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) 2000-2007 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
  31 #include <linux/compat.h>
  32 #include <linux/blkdev.h>
  33 #include <linux/completion.h>
  34 #include <linux/init.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/kernel.h>
  37 #include <linux/module.h>
  38 #include <linux/moduleparam.h>
  39 #include <linux/pci.h>
  40 #include <linux/slab.h>
  41 #include <linux/smp_lock.h>
  42 #include <linux/spinlock.h>
  43 #include <linux/syscalls.h>
  44 #include <linux/delay.h>
  45 #include <linux/kthread.h>
  46
  47 #include <scsi/scsi.h>
  48 #include <scsi/scsi_cmnd.h>
  49 #include <scsi/scsi_device.h>
  50 #include <scsi/scsi_host.h>
  51 #include <scsi/scsi_tcq.h>
  52 #include <scsi/scsicam.h>
  53 #include <scsi/scsi_eh.h>
  54
  55 #include "aacraid.h"
  56
  57 #define AAC_DRIVER_VERSION              "1.1-5"
  58 #ifndef AAC_DRIVER_BRANCH
  59 #define AAC_DRIVER_BRANCH               ""
  60 #endif
  61 #define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
  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 " " AAC_DRIVER_BUILD_DATE
  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 LIST_HEAD(aac_devices);
  80 static int aac_cfg_major = -1;
  81 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  82
  83 /*
  84  * Because of the way Linux names scsi devices, the order in this table has
  85  * become important.  Check for on-board Raid first, add-in cards second.
  86  *
  87  * Note: The last field is used to index into aac_drivers below.
  88  */
  89 #ifdef DECLARE_PCI_DEVICE_TABLE
  90 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
  91 #elif defined(__devinitconst)
  92 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
  93 #else
  94 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
  95 #endif
  96         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  97         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  98         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  99         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 100         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
 101         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 102         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 103         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 104         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 105         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 106         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 107         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 108         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 109         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 110         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 111         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 112
 113         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 114         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 115         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 116         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 117         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 118         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 119         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 120         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 121         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 122         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 123         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 124         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 125         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 126         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 127         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 128         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 129         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 130         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 131         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 132         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 133         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 134         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 135         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 136         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 137         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 138         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 139         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 140         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 141         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 142         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 143         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 144         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 145         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 146         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 147         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 148         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 149         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 150         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 151
 152         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 153         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 154         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 155         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 156         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 157
 158         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 159         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 160         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 161         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 162         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 163         { 0,}
 164 };
 165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 166
 167 /*
 168  * dmb - For now we add the number of channels to this structure.
 169  * In the future we should add a fib that reports the number of channels
 170  * for the card.  At that time we can remove the channels from here
 171  */
 172 static struct aac_driver_ident aac_drivers[] = {
 173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 182         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 183         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 187         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 189
 190         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 192         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 194         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 199         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 204         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 205         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 206         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 207         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 208         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 212         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 213         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 219         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 220         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 222         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 225         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 226
 227         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 228         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 229         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 230         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 231         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 232
 233         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 234         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 235         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 236         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 237         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
 238 };
 239
 240 /**
 241  *      aac_queuecommand        -       queue a SCSI command
 242  *      @cmd:           SCSI command to queue
 243  *      @done:          Function to call on command completion
 244  *
 245  *      Queues a command for execution by the associated Host Adapter.
 246  *
 247  *      TODO: unify with aac_scsi_cmd().
 248  */
 249
 250 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 251 {
 252         struct Scsi_Host *host = cmd->device->host;
 253         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 254         u32 count = 0;
 255         cmd->scsi_done = done;
 256         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 257                 struct fib * fib = &dev->fibs[count];
 258                 struct scsi_cmnd * command;
 259                 if (fib->hw_fib_va->header.XferState &&
 260                     ((command = fib->callback_data)) &&
 261                     (command == cmd) &&
 262                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 263                         return 0; /* Already owned by Adapter */
 264         }
 265         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 266         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 267 }
 268
 269 /**
 270  *      aac_info                -       Returns the host adapter name
 271  *      @shost:         Scsi host to report on
 272  *
 273  *      Returns a static string describing the device in question
 274  */
 275
 276 static const char *aac_info(struct Scsi_Host *shost)
 277 {
 278         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 279         return aac_drivers[dev->cardtype].name;
 280 }
 281
 282 /**
 283  *      aac_get_driver_ident
 284  *      @devtype: index into lookup table
 285  *
 286  *      Returns a pointer to the entry in the driver lookup table.
