drivers/scsi/aacraid/linit.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc.
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2010 Adaptec, Inc.
   9  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10  *               2016-2017 Microsemi Corp. (aacraid@microsemi.com)
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2, or (at your option)
  15  * any later version.
  16  *
  17  * This program is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with this program; see the file COPYING.  If not, write to
  24  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  25  *
  26  * Module Name:
  27  *   linit.c
  28  *
  29  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  30  */
  31
  32
  33 #include <linux/compat.h>
  34 #include <linux/blkdev.h>
  35 #include <linux/completion.h>
  36 #include <linux/init.h>
  37 #include <linux/interrupt.h>
  38 #include <linux/kernel.h>
  39 #include <linux/module.h>
  40 #include <linux/moduleparam.h>
  41 #include <linux/pci.h>
  42 #include <linux/aer.h>
  43 #include <linux/pci-aspm.h>
  44 #include <linux/slab.h>
  45 #include <linux/mutex.h>
  46 #include <linux/spinlock.h>
  47 #include <linux/syscalls.h>
  48 #include <linux/delay.h>
  49 #include <linux/kthread.h>
  50
  51 #include <scsi/scsi.h>
  52 #include <scsi/scsi_cmnd.h>
  53 #include <scsi/scsi_device.h>
  54 #include <scsi/scsi_host.h>
  55 #include <scsi/scsi_tcq.h>
  56 #include <scsi/scsicam.h>
  57 #include <scsi/scsi_eh.h>
  58
  59 #include "aacraid.h"
  60
  61 #define AAC_DRIVER_VERSION              "1.2.1"
  62 #ifndef AAC_DRIVER_BRANCH
  63 #define AAC_DRIVER_BRANCH               ""
  64 #endif
  65 #define AAC_DRIVERNAME                  "aacraid"
  66
  67 #ifdef AAC_DRIVER_BUILD
  68 #define _str(x) #x
  69 #define str(x) _str(x)
  70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  71 #else
  72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  73 #endif
  74
  75 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  76 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  77                    "Adaptec Advanced Raid Products, "
  78                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  79 MODULE_LICENSE("GPL");
  80 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  81
  82 static DEFINE_MUTEX(aac_mutex);
  83 static LIST_HEAD(aac_devices);
  84 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  85 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  86
  87 /*
  88  * Because of the way Linux names scsi devices, the order in this table has
  89  * become important.  Check for on-board Raid first, add-in cards second.
  90  *
  91  * Note: The last field is used to index into aac_drivers below.
  92  */
  93 static const struct pci_device_id aac_pci_tbl[] = {
  94         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  95         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  96         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  97         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  98         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  99         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 100         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 101         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 102         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 103         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 104         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 105         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 106         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 107         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 108         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 109         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 110
 111         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 112         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 113         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 114         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 115         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 116         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 117         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 118         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 119         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 120         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 121         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 122         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 123         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 124         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 125         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 126         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 127         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 128         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 129         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 130         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 131         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 132         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 133         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 134         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 135         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 136         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 137         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 138         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 139         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 140         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 141         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 142         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 143         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 144         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 145         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 146         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 147         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 148         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 149
 150         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 151         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 152         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 153         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 154         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 155
 156         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 157         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 158         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 159         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 160         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 161         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 162         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 163         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 164         { 0,}
 165 };
 166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 167
 168 /*
 169  * dmb - For now we add the number of channels to this structure.
 170  * In the future we should add a fib that reports the number of channels
 171  * for the card.  At that time we can remove the channels from here
 172  */
 173 static struct aac_driver_ident aac_drivers[] = {
 174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 182         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 183         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 187         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 189         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 190
 191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 192         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 194         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 199         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 204         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 205         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 206         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 207         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 208         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 209         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 213         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 215         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 219         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 220         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 222         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 225         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 226         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 227
 228         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 229         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 230         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 231         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 232         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 233
 234         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 235         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 236         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 237         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 238         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 239         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
 240         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
 241         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
 242 };
 243
 244 /**
 245  *      aac_queuecommand        -       queue a SCSI command
 246  *      @cmd:           SCSI command to queue
 247  *      @done:          Function to call on command completion
 248  *
 249  *      Queues a command for execution by the associated Host Adapter.
 250  *
 251  *      TODO: unify with aac_scsi_cmd().
 252  */
 253
 254 static int aac_queuecommand(struct Scsi_Host *shost,
 255                             struct scsi_cmnd *cmd)
 256 {
 257         int r = 0;
 258         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 259         r = (aac_scsi_cmd(cmd) ? FAILED : 0);
 260         return r;
 261 }
 262
 263 /**
 264  *      aac_info                -       Returns the host adapter name
 265  *      @shost:         Scsi host to report on
 266  *
 267  *      Returns a static string describing the device in question
 268  */
 269
 270 static const char *aac_info(struct Scsi_Host *shost)
 271 {
 272         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 273         return aac_drivers[dev->cardtype].name;
 274 }
 275
 276 /**
 277  *      aac_get_driver_ident
 278  *      @devtype: index into lookup table
 279  *
 280  *      Returns a pointer to the entry in the driver lookup table.
 281  */
 282
 283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 284 {
 285         return &aac_drivers[devtype];
 286 }
 287
 288 /**
 289  *      aac_biosparm    -       return BIOS parameters for disk
 290  *      @sdev: The scsi device corresponding to the disk
 291  *      @bdev: the block device corresponding to the disk
 292  *      @capacity: the sector capacity of the disk
 293  *      @geom: geometry block to fill in
 294  *
 295  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 296  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 297  *      number of cylinders so as not to exceed drive capacity.  In order for
 298  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 299  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 300  *      Translation should be enabled.   With Extended Translation enabled,
 301  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 302  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 303  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 304  *      the BIOS detects that the Extended Translation setting does not match
 305  *      the geometry in the partition table, then the translation inferred
 306  *      from the partition table will be used by the BIOS, and a warning may
 307  *      be displayed.
 308  */
 309
 310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 311                         sector_t capacity, int *geom)
 312 {
 313         struct diskparm *param = (struct diskparm *)geom;
 314         unsigned char *buf;
 315
 316         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 317
 318         /*
 319          *      Assuming extended translation is enabled - #REVISIT#
 320          */
 321         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 322                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 323                         param->heads = 255;
 324                         param->sectors = 63;
 325                 } else {
 326                         param->heads = 128;
 327                         param->sectors = 32;
 328                 }
 329         } else {
 330                 param->heads = 64;
 331                 param->sectors = 32;
 332         }
 333
 334         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 335
 336         /*
 337          *      Read the first 1024 bytes from the disk device, if the boot
 338          *      sector partition table is valid, search for a partition table
 339          *      entry whose end_head matches one of the standard geometry
 340          *      translations ( 64/32, 128/32, 255/63 ).
