drivers/scsi/aacraid/linit.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc.
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2010 Adaptec, Inc.
   9  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10  *               2016-2017 Microsemi Corp. (aacraid@microsemi.com)
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2, or (at your option)
  15  * any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; see the file COPYING.  If not, write to
  24  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  25  *
  26  * Module Name:
  27  *   linit.c
  28  *
  29  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  30  */
  31
  32
  33 #include <linux/compat.h>
  34 #include <linux/blkdev.h>
  35 #include <linux/completion.h>
  36 #include <linux/init.h>
  37 #include <linux/interrupt.h>
  38 #include <linux/kernel.h>
  39 #include <linux/module.h>
  40 #include <linux/moduleparam.h>
  41 #include <linux/pci.h>
  42 #include <linux/aer.h>
  43 #include <linux/pci-aspm.h>
  44 #include <linux/slab.h>
  45 #include <linux/mutex.h>
  46 #include <linux/spinlock.h>
  47 #include <linux/syscalls.h>
  48 #include <linux/delay.h>
  49 #include <linux/kthread.h>
  50
  51 #include <scsi/scsi.h>
  52 #include <scsi/scsi_cmnd.h>
  53 #include <scsi/scsi_device.h>
  54 #include <scsi/scsi_host.h>
  55 #include <scsi/scsi_tcq.h>
  56 #include <scsi/scsicam.h>
  57 #include <scsi/scsi_eh.h>
  58
  59 #include "aacraid.h"
  60
  61 #define AAC_DRIVER_VERSION              "1.2.1"
  62 #ifndef AAC_DRIVER_BRANCH
  63 #define AAC_DRIVER_BRANCH               ""
  64 #endif
  65 #define AAC_DRIVERNAME                  "aacraid"
  66
  67 #ifdef AAC_DRIVER_BUILD
  68 #define _str(x) #x
  69 #define str(x) _str(x)
  70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  71 #else
  72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  73 #endif
  74
  75 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  76 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  77                    "Adaptec Advanced Raid Products, "
  78                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  79 MODULE_LICENSE("GPL");
  80 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  81
  82 static DEFINE_MUTEX(aac_mutex);
  83 static LIST_HEAD(aac_devices);
  84 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  85 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  86
  87 /*
  88  * Because of the way Linux names scsi devices, the order in this table has
  89  * become important.  Check for on-board Raid first, add-in cards second.
  90  *
  91  * Note: The last field is used to index into aac_drivers below.
  92  */
  93 static const struct pci_device_id aac_pci_tbl[] = {
  94         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  95         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  96         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  97         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  98         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  99         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 100         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 101         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 102         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 103         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 104         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 105         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 106         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 107         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 108         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 109         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 110
 111         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 112         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 113         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 114         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 115         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 116         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 117         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 118         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 119         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 120         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 121         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 122         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 123         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 124         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 125         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 126         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 127         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 128         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 129         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 130         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 131         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 132         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 133         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 134         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 135         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 136         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 137         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 138         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 139         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 140         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 141         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 142         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 143         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 144         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 145         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 146         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 147         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 148         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 149
 150         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 151         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 152         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 153         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 154         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 155
 156         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 157         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 158         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 159         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 160         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 161         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 162         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 163         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 164         { 0,}
 165 };
 166 MODULE_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  */
 173 static 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 };
 243
 244 /**
 245  *      aac_queuecommand        -       queue a SCSI command
 246  *      @cmd:           SCSI command to queue
 247  *      @done:          Function to call on command completion
 248  *
 249  *      Queues a command for execution by the associated Host Adapter.
 250  *
 251  *      TODO: unify with aac_scsi_cmd().
 252  */
 253
 254 static int aac_queuecommand(struct Scsi_Host *shost,
 255                             struct scsi_cmnd *cmd)
 256 {
 257         int r = 0;
 258         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 259         r = (aac_scsi_cmd(cmd) ? FAILED : 0);
 260         return r;
 261 }
 262
 263 /**
 264  *      aac_info                -       Returns the host adapter name
 265  *      @shost:         Scsi host to report on
 266  *
 267  *      Returns a static string describing the device in question
 268  */
 269
 270 static const char *aac_info(struct Scsi_Host *shost)
 271 {
 272         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 273         return aac_drivers[dev->cardtype].name;
 274 }
 275
 276 /**
 277  *      aac_get_driver_ident
 278  *      @devtype: index into lookup table
 279  *
 280  *      Returns a pointer to the entry in the driver lookup table.
 281  */
 282
 283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 284 {
 285         return &aac_drivers[devtype];
 286 }
 287
 288 /**
 289  *      aac_biosparm    -       return BIOS parameters for disk
 290  *      @sdev: The scsi device corresponding to the disk
 291  *      @bdev: the block device corresponding to the disk
 292  *      @capacity: the sector capacity of the disk
 293  *      @geom: geometry block to fill in
 294  *
 295  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 296  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 297  *      number of cylinders so as not to exceed drive capacity.  In order for
 298  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 299  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 300  *      Translation should be enabled.   With Extended Translation enabled,
 301  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 302  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 303  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 304  *      the BIOS detects that the Extended Translation setting does not match
 305  *      the geometry in the partition table, then the translation inferred
 306  *      from the partition table will be used by the BIOS, and a warning may
 307  *      be displayed.
 308  */
 309
 310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 311                         sector_t capacity, int *geom)
 312 {
 313         struct diskparm *param = (struct diskparm *)geom;
 314         unsigned char *buf;
 315
 316         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 317
 318         /*
 319          *      Assuming extended translation is enabled - #REVISIT#
 320          */
 321         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 322                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 323                         param->heads = 255;
 324                         param->sectors = 63;
 325                 } else {
 326                         param->heads = 128;
 327                         param->sectors = 32;
 328                 }
 329         } else {
 330                 param->heads = 64;
 331                 param->sectors = 32;
 332         }
 333
 334         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 335
 336         /*
 337          *      Read the first 1024 bytes from the disk device, if the boot
 338          *      sector partition table is valid, search for a partition table
 339          *      entry whose end_head matches one of the standard geometry
 340          *      translations ( 64/32, 128/32, 255/63 ).
 341          */
 342         buf = scsi_bios_ptable(bdev);
 343         if (!buf)
 344                 return 0;
 345         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 346                 struct partition *first = (struct partition * )buf;
 347                 struct partition *entry = first;
 348                 int saved_cylinders = param->cylinders;
 349                 int num;
 350                 unsigned char end_head, end_sec;
 351
 352                 for(num = 0; num < 4; num++) {
 353                         end_head = entry->end_head;
 354                         end_sec = entry->end_sector & 0x3f;
 355
 356                         if(end_head == 63) {
 357                                 param->heads = 64;
 358                                 param->sectors = 32;
 359                                 break;
 360                         } else if(end_head == 127) {
 361                                 param->heads = 128;
 362                                 param->sectors = 32;
 363                                 break;
 364                         } else if(end_head == 254) {
 365                                 param->heads = 255;
 366                                 param->sectors = 63;
 367                                 break;
 368                         }
 369                         entry++;
 370                 }
 371
 372                 if (num == 4) {
 373                         end_head = first->end_head;
 374                         end_sec = first->end_sector & 0x3f;
 375                 }
 376
 377                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 378                 if (num < 4 && end_sec == param->sectors) {
 379                         if (param->cylinders != saved_cylinders)
 380                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 381                                         param->heads, param->sectors, num));
 382                 } else if (end_head > 0 || end_sec > 0) {
 383                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 384                                 end_head + 1, end_sec, num));
 385                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 386                                         param->heads, param->sectors));
 387                 }
 388         }
 389         kfree(buf);
 390         return 0;
 391 }
 392
 393 /**
 394  *      aac_slave_configure             -       compute queue depths
 395  *      @sdev:  SCSI device we are considering
 396  *
 397  *      Selects queue depths for each target device based on the host adapter's
 398  *      total capacity and the queue depth supported by the target device.
