
1248
1249         return 0;
1250
1251  out_deinit:
1252         __aac_shutdown(aac);
1253  out_unmap:
1254         aac_fib_map_free(aac);
1255         if (aac->comm_addr)
1256                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1257                   aac->comm_phys);
1258         kfree(aac->queues);
1259         aac_adapter_ioremap(aac, 0);
1260         kfree(aac->fibs);
1261         kfree(aac->fsa_dev);
1262  out_free_host:
1263         scsi_host_put(shost);
1264  out_disable_pdev:
1265         pci_disable_device(pdev);
1266  out:
1267         return error;
1268 }
1269
1270 static void aac_shutdown(struct pci_dev *dev)
1271 {
1272         struct Scsi_Host *shost = pci_get_drvdata(dev);
1273         scsi_block_requests(shost);
1274         __aac_shutdown((struct aac_dev *)shost->hostdata);
1275 }
1276
1277 static void __devexit aac_remove_one(struct pci_dev *pdev)
1278 {
1279         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1280         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1281
1282         scsi_remove_host(shost);
1283
1284         __aac_shutdown(aac);
1285         aac_fib_map_free(aac);
1286         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1287                         aac->comm_phys);
1288         kfree(aac->queues);
1289
1290         aac_adapter_ioremap(aac, 0);
1291
1292         kfree(aac->fibs);
1293         kfree(aac->fsa_dev);
1294
1295         list_del(&aac->entry);
1296         scsi_host_put(shost);
1297         pci_disable_device(pdev);
1298         if (list_empty(&aac_devices)) {
1299                 unregister_chrdev(aac_cfg_major, "aac");
1300                 aac_cfg_major = -1;
1301         }
1302 }
1303
1304 static struct pci_driver aac_pci_driver = {
1305         .name           = AAC_DRIVERNAME,
1306         .id_table       = aac_pci_tbl,
1307         .probe          = aac_probe_one,
1308         .remove         = __devexit_p(aac_remove_one),
1309         .shutdown       = aac_shutdown,
1310 };
1311
1312 static int __init aac_init(void)
1313 {
1314         int error;
1315
1316         printk(KERN_INFO "Adaptec %s driver %s\n",
1317           AAC_DRIVERNAME, aac_driver_version);
1318
1319         error = pci_register_driver(&aac_pci_driver);
1320         if (error < 0)
1321                 return error;
1322
1323         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1324         if (aac_cfg_major < 0) {
1325                 printk(KERN_WARNING
1326                         "aacraid: unable to register \"aac\" device.\n");
1327         }
1328
1329         return 0;
1330 }
1331
1332 static void __exit aac_exit(void)
1333 {
1334         if (aac_cfg_major > -1)
1335                 unregister_chrdev(aac_cfg_major, "aac");
1336         pci_unregister_driver(&aac_pci_driver);
1337 }
1338
1339 module_init(aac_init);
1340 module_exit(aac_exit);