drivers/scsi/aacraid/linit.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2007 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/spinlock.h>
  42 #include <linux/syscalls.h>
  43 #include <linux/delay.h>
  44 #include <linux/kthread.h>
  45
  46 #include <scsi/scsi.h>
  47 #include <scsi/scsi_cmnd.h>
  48 #include <scsi/scsi_device.h>
  49 #include <scsi/scsi_host.h>
  50 #include <scsi/scsi_tcq.h>
  51 #include <scsi/scsicam.h>
  52 #include <scsi/scsi_eh.h>
  53
  54 #include "aacraid.h"
  55
  56 #define AAC_DRIVER_VERSION              "1.1-5"
  57 #ifndef AAC_DRIVER_BRANCH
  58 #define AAC_DRIVER_BRANCH               ""
  59 #endif
  60 #define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
  61 #define AAC_DRIVERNAME                  "aacraid"
  62
  63 #ifdef AAC_DRIVER_BUILD
  64 #define _str(x) #x
  65 #define str(x) _str(x)
  66 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  67 #else
  68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
  69 #endif
  70
  71 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  72 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  73                    "Adaptec Advanced Raid Products, "
  74                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  75 MODULE_LICENSE("GPL");
  76 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  77
  78 static LIST_HEAD(aac_devices);
  79 static int aac_cfg_major = -1;
  80 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  81
  82 /*
  83  * Because of the way Linux names scsi devices, the order in this table has
  84  * become important.  Check for on-board Raid first, add-in cards second.
  85  *
  86  * Note: The last field is used to index into aac_drivers below.
  87  */
  88 static struct pci_device_id aac_pci_tbl[] = {
  89         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  90         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  91         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  92         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  93         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  94         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  95         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  96         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  97         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
  98         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
  99         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 100         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 101         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 102         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 103         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 104         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 105
 106         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 107         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 108         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 109         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 110         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 111         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 112         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 113         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 114         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 115         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 116         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 117         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 118         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 119         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 120         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 121         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 122         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 123         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 124         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 125         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 126         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 127         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 128         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 129         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 130         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 131         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 132         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 133         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 134         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 135         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 136         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 137         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 138         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 139         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 140         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 141         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 142         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 143         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 144
 145         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 146         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 147         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 148         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 149         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 150
 151         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 152         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 153         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 154         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 155         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 156         { 0,}
 157 };
 158 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 159
 160 /*
 161  * dmb - For now we add the number of channels to this structure.
 162  * In the future we should add a fib that reports the number of channels
 163  * for the card.  At that time we can remove the channels from here
 164  */
 165 static struct aac_driver_ident aac_drivers[] = {
 166         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 169         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 170         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 171         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 172         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 175         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 176         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 177         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 180         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 181         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 182
 183         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 187         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 188         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 190         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 191         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 192         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 193         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 194         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 195         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 196         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 197         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 198         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 199         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 200         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 201         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 202         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 205         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 206         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 207         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 208         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 212         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 213         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 214         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 218         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 219
 220         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 221         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 222         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 223         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 224         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 225
 226         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 227         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 228         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 229         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 230         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
 231 };
 232
 233 /**
 234  *      aac_queuecommand        -       queue a SCSI command
 235  *      @cmd:           SCSI command to queue
 236  *      @done:          Function to call on command completion
 237  *
 238  *      Queues a command for execution by the associated Host Adapter.
 239  *
 240  *      TODO: unify with aac_scsi_cmd().
 241  */
 242
 243 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 244 {
 245         struct Scsi_Host *host = cmd->device->host;
 246         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 247         u32 count = 0;
 248         cmd->scsi_done = done;
 249         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 250                 struct fib * fib = &dev->fibs[count];
 251                 struct scsi_cmnd * command;
 252                 if (fib->hw_fib_va->header.XferState &&
 253                     ((command = fib->callback_data)) &&
 254                     (command == cmd) &&
 255                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 256                         return 0; /* Already owned by Adapter */
 257         }
 258         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 259         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 260 }
 261
 262 /**
 263  *      aac_info                -       Returns the host adapter name
 264  *      @shost:         Scsi host to report on
 265  *
 266  *      Returns a static string describing the device in question
 267  */
 268
 269 static const char *aac_info(struct Scsi_Host *shost)
 270 {
 271         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 272         return aac_drivers[dev->cardtype].name;
 273 }
 274
 275 /**
 276  *      aac_get_driver_ident
 277  *      @devtype: index into lookup table
 278  *
 279  *      Returns a pointer to the entry in the driver lookup table.
