drivers/scsi/aacraid/linit.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *      Adaptec AAC series RAID controller driver
   4  *      (c) Copyright 2001 Red Hat Inc.
   5  *
   6  * based on the old aacraid driver that is..
   7  * Adaptec aacraid device driver for Linux.
   8  *
   9  * Copyright (c) 2000-2010 Adaptec, Inc.
  10  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  11  *               2016-2017 Microsemi Corp. (aacraid@microsemi.com)
  12  *
  13  * Module Name:
  14  *   linit.c
  15  *
  16  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  17  */
  18
  19
  20 #include <linux/compat.h>
  21 #include <linux/blkdev.h>
  22 #include <linux/completion.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/kernel.h>
  26 #include <linux/module.h>
  27 #include <linux/moduleparam.h>
  28 #include <linux/pci.h>
  29 #include <linux/aer.h>
  30 #include <linux/slab.h>
  31 #include <linux/mutex.h>
  32 #include <linux/spinlock.h>
  33 #include <linux/syscalls.h>
  34 #include <linux/delay.h>
  35 #include <linux/kthread.h>
  36 #include <linux/msdos_partition.h>
  37
  38 #include <scsi/scsi.h>
  39 #include <scsi/scsi_cmnd.h>
  40 #include <scsi/scsi_device.h>
  41 #include <scsi/scsi_host.h>
  42 #include <scsi/scsi_tcq.h>
  43 #include <scsi/scsicam.h>
  44 #include <scsi/scsi_eh.h>
  45
  46 #include "aacraid.h"
  47
  48 #define AAC_DRIVER_VERSION              "1.2.1"
  49 #ifndef AAC_DRIVER_BRANCH
  50 #define AAC_DRIVER_BRANCH               ""
  51 #endif
  52 #define AAC_DRIVERNAME                  "aacraid"
  53
  54 #ifdef AAC_DRIVER_BUILD
  55 #define _str(x) #x
  56 #define str(x) _str(x)
  57 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  58 #else
  59 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  60 #endif
  61
  62 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  64                    "Adaptec Advanced Raid Products, "
  65                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  66 MODULE_LICENSE("GPL");
  67 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  68
  69 static DEFINE_MUTEX(aac_mutex);
  70 static LIST_HEAD(aac_devices);
  71 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  72 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  73
  74 /*
  75  * Because of the way Linux names scsi devices, the order in this table has
  76  * become important.  Check for on-board Raid first, add-in cards second.
  77  *
  78  * Note: The last field is used to index into aac_drivers below.
  79  */
  80 static const struct pci_device_id aac_pci_tbl[] = {
  81         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  82         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  83         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  84         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  85         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  86         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  87         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  88         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  89         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
  90         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
  91         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
  92         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
  93         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
  94         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
  95         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
  96         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
  97
  98         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
  99         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 100         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 101         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 102         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 103         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 104         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 105         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 106         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 107         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 108         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 109         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 110         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 111         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 112         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 113         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 114         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 115         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 116         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 117         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 118         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 119         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 120         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 121         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 122         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 123         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 124         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 125         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 126         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 127         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 128         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 129         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 130         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 131         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 132         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 133         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 134         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 135         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 136
 137         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 138         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 139         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 140         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 141         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 142
 143         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 144         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 145         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 146         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 147         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 148         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 149         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 150         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 151         { 0,}
 152 };
 153 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 154
 155 /*
 156  * dmb - For now we add the number of channels to this structure.
 157  * In the future we should add a fib that reports the number of channels
 158  * for the card.  At that time we can remove the channels from here
 159  */
 160 static struct aac_driver_ident aac_drivers[] = {
 161         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 162         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 163         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 164         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 165         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 166         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 169         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 170         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 171         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 172         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 173         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 174         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 175         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 176         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 177
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 180         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 181         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 182         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 183         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 184         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 185         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 186         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 187         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 188         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 190         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 191         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 192         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 193         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 194         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 195         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 197         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 198         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 199         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 200         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 201         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 202         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 205         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 206         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 207         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 208         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 209         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 213         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 214
 215         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 216         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 217         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 218         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 219         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 220
 221         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 222         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 224         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 225         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 226         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
 227         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
 228         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
 229 };
 230
 231 /**
 232  *      aac_queuecommand        -       queue a SCSI command
 233  *      @cmd:           SCSI command to queue
 234  *      @done:          Function to call on command completion
 235  *
 236  *      Queues a command for execution by the associated Host Adapter.
 237  *
 238  *      TODO: unify with aac_scsi_cmd().
 239  */
 240
 241 static int aac_queuecommand(struct Scsi_Host *shost,
 242                             struct scsi_cmnd *cmd)
 243 {
 244         int r = 0;
 245         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 246         r = (aac_scsi_cmd(cmd) ? FAILED : 0);
 247         return r;
 248 }
 249
 250 /**
 251  *      aac_info                -       Returns the host adapter name
 252  *      @shost:         Scsi host to report on
 253  *
 254  *      Returns a static string describing the device in question
 255  */
 256
 257 static const char *aac_info(struct Scsi_Host *shost)
 258 {
 259         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 260         return aac_drivers[dev->cardtype].name;
 261 }
 262
 263 /**
 264  *      aac_get_driver_ident
 265  *      @devtype: index into lookup table
 266  *
 267  *      Returns a pointer to the entry in the driver lookup table.
 268  */
 269
 270 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 271 {
 272         return &aac_drivers[devtype];
 273 }
 274
 275 /**
 276  *      aac_biosparm    -       return BIOS parameters for disk
 277  *      @sdev: The scsi device corresponding to the disk
 278  *      @bdev: the block device corresponding to the disk
 279  *      @capacity: the sector capacity of the disk
 280  *      @geom: geometry block to fill in
 281  *
 282  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 283  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 284  *      number of cylinders so as not to exceed drive capacity.  In order for
 285  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 286  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 287  *      Translation should be enabled.   With Extended Translation enabled,
 288  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 289  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 290  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 291  *      the BIOS detects that the Extended Translation setting does not match
 292  *      the geometry in the partition table, then the translation inferred
 293  *      from the partition table will be used by the BIOS, and a warning may
 294  *      be displayed.
 295  */
 296
 297 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 298                         sector_t capacity, int *geom)
 299 {
 300         struct diskparm *param = (struct diskparm *)geom;
 301         unsigned char *buf;
 302
 303         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 304
 305         /*
 306          *      Assuming extended translation is enabled - #REVISIT#
 307          */
 308         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 309                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 310                         param->heads = 255;
 311                         param->sectors = 63;
 312                 } else {
 313                         param->heads = 128;
 314                         param->sectors = 32;
 315                 }
 316         } else {
 317                 param->heads = 64;
 318                 param->sectors = 32;
 319         }
 320
 321         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 322
 323         /*
 324          *      Read the first 1024 bytes from the disk device, if the boot
 325          *      sector partition table is valid, search for a partition table
 326          *      entry whose end_head matches one of the standard geometry
 327          *      translations ( 64/32, 128/32, 255/63 ).