 341          */
 342         buf = scsi_bios_ptable(bdev);
 343         if (!buf)
 344                 return 0;
 345         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 346                 struct partition *first = (struct partition * )buf;
 347                 struct partition *entry = first;
 348                 int saved_cylinders = param->cylinders;
 349                 int num;
 350                 unsigned char end_head, end_sec;
 351
 352                 for(num = 0; num < 4; num++) {
 353                         end_head = entry->end_head;
 354                         end_sec = entry->end_sector & 0x3f;
 355
 356                         if(end_head == 63) {
 357                                 param->heads = 64;
 358                                 param->sectors = 32;
 359                                 break;
 360                         } else if(end_head == 127) {
 361                                 param->heads = 128;
 362                                 param->sectors = 32;
 363                                 break;
 364                         } else if(end_head == 254) {
 365                                 param->heads = 255;
 366                                 param->sectors = 63;
 367                                 break;
 368                         }
 369                         entry++;
 370                 }
 371
 372                 if (num == 4) {
 373                         end_head = first->end_head;
 374                         end_sec = first->end_sector & 0x3f;
 375                 }
 376
 377                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 378                 if (num < 4 && end_sec == param->sectors) {
 379                         if (param->cylinders != saved_cylinders)
 380                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 381                                         param->heads, param->sectors, num));
 382                 } else if (end_head > 0 || end_sec > 0) {
 383                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 384                                 end_head + 1, end_sec, num));
 385                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 386                                         param->heads, param->sectors));
 387                 }
 388         }
 389         kfree(buf);
 390         return 0;
 391 }
 392
 393 /**
 394  *      aac_slave_configure             -       compute queue depths
 395  *      @sdev:  SCSI device we are considering
 396  *
 397  *      Selects queue depths for each target device based on the host adapter's
 398  *      total capacity and the queue depth supported by the target device.
 399  *      A queue depth of one automatically disables tagged queueing.
 400  */
 401
 402 static int aac_slave_configure(struct scsi_device *sdev)
 403 {
 404         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 405         int chn, tid;
 406         unsigned int depth = 0;
 407         unsigned int set_timeout = 0;
 408
 409         chn = aac_logical_to_phys(sdev_channel(sdev));
 410         tid = sdev_id(sdev);
 411         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 412                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 413                 depth = aac->hba_map[chn][tid].qd_limit;
 414                 set_timeout = 1;
 415                 goto common_config;
 416         }
 417
 418
 419         if (aac->jbod && (sdev->type == TYPE_DISK))
 420                 sdev->removable = 1;
 421
 422         if (sdev->type == TYPE_DISK
 423          && sdev_channel(sdev) != CONTAINER_CHANNEL
 424          && (!aac->jbod || sdev->inq_periph_qual)
 425          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 426
 427                 if (expose_physicals == 0)
 428                         return -ENXIO;
 429
 430                 if (expose_physicals < 0)
 431                         sdev->no_uld_attach = 1;
 432         }
 433
 434         if (sdev->tagged_supported
 435          &&  sdev->type == TYPE_DISK
 436          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 437          && !sdev->no_uld_attach) {
 438
 439                 struct scsi_device * dev;
 440                 struct Scsi_Host *host = sdev->host;
 441                 unsigned num_lsu = 0;
 442                 unsigned num_one = 0;
 443                 unsigned cid;
 444
 445                 set_timeout = 1;
 446
 447                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 448                         if (aac->fsa_dev[cid].valid)
 449                                 ++num_lsu;
 450
 451                 __shost_for_each_device(dev, host) {
 452                         if (dev->tagged_supported
 453                          && dev->type == TYPE_DISK
 454                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 455                          && !dev->no_uld_attach) {
 456                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 457                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 458                                         ++num_lsu;
 459                                 }
 460                         } else {
 461                                 ++num_one;
 462                         }
 463                 }
 464
 465                 if (num_lsu == 0)
 466                         ++num_lsu;
 467
 468                 depth = (host->can_queue - num_one) / num_lsu;
 469         }
 470
 471 common_config:
 472         /*
 473          * Firmware has an individual device recovery time typically
 474          * of 35 seconds, give us a margin.
 475          */
 476         if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
 477                 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 478
 479         if (depth > 256)
 480                 depth = 256;
 481         else if (depth < 1)
 482                 depth = 1;
 483
 484         scsi_change_queue_depth(sdev, depth);
 485
 486         sdev->tagged_supported = 1;
 487
 488         return 0;
 489 }
 490
 491 /**
 492  *      aac_change_queue_depth          -       alter queue depths
 493  *      @sdev:  SCSI device we are considering
 494  *      @depth: desired queue depth
 495  *
 496  *      Alters queue depths for target device based on the host adapter's
 497  *      total capacity and the queue depth supported by the target device.
 498  */
 499
 500 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 501 {
 502         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 503         int chn, tid, is_native_device = 0;
 504
 505         chn = aac_logical_to_phys(sdev_channel(sdev));
 506         tid = sdev_id(sdev);
 507         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 508                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 509                 is_native_device = 1;
 510
 511         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 512             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 513                 struct scsi_device * dev;
 514                 struct Scsi_Host *host = sdev->host;
 515                 unsigned num = 0;
 516
 517                 __shost_for_each_device(dev, host) {
 518                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 519                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 520                                 ++num;
 521                         ++num;
 522                 }
 523                 if (num >= host->can_queue)
 524                         num = host->can_queue - 1;
 525                 if (depth > (host->can_queue - num))
 526                         depth = host->can_queue - num;
 527                 if (depth > 256)
 528                         depth = 256;
 529                 else if (depth < 2)
 530                         depth = 2;
 531                 return scsi_change_queue_depth(sdev, depth);
 532         } else if (is_native_device) {
 533                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 534         } else {
 535                 scsi_change_queue_depth(sdev, 1);
 536         }
 537         return sdev->queue_depth;
 538 }
 539
 540 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 541 {
 542         struct scsi_device *sdev = to_scsi_device(dev);
 543         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 544         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 545                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 546                   ? "Hidden\n" :
 547                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 548         return snprintf(buf, PAGE_SIZE, "%s\n",
 549           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 550 }
 551
 552 static struct device_attribute aac_raid_level_attr = {
 553         .attr = {
 554                 .name = "level",
 555                 .mode = S_IRUGO,
 556         },
 557         .show = aac_show_raid_level
 558 };
 559
 560 static ssize_t aac_show_unique_id(struct device *dev,
 561              struct device_attribute *attr, char *buf)
 562 {
 563         struct scsi_device *sdev = to_scsi_device(dev);
 564         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 565         unsigned char sn[16];
 566
 567         memset(sn, 0, sizeof(sn));
 568
 569         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 570                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 571
 572         return snprintf(buf, 16 * 2 + 2,
 573                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 574                 sn[0], sn[1], sn[2], sn[3],
 575                 sn[4], sn[5], sn[6], sn[7],
 576                 sn[8], sn[9], sn[10], sn[11],
 577                 sn[12], sn[13], sn[14], sn[15]);
 578 }
 579
 580 static struct device_attribute aac_unique_id_attr = {
 581         .attr = {
 582                 .name = "unique_id",
 583                 .mode = 0444,
 584         },
 585         .show = aac_show_unique_id
 586 };
 587
 588
 589
 590 static struct device_attribute *aac_dev_attrs[] = {
 591         &aac_raid_level_attr,
 592         &aac_unique_id_attr,
 593         NULL,
 594 };
 595
 596 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 597 {
 598         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 599         if (!capable(CAP_SYS_RAWIO))
 600                 return -EPERM;
 601         return aac_do_ioctl(dev, cmd, arg);
 602 }
 603
 604 static int aac_eh_abort(struct scsi_cmnd* cmd)
 605 {
 606         struct scsi_device * dev = cmd->device;
 607         struct Scsi_Host * host = dev->host;
 608         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 609         int count, found;
 610         u32 bus, cid;
 611         int ret = FAILED;
 612
 613         bus = aac_logical_to_phys(scmd_channel(cmd));
 614         cid = scmd_id(cmd);
 615         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 616                 struct fib *fib;
 617                 struct aac_hba_tm_req *tmf;
 618                 int status;
 619                 u64 address;
 620                 __le32 managed_request_id;
 621
 622                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 623                  AAC_DRIVERNAME,