 287  */
 288
 289 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 290 {
 291         return &aac_drivers[devtype];
 292 }
 293
 294 /**
 295  *      aac_biosparm    -       return BIOS parameters for disk
 296  *      @sdev: The scsi device corresponding to the disk
 297  *      @bdev: the block device corresponding to the disk
 298  *      @capacity: the sector capacity of the disk
 299  *      @geom: geometry block to fill in
 300  *
 301  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 302  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 303  *      number of cylinders so as not to exceed drive capacity.  In order for
 304  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 305  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 306  *      Translation should be enabled.   With Extended Translation enabled,
 307  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 308  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 309  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 310  *      the BIOS detects that the Extended Translation setting does not match
 311  *      the geometry in the partition table, then the translation inferred
 312  *      from the partition table will be used by the BIOS, and a warning may
 313  *      be displayed.
 314  */
 315
 316 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 317                         sector_t capacity, int *geom)
 318 {
 319         struct diskparm *param = (struct diskparm *)geom;
 320         unsigned char *buf;
 321
 322         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 323
 324         /*
 325          *      Assuming extended translation is enabled - #REVISIT#
 326          */
 327         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 328                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 329                         param->heads = 255;
 330                         param->sectors = 63;
 331                 } else {
 332                         param->heads = 128;
 333                         param->sectors = 32;
 334                 }
 335         } else {
 336                 param->heads = 64;
 337                 param->sectors = 32;
 338         }
 339
 340         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 341
 342         /*
 343          *      Read the first 1024 bytes from the disk device, if the boot
 344          *      sector partition table is valid, search for a partition table
 345          *      entry whose end_head matches one of the standard geometry
 346          *      translations ( 64/32, 128/32, 255/63 ).
 347          */
 348         buf = scsi_bios_ptable(bdev);
 349         if (!buf)
 350                 return 0;
 351         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 352                 struct partition *first = (struct partition * )buf;
 353                 struct partition *entry = first;
 354                 int saved_cylinders = param->cylinders;
 355                 int num;
 356                 unsigned char end_head, end_sec;
 357
 358                 for(num = 0; num < 4; num++) {
 359                         end_head = entry->end_head;
 360                         end_sec = entry->end_sector & 0x3f;
 361
 362                         if(end_head == 63) {
 363                                 param->heads = 64;
 364                                 param->sectors = 32;
 365                                 break;
 366                         } else if(end_head == 127) {
 367                                 param->heads = 128;
 368                                 param->sectors = 32;
 369                                 break;
 370                         } else if(end_head == 254) {
 371                                 param->heads = 255;
 372                                 param->sectors = 63;
 373                                 break;
 374                         }
 375                         entry++;
 376                 }
 377
 378                 if (num == 4) {
 379                         end_head = first->end_head;
 380                         end_sec = first->end_sector & 0x3f;
 381                 }
 382
 383                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 384                 if (num < 4 && end_sec == param->sectors) {
 385                         if (param->cylinders != saved_cylinders)
 386                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 387                                         param->heads, param->sectors, num));
 388                 } else if (end_head > 0 || end_sec > 0) {
 389                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 390                                 end_head + 1, end_sec, num));
 391                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 392                                         param->heads, param->sectors));
 393                 }
 394         }
 395         kfree(buf);
 396         return 0;
 397 }
 398
 399 /**
 400  *      aac_slave_configure             -       compute queue depths
 401  *      @sdev:  SCSI device we are considering
 402  *
 403  *      Selects queue depths for each target device based on the host adapter's
 404  *      total capacity and the queue depth supported by the target device.
 405  *      A queue depth of one automatically disables tagged queueing.
 406  */
 407
 408 static int aac_slave_configure(struct scsi_device *sdev)
 409 {
 410         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 411         if (aac->jbod && (sdev->type == TYPE_DISK))
 412                 sdev->removable = 1;
 413         if ((sdev->type == TYPE_DISK) &&
 414                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 415                         (!aac->jbod || sdev->inq_periph_qual) &&
 416                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 417                 if (expose_physicals == 0)
 418                         return -ENXIO;
 419                 if (expose_physicals < 0)
 420                         sdev->no_uld_attach = 1;
 421         }
 422         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 423                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 424                         !sdev->no_uld_attach) {
 425                 struct scsi_device * dev;
 426                 struct Scsi_Host *host = sdev->host;
 427                 unsigned num_lsu = 0;
 428                 unsigned num_one = 0;
 429                 unsigned depth;
 430                 unsigned cid;
 431
 432                 /*
 433                  * Firmware has an individual device recovery time typically
 434                  * of 35 seconds, give us a margin.
