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  *      @shost:         Scsi host to queue command on
 234  *      @cmd:           SCSI command to queue
 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                         }
 370                 } else if (end_head > 0 || end_sec > 0) {
 371                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 372                                 end_head + 1, end_sec, num));
 373                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 374                                         param->heads, param->sectors));
 375                 }
 376         }
 377         kfree(buf);
 378         return 0;
 379 }
 380
 381 /**
 382  *      aac_slave_configure             -       compute queue depths
 383  *      @sdev:  SCSI device we are considering
 384  *
 385  *      Selects queue depths for each target device based on the host adapter's
 386  *      total capacity and the queue depth supported by the target device.
 387  *      A queue depth of one automatically disables tagged queueing.
 388  */
 389
 390 static int aac_slave_configure(struct scsi_device *sdev)
 391 {
 392         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 393         int chn, tid;
 394         unsigned int depth = 0;
 395         unsigned int set_timeout = 0;
 396         int timeout = 0;
 397         bool set_qd_dev_type = false;
 398         u8 devtype = 0;
 399
 400         chn = aac_logical_to_phys(sdev_channel(sdev));
 401         tid = sdev_id(sdev);
 402         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 403                 devtype = aac->hba_map[chn][tid].devtype;
 404
 405                 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
 406                         depth = aac->hba_map[chn][tid].qd_limit;
 407                         set_timeout = 1;
 408                         goto common_config;
 409                 }
 410                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 411                         set_qd_dev_type = true;
 412                         set_timeout = 1;
 413                         goto common_config;
 414                 }
 415         }
 416
 417         if (aac->jbod && (sdev->type == TYPE_DISK))
 418                 sdev->removable = 1;
 419
 420         if (sdev->type == TYPE_DISK
 421          && sdev_channel(sdev) != CONTAINER_CHANNEL
 422          && (!aac->jbod || sdev->inq_periph_qual)
 423          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 424
 425                 if (expose_physicals == 0)
 426                         return -ENXIO;
 427
 428                 if (expose_physicals < 0)
 429                         sdev->no_uld_attach = 1;
 430         }
 431
 432         if (sdev->tagged_supported
 433          &&  sdev->type == TYPE_DISK
 434          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 435          && !sdev->no_uld_attach) {
 436
 437                 struct scsi_device * dev;
 438                 struct Scsi_Host *host = sdev->host;
 439                 unsigned num_lsu = 0;
 440                 unsigned num_one = 0;
 441                 unsigned cid;
 442
 443                 set_timeout = 1;
 444
 445                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 446                         if (aac->fsa_dev[cid].valid)
 447                                 ++num_lsu;
 448
 449                 __shost_for_each_device(dev, host) {
 450                         if (dev->tagged_supported
 451                          && dev->type == TYPE_DISK
 452                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 453                          && !dev->no_uld_attach) {
 454                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 455                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 456                                         ++num_lsu;
 457                                 }
 458                         } else {
 459                                 ++num_one;
 460                         }
 461                 }
 462
 463                 if (num_lsu == 0)
 464                         ++num_lsu;
 465
 466                 depth = (host->can_queue - num_one) / num_lsu;
 467
 468                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 469                         goto common_config;
 470
 471                 set_qd_dev_type = true;
 472
 473         }
 474
 475 common_config:
 476
 477         /*
 478          * Check if SATA drive
 479          */
 480         if (set_qd_dev_type) {
 481                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 482                         depth = 32;
 483                 else
 484                         depth = 64;
 485         }
 486
 487         /*
 488          * Firmware has an individual device recovery time typically
 489          * of 35 seconds, give us a margin. Thor devices can take longer in
 490          * error recovery, hence different value.
 491          */
 492         if (set_timeout) {
 493                 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
 494                 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
 495         }
 496
 497         if (depth > 256)
 498                 depth = 256;
 499         else if (depth < 1)
 500                 depth = 1;
 501
 502         scsi_change_queue_depth(sdev, depth);
 503
 504         sdev->tagged_supported = 1;
 505
 506         return 0;
 507 }
 508
 509 /**
 510  *      aac_change_queue_depth          -       alter queue depths
 511  *      @sdev:  SCSI device we are considering
 512  *      @depth: desired queue depth
 513  *
 514  *      Alters queue depths for target device based on the host adapter's
 515  *      total capacity and the queue depth supported by the target device.