 328          */
 329         buf = scsi_bios_ptable(bdev);
 330         if (!buf)
 331                 return 0;
 332         if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
 333                 struct msdos_partition *first = (struct msdos_partition *)buf;
 334                 struct msdos_partition *entry = first;
 335                 int saved_cylinders = param->cylinders;
 336                 int num;
 337                 unsigned char end_head, end_sec;
 338
 339                 for(num = 0; num < 4; num++) {
 340                         end_head = entry->end_head;
 341                         end_sec = entry->end_sector & 0x3f;
 342
 343                         if(end_head == 63) {
 344                                 param->heads = 64;
 345                                 param->sectors = 32;
 346                                 break;
 347                         } else if(end_head == 127) {
 348                                 param->heads = 128;
 349                                 param->sectors = 32;
 350                                 break;
 351                         } else if(end_head == 254) {
 352                                 param->heads = 255;
 353                                 param->sectors = 63;
 354                                 break;
 355                         }
 356                         entry++;
 357                 }
 358
 359                 if (num == 4) {
 360                         end_head = first->end_head;
 361                         end_sec = first->end_sector & 0x3f;
 362                 }
 363
 364                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 365                 if (num < 4 && end_sec == param->sectors) {
 366                         if (param->cylinders != saved_cylinders)
 367                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 368                                         param->heads, param->sectors, num));
 369                 } else if (end_head > 0 || end_sec > 0) {
 370                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 371                                 end_head + 1, end_sec, num));
 372                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 373                                         param->heads, param->sectors));
 374                 }
 375         }
 376         kfree(buf);
 377         return 0;
 378 }
 379
 380 /**
 381  *      aac_slave_configure             -       compute queue depths
 382  *      @sdev:  SCSI device we are considering
 383  *
 384  *      Selects queue depths for each target device based on the host adapter's
 385  *      total capacity and the queue depth supported by the target device.
 386  *      A queue depth of one automatically disables tagged queueing.
 387  */
 388
 389 static int aac_slave_configure(struct scsi_device *sdev)
 390 {
 391         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 392         int chn, tid;
 393         unsigned int depth = 0;
 394         unsigned int set_timeout = 0;
 395         int timeout = 0;
 396         bool set_qd_dev_type = false;
 397         u8 devtype = 0;
 398
 399         chn = aac_logical_to_phys(sdev_channel(sdev));
 400         tid = sdev_id(sdev);
 401         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 402                 devtype = aac->hba_map[chn][tid].devtype;
 403
 404                 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
 405                         depth = aac->hba_map[chn][tid].qd_limit;
 406                         set_timeout = 1;
 407                         goto common_config;
 408                 }
 409                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 410                         set_qd_dev_type = true;
 411                         set_timeout = 1;
 412                         goto common_config;
 413                 }
 414         }
 415
 416         if (aac->jbod && (sdev->type == TYPE_DISK))
 417                 sdev->removable = 1;
 418
 419         if (sdev->type == TYPE_DISK
 420          && sdev_channel(sdev) != CONTAINER_CHANNEL
 421          && (!aac->jbod || sdev->inq_periph_qual)
 422          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 423
 424                 if (expose_physicals == 0)
 425                         return -ENXIO;
 426
 427                 if (expose_physicals < 0)
 428                         sdev->no_uld_attach = 1;
 429         }
 430
 431         if (sdev->tagged_supported
 432          &&  sdev->type == TYPE_DISK
 433          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 434          && !sdev->no_uld_attach) {
 435
 436                 struct scsi_device * dev;
 437                 struct Scsi_Host *host = sdev->host;
 438                 unsigned num_lsu = 0;
 439                 unsigned num_one = 0;
 440                 unsigned cid;
 441
 442                 set_timeout = 1;
 443
 444                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 445                         if (aac->fsa_dev[cid].valid)
 446                                 ++num_lsu;
 447
 448                 __shost_for_each_device(dev, host) {
 449                         if (dev->tagged_supported
 450                          && dev->type == TYPE_DISK
 451                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 452                          && !dev->no_uld_attach) {
 453                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 454                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 455                                         ++num_lsu;
 456                                 }
 457                         } else {
 458                                 ++num_one;
 459                         }
 460                 }
 461
 462                 if (num_lsu == 0)
 463                         ++num_lsu;
 464
 465                 depth = (host->can_queue - num_one) / num_lsu;
 466
 467                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 468                         goto common_config;
 469
 470                 set_qd_dev_type = true;
 471
 472         }
 473
 474 common_config:
 475
 476         /*
 477          * Check if SATA drive
 478          */
 479         if (set_qd_dev_type) {
 480                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 481                         depth = 32;
 482                 else
 483                         depth = 64;
 484         }
 485
 486         /*
 487          * Firmware has an individual device recovery time typically
 488          * of 35 seconds, give us a margin. Thor devices can take longer in
 489          * error recovery, hence different value.
 490          */
 491         if (set_timeout) {
 492                 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
 493                 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
 494         }
 495
 496         if (depth > 256)
 497                 depth = 256;
 498         else if (depth < 1)
 499                 depth = 1;
 500
 501         scsi_change_queue_depth(sdev, depth);
 502
 503         sdev->tagged_supported = 1;
 504
 505         return 0;
 506 }
 507
 508 /**
 509  *      aac_change_queue_depth          -       alter queue depths
 510  *      @sdev:  SCSI device we are considering
 511  *      @depth: desired queue depth
 512  *
 513  *      Alters queue depths for target device based on the host adapter's
 514  *      total capacity and the queue depth supported by the target device.
 515  */
 516
 517 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 518 {
 519         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 520         int chn, tid, is_native_device = 0;
 521
 522         chn = aac_logical_to_phys(sdev_channel(sdev));
 523         tid = sdev_id(sdev);
 524         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 525                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 526                 is_native_device = 1;
 527
 528         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 529             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 530                 struct scsi_device * dev;
 531                 struct Scsi_Host *host = sdev->host;
 532                 unsigned num = 0;
 533
 534                 __shost_for_each_device(dev, host) {
 535                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 536                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 537                                 ++num;
 538                         ++num;
 539                 }
 540                 if (num >= host->can_queue)
 541                         num = host->can_queue - 1;
 542                 if (depth > (host->can_queue - num))
 543                         depth = host->can_queue - num;
 544                 if (depth > 256)
 545                         depth = 256;
 546                 else if (depth < 2)
 547                         depth = 2;
 548                 return scsi_change_queue_depth(sdev, depth);
 549         } else if (is_native_device) {
 550                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 551         } else {
 552                 scsi_change_queue_depth(sdev, 1);
 553         }
 554         return sdev->queue_depth;
 555 }
 556
 557 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 558 {
 559         struct scsi_device *sdev = to_scsi_device(dev);
 560         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 561         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 562                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 563                   ? "Hidden\n" :
 564                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 565         return snprintf(buf, PAGE_SIZE, "%s\n",
 566           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 567 }
 568
 569 static struct device_attribute aac_raid_level_attr = {
 570         .attr = {
 571                 .name = "level",
 572                 .mode = S_IRUGO,
 573         },
 574         .show = aac_show_raid_level
 575 };
 576
 577 static ssize_t aac_show_unique_id(struct device *dev,
 578              struct device_attribute *attr, char *buf)
 579 {
 580         struct scsi_device *sdev = to_scsi_device(dev);
 581         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 582         unsigned char sn[16];
 583
 584         memset(sn, 0, sizeof(sn));
 585
 586         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 587                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 588
 589         return snprintf(buf, 16 * 2 + 2,
 590                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 591                 sn[0], sn[1], sn[2], sn[3],