 280  */
 281
 282 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 283 {
 284         return &aac_drivers[devtype];
 285 }
 286
 287 /**
 288  *      aac_biosparm    -       return BIOS parameters for disk
 289  *      @sdev: The scsi device corresponding to the disk
 290  *      @bdev: the block device corresponding to the disk
 291  *      @capacity: the sector capacity of the disk
 292  *      @geom: geometry block to fill in
 293  *
 294  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 295  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 296  *      number of cylinders so as not to exceed drive capacity.  In order for
 297  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 298  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 299  *      Translation should be enabled.   With Extended Translation enabled,
 300  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 301  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 302  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 303  *      the BIOS detects that the Extended Translation setting does not match
 304  *      the geometry in the partition table, then the translation inferred
 305  *      from the partition table will be used by the BIOS, and a warning may
 306  *      be displayed.
 307  */
 308
 309 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 310                         sector_t capacity, int *geom)
 311 {
 312         struct diskparm *param = (struct diskparm *)geom;
 313         unsigned char *buf;
 314
 315         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 316
 317         /*
 318          *      Assuming extended translation is enabled - #REVISIT#
 319          */
 320         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 321                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 322                         param->heads = 255;
 323                         param->sectors = 63;
 324                 } else {
 325                         param->heads = 128;
 326                         param->sectors = 32;
 327                 }
 328         } else {
 329                 param->heads = 64;
 330                 param->sectors = 32;
 331         }
 332
 333         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 334
 335         /*
 336          *      Read the first 1024 bytes from the disk device, if the boot
 337          *      sector partition table is valid, search for a partition table
 338          *      entry whose end_head matches one of the standard geometry
 339          *      translations ( 64/32, 128/32, 255/63 ).
 340          */
 341         buf = scsi_bios_ptable(bdev);
 342         if (!buf)
 343                 return 0;
 344         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 345                 struct partition *first = (struct partition * )buf;
 346                 struct partition *entry = first;
 347                 int saved_cylinders = param->cylinders;
 348                 int num;
 349                 unsigned char end_head, end_sec;
 350
 351                 for(num = 0; num < 4; num++) {
 352                         end_head = entry->end_head;
 353                         end_sec = entry->end_sector & 0x3f;
 354
 355                         if(end_head == 63) {
 356                                 param->heads = 64;
 357                                 param->sectors = 32;
 358                                 break;
 359                         } else if(end_head == 127) {
 360                                 param->heads = 128;
 361                                 param->sectors = 32;
 362                                 break;
 363                         } else if(end_head == 254) {
 364                                 param->heads = 255;
 365                                 param->sectors = 63;
 366                                 break;
 367                         }
 368                         entry++;
 369                 }
 370
 371                 if (num == 4) {
 372                         end_head = first->end_head;
 373                         end_sec = first->end_sector & 0x3f;
 374                 }
 375
 376                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 377                 if (num < 4 && end_sec == param->sectors) {
 378                         if (param->cylinders != saved_cylinders)
 379                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 380                                         param->heads, param->sectors, num));
 381                 } else if (end_head > 0 || end_sec > 0) {
 382                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 383                                 end_head + 1, end_sec, num));
 384                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 385                                         param->heads, param->sectors));
 386                 }
 387         }
 388         kfree(buf);
 389         return 0;
 390 }
 391
 392 /**
 393  *      aac_slave_configure             -       compute queue depths
 394  *      @sdev:  SCSI device we are considering
 395  *
 396  *      Selects queue depths for each target device based on the host adapter's
 397  *      total capacity and the queue depth supported by the target device.
 398  *      A queue depth of one automatically disables tagged queueing.
 399  */
 400
 401 static int aac_slave_configure(struct scsi_device *sdev)
 402 {
 403         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 404         if (aac->jbod && (sdev->type == TYPE_DISK))
 405                 sdev->removable = 1;
 406         if ((sdev->type == TYPE_DISK) &&
 407                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 408                         (!aac->jbod || sdev->inq_periph_qual) &&
 409                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 410                 if (expose_physicals == 0)
 411                         return -ENXIO;
 412                 if (expose_physicals < 0)
 413                         sdev->no_uld_attach = 1;
 414         }
 415         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 416                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 417                         !sdev->no_uld_attach) {
 418                 struct scsi_device * dev;
 419                 struct Scsi_Host *host = sdev->host;
 420                 unsigned num_lsu = 0;
 421                 unsigned num_one = 0;
 422                 unsigned depth;
 423                 unsigned cid;
 424
 425                 /*
 426                  * Firmware has an individual device recovery time typically
 427                  * of 35 seconds, give us a margin.