 516  */
 517
 518 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 519 {
 520         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 521         int chn, tid, is_native_device = 0;
 522
 523         chn = aac_logical_to_phys(sdev_channel(sdev));
 524         tid = sdev_id(sdev);
 525         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 526                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 527                 is_native_device = 1;
 528
 529         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 530             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 531                 struct scsi_device * dev;
 532                 struct Scsi_Host *host = sdev->host;
 533                 unsigned num = 0;
 534
 535                 __shost_for_each_device(dev, host) {
 536                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 537                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 538                                 ++num;
 539                         ++num;
 540                 }
 541                 if (num >= host->can_queue)
 542                         num = host->can_queue - 1;
 543                 if (depth > (host->can_queue - num))
 544                         depth = host->can_queue - num;
 545                 if (depth > 256)
 546                         depth = 256;
 547                 else if (depth < 2)
 548                         depth = 2;
 549                 return scsi_change_queue_depth(sdev, depth);
 550         } else if (is_native_device) {
 551                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 552         } else {
 553                 scsi_change_queue_depth(sdev, 1);
 554         }
 555         return sdev->queue_depth;
 556 }
 557
 558 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 559 {
 560         struct scsi_device *sdev = to_scsi_device(dev);
 561         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 562         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 563                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 564                   ? "Hidden\n" :
 565                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 566         return snprintf(buf, PAGE_SIZE, "%s\n",
 567           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 568 }
 569
 570 static struct device_attribute aac_raid_level_attr = {
 571         .attr = {
 572                 .name = "level",
 573                 .mode = S_IRUGO,
 574         },
 575         .show = aac_show_raid_level
 576 };
 577
 578 static ssize_t aac_show_unique_id(struct device *dev,
 579              struct device_attribute *attr, char *buf)
 580 {
 581         struct scsi_device *sdev = to_scsi_device(dev);
 582         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 583         unsigned char sn[16];
 584
 585         memset(sn, 0, sizeof(sn));
 586
 587         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 588                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 589
 590         return snprintf(buf, 16 * 2 + 2,
 591                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 592                 sn[0], sn[1], sn[2], sn[3],
 593                 sn[4], sn[5], sn[6], sn[7],
 594                 sn[8], sn[9], sn[10], sn[11],
 595                 sn[12], sn[13], sn[14], sn[15]);
 596 }
 597
 598 static struct device_attribute aac_unique_id_attr = {
 599         .attr = {
 600                 .name = "unique_id",
 601                 .mode = 0444,
 602         },
 603         .show = aac_show_unique_id
 604 };
 605
 606
 607
 608 static struct device_attribute *aac_dev_attrs[] = {
 609         &aac_raid_level_attr,
 610         &aac_unique_id_attr,
 611         NULL,
 612 };
 613
 614 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 615                      void __user *arg)
 616 {
 617         int retval;
 618         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 619         if (!capable(CAP_SYS_RAWIO))
 620                 return -EPERM;
 621         retval = aac_adapter_check_health(dev);
 622         if (retval)
 623                 return -EBUSY;
 624         return aac_do_ioctl(dev, cmd, arg);
 625 }
 626
 627 struct fib_count_data {
 628         int mlcnt;
 629         int llcnt;
 630         int ehcnt;
 631         int fwcnt;
 632         int krlcnt;
 633 };
 634
 635 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
 636 {
 637         struct fib_count_data *fib_count = data;
 638
 639         switch (scmnd->SCp.phase) {
 640         case AAC_OWNER_FIRMWARE:
 641                 fib_count->fwcnt++;
 642                 break;
 643         case AAC_OWNER_ERROR_HANDLER:
 644                 fib_count->ehcnt++;
 645                 break;
 646         case AAC_OWNER_LOWLEVEL:
 647                 fib_count->llcnt++;
 648                 break;
 649         case AAC_OWNER_MIDLEVEL:
 650                 fib_count->mlcnt++;
 651                 break;
 652         default:
 653                 fib_count->krlcnt++;
 654                 break;
 655         }
 656         return true;
 657 }
 658
 659 /* Called during SCSI EH, so we don't need to block requests */
 660 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 661 {
 662         struct Scsi_Host *shost = aac->scsi_host_ptr;
 663         struct device *ctrl_dev;
 664         struct fib_count_data fcnt = { };
 665
 666         scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
 667
 668         ctrl_dev = &aac->pdev->dev;
 669
 670         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
 671         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
 672         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
 673         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
 674         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
 675
 676         return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
 677 }
 678
 679 static int aac_eh_abort(struct scsi_cmnd* cmd)
 680 {
 681         struct scsi_device * dev = cmd->device;
 682         struct Scsi_Host * host = dev->host;