 399  *      A queue depth of one automatically disables tagged queueing.
 400  */
 401
 402 static int aac_slave_configure(struct scsi_device *sdev)
 403 {
 404         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 405         int chn, tid;
 406         unsigned int depth = 0;
 407         unsigned int set_timeout = 0;
 408         bool set_qd_dev_type = false;
 409         u8 devtype = 0;
 410
 411         chn = aac_logical_to_phys(sdev_channel(sdev));
 412         tid = sdev_id(sdev);
 413         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 414                 devtype = aac->hba_map[chn][tid].devtype;
 415
 416                 if (devtype == AAC_DEVTYPE_NATIVE_RAW)
 417                         depth = aac->hba_map[chn][tid].qd_limit;
 418                 else if (devtype == AAC_DEVTYPE_ARC_RAW)
 419                         set_qd_dev_type = true;
 420
 421                 set_timeout = 1;
 422                 goto common_config;
 423         }
 424
 425         if (aac->jbod && (sdev->type == TYPE_DISK))
 426                 sdev->removable = 1;
 427
 428         if (sdev->type == TYPE_DISK
 429          && sdev_channel(sdev) != CONTAINER_CHANNEL
 430          && (!aac->jbod || sdev->inq_periph_qual)
 431          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 432
 433                 if (expose_physicals == 0)
 434                         return -ENXIO;
 435
 436                 if (expose_physicals < 0)
 437                         sdev->no_uld_attach = 1;
 438         }
 439
 440         if (sdev->tagged_supported
 441          &&  sdev->type == TYPE_DISK
 442          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 443          && !sdev->no_uld_attach) {
 444
 445                 struct scsi_device * dev;
 446                 struct Scsi_Host *host = sdev->host;
 447                 unsigned num_lsu = 0;
 448                 unsigned num_one = 0;
 449                 unsigned cid;
 450
 451                 set_timeout = 1;
 452
 453                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 454                         if (aac->fsa_dev[cid].valid)
 455                                 ++num_lsu;
 456
 457                 __shost_for_each_device(dev, host) {
 458                         if (dev->tagged_supported
 459                          && dev->type == TYPE_DISK
 460                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 461                          && !dev->no_uld_attach) {
 462                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 463                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 464                                         ++num_lsu;
 465                                 }
 466                         } else {
 467                                 ++num_one;
 468                         }
 469                 }
 470
 471                 if (num_lsu == 0)
 472                         ++num_lsu;
 473
 474                 depth = (host->can_queue - num_one) / num_lsu;
 475
 476                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 477                         goto common_config;
 478
 479                 set_qd_dev_type = true;
 480
 481         }
 482
 483 common_config:
 484
 485         /*
 486          * Check if SATA drive
 487          */
 488         if (set_qd_dev_type) {
 489                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 490                         depth = 32;
 491                 else
 492                         depth = 64;
 493         }
 494
 495         /*
 496          * Firmware has an individual device recovery time typically
 497          * of 35 seconds, give us a margin.
 498          */
 499         if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
 500                 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 501
 502         if (depth > 256)
 503                 depth = 256;
 504         else if (depth < 1)
 505                 depth = 1;
 506
 507         scsi_change_queue_depth(sdev, depth);
 508
 509         sdev->tagged_supported = 1;
 510
 511         return 0;
 512 }
 513
 514 /**
 515  *      aac_change_queue_depth          -       alter queue depths
 516  *      @sdev:  SCSI device we are considering
 517  *      @depth: desired queue depth
 518  *
 519  *      Alters queue depths for target device based on the host adapter's
 520  *      total capacity and the queue depth supported by the target device.
 521  */
 522
 523 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 524 {
 525         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 526         int chn, tid, is_native_device = 0;
 527
 528         chn = aac_logical_to_phys(sdev_channel(sdev));
 529         tid = sdev_id(sdev);
 530         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 531                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 532                 is_native_device = 1;
 533
 534         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 535             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 536                 struct scsi_device * dev;
 537                 struct Scsi_Host *host = sdev->host;
 538                 unsigned num = 0;
 539
 540                 __shost_for_each_device(dev, host) {
 541                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 542                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 543                                 ++num;
 544                         ++num;
 545                 }
 546                 if (num >= host->can_queue)
 547                         num = host->can_queue - 1;
 548                 if (depth > (host->can_queue - num))
 549                         depth = host->can_queue - num;
 550                 if (depth > 256)
 551                         depth = 256;
 552                 else if (depth < 2)
 553                         depth = 2;
 554                 return scsi_change_queue_depth(sdev, depth);
 555         } else if (is_native_device) {
 556                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 557         } else {
 558                 scsi_change_queue_depth(sdev, 1);
 559         }
 560         return sdev->queue_depth;
 561 }
 562
 563 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 564 {
 565         struct scsi_device *sdev = to_scsi_device(dev);
 566         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 567         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 568                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 569                   ? "Hidden\n" :
 570                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 571         return snprintf(buf, PAGE_SIZE, "%s\n",
 572           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 573 }
 574
 575 static struct device_attribute aac_raid_level_attr = {
 576         .attr = {
 577                 .name = "level",
 578                 .mode = S_IRUGO,
 579         },
 580         .show = aac_show_raid_level
 581 };
 582
 583 static ssize_t aac_show_unique_id(struct device *dev,
 584              struct device_attribute *attr, char *buf)
 585 {
 586         struct scsi_device *sdev = to_scsi_device(dev);
 587         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 588         unsigned char sn[16];
 589
 590         memset(sn, 0, sizeof(sn));
 591
 592         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 593                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 594
 595         return snprintf(buf, 16 * 2 + 2,
 596                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 597                 sn[0], sn[1], sn[2], sn[3],
 598                 sn[4], sn[5], sn[6], sn[7],
 599                 sn[8], sn[9], sn[10], sn[11],
 600                 sn[12], sn[13], sn[14], sn[15]);
 601 }
 602
 603 static struct device_attribute aac_unique_id_attr = {
 604         .attr = {
 605                 .name = "unique_id",
 606                 .mode = 0444,
 607         },
 608         .show = aac_show_unique_id
 609 };
 610
 611
 612
 613 static struct device_attribute *aac_dev_attrs[] = {
 614         &aac_raid_level_attr,
 615         &aac_unique_id_attr,
 616         NULL,
 617 };
 618
 619 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 620 {
 621         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 622         if (!capable(CAP_SYS_RAWIO))
 623                 return -EPERM;
 624         return aac_do_ioctl(dev, cmd, arg);
 625 }
 626
 627 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 628 {
 629
 630         unsigned long flags;
 631         struct scsi_device *sdev = NULL;
 632         struct Scsi_Host *shost = aac->scsi_host_ptr;
 633         struct scsi_cmnd *scmnd = NULL;
 634         struct device *ctrl_dev;
 635
 636         int mlcnt  = 0;
 637         int llcnt  = 0;
 638         int ehcnt  = 0;
 639         int fwcnt  = 0;
 640         int krlcnt = 0;
 641
 642         __shost_for_each_device(sdev, shost) {
 643                 spin_lock_irqsave(&sdev->list_lock, flags);
 644                 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
 645                         switch (scmnd->SCp.phase) {
 646                         case AAC_OWNER_FIRMWARE:
 647                                 fwcnt++;
 648                                 break;
 649                         case AAC_OWNER_ERROR_HANDLER:
 650                                 ehcnt++;
 651                                 break;
 652                         case AAC_OWNER_LOWLEVEL:
 653                                 llcnt++;
 654                                 break;
 655                         case AAC_OWNER_MIDLEVEL:
 656                                 mlcnt++;
 657                                 break;
 658                         default:
 659                                 krlcnt++;
 660                                 break;
 661                         }
 662                 }
 663                 spin_unlock_irqrestore(&sdev->list_lock, flags);
 664         }
 665
 666         ctrl_dev = &aac->pdev->dev;
 667
 668         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
 669         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
 670         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
 671         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
 672         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
 673
 674         return mlcnt + llcnt + ehcnt + fwcnt;
 675 }
 676
 677 static int aac_eh_abort(struct scsi_cmnd* cmd)
 678 {
 679         struct scsi_device * dev = cmd->device;
 680         struct Scsi_Host * host = dev->host;
 681         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 682         int count, found;
 683         u32 bus, cid;
 684         int ret = FAILED;
 685
 686         if (aac_adapter_check_health(aac))
 687                 return ret;
 688
 689         bus = aac_logical_to_phys(scmd_channel(cmd));
 690         cid = scmd_id(cmd);
 691         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 692                 struct fib *fib;
 693                 struct aac_hba_tm_req *tmf;
 694                 int status;
 695                 u64 address;
 696
 697                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 698                  AAC_DRIVERNAME,
 699                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 700
 701                 found = 0;
 702                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 703                         fib = &aac->fibs[count];
 704                         if (*(u8 *)fib->hw_fib_va != 0 &&
 705                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 706                                 (fib->callback_data == cmd)) {
 707                                 found = 1;
 708                                 break;
 709                         }
 710                 }
 711                 if (!found)
 712                         return ret;
 713
 714                 /* start a HBA_TMF_ABORT_TASK TMF request */
 715                 fib = aac_fib_alloc(aac);
 716                 if (!fib)
 717                         return ret;
 718
 719                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 720                 memset(tmf, 0, sizeof(*tmf));
 721                 tmf->tmf = HBA_TMF_ABORT_TASK;
 722                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 723                 tmf->lun[1] = cmd->device->lun;
 724
 725                 address = (u64)fib->hw_error_pa;
 726                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 727                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 728                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 729
 730                 fib->hbacmd_size = sizeof(*tmf);
 731                 cmd->SCp.sent_command = 0;
 732
 733                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 734                                   (fib_callback) aac_hba_callback,
 735                                   (void *) cmd);
 736
 737                 /* Wait up to 15 secs for completion */
 738                 for (count = 0; count < 15; ++count) {
 739                         if (cmd->SCp.sent_command) {
 740                                 ret = SUCCESS;
 741                                 break;
 742                         }
 743                         msleep(1000);
 744                 }
 745
 746                 if (ret != SUCCESS)
 747                         pr_err("%s: Host adapter abort request timed out\n",
 748                         AAC_DRIVERNAME);
 749         } else {
 750                 pr_err(
 751                         "%s: Host adapter abort request.\n"
 752                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 753                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 754                         host->host_no, sdev_channel(dev), sdev_id(dev),
 755                         (int)dev->lun);
 756                 switch (cmd->cmnd[0]) {
 757                 case SERVICE_ACTION_IN_16:
 758                         if (!(aac->raw_io_interface) ||
 759                             !(aac->raw_io_64) ||
 760                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 761                                 break;
 762                 case INQUIRY:
 763                 case READ_CAPACITY:
 764                         /*
 765                          * Mark associated FIB to not complete,
 766                          * eh handler does this
 767                          */
 768                         for (count = 0;
 769                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 770                                 ++count) {
 771                                 struct fib *fib = &aac->fibs[count];
 772
 773                                 if (fib->hw_fib_va->header.XferState &&
 774                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 775                                 (fib->callback_data == cmd)) {
 776                                         fib->flags |=
 777                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 778                                         cmd->SCp.phase =
 779                                                 AAC_OWNER_ERROR_HANDLER;
 780                                         ret = SUCCESS;
 781                                 }
 782                         }
 783                         break;
 784                 case TEST_UNIT_READY:
 785                         /*
 786                          * Mark associated FIB to not complete,
 787                          * eh handler does this
 788                          */
 789                         for (count = 0;
 790                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 791                                 ++count) {
 792                                 struct scsi_cmnd *command;
 793                                 struct fib *fib = &aac->fibs[count];
 794
 795                                 command = fib->callback_data;
 796
 797                                 if ((fib->hw_fib_va->header.XferState &
 798                                         cpu_to_le32
 799                                         (Async | NoResponseExpected)) &&
 800                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 801                                         ((command)) &&
 802                                         (command->device == cmd->device)) {
 803                                         fib->flags |=
 804                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 805                                         command->SCp.phase =
 806                                                 AAC_OWNER_ERROR_HANDLER;
 807                                         if (command == cmd)
 808                                                 ret = SUCCESS;
 809                                 }
 810                         }
 811                         break;
 812                 }
 813         }
 814         return ret;
 815 }
 816
 817 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 818                                    struct fib *fib, u64 tmf_lun)
 819 {
 820         struct aac_hba_tm_req *tmf;
 821         u64 address;
 822
 823         /* start a HBA_TMF_LUN_RESET TMF request */
 824         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 825         memset(tmf, 0, sizeof(*tmf));
 826         tmf->tmf = HBA_TMF_LUN_RESET;
 827         tmf->it_nexus = info->rmw_nexus;
 828         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 829
 830         address = (u64)fib->hw_error_pa;
 831         tmf->error_ptr_hi = cpu_to_le32
 832                 ((u32)(address >> 32));
 833         tmf->error_ptr_lo = cpu_to_le32
 834                 ((u32)(address & 0xffffffff));
 835         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 836         fib->hbacmd_size = sizeof(*tmf);
 837
 838         return HBA_IU_TYPE_SCSI_TM_REQ;
 839 }
 840
 841 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 842                                     struct fib *fib)
 843 {
 844         struct aac_hba_reset_req *rst;
 845         u64 address;
 846
 847         /* already tried, start a hard reset now */
 848         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 849         memset(rst, 0, sizeof(*rst));
 850         rst->it_nexus = info->rmw_nexus;
 851
 852         address = (u64)fib->hw_error_pa;
 853         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 854         rst->error_ptr_lo = cpu_to_le32
 855                 ((u32)(address & 0xffffffff));
 856         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 857         fib->hbacmd_size = sizeof(*rst);
 858
 859        return HBA_IU_TYPE_SATA_REQ;
 860 }
 861
 862 void aac_tmf_callback(void *context, struct fib *fibptr)
 863 {
 864         struct aac_hba_resp *err =
 865                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 866         struct aac_hba_map_info *info = context;
 867         int res;
 868
 869         switch (err->service_response) {
 870         case HBA_RESP_SVCRES_TMF_REJECTED:
 871                 res = -1;
 872                 break;
 873         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 874                 res = 0;
 875                 break;
 876         case HBA_RESP_SVCRES_TMF_COMPLETE:
 877         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 878                 res = 0;
 879                 break;
 880         default:
 881                 res = -2;