 428                  */
 429                 if (sdev->timeout < (45 * HZ))
 430                         sdev->timeout = 45 * HZ;
 431                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 432                         if (aac->fsa_dev[cid].valid)
 433                                 ++num_lsu;
 434                 __shost_for_each_device(dev, host) {
 435                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 436                                         (!aac->raid_scsi_mode ||
 437                                                 (sdev_channel(sdev) != 2)) &&
 438                                         !dev->no_uld_attach) {
 439                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 440                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 441                                         ++num_lsu;
 442                         } else
 443                                 ++num_one;
 444                 }
 445                 if (num_lsu == 0)
 446                         ++num_lsu;
 447                 depth = (host->can_queue - num_one) / num_lsu;
 448                 if (depth > 256)
 449                         depth = 256;
 450                 else if (depth < 2)
 451                         depth = 2;
 452                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 453         } else
 454                 scsi_adjust_queue_depth(sdev, 0, 1);
 455
 456         return 0;
 457 }
 458
 459 /**
 460  *      aac_change_queue_depth          -       alter queue depths
 461  *      @sdev:  SCSI device we are considering
 462  *      @depth: desired queue depth
 463  *
 464  *      Alters queue depths for target device based on the host adapter's
 465  *      total capacity and the queue depth supported by the target device.
 466  */
 467
 468 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 469 {
 470         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 471             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 472                 struct scsi_device * dev;
 473                 struct Scsi_Host *host = sdev->host;
 474                 unsigned num = 0;
 475
 476                 __shost_for_each_device(dev, host) {
 477                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 478                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 479                                 ++num;
 480                         ++num;
 481                 }
 482                 if (num >= host->can_queue)
 483                         num = host->can_queue - 1;
 484                 if (depth > (host->can_queue - num))
 485                         depth = host->can_queue - num;
 486                 if (depth > 256)
 487                         depth = 256;
 488                 else if (depth < 2)
 489                         depth = 2;
 490                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 491         } else
 492                 scsi_adjust_queue_depth(sdev, 0, 1);
 493         return sdev->queue_depth;
 494 }
 495
 496 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 497 {
 498         struct scsi_device *sdev = to_scsi_device(dev);
 499         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 500         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 501                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 502                   ? "Hidden\n" :
 503                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 504         return snprintf(buf, PAGE_SIZE, "%s\n",
 505           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 506 }
 507
 508 static struct device_attribute aac_raid_level_attr = {
 509         .attr = {
 510                 .name = "level",
 511                 .mode = S_IRUGO,
 512         },
 513         .show = aac_show_raid_level
 514 };
 515
 516 static struct device_attribute *aac_dev_attrs[] = {
 517         &aac_raid_level_attr,
 518         NULL,
 519 };
 520
 521 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 522 {
 523         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 524         if (!capable(CAP_SYS_RAWIO))
 525                 return -EPERM;
 526         return aac_do_ioctl(dev, cmd, arg);
 527 }
 528
 529 static int aac_eh_abort(struct scsi_cmnd* cmd)
 530 {
 531         struct scsi_device * dev = cmd->device;
 532         struct Scsi_Host * host = dev->host;
 533         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 534         int count;
 535         int ret = FAILED;
 536
 537         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
 538                 AAC_DRIVERNAME,
 539                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 540         switch (cmd->cmnd[0]) {
 541         case SERVICE_ACTION_IN:
 542                 if (!(aac->raw_io_interface) ||
 543                     !(aac->raw_io_64) ||
 544                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 545                         break;
 546         case INQUIRY:
 547         case READ_CAPACITY:
 548                 /* Mark associated FIB to not complete, eh handler does this */
 549                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 550                         struct fib * fib = &aac->fibs[count];
 551                         if (fib->hw_fib_va->header.XferState &&
 552                           (fib->flags & FIB_CONTEXT_FLAG) &&
 553                           (fib->callback_data == cmd)) {
 554                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 555                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 556                                 ret = SUCCESS;
 557                         }
 558                 }
 559                 break;
 560         case TEST_UNIT_READY:
 561                 /* Mark associated FIB to not complete, eh handler does this */
 562                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 563                         struct scsi_cmnd * command;
 564                         struct fib * fib = &aac->fibs[count];
 565                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 566                           (fib->flags & FIB_CONTEXT_FLAG) &&
 567                           ((command = fib->callback_data)) &&
 568                           (command->device == cmd->device)) {
 569                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 570                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 571                                 if (command == cmd)
 572                                         ret = SUCCESS;
 573                         }
 574                 }
 575         }
 576         return ret;
 577 }
 578
 579 /*
 580  *      aac_eh_reset    - Reset command handling
 581  *      @scsi_cmd:      SCSI command block causing the reset
 582  *
 583  */
 584 static int aac_eh_reset(struct scsi_cmnd* cmd)
 585 {
 586         struct scsi_device * dev = cmd->device;
 587         struct Scsi_Host * host = dev->host;
 588         struct scsi_cmnd * command;
 589         int count;
 590         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 591         unsigned long flags;
 592
 593         /* Mark the associated FIB to not complete, eh handler does this */
 594         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 595                 struct fib * fib = &aac->fibs[count];
 596                 if (fib->hw_fib_va->header.XferState &&
 597                   (fib->flags & FIB_CONTEXT_FLAG) &&
 598                   (fib->callback_data == cmd)) {
 599                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 600                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 601                 }
 602         }
 603         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 604                                         AAC_DRIVERNAME);
 605
 606         if ((count = aac_check_health(aac)))
 607                 return count;
 608         /*
 609          * Wait for all commands to complete to this specific
 610          * target (block maximum 60 seconds).