 683         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 684         int count, found;
 685         u32 bus, cid;
 686         int ret = FAILED;
 687
 688         if (aac_adapter_check_health(aac))
 689                 return ret;
 690
 691         bus = aac_logical_to_phys(scmd_channel(cmd));
 692         cid = scmd_id(cmd);
 693         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 694                 struct fib *fib;
 695                 struct aac_hba_tm_req *tmf;
 696                 int status;
 697                 u64 address;
 698
 699                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 700                  AAC_DRIVERNAME,
 701                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 702
 703                 found = 0;
 704                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 705                         fib = &aac->fibs[count];
 706                         if (*(u8 *)fib->hw_fib_va != 0 &&
 707                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 708                                 (fib->callback_data == cmd)) {
 709                                 found = 1;
 710                                 break;
 711                         }
 712                 }
 713                 if (!found)
 714                         return ret;
 715
 716                 /* start a HBA_TMF_ABORT_TASK TMF request */
 717                 fib = aac_fib_alloc(aac);
 718                 if (!fib)
 719                         return ret;
 720
 721                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 722                 memset(tmf, 0, sizeof(*tmf));
 723                 tmf->tmf = HBA_TMF_ABORT_TASK;
 724                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 725                 tmf->lun[1] = cmd->device->lun;
 726
 727                 address = (u64)fib->hw_error_pa;
 728                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 729                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 730                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 731
 732                 fib->hbacmd_size = sizeof(*tmf);
 733                 cmd->SCp.sent_command = 0;
 734
 735                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 736                                   (fib_callback) aac_hba_callback,
 737                                   (void *) cmd);
 738                 if (status != -EINPROGRESS) {
 739                         aac_fib_complete(fib);
 740                         aac_fib_free(fib);
 741                         return ret;
 742                 }
 743                 /* Wait up to 15 secs for completion */
 744                 for (count = 0; count < 15; ++count) {
 745                         if (cmd->SCp.sent_command) {
 746                                 ret = SUCCESS;
 747                                 break;
 748                         }
 749                         msleep(1000);
 750                 }
 751
 752                 if (ret != SUCCESS)
 753                         pr_err("%s: Host adapter abort request timed out\n",
 754                         AAC_DRIVERNAME);
 755         } else {
 756                 pr_err(
 757                         "%s: Host adapter abort request.\n"
 758                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 759                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 760                         host->host_no, sdev_channel(dev), sdev_id(dev),
 761                         (int)dev->lun);
 762                 switch (cmd->cmnd[0]) {
 763                 case SERVICE_ACTION_IN_16:
 764                         if (!(aac->raw_io_interface) ||
 765                             !(aac->raw_io_64) ||
 766                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 767                                 break;
 768                         fallthrough;
 769                 case INQUIRY:
 770                 case READ_CAPACITY:
 771                         /*
 772                          * Mark associated FIB to not complete,
 773                          * eh handler does this
 774                          */
 775                         for (count = 0;
 776                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 777                                 ++count) {
 778                                 struct fib *fib = &aac->fibs[count];
 779
 780                                 if (fib->hw_fib_va->header.XferState &&
 781                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 782                                 (fib->callback_data == cmd)) {
 783                                         fib->flags |=
 784                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 785                                         cmd->SCp.phase =
 786                                                 AAC_OWNER_ERROR_HANDLER;
 787                                         ret = SUCCESS;
 788                                 }
 789                         }
 790                         break;
 791                 case TEST_UNIT_READY:
 792                         /*
 793                          * Mark associated FIB to not complete,
 794                          * eh handler does this
 795                          */
 796                         for (count = 0;
 797                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 798                                 ++count) {
 799                                 struct scsi_cmnd *command;
 800                                 struct fib *fib = &aac->fibs[count];
 801
 802                                 command = fib->callback_data;
 803
 804                                 if ((fib->hw_fib_va->header.XferState &
 805                                         cpu_to_le32
 806                                         (Async | NoResponseExpected)) &&
 807                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 808                                         ((command)) &&
 809                                         (command->device == cmd->device)) {
