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
  37 #include <scsi/scsi.h>
  38 #include <scsi/scsi_cmnd.h>
  39 #include <scsi/scsi_device.h>
  40 #include <scsi/scsi_host.h>
  41 #include <scsi/scsi_tcq.h>
  42 #include <scsi/scsicam.h>
  43 #include <scsi/scsi_eh.h>
  44
  45 #include "aacraid.h"
  46
  47 #define AAC_DRIVER_VERSION              "1.2.1"
  48 #ifndef AAC_DRIVER_BRANCH
  49 #define AAC_DRIVER_BRANCH               ""
  50 #endif
  51 #define AAC_DRIVERNAME                  "aacraid"
  52
  53 #ifdef AAC_DRIVER_BUILD
  54 #define _str(x) #x
  55 #define str(x) _str(x)
  56 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  57 #else
  58 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  59 #endif
  60
  61 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  63                    "Adaptec Advanced Raid Products, "
  64                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  65 MODULE_LICENSE("GPL");
  66 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  67
  68 static DEFINE_MUTEX(aac_mutex);
  69 static LIST_HEAD(aac_devices);
  70 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  71 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  72
  73 /*
  74  * Because of the way Linux names scsi devices, the order in this table has
  75  * become important.  Check for on-board Raid first, add-in cards second.
  76  *
  77  * Note: The last field is used to index into aac_drivers below.
  78  */
  79 static const struct pci_device_id aac_pci_tbl[] = {
  80         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  81         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  82         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  83         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  84         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  85         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  86         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  87         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  88         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
  89         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
  90         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
  91         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
  92         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
  93         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
  94         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
  95         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
  96
  97         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
  98         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
  99         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 100         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 101         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 102         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 103         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 104         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 105         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 106         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 107         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 108         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 109         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 110         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 111         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 112         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 113         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 114         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 115         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 116         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 117         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 118         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 119         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 120         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 121         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 122         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 123         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 124         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 125         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 126         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 127         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 128         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 129         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 130         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 131         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 132         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 133         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 134         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 135
 136         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 137         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 138         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 139         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 140         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 141
 142         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 143         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 144         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 145         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 146         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 147         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 148         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 149         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 150         { 0,}
 151 };
 152 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 153
 154 /*
 155  * dmb - For now we add the number of channels to this structure.
 156  * In the future we should add a fib that reports the number of channels
 157  * for the card.  At that time we can remove the channels from here
 158  */
 159 static struct aac_driver_ident aac_drivers[] = {
 160         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 161         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 162         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 163         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 164         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 165         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 166         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 169         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 170         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 171         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 172         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 173         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 174         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 175         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 176
 177         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 180         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 181         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 182         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 183         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 184         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 185         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 186         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 187         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 188         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 190         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 191         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 192         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 193         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 194         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 196         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 197         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 198         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 199         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 200         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 201         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 202         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 205         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 206         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 207         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 208         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 212         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 213
 214         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 215         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 216         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 217         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 218         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 219
 220         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 221         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 222         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 223         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 224         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 225         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
 226         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
 227         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
 228 };
 229
 230 /**
 231  *      aac_queuecommand        -       queue a SCSI command
 232  *      @cmd:           SCSI command to queue
 233  *      @done:          Function to call on command completion
 234  *
 235  *      Queues a command for execution by the associated Host Adapter.
 236  *
 237  *      TODO: unify with aac_scsi_cmd().
 238  */
 239
 240 static int aac_queuecommand(struct Scsi_Host *shost,
 241                             struct scsi_cmnd *cmd)
 242 {
 243         int r = 0;
 244         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 245         r = (aac_scsi_cmd(cmd) ? FAILED : 0);
 246         return r;
 247 }
 248
 249 /**
 250  *      aac_info                -       Returns the host adapter name
 251  *      @shost:         Scsi host to report on
 252  *
 253  *      Returns a static string describing the device in question
 254  */
 255
 256 static const char *aac_info(struct Scsi_Host *shost)
 257 {
 258         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 259         return aac_drivers[dev->cardtype].name;
 260 }
 261
 262 /**
 263  *      aac_get_driver_ident
 264  *      @devtype: index into lookup table
 265  *
 266  *      Returns a pointer to the entry in the driver lookup table.
 267  */
 268
 269 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 270 {
 271         return &aac_drivers[devtype];
 272 }
 273
 274 /**
 275  *      aac_biosparm    -       return BIOS parameters for disk
 276  *      @sdev: The scsi device corresponding to the disk
 277  *      @bdev: the block device corresponding to the disk
 278  *      @capacity: the sector capacity of the disk
 279  *      @geom: geometry block to fill in
 280  *
 281  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 282  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 283  *      number of cylinders so as not to exceed drive capacity.  In order for
 284  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 285  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 286  *      Translation should be enabled.   With Extended Translation enabled,
 287  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 288  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 289  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 290  *      the BIOS detects that the Extended Translation setting does not match
 291  *      the geometry in the partition table, then the translation inferred
 292  *      from the partition table will be used by the BIOS, and a warning may
 293  *      be displayed.
 294  */
 295
 296 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 297                         sector_t capacity, int *geom)
 298 {
 299         struct diskparm *param = (struct diskparm *)geom;
 300         unsigned char *buf;
 301
 302         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 303
 304         /*
 305          *      Assuming extended translation is enabled - #REVISIT#
 306          */
 307         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 308                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 309                         param->heads = 255;
 310                         param->sectors = 63;
 311                 } else {
 312                         param->heads = 128;
 313                         param->sectors = 32;
 314                 }
 315         } else {
 316                 param->heads = 64;
 317                 param->sectors = 32;
 318         }
 319
 320         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 321
 322         /*
 323          *      Read the first 1024 bytes from the disk device, if the boot
 324          *      sector partition table is valid, search for a partition table
 325          *      entry whose end_head matches one of the standard geometry
 326          *      translations ( 64/32, 128/32, 255/63 ).
 327          */
 328         buf = scsi_bios_ptable(bdev);
 329         if (!buf)
 330                 return 0;
 331         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 332                 struct partition *first = (struct partition * )buf;
 333                 struct partition *entry = first;
 334                 int saved_cylinders = param->cylinders;
 335                 int num;
 336                 unsigned char end_head, end_sec;
 337
 338                 for(num = 0; num < 4; num++) {
 339                         end_head = entry->end_head;
 340                         end_sec = entry->end_sector & 0x3f;
 341
 342                         if(end_head == 63) {
 343                                 param->heads = 64;
 344                                 param->sectors = 32;
 345                                 break;
 346                         } else if(end_head == 127) {
 347                                 param->heads = 128;
 348                                 param->sectors = 32;
 349                                 break;
 350                         } else if(end_head == 254) {
 351                                 param->heads = 255;
 352                                 param->sectors = 63;
 353                                 break;
 354                         }
 355                         entry++;
 356                 }
 357
 358                 if (num == 4) {
 359                         end_head = first->end_head;
 360                         end_sec = first->end_sector & 0x3f;
 361                 }
 362
 363                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 364                 if (num < 4 && end_sec == param->sectors) {
 365                         if (param->cylinders != saved_cylinders)
 366                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 367                                         param->heads, param->sectors, num));
 368                 } else if (end_head > 0 || end_sec > 0) {
 369                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 370                                 end_head + 1, end_sec, num));
 371                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 372                                         param->heads, param->sectors));
 373                 }
 374         }
 375         kfree(buf);
 376         return 0;
 377 }
 378
 379 /**
 380  *      aac_slave_configure             -       compute queue depths
 381  *      @sdev:  SCSI device we are considering
 382  *
 383  *      Selects queue depths for each target device based on the host adapter's
 384  *      total capacity and the queue depth supported by the target device.