 611          */
 612         for (count = 60; count; --count) {
 613                 int active = aac->in_reset;
 614
 615                 if (active == 0)
 616                 __shost_for_each_device(dev, host) {
 617                         spin_lock_irqsave(&dev->list_lock, flags);
 618                         list_for_each_entry(command, &dev->cmd_list, list) {
 619                                 if ((command != cmd) &&
 620                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 621                                         active++;
 622                                         break;
 623                                 }
 624                         }
 625                         spin_unlock_irqrestore(&dev->list_lock, flags);
 626                         if (active)
 627                                 break;
 628
 629                 }
 630                 /*
 631                  * We can exit If all the commands are complete
 632                  */
 633                 if (active == 0)
 634                         return SUCCESS;
 635                 ssleep(1);
 636         }
 637         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 638         /*
 639          * This adapter needs a blind reset, only do so for Adapters that
 640          * support a register, instead of a commanded, reset.
 641          */
 642         if ((aac->supplement_adapter_info.SupportedOptions2 &
 643            AAC_OPTION_MU_RESET) &&
 644           aac_check_reset &&
 645           ((aac_check_reset != 1) ||
 646            !(aac->supplement_adapter_info.SupportedOptions2 &
 647             AAC_OPTION_IGNORE_RESET)))
 648                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 649         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 650 }
 651
 652 /**
 653  *      aac_cfg_open            -       open a configuration file
 654  *      @inode: inode being opened
 655  *      @file: file handle attached
 656  *
 657  *      Called when the configuration device is opened. Does the needed
 658  *      set up on the handle and then returns
 659  *
 660  *      Bugs: This needs extending to check a given adapter is present
 661  *      so we can support hot plugging, and to ref count adapters.
 662  */
 663
 664 static int aac_cfg_open(struct inode *inode, struct file *file)
 665 {
 666         struct aac_dev *aac;
 667         unsigned minor_number = iminor(inode);
 668         int err = -ENODEV;
 669
 670         list_for_each_entry(aac, &aac_devices, entry) {
 671                 if (aac->id == minor_number) {
 672                         file->private_data = aac;
 673                         err = 0;
 674                         break;
 675                 }
 676         }
 677
 678         return err;
 679 }
 680
 681 /**
 682  *      aac_cfg_ioctl           -       AAC configuration request
 683  *      @inode: inode of device
 684  *      @file: file handle
 685  *      @cmd: ioctl command code
 686  *      @arg: argument
 687  *
 688  *      Handles a configuration ioctl. Currently this involves wrapping it
 689  *      up and feeding it into the nasty windowsalike glue layer.