 882                 break;
 883         }
 884         aac_fib_complete(fibptr);
 885
 886         info->reset_state = res;
 887 }
 888
 889 /*
 890  *      aac_eh_dev_reset        - Device reset command handling
 891  *      @scsi_cmd:      SCSI command block causing the reset
 892  *
 893  */
 894 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 895 {
 896         struct scsi_device * dev = cmd->device;
 897         struct Scsi_Host * host = dev->host;
 898         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 899         struct aac_hba_map_info *info;
 900         int count;
 901         u32 bus, cid;
 902         struct fib *fib;
 903         int ret = FAILED;
 904         int status;
 905         u8 command;
 906
 907         bus = aac_logical_to_phys(scmd_channel(cmd));
 908         cid = scmd_id(cmd);
 909
 910         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 911                 return FAILED;
 912
 913         info = &aac->hba_map[bus][cid];
 914
 915         if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
 916             info->reset_state > 0)
 917                 return FAILED;
 918
 919         pr_err("%s: Host adapter reset request. SCSI hang ?\n",
 920                AAC_DRIVERNAME);
 921
 922         fib = aac_fib_alloc(aac);
 923         if (!fib)
 924                 return ret;
 925
 926         /* start a HBA_TMF_LUN_RESET TMF request */
 927         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 928
 929         info->reset_state = 1;
 930
 931         status = aac_hba_send(command, fib,
 932                               (fib_callback) aac_tmf_callback,
 933                               (void *) info);
 934
 935         /* Wait up to 15 seconds for completion */
 936         for (count = 0; count < 15; ++count) {
 937                 if (info->reset_state == 0) {
 938                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 939                         break;
 940                 }
 941                 msleep(1000);
 942         }
 943
 944         return ret;
 945 }
 946
 947 /*
 948  *      aac_eh_target_reset     - Target reset command handling
 949  *      @scsi_cmd:      SCSI command block causing the reset
 950  *
 951  */
 952 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 953 {
 954         struct scsi_device * dev = cmd->device;
 955         struct Scsi_Host * host = dev->host;
 956         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 957         struct aac_hba_map_info *info;
 958         int count;
 959         u32 bus, cid;
 960         int ret = FAILED;
 961         struct fib *fib;
 962         int status;
 963         u8 command;
 964
 965         bus = aac_logical_to_phys(scmd_channel(cmd));
 966         cid = scmd_id(cmd);
 967
 968         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 969                 return FAILED;
 970
 971         info = &aac->hba_map[bus][cid];
 972
 973         if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
 974             info->reset_state > 0)
 975                 return FAILED;
 976
 977         pr_err("%s: Host adapter reset request. SCSI hang ?\n",
 978                AAC_DRIVERNAME);
 979
 980         fib = aac_fib_alloc(aac);
 981         if (!fib)
 982                 return ret;
 983
 984
 985         /* already tried, start a hard reset now */
 986         command = aac_eh_tmf_hard_reset_fib(info, fib);
 987
 988         info->reset_state = 2;
 989
 990         status = aac_hba_send(command, fib,
 991                               (fib_callback) aac_tmf_callback,
 992                               (void *) info);
 993
 994         /* Wait up to 15 seconds for completion */
 995         for (count = 0; count < 15; ++count) {
 996                 if (info->reset_state <= 0) {
 997                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 998                         break;
 999                 }
1000                 msleep(1000);
1001         }
1002
1003         return ret;
1004 }
1005
1006 /*
1007  *      aac_eh_bus_reset        - Bus reset command handling
1008  *      @scsi_cmd:      SCSI command block causing the reset
1009  *
1010  */
1011 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1012 {
1013         struct scsi_device * dev = cmd->device;
1014         struct Scsi_Host * host = dev->host;
1015         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1016         int count;
1017         u32 cmd_bus;
1018         int status = 0;
1019
1020
1021         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1022         /* Mark the assoc. FIB to not complete, eh handler does this */
1023         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1024                 struct fib *fib = &aac->fibs[count];
1025
1026                 if (fib->hw_fib_va->header.XferState &&
1027                     (fib->flags & FIB_CONTEXT_FLAG) &&
1028                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1029                         struct aac_hba_map_info *info;
1030                         u32 bus, cid;
1031
1032                         cmd = (struct scsi_cmnd *)fib->callback_data;
1033                         bus = aac_logical_to_phys(scmd_channel(cmd));
1034                         if (bus != cmd_bus)
1035                                 continue;
1036                         cid = scmd_id(cmd);
1037                         info = &aac->hba_map[bus][cid];
1038                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1039                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1040                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1041                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1042                         }
1043                 }
1044         }
1045
1046         pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1047
1048         /*
1049          * Check the health of the controller
1050          */
1051         status = aac_adapter_check_health(aac);
1052         if (status)
1053                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1054
1055         count = get_num_of_incomplete_fibs(aac);
1056         return (count == 0) ? SUCCESS : FAILED;
1057 }
1058
1059 /*
1060  *      aac_eh_host_reset       - Host reset command handling
1061  *      @scsi_cmd:      SCSI command block causing the reset
1062  *
1063  */
1064 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1065 {
1066         struct scsi_device * dev = cmd->device;
1067         struct Scsi_Host * host = dev->host;
1068         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1069         int ret = FAILED;
1070         __le32 supported_options2 = 0;
1071         bool is_mu_reset;
1072         bool is_ignore_reset;
1073         bool is_doorbell_reset;
1074
1075         /*
1076          * Check if reset is supported by the firmware
1077          */
1078         supported_options2 = aac->supplement_adapter_info.supported_options2;
1079         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1080         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1081         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1082         /*
1083          * This adapter needs a blind reset, only do so for
1084          * Adapters that support a register, instead of a commanded,
1085          * reset.
1086          */
1087         if ((is_mu_reset || is_doorbell_reset)
1088          && aac_check_reset
1089          && (aac_check_reset != -1 || !is_ignore_reset)) {
1090                 /* Bypass wait for command quiesce */
1091                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1092                         ret = SUCCESS;
1093         }
1094         /*
1095          * Reset EH state
1096          */
1097         if (ret == SUCCESS) {
1098                 int bus, cid;
1099                 struct aac_hba_map_info *info;
1100
1101                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1102                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1103                                 info = &aac->hba_map[bus][cid];
1104                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1105                                         info->reset_state = 0;
1106                         }
1107                 }
1108         }
1109         return ret;
1110 }
1111
1112 /**
1113  *      aac_cfg_open            -       open a configuration file
1114  *      @inode: inode being opened
1115  *      @file: file handle attached
1116  *
1117  *      Called when the configuration device is opened. Does the needed
1118  *      set up on the handle and then returns
1119  *
1120  *      Bugs: This needs extending to check a given adapter is present
1121  *      so we can support hot plugging, and to ref count adapters.
1122  */
1123
1124 static int aac_cfg_open(struct inode *inode, struct file *file)
1125 {
1126         struct aac_dev *aac;
1127         unsigned minor_number = iminor(inode);
1128         int err = -ENODEV;
1129
1130         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1131         list_for_each_entry(aac, &aac_devices, entry) {
1132                 if (aac->id == minor_number) {
1133                         file->private_data = aac;
1134                         err = 0;
1135                         break;
1136                 }
1137         }
1138         mutex_unlock(&aac_mutex);
1139
1140         return err;
1141 }
1142
1143 /**
1144  *      aac_cfg_ioctl           -       AAC configuration request
1145  *      @inode: inode of device
1146  *      @file: file handle
1147  *      @cmd: ioctl command code
1148  *      @arg: argument
1149  *
1150  *      Handles a configuration ioctl. Currently this involves wrapping it
1151  *      up and feeding it into the nasty windowsalike glue layer.