 624                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 625
 626                 found = 0;
 627                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 628                         fib = &aac->fibs[count];
 629                         if (*(u8 *)fib->hw_fib_va != 0 &&
 630                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 631                                 (fib->callback_data == cmd)) {
 632                                 found = 1;
 633                                 managed_request_id = ((struct aac_hba_cmd_req *)
 634                                         fib->hw_fib_va)->request_id;
 635                                 break;
 636                         }
 637                 }
 638                 if (!found)
 639                         return ret;
 640
 641                 /* start a HBA_TMF_ABORT_TASK TMF request */
 642                 fib = aac_fib_alloc(aac);
 643                 if (!fib)
 644                         return ret;
 645
 646                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 647                 memset(tmf, 0, sizeof(*tmf));
 648                 tmf->tmf = HBA_TMF_ABORT_TASK;
 649                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 650                 tmf->lun[1] = cmd->device->lun;
 651
 652                 address = (u64)fib->hw_error_pa;
 653                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 654                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 655                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 656
 657                 fib->hbacmd_size = sizeof(*tmf);
 658                 cmd->SCp.sent_command = 0;
 659
 660                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 661                                   (fib_callback) aac_hba_callback,
 662                                   (void *) cmd);
 663
 664                 /* Wait up to 2 minutes for completion */
 665                 for (count = 0; count < 120; ++count) {
 666                         if (cmd->SCp.sent_command) {
 667                                 ret = SUCCESS;
 668                                 break;
 669                         }
 670                         msleep(1000);
 671                 }
 672
 673                 if (ret != SUCCESS)
 674                         pr_err("%s: Host adapter abort request timed out\n",
 675                         AAC_DRIVERNAME);
 676         } else {
 677                 pr_err(
 678                         "%s: Host adapter abort request.\n"
 679                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 680                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 681                         host->host_no, sdev_channel(dev), sdev_id(dev),
 682                         (int)dev->lun);
 683                 switch (cmd->cmnd[0]) {
 684                 case SERVICE_ACTION_IN_16:
 685                         if (!(aac->raw_io_interface) ||
 686                             !(aac->raw_io_64) ||
 687                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 688                                 break;
 689                 case INQUIRY:
 690                 case READ_CAPACITY:
 691                         /*
 692                          * Mark associated FIB to not complete,
 693                          * eh handler does this
 694                          */
 695                         for (count = 0;
 696                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 697                                 ++count) {
 698                                 struct fib *fib = &aac->fibs[count];
 699
 700                                 if (fib->hw_fib_va->header.XferState &&
 701                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 702                                 (fib->callback_data == cmd)) {
 703                                         fib->flags |=
 704                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 705                                         cmd->SCp.phase =
 706                                                 AAC_OWNER_ERROR_HANDLER;
 707                                         ret = SUCCESS;
 708                                 }
 709                         }
 710                         break;
 711                 case TEST_UNIT_READY:
 712                         /*
 713                          * Mark associated FIB to not complete,
 714                          * eh handler does this
 715                          */
 716                         for (count = 0;
 717                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 718                                 ++count) {
 719                                 struct scsi_cmnd *command;
 720                                 struct fib *fib = &aac->fibs[count];
 721
 722                                 command = fib->callback_data;
 723
 724                                 if ((fib->hw_fib_va->header.XferState &
 725                                         cpu_to_le32
 726                                         (Async | NoResponseExpected)) &&
 727                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 728                                         ((command)) &&
 729                                         (command->device == cmd->device)) {
 730                                         fib->flags |=
 731                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 732                                         command->SCp.phase =
 733                                                 AAC_OWNER_ERROR_HANDLER;
 734                                         if (command == cmd)
 735                                                 ret = SUCCESS;
 736                                 }
 737                         }
 738                         break;
 739                 }
 740         }
 741         return ret;
 742 }
 743
 744 /*
 745  *      aac_eh_reset    - Reset command handling
 746  *      @scsi_cmd:      SCSI command block causing the reset
 747  *
 748  */
 749 static int aac_eh_reset(struct scsi_cmnd* cmd)
 750 {
 751         struct scsi_device * dev = cmd->device;
 752         struct Scsi_Host * host = dev->host;
 753         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 754         int count;
 755         u32 bus, cid;
 756         int ret = FAILED;
 757
 758         bus = aac_logical_to_phys(scmd_channel(cmd));
 759         cid = scmd_id(cmd);
 760         if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
 761                 aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 762                 struct fib *fib;
 763                 int status;
 764                 u64 address;
 765                 u8 command;
 766
 767                 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
 768                         AAC_DRIVERNAME);
 769
 770                 fib = aac_fib_alloc(aac);
 771                 if (!fib)
 772                         return ret;
 773
 774
 775                 if (aac->hba_map[bus][cid].reset_state == 0) {
 776                         struct aac_hba_tm_req *tmf;
 777
 778                         /* start a HBA_TMF_LUN_RESET TMF request */
 779                         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 780                         memset(tmf, 0, sizeof(*tmf));
 781                         tmf->tmf = HBA_TMF_LUN_RESET;
 782                         tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 783                         tmf->lun[1] = cmd->device->lun;
 784
 785                         address = (u64)fib->hw_error_pa;
 786                         tmf->error_ptr_hi = cpu_to_le32
 787                                         ((u32)(address >> 32));
 788                         tmf->error_ptr_lo = cpu_to_le32
 789                                         ((u32)(address & 0xffffffff));
 790                         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 791                         fib->hbacmd_size = sizeof(*tmf);
 792
 793                         command = HBA_IU_TYPE_SCSI_TM_REQ;
 794                         aac->hba_map[bus][cid].reset_state++;
 795                 } else if (aac->hba_map[bus][cid].reset_state >= 1) {
 796                         struct aac_hba_reset_req *rst;
 797
 798                         /* already tried, start a hard reset now */
 799                         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 800                         memset(rst, 0, sizeof(*rst));
 801                         /* reset_type is already zero... */
 802                         rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 803
 804                         address = (u64)fib->hw_error_pa;
 805                         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 806                         rst->error_ptr_lo = cpu_to_le32
 807                                 ((u32)(address & 0xffffffff));
 808                         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 809                         fib->hbacmd_size = sizeof(*rst);
 810
 811                         command = HBA_IU_TYPE_SATA_REQ;
 812                         aac->hba_map[bus][cid].reset_state = 0;
 813                 }
 814                 cmd->SCp.sent_command = 0;
 815
 816                 status = aac_hba_send(command, fib,
 817                                   (fib_callback) aac_hba_callback,
 818                                   (void *) cmd);
 819
 820                 /* Wait up to 2 minutes for completion */
 821                 for (count = 0; count < 120; ++count) {
 822                         if (cmd->SCp.sent_command) {
 823                                 ret = SUCCESS;
 824                                 break;
 825                         }
 826                         msleep(1000);
 827                 }
 828
 829                 if (ret != SUCCESS)
 830                         pr_err("%s: Host adapter reset request timed out\n",
 831                         AAC_DRIVERNAME);
 832         } else {
 833                 struct scsi_cmnd *command;
 834                 unsigned long flags;
 835
 836                 /* Mark the assoc. FIB to not complete, eh handler does this */
 837                 for (count = 0;
 838                         count < (host->can_queue + AAC_NUM_MGT_FIB);
 839                         ++count) {
 840                         struct fib *fib = &aac->fibs[count];
 841
 842                         if (fib->hw_fib_va->header.XferState &&
 843                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 844                                 (fib->callback_data == cmd)) {
 845                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 846                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 847                         }
 848                 }
 849
 850                 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
 851                                         AAC_DRIVERNAME);
 852
 853                 count = aac_check_health(aac);
 854                 if (count)
 855                         return count;
 856                 /*
 857                  * Wait for all commands to complete to this specific
 858                  * target (block maximum 60 seconds).