 592                 sn[4], sn[5], sn[6], sn[7],
 593                 sn[8], sn[9], sn[10], sn[11],
 594                 sn[12], sn[13], sn[14], sn[15]);
 595 }
 596
 597 static struct device_attribute aac_unique_id_attr = {
 598         .attr = {
 599                 .name = "unique_id",
 600                 .mode = 0444,
 601         },
 602         .show = aac_show_unique_id
 603 };
 604
 605
 606
 607 static struct device_attribute *aac_dev_attrs[] = {
 608         &aac_raid_level_attr,
 609         &aac_unique_id_attr,
 610         NULL,
 611 };
 612
 613 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 614                      void __user *arg)
 615 {
 616         int retval;
 617         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 618         if (!capable(CAP_SYS_RAWIO))
 619                 return -EPERM;
 620         retval = aac_adapter_check_health(dev);
 621         if (retval)
 622                 return -EBUSY;
 623         return aac_do_ioctl(dev, cmd, arg);
 624 }
 625
 626 struct fib_count_data {
 627         int mlcnt;
 628         int llcnt;
 629         int ehcnt;
 630         int fwcnt;
 631         int krlcnt;
 632 };
 633
 634 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
 635 {
 636         struct fib_count_data *fib_count = data;
 637
 638         switch (scmnd->SCp.phase) {
 639         case AAC_OWNER_FIRMWARE:
 640                 fib_count->fwcnt++;
 641                 break;
 642         case AAC_OWNER_ERROR_HANDLER:
 643                 fib_count->ehcnt++;
 644                 break;
 645         case AAC_OWNER_LOWLEVEL:
 646                 fib_count->llcnt++;
 647                 break;
 648         case AAC_OWNER_MIDLEVEL:
 649                 fib_count->mlcnt++;
 650                 break;
 651         default:
 652                 fib_count->krlcnt++;
 653                 break;
 654         }
 655         return true;
 656 }
 657
 658 /* Called during SCSI EH, so we don't need to block requests */
 659 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 660 {
 661         struct Scsi_Host *shost = aac->scsi_host_ptr;
 662         struct device *ctrl_dev;
 663         struct fib_count_data fcnt = { };
 664
 665         scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
 666
 667         ctrl_dev = &aac->pdev->dev;
 668
 669         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
 670         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
 671         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
 672         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
 673         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
 674
 675         return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
 676 }
 677
 678 static int aac_eh_abort(struct scsi_cmnd* cmd)
 679 {
 680         struct scsi_device * dev = cmd->device;
 681         struct Scsi_Host * host = dev->host;
 682         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 683         int count, found;
 684         u32 bus, cid;
 685         int ret = FAILED;
 686
 687         if (aac_adapter_check_health(aac))
 688                 return ret;
 689
 690         bus = aac_logical_to_phys(scmd_channel(cmd));
 691         cid = scmd_id(cmd);
 692         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 693                 struct fib *fib;
 694                 struct aac_hba_tm_req *tmf;
 695                 int status;
 696                 u64 address;
 697
 698                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 699                  AAC_DRIVERNAME,
 700                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 701
 702                 found = 0;
 703                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 704                         fib = &aac->fibs[count];
 705                         if (*(u8 *)fib->hw_fib_va != 0 &&
 706                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 707                                 (fib->callback_data == cmd)) {
 708                                 found = 1;
 709                                 break;
 710                         }
 711                 }
 712                 if (!found)
 713                         return ret;
 714
 715                 /* start a HBA_TMF_ABORT_TASK TMF request */
 716                 fib = aac_fib_alloc(aac);
 717                 if (!fib)
 718                         return ret;
 719
 720                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 721                 memset(tmf, 0, sizeof(*tmf));
 722                 tmf->tmf = HBA_TMF_ABORT_TASK;
 723                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 724                 tmf->lun[1] = cmd->device->lun;
 725
 726                 address = (u64)fib->hw_error_pa;
 727                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 728                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 729                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 730
 731                 fib->hbacmd_size = sizeof(*tmf);
 732                 cmd->SCp.sent_command = 0;
 733
 734                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 735                                   (fib_callback) aac_hba_callback,
 736                                   (void *) cmd);
 737                 if (status != -EINPROGRESS) {
 738                         aac_fib_complete(fib);
 739                         aac_fib_free(fib);
 740                         return ret;
 741                 }
 742                 /* Wait up to 15 secs for completion */
 743                 for (count = 0; count < 15; ++count) {
 744                         if (cmd->SCp.sent_command) {
 745                                 ret = SUCCESS;
 746                                 break;
 747                         }
 748                         msleep(1000);
 749                 }
 750
 751                 if (ret != SUCCESS)
 752                         pr_err("%s: Host adapter abort request timed out\n",
 753                         AAC_DRIVERNAME);
 754         } else {
 755                 pr_err(
 756                         "%s: Host adapter abort request.\n"
 757                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 758                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 759                         host->host_no, sdev_channel(dev), sdev_id(dev),
 760                         (int)dev->lun);
 761                 switch (cmd->cmnd[0]) {
 762                 case SERVICE_ACTION_IN_16:
 763                         if (!(aac->raw_io_interface) ||
 764                             !(aac->raw_io_64) ||
 765                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 766                                 break;
 767                         /* fall through */
 768                 case INQUIRY:
 769                 case READ_CAPACITY:
 770                         /*
 771                          * Mark associated FIB to not complete,
 772                          * eh handler does this
 773                          */
 774                         for (count = 0;
 775                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 776                                 ++count) {
 777                                 struct fib *fib = &aac->fibs[count];
 778
 779                                 if (fib->hw_fib_va->header.XferState &&
 780                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 781                                 (fib->callback_data == cmd)) {
 782                                         fib->flags |=
 783                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 784                                         cmd->SCp.phase =
 785                                                 AAC_OWNER_ERROR_HANDLER;
 786                                         ret = SUCCESS;
 787                                 }
 788                         }
 789                         break;
 790                 case TEST_UNIT_READY:
 791                         /*
 792                          * Mark associated FIB to not complete,
 793                          * eh handler does this
 794                          */
 795                         for (count = 0;
 796                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 797                                 ++count) {
 798                                 struct scsi_cmnd *command;
 799                                 struct fib *fib = &aac->fibs[count];
 800
 801                                 command = fib->callback_data;
 802
 803                                 if ((fib->hw_fib_va->header.XferState &
 804                                         cpu_to_le32
 805                                         (Async | NoResponseExpected)) &&
 806                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 807                                         ((command)) &&
 808                                         (command->device == cmd->device)) {
 809                                         fib->flags |=
 810                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 811                                         command->SCp.phase =
 812                                                 AAC_OWNER_ERROR_HANDLER;
 813                                         if (command == cmd)
 814                                                 ret = SUCCESS;
 815                                 }
 816                         }
 817                         break;
 818                 }
 819         }
 820         return ret;
 821 }
 822
 823 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 824                                    struct fib *fib, u64 tmf_lun)
 825 {
 826         struct aac_hba_tm_req *tmf;
 827         u64 address;
 828
 829         /* start a HBA_TMF_LUN_RESET TMF request */
 830         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 831         memset(tmf, 0, sizeof(*tmf));
 832         tmf->tmf = HBA_TMF_LUN_RESET;
 833         tmf->it_nexus = info->rmw_nexus;
 834         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 835
 836         address = (u64)fib->hw_error_pa;
 837         tmf->error_ptr_hi = cpu_to_le32
 838                 ((u32)(address >> 32));
 839         tmf->error_ptr_lo = cpu_to_le32
 840                 ((u32)(address & 0xffffffff));
 841         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 842         fib->hbacmd_size = sizeof(*tmf);
 843
 844         return HBA_IU_TYPE_SCSI_TM_REQ;
 845 }
 846
 847 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 848                                     struct fib *fib)
