kernel/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 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; see the file COPYING.  If not, write to
  23  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  24  *
  25  * Module Name:
  26  *   linit.c
  27  *
  28  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  29  */
  30
  31
  32 #include <linux/compat.h>
  33 #include <linux/blkdev.h>
  34 #include <linux/completion.h>
  35 #include <linux/init.h>
  36 #include <linux/interrupt.h>
  37 #include <linux/kernel.h>
  38 #include <linux/module.h>
  39 #include <linux/moduleparam.h>
  40 #include <linux/pci.h>
  41 #include <linux/pci-aspm.h>
  42 #include <linux/slab.h>
  43 #include <linux/mutex.h>
  44 #include <linux/spinlock.h>
  45 #include <linux/syscalls.h>
  46 #include <linux/delay.h>
  47 #include <linux/kthread.h>
  48
  49 #include <scsi/scsi.h>
  50 #include <scsi/scsi_cmnd.h>
  51 #include <scsi/scsi_device.h>
  52 #include <scsi/scsi_host.h>
  53 #include <scsi/scsi_tcq.h>
  54 #include <scsi/scsicam.h>
  55 #include <scsi/scsi_eh.h>
  56
  57 #include "aacraid.h"
  58
  59 #define AAC_DRIVER_VERSION              "1.2-1"
  60 #ifndef AAC_DRIVER_BRANCH
  61 #define AAC_DRIVER_BRANCH               ""
  62 #endif
  63 #define AAC_DRIVERNAME                  "aacraid"
  64
  65 #ifdef AAC_DRIVER_BUILD
  66 #define _str(x) #x
  67 #define str(x) _str(x)
  68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  69 #else
  70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  71 #endif
  72
  73 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  74 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  75                    "Adaptec Advanced Raid Products, "
  76                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  77 MODULE_LICENSE("GPL");
  78 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  79
  80 static DEFINE_MUTEX(aac_mutex);
  81 static LIST_HEAD(aac_devices);
  82 static int aac_cfg_major = -1;
  83 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  84
  85 /*
  86  * Because of the way Linux names scsi devices, the order in this table has
  87  * become important.  Check for on-board Raid first, add-in cards second.
  88  *
  89  * Note: The last field is used to index into aac_drivers below.
  90  */
  91 static const struct pci_device_id aac_pci_tbl[] = {
  92         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  93         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  94         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  95         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  96         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  97         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  98         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  99         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 100         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 101         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 102         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 103         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 104         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 105         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 106         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 107         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 108
 109         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 110         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 111         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 112         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 113         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 114         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 115         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 116         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 117         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 118         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 119         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 120         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 121         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 122         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 123         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 124         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 125         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 126         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 127         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 128         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 129         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 130         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 131         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 132         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 133         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 134         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 135         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 136         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 137         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 138         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 139         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 140         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 141         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 142         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 143         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 144         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 145         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 146         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 147
 148         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 149         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 150         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 151         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 152         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 153
 154         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 155         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 156         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 157         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 158         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 159         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 160         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 161         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 162         { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
 163         { 0,}
 164 };
 165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 166
 167 /*
 168  * dmb - For now we add the number of channels to this structure.
 169  * In the future we should add a fib that reports the number of channels
 170  * for the card.  At that time we can remove the channels from here
 171  */
 172 static struct aac_driver_ident aac_drivers[] = {
 173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 182         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 183         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 187         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 189
 190         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 192         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 194         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 199         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 204         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 205         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 206         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 207         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 208         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 212         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 213         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 219         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 220         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 222         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 225         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 226
 227         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 228         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 229         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 230         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 231         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 232
 233         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 234         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 235         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 236         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 237         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 238         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
 239         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 7 (Denali) */
 240         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 8 */
 241         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Series 9 */
 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         if (aac->jbod && (sdev->type == TYPE_DISK))
 406                 sdev->removable = 1;
 407         if ((sdev->type == TYPE_DISK) &&
 408                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 409                         (!aac->jbod || sdev->inq_periph_qual) &&
 410                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 411                 if (expose_physicals == 0)
 412                         return -ENXIO;
 413                 if (expose_physicals < 0)
 414                         sdev->no_uld_attach = 1;
 415         }
 416         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 417                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 418                         !sdev->no_uld_attach) {
 419                 struct scsi_device * dev;
 420                 struct Scsi_Host *host = sdev->host;
 421                 unsigned num_lsu = 0;
 422                 unsigned num_one = 0;
 423                 unsigned depth;
 424                 unsigned cid;
 425
 426                 /*
 427                  * Firmware has an individual device recovery time typically
 428                  * of 35 seconds, give us a margin.