 810                                         fib->flags |=
 811                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 812                                         command->SCp.phase =
 813                                                 AAC_OWNER_ERROR_HANDLER;
 814                                         if (command == cmd)
 815                                                 ret = SUCCESS;
 816                                 }
 817                         }
 818                         break;
 819                 }
 820         }
 821         return ret;
 822 }
 823
 824 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 825                                    struct fib *fib, u64 tmf_lun)
 826 {
 827         struct aac_hba_tm_req *tmf;
 828         u64 address;
 829
 830         /* start a HBA_TMF_LUN_RESET TMF request */
 831         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 832         memset(tmf, 0, sizeof(*tmf));
 833         tmf->tmf = HBA_TMF_LUN_RESET;
 834         tmf->it_nexus = info->rmw_nexus;
 835         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 836
 837         address = (u64)fib->hw_error_pa;
 838         tmf->error_ptr_hi = cpu_to_le32
 839                 ((u32)(address >> 32));
 840         tmf->error_ptr_lo = cpu_to_le32
 841                 ((u32)(address & 0xffffffff));
 842         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 843         fib->hbacmd_size = sizeof(*tmf);
 844
 845         return HBA_IU_TYPE_SCSI_TM_REQ;
 846 }
 847
 848 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 849                                     struct fib *fib)
 850 {
 851         struct aac_hba_reset_req *rst;
 852         u64 address;
 853
 854         /* already tried, start a hard reset now */
 855         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 856         memset(rst, 0, sizeof(*rst));
 857         rst->it_nexus = info->rmw_nexus;
 858
 859         address = (u64)fib->hw_error_pa;
 860         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 861         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 862         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 863         fib->hbacmd_size = sizeof(*rst);
 864
 865        return HBA_IU_TYPE_SATA_REQ;
 866 }
 867
 868 static void aac_tmf_callback(void *context, struct fib *fibptr)
 869 {
 870         struct aac_hba_resp *err =
 871                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 872         struct aac_hba_map_info *info = context;
 873         int res;
 874
 875         switch (err->service_response) {
 876         case HBA_RESP_SVCRES_TMF_REJECTED:
 877                 res = -1;
 878                 break;
 879         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 880                 res = 0;
 881                 break;
 882         case HBA_RESP_SVCRES_TMF_COMPLETE:
 883         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 884                 res = 0;
 885                 break;
 886         default:
 887                 res = -2;
 888                 break;
 889         }
 890         aac_fib_complete(fibptr);
 891
 892         info->reset_state = res;
 893 }
 894
 895 /*
 896  *      aac_eh_dev_reset        - Device reset command handling
 897  *      @scsi_cmd:      SCSI command block causing the reset
 898  *
 899  */
 900 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 901 {
 902         struct scsi_device * dev = cmd->device;
 903         struct Scsi_Host * host = dev->host;
 904         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 905         struct aac_hba_map_info *info;
 906         int count;
 907         u32 bus, cid;
 908         struct fib *fib;
 909         int ret = FAILED;
 910         int status;
 911         u8 command;
 912
 913         bus = aac_logical_to_phys(scmd_channel(cmd));
 914         cid = scmd_id(cmd);
 915
 916         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 917                 return FAILED;
 918
 919         info = &aac->hba_map[bus][cid];
 920
 921         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 922          !(info->reset_state > 0)))
 923                 return FAILED;
 924
 925         pr_err("%s: Host device reset request. SCSI hang ?\n",
 926                AAC_DRIVERNAME);
 927
 928         fib = aac_fib_alloc(aac);
 929         if (!fib)
 930                 return ret;
 931
 932         /* start a HBA_TMF_LUN_RESET TMF request */
 933         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 934
 935         info->reset_state = 1;
 936
 937         status = aac_hba_send(command, fib,
 938                               (fib_callback) aac_tmf_callback,
 939                               (void *) info);
 940         if (status != -EINPROGRESS) {
 941                 info->reset_state = 0;
 942                 aac_fib_complete(fib);
 943                 aac_fib_free(fib);
 944                 return ret;
 945         }
 946         /* Wait up to 15 seconds for completion */
 947         for (count = 0; count < 15; ++count) {
 948                 if (info->reset_state == 0) {
 949                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 950                         break;
 951                 }
 952                 msleep(1000);
 953         }
 954
 955         return ret;
 956 }
 957
 958 /*
 959  *      aac_eh_target_reset     - Target reset command handling
 960  *      @scsi_cmd:      SCSI command block causing the reset
 961  *
 962  */
 963 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 964 {
 965         struct scsi_device * dev = cmd->device;
 966         struct Scsi_Host * host = dev->host;
 967         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 968         struct aac_hba_map_info *info;
 969         int count;
 970         u32 bus, cid;
 971         int ret = FAILED;
 972         struct fib *fib;
 973         int status;
 974         u8 command;
 975
 976         bus = aac_logical_to_phys(scmd_channel(cmd));
 977         cid = scmd_id(cmd);
 978
 979         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 980                 return FAILED;
 981