 435                  */
 436                 if (sdev->request_queue->rq_timeout < (45 * HZ))
 437                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 438                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 439                         if (aac->fsa_dev[cid].valid)
 440                                 ++num_lsu;
 441                 __shost_for_each_device(dev, host) {
 442                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 443                                         (!aac->raid_scsi_mode ||
 444                                                 (sdev_channel(sdev) != 2)) &&
 445                                         !dev->no_uld_attach) {
 446                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 447                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 448                                         ++num_lsu;
 449                         } else
 450                                 ++num_one;
 451                 }
 452                 if (num_lsu == 0)
 453                         ++num_lsu;
 454                 depth = (host->can_queue - num_one) / num_lsu;
 455                 if (depth > 256)
 456                         depth = 256;
 457                 else if (depth < 2)
 458                         depth = 2;
 459                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 460         } else
 461                 scsi_adjust_queue_depth(sdev, 0, 1);
 462
 463         return 0;
 464 }
 465
 466 /**
 467  *      aac_change_queue_depth          -       alter queue depths
 468  *      @sdev:  SCSI device we are considering
 469  *      @depth: desired queue depth
 470  *
 471  *      Alters queue depths for target device based on the host adapter's
 472  *      total capacity and the queue depth supported by the target device.
 473  */
 474
 475 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
 476                                   int reason)
 477 {
 478         if (reason != SCSI_QDEPTH_DEFAULT)
 479                 return -EOPNOTSUPP;
 480
 481         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 482             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 483                 struct scsi_device * dev;
 484                 struct Scsi_Host *host = sdev->host;
 485                 unsigned num = 0;
 486
 487                 __shost_for_each_device(dev, host) {
 488                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 489                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 490                                 ++num;
 491                         ++num;
 492                 }
 493                 if (num >= host->can_queue)
 494                         num = host->can_queue - 1;
 495                 if (depth > (host->can_queue - num))
 496                         depth = host->can_queue - num;
 497                 if (depth > 256)
 498                         depth = 256;
 499                 else if (depth < 2)
 500                         depth = 2;
 501                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 502         } else
 503                 scsi_adjust_queue_depth(sdev, 0, 1);
 504         return sdev->queue_depth;
 505 }
 506
 507 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 508 {
 509         struct scsi_device *sdev = to_scsi_device(dev);
 510         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 511         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 512                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 513                   ? "Hidden\n" :
 514                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 515         return snprintf(buf, PAGE_SIZE, "%s\n",
 516           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 517 }
 518
 519 static struct device_attribute aac_raid_level_attr = {
 520         .attr = {
 521                 .name = "level",
 522                 .mode = S_IRUGO,
 523         },
 524         .show = aac_show_raid_level
 525 };
 526
 527 static struct device_attribute *aac_dev_attrs[] = {
 528         &aac_raid_level_attr,
 529         NULL,
 530 };
 531
 532 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 533 {
 534         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 535         if (!capable(CAP_SYS_RAWIO))
 536                 return -EPERM;
 537         return aac_do_ioctl(dev, cmd, arg);
 538 }
 539
 540 static int aac_eh_abort(struct scsi_cmnd* cmd)
 541 {
 542         struct scsi_device * dev = cmd->device;
 543         struct Scsi_Host * host = dev->host;
 544         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 545         int count;
 546         int ret = FAILED;
 547
 548         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
 549                 AAC_DRIVERNAME,
 550                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 551         switch (cmd->cmnd[0]) {
 552         case SERVICE_ACTION_IN:
 553                 if (!(aac->raw_io_interface) ||
 554                     !(aac->raw_io_64) ||
 555                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 556                         break;
 557         case INQUIRY:
 558         case READ_CAPACITY:
 559                 /* Mark associated FIB to not complete, eh handler does this */
 560                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 561                         struct fib * fib = &aac->fibs[count];
 562                         if (fib->hw_fib_va->header.XferState &&
 563                           (fib->flags & FIB_CONTEXT_FLAG) &&
 564                           (fib->callback_data == cmd)) {
 565                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 566                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 567                                 ret = SUCCESS;
 568                         }
 569                 }
 570                 break;
 571         case TEST_UNIT_READY:
 572                 /* Mark associated FIB to not complete, eh handler does this */
 573                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 574                         struct scsi_cmnd * command;
 575                         struct fib * fib = &aac->fibs[count];
 576                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 577                           (fib->flags & FIB_CONTEXT_FLAG) &&
 578                           ((command = fib->callback_data)) &&
 579                           (command->device == cmd->device)) {
 580                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 581                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 582                                 if (command == cmd)
 583                                         ret = SUCCESS;
 584                         }
 585                 }
 586         }
 587         return ret;
 588 }
 589
 590 /*
 591  *      aac_eh_reset    - Reset command handling
 592  *      @scsi_cmd:      SCSI command block causing the reset
 593  *
 594  */
 595 static int aac_eh_reset(struct scsi_cmnd* cmd)
 596 {
 597         struct scsi_device * dev = cmd->device;
 598         struct Scsi_Host * host = dev->host;
 599         struct scsi_cmnd * command;
 600         int count;
 601         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 602         unsigned long flags;
 603
 604         /* Mark the associated FIB to not complete, eh handler does this */
 605         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 606                 struct fib * fib = &aac->fibs[count];
 607                 if (fib->hw_fib_va->header.XferState &&
 608                   (fib->flags & FIB_CONTEXT_FLAG) &&
 609                   (fib->callback_data == cmd)) {
 610                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 611                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 612                 }
 613         }
 614         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 615                                         AAC_DRIVERNAME);
 616
 617         if ((count = aac_check_health(aac)))
 618                 return count;
 619         /*
 620          * Wait for all commands to complete to this specific
 621          * target (block maximum 60 seconds).