 385  *      A queue depth of one automatically disables tagged queueing.
 386  */
 387
 388 static int aac_slave_configure(struct scsi_device *sdev)
 389 {
 390         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 391         int chn, tid;
 392         unsigned int depth = 0;
 393         unsigned int set_timeout = 0;
 394         bool set_qd_dev_type = false;
 395         u8 devtype = 0;
 396
 397         chn = aac_logical_to_phys(sdev_channel(sdev));
 398         tid = sdev_id(sdev);
 399         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 400                 devtype = aac->hba_map[chn][tid].devtype;
 401
 402                 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
 403                         depth = aac->hba_map[chn][tid].qd_limit;
 404                         set_timeout = 1;
 405                         goto common_config;
 406                 }
 407                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 408                         set_qd_dev_type = true;
 409                         set_timeout = 1;
 410                         goto common_config;
 411                 }
 412         }
 413
 414         if (aac->jbod && (sdev->type == TYPE_DISK))
 415                 sdev->removable = 1;
 416
 417         if (sdev->type == TYPE_DISK
 418          && sdev_channel(sdev) != CONTAINER_CHANNEL
 419          && (!aac->jbod || sdev->inq_periph_qual)
 420          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 421
 422                 if (expose_physicals == 0)
 423                         return -ENXIO;
 424
 425                 if (expose_physicals < 0)
 426                         sdev->no_uld_attach = 1;
 427         }
 428
 429         if (sdev->tagged_supported
 430          &&  sdev->type == TYPE_DISK
 431          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 432          && !sdev->no_uld_attach) {
 433
 434                 struct scsi_device * dev;
 435                 struct Scsi_Host *host = sdev->host;
 436                 unsigned num_lsu = 0;
 437                 unsigned num_one = 0;
 438                 unsigned cid;
 439
 440                 set_timeout = 1;
 441
 442                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 443                         if (aac->fsa_dev[cid].valid)
 444                                 ++num_lsu;
 445
 446                 __shost_for_each_device(dev, host) {
 447                         if (dev->tagged_supported
 448                          && dev->type == TYPE_DISK
 449                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 450                          && !dev->no_uld_attach) {
 451                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 452                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 453                                         ++num_lsu;
 454                                 }
 455                         } else {
 456                                 ++num_one;
 457                         }
 458                 }
 459
 460                 if (num_lsu == 0)
 461                         ++num_lsu;
 462
 463                 depth = (host->can_queue - num_one) / num_lsu;
 464
 465                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 466                         goto common_config;
 467
 468                 set_qd_dev_type = true;
 469
 470         }
 471
 472 common_config:
 473
 474         /*
 475          * Check if SATA drive
 476          */
 477         if (set_qd_dev_type) {
 478                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 479                         depth = 32;
 480                 else
 481                         depth = 64;
 482         }
 483
 484         /*
 485          * Firmware has an individual device recovery time typically
 486          * of 35 seconds, give us a margin.
 487          */
 488         if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
 489                 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 490
 491         if (depth > 256)
 492                 depth = 256;
 493         else if (depth < 1)
 494                 depth = 1;
 495
 496         scsi_change_queue_depth(sdev, depth);
 497
 498         sdev->tagged_supported = 1;
 499
 500         return 0;
 501 }
 502
 503 /**
 504  *      aac_change_queue_depth          -       alter queue depths
 505  *      @sdev:  SCSI device we are considering
 506  *      @depth: desired queue depth
 507  *
 508  *      Alters queue depths for target device based on the host adapter's
 509  *      total capacity and the queue depth supported by the target device.
 510  */
 511
 512 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 513 {
 514         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 515         int chn, tid, is_native_device = 0;
 516
 517         chn = aac_logical_to_phys(sdev_channel(sdev));
 518         tid = sdev_id(sdev);
 519         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 520                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 521                 is_native_device = 1;
 522
 523         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 524             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 525                 struct scsi_device * dev;
 526                 struct Scsi_Host *host = sdev->host;
 527                 unsigned num = 0;
 528
 529                 __shost_for_each_device(dev, host) {
 530                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 531                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 532                                 ++num;
 533                         ++num;
 534                 }
 535                 if (num >= host->can_queue)
 536                         num = host->can_queue - 1;
 537                 if (depth > (host->can_queue - num))
 538                         depth = host->can_queue - num;
 539                 if (depth > 256)
 540                         depth = 256;
 541                 else if (depth < 2)
 542                         depth = 2;
 543                 return scsi_change_queue_depth(sdev, depth);
 544         } else if (is_native_device) {
 545                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 546         } else {
 547                 scsi_change_queue_depth(sdev, 1);
 548         }
 549         return sdev->queue_depth;
 550 }
 551
 552 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 553 {
 554         struct scsi_device *sdev = to_scsi_device(dev);
 555         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 556         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 557                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 558                   ? "Hidden\n" :
 559                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 560         return snprintf(buf, PAGE_SIZE, "%s\n",
 561           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 562 }
 563
 564 static struct device_attribute aac_raid_level_attr = {
 565         .attr = {
 566                 .name = "level",
 567                 .mode = S_IRUGO,
 568         },
 569         .show = aac_show_raid_level
 570 };
 571
 572 static ssize_t aac_show_unique_id(struct device *dev,
 573              struct device_attribute *attr, char *buf)
 574 {
 575         struct scsi_device *sdev = to_scsi_device(dev);
 576         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 577         unsigned char sn[16];
 578
 579         memset(sn, 0, sizeof(sn));
 580
 581         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 582                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 583
 584         return snprintf(buf, 16 * 2 + 2,
 585                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 586                 sn[0], sn[1], sn[2], sn[3],
 587                 sn[4], sn[5], sn[6], sn[7],
 588                 sn[8], sn[9], sn[10], sn[11],
 589                 sn[12], sn[13], sn[14], sn[15]);
 590 }
 591
 592 static struct device_attribute aac_unique_id_attr = {
 593         .attr = {
 594                 .name = "unique_id",
 595                 .mode = 0444,
 596         },
 597         .show = aac_show_unique_id
 598 };
 599
 600
 601
 602 static struct device_attribute *aac_dev_attrs[] = {
 603         &aac_raid_level_attr,
 604         &aac_unique_id_attr,
 605         NULL,
 606 };
 607
 608 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 609                      void __user *arg)
 610 {
 611         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 612         if (!capable(CAP_SYS_RAWIO))
 613                 return -EPERM;
 614         return aac_do_ioctl(dev, cmd, arg);
 615 }
 616
 617 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 618 {
 619
 620         unsigned long flags;
 621         struct scsi_device *sdev = NULL;
 622         struct Scsi_Host *shost = aac->scsi_host_ptr;
 623         struct scsi_cmnd *scmnd = NULL;
 624         struct device *ctrl_dev;
 625
 626         int mlcnt  = 0;
 627         int llcnt  = 0;
 628         int ehcnt  = 0;
 629         int fwcnt  = 0;
 630         int krlcnt = 0;
 631
 632         __shost_for_each_device(sdev, shost) {
 633                 spin_lock_irqsave(&sdev->list_lock, flags);
 634                 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
 635                         switch (scmnd->SCp.phase) {
 636                         case AAC_OWNER_FIRMWARE:
 637                                 fwcnt++;
 638                                 break;
 639                         case AAC_OWNER_ERROR_HANDLER:
 640                                 ehcnt++;
 641                                 break;
 642                         case AAC_OWNER_LOWLEVEL:
 643                                 llcnt++;
 644                                 break;
 645                         case AAC_OWNER_MIDLEVEL:
 646                                 mlcnt++;
 647                                 break;
 648                         default:
 649                                 krlcnt++;
