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                         set_timeout = 1;
 419                         goto common_config;
 420                 }
 421                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 422                         set_qd_dev_type = true;
 423                         set_timeout = 1;
 424                         goto common_config;
 425                 }
 426         }
 427
 428         if (aac->jbod && (sdev->type == TYPE_DISK))
 429                 sdev->removable = 1;
 430
 431         if (sdev->type == TYPE_DISK
 432          && sdev_channel(sdev) != CONTAINER_CHANNEL
 433          && (!aac->jbod || sdev->inq_periph_qual)
 434          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 435
 436                 if (expose_physicals == 0)
 437                         return -ENXIO;
 438
 439                 if (expose_physicals < 0)
 440                         sdev->no_uld_attach = 1;
 441         }
 442
 443         if (sdev->tagged_supported
 444          &&  sdev->type == TYPE_DISK
 445          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 446          && !sdev->no_uld_attach) {
 447
 448                 struct scsi_device * dev;
 449                 struct Scsi_Host *host = sdev->host;
 450                 unsigned num_lsu = 0;
 451                 unsigned num_one = 0;
 452                 unsigned cid;
 453
 454                 set_timeout = 1;
 455
 456                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 457                         if (aac->fsa_dev[cid].valid)
 458                                 ++num_lsu;
 459
 460                 __shost_for_each_device(dev, host) {
 461                         if (dev->tagged_supported
 462                          && dev->type == TYPE_DISK
 463                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 464                          && !dev->no_uld_attach) {
 465                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 466                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 467                                         ++num_lsu;
 468                                 }
 469                         } else {
 470                                 ++num_one;
 471                         }
 472                 }
 473
 474                 if (num_lsu == 0)
 475                         ++num_lsu;
 476
 477                 depth = (host->can_queue - num_one) / num_lsu;
 478
 479                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 480                         goto common_config;
 481
 482                 set_qd_dev_type = true;
 483
 484         }
 485
 486 common_config:
 487
 488         /*
 489          * Check if SATA drive
 490          */
 491         if (set_qd_dev_type) {
 492                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 493                         depth = 32;
 494                 else
 495                         depth = 64;
 496         }
 497
 498         /*
 499          * Firmware has an individual device recovery time typically
 500          * of 35 seconds, give us a margin.
 501          */
 502         if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
 503                 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 504
 505         if (depth > 256)
 506                 depth = 256;
 507         else if (depth < 1)
 508                 depth = 1;
 509
 510         scsi_change_queue_depth(sdev, depth);
 511
 512         sdev->tagged_supported = 1;
 513
 514         return 0;
 515 }
 516
 517 /**
 518  *      aac_change_queue_depth          -       alter queue depths
 519  *      @sdev:  SCSI device we are considering
 520  *      @depth: desired queue depth
 521  *
 522  *      Alters queue depths for target device based on the host adapter's
 523  *      total capacity and the queue depth supported by the target device.
 524  */
 525
 526 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 527 {
 528         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 529         int chn, tid, is_native_device = 0;
 530
 531         chn = aac_logical_to_phys(sdev_channel(sdev));
 532         tid = sdev_id(sdev);
 533         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 534                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 535                 is_native_device = 1;
 536
 537         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 538             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 539                 struct scsi_device * dev;
 540                 struct Scsi_Host *host = sdev->host;
 541                 unsigned num = 0;
 542
 543                 __shost_for_each_device(dev, host) {
 544                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 545                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 546                                 ++num;
 547                         ++num;
 548                 }
 549                 if (num >= host->can_queue)
 550                         num = host->can_queue - 1;
 551                 if (depth > (host->can_queue - num))
 552                         depth = host->can_queue - num;
 553                 if (depth > 256)
 554                         depth = 256;
 555                 else if (depth < 2)
 556                         depth = 2;
 557                 return scsi_change_queue_depth(sdev, depth);
 558         } else if (is_native_device) {
 559                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 560         } else {
 561                 scsi_change_queue_depth(sdev, 1);
 562         }
 563         return sdev->queue_depth;
 564 }
 565
 566 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 567 {
 568         struct scsi_device *sdev = to_scsi_device(dev);
 569         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 570         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 571                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 572                   ? "Hidden\n" :
 573                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 574         return snprintf(buf, PAGE_SIZE, "%s\n",
 575           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 576 }
 577
 578 static struct device_attribute aac_raid_level_attr = {
 579         .attr = {
 580                 .name = "level",
 581                 .mode = S_IRUGO,
 582         },
 583         .show = aac_show_raid_level
 584 };
 585
 586 static ssize_t aac_show_unique_id(struct device *dev,
 587              struct device_attribute *attr, char *buf)
 588 {
 589         struct scsi_device *sdev = to_scsi_device(dev);
 590         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 591         unsigned char sn[16];
 592
 593         memset(sn, 0, sizeof(sn));
 594
 595         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 596                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 597
 598         return snprintf(buf, 16 * 2 + 2,
 599                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 600                 sn[0], sn[1], sn[2], sn[3],
 601                 sn[4], sn[5], sn[6], sn[7],
 602                 sn[8], sn[9], sn[10], sn[11],
 603                 sn[12], sn[13], sn[14], sn[15]);
 604 }
 605
 606 static struct device_attribute aac_unique_id_attr = {
 607         .attr = {
 608                 .name = "unique_id",
 609                 .mode = 0444,
 610         },
 611         .show = aac_show_unique_id
 612 };
 613
 614
 615
 616 static struct device_attribute *aac_dev_attrs[] = {
 617         &aac_raid_level_attr,
 618         &aac_unique_id_attr,
 619         NULL,
 620 };
 621
 622 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 623                      void __user *arg)
 624 {
 625         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 626         if (!capable(CAP_SYS_RAWIO))
 627                 return -EPERM;
 628         return aac_do_ioctl(dev, cmd, arg);
 629 }
 630
 631 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 632 {
 633
 634         unsigned long flags;
 635         struct scsi_device *sdev = NULL;
 636         struct Scsi_Host *shost = aac->scsi_host_ptr;
 637         struct scsi_cmnd *scmnd = NULL;
 638         struct device *ctrl_dev;
 639
 640         int mlcnt  = 0;
 641         int llcnt  = 0;
 642         int ehcnt  = 0;
 643         int fwcnt  = 0;
 644         int krlcnt = 0;
 645
 646         __shost_for_each_device(sdev, shost) {
 647                 spin_lock_irqsave(&sdev->list_lock, flags);
 648                 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
 649                         switch (scmnd->SCp.phase) {
 650                         case AAC_OWNER_FIRMWARE:
 651                                 fwcnt++;
 652                                 break;
