linux/drivers/scsi/aacraid/linit.c
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   1/*
   2 *      Adaptec AAC series RAID controller driver
   3 *      (c) Copyright 2001 Red Hat Inc.
   4 *
   5 * based on the old aacraid driver that is..
   6 * Adaptec aacraid device driver for Linux.
   7 *
   8 * Copyright (c) 2000-2010 Adaptec, Inc.
   9 *               2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10 *
  11 * This program is free software; you can redistribute it and/or modify
  12 * it under the terms of the GNU General Public License as published by
  13 * the Free Software Foundation; either version 2, or (at your option)
  14 * any later version.
  15 *
  16 * This program is distributed in the hope that it will be useful,
  17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 * GNU General Public License for more details.
  20 *
  21 * You should have received a copy of the GNU General Public License
  22 * along with this program; see the file COPYING.  If not, write to
  23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24 *
  25 * Module Name:
  26 *   linit.c
  27 *
  28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  29 */
  30
  31
  32#include <linux/compat.h>
  33#include <linux/blkdev.h>
  34#include <linux/completion.h>
  35#include <linux/init.h>
  36#include <linux/interrupt.h>
  37#include <linux/kernel.h>
  38#include <linux/module.h>
  39#include <linux/moduleparam.h>
  40#include <linux/pci.h>
  41#include <linux/aer.h>
  42#include <linux/pci-aspm.h>
  43#include <linux/slab.h>
  44#include <linux/mutex.h>
  45#include <linux/spinlock.h>
  46#include <linux/syscalls.h>
  47#include <linux/delay.h>
  48#include <linux/kthread.h>
  49
  50#include <scsi/scsi.h>
  51#include <scsi/scsi_cmnd.h>
  52#include <scsi/scsi_device.h>
  53#include <scsi/scsi_host.h>
  54#include <scsi/scsi_tcq.h>
  55#include <scsi/scsicam.h>
  56#include <scsi/scsi_eh.h>
  57
  58#include "aacraid.h"
  59
  60#define AAC_DRIVER_VERSION              "1.2-1"
  61#ifndef AAC_DRIVER_BRANCH
  62#define AAC_DRIVER_BRANCH               ""
  63#endif
  64#define AAC_DRIVERNAME                  "aacraid"
  65
  66#ifdef AAC_DRIVER_BUILD
  67#define _str(x) #x
  68#define str(x) _str(x)
  69#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  70#else
  71#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  72#endif
  73
  74MODULE_AUTHOR("Red Hat Inc and Adaptec");
  75MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  76                   "Adaptec Advanced Raid Products, "
  77                   "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  78MODULE_LICENSE("GPL");
  79MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  80
  81static DEFINE_MUTEX(aac_mutex);
  82static LIST_HEAD(aac_devices);
  83static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  84char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  85
  86/*
  87 * Because of the way Linux names scsi devices, the order in this table has
  88 * become important.  Check for on-board Raid first, add-in cards second.
  89 *
  90 * Note: The last field is used to index into aac_drivers below.
  91 */
  92static const struct pci_device_id aac_pci_tbl[] = {
  93        { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  94        { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  95        { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  96        { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  97        { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  98        { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  99        { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 100        { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 101        { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 102        { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 103        { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 104        { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 105        { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 106        { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 107        { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 108        { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 109
 110        { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 111        { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 112        { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 113        { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 114        { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 115        { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 116        { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 117        { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 118        { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 119        { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 120        { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 121        { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 122        { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 123        { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 124        { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 125        { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 126        { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 127        { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 128        { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 129        { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 130        { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 131        { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 132        { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 133        { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 134        { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 135        { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 136        { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 137        { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 138        { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 139        { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 140        { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 141        { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 142        { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 143        { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 144        { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 145        { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 146        { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 147        { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 148
 149        { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 150        { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 151        { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 152        { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 153        { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 154
 155        { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 156        { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 157        { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 158        { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 159        { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 160        { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 161        { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 162        { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 163        { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
 164        { 0,}
 165};
 166MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 167
 168/*
 169 * dmb - For now we add the number of channels to this structure.
 170 * In the future we should add a fib that reports the number of channels
 171 * for the card.  At that time we can remove the channels from here
 172 */
 173static struct aac_driver_ident aac_drivers[] = {
 174        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 175        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 176        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 177        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 178        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 179        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 180        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 181        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 182        { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 183        { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 184        { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 185        { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 186        { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 187        { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 188        { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 189        { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 190
 191        { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 192        { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 193        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 194        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 195        { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 196        { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 197        { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 198        { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 199        { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 200        { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 201        { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 202        { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 203        { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 204        { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 205        { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 206        { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 207        { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 208        { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 209        { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 210        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 211        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 212        { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 213        { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 214        { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 215        { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 216        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 217        { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 218        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 219        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 220        { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 221        { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 222        { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 223        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 224        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 225        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 226        { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 227
 228        { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 229        { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 230        { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 231        { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 232        { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 233
 234        { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 235        { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 236        { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 237        { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 238        { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 239        { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
 240        { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
 241        { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
 242        { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC } /* Adaptec PMC Series 9 */
 243};
 244
 245/**
 246 *      aac_queuecommand        -       queue a SCSI command
 247 *      @cmd:           SCSI command to queue
 248 *      @done:          Function to call on command completion
 249 *
 250 *      Queues a command for execution by the associated Host Adapter.
 251 *
 252 *      TODO: unify with aac_scsi_cmd().
 253 */
 254
 255static int aac_queuecommand(struct Scsi_Host *shost,
 256                            struct scsi_cmnd *cmd)
 257{
 258        int r = 0;
 259        cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 260        r = (aac_scsi_cmd(cmd) ? FAILED : 0);
 261        return r;
 262}
 263
 264/**
 265 *      aac_info                -       Returns the host adapter name
 266 *      @shost:         Scsi host to report on
 267 *
 268 *      Returns a static string describing the device in question
 269 */
 270
 271static const char *aac_info(struct Scsi_Host *shost)
 272{
 273        struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 274        return aac_drivers[dev->cardtype].name;
 275}
 276
 277/**
 278 *      aac_get_driver_ident
 279 *      @devtype: index into lookup table
 280 *
 281 *      Returns a pointer to the entry in the driver lookup table.