 982         info = &aac->hba_map[bus][cid];
 983
 984         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 985          !(info->reset_state > 0)))
 986                 return FAILED;
 987
 988         pr_err("%s: Host target reset request. SCSI hang ?\n",
 989                AAC_DRIVERNAME);
 990
 991         fib = aac_fib_alloc(aac);
 992         if (!fib)
 993                 return ret;
 994
 995
 996         /* already tried, start a hard reset now */
 997         command = aac_eh_tmf_hard_reset_fib(info, fib);
 998
 999         info->reset_state = 2;
1000
1001         status = aac_hba_send(command, fib,
1002                               (fib_callback) aac_tmf_callback,
1003                               (void *) info);
1004
1005         if (status != -EINPROGRESS) {
1006                 info->reset_state = 0;
1007                 aac_fib_complete(fib);
1008                 aac_fib_free(fib);
1009                 return ret;
1010         }
1011
1012         /* Wait up to 15 seconds for completion */
1013         for (count = 0; count < 15; ++count) {
1014                 if (info->reset_state <= 0) {
1015                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
1016                         break;
1017                 }
1018                 msleep(1000);
1019         }
1020
1021         return ret;
1022 }
1023
1024 /*
1025  *      aac_eh_bus_reset        - Bus reset command handling
1026  *      @scsi_cmd:      SCSI command block causing the reset
1027  *
1028  */
1029 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1030 {
1031         struct scsi_device * dev = cmd->device;
1032         struct Scsi_Host * host = dev->host;
1033         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1034         int count;
1035         u32 cmd_bus;
1036         int status = 0;
1037
1038
1039         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1040         /* Mark the assoc. FIB to not complete, eh handler does this */
1041         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1042                 struct fib *fib = &aac->fibs[count];
1043
1044                 if (fib->hw_fib_va->header.XferState &&
1045                     (fib->flags & FIB_CONTEXT_FLAG) &&
1046                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1047                         struct aac_hba_map_info *info;
1048                         u32 bus, cid;
1049
1050                         cmd = (struct scsi_cmnd *)fib->callback_data;
1051                         bus = aac_logical_to_phys(scmd_channel(cmd));
1052                         if (bus != cmd_bus)
1053                                 continue;
1054                         cid = scmd_id(cmd);
1055                         info = &aac->hba_map[bus][cid];
1056                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1057                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1058                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1059                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1060                         }
1061                 }
1062         }
1063
1064         pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1065
1066         /*
1067          * Check the health of the controller
1068          */
1069         status = aac_adapter_check_health(aac);
1070         if (status)
1071                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1072
1073         count = get_num_of_incomplete_fibs(aac);
1074         return (count == 0) ? SUCCESS : FAILED;
1075 }
1076
1077 /*
1078  *      aac_eh_host_reset       - Host reset command handling
1079  *      @scsi_cmd:      SCSI command block causing the reset
1080  *
1081  */
1082 static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1083 {
1084         struct scsi_device * dev = cmd->device;
1085         struct Scsi_Host * host = dev->host;
1086         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1087         int ret = FAILED;
1088         __le32 supported_options2 = 0;
1089         bool is_mu_reset;
1090         bool is_ignore_reset;
1091         bool is_doorbell_reset;
1092
1093         /*
1094          * Check if reset is supported by the firmware
1095          */
1096         supported_options2 = aac->supplement_adapter_info.supported_options2;
1097         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1098         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1099         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1100         /*
1101          * This adapter needs a blind reset, only do so for
1102          * Adapters that support a register, instead of a commanded,
1103          * reset.
1104          */
1105         if ((is_mu_reset || is_doorbell_reset)
1106          && aac_check_reset
1107          && (aac_check_reset != -1 || !is_ignore_reset)) {
1108                 /* Bypass wait for command quiesce */
1109                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1110                         ret = SUCCESS;
1111         }
1112         /*
1113          * Reset EH state
1114          */
1115         if (ret == SUCCESS) {
1116                 int bus, cid;
1117                 struct aac_hba_map_info *info;
1118
1119                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1120                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1121                                 info = &aac->hba_map[bus][cid];
1122                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1123                                         info->reset_state = 0;
1124                         }
1125                 }
1126         }
1127         return ret;
1128 }
1129
1130 /**
1131  *      aac_cfg_open            -       open a configuration file
1132  *      @inode: inode being opened
1133  *      @file: file handle attached
1134  *
1135  *      Called when the configuration device is opened. Does the needed
1136  *      set up on the handle and then returns
1137  *
1138  *      Bugs: This needs extending to check a given adapter is present
1139  *      so we can support hot plugging, and to ref count adapters.