 653                         case AAC_OWNER_ERROR_HANDLER:
 654                                 ehcnt++;
 655                                 break;
 656                         case AAC_OWNER_LOWLEVEL:
 657                                 llcnt++;
 658                                 break;
 659                         case AAC_OWNER_MIDLEVEL:
 660                                 mlcnt++;
 661                                 break;
 662                         default:
 663                                 krlcnt++;
 664                                 break;
 665                         }
 666                 }
 667                 spin_unlock_irqrestore(&sdev->list_lock, flags);
 668         }
 669
 670         ctrl_dev = &aac->pdev->dev;
 671
 672         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
 673         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
 674         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
 675         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
 676         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
 677
 678         return mlcnt + llcnt + ehcnt + fwcnt;
 679 }
 680
 681 static int aac_eh_abort(struct scsi_cmnd* cmd)
 682 {
 683         struct scsi_device * dev = cmd->device;
 684         struct Scsi_Host * host = dev->host;
 685         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 686         int count, found;
 687         u32 bus, cid;
 688         int ret = FAILED;
 689
 690         if (aac_adapter_check_health(aac))
 691                 return ret;
 692
 693         bus = aac_logical_to_phys(scmd_channel(cmd));
 694         cid = scmd_id(cmd);
 695         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 696                 struct fib *fib;
 697                 struct aac_hba_tm_req *tmf;
 698                 int status;
 699                 u64 address;
 700
 701                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 702                  AAC_DRIVERNAME,
 703                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 704
 705                 found = 0;
 706                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 707                         fib = &aac->fibs[count];
 708                         if (*(u8 *)fib->hw_fib_va != 0 &&
 709                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 710                                 (fib->callback_data == cmd)) {
 711                                 found = 1;
 712                                 break;
 713                         }
 714                 }
 715                 if (!found)
 716                         return ret;
 717
 718                 /* start a HBA_TMF_ABORT_TASK TMF request */
 719                 fib = aac_fib_alloc(aac);
 720                 if (!fib)
 721                         return ret;
 722
 723                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 724                 memset(tmf, 0, sizeof(*tmf));
 725                 tmf->tmf = HBA_TMF_ABORT_TASK;
 726                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 727                 tmf->lun[1] = cmd->device->lun;
 728
 729                 address = (u64)fib->hw_error_pa;
 730                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 731                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 732                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 733
 734                 fib->hbacmd_size = sizeof(*tmf);
 735                 cmd->SCp.sent_command = 0;
 736
 737                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 738                                   (fib_callback) aac_hba_callback,
 739                                   (void *) cmd);
 740
 741                 /* Wait up to 15 secs for completion */
 742                 for (count = 0; count < 15; ++count) {
 743                         if (cmd->SCp.sent_command) {
 744                                 ret = SUCCESS;
 745                                 break;
 746                         }
 747                         msleep(1000);
 748                 }
 749
 750                 if (ret != SUCCESS)
 751                         pr_err("%s: Host adapter abort request timed out\n",
 752                         AAC_DRIVERNAME);
 753         } else {
 754                 pr_err(
 755                         "%s: Host adapter abort request.\n"
 756                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 757                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 758                         host->host_no, sdev_channel(dev), sdev_id(dev),
 759                         (int)dev->lun);
 760                 switch (cmd->cmnd[0]) {
 761                 case SERVICE_ACTION_IN_16:
 762                         if (!(aac->raw_io_interface) ||
 763                             !(aac->raw_io_64) ||
 764                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 765                                 break;
 766                         /* fall through */
 767                 case INQUIRY:
 768                 case READ_CAPACITY:
 769                         /*
 770                          * Mark associated FIB to not complete,
 771                          * eh handler does this
 772                          */
 773                         for (count = 0;
 774                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 775                                 ++count) {
 776                                 struct fib *fib = &aac->fibs[count];
 777
 778                                 if (fib->hw_fib_va->header.XferState &&
 779                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 780                                 (fib->callback_data == cmd)) {
 781                                         fib->flags |=
 782                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 783                                         cmd->SCp.phase =
 784                                                 AAC_OWNER_ERROR_HANDLER;
 785                                         ret = SUCCESS;
 786                                 }
 787                         }
 788                         break;
 789                 case TEST_UNIT_READY:
 790                         /*
 791                          * Mark associated FIB to not complete,
 792                          * eh handler does this
 793                          */
 794                         for (count = 0;
 795                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 796                                 ++count) {
 797                                 struct scsi_cmnd *command;
 798                                 struct fib *fib = &aac->fibs[count];
 799
 800                                 command = fib->callback_data;
 801
 802                                 if ((fib->hw_fib_va->header.XferState &
 803                                         cpu_to_le32
 804                                         (Async | NoResponseExpected)) &&
 805                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 806                                         ((command)) &&
 807                                         (command->device == cmd->device)) {
 808                                         fib->flags |=
 809                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 810                                         command->SCp.phase =
 811                                                 AAC_OWNER_ERROR_HANDLER;
 812                                         if (command == cmd)
 813                                                 ret = SUCCESS;
 814                                 }
 815                         }
 816                         break;
 817                 }
 818         }
 819         return ret;
 820 }
 821
 822 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 823                                    struct fib *fib, u64 tmf_lun)
 824 {
 825         struct aac_hba_tm_req *tmf;
 826         u64 address;
 827
 828         /* start a HBA_TMF_LUN_RESET TMF request */
 829         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 830         memset(tmf, 0, sizeof(*tmf));
 831         tmf->tmf = HBA_TMF_LUN_RESET;
 832         tmf->it_nexus = info->rmw_nexus;
 833         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 834
 835         address = (u64)fib->hw_error_pa;
 836         tmf->error_ptr_hi = cpu_to_le32
 837                 ((u32)(address >> 32));
 838         tmf->error_ptr_lo = cpu_to_le32
 839                 ((u32)(address & 0xffffffff));
 840         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 841         fib->hbacmd_size = sizeof(*tmf);
 842
 843         return HBA_IU_TYPE_SCSI_TM_REQ;
 844 }
 845