 282 */
 283
 284struct aac_driver_ident* aac_get_driver_ident(int devtype)
 285{
 286        return &aac_drivers[devtype];
 287}
 288
 289/**
 290 *      aac_biosparm    -       return BIOS parameters for disk
 291 *      @sdev: The scsi device corresponding to the disk
 292 *      @bdev: the block device corresponding to the disk
 293 *      @capacity: the sector capacity of the disk
 294 *      @geom: geometry block to fill in
 295 *
 296 *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 297 *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 298 *      number of cylinders so as not to exceed drive capacity.  In order for
 299 *      disks equal to or larger than 1 GB to be addressable by the BIOS
 300 *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 301 *      Translation should be enabled.   With Extended Translation enabled,
 302 *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 303 *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 304 *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 305 *      the BIOS detects that the Extended Translation setting does not match
 306 *      the geometry in the partition table, then the translation inferred
 307 *      from the partition table will be used by the BIOS, and a warning may
 308 *      be displayed.
 309 */
 310
 311static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 312                        sector_t capacity, int *geom)
 313{
 314        struct diskparm *param = (struct diskparm *)geom;
 315        unsigned char *buf;
 316
 317        dprintk((KERN_DEBUG "aac_biosparm.\n"));
 318
 319        /*
 320         *      Assuming extended translation is enabled - #REVISIT#
 321         */
 322        if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 323                if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 324                        param->heads = 255;
 325                        param->sectors = 63;
 326                } else {
 327                        param->heads = 128;
 328                        param->sectors = 32;
 329                }
 330        } else {
 331                param->heads = 64;
 332                param->sectors = 32;
 333        }
 334
 335        param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 336
 337        /*
 338         *      Read the first 1024 bytes from the disk device, if the boot
 339         *      sector partition table is valid, search for a partition table
 340         *      entry whose end_head matches one of the standard geometry
 341         *      translations ( 64/32, 128/32, 255/63 ).
 342         */
 343        buf = scsi_bios_ptable(bdev);
 344        if (!buf)
 345                return 0;
 346        if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 347                struct partition *first = (struct partition * )buf;
 348                struct partition *entry = first;
 349                int saved_cylinders = param->cylinders;
 350                int num;
 351                unsigned char end_head, end_sec;
 352
 353                for(num = 0; num < 4; num++) {
 354                        end_head = entry->end_head;
 355                        end_sec = entry->end_sector & 0x3f;
 356
 357                        if(end_head == 63) {
 358                                param->heads = 64;
 359                                param->sectors = 32;
 360                                break;
 361                        } else if(end_head == 127) {
 362                                param->heads = 128;
 363                                param->sectors = 32;
 364                                break;
 365                        } else if(end_head == 254) {
 366                                param->heads = 255;
 367                                param->sectors = 63;
 368                                break;
 369                        }
 370                        entry++;
 371                }
 372
 373                if (num == 4) {
 374                        end_head = first->end_head;
 375                        end_sec = first->end_sector & 0x3f;
 376                }
 377
 378                param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 379                if (num < 4 && end_sec == param->sectors) {
 380                        if (param->cylinders != saved_cylinders)
 381                                dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 382                                        param->heads, param->sectors, num));
 383                } else if (end_head > 0 || end_sec > 0) {
 384                        dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 385                                end_head + 1, end_sec, num));
 386                        dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 387                                        param->heads, param->sectors));
 388                }
 389        }
 390        kfree(buf);
 391        return 0;
 392}
 393
 394/**
 395 *      aac_slave_configure             -       compute queue depths
 396 *      @sdev:  SCSI device we are considering
 397 *
 398 *      Selects queue depths for each target device based on the host adapter's
 399 *      total capacity and the queue depth supported by the target device.
 400 *      A queue depth of one automatically disables tagged queueing.
 401 */
 402
 403static int aac_slave_configure(struct scsi_device *sdev)
 404{
 405        struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 406        if (aac->jbod && (sdev->type == TYPE_DISK))
 407                sdev->removable = 1;
 408        if ((sdev->type == TYPE_DISK) &&
 409                        (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 410                        (!aac->jbod || sdev->inq_periph_qual) &&
 411                        (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 412                if (expose_physicals == 0)
 413                        return -ENXIO;
 414                if (expose_physicals < 0)
 415                        sdev->no_uld_attach = 1;
 416        }
 417        if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 418                        (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 419                        !sdev->no_uld_attach) {
 420                struct scsi_device * dev;
 421                struct Scsi_Host *host = sdev->host;
 422                unsigned num_lsu = 0;
 423                unsigned num_one = 0;
 424                unsigned depth;
 425                unsigned cid;
 426
 427                /*
 428                 * Firmware has an individual device recovery time typically
 429                 * of 35 seconds, give us a margin.
 430                 */
 431                if (sdev->request_queue->rq_timeout < (45 * HZ))
 432                        blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 433                for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 434                        if (aac->fsa_dev[cid].valid)
 435                                ++num_lsu;
 436                __shost_for_each_device(dev, host) {
 437                        if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 438                                        (!aac->raid_scsi_mode ||
 439                                                (sdev_channel(sdev) != 2)) &&
 440                                        !dev->no_uld_attach) {
 441                                if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 442                                 || !aac->fsa_dev[sdev_id(dev)].valid)
 443                                        ++num_lsu;
 444                        } else
 445                                ++num_one;
 446                }
 447                if (num_lsu == 0)
 448                        ++num_lsu;
 449                depth = (host->can_queue - num_one) / num_lsu;
 450                if (depth > 256)
 451                        depth = 256;
 452                else if (depth < 2)
 453                        depth = 2;
 454                scsi_change_queue_depth(sdev, depth);
 455        } else {
 456                scsi_change_queue_depth(sdev, 1);
 457
 458                sdev->tagged_supported = 1;
 459        }
 460
 461        return 0;
 462}
 463
 464/**
 465 *      aac_change_queue_depth          -       alter queue depths
 466 *      @sdev:  SCSI device we are considering
 467 *      @depth: desired queue depth
 468 *
 469 *      Alters queue depths for target device based on the host adapter's
 470 *      total capacity and the queue depth supported by the target device.