 622          */
 623         for (count = 60; count; --count) {
 624                 int active = aac->in_reset;
 625
 626                 if (active == 0)
 627                 __shost_for_each_device(dev, host) {
 628                         spin_lock_irqsave(&dev->list_lock, flags);
 629                         list_for_each_entry(command, &dev->cmd_list, list) {
 630                                 if ((command != cmd) &&
 631                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 632                                         active++;
 633                                         break;
 634                                 }
 635                         }
 636                         spin_unlock_irqrestore(&dev->list_lock, flags);
 637                         if (active)
 638                                 break;
 639
 640                 }
 641                 /*
 642                  * We can exit If all the commands are complete
 643                  */
 644                 if (active == 0)
 645                         return SUCCESS;
 646                 ssleep(1);
 647         }
 648         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 649         /*
 650          * This adapter needs a blind reset, only do so for Adapters that
 651          * support a register, instead of a commanded, reset.
 652          */
 653         if ((aac->supplement_adapter_info.SupportedOptions2 &
 654            AAC_OPTION_MU_RESET) &&
 655           aac_check_reset &&
 656           ((aac_check_reset != 1) ||
 657            !(aac->supplement_adapter_info.SupportedOptions2 &
 658             AAC_OPTION_IGNORE_RESET)))
 659                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 660         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 661 }
 662
 663 /**
 664  *      aac_cfg_open            -       open a configuration file
 665  *      @inode: inode being opened
 666  *      @file: file handle attached
 667  *
 668  *      Called when the configuration device is opened. Does the needed
 669  *      set up on the handle and then returns
 670  *
 671  *      Bugs: This needs extending to check a given adapter is present
 672  *      so we can support hot plugging, and to ref count adapters.
 673  */
 674
 675 static int aac_cfg_open(struct inode *inode, struct file *file)
 676 {
 677         struct aac_dev *aac;
 678         unsigned minor_number = iminor(inode);
 679         int err = -ENODEV;
 680
 681         lock_kernel();  /* BKL pushdown: nothing else protects this list */
 682         list_for_each_entry(aac, &aac_devices, entry) {
 683                 if (aac->id == minor_number) {
 684                         file->private_data = aac;
 685                         err = 0;
 686                         break;
 687                 }
 688         }
 689         unlock_kernel();
 690
 691         return err;
 692 }
 693
 694 /**
 695  *      aac_cfg_ioctl           -       AAC configuration request
 696  *      @inode: inode of device
 697  *      @file: file handle
 698  *      @cmd: ioctl command code
 699  *      @arg: argument
 700  *
 701  *      Handles a configuration ioctl. Currently this involves wrapping it
 702  *      up and feeding it into the nasty windowsalike glue layer.