 690  *
 691  *      Bugs: Needs locking against parallel ioctls lower down
 692  *      Bugs: Needs to handle hot plugging
 693  */
 694
 695 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
 696                 unsigned int cmd, unsigned long arg)
 697 {
 698         if (!capable(CAP_SYS_RAWIO))
 699                 return -EPERM;
 700         return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 701 }
 702
 703 #ifdef CONFIG_COMPAT
 704 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 705 {
 706         long ret;
 707         lock_kernel();
 708         switch (cmd) {
 709         case FSACTL_MINIPORT_REV_CHECK:
 710         case FSACTL_SENDFIB:
 711         case FSACTL_OPEN_GET_ADAPTER_FIB:
 712         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 713         case FSACTL_SEND_RAW_SRB:
 714         case FSACTL_GET_PCI_INFO:
 715         case FSACTL_QUERY_DISK:
 716         case FSACTL_DELETE_DISK:
 717         case FSACTL_FORCE_DELETE_DISK:
 718         case FSACTL_GET_CONTAINERS:
 719         case FSACTL_SEND_LARGE_FIB:
 720                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 721                 break;
 722
 723         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 724                 struct fib_ioctl __user *f;
 725
 726                 f = compat_alloc_user_space(sizeof(*f));
 727                 ret = 0;
 728                 if (clear_user(f, sizeof(*f)))
 729                         ret = -EFAULT;
 730                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 731                         ret = -EFAULT;
 732                 if (!ret)
 733                         ret = aac_do_ioctl(dev, cmd, f);
 734                 break;
 735         }
 736
 737         default:
 738                 ret = -ENOIOCTLCMD;
 739                 break;
 740         }
 741         unlock_kernel();
 742         return ret;
 743 }
 744
 745 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 746 {
 747         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 748         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 749 }
 750
 751 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 752 {
 753         if (!capable(CAP_SYS_RAWIO))
 754                 return -EPERM;
 755         return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
 756 }
 757 #endif
 758
 759 static ssize_t aac_show_model(struct device *device,
 760                               struct device_attribute *attr, char *buf)
 761 {
 762         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 763         int len;
 764
 765         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 766                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 767                 while (*cp && *cp != ' ')
 768                         ++cp;
 769                 while (*cp == ' ')
 770                         ++cp;
 771                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 772         } else
 773                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 774                   aac_drivers[dev->cardtype].model);
 775         return len;
 776 }
 777
 778 static ssize_t aac_show_vendor(struct device *device,
 779                                struct device_attribute *attr, char *buf)
 780 {
 781         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 782         int len;
 783
 784         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 785                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 786                 while (*cp && *cp != ' ')
 787                         ++cp;
 788                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 789                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 790                   dev->supplement_adapter_info.AdapterTypeText);
 791         } else
 792                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 793                   aac_drivers[dev->cardtype].vname);
 794         return len;
 795 }
 796
 797 static ssize_t aac_show_flags(struct device *cdev,
 798                               struct device_attribute *attr, char *buf)
 799 {
 800         int len = 0;
 801         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 802
 803         if (nblank(dprintk(x)))
 804                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 805 #ifdef AAC_DETAILED_STATUS_INFO
 806         len += snprintf(buf + len, PAGE_SIZE - len,
 807                         "AAC_DETAILED_STATUS_INFO\n");
 808 #endif
 809         if (dev->raw_io_interface && dev->raw_io_64)
 810                 len += snprintf(buf + len, PAGE_SIZE - len,
 811                                 "SAI_READ_CAPACITY_16\n");
 812         if (dev->jbod)
 813                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 814         if (dev->supplement_adapter_info.SupportedOptions2 &
 815                 AAC_OPTION_POWER_MANAGEMENT)
 816                 len += snprintf(buf + len, PAGE_SIZE - len,
 817                                 "SUPPORTED_POWER_MANAGEMENT\n");
 818         if (dev->msi)
 819                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 820         return len;
 821 }
 822
 823 static ssize_t aac_show_kernel_version(struct device *device,
 824                                        struct device_attribute *attr,
 825                                        char *buf)
 826 {
 827         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 828         int len, tmp;
 829
 830         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 831         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 832           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 833           le32_to_cpu(dev->adapter_info.kernelbuild));
 834         return len;
 835 }
 836
 837 static ssize_t aac_show_monitor_version(struct device *device,
 838                                         struct device_attribute *attr,
 839                                         char *buf)
 840 {
 841         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 842         int len, tmp;
 843
 844         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 845         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 846           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 847           le32_to_cpu(dev->adapter_info.monitorbuild));
