drivers/scsi/aacraid/linit.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *      Adaptec AAC series RAID controller driver
   4  *      (c) Copyright 2001 Red Hat Inc.
   5  *
   6  * based on the old aacraid driver that is..
   7  * Adaptec aacraid device driver for Linux.
   8  *
   9  * Copyright (c) 2000-2010 Adaptec, Inc.
  10  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  11  *               2016-2017 Microsemi Corp. (aacraid@microsemi.com)
  12  *
  13  * Module Name:
  14  *   linit.c
  15  *
  16  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  17  */
  18
  19
  20 #include <linux/compat.h>
  21 #include <linux/blkdev.h>
  22 #include <linux/completion.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/kernel.h>
  26 #include <linux/module.h>
  27 #include <linux/moduleparam.h>
  28 #include <linux/pci.h>
  29 #include <linux/aer.h>
  30 #include <linux/slab.h>
  31 #include <linux/mutex.h>
  32 #include <linux/spinlock.h>
  33 #include <linux/syscalls.h>
  34 #include <linux/delay.h>
  35 #include <linux/kthread.h>
  36 #include <linux/msdos_partition.h>
  37
  38 #include <scsi/scsi.h>
  39 #include <scsi/scsi_cmnd.h>
  40 #include <scsi/scsi_device.h>
  41 #include <scsi/scsi_host.h>
  42 #include <scsi/scsi_tcq.h>
  43 #include <scsi/scsicam.h>
  44 #include <scsi/scsi_eh.h>
  45
  46 #include "aacraid.h"
  47
  48 #define AAC_DRIVER_VERSION              "1.2.1"
  49 #ifndef AAC_DRIVER_BRANCH
  50 #define AAC_DRIVER_BRANCH               ""
  51 #endif
  52 #define AAC_DRIVERNAME                  "aacraid"
  53
  54 #ifdef AAC_DRIVER_BUILD
  55 #define _str(x) #x
  56 #define str(x) _str(x)
  57 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  58 #else
  59 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  60 #endif
  61
  62 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  64                    "Adaptec Advanced Raid Products, "
  65                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  66 MODULE_LICENSE("GPL");
  67 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  68
  69 static DEFINE_MUTEX(aac_mutex);
  70 static LIST_HEAD(aac_devices);
  71 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  72 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  73
  74 /*
  75  * Because of the way Linux names scsi devices, the order in this table has
  76  * become important.  Check for on-board Raid first, add-in cards second.
  77  *
  78  * Note: The last field is used to index into aac_drivers below.
  79  */
  80 static const struct pci_device_id aac_pci_tbl[] = {
  81         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  82         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  83         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  84         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  85         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  86         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  87         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  88         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  89         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
  90         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
  91         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
  92         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
  93         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
  94         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
  95         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
  96         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
  97
  98         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
  99         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 100         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 101         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 102         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 103         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 104         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 105         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 106         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 107         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 108         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 109         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 110         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 111         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 112         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 113         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 114         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 115         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 116         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 117         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 118         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 119         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 120         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 121         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 122         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 123         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 124         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 125         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 126         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 127         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 128         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 129         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 130         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 131         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 132         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 133         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 134         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 135         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 136
 137         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 138         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 139         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 140         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 141         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 142
 143         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 144         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 145         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 146         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 147         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 148         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 149         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 150         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 151         { 0,}
 152 };
 153 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 154
 155 /*
 156  * dmb - For now we add the number of channels to this structure.
 157  * In the future we should add a fib that reports the number of channels
 158  * for the card.  At that time we can remove the channels from here
 159  */
 160 static struct aac_driver_ident aac_drivers[] = {
 161         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 162         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 163         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 164         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 165         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 166         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 169         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 170         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 171         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 172         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 173         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 174         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 175         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 176         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 177
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 180         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 181         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 182         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 183         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 184         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 185         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 186         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 187         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 188         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 190         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 191         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 192         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 193         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 194         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 195         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 197         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 198         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 199         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 200         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 201         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 202         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 205         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 206         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 207         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 208         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 209         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 213         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 214
 215         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 216         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 217         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 218         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 219         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 220
 221         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 222         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 224         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 225         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 226         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
 227         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
 228         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
 229 };
 230
 231 /**
 232  *      aac_queuecommand        -       queue a SCSI command
 233  *      @cmd:           SCSI command to queue
 234  *      @done:          Function to call on command completion
 235  *
 236  *      Queues a command for execution by the associated Host Adapter.
 237  *
 238  *      TODO: unify with aac_scsi_cmd().
 239  */
 240
 241 static int aac_queuecommand(struct Scsi_Host *shost,
 242                             struct scsi_cmnd *cmd)
 243 {
 244         int r = 0;
 245         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 246         r = (aac_scsi_cmd(cmd) ? FAILED : 0);
 247         return r;
 248 }
 249
 250 /**
 251  *      aac_info                -       Returns the host adapter name
 252  *      @shost:         Scsi host to report on
 253  *
 254  *      Returns a static string describing the device in question
 255  */
 256
 257 static const char *aac_info(struct Scsi_Host *shost)
 258 {
 259         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 260         return aac_drivers[dev->cardtype].name;
 261 }
 262
 263 /**
 264  *      aac_get_driver_ident
 265  *      @devtype: index into lookup table
 266  *
 267  *      Returns a pointer to the entry in the driver lookup table.
 268  */
 269
 270 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 271 {
 272         return &aac_drivers[devtype];
 273 }
 274
 275 /**
 276  *      aac_biosparm    -       return BIOS parameters for disk
 277  *      @sdev: The scsi device corresponding to the disk
 278  *      @bdev: the block device corresponding to the disk
 279  *      @capacity: the sector capacity of the disk
 280  *      @geom: geometry block to fill in
 281  *
 282  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 283  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 284  *      number of cylinders so as not to exceed drive capacity.  In order for
 285  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 286  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 287  *      Translation should be enabled.   With Extended Translation enabled,
 288  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 289  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 290  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 291  *      the BIOS detects that the Extended Translation setting does not match
 292  *      the geometry in the partition table, then the translation inferred
 293  *      from the partition table will be used by the BIOS, and a warning may
 294  *      be displayed.
 295  */
 296
 297 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 298                         sector_t capacity, int *geom)
 299 {
 300         struct diskparm *param = (struct diskparm *)geom;
 301         unsigned char *buf;
 302
 303         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 304
 305         /*
 306          *      Assuming extended translation is enabled - #REVISIT#
 307          */
 308         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 309                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 310                         param->heads = 255;
 311                         param->sectors = 63;
 312                 } else {
 313                         param->heads = 128;
 314                         param->sectors = 32;
 315                 }
 316         } else {
 317                 param->heads = 64;
 318                 param->sectors = 32;
 319         }
 320
 321         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 322
 323         /*
 324          *      Read the first 1024 bytes from the disk device, if the boot
 325          *      sector partition table is valid, search for a partition table
 326          *      entry whose end_head matches one of the standard geometry
 327          *      translations ( 64/32, 128/32, 255/63 ).