 859                  */
 860                 for (count = 60; count; --count) {
 861                         int active = aac->in_reset;
 862
 863                         if (active == 0)
 864                         __shost_for_each_device(dev, host) {
 865                                 spin_lock_irqsave(&dev->list_lock, flags);
 866                                 list_for_each_entry(command, &dev->cmd_list,
 867                                         list) {
 868                                         if ((command != cmd) &&
 869                                         (command->SCp.phase ==
 870                                         AAC_OWNER_FIRMWARE)) {
 871                                                 active++;
 872                                                 break;
 873                                         }
 874                                 }
 875                                 spin_unlock_irqrestore(&dev->list_lock, flags);
 876                                 if (active)
 877                                         break;
 878
 879                         }
 880                         /*
 881                          * We can exit If all the commands are complete
 882                          */
 883                         if (active == 0)
 884                                 return SUCCESS;
 885                         ssleep(1);
 886                 }
 887                 pr_err("%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 888
 889                 /*
 890                  * This adapter needs a blind reset, only do so for
 891                  * Adapters that support a register, instead of a commanded,
 892                  * reset.
 893                  */
 894                 if (((aac->supplement_adapter_info.supported_options2 &
 895                           AAC_OPTION_MU_RESET) ||
 896                           (aac->supplement_adapter_info.supported_options2 &
 897                           AAC_OPTION_DOORBELL_RESET)) &&
 898                           aac_check_reset &&
 899                           ((aac_check_reset != 1) ||
 900                            !(aac->supplement_adapter_info.supported_options2 &
 901                             AAC_OPTION_IGNORE_RESET))) {
 902                         /* Bypass wait for command quiesce */
 903                         aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET);
 904                 }
 905                 ret = SUCCESS;
 906         }
 907         /*
 908          * Cause an immediate retry of the command with a ten second delay
 909          * after successful tur
 910          */
 911         return ret;
 912 }
 913
 914 /**
 915  *      aac_cfg_open            -       open a configuration file
 916  *      @inode: inode being opened
 917  *      @file: file handle attached
 918  *
 919  *      Called when the configuration device is opened. Does the needed
 920  *      set up on the handle and then returns
 921  *
 922  *      Bugs: This needs extending to check a given adapter is present
 923  *      so we can support hot plugging, and to ref count adapters.
 924  */
 925
 926 static int aac_cfg_open(struct inode *inode, struct file *file)
 927 {
 928         struct aac_dev *aac;
 929         unsigned minor_number = iminor(inode);
 930         int err = -ENODEV;
 931
 932         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 933         list_for_each_entry(aac, &aac_devices, entry) {
 934                 if (aac->id == minor_number) {
 935                         file->private_data = aac;
 936                         err = 0;
 937                         break;
 938                 }
 939         }
 940         mutex_unlock(&aac_mutex);
 941
 942         return err;
 943 }
 944
 945 /**
 946  *      aac_cfg_ioctl           -       AAC configuration request
 947  *      @inode: inode of device
 948  *      @file: file handle
 949  *      @cmd: ioctl command code
 950  *      @arg: argument
 951  *
 952  *      Handles a configuration ioctl. Currently this involves wrapping it
 953  *      up and feeding it into the nasty windowsalike glue layer.