1152  *
1153  *      Bugs: Needs locking against parallel ioctls lower down
1154  *      Bugs: Needs to handle hot plugging
1155  */
1156
1157 static long aac_cfg_ioctl(struct file *file,
1158                 unsigned int cmd, unsigned long arg)
1159 {
1160         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1161
1162         if (!capable(CAP_SYS_RAWIO))
1163                 return -EPERM;
1164
1165         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1166 }
1167
1168 #ifdef CONFIG_COMPAT
1169 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1170 {
1171         long ret;
1172         switch (cmd) {
1173         case FSACTL_MINIPORT_REV_CHECK:
1174         case FSACTL_SENDFIB:
1175         case FSACTL_OPEN_GET_ADAPTER_FIB:
1176         case FSACTL_CLOSE_GET_ADAPTER_FIB:
1177         case FSACTL_SEND_RAW_SRB:
1178         case FSACTL_GET_PCI_INFO:
1179         case FSACTL_QUERY_DISK:
1180         case FSACTL_DELETE_DISK:
1181         case FSACTL_FORCE_DELETE_DISK:
1182         case FSACTL_GET_CONTAINERS:
1183         case FSACTL_SEND_LARGE_FIB:
1184                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1185                 break;
1186
1187         case FSACTL_GET_NEXT_ADAPTER_FIB: {
1188                 struct fib_ioctl __user *f;
1189
1190                 f = compat_alloc_user_space(sizeof(*f));
1191                 ret = 0;
1192                 if (clear_user(f, sizeof(*f)))
1193                         ret = -EFAULT;
1194                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1195                         ret = -EFAULT;
1196                 if (!ret)
1197                         ret = aac_do_ioctl(dev, cmd, f);
1198                 break;
1199         }
1200
1201         default:
1202                 ret = -ENOIOCTLCMD;
1203                 break;
1204         }
1205         return ret;
1206 }
1207
1208 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1209 {
1210         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1211         if (!capable(CAP_SYS_RAWIO))
1212                 return -EPERM;
1213         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1214 }
1215
1216 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1217 {
1218         if (!capable(CAP_SYS_RAWIO))
1219                 return -EPERM;
1220         return aac_compat_do_ioctl(file->private_data, cmd, arg);
1221 }
1222 #endif
1223
1224 static ssize_t aac_show_model(struct device *device,
1225                               struct device_attribute *attr, char *buf)
1226 {
1227         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1228         int len;
1229
1230         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1231                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1232                 while (*cp && *cp != ' ')
1233                         ++cp;
1234                 while (*cp == ' ')
1235                         ++cp;
1236                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1237         } else
1238                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1239                   aac_drivers[dev->cardtype].model);
1240         return len;
1241 }
1242
1243 static ssize_t aac_show_vendor(struct device *device,
1244                                struct device_attribute *attr, char *buf)
1245 {
1246         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1247         struct aac_supplement_adapter_info *sup_adap_info;
1248         int len;
1249
1250         sup_adap_info = &dev->supplement_adapter_info;
1251         if (sup_adap_info->adapter_type_text[0]) {
1252                 char *cp = sup_adap_info->adapter_type_text;
1253                 while (*cp && *cp != ' ')
1254                         ++cp;
1255                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1256                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1257                                         sup_adap_info->adapter_type_text);
1258         } else
1259                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1260                         aac_drivers[dev->cardtype].vname);
1261         return len;
1262 }
1263
1264 static ssize_t aac_show_flags(struct device *cdev,
1265                               struct device_attribute *attr, char *buf)
1266 {
1267         int len = 0;
1268         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1269
1270         if (nblank(dprintk(x)))
1271                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1272 #ifdef AAC_DETAILED_STATUS_INFO
1273         len += snprintf(buf + len, PAGE_SIZE - len,
1274                         "AAC_DETAILED_STATUS_INFO\n");
1275 #endif
1276         if (dev->raw_io_interface && dev->raw_io_64)
1277                 len += snprintf(buf + len, PAGE_SIZE - len,
1278                                 "SAI_READ_CAPACITY_16\n");
1279         if (dev->jbod)
1280                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1281         if (dev->supplement_adapter_info.supported_options2 &
1282                 AAC_OPTION_POWER_MANAGEMENT)
1283                 len += snprintf(buf + len, PAGE_SIZE - len,
1284                                 "SUPPORTED_POWER_MANAGEMENT\n");
1285         if (dev->msi)
1286                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1287         return len;
1288 }
1289
1290 static ssize_t aac_show_kernel_version(struct device *device,
1291                                        struct device_attribute *attr,
1292                                        char *buf)
1293 {
1294         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1295         int len, tmp;
1296
1297         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1298         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1299           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1300           le32_to_cpu(dev->adapter_info.kernelbuild));
1301         return len;
1302 }
1303
1304 static ssize_t aac_show_monitor_version(struct device *device,
1305                                         struct device_attribute *attr,
1306                                         char *buf)
1307 {
1308         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1309         int len, tmp;
1310
1311         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1312         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1313           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1314           le32_to_cpu(dev->adapter_info.monitorbuild));
1315         return len;
1316 }
1317
1318 static ssize_t aac_show_bios_version(struct device *device,
1319                                      struct device_attribute *attr,
1320                                      char *buf)
1321 {
1322         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1323         int len, tmp;
1324
1325         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1326         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1327           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1328           le32_to_cpu(dev->adapter_info.biosbuild));
1329         return len;
1330 }
1331
1332 static ssize_t aac_show_driver_version(struct device *device,
1333                                         struct device_attribute *attr,
1334                                         char *buf)
1335 {
1336         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1337 }
1338
1339 static ssize_t aac_show_serial_number(struct device *device,
1340                                struct device_attribute *attr, char *buf)
1341 {
1342         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1343         int len = 0;
1344
1345         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1346                 len = snprintf(buf, 16, "%06X\n",
1347                   le32_to_cpu(dev->adapter_info.serial[0]));
1348         if (len &&
1349           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1350             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1351           buf, len-1))
1352                 len = snprintf(buf, 16, "%.*s\n",
1353                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1354                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1355
1356         return min(len, 16);
1357 }
1358
1359 static ssize_t aac_show_max_channel(struct device *device,
1360                                     struct device_attribute *attr, char *buf)
1361 {
1362         return snprintf(buf, PAGE_SIZE, "%d\n",
1363           class_to_shost(device)->max_channel);
1364 }
1365
1366 static ssize_t aac_show_max_id(struct device *device,
1367                                struct device_attribute *attr, char *buf)
1368 {
1369         return snprintf(buf, PAGE_SIZE, "%d\n",