 846 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 847                                     struct fib *fib)
 848 {
 849         struct aac_hba_reset_req *rst;
 850         u64 address;
 851
 852         /* already tried, start a hard reset now */
 853         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 854         memset(rst, 0, sizeof(*rst));
 855         rst->it_nexus = info->rmw_nexus;
 856
 857         address = (u64)fib->hw_error_pa;
 858         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 859         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 860         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 861         fib->hbacmd_size = sizeof(*rst);
 862
 863        return HBA_IU_TYPE_SATA_REQ;
 864 }
 865
 866 void aac_tmf_callback(void *context, struct fib *fibptr)
 867 {
 868         struct aac_hba_resp *err =
 869                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 870         struct aac_hba_map_info *info = context;
 871         int res;
 872
 873         switch (err->service_response) {
 874         case HBA_RESP_SVCRES_TMF_REJECTED:
 875                 res = -1;
 876                 break;
 877         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 878                 res = 0;
 879                 break;
 880         case HBA_RESP_SVCRES_TMF_COMPLETE:
 881         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 882                 res = 0;
 883                 break;
 884         default:
 885                 res = -2;
 886                 break;
 887         }
 888         aac_fib_complete(fibptr);
 889
 890         info->reset_state = res;
 891 }
 892
 893 /*
 894  *      aac_eh_dev_reset        - Device reset command handling
 895  *      @scsi_cmd:      SCSI command block causing the reset
 896  *
 897  */
 898 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 899 {
 900         struct scsi_device * dev = cmd->device;
 901         struct Scsi_Host * host = dev->host;
 902         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 903         struct aac_hba_map_info *info;
 904         int count;
 905         u32 bus, cid;
 906         struct fib *fib;
 907         int ret = FAILED;
 908         int status;
 909         u8 command;
 910
 911         bus = aac_logical_to_phys(scmd_channel(cmd));
 912         cid = scmd_id(cmd);
 913
 914         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 915                 return FAILED;
 916
 917         info = &aac->hba_map[bus][cid];
 918
 919         if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
 920             info->reset_state > 0)
 921                 return FAILED;
 922
 923         pr_err("%s: Host adapter reset request. SCSI hang ?\n",
 924                AAC_DRIVERNAME);
 925
 926         fib = aac_fib_alloc(aac);
 927         if (!fib)
 928                 return ret;
 929
 930         /* start a HBA_TMF_LUN_RESET TMF request */
 931         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 932
 933         info->reset_state = 1;
 934
 935         status = aac_hba_send(command, fib,
 936                               (fib_callback) aac_tmf_callback,
 937                               (void *) info);
 938
 939         /* Wait up to 15 seconds for completion */
 940         for (count = 0; count < 15; ++count) {
 941                 if (info->reset_state == 0) {
 942                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 943                         break;
 944                 }
 945                 msleep(1000);
 946         }
 947
 948         return ret;
 949 }
 950
 951 /*
 952  *      aac_eh_target_reset     - Target reset command handling
 953  *      @scsi_cmd:      SCSI command block causing the reset
 954  *
 955  */
 956 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 957 {
 958         struct scsi_device * dev = cmd->device;
 959         struct Scsi_Host * host = dev->host;
 960         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 961         struct aac_hba_map_info *info;
 962         int count;
 963         u32 bus, cid;
 964         int ret = FAILED;
 965         struct fib *fib;
 966         int status;
 967         u8 command;
 968
 969         bus = aac_logical_to_phys(scmd_channel(cmd));
 970         cid = scmd_id(cmd);
 971
 972         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 973                 return FAILED;
 974
 975         info = &aac->hba_map[bus][cid];
 976
 977         if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
 978             info->reset_state > 0)
 979                 return FAILED;
 980
 981         pr_err("%s: Host adapter reset request. SCSI hang ?\n",
 982                AAC_DRIVERNAME);
 983
 984         fib = aac_fib_alloc(aac);
 985         if (!fib)
 986                 return ret;
 987
 988
 989         /* already tried, start a hard reset now */
 990         command = aac_eh_tmf_hard_reset_fib(info, fib);
 991
 992         info->reset_state = 2;
 993
 994         status = aac_hba_send(command, fib,
 995                               (fib_callback) aac_tmf_callback,
 996                               (void *) info);
 997
 998         /* Wait up to 15 seconds for completion */
 999         for (count = 0; count < 15; ++count) {
1000                 if (info->reset_state <= 0) {
1001                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
1002                         break;
1003                 }
1004                 msleep(1000);
1005         }
1006
1007         return ret;
1008 }
1009
1010 /*
1011  *      aac_eh_bus_reset        - Bus reset command handling
1012  *      @scsi_cmd:      SCSI command block causing the reset
1013  *
1014  */
1015 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1016 {
1017         struct scsi_device * dev = cmd->device;
1018         struct Scsi_Host * host = dev->host;
1019         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1020         int count;
1021         u32 cmd_bus;
1022         int status = 0;
1023
1024
1025         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1026         /* Mark the assoc. FIB to not complete, eh handler does this */
1027         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1028                 struct fib *fib = &aac->fibs[count];
1029
1030                 if (fib->hw_fib_va->header.XferState &&
1031                     (fib->flags & FIB_CONTEXT_FLAG) &&
1032                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1033                         struct aac_hba_map_info *info;
1034                         u32 bus, cid;
1035
1036                         cmd = (struct scsi_cmnd *)fib->callback_data;
1037                         bus = aac_logical_to_phys(scmd_channel(cmd));
1038                         if (bus != cmd_bus)
1039                                 continue;
1040                         cid = scmd_id(cmd);
1041                         info = &aac->hba_map[bus][cid];
1042                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1043                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1044                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1045                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1046                         }
1047                 }
1048         }
1049
1050         pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1051
1052         /*
1053          * Check the health of the controller
1054          */
1055         status = aac_adapter_check_health(aac);
1056         if (status)
1057                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1058
1059         count = get_num_of_incomplete_fibs(aac);
1060         return (count == 0) ? SUCCESS : FAILED;
1061 }
1062
1063 /*
1064  *      aac_eh_host_reset       - Host reset command handling
1065  *      @scsi_cmd:      SCSI command block causing the reset
1066  *
1067  */
1068 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1069 {
1070         struct scsi_device * dev = cmd->device;
1071         struct Scsi_Host * host = dev->host;
1072         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1073         int ret = FAILED;
1074         __le32 supported_options2 = 0;
1075         bool is_mu_reset;
1076         bool is_ignore_reset;
1077         bool is_doorbell_reset;
1078
1079         /*
1080          * Check if reset is supported by the firmware
1081          */
1082         supported_options2 = aac->supplement_adapter_info.supported_options2;
1083         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1084         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1085         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1086         /*
1087          * This adapter needs a blind reset, only do so for
1088          * Adapters that support a register, instead of a commanded,
1089          * reset.