 848         return len;
 849 }
 850
 851 static ssize_t aac_show_bios_version(struct device *device,
 852                                      struct device_attribute *attr,
 853                                      char *buf)
 854 {
 855         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 856         int len, tmp;
 857
 858         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 859         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 860           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 861           le32_to_cpu(dev->adapter_info.biosbuild));
 862         return len;
 863 }
 864
 865 ssize_t aac_show_serial_number(struct device *device,
 866                                struct device_attribute *attr, char *buf)
 867 {
 868         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 869         int len = 0;
 870
 871         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 872                 len = snprintf(buf, PAGE_SIZE, "%06X\n",
 873                   le32_to_cpu(dev->adapter_info.serial[0]));
 874         if (len &&
 875           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 876             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 877           buf, len-1))
 878                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 879                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 880                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 881         return len;
 882 }
 883
 884 static ssize_t aac_show_max_channel(struct device *device,
 885                                     struct device_attribute *attr, char *buf)
 886 {
 887         return snprintf(buf, PAGE_SIZE, "%d\n",
 888           class_to_shost(device)->max_channel);
 889 }
 890
 891 static ssize_t aac_show_max_id(struct device *device,
 892                                struct device_attribute *attr, char *buf)
 893 {
 894         return snprintf(buf, PAGE_SIZE, "%d\n",
 895           class_to_shost(device)->max_id);
 896 }
 897
 898 static ssize_t aac_store_reset_adapter(struct device *device,
 899                                        struct device_attribute *attr,
 900                                        const char *buf, size_t count)
 901 {
 902         int retval = -EACCES;
 903
 904         if (!capable(CAP_SYS_ADMIN))
 905                 return retval;
 906         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 907         if (retval >= 0)
 908                 retval = count;
 909         return retval;
 910 }
 911
 912 static ssize_t aac_show_reset_adapter(struct device *device,
 913                                       struct device_attribute *attr,
 914                                       char *buf)
 915 {
 916         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 917         int len, tmp;
 918
 919         tmp = aac_adapter_check_health(dev);
 920         if ((tmp == 0) && dev->in_reset)
 921                 tmp = -EBUSY;
 922         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 923         return len;
 924 }
 925
 926 static struct device_attribute aac_model = {
 927         .attr = {
 928                 .name = "model",
 929                 .mode = S_IRUGO,
 930         },
 931         .show = aac_show_model,
 932 };
 933 static struct device_attribute aac_vendor = {
 934         .attr = {
 935                 .name = "vendor",
 936                 .mode = S_IRUGO,
 937         },
 938         .show = aac_show_vendor,
 939 };
 940 static struct device_attribute aac_flags = {
 941         .attr = {
 942                 .name = "flags",
 943                 .mode = S_IRUGO,
 944         },
 945         .show = aac_show_flags,
 946 };
 947 static struct device_attribute aac_kernel_version = {
 948         .attr = {
 949                 .name = "hba_kernel_version",
 950                 .mode = S_IRUGO,
 951         },
 952         .show = aac_show_kernel_version,
 953 };
 954 static struct device_attribute aac_monitor_version = {
 955         .attr = {
 956                 .name = "hba_monitor_version",
 957                 .mode = S_IRUGO,
 958         },
 959         .show = aac_show_monitor_version,
 960 };
 961 static struct device_attribute aac_bios_version = {
 962         .attr = {
 963                 .name = "hba_bios_version",
 964                 .mode = S_IRUGO,
 965         },
 966         .show = aac_show_bios_version,
 967 };
 968 static struct device_attribute aac_serial_number = {
 969         .attr = {
 970                 .name = "serial_number",
 971                 .mode = S_IRUGO,
 972         },
 973         .show = aac_show_serial_number,
 974 };
 975 static struct device_attribute aac_max_channel = {
 976         .attr = {
 977                 .name = "max_channel",
 978                 .mode = S_IRUGO,
 979         },
 980         .show = aac_show_max_channel,
 981 };
 982 static struct device_attribute aac_max_id = {
 983         .attr = {
 984                 .name = "max_id",
 985                 .mode = S_IRUGO,
 986         },
 987         .show = aac_show_max_id,
 988 };
 989 static struct device_attribute aac_reset = {
 990         .attr = {
 991                 .name = "reset_host",
 992                 .mode = S_IWUSR|S_IRUGO,
 993         },
 994         .store = aac_store_reset_adapter,
 995         .show = aac_show_reset_adapter,
 996 };
 997
 998 static struct device_attribute *aac_attrs[] = {
 999         &aac_model,
1000         &aac_vendor,
1001         &aac_flags,
1002         &aac_kernel_version,
1003         &aac_monitor_version,
1004         &aac_bios_version,
1005         &aac_serial_number,
1006         &aac_max_channel,
1007         &aac_max_id,
1008         &aac_reset,
1009         NULL
1010 };
1011
1012 ssize_t aac_get_serial_number(struct device *device, char *buf)
1013 {
1014         return aac_show_serial_number(device, &aac_serial_number, buf);
1015 }
1016
1017 static const struct file_operations aac_cfg_fops = {
1018         .owner          = THIS_MODULE,
1019         .ioctl          = aac_cfg_ioctl,
1020 #ifdef CONFIG_COMPAT
1021         .compat_ioctl   = aac_compat_cfg_ioctl,
1022 #endif
1023         .open           = aac_cfg_open,
1024 };