1140  */
1141
1142 static int aac_cfg_open(struct inode *inode, struct file *file)
1143 {
1144         struct aac_dev *aac;
1145         unsigned minor_number = iminor(inode);
1146         int err = -ENODEV;
1147
1148         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1149         list_for_each_entry(aac, &aac_devices, entry) {
1150                 if (aac->id == minor_number) {
1151                         file->private_data = aac;
1152                         err = 0;
1153                         break;
1154                 }
1155         }
1156         mutex_unlock(&aac_mutex);
1157
1158         return err;
1159 }
1160
1161 /**
1162  *      aac_cfg_ioctl           -       AAC configuration request
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;
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
1661         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1662                 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1663                 if (error) {
1664                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1665                         goto out_disable_pdev;
1666                 }
1667         }
1668
1669         /*
1670          * If the quirk31 bit is set, the adapter needs adapter
1671          * to driver communication memory to be allocated below 2gig
1672          */
1673         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1674                 dmamask = DMA_BIT_MASK(31);
1675                 mask_bits = 31;
1676         } else {
1677                 dmamask = DMA_BIT_MASK(32);
1678                 mask_bits = 32;
1679         }
1680
1681         error = pci_set_consistent_dma_mask(pdev, dmamask);
1682         if (error) {
1683                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1684                                 , mask_bits);
1685                 goto out_disable_pdev;
1686         }
1687
1688         pci_set_master(pdev);
1689
1690         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1691         if (!shost) {
1692                 error = -ENOMEM;
1693                 goto out_disable_pdev;
1694         }
1695
1696         shost->irq = pdev->irq;
1697         shost->unique_id = unique_id;
1698         shost->max_cmd_len = 16;
1699
1700         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1701                 aac_init_char();
1702
1703         aac = (struct aac_dev *)shost->hostdata;
1704         aac->base_start = pci_resource_start(pdev, 0);
1705         aac->scsi_host_ptr = shost;
1706         aac->pdev = pdev;
1707         aac->name = aac_driver_template.name;
1708         aac->id = shost->unique_id;
1709         aac->cardtype = index;
1710         INIT_LIST_HEAD(&aac->entry);
1711
1712         if (aac_reset_devices || reset_devices)
1713                 aac->init_reset = true;
1714
1715         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1716                             sizeof(struct fib),
1717                             GFP_KERNEL);
1718         if (!aac->fibs) {
1719                 error = -ENOMEM;
1720                 goto out_free_host;
1721         }
1722
1723         spin_lock_init(&aac->fib_lock);
1724
1725         mutex_init(&aac->ioctl_mutex);
1726         mutex_init(&aac->scan_mutex);
1727
1728         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1729         INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1730                                 aac_src_reinit_aif_worker);
1731         /*
1732          *      Map in the registers from the adapter.
1733          */
1734         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1735         if ((*aac_drivers[index].init)(aac)) {
1736                 error = -ENODEV;
1737                 goto out_unmap;
1738         }
1739
1740         if (aac->sync_mode) {
1741                 if (aac_sync_mode)
1742                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1743                                 "by driver parameter. This will cause "
1744                                 "a significant performance decrease!\n",
1745                                 aac->name,
1746                                 aac->id);
1747                 else
1748                         printk(KERN_INFO "%s%d: Async. mode not supported "
1749                                 "by current driver, sync. mode enforced."
1750                                 "\nPlease update driver to get full performance.\n",
1751                                 aac->name,
1752                                 aac->id);
1753         }
1754
1755         /*
1756          *      Start any kernel threads needed
1757          */
1758         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1759         if (IS_ERR(aac->thread)) {
1760                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1761                 error = PTR_ERR(aac->thread);
1762                 aac->thread = NULL;
1763                 goto out_deinit;
1764         }
1765
1766         aac->maximum_num_channels = aac_drivers[index].channels;
1767         error = aac_get_adapter_info(aac);
1768         if (error < 0)
1769                 goto out_deinit;
1770
1771         /*
1772          * Lets override negotiations and drop the maximum SG limit to 34
1773          */
1774         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1775                         (shost->sg_tablesize > 34)) {
1776                 shost->sg_tablesize = 34;
1777                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1778         }
1779
1780         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1781                         (shost->sg_tablesize > 17)) {
1782                 shost->sg_tablesize = 17;
1783                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1784         }
1785
1786         if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1787                 shost->max_segment_size = shost->max_sectors << 9;
1788         else
1789                 shost->max_segment_size = 65536;
1790
1791         /*
1792          * Firmware printf works only with older firmware.