 328          */
 329         buf = scsi_bios_ptable(bdev);
 330         if (!buf)
 331                 return 0;
 332         if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
 333                 struct msdos_partition *first = (struct msdos_partition *)buf;
 334                 struct msdos_partition *entry = first;
 335                 int saved_cylinders = param->cylinders;
 336                 int num;
 337                 unsigned char end_head, end_sec;
 338
 339                 for(num = 0; num < 4; num++) {
 340                         end_head = entry->end_head;
 341                         end_sec = entry->end_sector & 0x3f;
 342
 343                         if(end_head == 63) {
 344                                 param->heads = 64;
 345                                 param->sectors = 32;
 346                                 break;
 347                         } else if(end_head == 127) {
 348                                 param->heads = 128;
 349                                 param->sectors = 32;
 350                                 break;
 351                         } else if(end_head == 254) {
 352                                 param->heads = 255;
 353                                 param->sectors = 63;
 354                                 break;
 355                         }
 356                         entry++;
 357                 }
 358
 359                 if (num == 4) {
 360                         end_head = first->end_head;
 361                         end_sec = first->end_sector & 0x3f;
 362                 }
 363
 364                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 365                 if (num < 4 && end_sec == param->sectors) {
 366                         if (param->cylinders != saved_cylinders)
 367                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 368                                         param->heads, param->sectors, num));
 369                 } else if (end_head > 0 || end_sec > 0) {
 370                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 371                                 end_head + 1, end_sec, num));
 372                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 373                                         param->heads, param->sectors));
 374                 }
 375         }
 376         kfree(buf);
 377         return 0;
 378 }
 379
 380 /**
 381  *      aac_slave_configure             -       compute queue depths
 382  *      @sdev:  SCSI device we are considering
 383  *
 384  *      Selects queue depths for each target device based on the host adapter's
 385  *      total capacity and the queue depth supported by the target device.
 386  *      A queue depth of one automatically disables tagged queueing.
 387  */
 388
 389 static int aac_slave_configure(struct scsi_device *sdev)
 390 {
 391         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 392         int chn, tid;
 393         unsigned int depth = 0;
 394         unsigned int set_timeout = 0;
 395         int timeout = 0;
 396         bool set_qd_dev_type = false;
 397         u8 devtype = 0;
 398
 399         chn = aac_logical_to_phys(sdev_channel(sdev));
 400         tid = sdev_id(sdev);
 401         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 402                 devtype = aac->hba_map[chn][tid].devtype;
 403
 404                 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
 405                         depth = aac->hba_map[chn][tid].qd_limit;
 406                         set_timeout = 1;
 407                         goto common_config;
 408                 }
 409                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 410                         set_qd_dev_type = true;
 411                         set_timeout = 1;
 412                         goto common_config;
 413                 }
 414         }
 415
 416         if (aac->jbod && (sdev->type == TYPE_DISK))
 417                 sdev->removable = 1;
 418
 419         if (sdev->type == TYPE_DISK
 420          && sdev_channel(sdev) != CONTAINER_CHANNEL
 421          && (!aac->jbod || sdev->inq_periph_qual)
 422          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 423
 424                 if (expose_physicals == 0)
 425                         return -ENXIO;
 426
 427                 if (expose_physicals < 0)
 428                         sdev->no_uld_attach = 1;
 429         }
 430
 431         if (sdev->tagged_supported
 432          &&  sdev->type == TYPE_DISK
 433          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 434          && !sdev->no_uld_attach) {
 435
 436                 struct scsi_device * dev;
 437                 struct Scsi_Host *host = sdev->host;
 438                 unsigned num_lsu = 0;
 439                 unsigned num_one = 0;
 440                 unsigned cid;
 441
 442                 set_timeout = 1;
 443
 444                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 445                         if (aac->fsa_dev[cid].valid)
 446                                 ++num_lsu;
 447
 448                 __shost_for_each_device(dev, host) {
 449                         if (dev->tagged_supported
 450                          && dev->type == TYPE_DISK
 451                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 452                          && !dev->no_uld_attach) {
 453                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 454                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 455                                         ++num_lsu;
 456                                 }
 457                         } else {
 458                                 ++num_one;
 459                         }
 460                 }
 461
 462                 if (num_lsu == 0)
 463                         ++num_lsu;
 464
 465                 depth = (host->can_queue - num_one) / num_lsu;
 466
 467                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 468                         goto common_config;
 469
 470                 set_qd_dev_type = true;
 471
 472         }
 473
 474 common_config:
 475
 476         /*
 477          * Check if SATA drive
 478          */
 479         if (set_qd_dev_type) {
 480                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 481                         depth = 32;
 482                 else
 483                         depth = 64;
 484         }
 485
 486         /*
 487          * Firmware has an individual device recovery time typically
 488          * of 35 seconds, give us a margin. Thor devices can take longer in
 489          * error recovery, hence different value.
 490          */
 491         if (set_timeout) {
 492                 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
 493                 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
 494         }
 495
 496         if (depth > 256)
 497                 depth = 256;
 498         else if (depth < 1)
 499                 depth = 1;
 500
 501         scsi_change_queue_depth(sdev, depth);
 502
 503         sdev->tagged_supported = 1;
 504
 505         return 0;
 506 }
 507
 508 /**
 509  *      aac_change_queue_depth          -       alter queue depths
 510  *      @sdev:  SCSI device we are considering
 511  *      @depth: desired queue depth
 512  *
 513  *      Alters queue depths for target device based on the host adapter's
 514  *      total capacity and the queue depth supported by the target device.
 515  */
 516
 517 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 518 {
 519         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 520         int chn, tid, is_native_device = 0;
 521
 522         chn = aac_logical_to_phys(sdev_channel(sdev));
 523         tid = sdev_id(sdev);
 524         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 525                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 526                 is_native_device = 1;
 527
 528         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 529             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 530                 struct scsi_device * dev;
 531                 struct Scsi_Host *host = sdev->host;
 532                 unsigned num = 0;
 533
 534                 __shost_for_each_device(dev, host) {
 535                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 536                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 537                                 ++num;
 538                         ++num;
 539                 }
 540                 if (num >= host->can_queue)
 541                         num = host->can_queue - 1;
 542                 if (depth > (host->can_queue - num))
 543                         depth = host->can_queue - num;
 544                 if (depth > 256)
 545                         depth = 256;
 546                 else if (depth < 2)
 547                         depth = 2;
 548                 return scsi_change_queue_depth(sdev, depth);
 549         } else if (is_native_device) {
 550                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 551         } else {
 552                 scsi_change_queue_depth(sdev, 1);
 553         }
 554         return sdev->queue_depth;
 555 }
 556
 557 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 558 {
 559         struct scsi_device *sdev = to_scsi_device(dev);
 560         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 561         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 562                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 563                   ? "Hidden\n" :
 564                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 565         return snprintf(buf, PAGE_SIZE, "%s\n",
 566           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 567 }
 568
 569 static struct device_attribute aac_raid_level_attr = {
 570         .attr = {
 571                 .name = "level",
 572                 .mode = S_IRUGO,
 573         },
 574         .show = aac_show_raid_level
 575 };
 576
 577 static ssize_t aac_show_unique_id(struct device *dev,
 578              struct device_attribute *attr, char *buf)
 579 {
 580         struct scsi_device *sdev = to_scsi_device(dev);