 849 {
 850         struct aac_hba_reset_req *rst;
 851         u64 address;
 852
 853         /* already tried, start a hard reset now */
 854         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 855         memset(rst, 0, sizeof(*rst));
 856         rst->it_nexus = info->rmw_nexus;
 857
 858         address = (u64)fib->hw_error_pa;
 859         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 860         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 861         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 862         fib->hbacmd_size = sizeof(*rst);
 863
 864        return HBA_IU_TYPE_SATA_REQ;
 865 }
 866
 867 void aac_tmf_callback(void *context, struct fib *fibptr)
 868 {
 869         struct aac_hba_resp *err =
 870                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 871         struct aac_hba_map_info *info = context;
 872         int res;
 873
 874         switch (err->service_response) {
 875         case HBA_RESP_SVCRES_TMF_REJECTED:
 876                 res = -1;
 877                 break;
 878         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 879                 res = 0;
 880                 break;
 881         case HBA_RESP_SVCRES_TMF_COMPLETE:
 882         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 883                 res = 0;
 884                 break;
 885         default:
 886                 res = -2;
 887                 break;
 888         }
 889         aac_fib_complete(fibptr);
 890
 891         info->reset_state = res;
 892 }
 893
 894 /*
 895  *      aac_eh_dev_reset        - Device reset command handling
 896  *      @scsi_cmd:      SCSI command block causing the reset
 897  *
 898  */
 899 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 900 {
 901         struct scsi_device * dev = cmd->device;
 902         struct Scsi_Host * host = dev->host;
 903         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 904         struct aac_hba_map_info *info;
 905         int count;
 906         u32 bus, cid;
 907         struct fib *fib;
 908         int ret = FAILED;
 909         int status;
 910         u8 command;
 911
 912         bus = aac_logical_to_phys(scmd_channel(cmd));
 913         cid = scmd_id(cmd);
 914
 915         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 916                 return FAILED;
 917
 918         info = &aac->hba_map[bus][cid];
 919
 920         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 921          !(info->reset_state > 0)))
 922                 return FAILED;
 923
 924         pr_err("%s: Host device reset request. SCSI hang ?\n",
 925                AAC_DRIVERNAME);
 926
 927         fib = aac_fib_alloc(aac);
 928         if (!fib)
 929                 return ret;
 930
 931         /* start a HBA_TMF_LUN_RESET TMF request */
 932         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 933
 934         info->reset_state = 1;
 935
 936         status = aac_hba_send(command, fib,
 937                               (fib_callback) aac_tmf_callback,
 938                               (void *) info);
 939         if (status != -EINPROGRESS) {
 940                 info->reset_state = 0;
 941                 aac_fib_complete(fib);
 942                 aac_fib_free(fib);
 943                 return ret;
 944         }
 945         /* Wait up to 15 seconds for completion */
 946         for (count = 0; count < 15; ++count) {
 947                 if (info->reset_state == 0) {
 948                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 949                         break;
 950                 }
 951                 msleep(1000);
 952         }
 953
 954         return ret;
 955 }
 956
 957 /*
 958  *      aac_eh_target_reset     - Target reset command handling
 959  *      @scsi_cmd:      SCSI command block causing the reset
 960  *
 961  */
 962 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 963 {
 964         struct scsi_device * dev = cmd->device;
 965         struct Scsi_Host * host = dev->host;
 966         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 967         struct aac_hba_map_info *info;
 968         int count;
 969         u32 bus, cid;
 970         int ret = FAILED;
 971         struct fib *fib;
 972         int status;
 973         u8 command;
 974
 975         bus = aac_logical_to_phys(scmd_channel(cmd));
 976         cid = scmd_id(cmd);
 977
 978         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 979                 return FAILED;
 980
 981         info = &aac->hba_map[bus][cid];
 982
 983         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 984          !(info->reset_state > 0)))
 985                 return FAILED;
 986
 987         pr_err("%s: Host target reset request. SCSI hang ?\n",
 988                AAC_DRIVERNAME);
 989
 990         fib = aac_fib_alloc(aac);
 991         if (!fib)
 992                 return ret;
 993
 994
 995         /* already tried, start a hard reset now */
 996         command = aac_eh_tmf_hard_reset_fib(info, fib);
 997
 998         info->reset_state = 2;
 999
1000         status = aac_hba_send(command, fib,
1001                               (fib_callback) aac_tmf_callback,
1002                               (void *) info);
1003
1004         if (status != -EINPROGRESS) {
1005                 info->reset_state = 0;
1006                 aac_fib_complete(fib);
1007                 aac_fib_free(fib);
1008                 return ret;
1009         }
1010
1011         /* Wait up to 15 seconds for completion */
1012         for (count = 0; count < 15; ++count) {
1013                 if (info->reset_state <= 0) {
1014                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
1015                         break;
1016                 }
1017                 msleep(1000);
1018         }
1019
1020         return ret;
1021 }
1022
1023 /*
1024  *      aac_eh_bus_reset        - Bus reset command handling
1025  *      @scsi_cmd:      SCSI command block causing the reset
1026  *
1027  */
1028 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1029 {
1030         struct scsi_device * dev = cmd->device;
1031         struct Scsi_Host * host = dev->host;
1032         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1033         int count;
1034         u32 cmd_bus;
1035         int status = 0;
1036
1037
1038         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1039         /* Mark the assoc. FIB to not complete, eh handler does this */
1040         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1041                 struct fib *fib = &aac->fibs[count];
1042
1043                 if (fib->hw_fib_va->header.XferState &&
1044                     (fib->flags & FIB_CONTEXT_FLAG) &&
1045                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1046                         struct aac_hba_map_info *info;
1047                         u32 bus, cid;
1048
1049                         cmd = (struct scsi_cmnd *)fib->callback_data;
1050                         bus = aac_logical_to_phys(scmd_channel(cmd));
1051                         if (bus != cmd_bus)
1052                                 continue;
1053                         cid = scmd_id(cmd);
1054                         info = &aac->hba_map[bus][cid];
1055                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1056                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1057                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1058                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1059                         }
1060                 }
1061         }
1062
1063         pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1064
1065         /*
1066          * Check the health of the controller
1067          */
1068         status = aac_adapter_check_health(aac);
1069         if (status)
1070                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1071
1072         count = get_num_of_incomplete_fibs(aac);
1073         return (count == 0) ? SUCCESS : FAILED;
1074 }
1075
1076 /*
1077  *      aac_eh_host_reset       - Host reset command handling
1078  *      @scsi_cmd:      SCSI command block causing the reset
1079  *
1080  */
1081 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1082 {
1083         struct scsi_device * dev = cmd->device;
1084         struct Scsi_Host * host = dev->host;
1085         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1086         int ret = FAILED;
1087         __le32 supported_options2 = 0;
1088         bool is_mu_reset;
1089         bool is_ignore_reset;
1090         bool is_doorbell_reset;
1091
1092         /*
1093          * Check if reset is supported by the firmware
1094          */
1095         supported_options2 = aac->supplement_adapter_info.supported_options2;
1096         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1097         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1098         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1099         /*
1100          * This adapter needs a blind reset, only do so for
1101          * Adapters that support a register, instead of a commanded,
1102          * reset.
1103          */
1104         if ((is_mu_reset || is_doorbell_reset)
1105          && aac_check_reset
1106          && (aac_check_reset != -1 || !is_ignore_reset)) {
1107                 /* Bypass wait for command quiesce */
1108                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1109                         ret = SUCCESS;
1110         }
1111         /*
1112          * Reset EH state
1113          */
1114         if (ret == SUCCESS) {
1115                 int bus, cid;
1116                 struct aac_hba_map_info *info;
1117
1118                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1119                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1120                                 info = &aac->hba_map[bus][cid];
1121                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1122                                         info->reset_state = 0;
1123                         }
1124                 }
1125         }
1126         return ret;
1127 }
1128
1129 /**
1130  *      aac_cfg_open            -       open a configuration file
1131  *      @inode: inode being opened
1132  *      @file: file handle attached
1133  *
1134  *      Called when the configuration device is opened. Does the needed
1135  *      set up on the handle and then returns
1136  *
1137  *      Bugs: This needs extending to check a given adapter is present
1138  *      so we can support hot plugging, and to ref count adapters.