1090          */
1091         if ((is_mu_reset || is_doorbell_reset)
1092          && aac_check_reset
1093          && (aac_check_reset != -1 || !is_ignore_reset)) {
1094                 /* Bypass wait for command quiesce */
1095                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1096                         ret = SUCCESS;
1097         }
1098         /*
1099          * Reset EH state
1100          */
1101         if (ret == SUCCESS) {
1102                 int bus, cid;
1103                 struct aac_hba_map_info *info;
1104
1105                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1106                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1107                                 info = &aac->hba_map[bus][cid];
1108                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1109                                         info->reset_state = 0;
1110                         }
1111                 }
1112         }
1113         return ret;
1114 }
1115
1116 /**
1117  *      aac_cfg_open            -       open a configuration file
1118  *      @inode: inode being opened
1119  *      @file: file handle attached
1120  *
1121  *      Called when the configuration device is opened. Does the needed
1122  *      set up on the handle and then returns
1123  *
1124  *      Bugs: This needs extending to check a given adapter is present
1125  *      so we can support hot plugging, and to ref count adapters.
1126  */
1127
1128 static int aac_cfg_open(struct inode *inode, struct file *file)
1129 {
1130         struct aac_dev *aac;
1131         unsigned minor_number = iminor(inode);
1132         int err = -ENODEV;
1133
1134         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1135         list_for_each_entry(aac, &aac_devices, entry) {
1136                 if (aac->id == minor_number) {
1137                         file->private_data = aac;
1138                         err = 0;
1139                         break;
1140                 }
1141         }
1142         mutex_unlock(&aac_mutex);
1143
1144         return err;
1145 }
1146
1147 /**
1148  *      aac_cfg_ioctl           -       AAC configuration request
1149  *      @inode: inode of device
1150  *      @file: file handle
1151  *      @cmd: ioctl command code
1152  *      @arg: argument
1153  *
1154  *      Handles a configuration ioctl. Currently this involves wrapping it
1155  *      up and feeding it into the nasty windowsalike glue layer.
1156  *
1157  *      Bugs: Needs locking against parallel ioctls lower down
1158  *      Bugs: Needs to handle hot plugging
1159  */
1160
1161 static long aac_cfg_ioctl(struct file *file,
1162                 unsigned int cmd, unsigned long arg)
1163 {
1164         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1165
1166         if (!capable(CAP_SYS_RAWIO))
1167                 return -EPERM;
1168
1169         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1170 }
1171
1172 #ifdef CONFIG_COMPAT
1173 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1174 {
1175         long ret;
1176         switch (cmd) {
1177         case FSACTL_MINIPORT_REV_CHECK:
1178         case FSACTL_SENDFIB:
1179         case FSACTL_OPEN_GET_ADAPTER_FIB:
1180         case FSACTL_CLOSE_GET_ADAPTER_FIB:
1181         case FSACTL_SEND_RAW_SRB:
1182         case FSACTL_GET_PCI_INFO:
1183         case FSACTL_QUERY_DISK:
1184         case FSACTL_DELETE_DISK:
1185         case FSACTL_FORCE_DELETE_DISK:
1186         case FSACTL_GET_CONTAINERS:
1187         case FSACTL_SEND_LARGE_FIB:
1188                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1189                 break;
1190
1191         case FSACTL_GET_NEXT_ADAPTER_FIB: {
1192                 struct fib_ioctl __user *f;
1193
1194                 f = compat_alloc_user_space(sizeof(*f));
1195                 ret = 0;
1196                 if (clear_user(f, sizeof(*f)))
1197                         ret = -EFAULT;
1198                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1199                         ret = -EFAULT;
1200                 if (!ret)
1201                         ret = aac_do_ioctl(dev, cmd, f);
1202                 break;
1203         }
1204
1205         default:
1206                 ret = -ENOIOCTLCMD;
1207                 break;
1208         }
1209         return ret;
1210 }
1211
1212 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1213                             void __user *arg)
1214 {
1215         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1216         if (!capable(CAP_SYS_RAWIO))
1217                 return -EPERM;
1218         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1219 }
1220
1221 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1222 {
1223         if (!capable(CAP_SYS_RAWIO))
1224                 return -EPERM;
1225         return aac_compat_do_ioctl(file->private_data, cmd, arg);
1226 }
1227 #endif
1228
1229 static ssize_t aac_show_model(struct device *device,
1230                               struct device_attribute *attr, char *buf)
1231 {
1232         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1233         int len;
1234
1235         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1236                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1237                 while (*cp && *cp != ' ')
1238                         ++cp;
1239                 while (*cp == ' ')
1240                         ++cp;
1241                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1242         } else
1243                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1244                   aac_drivers[dev->cardtype].model);
1245         return len;
1246 }
1247
1248 static ssize_t aac_show_vendor(struct device *device,
1249                                struct device_attribute *attr, char *buf)
1250 {
1251         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1252         struct aac_supplement_adapter_info *sup_adap_info;
1253         int len;
1254
1255         sup_adap_info = &dev->supplement_adapter_info;
1256         if (sup_adap_info->adapter_type_text[0]) {
1257                 char *cp = sup_adap_info->adapter_type_text;
1258                 while (*cp && *cp != ' ')
1259                         ++cp;
1260                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1261                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1262                                         sup_adap_info->adapter_type_text);
1263         } else
1264                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1265                         aac_drivers[dev->cardtype].vname);
1266         return len;
1267 }
1268
1269 static ssize_t aac_show_flags(struct device *cdev,
1270                               struct device_attribute *attr, char *buf)
1271 {
1272         int len = 0;
1273         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1274
1275         if (nblank(dprintk(x)))
1276                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1277 #ifdef AAC_DETAILED_STATUS_INFO
1278         len += snprintf(buf + len, PAGE_SIZE - len,
1279                         "AAC_DETAILED_STATUS_INFO\n");
1280 #endif
1281         if (dev->raw_io_interface && dev->raw_io_64)
1282                 len += snprintf(buf + len, PAGE_SIZE - len,
1283                                 "SAI_READ_CAPACITY_16\n");
1284         if (dev->jbod)
1285                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1286         if (dev->supplement_adapter_info.supported_options2 &
1287                 AAC_OPTION_POWER_MANAGEMENT)
1288                 len += snprintf(buf + len, PAGE_SIZE - len,