 954  *
 955  *      Bugs: Needs locking against parallel ioctls lower down
 956  *      Bugs: Needs to handle hot plugging
 957  */
 958
 959 static long aac_cfg_ioctl(struct file *file,
 960                 unsigned int cmd, unsigned long arg)
 961 {
 962         struct aac_dev *aac = (struct aac_dev *)file->private_data;
 963
 964         if (!capable(CAP_SYS_RAWIO))
 965                 return -EPERM;
 966
 967         return aac_do_ioctl(aac, cmd, (void __user *)arg);
 968 }
 969
 970 #ifdef CONFIG_COMPAT
 971 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 972 {
 973         long ret;
 974         switch (cmd) {
 975         case FSACTL_MINIPORT_REV_CHECK:
 976         case FSACTL_SENDFIB:
 977         case FSACTL_OPEN_GET_ADAPTER_FIB:
 978         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 979         case FSACTL_SEND_RAW_SRB:
 980         case FSACTL_GET_PCI_INFO:
 981         case FSACTL_QUERY_DISK:
 982         case FSACTL_DELETE_DISK:
 983         case FSACTL_FORCE_DELETE_DISK:
 984         case FSACTL_GET_CONTAINERS:
 985         case FSACTL_SEND_LARGE_FIB:
 986                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 987                 break;
 988
 989         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 990                 struct fib_ioctl __user *f;
 991
 992                 f = compat_alloc_user_space(sizeof(*f));
 993                 ret = 0;
 994                 if (clear_user(f, sizeof(*f)))
 995                         ret = -EFAULT;
 996                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 997                         ret = -EFAULT;
 998                 if (!ret)
 999                         ret = aac_do_ioctl(dev, cmd, f);
1000                 break;
1001         }
1002
1003         default:
1004                 ret = -ENOIOCTLCMD;
1005                 break;
1006         }
1007         return ret;
1008 }
1009
1010 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1011 {
1012         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1013         if (!capable(CAP_SYS_RAWIO))
1014                 return -EPERM;
1015         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1016 }
1017
1018 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1019 {
1020         if (!capable(CAP_SYS_RAWIO))
1021                 return -EPERM;
1022         return aac_compat_do_ioctl(file->private_data, cmd, arg);
1023 }
1024 #endif
1025
1026 static ssize_t aac_show_model(struct device *device,
1027                               struct device_attribute *attr, char *buf)
1028 {
1029         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1030         int len;
1031
1032         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1033                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1034                 while (*cp && *cp != ' ')
1035                         ++cp;
1036                 while (*cp == ' ')
1037                         ++cp;
1038                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1039         } else
1040                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1041                   aac_drivers[dev->cardtype].model);
1042         return len;
1043 }
1044
1045 static ssize_t aac_show_vendor(struct device *device,
1046                                struct device_attribute *attr, char *buf)
1047 {
1048         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1049         struct aac_supplement_adapter_info *sup_adap_info;
1050         int len;
1051
1052         sup_adap_info = &dev->supplement_adapter_info;
1053         if (sup_adap_info->adapter_type_text[0]) {
1054                 char *cp = sup_adap_info->adapter_type_text;
1055                 while (*cp && *cp != ' ')
1056                         ++cp;
1057                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1058                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1059                                         sup_adap_info->adapter_type_text);
1060         } else
1061                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1062                         aac_drivers[dev->cardtype].vname);
1063         return len;
1064 }
1065
1066 static ssize_t aac_show_flags(struct device *cdev,
1067                               struct device_attribute *attr, char *buf)
1068 {
1069         int len = 0;
1070         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1071
1072         if (nblank(dprintk(x)))
1073                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1074 #ifdef AAC_DETAILED_STATUS_INFO
1075         len += snprintf(buf + len, PAGE_SIZE - len,
1076                         "AAC_DETAILED_STATUS_INFO\n");
1077 #endif
1078         if (dev->raw_io_interface && dev->raw_io_64)
1079                 len += snprintf(buf + len, PAGE_SIZE - len,
1080                                 "SAI_READ_CAPACITY_16\n");
1081         if (dev->jbod)
1082                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1083         if (dev->supplement_adapter_info.supported_options2 &
1084                 AAC_OPTION_POWER_MANAGEMENT)
1085                 len += snprintf(buf + len, PAGE_SIZE - len,
1086                                 "SUPPORTED_POWER_MANAGEMENT\n");
1087         if (dev->msi)
1088                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1089         return len;
1090 }
1091
1092 static ssize_t aac_show_kernel_version(struct device *device,
1093                                        struct device_attribute *attr,
1094                                        char *buf)
1095 {
1096         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1097         int len, tmp;
1098
1099         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1100         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1101           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1102           le32_to_cpu(dev->adapter_info.kernelbuild));
1103         return len;
1104 }
1105
1106 static ssize_t aac_show_monitor_version(struct device *device,
1107                                         struct device_attribute *attr,
1108                                         char *buf)
1109 {
1110         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1111         int len, tmp;
1112
1113         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1114         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1115           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1116           le32_to_cpu(dev->adapter_info.monitorbuild));
1117         return len;
1118 }
1119
1120 static ssize_t aac_show_bios_version(struct device *device,
1121                                      struct device_attribute *attr,
1122                                      char *buf)
1123 {
1124         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1125         int len, tmp;
1126
1127         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1128         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1129           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1130           le32_to_cpu(dev->adapter_info.biosbuild));
1131         return len;
1132 }
1133
1134 static ssize_t aac_show_driver_version(struct device *device,
1135                                         struct device_attribute *attr,
1136                                         char *buf)
1137 {
1138         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1139 }
1140
1141 static ssize_t aac_show_serial_number(struct device *device,
1142                                struct device_attribute *attr, char *buf)
1143 {
1144         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1145         int len = 0;
1146
1147         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1148                 len = snprintf(buf, 16, "%06X\n",
1149                   le32_to_cpu(dev->adapter_info.serial[0]));
1150         if (len &&
1151           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1152             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1153           buf, len-1))
1154                 len = snprintf(buf, 16, "%.*s\n",
1155                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1156                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1157
1158         return min(len, 16);
1159 }
1160
1161 static ssize_t aac_show_max_channel(struct device *device,
1162                                     struct device_attribute *attr, char *buf)
1163 {
1164         return snprintf(buf, PAGE_SIZE, "%d\n",
1165           class_to_shost(device)->max_channel);
1166 }
1167
1168 static ssize_t aac_show_max_id(struct device *device,
1169                                struct device_attribute *attr, char *buf)
1170 {
1171         return snprintf(buf, PAGE_SIZE, "%d\n",
1172           class_to_shost(device)->max_id);
1173 }
1174
1175 static ssize_t aac_store_reset_adapter(struct device *device,
1176                                        struct device_attribute *attr,
1177                                        const char *buf, size_t count)
1178 {
1179         int retval = -EACCES;
1180         int bled = 0;
1181         struct aac_dev *aac;
1182
1183
1184         if (!capable(CAP_SYS_ADMIN))
1185                 return retval;
1186
1187         aac = (struct aac_dev *)class_to_shost(device)->hostdata;
1188         bled = buf[0] == '!' ? 1:0;
1189         retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET);
1190         if (retval >= 0)
1191                 retval = count;
1192         return retval;
1193 }
1194
1195 static ssize_t aac_show_reset_adapter(struct device *device,
1196                                       struct device_attribute *attr,
1197                                       char *buf)
1198 {
1199         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1200         int len, tmp;