 581         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 582         unsigned char sn[16];
 583
 584         memset(sn, 0, sizeof(sn));
 585
 586         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 587                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 588
 589         return snprintf(buf, 16 * 2 + 2,
 590                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 591                 sn[0], sn[1], sn[2], sn[3],
 592                 sn[4], sn[5], sn[6], sn[7],
 593                 sn[8], sn[9], sn[10], sn[11],
 594                 sn[12], sn[13], sn[14], sn[15]);
 595 }
 596
 597 static struct device_attribute aac_unique_id_attr = {
 598         .attr = {
 599                 .name = "unique_id",
 600                 .mode = 0444,
 601         },
 602         .show = aac_show_unique_id
 603 };
 604
 605
 606
 607 static struct device_attribute *aac_dev_attrs[] = {
 608         &aac_raid_level_attr,
 609         &aac_unique_id_attr,
 610         NULL,
 611 };
 612
 613 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 614                      void __user *arg)
 615 {
 616         int retval;
 617         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 618         if (!capable(CAP_SYS_RAWIO))
 619                 return -EPERM;
 620         retval = aac_adapter_check_health(dev);
 621         if (retval)
 622                 return -EBUSY;
 623         return aac_do_ioctl(dev, cmd, arg);
 624 }
 625
 626 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 627 {
 628
 629         unsigned long flags;
 630         struct scsi_device *sdev = NULL;
 631         struct Scsi_Host *shost = aac->scsi_host_ptr;
 632         struct scsi_cmnd *scmnd = NULL;
 633         struct device *ctrl_dev;
 634
 635         int mlcnt  = 0;
 636         int llcnt  = 0;
 637         int ehcnt  = 0;
 638         int fwcnt  = 0;
 639         int krlcnt = 0;
 640
 641         __shost_for_each_device(sdev, shost) {
 642                 spin_lock_irqsave(&sdev->list_lock, flags);
 643                 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
 644                         switch (scmnd->SCp.phase) {
 645                         case AAC_OWNER_FIRMWARE:
 646                                 fwcnt++;
 647                                 break;
 648                         case AAC_OWNER_ERROR_HANDLER:
 649                                 ehcnt++;
 650                                 break;
 651                         case AAC_OWNER_LOWLEVEL:
 652                                 llcnt++;
 653                                 break;
 654                         case AAC_OWNER_MIDLEVEL:
 655                                 mlcnt++;
 656                                 break;
 657                         default:
 658                                 krlcnt++;
 659                                 break;
 660                         }
 661                 }
 662                 spin_unlock_irqrestore(&sdev->list_lock, flags);
 663         }
 664
 665         ctrl_dev = &aac->pdev->dev;
 666
 667         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
 668         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
 669         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
 670         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
 671         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
 672
 673         return mlcnt + llcnt + ehcnt + fwcnt;
 674 }
 675
 676 static int aac_eh_abort(struct scsi_cmnd* cmd)
 677 {
 678         struct scsi_device * dev = cmd->device;
 679         struct Scsi_Host * host = dev->host;
 680         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 681         int count, found;
 682         u32 bus, cid;
 683         int ret = FAILED;
 684
 685         if (aac_adapter_check_health(aac))
 686                 return ret;
 687
 688         bus = aac_logical_to_phys(scmd_channel(cmd));
 689         cid = scmd_id(cmd);
 690         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 691                 struct fib *fib;
 692                 struct aac_hba_tm_req *tmf;
 693                 int status;
 694                 u64 address;
 695
 696                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 697                  AAC_DRIVERNAME,
 698                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 699
 700                 found = 0;
 701                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 702                         fib = &aac->fibs[count];
 703                         if (*(u8 *)fib->hw_fib_va != 0 &&
 704                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 705                                 (fib->callback_data == cmd)) {
 706                                 found = 1;
 707                                 break;
 708                         }
 709                 }
 710                 if (!found)
 711                         return ret;
 712
 713                 /* start a HBA_TMF_ABORT_TASK TMF request */
 714                 fib = aac_fib_alloc(aac);
 715                 if (!fib)
 716                         return ret;
 717
 718                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 719                 memset(tmf, 0, sizeof(*tmf));
 720                 tmf->tmf = HBA_TMF_ABORT_TASK;
 721                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 722                 tmf->lun[1] = cmd->device->lun;
 723
 724                 address = (u64)fib->hw_error_pa;
 725                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 726                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 727                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 728
 729                 fib->hbacmd_size = sizeof(*tmf);
 730                 cmd->SCp.sent_command = 0;
 731
 732                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 733                                   (fib_callback) aac_hba_callback,
 734                                   (void *) cmd);
 735
 736                 /* Wait up to 15 secs for completion */
 737                 for (count = 0; count < 15; ++count) {
 738                         if (cmd->SCp.sent_command) {
 739                                 ret = SUCCESS;
 740                                 break;
 741                         }
 742                         msleep(1000);
 743                 }
 744
 745                 if (ret != SUCCESS)
 746                         pr_err("%s: Host adapter abort request timed out\n",
 747                         AAC_DRIVERNAME);
 748         } else {
 749                 pr_err(
 750                         "%s: Host adapter abort request.\n"
 751                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 752                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 753                         host->host_no, sdev_channel(dev), sdev_id(dev),
 754                         (int)dev->lun);
 755                 switch (cmd->cmnd[0]) {
 756                 case SERVICE_ACTION_IN_16:
 757                         if (!(aac->raw_io_interface) ||
 758                             !(aac->raw_io_64) ||
 759                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 760                                 break;
 761                         /* fall through */
 762                 case INQUIRY:
 763                 case READ_CAPACITY:
 764                         /*
 765                          * Mark associated FIB to not complete,
 766                          * eh handler does this
 767                          */
 768                         for (count = 0;
 769                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 770                                 ++count) {
 771                                 struct fib *fib = &aac->fibs[count];
 772
 773                                 if (fib->hw_fib_va->header.XferState &&
 774                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 775                                 (fib->callback_data == cmd)) {
 776                                         fib->flags |=
 777                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 778                                         cmd->SCp.phase =
 779                                                 AAC_OWNER_ERROR_HANDLER;
 780                                         ret = SUCCESS;
 781                                 }
 782                         }
 783                         break;
 784                 case TEST_UNIT_READY:
 785                         /*
 786                          * Mark associated FIB to not complete,
 787                          * eh handler does this
 788                          */
 789                         for (count = 0;
 790                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 791                                 ++count) {
 792                                 struct scsi_cmnd *command;
 793                                 struct fib *fib = &aac->fibs[count];
 794
 795                                 command = fib->callback_data;
 796
 797                                 if ((fib->hw_fib_va->header.XferState &
 798                                         cpu_to_le32
 799                                         (Async | NoResponseExpected)) &&
 800                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 801                                         ((command)) &&
 802                                         (command->device == cmd->device)) {
 803                                         fib->flags |=
 804                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 805                                         command->SCp.phase =
 806                                                 AAC_OWNER_ERROR_HANDLER;
 807                                         if (command == cmd)
 808                                                 ret = SUCCESS;
 809                                 }
 810                         }
 811                         break;
 812                 }
 813         }
 814         return ret;
 815 }
 816
 817 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 818                                    struct fib *fib, u64 tmf_lun)
 819 {