 471 */
 472
 473static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 474{
 475        if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 476            (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 477                struct scsi_device * dev;
 478                struct Scsi_Host *host = sdev->host;
 479                unsigned num = 0;
 480
 481                __shost_for_each_device(dev, host) {
 482                        if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 483                            (sdev_channel(dev) == CONTAINER_CHANNEL))
 484                                ++num;
 485                        ++num;
 486                }
 487                if (num >= host->can_queue)
 488                        num = host->can_queue - 1;
 489                if (depth > (host->can_queue - num))
 490                        depth = host->can_queue - num;
 491                if (depth > 256)
 492                        depth = 256;
 493                else if (depth < 2)
 494                        depth = 2;
 495                return scsi_change_queue_depth(sdev, depth);
 496        }
 497
 498        return scsi_change_queue_depth(sdev, 1);
 499}
 500
 501static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 502{
 503        struct scsi_device *sdev = to_scsi_device(dev);
 504        struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 505        if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 506                return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 507                  ? "Hidden\n" :
 508                  ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 509        return snprintf(buf, PAGE_SIZE, "%s\n",
 510          get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 511}
 512
 513static struct device_attribute aac_raid_level_attr = {
 514        .attr = {
 515                .name = "level",
 516                .mode = S_IRUGO,
 517        },
 518        .show = aac_show_raid_level
 519};
 520
 521static struct device_attribute *aac_dev_attrs[] = {
 522        &aac_raid_level_attr,
 523        NULL,
 524};
 525
 526static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 527{
 528        struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 529        if (!capable(CAP_SYS_RAWIO))
 530                return -EPERM;
 531        return aac_do_ioctl(dev, cmd, arg);
 532}
 533
 534static int aac_eh_abort(struct scsi_cmnd* cmd)
 535{
 536        struct scsi_device * dev = cmd->device;
 537        struct Scsi_Host * host = dev->host;
 538        struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 539        int count;
 540        int ret = FAILED;
 541
 542        printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
 543                AAC_DRIVERNAME,
 544                host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 545        switch (cmd->cmnd[0]) {
 546        case SERVICE_ACTION_IN_16:
 547                if (!(aac->raw_io_interface) ||
 548                    !(aac->raw_io_64) ||
 549                    ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 550                        break;
 551        case INQUIRY:
 552        case READ_CAPACITY:
 553                /* Mark associated FIB to not complete, eh handler does this */
 554                for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 555                        struct fib * fib = &aac->fibs[count];
 556                        if (fib->hw_fib_va->header.XferState &&
 557                          (fib->flags & FIB_CONTEXT_FLAG) &&
 558                          (fib->callback_data == cmd)) {
 559                                fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 560                                cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 561                                ret = SUCCESS;
 562                        }
 563                }
 564                break;
 565        case TEST_UNIT_READY:
 566                /* Mark associated FIB to not complete, eh handler does this */
 567                for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 568                        struct scsi_cmnd * command;
 569                        struct fib * fib = &aac->fibs[count];
 570                        if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 571                          (fib->flags & FIB_CONTEXT_FLAG) &&
 572                          ((command = fib->callback_data)) &&
 573                          (command->device == cmd->device)) {
 574                                fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 575                                command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 576                                if (command == cmd)
 577                                        ret = SUCCESS;
 578                        }
 579                }
 580        }
 581        return ret;
 582}
 583
 584/*
 585 *      aac_eh_reset    - Reset command handling
 586 *      @scsi_cmd:      SCSI command block causing the reset
 587 *
 588 */
 589static int aac_eh_reset(struct scsi_cmnd* cmd)
 590{
 591        struct scsi_device * dev = cmd->device;
 592        struct Scsi_Host * host = dev->host;
 593        struct scsi_cmnd * command;
 594        int count;
 595        struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 596        unsigned long flags;
 597
 598        /* Mark the associated FIB to not complete, eh handler does this */
 599        for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 600                struct fib * fib = &aac->fibs[count];
 601                if (fib->hw_fib_va->header.XferState &&
 602                  (fib->flags & FIB_CONTEXT_FLAG) &&
 603                  (fib->callback_data == cmd)) {
 604                        fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 605                        cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 606                }
 607        }
 608        printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 609                                        AAC_DRIVERNAME);
 610
 611        if ((count = aac_check_health(aac)))
 612                return count;
 613        /*
 614         * Wait for all commands to complete to this specific
 615         * target (block maximum 60 seconds).
 616         */
 617        for (count = 60; count; --count) {
 618                int active = aac->in_reset;
 619
 620                if (active == 0)
 621                __shost_for_each_device(dev, host) {
 622                        spin_lock_irqsave(&dev->list_lock, flags);
 623                        list_for_each_entry(command, &dev->cmd_list, list) {
 624                                if ((command != cmd) &&
 625                                    (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 626                                        active++;
 627                                        break;
 628                                }
 629                        }
 630                        spin_unlock_irqrestore(&dev->list_lock, flags);
 631                        if (active)
 632                                break;
 633
 634                }
 635                /*
 636                 * We can exit If all the commands are complete
 637                 */
 638                if (active == 0)
 639                        return SUCCESS;
 640                ssleep(1);
 641        }
 642        printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 643        /*
 644         * This adapter needs a blind reset, only do so for Adapters that
 645         * support a register, instead of a commanded, reset.
 646         */
 647        if (((aac->supplement_adapter_info.SupportedOptions2 &
 648          AAC_OPTION_MU_RESET) ||
 649          (aac->supplement_adapter_info.SupportedOptions2 &
 650          AAC_OPTION_DOORBELL_RESET)) &&
 651          aac_check_reset &&
 652          ((aac_check_reset != 1) ||
 653           !(aac->supplement_adapter_info.SupportedOptions2 &
 654            AAC_OPTION_IGNORE_RESET)))
 655                aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 656        return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 657}
 658
 659/**
 660 *      aac_cfg_open            -       open a configuration file
 661 *      @inode: inode being opened
 662 *      @file: file handle attached
 663 *
 664 *      Called when the configuration device is opened. Does the needed
 665 *      set up on the handle and then returns
 666 *
 667 *      Bugs: This needs extending to check a given adapter is present
 668 *      so we can support hot plugging, and to ref count adapters.
 669 */
 670
 671static int aac_cfg_open(struct inode *inode, struct file *file)
 672{
 673        struct aac_dev *aac;
 674        unsigned minor_number = iminor(inode);
 675        int err = -ENODEV;
 676
 677        mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 678        list_for_each_entry(aac, &aac_devices, entry) {
 679                if (aac->id == minor_number) {
 680                        file->private_data = aac;
 681                        err = 0;
 682                        break;
 683                }
 684        }
 685        mutex_unlock(&aac_mutex);
 686
 687        return err;
 688}
 689
 690/**
 691 *      aac_cfg_ioctl           -       AAC configuration request
 692 *      @inode: inode of device
 693 *      @file: file handle
 694 *      @cmd: ioctl command code
 695 *      @arg: argument
 696 *
 697 *      Handles a configuration ioctl. Currently this involves wrapping it
 698 *      up and feeding it into the nasty windowsalike glue layer.