1201
1202         tmp = aac_adapter_check_health(dev);
1203         if ((tmp == 0) && dev->in_reset)
1204                 tmp = -EBUSY;
1205         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1206         return len;
1207 }
1208
1209 static struct device_attribute aac_model = {
1210         .attr = {
1211                 .name = "model",
1212                 .mode = S_IRUGO,
1213         },
1214         .show = aac_show_model,
1215 };
1216 static struct device_attribute aac_vendor = {
1217         .attr = {
1218                 .name = "vendor",
1219                 .mode = S_IRUGO,
1220         },
1221         .show = aac_show_vendor,
1222 };
1223 static struct device_attribute aac_flags = {
1224         .attr = {
1225                 .name = "flags",
1226                 .mode = S_IRUGO,
1227         },
1228         .show = aac_show_flags,
1229 };
1230 static struct device_attribute aac_kernel_version = {
1231         .attr = {
1232                 .name = "hba_kernel_version",
1233                 .mode = S_IRUGO,
1234         },
1235         .show = aac_show_kernel_version,
1236 };
1237 static struct device_attribute aac_monitor_version = {
1238         .attr = {
1239                 .name = "hba_monitor_version",
1240                 .mode = S_IRUGO,
1241         },
1242         .show = aac_show_monitor_version,
1243 };
1244 static struct device_attribute aac_bios_version = {
1245         .attr = {
1246                 .name = "hba_bios_version",
1247                 .mode = S_IRUGO,
1248         },
1249         .show = aac_show_bios_version,
1250 };
1251 static struct device_attribute aac_lld_version = {
1252         .attr = {
1253                 .name = "driver_version",
1254                 .mode = 0444,
1255         },
1256         .show = aac_show_driver_version,
1257 };
1258 static struct device_attribute aac_serial_number = {
1259         .attr = {
1260                 .name = "serial_number",
1261                 .mode = S_IRUGO,
1262         },
1263         .show = aac_show_serial_number,
1264 };
1265 static struct device_attribute aac_max_channel = {
1266         .attr = {
1267                 .name = "max_channel",
1268                 .mode = S_IRUGO,
1269         },
1270         .show = aac_show_max_channel,
1271 };
1272 static struct device_attribute aac_max_id = {
1273         .attr = {
1274                 .name = "max_id",
1275                 .mode = S_IRUGO,
1276         },
1277         .show = aac_show_max_id,
1278 };
1279 static struct device_attribute aac_reset = {
1280         .attr = {
1281                 .name = "reset_host",
1282                 .mode = S_IWUSR|S_IRUGO,
1283         },
1284         .store = aac_store_reset_adapter,
1285         .show = aac_show_reset_adapter,
1286 };
1287
1288 static struct device_attribute *aac_attrs[] = {
1289         &aac_model,
1290         &aac_vendor,
1291         &aac_flags,
1292         &aac_kernel_version,
1293         &aac_monitor_version,
1294         &aac_bios_version,
1295         &aac_lld_version,
1296         &aac_serial_number,
1297         &aac_max_channel,
1298         &aac_max_id,
1299         &aac_reset,
1300         NULL
1301 };
1302
1303 ssize_t aac_get_serial_number(struct device *device, char *buf)
1304 {
1305         return aac_show_serial_number(device, &aac_serial_number, buf);
1306 }
1307
1308 static const struct file_operations aac_cfg_fops = {
1309         .owner          = THIS_MODULE,
1310         .unlocked_ioctl = aac_cfg_ioctl,
1311 #ifdef CONFIG_COMPAT
1312         .compat_ioctl   = aac_compat_cfg_ioctl,
1313 #endif
1314         .open           = aac_cfg_open,
1315         .llseek         = noop_llseek,
1316 };
1317
1318 static struct scsi_host_template aac_driver_template = {
1319         .module                         = THIS_MODULE,
1320         .name                           = "AAC",
1321         .proc_name                      = AAC_DRIVERNAME,
1322         .info                           = aac_info,
1323         .ioctl                          = aac_ioctl,
1324 #ifdef CONFIG_COMPAT
1325         .compat_ioctl                   = aac_compat_ioctl,
1326 #endif
1327         .queuecommand                   = aac_queuecommand,
1328         .bios_param                     = aac_biosparm,
1329         .shost_attrs                    = aac_attrs,
1330         .slave_configure                = aac_slave_configure,
1331         .change_queue_depth             = aac_change_queue_depth,
1332         .sdev_attrs                     = aac_dev_attrs,
1333         .eh_abort_handler               = aac_eh_abort,
1334         .eh_host_reset_handler          = aac_eh_reset,
1335         .can_queue                      = AAC_NUM_IO_FIB,
1336         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1337         .sg_tablesize                   = 16,
1338         .max_sectors                    = 128,
1339 #if (AAC_NUM_IO_FIB > 256)
1340         .cmd_per_lun                    = 256,
1341 #else
1342         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1343 #endif
1344         .use_clustering                 = ENABLE_CLUSTERING,
1345         .emulated                       = 1,
1346         .no_write_same                  = 1,
1347 };
1348
1349 static void __aac_shutdown(struct aac_dev * aac)
1350 {
1351         int i;
1352
1353         aac->adapter_shutdown = 1;
1354         aac_send_shutdown(aac);
1355
1356         if (aac->aif_thread) {
1357                 int i;
1358                 /* Clear out events first */
1359                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1360                         struct fib *fib = &aac->fibs[i];
1361                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1362                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1363                                 up(&fib->event_wait);
1364                 }
1365                 kthread_stop(aac->thread);
1366         }
1367         aac_adapter_disable_int(aac);
1368         if (aac->pdev->device == PMC_DEVICE_S6 ||
1369             aac->pdev->device == PMC_DEVICE_S7 ||
1370             aac->pdev->device == PMC_DEVICE_S8 ||
1371             aac->pdev->device == PMC_DEVICE_S9) {
1372                 if (aac->max_msix > 1) {
1373                         for (i = 0; i < aac->max_msix; i++) {
1374                                 free_irq(pci_irq_vector(aac->pdev, i),
1375                                          &(aac->aac_msix[i]));
1376                         }
1377                 } else {
1378                         free_irq(aac->pdev->irq,
1379                                  &(aac->aac_msix[0]));
1380                 }
1381         } else {
1382                 free_irq(aac->pdev->irq, aac);
1383         }
1384         if (aac->msi)
1385                 pci_disable_msi(aac->pdev);
1386         else if (aac->max_msix > 1)
1387                 pci_disable_msix(aac->pdev);
1388 }
1389 static void aac_init_char(void)
1390 {
1391         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1392         if (aac_cfg_major < 0) {
1393                 pr_err("aacraid: unable to register \"aac\" device.\n");
1394         }
1395 }
1396
1397 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1398 {
1399         unsigned index = id->driver_data;
1400         struct Scsi_Host *shost;
1401         struct aac_dev *aac;
1402         struct list_head *insert = &aac_devices;
1403         int error = -ENODEV;
1404         int unique_id = 0;
1405         u64 dmamask;
1406         extern int aac_sync_mode;
1407
1408         /*
1409          * Only series 7 needs freset.
1410          */
1411          if (pdev->device == PMC_DEVICE_S7)
1412                 pdev->needs_freset = 1;
1413
1414         list_for_each_entry(aac, &aac_devices, entry) {
1415                 if (aac->id > unique_id)
1416                         break;
1417                 insert = &aac->entry;
1418                 unique_id++;
1419         }
1420
1421         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1422                                PCIE_LINK_STATE_CLKPM);
1423
1424         error = pci_enable_device(pdev);
1425         if (error)
1426                 goto out;
1427         error = -ENODEV;
1428
1429         /*
1430          * If the quirk31 bit is set, the adapter needs adapter
1431          * to driver communication memory to be allocated below 2gig
1432          */
1433         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1434                 dmamask = DMA_BIT_MASK(31);
1435         else
1436                 dmamask = DMA_BIT_MASK(32);
1437
1438         if (pci_set_dma_mask(pdev, dmamask) ||
1439                         pci_set_consistent_dma_mask(pdev, dmamask))
1440                 goto out_disable_pdev;
1441
1442         pci_set_master(pdev);
1443
1444         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1445         if (!shost)
1446                 goto out_disable_pdev;
1447
1448         shost->irq = pdev->irq;
1449         shost->unique_id = unique_id;
1450         shost->max_cmd_len = 16;
1451         shost->use_cmd_list = 1;
1452
1453         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1454                 aac_init_char();
1455
1456         aac = (struct aac_dev *)shost->hostdata;
1457         aac->base_start = pci_resource_start(pdev, 0);
1458         aac->scsi_host_ptr = shost;
1459         aac->pdev = pdev;
1460         aac->name = aac_driver_template.name;
1461         aac->id = shost->unique_id;
1462         aac->cardtype = index;
1463         INIT_LIST_HEAD(&aac->entry);
1464
1465         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1466         if (!aac->fibs)
1467                 goto out_free_host;
1468         spin_lock_init(&aac->fib_lock);
1469
1470         mutex_init(&aac->ioctl_mutex);
1471         /*
1472          *      Map in the registers from the adapter.