1139  */
1140
1141 static int aac_cfg_open(struct inode *inode, struct file *file)
1142 {
1143         struct aac_dev *aac;
1144         unsigned minor_number = iminor(inode);
1145         int err = -ENODEV;
1146
1147         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1148         list_for_each_entry(aac, &aac_devices, entry) {
1149                 if (aac->id == minor_number) {
1150                         file->private_data = aac;
1151                         err = 0;
1152                         break;
1153                 }
1154         }
1155         mutex_unlock(&aac_mutex);
1156
1157         return err;
1158 }
1159
1160 /**
1161  *      aac_cfg_ioctl           -       AAC configuration request
1162  *      @inode: inode of device
1163  *      @file: file handle
1164  *      @cmd: ioctl command code
1165  *      @arg: argument
1166  *
1167  *      Handles a configuration ioctl. Currently this involves wrapping it
1168  *      up and feeding it into the nasty windowsalike glue layer.
1169  *
1170  *      Bugs: Needs locking against parallel ioctls lower down
1171  *      Bugs: Needs to handle hot plugging
1172  */
1173
1174 static long aac_cfg_ioctl(struct file *file,
1175                 unsigned int cmd, unsigned long arg)
1176 {
1177         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1178
1179         if (!capable(CAP_SYS_RAWIO))
1180                 return -EPERM;
1181
1182         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1183 }
1184
1185 #ifdef CONFIG_COMPAT
1186 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1187 {
1188         long ret;
1189         switch (cmd) {
1190         case FSACTL_MINIPORT_REV_CHECK:
1191         case FSACTL_SENDFIB:
1192         case FSACTL_OPEN_GET_ADAPTER_FIB:
1193         case FSACTL_CLOSE_GET_ADAPTER_FIB:
1194         case FSACTL_SEND_RAW_SRB:
1195         case FSACTL_GET_PCI_INFO:
1196         case FSACTL_QUERY_DISK:
1197         case FSACTL_DELETE_DISK:
1198         case FSACTL_FORCE_DELETE_DISK:
1199         case FSACTL_GET_CONTAINERS:
1200         case FSACTL_SEND_LARGE_FIB:
1201                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1202                 break;
1203
1204         case FSACTL_GET_NEXT_ADAPTER_FIB: {
1205                 struct fib_ioctl __user *f;
1206
1207                 f = compat_alloc_user_space(sizeof(*f));
1208                 ret = 0;
1209                 if (clear_user(f, sizeof(*f)))
1210                         ret = -EFAULT;
1211                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1212                         ret = -EFAULT;
1213                 if (!ret)
1214                         ret = aac_do_ioctl(dev, cmd, f);
1215                 break;
1216         }
1217
1218         default:
1219                 ret = -ENOIOCTLCMD;
1220                 break;
1221         }
1222         return ret;
1223 }
1224
1225 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1226                             void __user *arg)
1227 {
1228         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1229         if (!capable(CAP_SYS_RAWIO))
1230                 return -EPERM;
1231         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1232 }
1233
1234 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1235 {
1236         if (!capable(CAP_SYS_RAWIO))
1237                 return -EPERM;
1238         return aac_compat_do_ioctl(file->private_data, cmd, arg);
1239 }
1240 #endif
1241
1242 static ssize_t aac_show_model(struct device *device,
1243                               struct device_attribute *attr, char *buf)
1244 {
1245         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1246         int len;
1247
1248         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1249                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1250                 while (*cp && *cp != ' ')
1251                         ++cp;
1252                 while (*cp == ' ')
1253                         ++cp;
1254                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1255         } else
1256                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1257                   aac_drivers[dev->cardtype].model);
1258         return len;
1259 }
1260
1261 static ssize_t aac_show_vendor(struct device *device,
1262                                struct device_attribute *attr, char *buf)
1263 {
1264         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1265         struct aac_supplement_adapter_info *sup_adap_info;
1266         int len;
1267
1268         sup_adap_info = &dev->supplement_adapter_info;
1269         if (sup_adap_info->adapter_type_text[0]) {
1270                 char *cp = sup_adap_info->adapter_type_text;
1271                 while (*cp && *cp != ' ')
1272                         ++cp;
1273                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1274                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1275                                         sup_adap_info->adapter_type_text);
1276         } else
1277                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1278                         aac_drivers[dev->cardtype].vname);
1279         return len;
1280 }
1281
1282 static ssize_t aac_show_flags(struct device *cdev,
1283                               struct device_attribute *attr, char *buf)
1284 {
1285         int len = 0;
1286         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1287
1288         if (nblank(dprintk(x)))
1289                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1290 #ifdef AAC_DETAILED_STATUS_INFO
1291         len += scnprintf(buf + len, PAGE_SIZE - len,
1292                          "AAC_DETAILED_STATUS_INFO\n");
1293 #endif
1294         if (dev->raw_io_interface && dev->raw_io_64)
1295                 len += scnprintf(buf + len, PAGE_SIZE - len,
1296                                  "SAI_READ_CAPACITY_16\n");
1297         if (dev->jbod)
1298                 len += scnprintf(buf + len, PAGE_SIZE - len,
1299                                  "SUPPORTED_JBOD\n");
1300         if (dev->supplement_adapter_info.supported_options2 &
1301                 AAC_OPTION_POWER_MANAGEMENT)
1302                 len += scnprintf(buf + len, PAGE_SIZE - len,
1303                                  "SUPPORTED_POWER_MANAGEMENT\n");
1304         if (dev->msi)
1305                 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1306         return len;
1307 }
1308
1309 static ssize_t aac_show_kernel_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.kernelrev);
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.kernelbuild));
1320         return len;
1321 }
1322
1323 static ssize_t aac_show_monitor_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.monitorrev);
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.monitorbuild));
1334         return len;
1335 }
1336
1337 static ssize_t aac_show_bios_version(struct device *device,
1338                                      struct device_attribute *attr,
1339                                      char *buf)
1340 {
1341         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1342         int len, tmp;
1343
1344         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1345         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1346           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1347           le32_to_cpu(dev->adapter_info.biosbuild));
1348         return len;
1349 }
1350
1351 static ssize_t aac_show_driver_version(struct device *device,
1352                                         struct device_attribute *attr,
1353                                         char *buf)
1354 {
1355         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1356 }
1357
1358 static ssize_t aac_show_serial_number(struct device *device,
1359                                struct device_attribute *attr, char *buf)
1360 {
1361         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1362         int len = 0;
1363
1364         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1365                 len = snprintf(buf, 16, "%06X\n",
1366                   le32_to_cpu(dev->adapter_info.serial[0]));
1367         if (len &&
1368           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1369             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1370           buf, len-1))
1371                 len = snprintf(buf, 16, "%.*s\n",
1372                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1373                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1374
1375         return min(len, 16);
1376 }
1377
1378 static ssize_t aac_show_max_channel(struct device *device,
1379                                     struct device_attribute *attr, char *buf)
1380 {
1381         return snprintf(buf, PAGE_SIZE, "%d\n",