 429                  */
 430                 if (sdev->request_queue->rq_timeout < (45 * HZ))
 431                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 432                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 433                         if (aac->fsa_dev[cid].valid)
 434                                 ++num_lsu;
 435                 __shost_for_each_device(dev, host) {
 436                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 437                                         (!aac->raid_scsi_mode ||
 438                                                 (sdev_channel(sdev) != 2)) &&
 439                                         !dev->no_uld_attach) {
 440                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 441                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 442                                         ++num_lsu;
 443                         } else
 444                                 ++num_one;
 445                 }
 446                 if (num_lsu == 0)
 447                         ++num_lsu;
 448                 depth = (host->can_queue - num_one) / num_lsu;
 449                 if (depth > 256)
 450                         depth = 256;
 451                 else if (depth < 2)
 452                         depth = 2;
 453                 scsi_change_queue_depth(sdev, depth);
 454         } else
 455                 scsi_change_queue_depth(sdev, 1);
 456
 457         return 0;
 458 }
 459
 460 /**
 461  *      aac_change_queue_depth          -       alter queue depths
 462  *      @sdev:  SCSI device we are considering
 463  *      @depth: desired queue depth
 464  *
 465  *      Alters queue depths for target device based on the host adapter's
 466  *      total capacity and the queue depth supported by the target device.
 467  */
 468
 469 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 470 {
 471         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 472             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 473                 struct scsi_device * dev;
 474                 struct Scsi_Host *host = sdev->host;
 475                 unsigned num = 0;
 476
 477                 __shost_for_each_device(dev, host) {
 478                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 479                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 480                                 ++num;
 481                         ++num;
 482                 }
 483                 if (num >= host->can_queue)
 484                         num = host->can_queue - 1;
 485                 if (depth > (host->can_queue - num))
 486                         depth = host->can_queue - num;
 487                 if (depth > 256)
 488                         depth = 256;
 489                 else if (depth < 2)
 490                         depth = 2;
 491                 return scsi_change_queue_depth(sdev, depth);
 492         }
 493
 494         return scsi_change_queue_depth(sdev, 1);
 495 }
 496
 497 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 498 {
 499         struct scsi_device *sdev = to_scsi_device(dev);
 500         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 501         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 502                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 503                   ? "Hidden\n" :
 504                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 505         return snprintf(buf, PAGE_SIZE, "%s\n",
 506           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 507 }
 508
 509 static struct device_attribute aac_raid_level_attr = {
 510         .attr = {
 511                 .name = "level",
 512                 .mode = S_IRUGO,
 513         },
 514         .show = aac_show_raid_level
 515 };
 516
 517 static struct device_attribute *aac_dev_attrs[] = {
 518         &aac_raid_level_attr,
 519         NULL,
 520 };
 521
 522 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 523 {
 524         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 525         if (!capable(CAP_SYS_RAWIO))
 526                 return -EPERM;
 527         return aac_do_ioctl(dev, cmd, arg);
 528 }
 529
 530 static int aac_eh_abort(struct scsi_cmnd* cmd)
 531 {
 532         struct scsi_device * dev = cmd->device;
 533         struct Scsi_Host * host = dev->host;
 534         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 535         int count;
 536         int ret = FAILED;
 537
 538         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
 539                 AAC_DRIVERNAME,
 540                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 541         switch (cmd->cmnd[0]) {
 542         case SERVICE_ACTION_IN_16:
 543                 if (!(aac->raw_io_interface) ||
 544                     !(aac->raw_io_64) ||
 545                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 546                         break;
 547         case INQUIRY:
 548         case READ_CAPACITY:
 549                 /* Mark associated FIB to not complete, eh handler does this */
 550                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 551                         struct fib * fib = &aac->fibs[count];
 552                         if (fib->hw_fib_va->header.XferState &&
 553                           (fib->flags & FIB_CONTEXT_FLAG) &&
 554                           (fib->callback_data == cmd)) {
 555                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 556                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 557                                 ret = SUCCESS;
 558                         }
 559                 }
 560                 break;