 650                                 break;
 651                         }
 652                 }
 653                 spin_unlock_irqrestore(&sdev->list_lock, flags);
 654         }
 655
 656         ctrl_dev = &aac->pdev->dev;
 657
 658         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
 659         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
 660         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
 661         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
 662         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
 663
 664         return mlcnt + llcnt + ehcnt + fwcnt;
 665 }
 666
 667 static int aac_eh_abort(struct scsi_cmnd* cmd)
 668 {
 669         struct scsi_device * dev = cmd->device;
 670         struct Scsi_Host * host = dev->host;
 671         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 672         int count, found;
 673         u32 bus, cid;
 674         int ret = FAILED;
 675
 676         if (aac_adapter_check_health(aac))
 677                 return ret;
 678
 679         bus = aac_logical_to_phys(scmd_channel(cmd));
 680         cid = scmd_id(cmd);
 681         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 682                 struct fib *fib;
 683                 struct aac_hba_tm_req *tmf;
 684                 int status;
 685                 u64 address;
 686
 687                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 688                  AAC_DRIVERNAME,
 689                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 690
 691                 found = 0;
 692                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 693                         fib = &aac->fibs[count];
 694                         if (*(u8 *)fib->hw_fib_va != 0 &&
 695                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 696                                 (fib->callback_data == cmd)) {
 697                                 found = 1;
 698                                 break;
 699                         }
 700                 }
 701                 if (!found)
 702                         return ret;
 703
 704                 /* start a HBA_TMF_ABORT_TASK TMF request */
 705                 fib = aac_fib_alloc(aac);
 706                 if (!fib)
 707                         return ret;
 708
 709                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 710                 memset(tmf, 0, sizeof(*tmf));
 711                 tmf->tmf = HBA_TMF_ABORT_TASK;
 712                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 713                 tmf->lun[1] = cmd->device->lun;
 714
 715                 address = (u64)fib->hw_error_pa;
 716                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 717                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 718                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 719
 720                 fib->hbacmd_size = sizeof(*tmf);
 721                 cmd->SCp.sent_command = 0;
 722
 723                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 724                                   (fib_callback) aac_hba_callback,
 725                                   (void *) cmd);
 726                 if (status != -EINPROGRESS) {
 727                         aac_fib_complete(fib);
 728                         aac_fib_free(fib);
 729                         return ret;
 730                 }
 731                 /* Wait up to 15 secs for completion */
 732                 for (count = 0; count < 15; ++count) {
 733                         if (cmd->SCp.sent_command) {
 734                                 ret = SUCCESS;
 735                                 break;
 736                         }
 737                         msleep(1000);
 738                 }
 739
 740                 if (ret != SUCCESS)
 741                         pr_err("%s: Host adapter abort request timed out\n",
 742                         AAC_DRIVERNAME);
 743         } else {
 744                 pr_err(
 745                         "%s: Host adapter abort request.\n"
 746                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 747                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 748                         host->host_no, sdev_channel(dev), sdev_id(dev),
 749                         (int)dev->lun);
 750                 switch (cmd->cmnd[0]) {
 751                 case SERVICE_ACTION_IN_16:
 752                         if (!(aac->raw_io_interface) ||
 753                             !(aac->raw_io_64) ||
 754                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 755                                 break;
 756                         /* fall through */
 757                 case INQUIRY:
 758                 case READ_CAPACITY:
 759                         /*
 760                          * Mark associated FIB to not complete,
 761                          * eh handler does this
 762                          */
 763                         for (count = 0;
 764                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 765                                 ++count) {
 766                                 struct fib *fib = &aac->fibs[count];
 767
 768                                 if (fib->hw_fib_va->header.XferState &&
 769                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 770                                 (fib->callback_data == cmd)) {
 771                                         fib->flags |=
 772                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 773                                         cmd->SCp.phase =
 774                                                 AAC_OWNER_ERROR_HANDLER;
 775                                         ret = SUCCESS;
 776                                 }
 777                         }
 778                         break;
 779                 case TEST_UNIT_READY:
 780                         /*
 781                          * Mark associated FIB to not complete,
 782                          * eh handler does this
 783                          */
 784                         for (count = 0;
 785                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 786                                 ++count) {
 787                                 struct scsi_cmnd *command;
 788                                 struct fib *fib = &aac->fibs[count];
 789
 790                                 command = fib->callback_data;
 791
 792                                 if ((fib->hw_fib_va->header.XferState &
 793                                         cpu_to_le32
 794                                         (Async | NoResponseExpected)) &&
 795                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 796                                         ((command)) &&
 797                                         (command->device == cmd->device)) {
 798                                         fib->flags |=
 799                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 800                                         command->SCp.phase =
 801                                                 AAC_OWNER_ERROR_HANDLER;
 802                                         if (command == cmd)
 803                                                 ret = SUCCESS;
 804                                 }
 805                         }
 806                         break;
 807                 }
 808         }
 809         return ret;
 810 }
 811
 812 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 813                                    struct fib *fib, u64 tmf_lun)
 814 {
 815         struct aac_hba_tm_req *tmf;
 816         u64 address;
 817
 818         /* start a HBA_TMF_LUN_RESET TMF request */
 819         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 820         memset(tmf, 0, sizeof(*tmf));
 821         tmf->tmf = HBA_TMF_LUN_RESET;
 822         tmf->it_nexus = info->rmw_nexus;
 823         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 824
 825         address = (u64)fib->hw_error_pa;
 826         tmf->error_ptr_hi = cpu_to_le32
 827                 ((u32)(address >> 32));
 828         tmf->error_ptr_lo = cpu_to_le32
 829                 ((u32)(address & 0xffffffff));
 830         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 831         fib->hbacmd_size = sizeof(*tmf);
 832
 833         return HBA_IU_TYPE_SCSI_TM_REQ;
 834 }
 835
 836 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 837                                     struct fib *fib)
 838 {
 839         struct aac_hba_reset_req *rst;
 840         u64 address;
 841
 842         /* already tried, start a hard reset now */
 843         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 844         memset(rst, 0, sizeof(*rst));
 845         rst->it_nexus = info->rmw_nexus;
 846
 847         address = (u64)fib->hw_error_pa;
 848         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 849         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 850         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 851         fib->hbacmd_size = sizeof(*rst);
 852
 853        return HBA_IU_TYPE_SATA_REQ;
 854 }
 855
 856 void aac_tmf_callback(void *context, struct fib *fibptr)
 857 {
 858         struct aac_hba_resp *err =
 859                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 860         struct aac_hba_map_info *info = context;
 861         int res;
 862
 863         switch (err->service_response) {
 864         case HBA_RESP_SVCRES_TMF_REJECTED:
 865                 res = -1;
 866                 break;
 867         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 868                 res = 0;
 869                 break;
 870         case HBA_RESP_SVCRES_TMF_COMPLETE:
 871         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 872                 res = 0;
 873                 break;
 874         default:
 875                 res = -2;
 876                 break;
 877         }
 878         aac_fib_complete(fibptr);
 879
 880         info->reset_state = res;
 881 }
 882
 883 /*