1382           class_to_shost(device)->max_channel);
1383 }
1384
1385 static ssize_t aac_show_max_id(struct device *device,
1386                                struct device_attribute *attr, char *buf)
1387 {
1388         return snprintf(buf, PAGE_SIZE, "%d\n",
1389           class_to_shost(device)->max_id);
1390 }
1391
1392 static ssize_t aac_store_reset_adapter(struct device *device,
1393                                        struct device_attribute *attr,
1394                                        const char *buf, size_t count)
1395 {
1396         int retval = -EACCES;
1397
1398         if (!capable(CAP_SYS_ADMIN))
1399                 return retval;
1400
1401         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1402                                         buf[0] == '!', IOP_HWSOFT_RESET);
1403         if (retval >= 0)
1404                 retval = count;
1405
1406         return retval;
1407 }
1408
1409 static ssize_t aac_show_reset_adapter(struct device *device,
1410                                       struct device_attribute *attr,
1411                                       char *buf)
1412 {
1413         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1414         int len, tmp;
1415
1416         tmp = aac_adapter_check_health(dev);
1417         if ((tmp == 0) && dev->in_reset)
1418                 tmp = -EBUSY;
1419         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1420         return len;
1421 }
1422
1423 static struct device_attribute aac_model = {
1424         .attr = {
1425                 .name = "model",
1426                 .mode = S_IRUGO,
1427         },
1428         .show = aac_show_model,
1429 };
1430 static struct device_attribute aac_vendor = {
1431         .attr = {
1432                 .name = "vendor",
1433                 .mode = S_IRUGO,
1434         },
1435         .show = aac_show_vendor,
1436 };
1437 static struct device_attribute aac_flags = {
1438         .attr = {
1439                 .name = "flags",
1440                 .mode = S_IRUGO,
1441         },
1442         .show = aac_show_flags,
1443 };
1444 static struct device_attribute aac_kernel_version = {
1445         .attr = {
1446                 .name = "hba_kernel_version",
1447                 .mode = S_IRUGO,
1448         },
1449         .show = aac_show_kernel_version,
1450 };
1451 static struct device_attribute aac_monitor_version = {
1452         .attr = {
1453                 .name = "hba_monitor_version",
1454                 .mode = S_IRUGO,
1455         },
1456         .show = aac_show_monitor_version,
1457 };
1458 static struct device_attribute aac_bios_version = {
1459         .attr = {
1460                 .name = "hba_bios_version",
1461                 .mode = S_IRUGO,
1462         },
1463         .show = aac_show_bios_version,
1464 };
1465 static struct device_attribute aac_lld_version = {
1466         .attr = {
1467                 .name = "driver_version",
1468                 .mode = 0444,
1469         },
1470         .show = aac_show_driver_version,
1471 };
1472 static struct device_attribute aac_serial_number = {
1473         .attr = {
1474                 .name = "serial_number",
1475                 .mode = S_IRUGO,
1476         },
1477         .show = aac_show_serial_number,
1478 };
1479 static struct device_attribute aac_max_channel = {
1480         .attr = {
1481                 .name = "max_channel",
1482                 .mode = S_IRUGO,
1483         },
1484         .show = aac_show_max_channel,
1485 };
1486 static struct device_attribute aac_max_id = {
1487         .attr = {
1488                 .name = "max_id",
1489                 .mode = S_IRUGO,
1490         },
1491         .show = aac_show_max_id,
1492 };
1493 static struct device_attribute aac_reset = {
1494         .attr = {
1495                 .name = "reset_host",
1496                 .mode = S_IWUSR|S_IRUGO,
1497         },
1498         .store = aac_store_reset_adapter,
1499         .show = aac_show_reset_adapter,
1500 };
1501
1502 static struct device_attribute *aac_attrs[] = {
1503         &aac_model,
1504         &aac_vendor,
1505         &aac_flags,
1506         &aac_kernel_version,
1507         &aac_monitor_version,
1508         &aac_bios_version,
1509         &aac_lld_version,
1510         &aac_serial_number,
1511         &aac_max_channel,
1512         &aac_max_id,
1513         &aac_reset,
1514         NULL
1515 };
1516
1517 ssize_t aac_get_serial_number(struct device *device, char *buf)
1518 {
1519         return aac_show_serial_number(device, &aac_serial_number, buf);
1520 }
1521
1522 static const struct file_operations aac_cfg_fops = {
1523         .owner          = THIS_MODULE,
1524         .unlocked_ioctl = aac_cfg_ioctl,
1525 #ifdef CONFIG_COMPAT
1526         .compat_ioctl   = aac_compat_cfg_ioctl,
1527 #endif
1528         .open           = aac_cfg_open,
1529         .llseek         = noop_llseek,
1530 };
1531
1532 static struct scsi_host_template aac_driver_template = {
1533         .module                         = THIS_MODULE,
1534         .name                           = "AAC",
1535         .proc_name                      = AAC_DRIVERNAME,
1536         .info                           = aac_info,
1537         .ioctl                          = aac_ioctl,
1538 #ifdef CONFIG_COMPAT
1539         .compat_ioctl                   = aac_compat_ioctl,
1540 #endif
1541         .queuecommand                   = aac_queuecommand,
1542         .bios_param                     = aac_biosparm,
1543         .shost_attrs                    = aac_attrs,
1544         .slave_configure                = aac_slave_configure,
1545         .change_queue_depth             = aac_change_queue_depth,
1546         .sdev_attrs                     = aac_dev_attrs,
1547         .eh_abort_handler               = aac_eh_abort,
1548         .eh_device_reset_handler        = aac_eh_dev_reset,
1549         .eh_target_reset_handler        = aac_eh_target_reset,
1550         .eh_bus_reset_handler           = aac_eh_bus_reset,
1551         .eh_host_reset_handler          = aac_eh_host_reset,
1552         .can_queue                      = AAC_NUM_IO_FIB,
1553         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1554         .sg_tablesize                   = 16,
1555         .max_sectors                    = 128,
1556 #if (AAC_NUM_IO_FIB > 256)
1557         .cmd_per_lun                    = 256,
1558 #else
1559         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1560 #endif
1561         .emulated                       = 1,
1562         .no_write_same                  = 1,
1563 };
1564
1565 static void __aac_shutdown(struct aac_dev * aac)
1566 {
1567         int i;
1568
1569         mutex_lock(&aac->ioctl_mutex);
1570         aac->adapter_shutdown = 1;
1571         mutex_unlock(&aac->ioctl_mutex);
1572
1573         if (aac->aif_thread) {
1574                 int i;
1575                 /* Clear out events first */
1576                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1577                         struct fib *fib = &aac->fibs[i];
1578                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1579                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1580                                 complete(&fib->event_wait);
1581                 }
1582                 kthread_stop(aac->thread);
1583                 aac->thread = NULL;
1584         }
1585
1586         aac_send_shutdown(aac);
1587
1588         aac_adapter_disable_int(aac);
1589
1590         if (aac_is_src(aac)) {
1591                 if (aac->max_msix > 1) {
1592                         for (i = 0; i < aac->max_msix; i++) {
1593                                 free_irq(pci_irq_vector(aac->pdev, i),
1594                                          &(aac->aac_msix[i]));
1595                         }
1596                 } else {
1597                         free_irq(aac->pdev->irq,
1598                                  &(aac->aac_msix[0]));
1599                 }
1600         } else {
1601                 free_irq(aac->pdev->irq, aac);
1602         }
1603         if (aac->msi)
1604                 pci_disable_msi(aac->pdev);
1605         else if (aac->max_msix > 1)
1606                 pci_disable_msix(aac->pdev);
1607 }
1608 static void aac_init_char(void)
1609 {
1610         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1611         if (aac_cfg_major < 0) {
1612                 pr_err("aacraid: unable to register \"aac\" device.\n");
1613         }
1614 }
1615
1616 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1617 {
1618         /*
1619          * Firmware may send a AIF messages very early and the Driver may have
1620          * ignored as it is not fully ready to process the messages. Send
1621          * AIF to firmware so that if there are any unprocessed events they
1622          * can be processed now.