 561         case TEST_UNIT_READY:
 562                 /* Mark associated FIB to not complete, eh handler does this */
 563                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 564                         struct scsi_cmnd * command;
 565                         struct fib * fib = &aac->fibs[count];
 566                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 567                           (fib->flags & FIB_CONTEXT_FLAG) &&
 568                           ((command = fib->callback_data)) &&
 569                           (command->device == cmd->device)) {
 570                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 571                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 572                                 if (command == cmd)
 573                                         ret = SUCCESS;
 574                         }
 575                 }
 576         }
 577         return ret;
 578 }
 579
 580 /*
 581  *      aac_eh_reset    - Reset command handling
 582  *      @scsi_cmd:      SCSI command block causing the reset
 583  *
 584  */
 585 static int aac_eh_reset(struct scsi_cmnd* cmd)
 586 {
 587         struct scsi_device * dev = cmd->device;
 588         struct Scsi_Host * host = dev->host;
 589         struct scsi_cmnd * command;
 590         int count;
 591         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 592         unsigned long flags;
 593
 594         /* Mark the associated FIB to not complete, eh handler does this */
 595         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 596                 struct fib * fib = &aac->fibs[count];
 597                 if (fib->hw_fib_va->header.XferState &&
 598                   (fib->flags & FIB_CONTEXT_FLAG) &&
 599                   (fib->callback_data == cmd)) {
 600                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 601                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 602                 }
 603         }
 604         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 605                                         AAC_DRIVERNAME);
 606
 607         if ((count = aac_check_health(aac)))
 608                 return count;
 609         /*
 610          * Wait for all commands to complete to this specific
 611          * target (block maximum 60 seconds).
 612          */
 613         for (count = 60; count; --count) {
 614                 int active = aac->in_reset;
 615
 616                 if (active == 0)
 617                 __shost_for_each_device(dev, host) {
 618                         spin_lock_irqsave(&dev->list_lock, flags);
 619                         list_for_each_entry(command, &dev->cmd_list, list) {
 620                                 if ((command != cmd) &&
 621                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 622                                         active++;
 623                                         break;
 624                                 }
 625                         }
 626                         spin_unlock_irqrestore(&dev->list_lock, flags);
 627                         if (active)
 628                                 break;
 629
 630                 }
 631                 /*
 632                  * We can exit If all the commands are complete
 633                  */
 634                 if (active == 0)
 635                         return SUCCESS;
 636                 ssleep(1);
 637         }
 638         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 639         /*
 640          * This adapter needs a blind reset, only do so for Adapters that
 641          * support a register, instead of a commanded, reset.
 642          */
 643         if (((aac->supplement_adapter_info.SupportedOptions2 &
 644           AAC_OPTION_MU_RESET) ||
 645           (aac->supplement_adapter_info.SupportedOptions2 &
 646           AAC_OPTION_DOORBELL_RESET)) &&
 647           aac_check_reset &&
 648           ((aac_check_reset != 1) ||
 649            !(aac->supplement_adapter_info.SupportedOptions2 &
 650             AAC_OPTION_IGNORE_RESET)))
 651                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 652         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 653 }
 654
 655 /**
 656  *      aac_cfg_open            -       open a configuration file
 657  *      @inode: inode being opened
 658  *      @file: file handle attached
 659  *
 660  *      Called when the configuration device is opened. Does the needed
 661  *      set up on the handle and then returns
 662  *
 663  *      Bugs: This needs extending to check a given adapter is present
 664  *      so we can support hot plugging, and to ref count adapters.
 665  */
 666
 667 static int aac_cfg_open(struct inode *inode, struct file *file)
 668 {
 669         struct aac_dev *aac;
 670         unsigned minor_number = iminor(inode);
 671         int err = -ENODEV;
 672
 673         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 674         list_for_each_entry(aac, &aac_devices, entry) {
 675                 if (aac->id == minor_number) {
 676                         file->private_data = aac;
 677                         err = 0;
 678                         break;
 679                 }
 680         }
 681         mutex_unlock(&aac_mutex);
 682
 683         return err;
 684 }
 685
 686 /**
 687  *      aac_cfg_ioctl           -       AAC configuration request
 688  *      @inode: inode of device
 689  *      @file: file handle
 690  *      @cmd: ioctl command code
 691  *      @arg: argument
 692  *
 693  *      Handles a configuration ioctl. Currently this involves wrapping it
 694  *      up and feeding it into the nasty windowsalike glue layer.