 884  *      aac_eh_dev_reset        - Device reset command handling
 885  *      @scsi_cmd:      SCSI command block causing the reset
 886  *
 887  */
 888 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 889 {
 890         struct scsi_device * dev = cmd->device;
 891         struct Scsi_Host * host = dev->host;
 892         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 893         struct aac_hba_map_info *info;
 894         int count;
 895         u32 bus, cid;
 896         struct fib *fib;
 897         int ret = FAILED;
 898         int status;
 899         u8 command;
 900
 901         bus = aac_logical_to_phys(scmd_channel(cmd));
 902         cid = scmd_id(cmd);
 903
 904         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 905                 return FAILED;
 906
 907         info = &aac->hba_map[bus][cid];
 908
 909         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 910          !(info->reset_state > 0)))
 911                 return FAILED;
 912
 913         pr_err("%s: Host device reset request. SCSI hang ?\n",
 914                AAC_DRIVERNAME);
 915
 916         fib = aac_fib_alloc(aac);
 917         if (!fib)
 918                 return ret;
 919
 920         /* start a HBA_TMF_LUN_RESET TMF request */
 921         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 922
 923         info->reset_state = 1;
 924
 925         status = aac_hba_send(command, fib,
 926                               (fib_callback) aac_tmf_callback,
 927                               (void *) info);
 928         if (status != -EINPROGRESS) {
 929                 info->reset_state = 0;
 930                 aac_fib_complete(fib);
 931                 aac_fib_free(fib);
 932                 return ret;
 933         }
 934         /* Wait up to 15 seconds for completion */
 935         for (count = 0; count < 15; ++count) {
 936                 if (info->reset_state == 0) {
 937                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 938                         break;
 939                 }
 940                 msleep(1000);
 941         }
 942
 943         return ret;
 944 }
 945
 946 /*
 947  *      aac_eh_target_reset     - Target reset command handling
 948  *      @scsi_cmd:      SCSI command block causing the reset
 949  *
 950  */
 951 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 952 {
 953         struct scsi_device * dev = cmd->device;
 954         struct Scsi_Host * host = dev->host;
 955         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 956         struct aac_hba_map_info *info;
 957         int count;
 958         u32 bus, cid;
 959         int ret = FAILED;
 960         struct fib *fib;
 961         int status;
 962         u8 command;
 963
 964         bus = aac_logical_to_phys(scmd_channel(cmd));
 965         cid = scmd_id(cmd);
 966
 967         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 968                 return FAILED;
 969
 970         info = &aac->hba_map[bus][cid];
 971
 972         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 973          !(info->reset_state > 0)))
 974                 return FAILED;
 975
 976         pr_err("%s: Host target reset request. SCSI hang ?\n",
 977                AAC_DRIVERNAME);
 978
 979         fib = aac_fib_alloc(aac);
 980         if (!fib)
 981                 return ret;
 982
 983
 984         /* already tried, start a hard reset now */
 985         command = aac_eh_tmf_hard_reset_fib(info, fib);
 986
 987         info->reset_state = 2;
 988
 989         status = aac_hba_send(command, fib,
 990                               (fib_callback) aac_tmf_callback,
 991                               (void *) info);
 992
 993         if (status != -EINPROGRESS) {
 994                 info->reset_state = 0;
 995                 aac_fib_complete(fib);
 996                 aac_fib_free(fib);
 997                 return ret;
 998         }
 999
1000         /* Wait up to 15 seconds for completion */
1001         for (count = 0; count < 15; ++count) {
1002                 if (info->reset_state <= 0) {
1003                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
1004                         break;
1005                 }
1006                 msleep(1000);
1007         }
1008
1009         return ret;
1010 }
1011
1012 /*
1013  *      aac_eh_bus_reset        - Bus reset command handling
1014  *      @scsi_cmd:      SCSI command block causing the reset
1015  *
1016  */
1017 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1018 {
1019         struct scsi_device * dev = cmd->device;
1020         struct Scsi_Host * host = dev->host;
1021         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1022         int count;
1023         u32 cmd_bus;
1024         int status = 0;
1025
1026
1027         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1028         /* Mark the assoc. FIB to not complete, eh handler does this */
1029         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1030                 struct fib *fib = &aac->fibs[count];
1031
1032                 if (fib->hw_fib_va->header.XferState &&
1033                     (fib->flags & FIB_CONTEXT_FLAG) &&
1034                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1035                         struct aac_hba_map_info *info;
1036                         u32 bus, cid;
1037
1038                         cmd = (struct scsi_cmnd *)fib->callback_data;
1039                         bus = aac_logical_to_phys(scmd_channel(cmd));
1040                         if (bus != cmd_bus)
1041                                 continue;
1042                         cid = scmd_id(cmd);
1043                         info = &aac->hba_map[bus][cid];
1044                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1045                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1046                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1047                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1048                         }
1049                 }
1050         }
1051
1052         pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1053
1054         /*
1055          * Check the health of the controller
1056          */
1057         status = aac_adapter_check_health(aac);
1058         if (status)
1059                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1060
1061         count = get_num_of_incomplete_fibs(aac);
1062         return (count == 0) ? SUCCESS : FAILED;
1063 }
1064
1065 /*
1066  *      aac_eh_host_reset       - Host reset command handling
1067  *      @scsi_cmd:      SCSI command block causing the reset
1068  *
1069  */
1070 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1071 {
1072         struct scsi_device * dev = cmd->device;
1073         struct Scsi_Host * host = dev->host;
1074         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1075         int ret = FAILED;
1076         __le32 supported_options2 = 0;
1077         bool is_mu_reset;
1078         bool is_ignore_reset;
1079         bool is_doorbell_reset;
1080
1081         /*
1082          * Check if reset is supported by the firmware
1083          */
1084         supported_options2 = aac->supplement_adapter_info.supported_options2;
1085         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1086         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1087         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1088         /*
1089          * This adapter needs a blind reset, only do so for
1090          * Adapters that support a register, instead of a commanded,
1091          * reset.
1092          */
1093         if ((is_mu_reset || is_doorbell_reset)
1094          && aac_check_reset
1095          && (aac_check_reset != -1 || !is_ignore_reset)) {
1096                 /* Bypass wait for command quiesce */
1097                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1098                         ret = SUCCESS;
1099         }
1100         /*
1101          * Reset EH state
1102          */
1103         if (ret == SUCCESS) {
1104                 int bus, cid;
1105                 struct aac_hba_map_info *info;
1106
1107                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1108                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1109                                 info = &aac->hba_map[bus][cid];
1110                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1111                                         info->reset_state = 0;
1112                         }
1113                 }
1114         }
1115         return ret;
1116 }
1117
1118 /**
1119  *      aac_cfg_open            -       open a configuration file
1120  *      @inode: inode being opened
1121  *      @file: file handle attached
1122  *
1123  *      Called when the configuration device is opened. Does the needed
1124  *      set up on the handle and then returns
1125  *
1126  *      Bugs: This needs extending to check a given adapter is present
1127  *      so we can support hot plugging, and to ref count adapters.
1128  */
1129
1130 static int aac_cfg_open(struct inode *inode, struct file *file)
1131 {
1132         struct aac_dev *aac;
1133         unsigned minor_number = iminor(inode);
1134         int err = -ENODEV;
1135
1136         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1137         list_for_each_entry(aac, &aac_devices, entry) {
1138                 if (aac->id == minor_number) {
1139                         file->private_data = aac;
1140                         err = 0;
1141                         break;
1142                 }
1143         }
1144         mutex_unlock(&aac_mutex);
1145
1146         return err;
1147 }
1148
1149 /**
1150  *      aac_cfg_ioctl           -       AAC configuration request
1151  *      @inode: inode of device
1152  *      @file: file handle
1153  *      @cmd: ioctl command code
1154  *      @arg: argument
1155  *
1156  *      Handles a configuration ioctl. Currently this involves wrapping it
1157  *      up and feeding it into the nasty windowsalike glue layer.