 820         struct aac_hba_tm_req *tmf;
 821         u64 address;
 822
 823         /* start a HBA_TMF_LUN_RESET TMF request */
 824         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 825         memset(tmf, 0, sizeof(*tmf));
 826         tmf->tmf = HBA_TMF_LUN_RESET;
 827         tmf->it_nexus = info->rmw_nexus;
 828         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 829
 830         address = (u64)fib->hw_error_pa;
 831         tmf->error_ptr_hi = cpu_to_le32
 832                 ((u32)(address >> 32));
 833         tmf->error_ptr_lo = cpu_to_le32
 834                 ((u32)(address & 0xffffffff));
 835         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 836         fib->hbacmd_size = sizeof(*tmf);
 837
 838         return HBA_IU_TYPE_SCSI_TM_REQ;
 839 }
 840
 841 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 842                                     struct fib *fib)
 843 {
 844         struct aac_hba_reset_req *rst;
 845         u64 address;
 846
 847         /* already tried, start a hard reset now */
 848         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 849         memset(rst, 0, sizeof(*rst));
 850         rst->it_nexus = info->rmw_nexus;
 851
 852         address = (u64)fib->hw_error_pa;
 853         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 854         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 855         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 856         fib->hbacmd_size = sizeof(*rst);
 857
 858        return HBA_IU_TYPE_SATA_REQ;
 859 }
 860
 861 void aac_tmf_callback(void *context, struct fib *fibptr)
 862 {
 863         struct aac_hba_resp *err =
 864                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 865         struct aac_hba_map_info *info = context;
 866         int res;
 867
 868         switch (err->service_response) {
 869         case HBA_RESP_SVCRES_TMF_REJECTED:
 870                 res = -1;
 871                 break;
 872         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 873                 res = 0;
 874                 break;
 875         case HBA_RESP_SVCRES_TMF_COMPLETE:
 876         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 877                 res = 0;
 878                 break;
 879         default:
 880                 res = -2;
 881                 break;
 882         }
 883         aac_fib_complete(fibptr);
 884
 885         info->reset_state = res;
 886 }
 887
 888 /*
 889  *      aac_eh_dev_reset        - Device reset command handling
 890  *      @scsi_cmd:      SCSI command block causing the reset
 891  *
 892  */
 893 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 894 {
 895         struct scsi_device * dev = cmd->device;
 896         struct Scsi_Host * host = dev->host;
 897         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 898         struct aac_hba_map_info *info;
 899         int count;
 900         u32 bus, cid;
 901         struct fib *fib;
 902         int ret = FAILED;
 903         int status;
 904         u8 command;
 905
 906         bus = aac_logical_to_phys(scmd_channel(cmd));
 907         cid = scmd_id(cmd);
 908
 909         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 910                 return FAILED;
 911
 912         info = &aac->hba_map[bus][cid];
 913
 914         if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
 915             info->reset_state > 0)
 916                 return FAILED;
 917
 918         pr_err("%s: Host adapter reset request. SCSI hang ?\n",
 919                AAC_DRIVERNAME);
 920
 921         fib = aac_fib_alloc(aac);
 922         if (!fib)
 923                 return ret;
 924
 925         /* start a HBA_TMF_LUN_RESET TMF request */
 926         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 927
 928         info->reset_state = 1;
 929
 930         status = aac_hba_send(command, fib,
 931                               (fib_callback) aac_tmf_callback,
 932                               (void *) info);
 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 adapter 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         /* Wait up to 15 seconds for completion */
 994         for (count = 0; count < 15; ++count) {
 995                 if (info->reset_state <= 0) {
 996                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 997                         break;
 998                 }
 999                 msleep(1000);
1000         }
1001
1002         return ret;
1003 }
1004
1005 /*
1006  *      aac_eh_bus_reset        - Bus reset command handling
1007  *      @scsi_cmd:      SCSI command block causing the reset
1008  *
1009  */
1010 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1011 {
1012         struct scsi_device * dev = cmd->device;
1013         struct Scsi_Host * host = dev->host;
1014         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1015         int count;
1016         u32 cmd_bus;
1017         int status = 0;
1018
1019
1020         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1021         /* Mark the assoc. FIB to not complete, eh handler does this */
1022         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1023                 struct fib *fib = &aac->fibs[count];
1024
1025                 if (fib->hw_fib_va->header.XferState &&
1026                     (fib->flags & FIB_CONTEXT_FLAG) &&
1027                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1028                         struct aac_hba_map_info *info;
1029                         u32 bus, cid;
1030
1031                         cmd = (struct scsi_cmnd *)fib->callback_data;
1032                         bus = aac_logical_to_phys(scmd_channel(cmd));
1033                         if (bus != cmd_bus)
1034                                 continue;
1035                         cid = scmd_id(cmd);
1036                         info = &aac->hba_map[bus][cid];
1037                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1038                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1039                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1040                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1041                         }
1042                 }
1043         }
1044
1045         pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1046
1047         /*
1048          * Check the health of the controller
1049          */
1050         status = aac_adapter_check_health(aac);
1051         if (status)
1052                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1053
1054         count = get_num_of_incomplete_fibs(aac);
1055         return (count == 0) ? SUCCESS : FAILED;
1056 }
1057
1058 /*
1059  *      aac_eh_host_reset       - Host reset command handling
1060  *      @scsi_cmd:      SCSI command block causing the reset
1061  *
1062  */
1063 int aac_eh_host_reset(struct scsi_cmnd *cmd)
1064 {
1065         struct scsi_device * dev = cmd->device;
1066         struct Scsi_Host * host = dev->host;
1067         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1068         int ret = FAILED;
1069         __le32 supported_options2 = 0;
1070         bool is_mu_reset;
1071         bool is_ignore_reset;
1072         bool is_doorbell_reset;
1073
1074         /*
1075          * Check if reset is supported by the firmware
1076          */
1077         supported_options2 = aac->supplement_adapter_info.supported_options2;
1078         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1079         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1080         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1081         /*
1082          * This adapter needs a blind reset, only do so for
1083          * Adapters that support a register, instead of a commanded,
1084          * reset.
1085          */
1086         if ((is_mu_reset || is_doorbell_reset)
1087          && aac_check_reset
1088          && (aac_check_reset != -1 || !is_ignore_reset)) {
1089                 /* Bypass wait for command quiesce */
1090                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1091                         ret = SUCCESS;
1092         }
1093         /*
1094          * Reset EH state
1095          */
1096         if (ret == SUCCESS) {
1097                 int bus, cid;
1098                 struct aac_hba_map_info *info;
1099
1100                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1101                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1102                                 info = &aac->hba_map[bus][cid];
1103                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1104                                         info->reset_state = 0;
1105                         }
1106                 }
1107         }
1108         return ret;
1109 }
1110
1111 /**
1112  *      aac_cfg_open            -       open a configuration file
1113  *      @inode: inode being opened
1114  *      @file: file handle attached
1115  *
1116  *      Called when the configuration device is opened. Does the needed
1117  *      set up on the handle and then returns
1118  *
1119  *      Bugs: This needs extending to check a given adapter is present
1120  *      so we can support hot plugging, and to ref count adapters.
1121  */
1122
1123 static int aac_cfg_open(struct inode *inode, struct file *file)
1124 {
1125         struct aac_dev *aac;
1126         unsigned minor_number = iminor(inode);
1127         int err = -ENODEV;
1128
1129         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1130         list_for_each_entry(aac, &aac_devices, entry) {
1131                 if (aac->id == minor_number) {
1132                         file->private_data = aac;
1133                         err = 0;
1134                         break;
1135                 }
1136         }
1137         mutex_unlock(&aac_mutex);
1138
1139         return err;
1140 }
1141
1142 /**
1143  *      aac_cfg_ioctl           -       AAC configuration request
1144  *      @inode: inode of device
1145  *      @file: file handle
1146  *      @cmd: ioctl command code
1147  *      @arg: argument
1148  *
1149  *      Handles a configuration ioctl. Currently this involves wrapping it
1150  *      up and feeding it into the nasty windowsalike glue layer.