 699 *
 700 *      Bugs: Needs locking against parallel ioctls lower down
 701 *      Bugs: Needs to handle hot plugging
 702 */
 703
 704static long aac_cfg_ioctl(struct file *file,
 705                unsigned int cmd, unsigned long arg)
 706{
 707        struct aac_dev *aac = (struct aac_dev *)file->private_data;
 708
 709        if (!capable(CAP_SYS_RAWIO))
 710                return -EPERM;
 711
 712        return aac_do_ioctl(aac, cmd, (void __user *)arg);
 713}
 714
 715#ifdef CONFIG_COMPAT
 716static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 717{
 718        long ret;
 719        switch (cmd) {
 720        case FSACTL_MINIPORT_REV_CHECK:
 721        case FSACTL_SENDFIB:
 722        case FSACTL_OPEN_GET_ADAPTER_FIB:
 723        case FSACTL_CLOSE_GET_ADAPTER_FIB:
 724        case FSACTL_SEND_RAW_SRB:
 725        case FSACTL_GET_PCI_INFO:
 726        case FSACTL_QUERY_DISK:
 727        case FSACTL_DELETE_DISK:
 728        case FSACTL_FORCE_DELETE_DISK:
 729        case FSACTL_GET_CONTAINERS:
 730        case FSACTL_SEND_LARGE_FIB:
 731                ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 732                break;
 733
 734        case FSACTL_GET_NEXT_ADAPTER_FIB: {
 735                struct fib_ioctl __user *f;
 736
 737                f = compat_alloc_user_space(sizeof(*f));
 738                ret = 0;
 739                if (clear_user(f, sizeof(*f)))
 740                        ret = -EFAULT;
 741                if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 742                        ret = -EFAULT;
 743                if (!ret)
 744                        ret = aac_do_ioctl(dev, cmd, f);
 745                break;
 746        }
 747
 748        default:
 749                ret = -ENOIOCTLCMD;
 750                break;
 751        }
 752        return ret;
 753}
 754
 755static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 756{
 757        struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 758        if (!capable(CAP_SYS_RAWIO))
 759                return -EPERM;
 760        return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 761}
 762
 763static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 764{
 765        if (!capable(CAP_SYS_RAWIO))
 766                return -EPERM;
 767        return aac_compat_do_ioctl(file->private_data, cmd, arg);
 768}
 769#endif
 770
 771static ssize_t aac_show_model(struct device *device,
 772                              struct device_attribute *attr, char *buf)
 773{
 774        struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 775        int len;
 776
 777        if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 778                char * cp = dev->supplement_adapter_info.AdapterTypeText;
 779                while (*cp && *cp != ' ')
 780                        ++cp;
 781                while (*cp == ' ')
 782                        ++cp;
 783                len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 784        } else
 785                len = snprintf(buf, PAGE_SIZE, "%s\n",
 786                  aac_drivers[dev->cardtype].model);
 787        return len;
 788}
 789
 790static ssize_t aac_show_vendor(struct device *device,
 791                               struct device_attribute *attr, char *buf)
 792{
 793        struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 794        int len;
 795
 796        if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 797                char * cp = dev->supplement_adapter_info.AdapterTypeText;
 798                while (*cp && *cp != ' ')
 799                        ++cp;
 800                len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 801                  (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 802                  dev->supplement_adapter_info.AdapterTypeText);
 803        } else
 804                len = snprintf(buf, PAGE_SIZE, "%s\n",
 805                  aac_drivers[dev->cardtype].vname);
 806        return len;
 807}
 808
 809static ssize_t aac_show_flags(struct device *cdev,
 810                              struct device_attribute *attr, char *buf)
 811{
 812        int len = 0;
 813        struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 814
 815        if (nblank(dprintk(x)))
 816                len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 817#ifdef AAC_DETAILED_STATUS_INFO
 818        len += snprintf(buf + len, PAGE_SIZE - len,
 819                        "AAC_DETAILED_STATUS_INFO\n");
 820#endif
 821        if (dev->raw_io_interface && dev->raw_io_64)
 822                len += snprintf(buf + len, PAGE_SIZE - len,
 823                                "SAI_READ_CAPACITY_16\n");
 824        if (dev->jbod)
 825                len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 826        if (dev->supplement_adapter_info.SupportedOptions2 &
 827                AAC_OPTION_POWER_MANAGEMENT)
 828                len += snprintf(buf + len, PAGE_SIZE - len,
 829                                "SUPPORTED_POWER_MANAGEMENT\n");
 830        if (dev->msi)
 831                len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 832        return len;
 833}
 834
 835static ssize_t aac_show_kernel_version(struct device *device,
 836                                       struct device_attribute *attr,
 837                                       char *buf)
 838{
 839        struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 840        int len, tmp;
 841
 842        tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 843        len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 844          tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 845          le32_to_cpu(dev->adapter_info.kernelbuild));
 846        return len;
 847}
 848
 849static ssize_t aac_show_monitor_version(struct device *device,
 850                                        struct device_attribute *attr,
 851                                        char *buf)
 852{
 853        struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 854        int len, tmp;
 855
 856        tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 857        len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 858          tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 859          le32_to_cpu(dev->adapter_info.monitorbuild));
 860        return len;
 861}
 862
 863static ssize_t aac_show_bios_version(struct device *device,
 864                                     struct device_attribute *attr,
 865                                     char *buf)
 866{
 867        struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 868        int len, tmp;
 869
 870        tmp = le32_to_cpu(dev->adapter_info.biosrev);
 871        len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 872          tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 873          le32_to_cpu(dev->adapter_info.biosbuild));
 874        return len;
 875}
 876
 877static ssize_t aac_show_serial_number(struct device *device,
 878                               struct device_attribute *attr, char *buf)
 879{
 880        struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 881        int len = 0;
 882
 883        if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 884                len = snprintf(buf, 16, "%06X\n",
 885                  le32_to_cpu(dev->adapter_info.serial[0]));
 886        if (len &&
 887          !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 888            sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 889          buf, len-1))
 890                len = snprintf(buf, 16, "%.*s\n",
 891                  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 892                  dev->supplement_adapter_info.MfgPcbaSerialNo);
 893
 894        return min(len, 16);
 895}
 896
 897static ssize_t aac_show_max_channel(struct device *device,
 898                                    struct device_attribute *attr, char *buf)
 899{
 900        return snprintf(buf, PAGE_SIZE, "%d\n",
 901          class_to_shost(device)->max_channel);
 902}
 903
 904static ssize_t aac_show_max_id(struct device *device,
 905                               struct device_attribute *attr, char *buf)
 906{
 907        return snprintf(buf, PAGE_SIZE, "%d\n",
 908          class_to_shost(device)->max_id);
 909}
 910
 911static ssize_t aac_store_reset_adapter(struct device *device,
 912                                       struct device_attribute *attr,