1370           class_to_shost(device)->max_id);
1371 }
1372
1373 static ssize_t aac_store_reset_adapter(struct device *device,
1374                                        struct device_attribute *attr,
1375                                        const char *buf, size_t count)
1376 {
1377         int retval = -EACCES;
1378
1379         if (!capable(CAP_SYS_ADMIN))
1380                 return retval;
1381
1382         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1383                                         buf[0] == '!', IOP_HWSOFT_RESET);
1384         if (retval >= 0)
1385                 retval = count;
1386
1387         return retval;
1388 }
1389
1390 static ssize_t aac_show_reset_adapter(struct device *device,
1391                                       struct device_attribute *attr,
1392                                       char *buf)
1393 {
1394         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1395         int len, tmp;
1396
1397         tmp = aac_adapter_check_health(dev);
1398         if ((tmp == 0) && dev->in_reset)
1399                 tmp = -EBUSY;
1400         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1401         return len;
1402 }
1403
1404 static struct device_attribute aac_model = {
1405         .attr = {
1406                 .name = "model",
1407                 .mode = S_IRUGO,
1408         },
1409         .show = aac_show_model,
1410 };
1411 static struct device_attribute aac_vendor = {
1412         .attr = {
1413                 .name = "vendor",
1414                 .mode = S_IRUGO,
1415         },
1416         .show = aac_show_vendor,
1417 };
1418 static struct device_attribute aac_flags = {
1419         .attr = {
1420                 .name = "flags",
1421                 .mode = S_IRUGO,
1422         },
1423         .show = aac_show_flags,
1424 };
1425 static struct device_attribute aac_kernel_version = {
1426         .attr = {
1427                 .name = "hba_kernel_version",
1428                 .mode = S_IRUGO,
1429         },
1430         .show = aac_show_kernel_version,
1431 };
1432 static struct device_attribute aac_monitor_version = {
1433         .attr = {
1434                 .name = "hba_monitor_version",
1435                 .mode = S_IRUGO,
1436         },
1437         .show = aac_show_monitor_version,
1438 };
1439 static struct device_attribute aac_bios_version = {
1440         .attr = {
1441                 .name = "hba_bios_version",
1442                 .mode = S_IRUGO,
1443         },
1444         .show = aac_show_bios_version,
1445 };
1446 static struct device_attribute aac_lld_version = {
1447         .attr = {
1448                 .name = "driver_version",
1449                 .mode = 0444,
1450         },
1451         .show = aac_show_driver_version,
1452 };
1453 static struct device_attribute aac_serial_number = {
1454         .attr = {
1455                 .name = "serial_number",
1456                 .mode = S_IRUGO,
1457         },
1458         .show = aac_show_serial_number,
1459 };
1460 static struct device_attribute aac_max_channel = {
1461         .attr = {
1462                 .name = "max_channel",
1463                 .mode = S_IRUGO,
1464         },
1465         .show = aac_show_max_channel,
1466 };
1467 static struct device_attribute aac_max_id = {
1468         .attr = {
1469                 .name = "max_id",
1470                 .mode = S_IRUGO,
1471         },
1472         .show = aac_show_max_id,
1473 };
1474 static struct device_attribute aac_reset = {
1475         .attr = {
1476                 .name = "reset_host",
1477                 .mode = S_IWUSR|S_IRUGO,
1478         },
1479         .store = aac_store_reset_adapter,
1480         .show = aac_show_reset_adapter,
1481 };
1482
1483 static struct device_attribute *aac_attrs[] = {
1484         &aac_model,
1485         &aac_vendor,
1486         &aac_flags,
1487         &aac_kernel_version,
1488         &aac_monitor_version,
1489         &aac_bios_version,
1490         &aac_lld_version,
1491         &aac_serial_number,
1492         &aac_max_channel,
1493         &aac_max_id,
1494         &aac_reset,
1495         NULL
1496 };
1497
1498 ssize_t aac_get_serial_number(struct device *device, char *buf)
1499 {
1500         return aac_show_serial_number(device, &aac_serial_number, buf);
1501 }
1502
1503 static const struct file_operations aac_cfg_fops = {
1504         .owner          = THIS_MODULE,
1505         .unlocked_ioctl = aac_cfg_ioctl,
1506 #ifdef CONFIG_COMPAT
1507         .compat_ioctl   = aac_compat_cfg_ioctl,
1508 #endif
1509         .open           = aac_cfg_open,
1510         .llseek         = noop_llseek,
1511 };
1512
1513 static struct scsi_host_template aac_driver_template = {
1514         .module                         = THIS_MODULE,
1515         .name                           = "AAC",
1516         .proc_name                      = AAC_DRIVERNAME,
1517         .info                           = aac_info,
1518         .ioctl                          = aac_ioctl,
1519 #ifdef CONFIG_COMPAT
1520         .compat_ioctl                   = aac_compat_ioctl,
1521 #endif
1522         .queuecommand                   = aac_queuecommand,
1523         .bios_param                     = aac_biosparm,
1524         .shost_attrs                    = aac_attrs,
1525         .slave_configure                = aac_slave_configure,
1526         .change_queue_depth             = aac_change_queue_depth,
1527         .sdev_attrs                     = aac_dev_attrs,
1528         .eh_abort_handler               = aac_eh_abort,
1529         .eh_device_reset_handler        = aac_eh_dev_reset,
1530         .eh_target_reset_handler        = aac_eh_target_reset,
1531         .eh_bus_reset_handler           = aac_eh_bus_reset,
1532         .eh_host_reset_handler          = aac_eh_host_reset,
1533         .can_queue                      = AAC_NUM_IO_FIB,
1534         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1535         .sg_tablesize                   = 16,
1536         .max_sectors                    = 128,
1537 #if (AAC_NUM_IO_FIB > 256)
1538         .cmd_per_lun                    = 256,
1539 #else
1540         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1541 #endif
1542         .use_clustering                 = ENABLE_CLUSTERING,
1543         .emulated                       = 1,
1544         .no_write_same                  = 1,
1545 };
1546
1547 static void __aac_shutdown(struct aac_dev * aac)
1548 {
1549         int i;
1550
1551         mutex_lock(&aac->ioctl_mutex);
1552         aac->adapter_shutdown = 1;
1553         mutex_unlock(&aac->ioctl_mutex);
1554
1555         if (aac->aif_thread) {
1556                 int i;
1557                 /* Clear out events first */
1558                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1559                         struct fib *fib = &aac->fibs[i];
1560                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1561                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1562                                 up(&fib->event_wait);
1563                 }
1564                 kthread_stop(aac->thread);
1565                 aac->thread = NULL;
1566         }
1567
1568         aac_send_shutdown(aac);
1569
1570         aac_adapter_disable_int(aac);
1571
1572         if (aac_is_src(aac)) {
1573                 if (aac->max_msix > 1) {
1574                         for (i = 0; i < aac->max_msix; i++) {
1575                                 free_irq(pci_irq_vector(aac->pdev, i),
1576                                          &(aac->aac_msix[i]));
1577                         }
1578                 } else {
1579                         free_irq(aac->pdev->irq,
1580                                  &(aac->aac_msix[0]));
1581                 }
1582         } else {
1583                 free_irq(aac->pdev->irq, aac);
1584         }
1585         if (aac->msi)
1586                 pci_disable_msi(aac->pdev);
1587         else if (aac->max_msix > 1)
1588                 pci_disable_msix(aac->pdev);
1589 }
1590 static void aac_init_char(void)
1591 {
1592         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1593         if (aac_cfg_major < 0) {
1594                 pr_err("aacraid: unable to register \"aac\" device.\n");
1595         }
1596 }
1597
1598 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1599 {
1600         unsigned index = id->driver_data;
1601         struct Scsi_Host *shost;
1602         struct aac_dev *aac;
1603         struct list_head *insert = &aac_devices;
1604         int error = -ENODEV;
1605         int unique_id = 0;
1606         u64 dmamask;
1607         int mask_bits = 0;
1608         extern int aac_sync_mode;
1609
1610         /*
1611          * Only series 7 needs freset.