1158  *
1159  *      Bugs: Needs locking against parallel ioctls lower down
1160  *      Bugs: Needs to handle hot plugging
1161  */
1162
1163 static long aac_cfg_ioctl(struct file *file,
1164                 unsigned int cmd, unsigned long arg)
1165 {
1166         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1167
1168         if (!capable(CAP_SYS_RAWIO))
1169                 return -EPERM;
1170
1171         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1172 }
1173
1174 #ifdef CONFIG_COMPAT
1175 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1176 {
1177         long ret;
1178         switch (cmd) {
1179         case FSACTL_MINIPORT_REV_CHECK:
1180         case FSACTL_SENDFIB:
1181         case FSACTL_OPEN_GET_ADAPTER_FIB:
1182         case FSACTL_CLOSE_GET_ADAPTER_FIB:
1183         case FSACTL_SEND_RAW_SRB:
1184         case FSACTL_GET_PCI_INFO:
1185         case FSACTL_QUERY_DISK:
1186         case FSACTL_DELETE_DISK:
1187         case FSACTL_FORCE_DELETE_DISK:
1188         case FSACTL_GET_CONTAINERS:
1189         case FSACTL_SEND_LARGE_FIB:
1190                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1191                 break;
1192
1193         case FSACTL_GET_NEXT_ADAPTER_FIB: {
1194                 struct fib_ioctl __user *f;
1195
1196                 f = compat_alloc_user_space(sizeof(*f));
1197                 ret = 0;
1198                 if (clear_user(f, sizeof(*f)))
1199                         ret = -EFAULT;
1200                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1201                         ret = -EFAULT;
1202                 if (!ret)
1203                         ret = aac_do_ioctl(dev, cmd, f);
1204                 break;
1205         }
1206
1207         default:
1208                 ret = -ENOIOCTLCMD;
1209                 break;
1210         }
1211         return ret;
1212 }
1213
1214 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1215                             void __user *arg)
1216 {
1217         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1218         if (!capable(CAP_SYS_RAWIO))
1219                 return -EPERM;
1220         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1221 }
1222
1223 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1224 {
1225         if (!capable(CAP_SYS_RAWIO))
1226                 return -EPERM;
1227         return aac_compat_do_ioctl(file->private_data, cmd, arg);
1228 }
1229 #endif
1230
1231 static ssize_t aac_show_model(struct device *device,
1232                               struct device_attribute *attr, char *buf)
1233 {
1234         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1235         int len;
1236
1237         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1238                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1239                 while (*cp && *cp != ' ')
1240                         ++cp;
1241                 while (*cp == ' ')
1242                         ++cp;
1243                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1244         } else
1245                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1246                   aac_drivers[dev->cardtype].model);
1247         return len;
1248 }
1249
1250 static ssize_t aac_show_vendor(struct device *device,
1251                                struct device_attribute *attr, char *buf)
1252 {
1253         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1254         struct aac_supplement_adapter_info *sup_adap_info;
1255         int len;
1256
1257         sup_adap_info = &dev->supplement_adapter_info;
1258         if (sup_adap_info->adapter_type_text[0]) {
1259                 char *cp = sup_adap_info->adapter_type_text;
1260                 while (*cp && *cp != ' ')
1261                         ++cp;
1262                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1263                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1264                                         sup_adap_info->adapter_type_text);
1265         } else
1266                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1267                         aac_drivers[dev->cardtype].vname);
1268         return len;
1269 }
1270
1271 static ssize_t aac_show_flags(struct device *cdev,
1272                               struct device_attribute *attr, char *buf)
1273 {
1274         int len = 0;
1275         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1276
1277         if (nblank(dprintk(x)))
1278                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1279 #ifdef AAC_DETAILED_STATUS_INFO
1280         len += snprintf(buf + len, PAGE_SIZE - len,
1281                         "AAC_DETAILED_STATUS_INFO\n");
1282 #endif
1283         if (dev->raw_io_interface && dev->raw_io_64)
1284                 len += snprintf(buf + len, PAGE_SIZE - len,
1285                                 "SAI_READ_CAPACITY_16\n");
1286         if (dev->jbod)
1287                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1288         if (dev->supplement_adapter_info.supported_options2 &
1289                 AAC_OPTION_POWER_MANAGEMENT)
1290                 len += snprintf(buf + len, PAGE_SIZE - len,
1291                                 "SUPPORTED_POWER_MANAGEMENT\n");
1292         if (dev->msi)
1293                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1294         return len;
1295 }
1296
1297 static ssize_t aac_show_kernel_version(struct device *device,
1298                                        struct device_attribute *attr,
1299                                        char *buf)
1300 {
1301         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1302         int len, tmp;
1303
1304         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1305         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1306           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1307           le32_to_cpu(dev->adapter_info.kernelbuild));
1308         return len;
1309 }
1310
1311 static ssize_t aac_show_monitor_version(struct device *device,
1312                                         struct device_attribute *attr,
1313                                         char *buf)
1314 {
1315         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1316         int len, tmp;
1317
1318         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1319         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1320           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1321           le32_to_cpu(dev->adapter_info.monitorbuild));
1322         return len;
1323 }
1324
1325 static ssize_t aac_show_bios_version(struct device *device,
1326                                      struct device_attribute *attr,
1327                                      char *buf)
1328 {
1329         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1330         int len, tmp;
1331
1332         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1333         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1334           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1335           le32_to_cpu(dev->adapter_info.biosbuild));
1336         return len;
1337 }
1338
1339 static ssize_t aac_show_driver_version(struct device *device,
1340                                         struct device_attribute *attr,
1341                                         char *buf)
1342 {
1343         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1344 }
1345
1346 static ssize_t aac_show_serial_number(struct device *device,
1347                                struct device_attribute *attr, char *buf)
1348 {
1349         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1350         int len = 0;
1351
1352         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1353                 len = snprintf(buf, 16, "%06X\n",
1354                   le32_to_cpu(dev->adapter_info.serial[0]));
1355         if (len &&
1356           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1357             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1358           buf, len-1))
1359                 len = snprintf(buf, 16, "%.*s\n",
1360                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1361                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1362
1363         return min(len, 16);
1364 }
1365
1366 static ssize_t aac_show_max_channel(struct device *device,
1367                                     struct device_attribute *attr, char *buf)
1368 {
1369         return snprintf(buf, PAGE_SIZE, "%d\n",
1370           class_to_shost(device)->max_channel);
1371 }
1372
1373 static ssize_t aac_show_max_id(struct device *device,
1374                                struct device_attribute *attr, char *buf)