 913                                       const char *buf, size_t count)
 914{
 915        int retval = -EACCES;
 916
 917        if (!capable(CAP_SYS_ADMIN))
 918                return retval;
 919        retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 920        if (retval >= 0)
 921                retval = count;
 922        return retval;
 923}
 924
 925static ssize_t aac_show_reset_adapter(struct device *device,
 926                                      struct device_attribute *attr,
 927                                      char *buf)
 928{
 929        struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 930        int len, tmp;
 931
 932        tmp = aac_adapter_check_health(dev);
 933        if ((tmp == 0) && dev->in_reset)
 934                tmp = -EBUSY;
 935        len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 936        return len;
 937}
 938
 939static struct device_attribute aac_model = {
 940        .attr = {
 941                .name = "model",
 942                .mode = S_IRUGO,
 943        },
 944        .show = aac_show_model,
 945};
 946static struct device_attribute aac_vendor = {
 947        .attr = {
 948                .name = "vendor",
 949                .mode = S_IRUGO,
 950        },
 951        .show = aac_show_vendor,
 952};
 953static struct device_attribute aac_flags = {
 954        .attr = {
 955                .name = "flags",
 956                .mode = S_IRUGO,
 957        },
 958        .show = aac_show_flags,
 959};
 960static struct device_attribute aac_kernel_version = {
 961        .attr = {
 962                .name = "hba_kernel_version",
 963                .mode = S_IRUGO,
 964        },
 965        .show = aac_show_kernel_version,
 966};
 967static struct device_attribute aac_monitor_version = {
 968        .attr = {
 969                .name = "hba_monitor_version",
 970                .mode = S_IRUGO,
 971        },
 972        .show = aac_show_monitor_version,
 973};
 974static struct device_attribute aac_bios_version = {
 975        .attr = {
 976                .name = "hba_bios_version",
 977                .mode = S_IRUGO,
 978        },
 979        .show = aac_show_bios_version,
 980};
 981static struct device_attribute aac_serial_number = {
 982        .attr = {
 983                .name = "serial_number",
 984                .mode = S_IRUGO,
 985        },
 986        .show = aac_show_serial_number,
 987};
 988static struct device_attribute aac_max_channel = {
 989        .attr = {
 990                .name = "max_channel",
 991                .mode = S_IRUGO,
 992        },
 993        .show = aac_show_max_channel,
 994};
 995static struct device_attribute aac_max_id = {
 996        .attr = {
 997                .name = "max_id",
 998                .mode = S_IRUGO,
 999        },
1000        .show = aac_show_max_id,
1001};
1002static struct device_attribute aac_reset = {
1003        .attr = {
1004                .name = "reset_host",
1005                .mode = S_IWUSR|S_IRUGO,
1006        },
1007        .store = aac_store_reset_adapter,
1008        .show = aac_show_reset_adapter,
1009};
1010
1011static struct device_attribute *aac_attrs[] = {
1012        &aac_model,
1013        &aac_vendor,
1014        &aac_flags,
1015        &aac_kernel_version,
1016        &aac_monitor_version,
1017        &aac_bios_version,
1018        &aac_serial_number,
1019        &aac_max_channel,
1020        &aac_max_id,
1021        &aac_reset,
1022        NULL
1023};
1024
1025ssize_t aac_get_serial_number(struct device *device, char *buf)
1026{
1027        return aac_show_serial_number(device, &aac_serial_number, buf);
1028}
1029
1030static const struct file_operations aac_cfg_fops = {
1031        .owner          = THIS_MODULE,
1032        .unlocked_ioctl = aac_cfg_ioctl,
1033#ifdef CONFIG_COMPAT
1034        .compat_ioctl   = aac_compat_cfg_ioctl,
1035#endif
1036        .open           = aac_cfg_open,
1037        .llseek         = noop_llseek,
1038};
1039
1040static struct scsi_host_template aac_driver_template = {
1041        .module                         = THIS_MODULE,
1042        .name                           = "AAC",
1043        .proc_name                      = AAC_DRIVERNAME,
1044        .info                           = aac_info,
1045        .ioctl                          = aac_ioctl,
1046#ifdef CONFIG_COMPAT
1047        .compat_ioctl                   = aac_compat_ioctl,
1048#endif
1049        .queuecommand                   = aac_queuecommand,
1050        .bios_param                     = aac_biosparm,
1051        .shost_attrs                    = aac_attrs,
1052        .slave_configure                = aac_slave_configure,
1053        .change_queue_depth             = aac_change_queue_depth,
1054        .sdev_attrs                     = aac_dev_attrs,
1055        .eh_abort_handler               = aac_eh_abort,
1056        .eh_host_reset_handler          = aac_eh_reset,
1057        .can_queue                      = AAC_NUM_IO_FIB,
1058        .this_id                        = MAXIMUM_NUM_CONTAINERS,
1059        .sg_tablesize                   = 16,
1060        .max_sectors                    = 128,
1061#if (AAC_NUM_IO_FIB > 256)
1062        .cmd_per_lun                    = 256,
1063#else
1064        .cmd_per_lun                    = AAC_NUM_IO_FIB,
1065#endif
1066        .use_clustering                 = ENABLE_CLUSTERING,
1067        .emulated                       = 1,
1068        .no_write_same                  = 1,
1069};
1070
1071static void __aac_shutdown(struct aac_dev * aac)
1072{
1073        int i;
1074        int cpu;
1075
1076        aac_send_shutdown(aac);
1077
1078        if (aac->aif_thread) {
1079                int i;
1080                /* Clear out events first */
1081                for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1082                        struct fib *fib = &aac->fibs[i];
1083                        if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1084                            (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1085                                up(&fib->event_wait);
1086                }
1087                kthread_stop(aac->thread);
1088        }
1089        aac_adapter_disable_int(aac);
1090        cpu = cpumask_first(cpu_online_mask);
1091        if (aac->pdev->device == PMC_DEVICE_S6 ||
1092            aac->pdev->device == PMC_DEVICE_S7 ||
1093            aac->pdev->device == PMC_DEVICE_S8 ||
1094            aac->pdev->device == PMC_DEVICE_S9) {
1095                if (aac->max_msix > 1) {
1096                        for (i = 0; i < aac->max_msix; i++) {
1097                                if (irq_set_affinity_hint(
1098                                    aac->msixentry[i].vector,
1099                                    NULL)) {
1100                                        printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
1101                                                aac->name,
1102                                                aac->id,
1103                                                cpu);
1104                                }
1105                                cpu = cpumask_next(cpu,
1106                                                cpu_online_mask);
1107                                free_irq(aac->msixentry[i].vector,
1108                                         &(aac->aac_msix[i]));
1109                        }
1110                } else {
1111                        free_irq(aac->pdev->irq,
1112                                 &(aac->aac_msix[0]));
1113                }
1114        } else {
1115                free_irq(aac->pdev->irq, aac);
1116        }
1117        if (aac->msi)
1118                pci_disable_msi(aac->pdev);
1119        else if (aac->max_msix > 1)
1120                pci_disable_msix(aac->pdev);
1121}
1122static void aac_init_char(void)
1123{
1124        aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1125        if (aac_cfg_major < 0) {
1126                pr_err("aacraid: unable to register \"aac\" device.\n");
1127        }
1128}
1129
1130static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1131{
1132        unsigned index = id->driver_data;
1133        struct Scsi_Host *shost;
1134        struct aac_dev *aac;
1135        struct list_head *insert = &aac_devices;
1136        int error = -ENODEV;
1137        int unique_id = 0;
1138        u64 dmamask;
1139        extern int aac_sync_mode;
1140
1141        /*
1142         * Only series 7 needs freset.