1793          */
1794         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1795                 aac->printf_enabled = 1;
1796         else
1797                 aac->printf_enabled = 0;
1798
1799         /*
1800          * max channel will be the physical channels plus 1 virtual channel
1801          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1802          * physical channels are address by their actual physical number+1
1803          */
1804         if (aac->nondasd_support || expose_physicals || aac->jbod)
1805                 shost->max_channel = aac->maximum_num_channels;
1806         else
1807                 shost->max_channel = 0;
1808
1809         aac_get_config_status(aac, 0);
1810         aac_get_containers(aac);
1811         list_add(&aac->entry, insert);
1812
1813         shost->max_id = aac->maximum_num_containers;
1814         if (shost->max_id < aac->maximum_num_physicals)
1815                 shost->max_id = aac->maximum_num_physicals;
1816         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1817                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1818         else
1819                 shost->this_id = shost->max_id;
1820
1821         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1822                 aac_intr_normal(aac, 0, 2, 0, NULL);
1823
1824         /*
1825          * dmb - we may need to move the setting of these parms somewhere else once
1826          * we get a fib that can report the actual numbers
1827          */
1828         shost->max_lun = AAC_MAX_LUN;
1829
1830         pci_set_drvdata(pdev, shost);
1831
1832         error = scsi_add_host(shost, &pdev->dev);
1833         if (error)
1834                 goto out_deinit;
1835
1836         aac_scan_host(aac);
1837
1838         pci_enable_pcie_error_reporting(pdev);
1839         pci_save_state(pdev);
1840
1841         return 0;
1842
1843  out_deinit:
1844         __aac_shutdown(aac);
1845  out_unmap:
1846         aac_fib_map_free(aac);
1847         if (aac->comm_addr)
1848                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1849                                   aac->comm_addr, aac->comm_phys);
1850         kfree(aac->queues);
1851         aac_adapter_ioremap(aac, 0);
1852         kfree(aac->fibs);
1853         kfree(aac->fsa_dev);
1854  out_free_host:
1855         scsi_host_put(shost);
1856  out_disable_pdev:
1857         pci_disable_device(pdev);
1858  out:
1859         return error;
1860 }
1861
1862 static void aac_release_resources(struct aac_dev *aac)
1863 {
1864         aac_adapter_disable_int(aac);
1865         aac_free_irq(aac);
1866 }
1867
1868 static int aac_acquire_resources(struct aac_dev *dev)
1869 {
1870         unsigned long status;
1871         /*
1872          *      First clear out all interrupts.  Then enable the one's that we
1873          *      can handle.
1874          */
1875         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1876                 || status == 0xffffffff)
1877                         msleep(20);
1878
1879         aac_adapter_disable_int(dev);
1880         aac_adapter_enable_int(dev);
1881
1882
1883         if (aac_is_src(dev))
1884                 aac_define_int_mode(dev);
1885
1886         if (dev->msi_enabled)
1887                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1888
1889         if (aac_acquire_irq(dev))
1890                 goto error_iounmap;
1891
1892         aac_adapter_enable_int(dev);
1893
1894         /*max msix may change  after EEH
1895          * Re-assign vectors to fibs
1896          */
1897         aac_fib_vector_assign(dev);
1898
1899         if (!dev->sync_mode) {
1900                 /* After EEH recovery or suspend resume, max_msix count
1901                  * may change, therefore updating in init as well.
1902                  */
1903                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1904                 aac_adapter_start(dev);
1905         }
1906         return 0;
1907
1908 error_iounmap:
1909         return -1;
1910
1911 }
1912
1913 #if (defined(CONFIG_PM))
1914 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1915 {
1916
1917         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1918         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1919
1920         scsi_host_block(shost);
1921         aac_cancel_rescan_worker(aac);
1922         aac_send_shutdown(aac);
1923
1924         aac_release_resources(aac);
1925
1926         pci_set_drvdata(pdev, shost);
1927         pci_save_state(pdev);
1928         pci_disable_device(pdev);
1929         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1930
1931         return 0;
1932 }
1933
1934 static int aac_resume(struct pci_dev *pdev)
1935 {
1936         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1937         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1938         int r;
1939
1940         pci_set_power_state(pdev, PCI_D0);
1941         pci_enable_wake(pdev, PCI_D0, 0);
1942         pci_restore_state(pdev);
1943         r = pci_enable_device(pdev);
1944
1945         if (r)
1946                 goto fail_device;
1947
1948         pci_set_master(pdev);
1949         if (aac_acquire_resources(aac))
1950                 goto fail_device;
1951         /*
1952         * reset this flag to unblock ioctl() as it was set at
1953         * aac_send_shutdown() to block ioctls from upperlayer
1954         */
1955         aac->adapter_shutdown = 0;
1956         scsi_host_unblock(shost, SDEV_RUNNING);
1957
1958         return 0;
1959
1960 fail_device:
1961         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1962         scsi_host_put(shost);
1963         pci_disable_device(pdev);
1964         return -ENODEV;
1965 }
1966 #endif
1967
1968 static void aac_shutdown(struct pci_dev *dev)
1969 {
1970         struct Scsi_Host *shost = pci_get_drvdata(dev);
1971
1972         scsi_host_block(shost);