1025
1026 static struct scsi_host_template aac_driver_template = {
1027         .module                         = THIS_MODULE,
1028         .name                           = "AAC",
1029         .proc_name                      = AAC_DRIVERNAME,
1030         .info                           = aac_info,
1031         .ioctl                          = aac_ioctl,
1032 #ifdef CONFIG_COMPAT
1033         .compat_ioctl                   = aac_compat_ioctl,
1034 #endif
1035         .queuecommand                   = aac_queuecommand,
1036         .bios_param                     = aac_biosparm,
1037         .shost_attrs                    = aac_attrs,
1038         .slave_configure                = aac_slave_configure,
1039         .change_queue_depth             = aac_change_queue_depth,
1040         .sdev_attrs                     = aac_dev_attrs,
1041         .eh_abort_handler               = aac_eh_abort,
1042         .eh_host_reset_handler          = aac_eh_reset,
1043         .can_queue                      = AAC_NUM_IO_FIB,
1044         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1045         .sg_tablesize                   = 16,
1046         .max_sectors                    = 128,
1047 #if (AAC_NUM_IO_FIB > 256)
1048         .cmd_per_lun                    = 256,
1049 #else
1050         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1051 #endif
1052         .use_clustering                 = ENABLE_CLUSTERING,
1053         .emulated                       = 1,
1054 };
1055
1056 static void __aac_shutdown(struct aac_dev * aac)
1057 {
1058         if (aac->aif_thread)
1059                 kthread_stop(aac->thread);
1060         aac_send_shutdown(aac);
1061         aac_adapter_disable_int(aac);
1062         free_irq(aac->pdev->irq, aac);
1063         if (aac->msi)
1064                 pci_disable_msi(aac->pdev);
1065 }
1066
1067 static int __devinit aac_probe_one(struct pci_dev *pdev,
1068                 const struct pci_device_id *id)
1069 {
1070         unsigned index = id->driver_data;
1071         struct Scsi_Host *shost;
1072         struct aac_dev *aac;
1073         struct list_head *insert = &aac_devices;
1074         int error = -ENODEV;
1075         int unique_id = 0;
1076
1077         list_for_each_entry(aac, &aac_devices, entry) {
1078                 if (aac->id > unique_id)
1079                         break;
1080                 insert = &aac->entry;
1081                 unique_id++;
1082         }
1083
1084         error = pci_enable_device(pdev);
1085         if (error)
1086                 goto out;
1087         error = -ENODEV;
1088
1089         if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1090                         pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1091                 goto out_disable_pdev;
1092         /*
1093          * If the quirk31 bit is set, the adapter needs adapter
1094          * to driver communication memory to be allocated below 2gig
1095          */
1096         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1097                 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1098                                 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1099                         goto out_disable_pdev;
1100
1101         pci_set_master(pdev);
1102
1103         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1104         if (!shost)
1105                 goto out_disable_pdev;
1106
1107         shost->irq = pdev->irq;
1108         shost->base = pci_resource_start(pdev, 0);
1109         shost->unique_id = unique_id;
1110         shost->max_cmd_len = 16;
1111
1112         aac = (struct aac_dev *)shost->hostdata;
1113         aac->scsi_host_ptr = shost;
1114         aac->pdev = pdev;
1115         aac->name = aac_driver_template.name;
1116         aac->id = shost->unique_id;
1117         aac->cardtype = index;
1118         INIT_LIST_HEAD(&aac->entry);
1119
1120         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1121         if (!aac->fibs)
1122                 goto out_free_host;
1123         spin_lock_init(&aac->fib_lock);
1124
1125         /*
1126          *      Map in the registers from the adapter.
1127          */
1128         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1129         if ((*aac_drivers[index].init)(aac))
1130                 goto out_unmap;
1131
1132         /*
1133          *      Start any kernel threads needed
1134          */
1135         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1136         if (IS_ERR(aac->thread)) {
1137                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1138                 error = PTR_ERR(aac->thread);
1139                 goto out_deinit;
1140         }
1141
1142         /*
1143          * If we had set a smaller DMA mask earlier, set it to 4gig
1144          * now since the adapter can dma data to at least a 4gig
1145          * address space.
1146          */
1147         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1148                 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1149                         goto out_deinit;
1150
1151         aac->maximum_num_channels = aac_drivers[index].channels;
1152         error = aac_get_adapter_info(aac);
1153         if (error < 0)
1154                 goto out_deinit;
1155
1156         /*
1157          * Lets override negotiations and drop the maximum SG limit to 34
1158          */
1159         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1160                         (shost->sg_tablesize > 34)) {
1161                 shost->sg_tablesize = 34;
1162                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1163         }
1164
1165         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1166                         (shost->sg_tablesize > 17)) {
1167                 shost->sg_tablesize = 17;
1168                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1169         }
1170
1171         error = pci_set_dma_max_seg_size(pdev,
1172                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1173                         (shost->max_sectors << 9) : 65536);
1174         if (error)
1175                 goto out_deinit;
1176
1177         /*
1178          * Firmware printf works only with older firmware.