1623          */
1624         if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1625                 aac_intr_normal(aac, 0, 2, 0, NULL);
1626
1627 }
1628
1629 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1630 {
1631         unsigned index = id->driver_data;
1632         struct Scsi_Host *shost;
1633         struct aac_dev *aac;
1634         struct list_head *insert = &aac_devices;
1635         int error = -ENODEV;
1636         int unique_id = 0;
1637         u64 dmamask;
1638         int mask_bits = 0;
1639         extern int aac_sync_mode;
1640
1641         /*
1642          * Only series 7 needs freset.
1643          */
1644         if (pdev->device == PMC_DEVICE_S7)
1645                 pdev->needs_freset = 1;
1646
1647         list_for_each_entry(aac, &aac_devices, entry) {
1648                 if (aac->id > unique_id)
1649                         break;
1650                 insert = &aac->entry;
1651                 unique_id++;
1652         }
1653
1654         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1655                                PCIE_LINK_STATE_CLKPM);
1656
1657         error = pci_enable_device(pdev);
1658         if (error)
1659                 goto out;
1660         error = -ENODEV;
1661
1662         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1663                 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1664                 if (error) {
1665                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1666                         goto out_disable_pdev;
1667                 }
1668         }
1669
1670         /*
1671          * If the quirk31 bit is set, the adapter needs adapter
1672          * to driver communication memory to be allocated below 2gig
1673          */
1674         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1675                 dmamask = DMA_BIT_MASK(31);
1676                 mask_bits = 31;
1677         } else {
1678                 dmamask = DMA_BIT_MASK(32);
1679                 mask_bits = 32;
1680         }
1681
1682         error = pci_set_consistent_dma_mask(pdev, dmamask);
1683         if (error) {
1684                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1685                                 , mask_bits);
1686                 goto out_disable_pdev;
1687         }
1688
1689         pci_set_master(pdev);
1690
1691         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1692         if (!shost)
1693                 goto out_disable_pdev;
1694
1695         shost->irq = pdev->irq;
1696         shost->unique_id = unique_id;
1697         shost->max_cmd_len = 16;
1698
1699         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1700                 aac_init_char();
1701
1702         aac = (struct aac_dev *)shost->hostdata;
1703         aac->base_start = pci_resource_start(pdev, 0);
1704         aac->scsi_host_ptr = shost;
1705         aac->pdev = pdev;
1706         aac->name = aac_driver_template.name;
1707         aac->id = shost->unique_id;
1708         aac->cardtype = index;
1709         INIT_LIST_HEAD(&aac->entry);
1710
1711         if (aac_reset_devices || reset_devices)
1712                 aac->init_reset = true;
1713
1714         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1715                             sizeof(struct fib),
1716                             GFP_KERNEL);
1717         if (!aac->fibs)
1718                 goto out_free_host;
1719         spin_lock_init(&aac->fib_lock);
1720
1721         mutex_init(&aac->ioctl_mutex);
1722         mutex_init(&aac->scan_mutex);
1723
1724         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1725         INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1726                                 aac_src_reinit_aif_worker);
1727         /*
1728          *      Map in the registers from the adapter.
1729          */
1730         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1731         if ((*aac_drivers[index].init)(aac)) {
1732                 error = -ENODEV;
1733                 goto out_unmap;
1734         }
1735
1736         if (aac->sync_mode) {
1737                 if (aac_sync_mode)
1738                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1739                                 "by driver parameter. This will cause "
1740                                 "a significant performance decrease!\n",
1741                                 aac->name,
1742                                 aac->id);
1743                 else
1744                         printk(KERN_INFO "%s%d: Async. mode not supported "
1745                                 "by current driver, sync. mode enforced."
1746                                 "\nPlease update driver to get full performance.\n",
1747                                 aac->name,
1748                                 aac->id);
1749         }
1750
1751         /*
1752          *      Start any kernel threads needed
1753          */
1754         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1755         if (IS_ERR(aac->thread)) {
1756                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1757                 error = PTR_ERR(aac->thread);
1758                 aac->thread = NULL;
1759                 goto out_deinit;
1760         }
1761
1762         aac->maximum_num_channels = aac_drivers[index].channels;
1763         error = aac_get_adapter_info(aac);
1764         if (error < 0)
1765                 goto out_deinit;
1766
1767         /*
1768          * Lets override negotiations and drop the maximum SG limit to 34
1769          */
1770         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1771                         (shost->sg_tablesize > 34)) {
1772                 shost->sg_tablesize = 34;
1773                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1774         }
1775
1776         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1777                         (shost->sg_tablesize > 17)) {
1778                 shost->sg_tablesize = 17;
1779                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1780         }
1781
1782         if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1783                 shost->max_segment_size = shost->max_sectors << 9;
1784         else
1785                 shost->max_segment_size = 65536;
1786
1787         /*
1788          * Firmware printf works only with older firmware.
1789          */
1790         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1791                 aac->printf_enabled = 1;
1792         else
1793                 aac->printf_enabled = 0;
1794
1795         /*
1796          * max channel will be the physical channels plus 1 virtual channel
1797          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1798          * physical channels are address by their actual physical number+1
1799          */
1800         if (aac->nondasd_support || expose_physicals || aac->jbod)
1801                 shost->max_channel = aac->maximum_num_channels;
1802         else
1803                 shost->max_channel = 0;
1804
1805         aac_get_config_status(aac, 0);
1806         aac_get_containers(aac);
1807         list_add(&aac->entry, insert);
1808
1809         shost->max_id = aac->maximum_num_containers;
1810         if (shost->max_id < aac->maximum_num_physicals)
1811                 shost->max_id = aac->maximum_num_physicals;
1812         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1813                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1814         else
1815                 shost->this_id = shost->max_id;
1816
1817         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1818                 aac_intr_normal(aac, 0, 2, 0, NULL);
1819
1820         /*
1821          * dmb - we may need to move the setting of these parms somewhere else once
1822          * we get a fib that can report the actual numbers
1823          */
1824         shost->max_lun = AAC_MAX_LUN;
1825
1826         pci_set_drvdata(pdev, shost);
1827
1828         error = scsi_add_host(shost, &pdev->dev);
1829         if (error)
1830                 goto out_deinit;
1831
1832         aac_scan_host(aac);
1833
1834         pci_enable_pcie_error_reporting(pdev);
1835         pci_save_state(pdev);
1836
1837         return 0;
1838
1839  out_deinit:
1840         __aac_shutdown(aac);
1841  out_unmap:
1842         aac_fib_map_free(aac);
1843         if (aac->comm_addr)
1844                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1845                                   aac->comm_addr, aac->comm_phys);
1846         kfree(aac->queues);
1847         aac_adapter_ioremap(aac, 0);
1848         kfree(aac->fibs);
1849         kfree(aac->fsa_dev);
1850  out_free_host:
1851         scsi_host_put(shost);
1852  out_disable_pdev:
1853         pci_disable_device(pdev);
1854  out:
1855         return error;
1856 }
1857
1858 static void aac_release_resources(struct aac_dev *aac)
1859 {
1860         aac_adapter_disable_int(aac);
1861         aac_free_irq(aac);
1862 }
1863
1864 static int aac_acquire_resources(struct aac_dev *dev)
1865 {
1866         unsigned long status;
1867         /*
1868          *      First clear out all interrupts.  Then enable the one's that we
1869          *      can handle.