1289                                 "SUPPORTED_POWER_MANAGEMENT\n");
1290         if (dev->msi)
1291                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1292         return len;
1293 }
1294
1295 static ssize_t aac_show_kernel_version(struct device *device,
1296                                        struct device_attribute *attr,
1297                                        char *buf)
1298 {
1299         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1300         int len, tmp;
1301
1302         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1303         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1304           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1305           le32_to_cpu(dev->adapter_info.kernelbuild));
1306         return len;
1307 }
1308
1309 static ssize_t aac_show_monitor_version(struct device *device,
1310                                         struct device_attribute *attr,
1311                                         char *buf)
1312 {
1313         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1314         int len, tmp;
1315
1316         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1317         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1318           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1319           le32_to_cpu(dev->adapter_info.monitorbuild));
1320         return len;
1321 }
1322
1323 static ssize_t aac_show_bios_version(struct device *device,
1324                                      struct device_attribute *attr,
1325                                      char *buf)
1326 {
1327         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1328         int len, tmp;
1329
1330         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1331         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1332           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1333           le32_to_cpu(dev->adapter_info.biosbuild));
1334         return len;
1335 }
1336
1337 static ssize_t aac_show_driver_version(struct device *device,
1338                                         struct device_attribute *attr,
1339                                         char *buf)
1340 {
1341         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1342 }
1343
1344 static ssize_t aac_show_serial_number(struct device *device,
1345                                struct device_attribute *attr, char *buf)
1346 {
1347         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1348         int len = 0;
1349
1350         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1351                 len = snprintf(buf, 16, "%06X\n",
1352                   le32_to_cpu(dev->adapter_info.serial[0]));
1353         if (len &&
1354           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1355             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1356           buf, len-1))
1357                 len = snprintf(buf, 16, "%.*s\n",
1358                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1359                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1360
1361         return min(len, 16);
1362 }
1363
1364 static ssize_t aac_show_max_channel(struct device *device,
1365                                     struct device_attribute *attr, char *buf)
1366 {
1367         return snprintf(buf, PAGE_SIZE, "%d\n",
1368           class_to_shost(device)->max_channel);
1369 }
1370
1371 static ssize_t aac_show_max_id(struct device *device,
1372                                struct device_attribute *attr, char *buf)
1373 {
1374         return snprintf(buf, PAGE_SIZE, "%d\n",
1375           class_to_shost(device)->max_id);
1376 }
1377
1378 static ssize_t aac_store_reset_adapter(struct device *device,
1379                                        struct device_attribute *attr,
1380                                        const char *buf, size_t count)
1381 {
1382         int retval = -EACCES;
1383
1384         if (!capable(CAP_SYS_ADMIN))
1385                 return retval;
1386
1387         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1388                                         buf[0] == '!', IOP_HWSOFT_RESET);
1389         if (retval >= 0)
1390                 retval = count;
1391
1392         return retval;
1393 }
1394
1395 static ssize_t aac_show_reset_adapter(struct device *device,
1396                                       struct device_attribute *attr,
1397                                       char *buf)
1398 {
1399         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1400         int len, tmp;
1401
1402         tmp = aac_adapter_check_health(dev);
1403         if ((tmp == 0) && dev->in_reset)
1404                 tmp = -EBUSY;
1405         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1406         return len;
1407 }
1408
1409 static struct device_attribute aac_model = {
1410         .attr = {
1411                 .name = "model",
1412                 .mode = S_IRUGO,
1413         },
1414         .show = aac_show_model,
1415 };
1416 static struct device_attribute aac_vendor = {
1417         .attr = {
1418                 .name = "vendor",
1419                 .mode = S_IRUGO,
1420         },
1421         .show = aac_show_vendor,
1422 };
1423 static struct device_attribute aac_flags = {
1424         .attr = {
1425                 .name = "flags",
1426                 .mode = S_IRUGO,
1427         },
1428         .show = aac_show_flags,
1429 };
1430 static struct device_attribute aac_kernel_version = {
1431         .attr = {
1432                 .name = "hba_kernel_version",
1433                 .mode = S_IRUGO,
1434         },
1435         .show = aac_show_kernel_version,
1436 };
1437 static struct device_attribute aac_monitor_version = {
1438         .attr = {
1439                 .name = "hba_monitor_version",
1440                 .mode = S_IRUGO,
1441         },
1442         .show = aac_show_monitor_version,
1443 };
1444 static struct device_attribute aac_bios_version = {
1445         .attr = {
1446                 .name = "hba_bios_version",
1447                 .mode = S_IRUGO,
1448         },
1449         .show = aac_show_bios_version,
1450 };
1451 static struct device_attribute aac_lld_version = {
1452         .attr = {
1453                 .name = "driver_version",
1454                 .mode = 0444,
1455         },
1456         .show = aac_show_driver_version,
1457 };
1458 static struct device_attribute aac_serial_number = {
1459         .attr = {
1460                 .name = "serial_number",
1461                 .mode = S_IRUGO,
1462         },
1463         .show = aac_show_serial_number,
1464 };
1465 static struct device_attribute aac_max_channel = {
1466         .attr = {
1467                 .name = "max_channel",
1468                 .mode = S_IRUGO,
1469         },
1470         .show = aac_show_max_channel,
1471 };
1472 static struct device_attribute aac_max_id = {
1473         .attr = {
1474                 .name = "max_id",
1475                 .mode = S_IRUGO,
1476         },
1477         .show = aac_show_max_id,
1478 };
1479 static struct device_attribute aac_reset = {
1480         .attr = {
1481                 .name = "reset_host",
1482                 .mode = S_IWUSR|S_IRUGO,
1483         },
1484         .store = aac_store_reset_adapter,
1485         .show = aac_show_reset_adapter,
1486 };
1487
1488 static struct device_attribute *aac_attrs[] = {
1489         &aac_model,
1490         &aac_vendor,
1491         &aac_flags,
1492         &aac_kernel_version,
1493         &aac_monitor_version,
1494         &aac_bios_version,
1495         &aac_lld_version,
1496         &aac_serial_number,
1497         &aac_max_channel,
1498         &aac_max_id,
1499         &aac_reset,