1179          */
1180         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1181                 aac->printf_enabled = 1;
1182         else
1183                 aac->printf_enabled = 0;
1184
1185         /*
1186          * max channel will be the physical channels plus 1 virtual channel
1187          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1188          * physical channels are address by their actual physical number+1
1189          */
1190         if (aac->nondasd_support || expose_physicals || aac->jbod)
1191                 shost->max_channel = aac->maximum_num_channels;
1192         else
1193                 shost->max_channel = 0;
1194
1195         aac_get_config_status(aac, 0);
1196         aac_get_containers(aac);
1197         list_add(&aac->entry, insert);
1198
1199         shost->max_id = aac->maximum_num_containers;
1200         if (shost->max_id < aac->maximum_num_physicals)
1201                 shost->max_id = aac->maximum_num_physicals;
1202         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1203                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1204         else
1205                 shost->this_id = shost->max_id;
1206
1207         /*
1208          * dmb - we may need to move the setting of these parms somewhere else once
1209          * we get a fib that can report the actual numbers
1210          */
1211         shost->max_lun = AAC_MAX_LUN;
1212
1213         pci_set_drvdata(pdev, shost);
1214
1215         error = scsi_add_host(shost, &pdev->dev);
1216         if (error)
1217                 goto out_deinit;
1218         scsi_scan_host(shost);
1219
1220         return 0;
1221
1222  out_deinit:
1223         __aac_shutdown(aac);
1224  out_unmap:
1225         aac_fib_map_free(aac);
1226         if (aac->comm_addr)
1227                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1228                   aac->comm_phys);
1229         kfree(aac->queues);
1230         aac_adapter_ioremap(aac, 0);
1231         kfree(aac->fibs);
1232         kfree(aac->fsa_dev);
1233  out_free_host:
1234         scsi_host_put(shost);
1235  out_disable_pdev:
1236         pci_disable_device(pdev);
1237  out:
1238         return error;
1239 }
1240
1241 static void aac_shutdown(struct pci_dev *dev)
1242 {
1243         struct Scsi_Host *shost = pci_get_drvdata(dev);
1244         scsi_block_requests(shost);
1245         __aac_shutdown((struct aac_dev *)shost->hostdata);
1246 }
1247
1248 static void __devexit aac_remove_one(struct pci_dev *pdev)
1249 {
1250         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1251         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1252
1253         scsi_remove_host(shost);
1254
1255         __aac_shutdown(aac);
1256         aac_fib_map_free(aac);
1257         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1258                         aac->comm_phys);
1259         kfree(aac->queues);
1260
1261         aac_adapter_ioremap(aac, 0);
1262
1263         kfree(aac->fibs);
1264         kfree(aac->fsa_dev);
1265
1266         list_del(&aac->entry);
1267         scsi_host_put(shost);
1268         pci_disable_device(pdev);
1269         if (list_empty(&aac_devices)) {
1270                 unregister_chrdev(aac_cfg_major, "aac");
1271                 aac_cfg_major = -1;
1272         }
1273 }
1274
1275 static struct pci_driver aac_pci_driver = {
1276         .name           = AAC_DRIVERNAME,
1277         .id_table       = aac_pci_tbl,
1278         .probe          = aac_probe_one,
1279         .remove         = __devexit_p(aac_remove_one),
1280         .shutdown       = aac_shutdown,
1281 };
1282
1283 static int __init aac_init(void)
1284 {
1285         int error;
1286
1287         printk(KERN_INFO "Adaptec %s driver %s\n",
1288           AAC_DRIVERNAME, aac_driver_version);
1289
1290         error = pci_register_driver(&aac_pci_driver);
1291         if (error < 0)
1292                 return error;
1293
1294         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1295         if (aac_cfg_major < 0) {
1296                 printk(KERN_WARNING
1297                         "aacraid: unable to register \"aac\" device.\n");
1298         }
1299
1300         return 0;
1301 }
1302
1303 static void __exit aac_exit(void)
1304 {
1305         if (aac_cfg_major > -1)
1306                 unregister_chrdev(aac_cfg_major, "aac");
1307         pci_unregister_driver(&aac_pci_driver);
1308 }
1309
1310 module_init(aac_init);
1311 module_exit(aac_exit);