1473          */
1474         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1475         if ((*aac_drivers[index].init)(aac))
1476                 goto out_unmap;
1477
1478         if (aac->sync_mode) {
1479                 if (aac_sync_mode)
1480                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1481                                 "by driver parameter. This will cause "
1482                                 "a significant performance decrease!\n",
1483                                 aac->name,
1484                                 aac->id);
1485                 else
1486                         printk(KERN_INFO "%s%d: Async. mode not supported "
1487                                 "by current driver, sync. mode enforced."
1488                                 "\nPlease update driver to get full performance.\n",
1489                                 aac->name,
1490                                 aac->id);
1491         }
1492
1493         /*
1494          *      Start any kernel threads needed
1495          */
1496         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1497         if (IS_ERR(aac->thread)) {
1498                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1499                 error = PTR_ERR(aac->thread);
1500                 aac->thread = NULL;
1501                 goto out_deinit;
1502         }
1503
1504         /*
1505          * If we had set a smaller DMA mask earlier, set it to 4gig
1506          * now since the adapter can dma data to at least a 4gig
1507          * address space.
1508          */
1509         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1510                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1511                         goto out_deinit;
1512
1513         aac->maximum_num_channels = aac_drivers[index].channels;
1514         error = aac_get_adapter_info(aac);
1515         if (error < 0)
1516                 goto out_deinit;
1517
1518         /*
1519          * Lets override negotiations and drop the maximum SG limit to 34
1520          */
1521         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1522                         (shost->sg_tablesize > 34)) {
1523                 shost->sg_tablesize = 34;
1524                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1525         }
1526
1527         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1528                         (shost->sg_tablesize > 17)) {
1529                 shost->sg_tablesize = 17;
1530                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1531         }
1532
1533         error = pci_set_dma_max_seg_size(pdev,
1534                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1535                         (shost->max_sectors << 9) : 65536);
1536         if (error)
1537                 goto out_deinit;
1538
1539         /*
1540          * Firmware printf works only with older firmware.
1541          */
1542         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1543                 aac->printf_enabled = 1;
1544         else
1545                 aac->printf_enabled = 0;
1546
1547         /*
1548          * max channel will be the physical channels plus 1 virtual channel
1549          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1550          * physical channels are address by their actual physical number+1
1551          */
1552         if (aac->nondasd_support || expose_physicals || aac->jbod)
1553                 shost->max_channel = aac->maximum_num_channels;
1554         else
1555                 shost->max_channel = 0;
1556
1557         aac_get_config_status(aac, 0);
1558         aac_get_containers(aac);
1559         list_add(&aac->entry, insert);
1560
1561         shost->max_id = aac->maximum_num_containers;
1562         if (shost->max_id < aac->maximum_num_physicals)
1563                 shost->max_id = aac->maximum_num_physicals;
1564         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1565                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1566         else
1567                 shost->this_id = shost->max_id;
1568
1569         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1570                 aac_intr_normal(aac, 0, 2, 0, NULL);
1571
1572         /*
1573          * dmb - we may need to move the setting of these parms somewhere else once
1574          * we get a fib that can report the actual numbers
1575          */
1576         shost->max_lun = AAC_MAX_LUN;
1577
1578         pci_set_drvdata(pdev, shost);
1579
1580         error = scsi_add_host(shost, &pdev->dev);
1581         if (error)
1582                 goto out_deinit;
1583         scsi_scan_host(shost);
1584
1585         pci_enable_pcie_error_reporting(pdev);
1586         pci_save_state(pdev);
1587
1588         return 0;
1589
1590  out_deinit:
1591         __aac_shutdown(aac);
1592  out_unmap:
1593         aac_fib_map_free(aac);
1594         if (aac->comm_addr)
1595                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1596                   aac->comm_phys);
1597         kfree(aac->queues);
1598         aac_adapter_ioremap(aac, 0);
1599         kfree(aac->fibs);
1600         kfree(aac->fsa_dev);
1601  out_free_host:
1602         scsi_host_put(shost);
1603  out_disable_pdev:
1604         pci_disable_device(pdev);
1605  out:
1606         return error;
1607 }
1608
1609 static void aac_release_resources(struct aac_dev *aac)
1610 {
1611         aac_adapter_disable_int(aac);
1612         aac_free_irq(aac);
1613 }
1614
1615 static int aac_acquire_resources(struct aac_dev *dev)
1616 {
1617         unsigned long status;
1618         /*
1619          *      First clear out all interrupts.  Then enable the one's that we
1620          *      can handle.
1621          */
1622         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1623                 || status == 0xffffffff)
1624                         msleep(20);
1625
1626         aac_adapter_disable_int(dev);
1627         aac_adapter_enable_int(dev);
1628
1629
1630         if ((dev->pdev->device == PMC_DEVICE_S7 ||
1631              dev->pdev->device == PMC_DEVICE_S8 ||
1632              dev->pdev->device == PMC_DEVICE_S9))
1633                 aac_define_int_mode(dev);
1634
1635         if (dev->msi_enabled)
1636                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1637
1638         if (aac_acquire_irq(dev))
1639                 goto error_iounmap;
1640
1641         aac_adapter_enable_int(dev);
1642
1643         /*max msix may change  after EEH
1644          * Re-assign vectors to fibs
1645          */
1646         aac_fib_vector_assign(dev);
1647
1648         if (!dev->sync_mode) {
1649                 /* After EEH recovery or suspend resume, max_msix count
1650                  * may change, therefore updating in init as well.