1151  *
1152  *      Bugs: Needs locking against parallel ioctls lower down
1153  *      Bugs: Needs to handle hot plugging
1154  */
1155
1156 static long aac_cfg_ioctl(struct file *file,
1157                 unsigned int cmd, unsigned long arg)
1158 {
1159         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1160
1161         if (!capable(CAP_SYS_RAWIO))
1162                 return -EPERM;
1163
1164         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1165 }
1166
1167 #ifdef CONFIG_COMPAT
1168 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1169 {
1170         long ret;
1171         switch (cmd) {
1172         case FSACTL_MINIPORT_REV_CHECK:
1173         case FSACTL_SENDFIB:
1174         case FSACTL_OPEN_GET_ADAPTER_FIB:
1175         case FSACTL_CLOSE_GET_ADAPTER_FIB:
1176         case FSACTL_SEND_RAW_SRB:
1177         case FSACTL_GET_PCI_INFO:
1178         case FSACTL_QUERY_DISK:
1179         case FSACTL_DELETE_DISK:
1180         case FSACTL_FORCE_DELETE_DISK:
1181         case FSACTL_GET_CONTAINERS:
1182         case FSACTL_SEND_LARGE_FIB:
1183                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1184                 break;
1185
1186         case FSACTL_GET_NEXT_ADAPTER_FIB: {
1187                 struct fib_ioctl __user *f;
1188
1189                 f = compat_alloc_user_space(sizeof(*f));
1190                 ret = 0;
1191                 if (clear_user(f, sizeof(*f)))
1192                         ret = -EFAULT;
1193                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1194                         ret = -EFAULT;
1195                 if (!ret)
1196                         ret = aac_do_ioctl(dev, cmd, f);
1197                 break;
1198         }
1199
1200         default:
1201                 ret = -ENOIOCTLCMD;
1202                 break;
1203         }
1204         return ret;
1205 }
1206
1207 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd,
1208                             void __user *arg)
1209 {
1210         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1211         if (!capable(CAP_SYS_RAWIO))
1212                 return -EPERM;
1213         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1214 }
1215
1216 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1217 {
1218         if (!capable(CAP_SYS_RAWIO))
1219                 return -EPERM;
1220         return aac_compat_do_ioctl(file->private_data, cmd, arg);
1221 }
1222 #endif
1223
1224 static ssize_t aac_show_model(struct device *device,
1225                               struct device_attribute *attr, char *buf)
1226 {
1227         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1228         int len;
1229
1230         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1231                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1232                 while (*cp && *cp != ' ')
1233                         ++cp;
1234                 while (*cp == ' ')
1235                         ++cp;
1236                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1237         } else
1238                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1239                   aac_drivers[dev->cardtype].model);
1240         return len;
1241 }
1242
1243 static ssize_t aac_show_vendor(struct device *device,
1244                                struct device_attribute *attr, char *buf)
1245 {
1246         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1247         struct aac_supplement_adapter_info *sup_adap_info;
1248         int len;
1249
1250         sup_adap_info = &dev->supplement_adapter_info;
1251         if (sup_adap_info->adapter_type_text[0]) {
1252                 char *cp = sup_adap_info->adapter_type_text;
1253                 while (*cp && *cp != ' ')
1254                         ++cp;
1255                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1256                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1257                                         sup_adap_info->adapter_type_text);
1258         } else
1259                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1260                         aac_drivers[dev->cardtype].vname);
1261         return len;
1262 }
1263
1264 static ssize_t aac_show_flags(struct device *cdev,
1265                               struct device_attribute *attr, char *buf)
1266 {
1267         int len = 0;
1268         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1269
1270         if (nblank(dprintk(x)))
1271                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1272 #ifdef AAC_DETAILED_STATUS_INFO
1273         len += snprintf(buf + len, PAGE_SIZE - len,
1274                         "AAC_DETAILED_STATUS_INFO\n");
1275 #endif
1276         if (dev->raw_io_interface && dev->raw_io_64)
1277                 len += snprintf(buf + len, PAGE_SIZE - len,
1278                                 "SAI_READ_CAPACITY_16\n");
1279         if (dev->jbod)
1280                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1281         if (dev->supplement_adapter_info.supported_options2 &
1282                 AAC_OPTION_POWER_MANAGEMENT)
1283                 len += snprintf(buf + len, PAGE_SIZE - len,
1284                                 "SUPPORTED_POWER_MANAGEMENT\n");
1285         if (dev->msi)
1286                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1287         return len;
1288 }
1289
1290 static ssize_t aac_show_kernel_version(struct device *device,
1291                                        struct device_attribute *attr,
1292                                        char *buf)
1293 {
1294         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1295         int len, tmp;
1296
1297         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1298         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1299           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1300           le32_to_cpu(dev->adapter_info.kernelbuild));
1301         return len;
1302 }
1303
1304 static ssize_t aac_show_monitor_version(struct device *device,
1305                                         struct device_attribute *attr,
1306                                         char *buf)
1307 {
1308         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1309         int len, tmp;
1310
1311         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1312         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1313           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1314           le32_to_cpu(dev->adapter_info.monitorbuild));
1315         return len;
1316 }
1317
1318 static ssize_t aac_show_bios_version(struct device *device,
1319                                      struct device_attribute *attr,
1320                                      char *buf)
1321 {
1322         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1323         int len, tmp;
1324
1325         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1326         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1327           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1328           le32_to_cpu(dev->adapter_info.biosbuild));
1329         return len;
1330 }
1331
1332 static ssize_t aac_show_driver_version(struct device *device,
1333                                         struct device_attribute *attr,
1334                                         char *buf)
1335 {
1336         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1337 }
1338
1339 static ssize_t aac_show_serial_number(struct device *device,
1340                                struct device_attribute *attr, char *buf)
1341 {
1342         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1343         int len = 0;
1344
1345         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1346                 len = snprintf(buf, 16, "%06X\n",
1347                   le32_to_cpu(dev->adapter_info.serial[0]));
1348         if (len &&
1349           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1350             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1351           buf, len-1))
1352                 len = snprintf(buf, 16, "%.*s\n",
1353                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1354                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1355
1356         return min(len, 16);
1357 }
1358
1359 static ssize_t aac_show_max_channel(struct device *device,
1360                                     struct device_attribute *attr, char *buf)
1361 {
1362         return snprintf(buf, PAGE_SIZE, "%d\n",
1363           class_to_shost(device)->max_channel);
1364 }
1365
1366 static ssize_t aac_show_max_id(struct device *device,
1367                                struct device_attribute *attr, char *buf)
1368 {
1369         return snprintf(buf, PAGE_SIZE, "%d\n",
1370           class_to_shost(device)->max_id);
1371 }
1372
1373 static ssize_t aac_store_reset_adapter(struct device *device,
1374                                        struct device_attribute *attr,