 703  *
 704  *      Bugs: Needs locking against parallel ioctls lower down
 705  *      Bugs: Needs to handle hot plugging
 706  */
 707
 708 static long aac_cfg_ioctl(struct file *file,
 709                 unsigned int cmd, unsigned long arg)
 710 {
 711         int ret;
 712         if (!capable(CAP_SYS_RAWIO))
 713                 return -EPERM;
 714         lock_kernel();
 715         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 716         unlock_kernel();
 717
 718         return ret;
 719 }
 720
 721 #ifdef CONFIG_COMPAT
 722 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 723 {
 724         long ret;
 725         lock_kernel();
 726         switch (cmd) {
 727         case FSACTL_MINIPORT_REV_CHECK:
 728         case FSACTL_SENDFIB:
 729         case FSACTL_OPEN_GET_ADAPTER_FIB:
 730         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 731         case FSACTL_SEND_RAW_SRB:
 732         case FSACTL_GET_PCI_INFO:
 733         case FSACTL_QUERY_DISK:
 734         case FSACTL_DELETE_DISK:
 735         case FSACTL_FORCE_DELETE_DISK:
 736         case FSACTL_GET_CONTAINERS:
 737         case FSACTL_SEND_LARGE_FIB:
 738                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 739                 break;
 740
 741         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 742                 struct fib_ioctl __user *f;
 743
 744                 f = compat_alloc_user_space(sizeof(*f));
 745                 ret = 0;
 746                 if (clear_user(f, sizeof(*f)))
 747                         ret = -EFAULT;
 748                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 749                         ret = -EFAULT;
 750                 if (!ret)
 751                         ret = aac_do_ioctl(dev, cmd, f);
 752                 break;
 753         }
 754
 755         default:
 756                 ret = -ENOIOCTLCMD;
 757                 break;
 758         }
 759         unlock_kernel();
 760         return ret;
 761 }
 762
 763 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 764 {
 765         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 766         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 767 }
 768
 769 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 770 {
 771         if (!capable(CAP_SYS_RAWIO))
 772                 return -EPERM;
 773         return aac_compat_do_ioctl(file->private_data, cmd, arg);
 774 }
 775 #endif
 776
 777 static ssize_t aac_show_model(struct device *device,
 778                               struct device_attribute *attr, char *buf)
 779 {
 780         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 781         int len;
 782
 783         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 784                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 785                 while (*cp && *cp != ' ')
 786                         ++cp;
 787                 while (*cp == ' ')
 788                         ++cp;
 789                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 790         } else
 791                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 792                   aac_drivers[dev->cardtype].model);
 793         return len;
 794 }
 795
 796 static ssize_t aac_show_vendor(struct device *device,
 797                                struct device_attribute *attr, char *buf)
 798 {
 799         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 800         int len;
 801
 802         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 803                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 804                 while (*cp && *cp != ' ')
 805                         ++cp;
 806                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 807                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 808                   dev->supplement_adapter_info.AdapterTypeText);
 809         } else
 810                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 811                   aac_drivers[dev->cardtype].vname);
 812         return len;
 813 }
 814
 815 static ssize_t aac_show_flags(struct device *cdev,
 816                               struct device_attribute *attr, char *buf)
 817 {
 818         int len = 0;
 819         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 820
 821         if (nblank(dprintk(x)))
 822                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 823 #ifdef AAC_DETAILED_STATUS_INFO
 824         len += snprintf(buf + len, PAGE_SIZE - len,
 825                         "AAC_DETAILED_STATUS_INFO\n");
 826 #endif
 827         if (dev->raw_io_interface && dev->raw_io_64)
 828                 len += snprintf(buf + len, PAGE_SIZE - len,
 829                                 "SAI_READ_CAPACITY_16\n");
 830         if (dev->jbod)
 831                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 832         if (dev->supplement_adapter_info.SupportedOptions2 &
 833                 AAC_OPTION_POWER_MANAGEMENT)
 834                 len += snprintf(buf + len, PAGE_SIZE - len,
 835                                 "SUPPORTED_POWER_MANAGEMENT\n");
 836         if (dev->msi)
 837                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 838         return len;
 839 }
 840
 841 static ssize_t aac_show_kernel_version(struct device *device,
 842                                        struct device_attribute *attr,
 843                                        char *buf)
 844 {
 845         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 846         int len, tmp;
 847
 848         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 849         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 850           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 851           le32_to_cpu(dev->adapter_info.kernelbuild));
 852         return len;
 853 }
 854
 855 static ssize_t aac_show_monitor_version(struct device *device,
 856                                         struct device_attribute *attr,
 857                                         char *buf)
 858 {
 859         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 860         int len, tmp;
 861