1500         NULL
1501 };
1502
1503 ssize_t aac_get_serial_number(struct device *device, char *buf)
1504 {
1505         return aac_show_serial_number(device, &aac_serial_number, buf);
1506 }
1507
1508 static const struct file_operations aac_cfg_fops = {
1509         .owner          = THIS_MODULE,
1510         .unlocked_ioctl = aac_cfg_ioctl,
1511 #ifdef CONFIG_COMPAT
1512         .compat_ioctl   = aac_compat_cfg_ioctl,
1513 #endif
1514         .open           = aac_cfg_open,
1515         .llseek         = noop_llseek,
1516 };
1517
1518 static struct scsi_host_template aac_driver_template = {
1519         .module                         = THIS_MODULE,
1520         .name                           = "AAC",
1521         .proc_name                      = AAC_DRIVERNAME,
1522         .info                           = aac_info,
1523         .ioctl                          = aac_ioctl,
1524 #ifdef CONFIG_COMPAT
1525         .compat_ioctl                   = aac_compat_ioctl,
1526 #endif
1527         .queuecommand                   = aac_queuecommand,
1528         .bios_param                     = aac_biosparm,
1529         .shost_attrs                    = aac_attrs,
1530         .slave_configure                = aac_slave_configure,
1531         .change_queue_depth             = aac_change_queue_depth,
1532         .sdev_attrs                     = aac_dev_attrs,
1533         .eh_abort_handler               = aac_eh_abort,
1534         .eh_device_reset_handler        = aac_eh_dev_reset,
1535         .eh_target_reset_handler        = aac_eh_target_reset,
1536         .eh_bus_reset_handler           = aac_eh_bus_reset,
1537         .eh_host_reset_handler          = aac_eh_host_reset,
1538         .can_queue                      = AAC_NUM_IO_FIB,
1539         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1540         .sg_tablesize                   = 16,
1541         .max_sectors                    = 128,
1542 #if (AAC_NUM_IO_FIB > 256)
1543         .cmd_per_lun                    = 256,
1544 #else
1545         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1546 #endif
1547         .emulated                       = 1,
1548         .no_write_same                  = 1,
1549 };
1550
1551 static void __aac_shutdown(struct aac_dev * aac)
1552 {
1553         int i;
1554
1555         mutex_lock(&aac->ioctl_mutex);
1556         aac->adapter_shutdown = 1;
1557         mutex_unlock(&aac->ioctl_mutex);
1558
1559         if (aac->aif_thread) {
1560                 int i;
1561                 /* Clear out events first */
1562                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1563                         struct fib *fib = &aac->fibs[i];
1564                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1565                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1566                                 complete(&fib->event_wait);
1567                 }
1568                 kthread_stop(aac->thread);
1569                 aac->thread = NULL;
1570         }
1571
1572         aac_send_shutdown(aac);
1573
1574         aac_adapter_disable_int(aac);
1575
1576         if (aac_is_src(aac)) {
1577                 if (aac->max_msix > 1) {
1578                         for (i = 0; i < aac->max_msix; i++) {
1579                                 free_irq(pci_irq_vector(aac->pdev, i),
1580                                          &(aac->aac_msix[i]));
1581                         }
1582                 } else {
1583                         free_irq(aac->pdev->irq,
1584                                  &(aac->aac_msix[0]));
1585                 }
1586         } else {
1587                 free_irq(aac->pdev->irq, aac);
1588         }
1589         if (aac->msi)
1590                 pci_disable_msi(aac->pdev);
1591         else if (aac->max_msix > 1)
1592                 pci_disable_msix(aac->pdev);
1593 }
1594 static void aac_init_char(void)
1595 {
1596         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1597         if (aac_cfg_major < 0) {
1598                 pr_err("aacraid: unable to register \"aac\" device.\n");
1599         }
1600 }
1601
1602 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1603 {
1604         unsigned index = id->driver_data;
1605         struct Scsi_Host *shost;
1606         struct aac_dev *aac;
1607         struct list_head *insert = &aac_devices;
1608         int error = -ENODEV;
1609         int unique_id = 0;
1610         u64 dmamask;
1611         int mask_bits = 0;
1612         extern int aac_sync_mode;
1613
1614         /*
1615          * Only series 7 needs freset.
1616          */
1617         if (pdev->device == PMC_DEVICE_S7)
1618                 pdev->needs_freset = 1;
1619
1620         list_for_each_entry(aac, &aac_devices, entry) {
1621                 if (aac->id > unique_id)
1622                         break;
1623                 insert = &aac->entry;
1624                 unique_id++;
1625         }
1626
1627         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1628                                PCIE_LINK_STATE_CLKPM);
1629
1630         error = pci_enable_device(pdev);
1631         if (error)
1632                 goto out;
1633         error = -ENODEV;
1634
1635         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1636                 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1637                 if (error) {
1638                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1639                         goto out_disable_pdev;
1640                 }
1641         }
1642
1643         /*
1644          * If the quirk31 bit is set, the adapter needs adapter
1645          * to driver communication memory to be allocated below 2gig
1646          */
1647         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1648                 dmamask = DMA_BIT_MASK(31);
1649                 mask_bits = 31;
1650         } else {
1651                 dmamask = DMA_BIT_MASK(32);
1652                 mask_bits = 32;
1653         }
1654
1655         error = pci_set_consistent_dma_mask(pdev, dmamask);
1656         if (error) {
1657                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1658                                 , mask_bits);
1659                 goto out_disable_pdev;
1660         }
1661
1662         pci_set_master(pdev);
1663
1664         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1665         if (!shost)
1666                 goto out_disable_pdev;
1667
1668         shost->irq = pdev->irq;
1669         shost->unique_id = unique_id;
1670         shost->max_cmd_len = 16;
1671         shost->use_cmd_list = 1;
1672
1673         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1674                 aac_init_char();
1675
1676         aac = (struct aac_dev *)shost->hostdata;
1677         aac->base_start = pci_resource_start(pdev, 0);
1678         aac->scsi_host_ptr = shost;
1679         aac->pdev = pdev;
1680         aac->name = aac_driver_template.name;
1681         aac->id = shost->unique_id;
1682         aac->cardtype = index;
1683         INIT_LIST_HEAD(&aac->entry);
1684
1685         if (aac_reset_devices || reset_devices)
1686                 aac->init_reset = true;
1687
1688         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1689                             sizeof(struct fib),
1690                             GFP_KERNEL);
1691         if (!aac->fibs)
1692                 goto out_free_host;
1693         spin_lock_init(&aac->fib_lock);
1694
1695         mutex_init(&aac->ioctl_mutex);
1696         mutex_init(&aac->scan_mutex);
1697
1698         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1699         /*
1700          *      Map in the registers from the adapter.