1612          */
1613         if (pdev->device == PMC_DEVICE_S7)
1614                 pdev->needs_freset = 1;
1615
1616         list_for_each_entry(aac, &aac_devices, entry) {
1617                 if (aac->id > unique_id)
1618                         break;
1619                 insert = &aac->entry;
1620                 unique_id++;
1621         }
1622
1623         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1624                                PCIE_LINK_STATE_CLKPM);
1625
1626         error = pci_enable_device(pdev);
1627         if (error)
1628                 goto out;
1629         error = -ENODEV;
1630
1631         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1632                 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1633                 if (error) {
1634                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1635                         goto out_disable_pdev;
1636                 }
1637         }
1638
1639         /*
1640          * If the quirk31 bit is set, the adapter needs adapter
1641          * to driver communication memory to be allocated below 2gig
1642          */
1643         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1644                 dmamask = DMA_BIT_MASK(31);
1645                 mask_bits = 31;
1646         } else {
1647                 dmamask = DMA_BIT_MASK(32);
1648                 mask_bits = 32;
1649         }
1650
1651         error = pci_set_consistent_dma_mask(pdev, dmamask);
1652         if (error) {
1653                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1654                                 , mask_bits);
1655                 goto out_disable_pdev;
1656         }
1657
1658         pci_set_master(pdev);
1659
1660         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1661         if (!shost)
1662                 goto out_disable_pdev;
1663
1664         shost->irq = pdev->irq;
1665         shost->unique_id = unique_id;
1666         shost->max_cmd_len = 16;
1667         shost->use_cmd_list = 1;
1668
1669         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1670                 aac_init_char();
1671
1672         aac = (struct aac_dev *)shost->hostdata;
1673         aac->base_start = pci_resource_start(pdev, 0);
1674         aac->scsi_host_ptr = shost;
1675         aac->pdev = pdev;
1676         aac->name = aac_driver_template.name;
1677         aac->id = shost->unique_id;
1678         aac->cardtype = index;
1679         INIT_LIST_HEAD(&aac->entry);
1680
1681         if (aac_reset_devices || reset_devices)
1682                 aac->init_reset = true;
1683
1684         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1685         if (!aac->fibs)
1686                 goto out_free_host;
1687         spin_lock_init(&aac->fib_lock);
1688
1689         mutex_init(&aac->ioctl_mutex);
1690         mutex_init(&aac->scan_mutex);
1691
1692         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1693         /*
1694          *      Map in the registers from the adapter.
1695          */
1696         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1697         if ((*aac_drivers[index].init)(aac)) {
1698                 error = -ENODEV;
1699                 goto out_unmap;
1700         }
1701
1702         if (aac->sync_mode) {
1703                 if (aac_sync_mode)
1704                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1705                                 "by driver parameter. This will cause "
1706                                 "a significant performance decrease!\n",
1707                                 aac->name,
1708                                 aac->id);
1709                 else
1710                         printk(KERN_INFO "%s%d: Async. mode not supported "
1711                                 "by current driver, sync. mode enforced."
1712                                 "\nPlease update driver to get full performance.\n",
1713                                 aac->name,
1714                                 aac->id);
1715         }
1716
1717         /*
1718          *      Start any kernel threads needed
1719          */
1720         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1721         if (IS_ERR(aac->thread)) {
1722                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1723                 error = PTR_ERR(aac->thread);
1724                 aac->thread = NULL;
1725                 goto out_deinit;
1726         }
1727
1728         aac->maximum_num_channels = aac_drivers[index].channels;
1729         error = aac_get_adapter_info(aac);
1730         if (error < 0)
1731                 goto out_deinit;
1732
1733         /*
1734          * Lets override negotiations and drop the maximum SG limit to 34
1735          */
1736         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1737                         (shost->sg_tablesize > 34)) {
1738                 shost->sg_tablesize = 34;
1739                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1740         }
1741
1742         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1743                         (shost->sg_tablesize > 17)) {
1744                 shost->sg_tablesize = 17;
1745                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1746         }
1747
1748         error = pci_set_dma_max_seg_size(pdev,
1749                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1750                         (shost->max_sectors << 9) : 65536);
1751         if (error)
1752                 goto out_deinit;
1753
1754         /*
1755          * Firmware printf works only with older firmware.
1756          */
1757         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1758                 aac->printf_enabled = 1;
1759         else
1760                 aac->printf_enabled = 0;
1761
1762         /*
1763          * max channel will be the physical channels plus 1 virtual channel
1764          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1765          * physical channels are address by their actual physical number+1
1766          */
1767         if (aac->nondasd_support || expose_physicals || aac->jbod)
1768                 shost->max_channel = aac->maximum_num_channels;
1769         else
1770                 shost->max_channel = 0;
1771
1772         aac_get_config_status(aac, 0);
1773         aac_get_containers(aac);
1774         list_add(&aac->entry, insert);
1775
1776         shost->max_id = aac->maximum_num_containers;
1777         if (shost->max_id < aac->maximum_num_physicals)
1778                 shost->max_id = aac->maximum_num_physicals;
1779         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1780                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1781         else
1782                 shost->this_id = shost->max_id;
1783
1784         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1785                 aac_intr_normal(aac, 0, 2, 0, NULL);
1786
1787         /*
1788          * dmb - we may need to move the setting of these parms somewhere else once
1789          * we get a fib that can report the actual numbers
1790          */
1791         shost->max_lun = AAC_MAX_LUN;
1792
1793         pci_set_drvdata(pdev, shost);
1794
1795         error = scsi_add_host(shost, &pdev->dev);
1796         if (error)
1797                 goto out_deinit;
1798
1799         aac_scan_host(aac);
1800
1801         pci_enable_pcie_error_reporting(pdev);
1802         pci_save_state(pdev);
1803
1804         return 0;
1805
1806  out_deinit:
1807         __aac_shutdown(aac);
1808  out_unmap:
1809         aac_fib_map_free(aac);
1810         if (aac->comm_addr)
1811                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1812                                   aac->comm_addr, aac->comm_phys);
1813         kfree(aac->queues);
1814         aac_adapter_ioremap(aac, 0);
1815         kfree(aac->fibs);
1816         kfree(aac->fsa_dev);
1817  out_free_host:
1818         scsi_host_put(shost);
1819  out_disable_pdev:
1820         pci_disable_device(pdev);
1821  out:
1822         return error;
1823 }
1824
1825 static void aac_release_resources(struct aac_dev *aac)
1826 {
1827         aac_adapter_disable_int(aac);
1828         aac_free_irq(aac);
1829 }
1830
1831 static int aac_acquire_resources(struct aac_dev *dev)
1832 {
1833         unsigned long status;
1834         /*
1835          *      First clear out all interrupts.  Then enable the one's that we
1836          *      can handle.
1837          */
1838         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1839                 || status == 0xffffffff)
1840                         msleep(20);
1841
1842         aac_adapter_disable_int(dev);
1843         aac_adapter_enable_int(dev);
1844
1845
1846         if (aac_is_src(dev))
1847                 aac_define_int_mode(dev);
1848
1849         if (dev->msi_enabled)
1850                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1851
1852         if (aac_acquire_irq(dev))
1853                 goto error_iounmap;
1854
1855         aac_adapter_enable_int(dev);
1856
1857         /*max msix may change  after EEH
1858          * Re-assign vectors to fibs
1859          */
1860         aac_fib_vector_assign(dev);
1861
1862         if (!dev->sync_mode) {
1863                 /* After EEH recovery or suspend resume, max_msix count
1864                  * may change, therefore updating in init as well.