1870          */
1871         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1872                 || status == 0xffffffff)
1873                         msleep(20);
1874
1875         aac_adapter_disable_int(dev);
1876         aac_adapter_enable_int(dev);
1877
1878
1879         if (aac_is_src(dev))
1880                 aac_define_int_mode(dev);
1881
1882         if (dev->msi_enabled)
1883                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1884
1885         if (aac_acquire_irq(dev))
1886                 goto error_iounmap;
1887
1888         aac_adapter_enable_int(dev);
1889
1890         /*max msix may change  after EEH
1891          * Re-assign vectors to fibs
1892          */
1893         aac_fib_vector_assign(dev);
1894
1895         if (!dev->sync_mode) {
1896                 /* After EEH recovery or suspend resume, max_msix count
1897                  * may change, therefore updating in init as well.
1898                  */
1899                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1900                 aac_adapter_start(dev);
1901         }
1902         return 0;
1903
1904 error_iounmap:
1905         return -1;
1906
1907 }
1908
1909 #if (defined(CONFIG_PM))
1910 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1911 {
1912
1913         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1914         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1915
1916         scsi_host_block(shost);
1917         aac_cancel_rescan_worker(aac);
1918         aac_send_shutdown(aac);
1919
1920         aac_release_resources(aac);
1921
1922         pci_set_drvdata(pdev, shost);
1923         pci_save_state(pdev);
1924         pci_disable_device(pdev);
1925         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1926
1927         return 0;
1928 }
1929
1930 static int aac_resume(struct pci_dev *pdev)
1931 {
1932         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1933         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1934         int r;
1935
1936         pci_set_power_state(pdev, PCI_D0);
1937         pci_enable_wake(pdev, PCI_D0, 0);
1938         pci_restore_state(pdev);
1939         r = pci_enable_device(pdev);
1940
1941         if (r)
1942                 goto fail_device;
1943
1944         pci_set_master(pdev);
1945         if (aac_acquire_resources(aac))
1946                 goto fail_device;
1947         /*
1948         * reset this flag to unblock ioctl() as it was set at
1949         * aac_send_shutdown() to block ioctls from upperlayer
1950         */
1951         aac->adapter_shutdown = 0;
1952         scsi_host_unblock(shost, SDEV_RUNNING);
1953
1954         return 0;
1955
1956 fail_device:
1957         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1958         scsi_host_put(shost);
1959         pci_disable_device(pdev);
1960         return -ENODEV;
1961 }
1962 #endif
1963
1964 static void aac_shutdown(struct pci_dev *dev)
1965 {
1966         struct Scsi_Host *shost = pci_get_drvdata(dev);
1967
1968         scsi_host_block(shost);
1969         __aac_shutdown((struct aac_dev *)shost->hostdata);
1970 }
1971
1972 static void aac_remove_one(struct pci_dev *pdev)
1973 {
1974         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1975         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1976
1977         aac_cancel_rescan_worker(aac);
1978         scsi_remove_host(shost);
1979
1980         __aac_shutdown(aac);
1981         aac_fib_map_free(aac);
1982         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1983                           aac->comm_phys);
1984         kfree(aac->queues);
1985
1986         aac_adapter_ioremap(aac, 0);
1987
1988         kfree(aac->fibs);
1989         kfree(aac->fsa_dev);
1990
1991         list_del(&aac->entry);
1992         scsi_host_put(shost);
1993         pci_disable_device(pdev);
1994         if (list_empty(&aac_devices)) {
1995                 unregister_chrdev(aac_cfg_major, "aac");
1996                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1997         }
1998 }
1999
2000 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
2001                                         enum pci_channel_state error)
2002 {
2003         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2004         struct aac_dev *aac = shost_priv(shost);
2005
2006         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2007
2008         switch (error) {
2009         case pci_channel_io_normal:
2010                 return PCI_ERS_RESULT_CAN_RECOVER;
2011         case pci_channel_io_frozen:
2012                 aac->handle_pci_error = 1;
2013
2014                 scsi_host_block(shost);
2015                 aac_cancel_rescan_worker(aac);
2016                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
2017                 aac_release_resources(aac);
2018
2019                 pci_disable_pcie_error_reporting(pdev);
2020                 aac_adapter_ioremap(aac, 0);
2021
2022                 return PCI_ERS_RESULT_NEED_RESET;
2023         case pci_channel_io_perm_failure:
2024                 aac->handle_pci_error = 1;
2025
2026                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
2027                 return PCI_ERS_RESULT_DISCONNECT;
2028         }
2029
2030         return PCI_ERS_RESULT_NEED_RESET;
2031 }
2032
2033 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2034 {
2035         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2036         return PCI_ERS_RESULT_NEED_RESET;
2037 }
2038
2039 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2040 {
2041         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2042         pci_restore_state(pdev);
2043         if (pci_enable_device(pdev)) {
2044                 dev_warn(&pdev->dev,
2045                         "aacraid: failed to enable slave\n");
2046                 goto fail_device;
2047         }
2048
2049         pci_set_master(pdev);
2050
2051         if (pci_enable_device_mem(pdev)) {
2052                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2053                 goto fail_device;
2054         }
2055
2056         return PCI_ERS_RESULT_RECOVERED;
2057
2058 fail_device:
2059         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2060         return PCI_ERS_RESULT_DISCONNECT;
2061 }
2062
2063
2064 static void aac_pci_resume(struct pci_dev *pdev)
2065 {
2066         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2067         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2068
2069         if (aac_adapter_ioremap(aac, aac->base_size)) {
2070
2071                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2072                 /* remap failed, go back ... */
2073                 aac->comm_interface = AAC_COMM_PRODUCER;
2074                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2075                         dev_warn(&pdev->dev,
2076                                 "aacraid: unable to map adapter.\n");
2077
2078                         return;
2079                 }
2080         }
2081
2082         msleep(10000);
2083
2084         aac_acquire_resources(aac);
2085
2086         /*
2087          * reset this flag to unblock ioctl() as it was set
2088          * at aac_send_shutdown() to block ioctls from upperlayer
2089          */
2090         aac->adapter_shutdown = 0;
2091         aac->handle_pci_error = 0;
2092
2093         scsi_host_unblock(shost, SDEV_RUNNING);
2094         aac_scan_host(aac);
2095         pci_save_state(pdev);
2096
2097         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2098 }
2099
2100 static struct pci_error_handlers aac_pci_err_handler = {
2101         .error_detected         = aac_pci_error_detected,
2102         .mmio_enabled           = aac_pci_mmio_enabled,
2103         .slot_reset             = aac_pci_slot_reset,
2104         .resume                 = aac_pci_resume,
2105 };
2106
2107 static struct pci_driver aac_pci_driver = {
2108         .name           = AAC_DRIVERNAME,
2109         .id_table       = aac_pci_tbl,
2110         .probe          = aac_probe_one,
2111         .remove         = aac_remove_one,
2112 #if (defined(CONFIG_PM))
2113         .suspend        = aac_suspend,
2114         .resume         = aac_resume,
2115 #endif
2116         .shutdown       = aac_shutdown,
2117         .err_handler    = &aac_pci_err_handler,
2118 };
2119
2120 static int __init aac_init(void)
2121 {
2122         int error;
2123
2124         printk(KERN_INFO "Adaptec %s driver %s\n",
2125           AAC_DRIVERNAME, aac_driver_version);
2126
2127         error = pci_register_driver(&aac_pci_driver);
2128         if (error < 0)
2129                 return error;
2130
2131         aac_init_char();
2132
2133
2134         return 0;
2135 }
2136
2137 static void __exit aac_exit(void)
2138 {
2139         if (aac_cfg_major > -1)
2140                 unregister_chrdev(aac_cfg_major, "aac");
2141         pci_unregister_driver(&aac_pci_driver);
2142 }
2143
2144 module_init(aac_init);
2145 module_exit(aac_exit);