 695  *
 696  *      Bugs: Needs locking against parallel ioctls lower down
 697  *      Bugs: Needs to handle hot plugging
 698  */
 699
 700 static long aac_cfg_ioctl(struct file *file,
 701                 unsigned int cmd, unsigned long arg)
 702 {
 703         int ret;
 704         struct aac_dev *aac;
 705         aac = (struct aac_dev *)file->private_data;
 706         if (!capable(CAP_SYS_RAWIO) || aac->adapter_shutdown)
 707                 return -EPERM;
 708         mutex_lock(&aac_mutex);
 709         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 710         mutex_unlock(&aac_mutex);
 711
 712         return ret;
 713 }
 714
 715 #ifdef CONFIG_COMPAT
 716 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 717 {
 718         long ret;
 719         mutex_lock(&aac_mutex);
 720         switch (cmd) {
 721         case FSACTL_MINIPORT_REV_CHECK:
 722         case FSACTL_SENDFIB:
 723         case FSACTL_OPEN_GET_ADAPTER_FIB:
 724         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 725         case FSACTL_SEND_RAW_SRB:
 726         case FSACTL_GET_PCI_INFO:
 727         case FSACTL_QUERY_DISK:
 728         case FSACTL_DELETE_DISK:
 729         case FSACTL_FORCE_DELETE_DISK:
 730         case FSACTL_GET_CONTAINERS:
 731         case FSACTL_SEND_LARGE_FIB:
 732                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 733                 break;
 734
 735         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 736                 struct fib_ioctl __user *f;
 737
 738                 f = compat_alloc_user_space(sizeof(*f));
 739                 ret = 0;
 740                 if (clear_user(f, sizeof(*f)))
 741                         ret = -EFAULT;
 742                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 743                         ret = -EFAULT;
 744                 if (!ret)
 745                         ret = aac_do_ioctl(dev, cmd, f);
 746                 break;
 747         }
 748
 749         default:
 750                 ret = -ENOIOCTLCMD;
 751                 break;
 752         }
 753         mutex_unlock(&aac_mutex);
 754         return ret;
 755 }
 756
 757 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 758 {
 759         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 760         if (!capable(CAP_SYS_RAWIO))
 761                 return -EPERM;
 762         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 763 }
 764
 765 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 766 {
 767         if (!capable(CAP_SYS_RAWIO))
 768                 return -EPERM;
 769         return aac_compat_do_ioctl(file->private_data, cmd, arg);
 770 }
 771 #endif
 772
 773 static ssize_t aac_show_model(struct device *device,
 774                               struct device_attribute *attr, char *buf)
 775 {
 776         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 777         int len;
 778
 779         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 780                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 781                 while (*cp && *cp != ' ')
 782                         ++cp;
 783                 while (*cp == ' ')
 784                         ++cp;
 785                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 786         } else
 787                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 788                   aac_drivers[dev->cardtype].model);
 789         return len;
 790 }
 791
 792 static ssize_t aac_show_vendor(struct device *device,
 793                                struct device_attribute *attr, char *buf)
 794 {
 795         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 796         int len;
 797
 798         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 799                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 800                 while (*cp && *cp != ' ')
 801                         ++cp;
 802                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 803                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 804                   dev->supplement_adapter_info.AdapterTypeText);
 805         } else
 806                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 807                   aac_drivers[dev->cardtype].vname);
 808         return len;
 809 }
 810
 811 static ssize_t aac_show_flags(struct device *cdev,
 812                               struct device_attribute *attr, char *buf)
 813 {
 814         int len = 0;
 815         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 816
 817         if (nblank(dprintk(x)))
 818                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 819 #ifdef AAC_DETAILED_STATUS_INFO
 820         len += snprintf(buf + len, PAGE_SIZE - len,
 821                         "AAC_DETAILED_STATUS_INFO\n");
 822 #endif
 823         if (dev->raw_io_interface && dev->raw_io_64)
 824                 len += snprintf(buf + len, PAGE_SIZE - len,
 825                                 "SAI_READ_CAPACITY_16\n");
 826         if (dev->jbod)