1143         */
1144         if (pdev->device == PMC_DEVICE_S7)
1145                pdev->needs_freset = 1;
1146
1147        list_for_each_entry(aac, &aac_devices, entry) {
1148                if (aac->id > unique_id)
1149                        break;
1150                insert = &aac->entry;
1151                unique_id++;
1152        }
1153
1154        pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1155                               PCIE_LINK_STATE_CLKPM);
1156
1157        error = pci_enable_device(pdev);
1158        if (error)
1159                goto out;
1160        error = -ENODEV;
1161
1162        /*
1163         * If the quirk31 bit is set, the adapter needs adapter
1164         * to driver communication memory to be allocated below 2gig
1165         */
1166        if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1167                dmamask = DMA_BIT_MASK(31);
1168        else
1169                dmamask = DMA_BIT_MASK(32);
1170
1171        if (pci_set_dma_mask(pdev, dmamask) ||
1172                        pci_set_consistent_dma_mask(pdev, dmamask))
1173                goto out_disable_pdev;
1174
1175        pci_set_master(pdev);
1176
1177        shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1178        if (!shost)
1179                goto out_disable_pdev;
1180
1181        shost->irq = pdev->irq;
1182        shost->unique_id = unique_id;
1183        shost->max_cmd_len = 16;
1184        shost->use_cmd_list = 1;
1185
1186        if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1187                aac_init_char();
1188
1189        aac = (struct aac_dev *)shost->hostdata;
1190        aac->base_start = pci_resource_start(pdev, 0);
1191        aac->scsi_host_ptr = shost;
1192        aac->pdev = pdev;
1193        aac->name = aac_driver_template.name;
1194        aac->id = shost->unique_id;
1195        aac->cardtype = index;
1196        INIT_LIST_HEAD(&aac->entry);
1197
1198        aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1199        if (!aac->fibs)
1200                goto out_free_host;
1201        spin_lock_init(&aac->fib_lock);
1202
1203        mutex_init(&aac->ioctl_mutex);
1204        /*
1205         *      Map in the registers from the adapter.
1206         */
1207        aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1208        if ((*aac_drivers[index].init)(aac))
1209                goto out_unmap;
1210
1211        if (aac->sync_mode) {
1212                if (aac_sync_mode)
1213                        printk(KERN_INFO "%s%d: Sync. mode enforced "
1214                                "by driver parameter. This will cause "
1215                                "a significant performance decrease!\n",
1216                                aac->name,
1217                                aac->id);
1218                else
1219                        printk(KERN_INFO "%s%d: Async. mode not supported "
1220                                "by current driver, sync. mode enforced."
1221                                "\nPlease update driver to get full performance.\n",
1222                                aac->name,
1223                                aac->id);
1224        }
1225
1226        /*
1227         *      Start any kernel threads needed
1228         */
1229        aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1230        if (IS_ERR(aac->thread)) {
1231                printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1232                error = PTR_ERR(aac->thread);
1233                aac->thread = NULL;
1234                goto out_deinit;
1235        }
1236
1237        /*
1238         * If we had set a smaller DMA mask earlier, set it to 4gig
1239         * now since the adapter can dma data to at least a 4gig
1240         * address space.
1241         */
1242        if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1243                if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1244                        goto out_deinit;
1245
1246        aac->maximum_num_channels = aac_drivers[index].channels;
1247        error = aac_get_adapter_info(aac);
1248        if (error < 0)
1249                goto out_deinit;
1250
1251        /*
1252         * Lets override negotiations and drop the maximum SG limit to 34
1253         */
1254        if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1255                        (shost->sg_tablesize > 34)) {
1256                shost->sg_tablesize = 34;
1257                shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1258        }
1259
1260        if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1261                        (shost->sg_tablesize > 17)) {
1262                shost->sg_tablesize = 17;
1263                shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1264        }
1265
1266        error = pci_set_dma_max_seg_size(pdev,
1267                (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1268                        (shost->max_sectors << 9) : 65536);
1269        if (error)
1270                goto out_deinit;
1271
1272        /*
1273         * Firmware printf works only with older firmware.