1865                  */
1866                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1867                 aac_adapter_start(dev);
1868         }
1869         return 0;
1870
1871 error_iounmap:
1872         return -1;
1873
1874 }
1875
1876 #if (defined(CONFIG_PM))
1877 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1878 {
1879
1880         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1881         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1882
1883         scsi_block_requests(shost);
1884         aac_cancel_safw_rescan_worker(aac);
1885         aac_send_shutdown(aac);
1886
1887         aac_release_resources(aac);
1888
1889         pci_set_drvdata(pdev, shost);
1890         pci_save_state(pdev);
1891         pci_disable_device(pdev);
1892         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1893
1894         return 0;
1895 }
1896
1897 static int aac_resume(struct pci_dev *pdev)
1898 {
1899         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1900         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1901         int r;
1902
1903         pci_set_power_state(pdev, PCI_D0);
1904         pci_enable_wake(pdev, PCI_D0, 0);
1905         pci_restore_state(pdev);
1906         r = pci_enable_device(pdev);
1907
1908         if (r)
1909                 goto fail_device;
1910
1911         pci_set_master(pdev);
1912         if (aac_acquire_resources(aac))
1913                 goto fail_device;
1914         /*
1915         * reset this flag to unblock ioctl() as it was set at
1916         * aac_send_shutdown() to block ioctls from upperlayer
1917         */
1918         aac->adapter_shutdown = 0;
1919         scsi_unblock_requests(shost);
1920
1921         return 0;
1922
1923 fail_device:
1924         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1925         scsi_host_put(shost);
1926         pci_disable_device(pdev);
1927         return -ENODEV;
1928 }
1929 #endif
1930
1931 static void aac_shutdown(struct pci_dev *dev)
1932 {
1933         struct Scsi_Host *shost = pci_get_drvdata(dev);
1934         scsi_block_requests(shost);
1935         __aac_shutdown((struct aac_dev *)shost->hostdata);
1936 }
1937
1938 static void aac_remove_one(struct pci_dev *pdev)
1939 {
1940         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1941         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1942
1943         aac_cancel_safw_rescan_worker(aac);
1944         scsi_remove_host(shost);
1945
1946         __aac_shutdown(aac);
1947         aac_fib_map_free(aac);
1948         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1949                           aac->comm_phys);
1950         kfree(aac->queues);
1951
1952         aac_adapter_ioremap(aac, 0);
1953
1954         kfree(aac->fibs);
1955         kfree(aac->fsa_dev);
1956
1957         list_del(&aac->entry);
1958         scsi_host_put(shost);
1959         pci_disable_device(pdev);
1960         if (list_empty(&aac_devices)) {
1961                 unregister_chrdev(aac_cfg_major, "aac");
1962                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1963         }
1964 }
1965
1966 static void aac_flush_ios(struct aac_dev *aac)
1967 {
1968         int i;
1969         struct scsi_cmnd *cmd;
1970
1971         for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1972                 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1973                 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1974                         scsi_dma_unmap(cmd);
1975
1976                         if (aac->handle_pci_error)
1977                                 cmd->result = DID_NO_CONNECT << 16;
1978                         else
1979                                 cmd->result = DID_RESET << 16;
1980
1981                         cmd->scsi_done(cmd);
1982                 }
1983         }
1984 }
1985
1986 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1987                                         enum pci_channel_state error)
1988 {
1989         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1990         struct aac_dev *aac = shost_priv(shost);
1991
1992         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1993
1994         switch (error) {
1995         case pci_channel_io_normal:
1996                 return PCI_ERS_RESULT_CAN_RECOVER;
1997         case pci_channel_io_frozen:
1998                 aac->handle_pci_error = 1;
1999
2000                 scsi_block_requests(aac->scsi_host_ptr);
2001                 aac_cancel_safw_rescan_worker(aac);
2002                 aac_flush_ios(aac);
2003                 aac_release_resources(aac);
2004
2005                 pci_disable_pcie_error_reporting(pdev);
2006                 aac_adapter_ioremap(aac, 0);
2007
2008                 return PCI_ERS_RESULT_NEED_RESET;
2009         case pci_channel_io_perm_failure:
2010                 aac->handle_pci_error = 1;
2011
2012                 aac_flush_ios(aac);
2013                 return PCI_ERS_RESULT_DISCONNECT;
2014         }
2015
2016         return PCI_ERS_RESULT_NEED_RESET;
2017 }
2018
2019 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2020 {
2021         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2022         return PCI_ERS_RESULT_NEED_RESET;
2023 }
2024
2025 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2026 {
2027         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2028         pci_restore_state(pdev);
2029         if (pci_enable_device(pdev)) {
2030                 dev_warn(&pdev->dev,
2031                         "aacraid: failed to enable slave\n");
2032                 goto fail_device;
2033         }
2034
2035         pci_set_master(pdev);
2036
2037         if (pci_enable_device_mem(pdev)) {
2038                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2039                 goto fail_device;
2040         }
2041
2042         return PCI_ERS_RESULT_RECOVERED;
2043
2044 fail_device:
2045         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2046         return PCI_ERS_RESULT_DISCONNECT;
2047 }
2048
2049
2050 static void aac_pci_resume(struct pci_dev *pdev)
2051 {
2052         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2053         struct scsi_device *sdev = NULL;
2054         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2055
2056         pci_cleanup_aer_uncorrect_error_status(pdev);
2057
2058         if (aac_adapter_ioremap(aac, aac->base_size)) {
2059
2060                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2061                 /* remap failed, go back ... */
2062                 aac->comm_interface = AAC_COMM_PRODUCER;
2063                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2064                         dev_warn(&pdev->dev,
2065                                 "aacraid: unable to map adapter.\n");
2066
2067                         return;
2068                 }
2069         }
2070
2071         msleep(10000);
2072
2073         aac_acquire_resources(aac);
2074
2075         /*
2076          * reset this flag to unblock ioctl() as it was set
2077          * at aac_send_shutdown() to block ioctls from upperlayer
2078          */
2079         aac->adapter_shutdown = 0;
2080         aac->handle_pci_error = 0;
2081
2082         shost_for_each_device(sdev, shost)
2083                 if (sdev->sdev_state == SDEV_OFFLINE)
2084                         sdev->sdev_state = SDEV_RUNNING;
2085         scsi_unblock_requests(aac->scsi_host_ptr);
2086         aac_scan_host(aac);
2087         pci_save_state(pdev);
2088
2089         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2090 }
2091
2092 static struct pci_error_handlers aac_pci_err_handler = {
2093         .error_detected         = aac_pci_error_detected,
2094         .mmio_enabled           = aac_pci_mmio_enabled,
2095         .slot_reset             = aac_pci_slot_reset,
2096         .resume                 = aac_pci_resume,
2097 };
2098
2099 static struct pci_driver aac_pci_driver = {
2100         .name           = AAC_DRIVERNAME,
2101         .id_table       = aac_pci_tbl,
2102         .probe          = aac_probe_one,
2103         .remove         = aac_remove_one,
2104 #if (defined(CONFIG_PM))
2105         .suspend        = aac_suspend,
2106         .resume         = aac_resume,
2107 #endif
2108         .shutdown       = aac_shutdown,
2109         .err_handler    = &aac_pci_err_handler,
2110 };
2111
2112 static int __init aac_init(void)
2113 {
2114         int error;
2115
2116         printk(KERN_INFO "Adaptec %s driver %s\n",
2117           AAC_DRIVERNAME, aac_driver_version);
2118
2119         error = pci_register_driver(&aac_pci_driver);
2120         if (error < 0)
2121                 return error;
2122
2123         aac_init_char();
2124
2125
2126         return 0;
2127 }
2128
2129 static void __exit aac_exit(void)
2130 {
2131         if (aac_cfg_major > -1)
2132                 unregister_chrdev(aac_cfg_major, "aac");
2133         pci_unregister_driver(&aac_pci_driver);
2134 }
2135
2136 module_init(aac_init);
2137 module_exit(aac_exit);