 827                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 828         if (dev->supplement_adapter_info.SupportedOptions2 &
 829                 AAC_OPTION_POWER_MANAGEMENT)
 830                 len += snprintf(buf + len, PAGE_SIZE - len,
 831                                 "SUPPORTED_POWER_MANAGEMENT\n");
 832         if (dev->msi)
 833                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 834         return len;
 835 }
 836
 837 static ssize_t aac_show_kernel_version(struct device *device,
 838                                        struct device_attribute *attr,
 839                                        char *buf)
 840 {
 841         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 842         int len, tmp;
 843
 844         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 845         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 846           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 847           le32_to_cpu(dev->adapter_info.kernelbuild));
 848         return len;
 849 }
 850
 851 static ssize_t aac_show_monitor_version(struct device *device,
 852                                         struct device_attribute *attr,
 853                                         char *buf)
 854 {
 855         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 856         int len, tmp;
 857
 858         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 859         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 860           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 861           le32_to_cpu(dev->adapter_info.monitorbuild));
 862         return len;
 863 }
 864
 865 static ssize_t aac_show_bios_version(struct device *device,
 866                                      struct device_attribute *attr,
 867                                      char *buf)
 868 {
 869         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 870         int len, tmp;
 871
 872         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 873         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 874           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 875           le32_to_cpu(dev->adapter_info.biosbuild));
 876         return len;
 877 }
 878
 879 static ssize_t aac_show_serial_number(struct device *device,
 880                                struct device_attribute *attr, char *buf)
 881 {
 882         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 883         int len = 0;
 884
 885         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 886                 len = snprintf(buf, 16, "%06X\n",
 887                   le32_to_cpu(dev->adapter_info.serial[0]));
 888         if (len &&
 889           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 890             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 891           buf, len-1))
 892                 len = snprintf(buf, 16, "%.*s\n",
 893                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 894                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 895
 896         return min(len, 16);
 897 }
 898
 899 static ssize_t aac_show_max_channel(struct device *device,
 900                                     struct device_attribute *attr, char *buf)
 901 {
 902         return snprintf(buf, PAGE_SIZE, "%d\n",
 903           class_to_shost(device)->max_channel);
 904 }
 905
 906 static ssize_t aac_show_max_id(struct device *device,
 907                                struct device_attribute *attr, char *buf)
 908 {
 909         return snprintf(buf, PAGE_SIZE, "%d\n",
 910           class_to_shost(device)->max_id);
 911 }
 912
 913 static ssize_t aac_store_reset_adapter(struct device *device,
 914                                        struct device_attribute *attr,
 915                                        const char *buf, size_t count)
 916 {
 917         int retval = -EACCES;
 918
 919         if (!capable(CAP_SYS_ADMIN))
 920                 return retval;
 921         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 922         if (retval >= 0)
 923                 retval = count;
 924         return retval;
 925 }
 926
 927 static ssize_t aac_show_reset_adapter(struct device *device,
 928                                       struct device_attribute *attr,
 929                                       char *buf)
 930 {
 931         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 932         int len, tmp;
 933
 934         tmp = aac_adapter_check_health(dev);
 935         if ((tmp == 0) && dev->in_reset)
 936                 tmp = -EBUSY;
 937         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 938         return len;
 939 }
 940
 941 static struct device_attribute aac_model = {
 942         .attr = {
 943                 .name = "model",
 944                 .mode = S_IRUGO,
 945         },
 946         .show = aac_show_model,
 947 };
 948 static struct device_attribute aac_vendor = {
 949         .attr = {
 950                 .name = "vendor",
 951                 .mode = S_IRUGO,
 952         },
 953         .show = aac_show_vendor,
 954 };
 955 static struct device_attribute aac_flags = {
 956         .attr = {