1274         */
1275        if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1276                aac->printf_enabled = 1;
1277        else
1278                aac->printf_enabled = 0;
1279
1280        /*
1281         * max channel will be the physical channels plus 1 virtual channel
1282         * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1283         * physical channels are address by their actual physical number+1
1284         */
1285        if (aac->nondasd_support || expose_physicals || aac->jbod)
1286                shost->max_channel = aac->maximum_num_channels;
1287        else
1288                shost->max_channel = 0;
1289
1290        aac_get_config_status(aac, 0);
1291        aac_get_containers(aac);
1292        list_add(&aac->entry, insert);
1293
1294        shost->max_id = aac->maximum_num_containers;
1295        if (shost->max_id < aac->maximum_num_physicals)
1296                shost->max_id = aac->maximum_num_physicals;
1297        if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1298                shost->max_id = MAXIMUM_NUM_CONTAINERS;
1299        else
1300                shost->this_id = shost->max_id;
1301
1302        if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1303                aac_intr_normal(aac, 0, 2, 0, NULL);
1304
1305        /*
1306         * dmb - we may need to move the setting of these parms somewhere else once
1307         * we get a fib that can report the actual numbers
1308         */
1309        shost->max_lun = AAC_MAX_LUN;
1310
1311        pci_set_drvdata(pdev, shost);
1312
1313        error = scsi_add_host(shost, &pdev->dev);
1314        if (error)
1315                goto out_deinit;
1316        scsi_scan_host(shost);
1317
1318        pci_enable_pcie_error_reporting(pdev);
1319        pci_save_state(pdev);
1320
1321        return 0;
1322
1323 out_deinit:
1324        __aac_shutdown(aac);
1325 out_unmap:
1326        aac_fib_map_free(aac);
1327        if (aac->comm_addr)
1328                pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1329                  aac->comm_phys);
1330        kfree(aac->queues);
1331        aac_adapter_ioremap(aac, 0);
1332        kfree(aac->fibs);
1333        kfree(aac->fsa_dev);
1334 out_free_host:
1335        scsi_host_put(shost);
1336 out_disable_pdev:
1337        pci_disable_device(pdev);
1338 out:
1339        return error;
1340}
1341
1342static void aac_release_resources(struct aac_dev *aac)
1343{
1344        int i;
1345
1346        aac_adapter_disable_int(aac);
1347        if (aac->pdev->device == PMC_DEVICE_S6 ||
1348            aac->pdev->device == PMC_DEVICE_S7 ||
1349            aac->pdev->device == PMC_DEVICE_S8 ||
1350            aac->pdev->device == PMC_DEVICE_S9) {
1351                if (aac->max_msix > 1) {
1352                        for (i = 0; i < aac->max_msix; i++)
1353                                free_irq(aac->msixentry[i].vector,
1354                                        &(aac->aac_msix[i]));
1355                } else {
1356                        free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
1357                }
1358        } else {
1359                free_irq(aac->pdev->irq, aac);
1360        }
1361        if (aac->msi)
1362                pci_disable_msi(aac->pdev);
1363        else if (aac->max_msix > 1)
1364                pci_disable_msix(aac->pdev);
1365
1366}
1367
1368static int aac_acquire_resources(struct aac_dev *dev)
1369{
1370        int i, j;
1371        int instance = dev->id;
1372        const char *name = dev->name;
1373        unsigned long status;
1374        /*
1375         *      First clear out all interrupts.  Then enable the one's that we
1376         *      can handle.
1377         */
1378        while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1379                || status == 0xffffffff)
1380                        msleep(20);
1381
1382        aac_adapter_disable_int(dev);
1383        aac_adapter_enable_int(dev);
1384
1385
1386        if ((dev->pdev->device == PMC_DEVICE_S7 ||
1387             dev->pdev->device == PMC_DEVICE_S8 ||
1388             dev->pdev->device == PMC_DEVICE_S9))
1389                aac_define_int_mode(dev);
1390
1391        if (dev->msi_enabled)
1392                aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1393
1394        if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
1395                for (i = 0; i < dev->max_msix; i++) {
1396                        dev->aac_msix[i].vector_no = i;
1397                        dev->aac_msix[i].dev = dev;
1398
1399                        if (request_irq(dev->msixentry[i].vector,
1400                                        dev->a_ops.adapter_intr,
1401                                        0, "aacraid", &(dev->aac_msix[i]))) {
1402                                printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
1403                                                name, instance, i);
1404                                for (j = 0 ; j < i ; j++)
1405                                        free_irq(dev->msixentry[j].vector,
1406                                                 &(dev->aac_msix[j]));
1407                                pci_disable_msix(dev->pdev);
1408                                goto error_iounmap;
1409                        }
1410                }
1411        } else {
1412                dev->aac_msix[0].vector_no = 0;
1413                dev->aac_msix[0].dev = dev;
1414
1415                if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
1416                        IRQF_SHARED, "aacraid",
1417                        &(dev->aac_msix[0])) < 0) {
1418                        if (dev->msi)
1419                                pci_disable_msi(dev->pdev);
1420                        printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
1421                                        name, instance);
1422                        goto error_iounmap;
1423                }
1424        }
1425
1426        aac_adapter_enable_int(dev);
1427
1428        /*max msix may change  after EEH
1429         * Re-assign vectors to fibs
1430         */
1431        aac_fib_vector_assign(dev);
1432
1433        if (!dev->sync_mode) {
1434                /* After EEH recovery or suspend resume, max_msix count
1435                 * may change, therfore updating in init as well.