1375                                        const char *buf, size_t count)
1376 {
1377         int retval = -EACCES;
1378
1379         if (!capable(CAP_SYS_ADMIN))
1380                 return retval;
1381
1382         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1383                                         buf[0] == '!', IOP_HWSOFT_RESET);
1384         if (retval >= 0)
1385                 retval = count;
1386
1387         return retval;
1388 }
1389
1390 static ssize_t aac_show_reset_adapter(struct device *device,
1391                                       struct device_attribute *attr,
1392                                       char *buf)
1393 {
1394         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1395         int len, tmp;
1396
1397         tmp = aac_adapter_check_health(dev);
1398         if ((tmp == 0) && dev->in_reset)
1399                 tmp = -EBUSY;
1400         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1401         return len;
1402 }
1403
1404 static struct device_attribute aac_model = {
1405         .attr = {
1406                 .name = "model",
1407                 .mode = S_IRUGO,
1408         },
1409         .show = aac_show_model,
1410 };
1411 static struct device_attribute aac_vendor = {
1412         .attr = {
1413                 .name = "vendor",
1414                 .mode = S_IRUGO,
1415         },
1416         .show = aac_show_vendor,
1417 };
1418 static struct device_attribute aac_flags = {
1419         .attr = {
1420                 .name = "flags",
1421                 .mode = S_IRUGO,
1422         },
1423         .show = aac_show_flags,
1424 };
1425 static struct device_attribute aac_kernel_version = {
1426         .attr = {
1427                 .name = "hba_kernel_version",
1428                 .mode = S_IRUGO,
1429         },
1430         .show = aac_show_kernel_version,
1431 };
1432 static struct device_attribute aac_monitor_version = {
1433         .attr = {
1434                 .name = "hba_monitor_version",
1435                 .mode = S_IRUGO,
1436         },
1437         .show = aac_show_monitor_version,
1438 };
1439 static struct device_attribute aac_bios_version = {
1440         .attr = {
1441                 .name = "hba_bios_version",
1442                 .mode = S_IRUGO,
1443         },
1444         .show = aac_show_bios_version,
1445 };
1446 static struct device_attribute aac_lld_version = {
1447         .attr = {
1448                 .name = "driver_version",
1449                 .mode = 0444,
1450         },
1451         .show = aac_show_driver_version,
1452 };
1453 static struct device_attribute aac_serial_number = {
1454         .attr = {
1455                 .name = "serial_number",
1456                 .mode = S_IRUGO,
1457         },
1458         .show = aac_show_serial_number,
1459 };
1460 static struct device_attribute aac_max_channel = {
1461         .attr = {
1462                 .name = "max_channel",
1463                 .mode = S_IRUGO,
1464         },
1465         .show = aac_show_max_channel,
1466 };
1467 static struct device_attribute aac_max_id = {
1468         .attr = {
1469                 .name = "max_id",
1470                 .mode = S_IRUGO,
1471         },
1472         .show = aac_show_max_id,
1473 };
1474 static struct device_attribute aac_reset = {
1475         .attr = {
1476                 .name = "reset_host",
1477                 .mode = S_IWUSR|S_IRUGO,
1478         },
1479         .store = aac_store_reset_adapter,
1480         .show = aac_show_reset_adapter,
1481 };
1482
1483 static struct device_attribute *aac_attrs[] = {
1484         &aac_model,
1485         &aac_vendor,
1486         &aac_flags,
1487         &aac_kernel_version,
1488         &aac_monitor_version,
1489         &aac_bios_version,
1490         &aac_lld_version,
1491         &aac_serial_number,
1492         &aac_max_channel,
1493         &aac_max_id,
1494         &aac_reset,
1495         NULL
1496 };
1497
1498 ssize_t aac_get_serial_number(struct device *device, char *buf)
1499 {
1500         return aac_show_serial_number(device, &aac_serial_number, buf);
1501 }
1502
1503 static const struct file_operations aac_cfg_fops = {
1504         .owner          = THIS_MODULE,
1505         .unlocked_ioctl = aac_cfg_ioctl,
1506 #ifdef CONFIG_COMPAT
1507         .compat_ioctl   = aac_compat_cfg_ioctl,
1508 #endif
1509         .open           = aac_cfg_open,
1510         .llseek         = noop_llseek,
1511 };
1512
1513 static struct scsi_host_template aac_driver_template = {
1514         .module                         = THIS_MODULE,
1515         .name                           = "AAC",
1516         .proc_name                      = AAC_DRIVERNAME,
1517         .info                           = aac_info,
1518         .ioctl                          = aac_ioctl,
1519 #ifdef CONFIG_COMPAT
1520         .compat_ioctl                   = aac_compat_ioctl,
1521 #endif
1522         .queuecommand                   = aac_queuecommand,
1523         .bios_param                     = aac_biosparm,
1524         .shost_attrs                    = aac_attrs,
1525         .slave_configure                = aac_slave_configure,
1526         .change_queue_depth             = aac_change_queue_depth,
1527         .sdev_attrs                     = aac_dev_attrs,
1528         .eh_abort_handler               = aac_eh_abort,
1529         .eh_device_reset_handler        = aac_eh_dev_reset,
1530         .eh_target_reset_handler        = aac_eh_target_reset,
1531         .eh_bus_reset_handler           = aac_eh_bus_reset,
1532         .eh_host_reset_handler          = aac_eh_host_reset,
1533         .can_queue                      = AAC_NUM_IO_FIB,
1534         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1535         .sg_tablesize                   = 16,
1536         .max_sectors                    = 128,
1537 #if (AAC_NUM_IO_FIB > 256)
1538         .cmd_per_lun                    = 256,
1539 #else
1540         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1541 #endif
1542         .emulated                       = 1,
1543         .no_write_same                  = 1,
1544 };
1545
1546 static void __aac_shutdown(struct aac_dev * aac)
1547 {
1548         int i;
1549
1550         mutex_lock(&aac->ioctl_mutex);
1551         aac->adapter_shutdown = 1;
1552         mutex_unlock(&aac->ioctl_mutex);
1553
1554         if (aac->aif_thread) {
1555                 int i;
1556                 /* Clear out events first */
1557                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1558                         struct fib *fib = &aac->fibs[i];
1559                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1560                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1561                                 complete(&fib->event_wait);
1562                 }
1563                 kthread_stop(aac->thread);
1564                 aac->thread = NULL;
1565         }
1566
1567         aac_send_shutdown(aac);
1568
1569         aac_adapter_disable_int(aac);
1570
1571         if (aac_is_src(aac)) {
1572                 if (aac->max_msix > 1) {
1573                         for (i = 0; i < aac->max_msix; i++) {
1574                                 free_irq(pci_irq_vector(aac->pdev, i),
1575                                          &(aac->aac_msix[i]));
1576                         }
1577                 } else {
1578                         free_irq(aac->pdev->irq,
1579                                  &(aac->aac_msix[0]));
1580                 }
1581         } else {
1582                 free_irq(aac->pdev->irq, aac);
1583         }
1584         if (aac->msi)
1585                 pci_disable_msi(aac->pdev);
1586         else if (aac->max_msix > 1)
1587                 pci_disable_msix(aac->pdev);
1588 }
1589 static void aac_init_char(void)
1590 {
1591         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1592         if (aac_cfg_major < 0) {
1593                 pr_err("aacraid: unable to register \"aac\" device.\n");
1594         }
1595 }
1596
1597 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1598 {
1599         /*
1600          * Firmware may send a AIF messages very early and the Driver may have
1601          * ignored as it is not fully ready to process the messages. Send
1602          * AIF to firmware so that if there are any unprocessed events they
1603          * can be processed now.
1604          */
1605         if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1606                 aac_intr_normal(aac, 0, 2, 0, NULL);
1607
1608 }
1609
1610 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1611 {
1612         unsigned index = id->driver_data;
1613         struct Scsi_Host *shost;
1614         struct aac_dev *aac;
1615         struct list_head *insert = &aac_devices;
1616         int error = -ENODEV;
1617         int unique_id = 0;
1618         u64 dmamask;
1619         int mask_bits = 0;
1620         extern int aac_sync_mode;
1621
1622         /*
1623          * Only series 7 needs freset.