1375 {
1376         return snprintf(buf, PAGE_SIZE, "%d\n",
1377           class_to_shost(device)->max_id);
1378 }
1379
1380 static ssize_t aac_store_reset_adapter(struct device *device,
1381                                        struct device_attribute *attr,
1382                                        const char *buf, size_t count)
1383 {
1384         int retval = -EACCES;
1385
1386         if (!capable(CAP_SYS_ADMIN))
1387                 return retval;
1388
1389         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1390                                         buf[0] == '!', IOP_HWSOFT_RESET);
1391         if (retval >= 0)
1392                 retval = count;
1393
1394         return retval;
1395 }
1396
1397 static ssize_t aac_show_reset_adapter(struct device *device,
1398                                       struct device_attribute *attr,
1399                                       char *buf)
1400 {
1401         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1402         int len, tmp;
1403
1404         tmp = aac_adapter_check_health(dev);
1405         if ((tmp == 0) && dev->in_reset)
1406                 tmp = -EBUSY;
1407         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1408         return len;
1409 }
1410
1411 static struct device_attribute aac_model = {
1412         .attr = {
1413                 .name = "model",
1414                 .mode = S_IRUGO,
1415         },
1416         .show = aac_show_model,
1417 };
1418 static struct device_attribute aac_vendor = {
1419         .attr = {
1420                 .name = "vendor",
1421                 .mode = S_IRUGO,
1422         },
1423         .show = aac_show_vendor,
1424 };
1425 static struct device_attribute aac_flags = {
1426         .attr = {
1427                 .name = "flags",
1428                 .mode = S_IRUGO,
1429         },
1430         .show = aac_show_flags,
1431 };
1432 static struct device_attribute aac_kernel_version = {
1433         .attr = {
1434                 .name = "hba_kernel_version",
1435                 .mode = S_IRUGO,
1436         },
1437         .show = aac_show_kernel_version,
1438 };
1439 static struct device_attribute aac_monitor_version = {
1440         .attr = {
1441                 .name = "hba_monitor_version",
1442                 .mode = S_IRUGO,
1443         },
1444         .show = aac_show_monitor_version,
1445 };
1446 static struct device_attribute aac_bios_version = {
1447         .attr = {
1448                 .name = "hba_bios_version",
1449                 .mode = S_IRUGO,
1450         },
1451         .show = aac_show_bios_version,
1452 };
1453 static struct device_attribute aac_lld_version = {
1454         .attr = {
1455                 .name = "driver_version",
1456                 .mode = 0444,
1457         },
1458         .show = aac_show_driver_version,
1459 };
1460 static struct device_attribute aac_serial_number = {
1461         .attr = {
1462                 .name = "serial_number",
1463                 .mode = S_IRUGO,
1464         },
1465         .show = aac_show_serial_number,
1466 };
1467 static struct device_attribute aac_max_channel = {
1468         .attr = {
1469                 .name = "max_channel",
1470                 .mode = S_IRUGO,
1471         },
1472         .show = aac_show_max_channel,
1473 };
1474 static struct device_attribute aac_max_id = {
1475         .attr = {
1476                 .name = "max_id",
1477                 .mode = S_IRUGO,
1478         },
1479         .show = aac_show_max_id,
1480 };
1481 static struct device_attribute aac_reset = {
1482         .attr = {
1483                 .name = "reset_host",
1484                 .mode = S_IWUSR|S_IRUGO,
1485         },
1486         .store = aac_store_reset_adapter,
1487         .show = aac_show_reset_adapter,
1488 };
1489
1490 static struct device_attribute *aac_attrs[] = {
1491         &aac_model,
1492         &aac_vendor,
1493         &aac_flags,
1494         &aac_kernel_version,
1495         &aac_monitor_version,
1496         &aac_bios_version,
1497         &aac_lld_version,
1498         &aac_serial_number,
1499         &aac_max_channel,
1500         &aac_max_id,
1501         &aac_reset,
1502         NULL
1503 };
1504
1505 ssize_t aac_get_serial_number(struct device *device, char *buf)
1506 {
1507         return aac_show_serial_number(device, &aac_serial_number, buf);
1508 }
1509
1510 static const struct file_operations aac_cfg_fops = {
1511         .owner          = THIS_MODULE,
1512         .unlocked_ioctl = aac_cfg_ioctl,
1513 #ifdef CONFIG_COMPAT
1514         .compat_ioctl   = aac_compat_cfg_ioctl,
1515 #endif
1516         .open           = aac_cfg_open,
1517         .llseek         = noop_llseek,
1518 };
1519
1520 static struct scsi_host_template aac_driver_template = {
1521         .module                         = THIS_MODULE,
1522         .name                           = "AAC",
1523         .proc_name                      = AAC_DRIVERNAME,
1524         .info                           = aac_info,
1525         .ioctl                          = aac_ioctl,
1526 #ifdef CONFIG_COMPAT
1527         .compat_ioctl                   = aac_compat_ioctl,
1528 #endif
1529         .queuecommand                   = aac_queuecommand,
1530         .bios_param                     = aac_biosparm,
1531         .shost_attrs                    = aac_attrs,
1532         .slave_configure                = aac_slave_configure,
1533         .change_queue_depth             = aac_change_queue_depth,
1534         .sdev_attrs                     = aac_dev_attrs,
1535         .eh_abort_handler               = aac_eh_abort,
1536         .eh_device_reset_handler        = aac_eh_dev_reset,
1537         .eh_target_reset_handler        = aac_eh_target_reset,
1538         .eh_bus_reset_handler           = aac_eh_bus_reset,
1539         .eh_host_reset_handler          = aac_eh_host_reset,
1540         .can_queue                      = AAC_NUM_IO_FIB,
1541         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1542         .sg_tablesize                   = 16,
1543         .max_sectors                    = 128,
1544 #if (AAC_NUM_IO_FIB > 256)
1545         .cmd_per_lun                    = 256,
1546 #else
1547         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1548 #endif
1549         .emulated                       = 1,
1550         .no_write_same                  = 1,
1551 };
1552
1553 static void __aac_shutdown(struct aac_dev * aac)
1554 {
1555         int i;
1556
1557         mutex_lock(&aac->ioctl_mutex);
1558         aac->adapter_shutdown = 1;
1559         mutex_unlock(&aac->ioctl_mutex);
1560
1561         if (aac->aif_thread) {
1562                 int i;
1563                 /* Clear out events first */
1564                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1565                         struct fib *fib = &aac->fibs[i];
1566                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1567                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1568                                 complete(&fib->event_wait);
1569                 }
1570                 kthread_stop(aac->thread);
1571                 aac->thread = NULL;
1572         }
1573
1574         aac_send_shutdown(aac);
1575
1576         aac_adapter_disable_int(aac);
1577
1578         if (aac_is_src(aac)) {
1579                 if (aac->max_msix > 1) {
1580                         for (i = 0; i < aac->max_msix; i++) {
1581                                 free_irq(pci_irq_vector(aac->pdev, i),
1582                                          &(aac->aac_msix[i]));
1583                         }
1584                 } else {
1585                         free_irq(aac->pdev->irq,
1586                                  &(aac->aac_msix[0]));
1587                 }
1588         } else {
1589                 free_irq(aac->pdev->irq, aac);
1590         }
1591         if (aac->msi)
1592                 pci_disable_msi(aac->pdev);
1593         else if (aac->max_msix > 1)
1594                 pci_disable_msix(aac->pdev);
1595 }
1596 static void aac_init_char(void)
1597 {
1598         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1599         if (aac_cfg_major < 0) {
1600                 pr_err("aacraid: unable to register \"aac\" device.\n");
1601         }
1602 }
1603
1604 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1605 {
1606         unsigned index = id->driver_data;
1607         struct Scsi_Host *shost;
1608         struct aac_dev *aac;
1609         struct list_head *insert = &aac_devices;
1610         int error;
1611         int unique_id = 0;
1612         u64 dmamask;
1613         int mask_bits = 0;
1614         extern int aac_sync_mode;
1615
1616         /*
1617          * Only series 7 needs freset.