1436                 */
1437                dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
1438                aac_adapter_start(dev);
1439        }
1440        return 0;
1441
1442error_iounmap:
1443        return -1;
1444
1445}
1446
1447#if (defined(CONFIG_PM))
1448static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1449{
1450
1451        struct Scsi_Host *shost = pci_get_drvdata(pdev);
1452        struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1453
1454        scsi_block_requests(shost);
1455        aac_send_shutdown(aac);
1456
1457        aac_release_resources(aac);
1458
1459        pci_set_drvdata(pdev, shost);
1460        pci_save_state(pdev);
1461        pci_disable_device(pdev);
1462        pci_set_power_state(pdev, pci_choose_state(pdev, state));
1463
1464        return 0;
1465}
1466
1467static int aac_resume(struct pci_dev *pdev)
1468{
1469        struct Scsi_Host *shost = pci_get_drvdata(pdev);
1470        struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1471        int r;
1472
1473        pci_set_power_state(pdev, PCI_D0);
1474        pci_enable_wake(pdev, PCI_D0, 0);
1475        pci_restore_state(pdev);
1476        r = pci_enable_device(pdev);
1477
1478        if (r)
1479                goto fail_device;
1480
1481        pci_set_master(pdev);
1482        if (aac_acquire_resources(aac))
1483                goto fail_device;
1484        /*
1485        * reset this flag to unblock ioctl() as it was set at
1486        * aac_send_shutdown() to block ioctls from upperlayer
1487        */
1488        aac->adapter_shutdown = 0;
1489        scsi_unblock_requests(shost);
1490
1491        return 0;
1492
1493fail_device:
1494        printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1495        scsi_host_put(shost);
1496        pci_disable_device(pdev);
1497        return -ENODEV;
1498}
1499#endif
1500
1501static void aac_shutdown(struct pci_dev *dev)
1502{
1503        struct Scsi_Host *shost = pci_get_drvdata(dev);
1504        scsi_block_requests(shost);
1505        __aac_shutdown((struct aac_dev *)shost->hostdata);
1506}
1507
1508static void aac_remove_one(struct pci_dev *pdev)
1509{
1510        struct Scsi_Host *shost = pci_get_drvdata(pdev);
1511        struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1512
1513        scsi_remove_host(shost);
1514
1515        __aac_shutdown(aac);
1516        aac_fib_map_free(aac);
1517        pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1518                        aac->comm_phys);
1519        kfree(aac->queues);
1520
1521        aac_adapter_ioremap(aac, 0);
1522
1523        kfree(aac->fibs);
1524        kfree(aac->fsa_dev);
1525
1526        list_del(&aac->entry);
1527        scsi_host_put(shost);
1528        pci_disable_device(pdev);
1529        if (list_empty(&aac_devices)) {
1530                unregister_chrdev(aac_cfg_major, "aac");
1531                aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1532        }
1533}
1534
1535static void aac_flush_ios(struct aac_dev *aac)
1536{
1537        int i;
1538        struct scsi_cmnd *cmd;
1539
1540        for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1541                cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1542                if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1543                        scsi_dma_unmap(cmd);
1544
1545                        if (aac->handle_pci_error)
1546                                cmd->result = DID_NO_CONNECT << 16;
1547                        else
1548                                cmd->result = DID_RESET << 16;
1549
1550                        cmd->scsi_done(cmd);
1551                }
1552        }
1553}
1554
1555static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1556                                        enum pci_channel_state error)
1557{
1558        struct Scsi_Host *shost = pci_get_drvdata(pdev);
1559        struct aac_dev *aac = shost_priv(shost);
1560
1561        dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1562
1563        switch (error) {
1564        case pci_channel_io_normal:
1565                return PCI_ERS_RESULT_CAN_RECOVER;
1566        case pci_channel_io_frozen:
1567                aac->handle_pci_error = 1;
1568
1569                scsi_block_requests(aac->scsi_host_ptr);
1570                aac_flush_ios(aac);
1571                aac_release_resources(aac);
1572
1573                pci_disable_pcie_error_reporting(pdev);
1574                aac_adapter_ioremap(aac, 0);
1575
1576                return PCI_ERS_RESULT_NEED_RESET;
1577        case pci_channel_io_perm_failure:
1578                aac->handle_pci_error = 1;
1579
1580                aac_flush_ios(aac);
1581                return PCI_ERS_RESULT_DISCONNECT;
1582        }
1583
1584        return PCI_ERS_RESULT_NEED_RESET;
1585}
1586
1587static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1588{
1589        dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1590        return PCI_ERS_RESULT_NEED_RESET;
1591}
1592
1593static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1594{
1595        dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1596        pci_restore_state(pdev);
1597        if (pci_enable_device(pdev)) {
1598                dev_warn(&pdev->dev,
1599                        "aacraid: failed to enable slave\n");
1600                goto fail_device;
1601        }
1602
1603        pci_set_master(pdev);
1604
1605        if (pci_enable_device_mem(pdev)) {
1606                dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1607                goto fail_device;
1608        }
1609
1610        return PCI_ERS_RESULT_RECOVERED;
1611
1612fail_device:
1613        dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1614        return PCI_ERS_RESULT_DISCONNECT;
1615}
1616
1617
1618static void aac_pci_resume(struct pci_dev *pdev)
1619{
1620        struct Scsi_Host *shost = pci_get_drvdata(pdev);
1621        struct scsi_device *sdev = NULL;
1622        struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1623
1624        pci_cleanup_aer_uncorrect_error_status(pdev);
1625
1626        if (aac_adapter_ioremap(aac, aac->base_size)) {
1627
1628                dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1629                /* remap failed, go back ... */
1630                aac->comm_interface = AAC_COMM_PRODUCER;
1631                if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1632                        dev_warn(&pdev->dev,
1633                                "aacraid: unable to map adapter.\n");
1634
1635                        return;
1636                }
1637        }
1638
1639        msleep(10000);
1640
1641        aac_acquire_resources(aac);
1642
1643        /*
1644         * reset this flag to unblock ioctl() as it was set
1645         * at aac_send_shutdown() to block ioctls from upperlayer
1646         */
1647        aac->adapter_shutdown = 0;
1648        aac->handle_pci_error = 0;
1649
1650        shost_for_each_device(sdev, shost)
1651                if (sdev->sdev_state == SDEV_OFFLINE)
1652                        sdev->sdev_state = SDEV_RUNNING;
1653        scsi_unblock_requests(aac->scsi_host_ptr);
1654        scsi_scan_host(aac->scsi_host_ptr);
1655        pci_save_state(pdev);
1656
1657        dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1658}
1659
1660static struct pci_error_handlers aac_pci_err_handler = {
1661        .error_detected         = aac_pci_error_detected,
1662        .mmio_enabled           = aac_pci_mmio_enabled,
1663        .slot_reset             = aac_pci_slot_reset,
1664        .resume                 = aac_pci_resume,
1665};
1666
1667static struct pci_driver aac_pci_driver = {
1668        .name           = AAC_DRIVERNAME,
1669        .id_table       = aac_pci_tbl,
1670        .probe          = aac_probe_one,
1671        .remove         = aac_remove_one,
1672#if (defined(CONFIG_PM))
1673        .suspend        = aac_suspend,
1674        .resume         = aac_resume,
1675#endif
1676        .shutdown       = aac_shutdown,
1677        .err_handler    = &aac_pci_err_handler,
1678};
1679
1680static int __init aac_init(void)
1681{
1682        int error;
1683
1684        printk(KERN_INFO "Adaptec %s driver %s\n",
1685          AAC_DRIVERNAME, aac_driver_version);
1686
1687        error = pci_register_driver(&aac_pci_driver);
1688        if (error < 0)
1689                return error;
1690
1691        aac_init_char();
1692
1693
1694        return 0;
1695}
1696
1697static void __exit aac_exit(void)
1698{
1699        if (aac_cfg_major > -1)
1700                unregister_chrdev(aac_cfg_major, "aac");
1701        pci_unregister_driver(&aac_pci_driver);
1702}
1703
1704module_init(aac_init);
1705module_exit(aac_exit);
1706