1624          */
1625         if (pdev->device == PMC_DEVICE_S7)
1626                 pdev->needs_freset = 1;
1627
1628         list_for_each_entry(aac, &aac_devices, entry) {
1629                 if (aac->id > unique_id)
1630                         break;
1631                 insert = &aac->entry;
1632                 unique_id++;
1633         }
1634
1635         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1636                                PCIE_LINK_STATE_CLKPM);
1637
1638         error = pci_enable_device(pdev);
1639         if (error)
1640                 goto out;
1641         error = -ENODEV;
1642
1643         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1644                 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1645                 if (error) {
1646                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1647                         goto out_disable_pdev;
1648                 }
1649         }
1650
1651         /*
1652          * If the quirk31 bit is set, the adapter needs adapter
1653          * to driver communication memory to be allocated below 2gig
1654          */
1655         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1656                 dmamask = DMA_BIT_MASK(31);
1657                 mask_bits = 31;
1658         } else {
1659                 dmamask = DMA_BIT_MASK(32);
1660                 mask_bits = 32;
1661         }
1662
1663         error = pci_set_consistent_dma_mask(pdev, dmamask);
1664         if (error) {
1665                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1666                                 , mask_bits);
1667                 goto out_disable_pdev;
1668         }
1669
1670         pci_set_master(pdev);
1671
1672         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1673         if (!shost)
1674                 goto out_disable_pdev;
1675
1676         shost->irq = pdev->irq;
1677         shost->unique_id = unique_id;
1678         shost->max_cmd_len = 16;
1679         shost->use_cmd_list = 1;
1680
1681         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1682                 aac_init_char();
1683
1684         aac = (struct aac_dev *)shost->hostdata;
1685         aac->base_start = pci_resource_start(pdev, 0);
1686         aac->scsi_host_ptr = shost;
1687         aac->pdev = pdev;
1688         aac->name = aac_driver_template.name;
1689         aac->id = shost->unique_id;
1690         aac->cardtype = index;
1691         INIT_LIST_HEAD(&aac->entry);
1692
1693         if (aac_reset_devices || reset_devices)
1694                 aac->init_reset = true;
1695
1696         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1697                             sizeof(struct fib),
1698                             GFP_KERNEL);
1699         if (!aac->fibs)
1700                 goto out_free_host;
1701         spin_lock_init(&aac->fib_lock);
1702
1703         mutex_init(&aac->ioctl_mutex);
1704         mutex_init(&aac->scan_mutex);
1705
1706         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1707         INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1708                                 aac_src_reinit_aif_worker);
1709         /*
1710          *      Map in the registers from the adapter.
1711          */
1712         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1713         if ((*aac_drivers[index].init)(aac)) {
1714                 error = -ENODEV;
1715                 goto out_unmap;
1716         }
1717
1718         if (aac->sync_mode) {
1719                 if (aac_sync_mode)
1720                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1721                                 "by driver parameter. This will cause "
1722                                 "a significant performance decrease!\n",
1723                                 aac->name,
1724                                 aac->id);
1725                 else
1726                         printk(KERN_INFO "%s%d: Async. mode not supported "
1727                                 "by current driver, sync. mode enforced."
1728                                 "\nPlease update driver to get full performance.\n",
1729                                 aac->name,
1730                                 aac->id);
1731         }
1732
1733         /*
1734          *      Start any kernel threads needed
1735          */
1736         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1737         if (IS_ERR(aac->thread)) {
1738                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1739                 error = PTR_ERR(aac->thread);
1740                 aac->thread = NULL;
1741                 goto out_deinit;
1742         }
1743
1744         aac->maximum_num_channels = aac_drivers[index].channels;
1745         error = aac_get_adapter_info(aac);
1746         if (error < 0)
1747                 goto out_deinit;
1748
1749         /*
1750          * Lets override negotiations and drop the maximum SG limit to 34
1751          */
1752         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1753                         (shost->sg_tablesize > 34)) {
1754                 shost->sg_tablesize = 34;
1755                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1756         }
1757
1758         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1759                         (shost->sg_tablesize > 17)) {
1760                 shost->sg_tablesize = 17;
1761                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1762         }
1763
1764         if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1765                 shost->max_segment_size = shost->max_sectors << 9;
1766         else
1767                 shost->max_segment_size = 65536;
1768
1769         /*
1770          * Firmware printf works only with older firmware.
1771          */
1772         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1773                 aac->printf_enabled = 1;
1774         else
1775                 aac->printf_enabled = 0;
1776
1777         /*
1778          * max channel will be the physical channels plus 1 virtual channel
1779          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1780          * physical channels are address by their actual physical number+1
1781          */
1782         if (aac->nondasd_support || expose_physicals || aac->jbod)
1783                 shost->max_channel = aac->maximum_num_channels;
1784         else
1785                 shost->max_channel = 0;
1786
1787         aac_get_config_status(aac, 0);
1788         aac_get_containers(aac);
1789         list_add(&aac->entry, insert);
1790
1791         shost->max_id = aac->maximum_num_containers;
1792         if (shost->max_id < aac->maximum_num_physicals)
1793                 shost->max_id = aac->maximum_num_physicals;
1794         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1795                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1796         else
1797                 shost->this_id = shost->max_id;
1798
1799         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1800                 aac_intr_normal(aac, 0, 2, 0, NULL);
1801
1802         /*
1803          * dmb - we may need to move the setting of these parms somewhere else once
1804          * we get a fib that can report the actual numbers
1805          */
1806         shost->max_lun = AAC_MAX_LUN;
1807
1808         pci_set_drvdata(pdev, shost);
1809
1810         error = scsi_add_host(shost, &pdev->dev);
1811         if (error)
1812                 goto out_deinit;
1813
1814         aac_scan_host(aac);
1815
1816         pci_enable_pcie_error_reporting(pdev);
1817         pci_save_state(pdev);
1818
1819         return 0;
1820
1821  out_deinit:
1822         __aac_shutdown(aac);
1823  out_unmap:
1824         aac_fib_map_free(aac);
1825         if (aac->comm_addr)
1826                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1827                                   aac->comm_addr, aac->comm_phys);
1828         kfree(aac->queues);
1829         aac_adapter_ioremap(aac, 0);
1830         kfree(aac->fibs);
1831         kfree(aac->fsa_dev);
1832  out_free_host:
1833         scsi_host_put(shost);
1834  out_disable_pdev:
1835         pci_disable_device(pdev);
1836  out:
1837         return error;
1838 }
1839
1840 static void aac_release_resources(struct aac_dev *aac)
1841 {
1842         aac_adapter_disable_int(aac);
1843         aac_free_irq(aac);
1844 }
1845
1846 static int aac_acquire_resources(struct aac_dev *dev)
1847 {
1848         unsigned long status;
1849         /*
1850          *      First clear out all interrupts.  Then enable the one's that we
1851          *      can handle.
1852          */
1853         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1854                 || status == 0xffffffff)
1855                         msleep(20);
1856
1857         aac_adapter_disable_int(dev);
1858         aac_adapter_enable_int(dev);
1859
1860
1861         if (aac_is_src(dev))
1862                 aac_define_int_mode(dev);
1863
1864         if (dev->msi_enabled)
1865                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1866
1867         if (aac_acquire_irq(dev))
1868                 goto error_iounmap;
1869
1870         aac_adapter_enable_int(dev);
1871
1872         /*max msix may change  after EEH
1873          * Re-assign vectors to fibs
1874          */
1875         aac_fib_vector_assign(dev);
1876
1877         if (!dev->sync_mode) {
1878                 /* After EEH recovery or suspend resume, max_msix count
1879                  * may change, therefore updating in init as well.