1618          */
1619         if (pdev->device == PMC_DEVICE_S7)
1620                 pdev->needs_freset = 1;
1621
1622         list_for_each_entry(aac, &aac_devices, entry) {
1623                 if (aac->id > unique_id)
1624                         break;
1625                 insert = &aac->entry;
1626                 unique_id++;
1627         }
1628
1629         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1630                                PCIE_LINK_STATE_CLKPM);
1631
1632         error = pci_enable_device(pdev);
1633         if (error)
1634                 goto out;
1635
1636         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1637                 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1638                 if (error) {
1639                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1640                         goto out_disable_pdev;
1641                 }
1642         }
1643
1644         /*
1645          * If the quirk31 bit is set, the adapter needs adapter
1646          * to driver communication memory to be allocated below 2gig
1647          */
1648         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1649                 dmamask = DMA_BIT_MASK(31);
1650                 mask_bits = 31;
1651         } else {
1652                 dmamask = DMA_BIT_MASK(32);
1653                 mask_bits = 32;
1654         }
1655
1656         error = pci_set_consistent_dma_mask(pdev, dmamask);
1657         if (error) {
1658                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1659                                 , mask_bits);
1660                 goto out_disable_pdev;
1661         }
1662
1663         pci_set_master(pdev);
1664
1665         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1666         if (!shost) {
1667                 error = -ENOMEM;
1668                 goto out_disable_pdev;
1669         }
1670
1671         shost->irq = pdev->irq;
1672         shost->unique_id = unique_id;
1673         shost->max_cmd_len = 16;
1674         shost->use_cmd_list = 1;
1675
1676         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1677                 aac_init_char();
1678
1679         aac = (struct aac_dev *)shost->hostdata;
1680         aac->base_start = pci_resource_start(pdev, 0);
1681         aac->scsi_host_ptr = shost;
1682         aac->pdev = pdev;
1683         aac->name = aac_driver_template.name;
1684         aac->id = shost->unique_id;
1685         aac->cardtype = index;
1686         INIT_LIST_HEAD(&aac->entry);
1687
1688         if (aac_reset_devices || reset_devices)
1689                 aac->init_reset = true;
1690
1691         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1692                             sizeof(struct fib),
1693                             GFP_KERNEL);
1694         if (!aac->fibs) {
1695                 error = -ENOMEM;
1696                 goto out_free_host;
1697         }
1698
1699         spin_lock_init(&aac->fib_lock);
1700
1701         mutex_init(&aac->ioctl_mutex);
1702         mutex_init(&aac->scan_mutex);
1703
1704         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1705         /*
1706          *      Map in the registers from the adapter.
1707          */
1708         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1709         if ((*aac_drivers[index].init)(aac)) {
1710                 error = -ENODEV;
1711                 goto out_unmap;
1712         }
1713
1714         if (aac->sync_mode) {
1715                 if (aac_sync_mode)
1716                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1717                                 "by driver parameter. This will cause "
1718                                 "a significant performance decrease!\n",
1719                                 aac->name,
1720                                 aac->id);
1721                 else
1722                         printk(KERN_INFO "%s%d: Async. mode not supported "
1723                                 "by current driver, sync. mode enforced."
1724                                 "\nPlease update driver to get full performance.\n",
1725                                 aac->name,
1726                                 aac->id);
1727         }
1728
1729         /*
1730          *      Start any kernel threads needed
1731          */
1732         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1733         if (IS_ERR(aac->thread)) {
1734                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1735                 error = PTR_ERR(aac->thread);
1736                 aac->thread = NULL;
1737                 goto out_deinit;
1738         }
1739
1740         aac->maximum_num_channels = aac_drivers[index].channels;
1741         error = aac_get_adapter_info(aac);
1742         if (error < 0)
1743                 goto out_deinit;
1744
1745         /*
1746          * Lets override negotiations and drop the maximum SG limit to 34
1747          */
1748         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1749                         (shost->sg_tablesize > 34)) {
1750                 shost->sg_tablesize = 34;
1751                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1752         }
1753
1754         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1755                         (shost->sg_tablesize > 17)) {
1756                 shost->sg_tablesize = 17;
1757                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1758         }
1759
1760         if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1761                 shost->max_segment_size = shost->max_sectors << 9;
1762         else
1763                 shost->max_segment_size = 65536;
1764
1765         /*
1766          * Firmware printf works only with older firmware.
1767          */
1768         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1769                 aac->printf_enabled = 1;
1770         else
1771                 aac->printf_enabled = 0;
1772
1773         /*
1774          * max channel will be the physical channels plus 1 virtual channel
1775          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1776          * physical channels are address by their actual physical number+1
1777          */
1778         if (aac->nondasd_support || expose_physicals || aac->jbod)
1779                 shost->max_channel = aac->maximum_num_channels;
1780         else
1781                 shost->max_channel = 0;
1782
1783         aac_get_config_status(aac, 0);
1784         aac_get_containers(aac);
1785         list_add(&aac->entry, insert);
1786
1787         shost->max_id = aac->maximum_num_containers;
1788         if (shost->max_id < aac->maximum_num_physicals)
1789                 shost->max_id = aac->maximum_num_physicals;
1790         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1791                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1792         else
1793                 shost->this_id = shost->max_id;
1794
1795         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1796                 aac_intr_normal(aac, 0, 2, 0, NULL);
1797
1798         /*
1799          * dmb - we may need to move the setting of these parms somewhere else once
1800          * we get a fib that can report the actual numbers
1801          */
1802         shost->max_lun = AAC_MAX_LUN;
1803
1804         pci_set_drvdata(pdev, shost);
1805
1806         error = scsi_add_host(shost, &pdev->dev);
1807         if (error)
1808                 goto out_deinit;
1809
1810         aac_scan_host(aac);
1811
1812         pci_enable_pcie_error_reporting(pdev);
1813         pci_save_state(pdev);
1814
1815         return 0;
1816
1817  out_deinit:
1818         __aac_shutdown(aac);
1819  out_unmap:
1820         aac_fib_map_free(aac);
1821         if (aac->comm_addr)
1822                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1823                                   aac->comm_addr, aac->comm_phys);
1824         kfree(aac->queues);
1825         aac_adapter_ioremap(aac, 0);
1826         kfree(aac->fibs);
1827         kfree(aac->fsa_dev);
1828  out_free_host:
1829         scsi_host_put(shost);
1830  out_disable_pdev:
1831         pci_disable_device(pdev);
1832  out:
1833         return error;
1834 }
1835
1836 static void aac_release_resources(struct aac_dev *aac)
1837 {
1838         aac_adapter_disable_int(aac);
1839         aac_free_irq(aac);
1840 }
1841
1842 static int aac_acquire_resources(struct aac_dev *dev)
1843 {
1844         unsigned long status;
1845         /*
1846          *      First clear out all interrupts.  Then enable the one's that we
1847          *      can handle.
1848          */
1849         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1850                 || status == 0xffffffff)
1851                         msleep(20);
1852
1853         aac_adapter_disable_int(dev);
1854         aac_adapter_enable_int(dev);
1855
1856
1857         if (aac_is_src(dev))
1858                 aac_define_int_mode(dev);
1859
1860         if (dev->msi_enabled)
1861                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1862
1863         if (aac_acquire_irq(dev))
1864                 goto error_iounmap;
1865
1866         aac_adapter_enable_int(dev);
1867
1868         /*max msix may change  after EEH
1869          * Re-assign vectors to fibs
1870          */
1871         aac_fib_vector_assign(dev);
1872
1873         if (!dev->sync_mode) {
1874                 /* After EEH recovery or suspend resume, max_msix count
1875                  * may change, therefore updating in init as well.