1973         __aac_shutdown((struct aac_dev *)shost->hostdata);
1974 }
1975
1976 static void aac_remove_one(struct pci_dev *pdev)
1977 {
1978         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1979         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1980
1981         aac_cancel_rescan_worker(aac);
1982         scsi_remove_host(shost);
1983
1984         __aac_shutdown(aac);
1985         aac_fib_map_free(aac);
1986         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1987                           aac->comm_phys);
1988         kfree(aac->queues);
1989
1990         aac_adapter_ioremap(aac, 0);
1991
1992         kfree(aac->fibs);
1993         kfree(aac->fsa_dev);
1994
1995         list_del(&aac->entry);
1996         scsi_host_put(shost);
1997         pci_disable_device(pdev);
1998         if (list_empty(&aac_devices)) {
1999                 unregister_chrdev(aac_cfg_major, "aac");
2000                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
2001         }
2002 }
2003
2004 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
2005                                         pci_channel_state_t error)
2006 {
2007         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2008         struct aac_dev *aac = shost_priv(shost);
2009
2010         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2011
2012         switch (error) {
2013         case pci_channel_io_normal:
2014                 return PCI_ERS_RESULT_CAN_RECOVER;
2015         case pci_channel_io_frozen:
2016                 aac->handle_pci_error = 1;
2017
2018                 scsi_host_block(shost);
2019                 aac_cancel_rescan_worker(aac);
2020                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
2021                 aac_release_resources(aac);
2022
2023                 pci_disable_pcie_error_reporting(pdev);
2024                 aac_adapter_ioremap(aac, 0);
2025
2026                 return PCI_ERS_RESULT_NEED_RESET;
2027         case pci_channel_io_perm_failure:
2028                 aac->handle_pci_error = 1;
2029
2030                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
2031                 return PCI_ERS_RESULT_DISCONNECT;
2032         }
2033
2034         return PCI_ERS_RESULT_NEED_RESET;
2035 }
2036
2037 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2038 {
2039         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2040         return PCI_ERS_RESULT_NEED_RESET;
2041 }
2042
2043 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2044 {
2045         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2046         pci_restore_state(pdev);
2047         if (pci_enable_device(pdev)) {
2048                 dev_warn(&pdev->dev,
2049                         "aacraid: failed to enable slave\n");
2050                 goto fail_device;
2051         }
2052
2053         pci_set_master(pdev);
2054
2055         if (pci_enable_device_mem(pdev)) {
2056                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2057                 goto fail_device;
2058         }
2059
2060         return PCI_ERS_RESULT_RECOVERED;
2061
2062 fail_device:
2063         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2064         return PCI_ERS_RESULT_DISCONNECT;
2065 }
2066
2067
2068 static void aac_pci_resume(struct pci_dev *pdev)
2069 {
2070         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2071         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2072
2073         if (aac_adapter_ioremap(aac, aac->base_size)) {
2074
2075                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2076                 /* remap failed, go back ... */
2077                 aac->comm_interface = AAC_COMM_PRODUCER;
2078                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2079                         dev_warn(&pdev->dev,
2080                                 "aacraid: unable to map adapter.\n");
2081
2082                         return;
2083                 }
2084         }
2085
2086         msleep(10000);
2087
2088         aac_acquire_resources(aac);
2089
2090         /*
2091          * reset this flag to unblock ioctl() as it was set
2092          * at aac_send_shutdown() to block ioctls from upperlayer
2093          */
2094         aac->adapter_shutdown = 0;
2095         aac->handle_pci_error = 0;
2096
2097         scsi_host_unblock(shost, SDEV_RUNNING);
2098         aac_scan_host(aac);
2099         pci_save_state(pdev);
2100
2101         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2102 }
2103
2104 static struct pci_error_handlers aac_pci_err_handler = {
2105         .error_detected         = aac_pci_error_detected,
2106         .mmio_enabled           = aac_pci_mmio_enabled,
2107         .slot_reset             = aac_pci_slot_reset,
2108         .resume                 = aac_pci_resume,
2109 };
2110
2111 static struct pci_driver aac_pci_driver = {
2112         .name           = AAC_DRIVERNAME,
2113         .id_table       = aac_pci_tbl,
2114         .probe          = aac_probe_one,
2115         .remove         = aac_remove_one,
2116 #if (defined(CONFIG_PM))
2117         .suspend        = aac_suspend,
2118         .resume         = aac_resume,
2119 #endif
2120         .shutdown       = aac_shutdown,
2121         .err_handler    = &aac_pci_err_handler,
2122 };
2123
2124 static int __init aac_init(void)
2125 {
2126         int error;
2127
2128         printk(KERN_INFO "Adaptec %s driver %s\n",
2129           AAC_DRIVERNAME, aac_driver_version);
2130
2131         error = pci_register_driver(&aac_pci_driver);
2132         if (error < 0)
2133                 return error;
2134
2135         aac_init_char();
2136
2137
2138         return 0;
2139 }
2140
2141 static void __exit aac_exit(void)
2142 {
2143         if (aac_cfg_major > -1)
2144                 unregister_chrdev(aac_cfg_major, "aac");
2145         pci_unregister_driver(&aac_pci_driver);
2146 }
2147
2148 module_init(aac_init);
2149 module_exit(aac_exit);