1880                  */
1881                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1882                 aac_adapter_start(dev);
1883         }
1884         return 0;
1885
1886 error_iounmap:
1887         return -1;
1888
1889 }
1890
1891 #if (defined(CONFIG_PM))
1892 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1893 {
1894
1895         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1896         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1897
1898         scsi_block_requests(shost);
1899         aac_cancel_rescan_worker(aac);
1900         aac_send_shutdown(aac);
1901
1902         aac_release_resources(aac);
1903
1904         pci_set_drvdata(pdev, shost);
1905         pci_save_state(pdev);
1906         pci_disable_device(pdev);
1907         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1908
1909         return 0;
1910 }
1911
1912 static int aac_resume(struct pci_dev *pdev)
1913 {
1914         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1915         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1916         int r;
1917
1918         pci_set_power_state(pdev, PCI_D0);
1919         pci_enable_wake(pdev, PCI_D0, 0);
1920         pci_restore_state(pdev);
1921         r = pci_enable_device(pdev);
1922
1923         if (r)
1924                 goto fail_device;
1925
1926         pci_set_master(pdev);
1927         if (aac_acquire_resources(aac))
1928                 goto fail_device;
1929         /*
1930         * reset this flag to unblock ioctl() as it was set at
1931         * aac_send_shutdown() to block ioctls from upperlayer
1932         */
1933         aac->adapter_shutdown = 0;
1934         scsi_unblock_requests(shost);
1935
1936         return 0;
1937
1938 fail_device:
1939         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1940         scsi_host_put(shost);
1941         pci_disable_device(pdev);
1942         return -ENODEV;
1943 }
1944 #endif
1945
1946 static void aac_shutdown(struct pci_dev *dev)
1947 {
1948         struct Scsi_Host *shost = pci_get_drvdata(dev);
1949         scsi_block_requests(shost);
1950         __aac_shutdown((struct aac_dev *)shost->hostdata);
1951 }
1952
1953 static void aac_remove_one(struct pci_dev *pdev)
1954 {
1955         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1956         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1957
1958         aac_cancel_rescan_worker(aac);
1959         scsi_remove_host(shost);
1960
1961         __aac_shutdown(aac);
1962         aac_fib_map_free(aac);
1963         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1964                           aac->comm_phys);
1965         kfree(aac->queues);
1966
1967         aac_adapter_ioremap(aac, 0);
1968
1969         kfree(aac->fibs);
1970         kfree(aac->fsa_dev);
1971
1972         list_del(&aac->entry);
1973         scsi_host_put(shost);
1974         pci_disable_device(pdev);
1975         if (list_empty(&aac_devices)) {
1976                 unregister_chrdev(aac_cfg_major, "aac");
1977                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1978         }
1979 }
1980
1981 static void aac_flush_ios(struct aac_dev *aac)
1982 {
1983         int i;
1984         struct scsi_cmnd *cmd;
1985
1986         for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1987                 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1988                 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1989                         scsi_dma_unmap(cmd);
1990
1991                         if (aac->handle_pci_error)
1992                                 cmd->result = DID_NO_CONNECT << 16;
1993                         else
1994                                 cmd->result = DID_RESET << 16;
1995
1996                         cmd->scsi_done(cmd);
1997                 }
1998         }
1999 }
2000
2001 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
2002                                         enum pci_channel_state error)
2003 {
2004         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2005         struct aac_dev *aac = shost_priv(shost);
2006
2007         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
2008
2009         switch (error) {
2010         case pci_channel_io_normal:
2011                 return PCI_ERS_RESULT_CAN_RECOVER;
2012         case pci_channel_io_frozen:
2013                 aac->handle_pci_error = 1;
2014
2015                 scsi_block_requests(aac->scsi_host_ptr);
2016                 aac_cancel_rescan_worker(aac);
2017                 aac_flush_ios(aac);
2018                 aac_release_resources(aac);
2019
2020                 pci_disable_pcie_error_reporting(pdev);
2021                 aac_adapter_ioremap(aac, 0);
2022
2023                 return PCI_ERS_RESULT_NEED_RESET;
2024         case pci_channel_io_perm_failure:
2025                 aac->handle_pci_error = 1;
2026
2027                 aac_flush_ios(aac);
2028                 return PCI_ERS_RESULT_DISCONNECT;
2029         }
2030
2031         return PCI_ERS_RESULT_NEED_RESET;
2032 }
2033
2034 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2035 {
2036         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2037         return PCI_ERS_RESULT_NEED_RESET;
2038 }
2039
2040 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2041 {
2042         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2043         pci_restore_state(pdev);
2044         if (pci_enable_device(pdev)) {
2045                 dev_warn(&pdev->dev,
2046                         "aacraid: failed to enable slave\n");
2047                 goto fail_device;
2048         }
2049
2050         pci_set_master(pdev);
2051
2052         if (pci_enable_device_mem(pdev)) {
2053                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2054                 goto fail_device;
2055         }
2056
2057         return PCI_ERS_RESULT_RECOVERED;
2058
2059 fail_device:
2060         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2061         return PCI_ERS_RESULT_DISCONNECT;
2062 }
2063
2064
2065 static void aac_pci_resume(struct pci_dev *pdev)
2066 {
2067         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2068         struct scsi_device *sdev = NULL;
2069         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2070
2071         if (aac_adapter_ioremap(aac, aac->base_size)) {
2072
2073                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2074                 /* remap failed, go back ... */
2075                 aac->comm_interface = AAC_COMM_PRODUCER;
2076                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2077                         dev_warn(&pdev->dev,
2078                                 "aacraid: unable to map adapter.\n");
2079
2080                         return;
2081                 }
2082         }
2083
2084         msleep(10000);
2085
2086         aac_acquire_resources(aac);
2087
2088         /*
2089          * reset this flag to unblock ioctl() as it was set
2090          * at aac_send_shutdown() to block ioctls from upperlayer
2091          */
2092         aac->adapter_shutdown = 0;
2093         aac->handle_pci_error = 0;
2094
2095         shost_for_each_device(sdev, shost)
2096                 if (sdev->sdev_state == SDEV_OFFLINE)
2097                         sdev->sdev_state = SDEV_RUNNING;
2098         scsi_unblock_requests(aac->scsi_host_ptr);
2099         aac_scan_host(aac);
2100         pci_save_state(pdev);
2101
2102         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2103 }
2104
2105 static struct pci_error_handlers aac_pci_err_handler = {
2106         .error_detected         = aac_pci_error_detected,
2107         .mmio_enabled           = aac_pci_mmio_enabled,
2108         .slot_reset             = aac_pci_slot_reset,
2109         .resume                 = aac_pci_resume,
2110 };
2111
2112 static struct pci_driver aac_pci_driver = {
2113         .name           = AAC_DRIVERNAME,
2114         .id_table       = aac_pci_tbl,
2115         .probe          = aac_probe_one,
2116         .remove         = aac_remove_one,
2117 #if (defined(CONFIG_PM))
2118         .suspend        = aac_suspend,
2119         .resume         = aac_resume,
2120 #endif
2121         .shutdown       = aac_shutdown,
2122         .err_handler    = &aac_pci_err_handler,
2123 };
2124
2125 static int __init aac_init(void)
2126 {
2127         int error;
2128
2129         printk(KERN_INFO "Adaptec %s driver %s\n",
2130           AAC_DRIVERNAME, aac_driver_version);
2131
2132         error = pci_register_driver(&aac_pci_driver);
2133         if (error < 0)
2134                 return error;
2135
2136         aac_init_char();
2137
2138
2139         return 0;
2140 }
2141
2142 static void __exit aac_exit(void)
2143 {
2144         if (aac_cfg_major > -1)
2145                 unregister_chrdev(aac_cfg_major, "aac");
2146         pci_unregister_driver(&aac_pci_driver);
2147 }
2148
2149 module_init(aac_init);
2150 module_exit(aac_exit);