1876                  */
1877                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1878                 aac_adapter_start(dev);
1879         }
1880         return 0;
1881
1882 error_iounmap:
1883         return -1;
1884
1885 }
1886
1887 #if (defined(CONFIG_PM))
1888 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1889 {
1890
1891         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1892         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1893
1894         scsi_block_requests(shost);
1895         aac_cancel_safw_rescan_worker(aac);
1896         aac_send_shutdown(aac);
1897
1898         aac_release_resources(aac);
1899
1900         pci_set_drvdata(pdev, shost);
1901         pci_save_state(pdev);
1902         pci_disable_device(pdev);
1903         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1904
1905         return 0;
1906 }
1907
1908 static int aac_resume(struct pci_dev *pdev)
1909 {
1910         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1911         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1912         int r;
1913
1914         pci_set_power_state(pdev, PCI_D0);
1915         pci_enable_wake(pdev, PCI_D0, 0);
1916         pci_restore_state(pdev);
1917         r = pci_enable_device(pdev);
1918
1919         if (r)
1920                 goto fail_device;
1921
1922         pci_set_master(pdev);
1923         if (aac_acquire_resources(aac))
1924                 goto fail_device;
1925         /*
1926         * reset this flag to unblock ioctl() as it was set at
1927         * aac_send_shutdown() to block ioctls from upperlayer
1928         */
1929         aac->adapter_shutdown = 0;
1930         scsi_unblock_requests(shost);
1931
1932         return 0;
1933
1934 fail_device:
1935         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1936         scsi_host_put(shost);
1937         pci_disable_device(pdev);
1938         return -ENODEV;
1939 }
1940 #endif
1941
1942 static void aac_shutdown(struct pci_dev *dev)
1943 {
1944         struct Scsi_Host *shost = pci_get_drvdata(dev);
1945         scsi_block_requests(shost);
1946         __aac_shutdown((struct aac_dev *)shost->hostdata);
1947 }
1948
1949 static void aac_remove_one(struct pci_dev *pdev)
1950 {
1951         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1952         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1953
1954         aac_cancel_safw_rescan_worker(aac);
1955         scsi_remove_host(shost);
1956
1957         __aac_shutdown(aac);
1958         aac_fib_map_free(aac);
1959         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1960                           aac->comm_phys);
1961         kfree(aac->queues);
1962
1963         aac_adapter_ioremap(aac, 0);
1964
1965         kfree(aac->fibs);
1966         kfree(aac->fsa_dev);
1967
1968         list_del(&aac->entry);
1969         scsi_host_put(shost);
1970         pci_disable_device(pdev);
1971         if (list_empty(&aac_devices)) {
1972                 unregister_chrdev(aac_cfg_major, "aac");
1973                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1974         }
1975 }
1976
1977 static void aac_flush_ios(struct aac_dev *aac)
1978 {
1979         int i;
1980         struct scsi_cmnd *cmd;
1981
1982         for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1983                 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1984                 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1985                         scsi_dma_unmap(cmd);
1986
1987                         if (aac->handle_pci_error)
1988                                 cmd->result = DID_NO_CONNECT << 16;
1989                         else
1990                                 cmd->result = DID_RESET << 16;
1991
1992                         cmd->scsi_done(cmd);
1993                 }
1994         }
1995 }
1996
1997 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1998                                         enum pci_channel_state error)
1999 {
2000         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2001         struct aac_dev *aac = shost_priv(shost);
2002
2003         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2004
2005         switch (error) {
2006         case pci_channel_io_normal:
2007                 return PCI_ERS_RESULT_CAN_RECOVER;
2008         case pci_channel_io_frozen:
2009                 aac->handle_pci_error = 1;
2010
2011                 scsi_block_requests(aac->scsi_host_ptr);
2012                 aac_cancel_safw_rescan_worker(aac);
2013                 aac_flush_ios(aac);
2014                 aac_release_resources(aac);
2015
2016                 pci_disable_pcie_error_reporting(pdev);
2017                 aac_adapter_ioremap(aac, 0);
2018
2019                 return PCI_ERS_RESULT_NEED_RESET;
2020         case pci_channel_io_perm_failure:
2021                 aac->handle_pci_error = 1;
2022
2023                 aac_flush_ios(aac);
2024                 return PCI_ERS_RESULT_DISCONNECT;
2025         }
2026
2027         return PCI_ERS_RESULT_NEED_RESET;
2028 }
2029
2030 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2031 {
2032         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2033         return PCI_ERS_RESULT_NEED_RESET;
2034 }
2035
2036 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2037 {
2038         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2039         pci_restore_state(pdev);
2040         if (pci_enable_device(pdev)) {
2041                 dev_warn(&pdev->dev,
2042                         "aacraid: failed to enable slave\n");
2043                 goto fail_device;
2044         }
2045
2046         pci_set_master(pdev);
2047
2048         if (pci_enable_device_mem(pdev)) {
2049                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2050                 goto fail_device;
2051         }
2052
2053         return PCI_ERS_RESULT_RECOVERED;
2054
2055 fail_device:
2056         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2057         return PCI_ERS_RESULT_DISCONNECT;
2058 }
2059
2060
2061 static void aac_pci_resume(struct pci_dev *pdev)
2062 {
2063         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2064         struct scsi_device *sdev = NULL;
2065         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2066
2067         if (aac_adapter_ioremap(aac, aac->base_size)) {
2068
2069                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2070                 /* remap failed, go back ... */
2071                 aac->comm_interface = AAC_COMM_PRODUCER;
2072                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2073                         dev_warn(&pdev->dev,
2074                                 "aacraid: unable to map adapter.\n");
2075
2076                         return;
2077                 }
2078         }
2079
2080         msleep(10000);
2081
2082         aac_acquire_resources(aac);
2083
2084         /*
2085          * reset this flag to unblock ioctl() as it was set
2086          * at aac_send_shutdown() to block ioctls from upperlayer
2087          */
2088         aac->adapter_shutdown = 0;
2089         aac->handle_pci_error = 0;
2090
2091         shost_for_each_device(sdev, shost)
2092                 if (sdev->sdev_state == SDEV_OFFLINE)
2093                         sdev->sdev_state = SDEV_RUNNING;
2094         scsi_unblock_requests(aac->scsi_host_ptr);
2095         aac_scan_host(aac);
2096         pci_save_state(pdev);
2097
2098         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2099 }
2100
2101 static struct pci_error_handlers aac_pci_err_handler = {
2102         .error_detected         = aac_pci_error_detected,
2103         .mmio_enabled           = aac_pci_mmio_enabled,
2104         .slot_reset             = aac_pci_slot_reset,
2105         .resume                 = aac_pci_resume,
2106 };
2107
2108 static struct pci_driver aac_pci_driver = {
2109         .name           = AAC_DRIVERNAME,
2110         .id_table       = aac_pci_tbl,
2111         .probe          = aac_probe_one,
2112         .remove         = aac_remove_one,
2113 #if (defined(CONFIG_PM))
2114         .suspend        = aac_suspend,
2115         .resume         = aac_resume,
2116 #endif
2117         .shutdown       = aac_shutdown,
2118         .err_handler    = &aac_pci_err_handler,
2119 };
2120
2121 static int __init aac_init(void)
2122 {
2123         int error;
2124
2125         printk(KERN_INFO "Adaptec %s driver %s\n",
2126           AAC_DRIVERNAME, aac_driver_version);
2127
2128         error = pci_register_driver(&aac_pci_driver);
2129         if (error < 0)
2130                 return error;
2131
2132         aac_init_char();
2133
2134
2135         return 0;
2136 }
2137
2138 static void __exit aac_exit(void)
2139 {
2140         if (aac_cfg_major > -1)
2141                 unregister_chrdev(aac_cfg_major, "aac");
2142         pci_unregister_driver(&aac_pci_driver);
2143 }
2144
2145 module_init(aac_init);
2146 module_exit(aac_exit);