 862         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 863         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 864           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 865           le32_to_cpu(dev->adapter_info.monitorbuild));
 866         return len;
 867 }
 868
 869 static ssize_t aac_show_bios_version(struct device *device,
 870                                      struct device_attribute *attr,
 871                                      char *buf)
 872 {
 873         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 874         int len, tmp;
 875
 876         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 877         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 878           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 879           le32_to_cpu(dev->adapter_info.biosbuild));
 880         return len;
 881 }
 882
 883 static ssize_t aac_show_serial_number(struct device *device,
 884                                struct device_attribute *attr, char *buf)
 885 {
 886         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 887         int len = 0;
 888
 889         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 890                 len = snprintf(buf, PAGE_SIZE, "%06X\n",
 891                   le32_to_cpu(dev->adapter_info.serial[0]));
 892         if (len &&
 893           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 894             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 895           buf, len-1))
 896                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 897                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 898                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 899         return len;
 900 }
 901
 902 static ssize_t aac_show_max_channel(struct device *device,
 903                                     struct device_attribute *attr, char *buf)
 904 {
 905         return snprintf(buf, PAGE_SIZE, "%d\n",
 906           class_to_shost(device)->max_channel);
 907 }
 908
 909 static ssize_t aac_show_max_id(struct device *device,
 910                                struct device_attribute *attr, char *buf)
 911 {
 912         return snprintf(buf, PAGE_SIZE, "%d\n",
 913           class_to_shost(device)->max_id);
 914 }
 915
 916 static ssize_t aac_store_reset_adapter(struct device *device,
 917                                        struct device_attribute *attr,
 918                                        const char *buf, size_t count)
 919 {
 920         int retval = -EACCES;
 921
 922         if (!capable(CAP_SYS_ADMIN))
 923                 return retval;
 924         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 925         if (retval >= 0)
 926                 retval = count;
 927         return retval;
 928 }
 929
 930 static ssize_t aac_show_reset_adapter(struct device *device,
 931                                       struct device_attribute *attr,
 932                                       char *buf)
 933 {
 934         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 935         int len, tmp;
 936
 937         tmp = aac_adapter_check_health(dev);
 938         if ((tmp == 0) && dev->in_reset)
 939                 tmp = -EBUSY;
 940         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 941         return len;
 942 }
 943
 944 static struct device_attribute aac_model = {
 945         .attr = {
 946                 .name = "model",
 947                 .mode = S_IRUGO,
 948         },
 949         .show = aac_show_model,
 950 };
 951 static struct device_attribute aac_vendor = {
 952         .attr = {
 953                 .name = "vendor",
 954                 .mode = S_IRUGO,
 955         },
 956         .show = aac_show_vendor,
 957 };
 958 static struct device_attribute aac_flags = {
 959         .attr = {
 960                 .name = "flags",
 961                 .mode = S_IRUGO,
 962         },
 963         .show = aac_show_flags,
 964 };
 965 static struct device_attribute aac_kernel_version = {
 966         .attr = {
 967                 .name = "hba_kernel_version",
 968                 .mode = S_IRUGO,
 969         },
 970         .show = aac_show_kernel_version,
 971 };
 972 static struct device_attribute aac_monitor_version = {
 973         .attr = {
 974                 .name = "hba_monitor_version",
 975                 .mode = S_IRUGO,
 976         },
 977         .show = aac_show_monitor_version,
 978 };
 979 static struct device_attribute aac_bios_version = {
 980         .attr = {
 981                 .name = "hba_bios_version",
 982                 .mode = S_IRUGO,
 983         },
 984         .show = aac_show_bios_version,
 985 };
 986 static struct device_attribute aac_serial_number = {
 987         .attr = {
 988                 .name = "serial_number",
 989                 .mode = S_IRUGO,
 990         },
 991         .show = aac_show_serial_number,
 992 };
 993 static struct device_attribute aac_max_channel = {
 994         .attr = {
 995                 .name = "max_channel",
 996                 .mode = S_IRUGO,
 997         },
 998         .show = aac_show_max_channel,
 999 };
1000 static struct device_attribute aac_max_id = {
1001         .attr = {
1002                 .name = "max_id",
1003                 .mode = S_IRUGO,
1004         },
1005         .show = aac_show_max_id,
1006 };
1007 static struct device_attribute aac_reset = {
1008         .attr = {
1009                 .name = "reset_host",
1010                 .mode = S_IWUSR|S_IRUGO,
1011         },
1012         .store = aac_store_reset_adapter,
1013         .show = aac_show_reset_adapter,
1014 };
1015
1016 static struct device_attribute *aac_attrs[] = {
1017         &aac_model,
1018         &aac_vendor,
1019         &aac_flags,
1020         &aac_kernel_version,
1021         &aac_monitor_version,
1022         &aac_bios_version,
1023         &aac_serial_number,
1024         &aac_max_channel,
1025         &aac_max_id,
1026         &aac_reset,
1027         NULL
1028 };
1029
1030 ssize_t aac_get_serial_number(struct device *device, char *buf)
1031 {
1032         return aac_show_serial_number(device, &aac_serial_number, buf);
1033 }
1034
1035 static const struct file_operations aac_cfg_fops = {
1036         .owner          = THIS_MODULE,
1037         .unlocked_ioctl = aac_cfg_ioctl,
1038 #ifdef CONFIG_COMPAT