1701          */
1702         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1703         if ((*aac_drivers[index].init)(aac)) {
1704                 error = -ENODEV;
1705                 goto out_unmap;
1706         }
1707
1708         if (aac->sync_mode) {
1709                 if (aac_sync_mode)
1710                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1711                                 "by driver parameter. This will cause "
1712                                 "a significant performance decrease!\n",
1713                                 aac->name,
1714                                 aac->id);
1715                 else
1716                         printk(KERN_INFO "%s%d: Async. mode not supported "
1717                                 "by current driver, sync. mode enforced."
1718                                 "\nPlease update driver to get full performance.\n",
1719                                 aac->name,
1720                                 aac->id);
1721         }
1722
1723         /*
1724          *      Start any kernel threads needed
1725          */
1726         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1727         if (IS_ERR(aac->thread)) {
1728                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1729                 error = PTR_ERR(aac->thread);
1730                 aac->thread = NULL;
1731                 goto out_deinit;
1732         }
1733
1734         aac->maximum_num_channels = aac_drivers[index].channels;
1735         error = aac_get_adapter_info(aac);
1736         if (error < 0)
1737                 goto out_deinit;
1738
1739         /*
1740          * Lets override negotiations and drop the maximum SG limit to 34
1741          */
1742         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1743                         (shost->sg_tablesize > 34)) {
1744                 shost->sg_tablesize = 34;
1745                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1746         }
1747
1748         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1749                         (shost->sg_tablesize > 17)) {
1750                 shost->sg_tablesize = 17;
1751                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1752         }
1753
1754         error = dma_set_max_seg_size(&pdev->dev,
1755                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1756                         (shost->max_sectors << 9) : 65536);
1757         if (error)
1758                 goto out_deinit;
1759
1760         /*
1761          * Firmware printf works only with older firmware.
1762          */
1763         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1764                 aac->printf_enabled = 1;
1765         else
1766                 aac->printf_enabled = 0;
1767
1768         /*
1769          * max channel will be the physical channels plus 1 virtual channel
1770          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1771          * physical channels are address by their actual physical number+1
1772          */
1773         if (aac->nondasd_support || expose_physicals || aac->jbod)
1774                 shost->max_channel = aac->maximum_num_channels;
1775         else
1776                 shost->max_channel = 0;
1777
1778         aac_get_config_status(aac, 0);
1779         aac_get_containers(aac);
1780         list_add(&aac->entry, insert);
1781
1782         shost->max_id = aac->maximum_num_containers;
1783         if (shost->max_id < aac->maximum_num_physicals)
1784                 shost->max_id = aac->maximum_num_physicals;
1785         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1786                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1787         else
1788                 shost->this_id = shost->max_id;
1789
1790         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1791                 aac_intr_normal(aac, 0, 2, 0, NULL);
1792
1793         /*
1794          * dmb - we may need to move the setting of these parms somewhere else once
1795          * we get a fib that can report the actual numbers
1796          */
1797         shost->max_lun = AAC_MAX_LUN;
1798
1799         pci_set_drvdata(pdev, shost);
1800
1801         error = scsi_add_host(shost, &pdev->dev);
1802         if (error)
1803                 goto out_deinit;
1804
1805         aac_scan_host(aac);
1806
1807         pci_enable_pcie_error_reporting(pdev);
1808         pci_save_state(pdev);
1809
1810         return 0;
1811
1812  out_deinit:
1813         __aac_shutdown(aac);
1814  out_unmap:
1815         aac_fib_map_free(aac);
1816         if (aac->comm_addr)
1817                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1818                                   aac->comm_addr, aac->comm_phys);
1819         kfree(aac->queues);
1820         aac_adapter_ioremap(aac, 0);
1821         kfree(aac->fibs);
1822         kfree(aac->fsa_dev);
1823  out_free_host:
1824         scsi_host_put(shost);
1825  out_disable_pdev:
1826         pci_disable_device(pdev);
1827  out:
1828         return error;
1829 }
1830
1831 static void aac_release_resources(struct aac_dev *aac)
1832 {
1833         aac_adapter_disable_int(aac);
1834         aac_free_irq(aac);
1835 }
1836
1837 static int aac_acquire_resources(struct aac_dev *dev)
1838 {
1839         unsigned long status;
1840         /*
1841          *      First clear out all interrupts.  Then enable the one's that we
1842          *      can handle.
1843          */
1844         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1845                 || status == 0xffffffff)
1846                         msleep(20);
1847
1848         aac_adapter_disable_int(dev);
1849         aac_adapter_enable_int(dev);
1850
1851
1852         if (aac_is_src(dev))
1853                 aac_define_int_mode(dev);
1854
1855         if (dev->msi_enabled)
1856                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1857
1858         if (aac_acquire_irq(dev))
1859                 goto error_iounmap;
1860
1861         aac_adapter_enable_int(dev);
1862
1863         /*max msix may change  after EEH
1864          * Re-assign vectors to fibs
1865          */
1866         aac_fib_vector_assign(dev);
1867
1868         if (!dev->sync_mode) {
1869                 /* After EEH recovery or suspend resume, max_msix count
1870                  * may change, therefore updating in init as well.