1651                  */
1652                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1653                 aac_adapter_start(dev);
1654         }
1655         return 0;
1656
1657 error_iounmap:
1658         return -1;
1659
1660 }
1661
1662 #if (defined(CONFIG_PM))
1663 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1664 {
1665
1666         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1667         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1668
1669         scsi_block_requests(shost);
1670         aac_send_shutdown(aac);
1671
1672         aac_release_resources(aac);
1673
1674         pci_set_drvdata(pdev, shost);
1675         pci_save_state(pdev);
1676         pci_disable_device(pdev);
1677         pci_set_power_state(pdev, pci_choose_state(pdev, state));
1678
1679         return 0;
1680 }
1681
1682 static int aac_resume(struct pci_dev *pdev)
1683 {
1684         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1685         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1686         int r;
1687
1688         pci_set_power_state(pdev, PCI_D0);
1689         pci_enable_wake(pdev, PCI_D0, 0);
1690         pci_restore_state(pdev);
1691         r = pci_enable_device(pdev);
1692
1693         if (r)
1694                 goto fail_device;
1695
1696         pci_set_master(pdev);
1697         if (aac_acquire_resources(aac))
1698                 goto fail_device;
1699         /*
1700         * reset this flag to unblock ioctl() as it was set at
1701         * aac_send_shutdown() to block ioctls from upperlayer
1702         */
1703         aac->adapter_shutdown = 0;
1704         scsi_unblock_requests(shost);
1705
1706         return 0;
1707
1708 fail_device:
1709         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1710         scsi_host_put(shost);
1711         pci_disable_device(pdev);
1712         return -ENODEV;
1713 }
1714 #endif
1715
1716 static void aac_shutdown(struct pci_dev *dev)
1717 {
1718         struct Scsi_Host *shost = pci_get_drvdata(dev);
1719         scsi_block_requests(shost);
1720         __aac_shutdown((struct aac_dev *)shost->hostdata);
1721 }
1722
1723 static void aac_remove_one(struct pci_dev *pdev)
1724 {
1725         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1726         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1727
1728         scsi_remove_host(shost);
1729
1730         __aac_shutdown(aac);
1731         aac_fib_map_free(aac);
1732         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1733                         aac->comm_phys);
1734         kfree(aac->queues);
1735
1736         aac_adapter_ioremap(aac, 0);
1737
1738         kfree(aac->fibs);
1739         kfree(aac->fsa_dev);
1740
1741         list_del(&aac->entry);
1742         scsi_host_put(shost);
1743         pci_disable_device(pdev);
1744         if (list_empty(&aac_devices)) {
1745                 unregister_chrdev(aac_cfg_major, "aac");
1746                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1747         }
1748 }
1749
1750 static void aac_flush_ios(struct aac_dev *aac)
1751 {
1752         int i;
1753         struct scsi_cmnd *cmd;
1754
1755         for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1756                 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1757                 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1758                         scsi_dma_unmap(cmd);
1759
1760                         if (aac->handle_pci_error)
1761                                 cmd->result = DID_NO_CONNECT << 16;
1762                         else
1763                                 cmd->result = DID_RESET << 16;
1764
1765                         cmd->scsi_done(cmd);
1766                 }
1767         }
1768 }
1769
1770 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1771                                         enum pci_channel_state error)
1772 {
1773         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1774         struct aac_dev *aac = shost_priv(shost);
1775
1776         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1777
1778         switch (error) {
1779         case pci_channel_io_normal:
1780                 return PCI_ERS_RESULT_CAN_RECOVER;
1781         case pci_channel_io_frozen:
1782                 aac->handle_pci_error = 1;
1783
1784                 scsi_block_requests(aac->scsi_host_ptr);
1785                 aac_flush_ios(aac);
1786                 aac_release_resources(aac);
1787
1788                 pci_disable_pcie_error_reporting(pdev);
1789                 aac_adapter_ioremap(aac, 0);
1790
1791                 return PCI_ERS_RESULT_NEED_RESET;
1792         case pci_channel_io_perm_failure:
1793                 aac->handle_pci_error = 1;
1794
1795                 aac_flush_ios(aac);
1796                 return PCI_ERS_RESULT_DISCONNECT;
1797         }
1798
1799         return PCI_ERS_RESULT_NEED_RESET;
1800 }
1801
1802 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1803 {
1804         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1805         return PCI_ERS_RESULT_NEED_RESET;
1806 }
1807
1808 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1809 {
1810         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1811         pci_restore_state(pdev);
1812         if (pci_enable_device(pdev)) {
1813                 dev_warn(&pdev->dev,
1814                         "aacraid: failed to enable slave\n");
1815                 goto fail_device;
1816         }
1817
1818         pci_set_master(pdev);
1819
1820         if (pci_enable_device_mem(pdev)) {
1821                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1822                 goto fail_device;
1823         }
1824
1825         return PCI_ERS_RESULT_RECOVERED;
1826
1827 fail_device:
1828         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1829         return PCI_ERS_RESULT_DISCONNECT;
1830 }
1831
1832
1833 static void aac_pci_resume(struct pci_dev *pdev)
1834 {
1835         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1836         struct scsi_device *sdev = NULL;
1837         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1838
1839         pci_cleanup_aer_uncorrect_error_status(pdev);
1840
1841         if (aac_adapter_ioremap(aac, aac->base_size)) {
1842
1843                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1844                 /* remap failed, go back ... */
1845                 aac->comm_interface = AAC_COMM_PRODUCER;
1846                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1847                         dev_warn(&pdev->dev,
1848                                 "aacraid: unable to map adapter.\n");
1849
1850                         return;
1851                 }
1852         }
1853
1854         msleep(10000);
1855
1856         aac_acquire_resources(aac);
1857
1858         /*
1859          * reset this flag to unblock ioctl() as it was set
1860          * at aac_send_shutdown() to block ioctls from upperlayer
1861          */
1862         aac->adapter_shutdown = 0;
1863         aac->handle_pci_error = 0;
1864
1865         shost_for_each_device(sdev, shost)
1866                 if (sdev->sdev_state == SDEV_OFFLINE)
1867                         sdev->sdev_state = SDEV_RUNNING;
1868         scsi_unblock_requests(aac->scsi_host_ptr);
1869         scsi_scan_host(aac->scsi_host_ptr);
1870         pci_save_state(pdev);
1871
1872         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1873 }
1874
1875 static struct pci_error_handlers aac_pci_err_handler = {
1876         .error_detected         = aac_pci_error_detected,
1877         .mmio_enabled           = aac_pci_mmio_enabled,
1878         .slot_reset             = aac_pci_slot_reset,
1879         .resume                 = aac_pci_resume,
1880 };
1881
1882 static struct pci_driver aac_pci_driver = {
1883         .name           = AAC_DRIVERNAME,
1884         .id_table       = aac_pci_tbl,
1885         .probe          = aac_probe_one,
1886         .remove         = aac_remove_one,
1887 #if (defined(CONFIG_PM))
1888         .suspend        = aac_suspend,
1889         .resume         = aac_resume,
1890 #endif
1891         .shutdown       = aac_shutdown,
1892         .err_handler    = &aac_pci_err_handler,
1893 };
1894
1895 static int __init aac_init(void)
1896 {
1897         int error;
1898
1899         printk(KERN_INFO "Adaptec %s driver %s\n",
1900           AAC_DRIVERNAME, aac_driver_version);
1901
1902         error = pci_register_driver(&aac_pci_driver);
1903         if (error < 0)
1904                 return error;
1905
1906         aac_init_char();
1907
1908
1909         return 0;
1910 }
1911
1912 static void __exit aac_exit(void)
1913 {
1914         if (aac_cfg_major > -1)
1915                 unregister_chrdev(aac_cfg_major, "aac");
1916         pci_unregister_driver(&aac_pci_driver);
1917 }
1918
1919 module_init(aac_init);
1920 module_exit(aac_exit);