1039         .compat_ioctl   = aac_compat_cfg_ioctl,
1040 #endif
1041         .open           = aac_cfg_open,
1042 };
1043
1044 static struct scsi_host_template aac_driver_template = {
1045         .module                         = THIS_MODULE,
1046         .name                           = "AAC",
1047         .proc_name                      = AAC_DRIVERNAME,
1048         .info                           = aac_info,
1049         .ioctl                          = aac_ioctl,
1050 #ifdef CONFIG_COMPAT
1051         .compat_ioctl                   = aac_compat_ioctl,
1052 #endif
1053         .queuecommand                   = aac_queuecommand,
1054         .bios_param                     = aac_biosparm,
1055         .shost_attrs                    = aac_attrs,
1056         .slave_configure                = aac_slave_configure,
1057         .change_queue_depth             = aac_change_queue_depth,
1058         .sdev_attrs                     = aac_dev_attrs,
1059         .eh_abort_handler               = aac_eh_abort,
1060         .eh_host_reset_handler          = aac_eh_reset,
1061         .can_queue                      = AAC_NUM_IO_FIB,
1062         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1063         .sg_tablesize                   = 16,
1064         .max_sectors                    = 128,
1065 #if (AAC_NUM_IO_FIB > 256)
1066         .cmd_per_lun                    = 256,
1067 #else
1068         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1069 #endif
1070         .use_clustering                 = ENABLE_CLUSTERING,
1071         .emulated                       = 1,
1072 };
1073
1074 static void __aac_shutdown(struct aac_dev * aac)
1075 {
1076         if (aac->aif_thread)
1077                 kthread_stop(aac->thread);
1078         aac_send_shutdown(aac);
1079         aac_adapter_disable_int(aac);
1080         free_irq(aac->pdev->irq, aac);
1081         if (aac->msi)
1082                 pci_disable_msi(aac->pdev);
1083 }
1084
1085 static int __devinit aac_probe_one(struct pci_dev *pdev,
1086                 const struct pci_device_id *id)
1087 {
1088         unsigned index = id->driver_data;
1089         struct Scsi_Host *shost;
1090         struct aac_dev *aac;
1091         struct list_head *insert = &aac_devices;
1092         int error = -ENODEV;
1093         int unique_id = 0;
1094         u64 dmamask;
1095
1096         list_for_each_entry(aac, &aac_devices, entry) {
1097                 if (aac->id > unique_id)
1098                         break;
1099                 insert = &aac->entry;
1100                 unique_id++;
1101         }
1102
1103         error = pci_enable_device(pdev);
1104         if (error)
1105                 goto out;
1106         error = -ENODEV;
1107
1108         /*
1109          * If the quirk31 bit is set, the adapter needs adapter
1110          * to driver communication memory to be allocated below 2gig
1111          */
1112         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1113                 dmamask = DMA_BIT_MASK(31);
1114         else
1115                 dmamask = DMA_BIT_MASK(32);
1116
1117         if (pci_set_dma_mask(pdev, dmamask) ||
1118                         pci_set_consistent_dma_mask(pdev, dmamask))
1119                 goto out_disable_pdev;
1120
1121         pci_set_master(pdev);
1122
1123         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1124         if (!shost)
1125                 goto out_disable_pdev;
1126
1127         shost->irq = pdev->irq;
1128         shost->base = pci_resource_start(pdev, 0);
1129         shost->unique_id = unique_id;
1130         shost->max_cmd_len = 16;
1131
1132         aac = (struct aac_dev *)shost->hostdata;
1133         aac->scsi_host_ptr = shost;
1134         aac->pdev = pdev;
1135         aac->name = aac_driver_template.name;
1136         aac->id = shost->unique_id;
1137         aac->cardtype = index;
1138         INIT_LIST_HEAD(&aac->entry);
1139
1140         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1141         if (!aac->fibs)
1142                 goto out_free_host;
1143         spin_lock_init(&aac->fib_lock);
1144
1145         /*
1146          *      Map in the registers from the adapter.
1147          */
1148         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1149         if ((*aac_drivers[index].init)(aac))
1150                 goto out_unmap;
1151
1152         /*
1153          *      Start any kernel threads needed
1154          */
1155         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1156         if (IS_ERR(aac->thread)) {
1157                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1158                 error = PTR_ERR(aac->thread);
1159                 goto out_deinit;
1160         }
1161
1162         /*
1163          * If we had set a smaller DMA mask earlier, set it to 4gig
1164          * now since the adapter can dma data to at least a 4gig
1165          * address space.
1166          */
1167         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1168                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1169                         goto out_deinit;
1170
1171         aac->maximum_num_channels = aac_drivers[index].channels;
1172         error = aac_get_adapter_info(aac);
1173         if (error < 0)
1174                 goto out_deinit;
1175
1176         /*
1177          * Lets override negotiations and drop the maximum SG limit to 34
1178          */
1179         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1180                         (shost->sg_tablesize > 34)) {
1181                 shost->sg_tablesize = 34;
1182                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1183         }
1184
1185         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1186                         (shost->sg_tablesize > 17)) {
1187                 shost->sg_tablesize = 17;
1188                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1189         }
1190
1191         error = pci_set_dma_max_seg_size(pdev,
1192                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1193                         (shost->max_sectors << 9) : 65536);
1194         if (error)
1195                 goto out_deinit;
1196
1197         /*
1198          * Firmware printf works only with older firmware.