1871                  */
1872                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1873                 aac_adapter_start(dev);
1874         }
1875         return 0;
1876
1877 error_iounmap:
1878         return -1;
1879
1880 }
1881
1882 #if (defined(CONFIG_PM))
1883 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1884 {
1885
1886         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1887         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1888
1889         scsi_block_requests(shost);
1890         aac_cancel_safw_rescan_worker(aac);
1891         aac_send_shutdown(aac);
1892
1893         aac_release_resources(aac);
1894
1895         pci_set_drvdata(pdev, shost);
1896         pci_save_state(pdev);
1897         pci_disable_device(pdev);
1898         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1899
1900         return 0;
1901 }
1902
1903 static int aac_resume(struct pci_dev *pdev)
1904 {
1905         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1906         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1907         int r;
1908
1909         pci_set_power_state(pdev, PCI_D0);
1910         pci_enable_wake(pdev, PCI_D0, 0);
1911         pci_restore_state(pdev);
1912         r = pci_enable_device(pdev);
1913
1914         if (r)
1915                 goto fail_device;
1916
1917         pci_set_master(pdev);
1918         if (aac_acquire_resources(aac))
1919                 goto fail_device;
1920         /*
1921         * reset this flag to unblock ioctl() as it was set at
1922         * aac_send_shutdown() to block ioctls from upperlayer
1923         */
1924         aac->adapter_shutdown = 0;
1925         scsi_unblock_requests(shost);
1926
1927         return 0;
1928
1929 fail_device:
1930         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1931         scsi_host_put(shost);
1932         pci_disable_device(pdev);
1933         return -ENODEV;
1934 }
1935 #endif
1936
1937 static void aac_shutdown(struct pci_dev *dev)
1938 {
1939         struct Scsi_Host *shost = pci_get_drvdata(dev);
1940         scsi_block_requests(shost);
1941         __aac_shutdown((struct aac_dev *)shost->hostdata);
1942 }
1943
1944 static void aac_remove_one(struct pci_dev *pdev)
1945 {
1946         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1947         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1948
1949         aac_cancel_safw_rescan_worker(aac);
1950         scsi_remove_host(shost);
1951
1952         __aac_shutdown(aac);
1953         aac_fib_map_free(aac);
1954         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1955                           aac->comm_phys);
1956         kfree(aac->queues);
1957
1958         aac_adapter_ioremap(aac, 0);
1959
1960         kfree(aac->fibs);
1961         kfree(aac->fsa_dev);
1962
1963         list_del(&aac->entry);
1964         scsi_host_put(shost);
1965         pci_disable_device(pdev);
1966         if (list_empty(&aac_devices)) {
1967                 unregister_chrdev(aac_cfg_major, "aac");
1968                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1969         }
1970 }
1971
1972 static void aac_flush_ios(struct aac_dev *aac)
1973 {
1974         int i;
1975         struct scsi_cmnd *cmd;
1976
1977         for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1978                 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1979                 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1980                         scsi_dma_unmap(cmd);
1981
1982                         if (aac->handle_pci_error)
1983                                 cmd->result = DID_NO_CONNECT << 16;
1984                         else
1985                                 cmd->result = DID_RESET << 16;
1986
1987                         cmd->scsi_done(cmd);
1988                 }
1989         }
1990 }
1991
1992 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1993                                         enum pci_channel_state error)
1994 {
1995         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1996         struct aac_dev *aac = shost_priv(shost);
1997
1998         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1999
2000         switch (error) {
2001         case pci_channel_io_normal:
2002                 return PCI_ERS_RESULT_CAN_RECOVER;
2003         case pci_channel_io_frozen:
2004                 aac->handle_pci_error = 1;
2005
2006                 scsi_block_requests(aac->scsi_host_ptr);
2007                 aac_cancel_safw_rescan_worker(aac);
2008                 aac_flush_ios(aac);
2009                 aac_release_resources(aac);
2010
2011                 pci_disable_pcie_error_reporting(pdev);
2012                 aac_adapter_ioremap(aac, 0);
2013
2014                 return PCI_ERS_RESULT_NEED_RESET;
2015         case pci_channel_io_perm_failure:
2016                 aac->handle_pci_error = 1;
2017
2018                 aac_flush_ios(aac);
2019                 return PCI_ERS_RESULT_DISCONNECT;
2020         }
2021
2022         return PCI_ERS_RESULT_NEED_RESET;
2023 }
2024
2025 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2026 {
2027         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2028         return PCI_ERS_RESULT_NEED_RESET;
2029 }
2030
2031 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2032 {
2033         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2034         pci_restore_state(pdev);
2035         if (pci_enable_device(pdev)) {
2036                 dev_warn(&pdev->dev,
2037                         "aacraid: failed to enable slave\n");
2038                 goto fail_device;
2039         }
2040
2041         pci_set_master(pdev);
2042
2043         if (pci_enable_device_mem(pdev)) {
2044                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2045                 goto fail_device;
2046         }
2047
2048         return PCI_ERS_RESULT_RECOVERED;
2049
2050 fail_device:
2051         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2052         return PCI_ERS_RESULT_DISCONNECT;
2053 }
2054
2055
2056 static void aac_pci_resume(struct pci_dev *pdev)
2057 {
2058         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2059         struct scsi_device *sdev = NULL;
2060         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2061
2062         if (aac_adapter_ioremap(aac, aac->base_size)) {
2063
2064                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2065                 /* remap failed, go back ... */
2066                 aac->comm_interface = AAC_COMM_PRODUCER;
2067                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2068                         dev_warn(&pdev->dev,
2069                                 "aacraid: unable to map adapter.\n");
2070
2071                         return;
2072                 }
2073         }
2074
2075         msleep(10000);
2076
2077         aac_acquire_resources(aac);
2078
2079         /*
2080          * reset this flag to unblock ioctl() as it was set
2081          * at aac_send_shutdown() to block ioctls from upperlayer
2082          */
2083         aac->adapter_shutdown = 0;
2084         aac->handle_pci_error = 0;
2085
2086         shost_for_each_device(sdev, shost)
2087                 if (sdev->sdev_state == SDEV_OFFLINE)
2088                         sdev->sdev_state = SDEV_RUNNING;
2089         scsi_unblock_requests(aac->scsi_host_ptr);
2090         aac_scan_host(aac);
2091         pci_save_state(pdev);
2092
2093         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2094 }
2095
2096 static struct pci_error_handlers aac_pci_err_handler = {
2097         .error_detected         = aac_pci_error_detected,
2098         .mmio_enabled           = aac_pci_mmio_enabled,
2099         .slot_reset             = aac_pci_slot_reset,
2100         .resume                 = aac_pci_resume,
2101 };
2102
2103 static struct pci_driver aac_pci_driver = {
2104         .name           = AAC_DRIVERNAME,
2105         .id_table       = aac_pci_tbl,
2106         .probe          = aac_probe_one,
2107         .remove         = aac_remove_one,
2108 #if (defined(CONFIG_PM))
2109         .suspend        = aac_suspend,
2110         .resume         = aac_resume,
2111 #endif
2112         .shutdown       = aac_shutdown,
2113         .err_handler    = &aac_pci_err_handler,
2114 };
2115
2116 static int __init aac_init(void)
2117 {
2118         int error;
2119
2120         printk(KERN_INFO "Adaptec %s driver %s\n",
2121           AAC_DRIVERNAME, aac_driver_version);
2122
2123         error = pci_register_driver(&aac_pci_driver);
2124         if (error < 0)
2125                 return error;
2126
2127         aac_init_char();
2128
2129
2130         return 0;
2131 }
2132
2133 static void __exit aac_exit(void)
2134 {
2135         if (aac_cfg_major > -1)
2136                 unregister_chrdev(aac_cfg_major, "aac");
2137         pci_unregister_driver(&aac_pci_driver);
2138 }
2139
2140 module_init(aac_init);
2141 module_exit(aac_exit);