1199          */
1200         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1201                 aac->printf_enabled = 1;
1202         else
1203                 aac->printf_enabled = 0;
1204
1205         /*
1206          * max channel will be the physical channels plus 1 virtual channel
1207          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1208          * physical channels are address by their actual physical number+1
1209          */
1210         if (aac->nondasd_support || expose_physicals || aac->jbod)
1211                 shost->max_channel = aac->maximum_num_channels;
1212         else
1213                 shost->max_channel = 0;
1214
1215         aac_get_config_status(aac, 0);
1216         aac_get_containers(aac);
1217         list_add(&aac->entry, insert);
1218
1219         shost->max_id = aac->maximum_num_containers;
1220         if (shost->max_id < aac->maximum_num_physicals)
1221                 shost->max_id = aac->maximum_num_physicals;
1222         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1223                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1224         else
1225                 shost->this_id = shost->max_id;
1226
1227         /*
1228          * dmb - we may need to move the setting of these parms somewhere else once
1229          * we get a fib that can report the actual numbers
1230          */
1231         shost->max_lun = AAC_MAX_LUN;
1232
1233         pci_set_drvdata(pdev, shost);
1234
1235         error = scsi_add_host(shost, &pdev->dev);
1236         if (error)
1237                 goto out_deinit;
1238         scsi_scan_host(shost);
1239
1240         return 0;
1241
1242  out_deinit:
1243         __aac_shutdown(aac);
1244  out_unmap:
1245         aac_fib_map_free(aac);
1246         if (aac->comm_addr)
1247                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1248                   aac->comm_phys);
1249         kfree(aac->queues);
1250         aac_adapter_ioremap(aac, 0);
1251         kfree(aac->fibs);
1252         kfree(aac->fsa_dev);
1253  out_free_host:
1254         scsi_host_put(shost);
1255  out_disable_pdev:
1256         pci_disable_device(pdev);
1257  out:
1258         return error;
1259 }
1260
1261 static void aac_shutdown(struct pci_dev *dev)
1262 {
1263         struct Scsi_Host *shost = pci_get_drvdata(dev);
1264         scsi_block_requests(shost);
1265         __aac_shutdown((struct aac_dev *)shost->hostdata);
1266 }
1267
1268 static void __devexit aac_remove_one(struct pci_dev *pdev)
1269 {
1270         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1271         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1272
1273         scsi_remove_host(shost);
1274
1275         __aac_shutdown(aac);
1276         aac_fib_map_free(aac);
1277         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1278                         aac->comm_phys);
1279         kfree(aac->queues);
1280
1281         aac_adapter_ioremap(aac, 0);
1282
1283         kfree(aac->fibs);
1284         kfree(aac->fsa_dev);
1285
1286         list_del(&aac->entry);
1287         scsi_host_put(shost);
1288         pci_disable_device(pdev);
1289         if (list_empty(&aac_devices)) {
1290                 unregister_chrdev(aac_cfg_major, "aac");
1291                 aac_cfg_major = -1;
1292         }
1293 }
1294
1295 static struct pci_driver aac_pci_driver = {
1296         .name           = AAC_DRIVERNAME,
1297         .id_table       = aac_pci_tbl,
1298         .probe          = aac_probe_one,
1299         .remove         = __devexit_p(aac_remove_one),
1300         .shutdown       = aac_shutdown,
1301 };
1302
1303 static int __init aac_init(void)
1304 {
1305         int error;
1306
1307         printk(KERN_INFO "Adaptec %s driver %s\n",
1308           AAC_DRIVERNAME, aac_driver_version);
1309
1310         error = pci_register_driver(&aac_pci_driver);
1311         if (error < 0)
1312                 return error;
1313
1314         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1315         if (aac_cfg_major < 0) {
1316                 printk(KERN_WARNING
1317                         "aacraid: unable to register \"aac\" device.\n");
1318         }
1319
1320         return 0;
1321 }
1322
1323 static void __exit aac_exit(void)
1324 {
1325         if (aac_cfg_major > -1)
1326                 unregister_chrdev(aac_cfg_major, "aac");
1327         pci_unregister_driver(&aac_pci_driver);
1328 }
1329
1330 module_init(aac_init);
1331 module_exit(aac_exit);