 957                 .name = "flags",
 958                 .mode = S_IRUGO,
 959         },
 960         .show = aac_show_flags,
 961 };
 962 static struct device_attribute aac_kernel_version = {
 963         .attr = {
 964                 .name = "hba_kernel_version",
 965                 .mode = S_IRUGO,
 966         },
 967         .show = aac_show_kernel_version,
 968 };
 969 static struct device_attribute aac_monitor_version = {
 970         .attr = {
 971                 .name = "hba_monitor_version",
 972                 .mode = S_IRUGO,
 973         },
 974         .show = aac_show_monitor_version,
 975 };
 976 static struct device_attribute aac_bios_version = {
 977         .attr = {
 978                 .name = "hba_bios_version",
 979                 .mode = S_IRUGO,
 980         },
 981         .show = aac_show_bios_version,
 982 };
 983 static struct device_attribute aac_serial_number = {
 984         .attr = {
 985                 .name = "serial_number",
 986                 .mode = S_IRUGO,
 987         },
 988         .show = aac_show_serial_number,
 989 };
 990 static struct device_attribute aac_max_channel = {
 991         .attr = {
 992                 .name = "max_channel",
 993                 .mode = S_IRUGO,
 994         },
 995         .show = aac_show_max_channel,
 996 };
 997 static struct device_attribute aac_max_id = {
 998         .attr = {
 999                 .name = "max_id",
1000                 .mode = S_IRUGO,
1001         },
1002         .show = aac_show_max_id,
1003 };
1004 static struct device_attribute aac_reset = {
1005         .attr = {
1006                 .name = "reset_host",
1007                 .mode = S_IWUSR|S_IRUGO,
1008         },
1009         .store = aac_store_reset_adapter,
1010         .show = aac_show_reset_adapter,
1011 };
1012
1013 static struct device_attribute *aac_attrs[] = {
1014         &aac_model,
1015         &aac_vendor,
1016         &aac_flags,
1017         &aac_kernel_version,
1018         &aac_monitor_version,
1019         &aac_bios_version,
1020         &aac_serial_number,
1021         &aac_max_channel,
1022         &aac_max_id,
1023         &aac_reset,
1024         NULL
1025 };
1026
1027 ssize_t aac_get_serial_number(struct device *device, char *buf)
1028 {
1029         return aac_show_serial_number(device, &aac_serial_number, buf);
1030 }
1031
1032 static const struct file_operations aac_cfg_fops = {
1033         .owner          = THIS_MODULE,
1034         .unlocked_ioctl = aac_cfg_ioctl,
1035 #ifdef CONFIG_COMPAT
1036         .compat_ioctl   = aac_compat_cfg_ioctl,
1037 #endif
1038         .open           = aac_cfg_open,
1039         .llseek         = noop_llseek,
1040 };
1041
1042 static struct scsi_host_template aac_driver_template = {
1043         .module                         = THIS_MODULE,
1044         .name                           = "AAC",
1045         .proc_name                      = AAC_DRIVERNAME,
1046         .info                           = aac_info,
1047         .ioctl                          = aac_ioctl,
1048 #ifdef CONFIG_COMPAT
1049         .compat_ioctl                   = aac_compat_ioctl,
1050 #endif
1051         .queuecommand                   = aac_queuecommand,
1052         .bios_param                     = aac_biosparm,
1053         .shost_attrs                    = aac_attrs,
1054         .slave_configure                = aac_slave_configure,
1055         .change_queue_depth             = aac_change_queue_depth,
1056         .sdev_attrs                     = aac_dev_attrs,
1057         .eh_abort_handler               = aac_eh_abort,
1058         .eh_host_reset_handler          = aac_eh_reset,
1059         .can_queue                      = AAC_NUM_IO_FIB,
1060         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1061         .sg_tablesize                   = 16,
1062         .max_sectors                    = 128,
1063 #if (AAC_NUM_IO_FIB > 256)
1064         .cmd_per_lun                    = 256,
1065 #else
1066         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1067 #endif
1068         .use_clustering                 = ENABLE_CLUSTERING,
1069         .emulated                       = 1,
1070         .no_write_same                  = 1,
1071 };
1072
1073 static void __aac_shutdown(struct aac_dev * aac)
1074 {
1075         int i;
1076         int cpu;
1077
1078         if (aac->aif_thread) {
1079                 int i;
1080                 /* Clear out events first */
1081                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1082                         struct fib *fib = &aac->fibs[i];
1083                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1084                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1085                                 up(&fib->event_wait);
1086                 }
1087                 kthread_stop(aac->thread);
1088         }
1089         aac_send_shutdown(aac);
1090         aac_adapter_disable_int(aac);
1091         cpu = cpumask_first(cpu_online_mask);
1092         if (aac->pdev->device == PMC_DEVICE_S6 ||
1093             aac->pdev->device == PMC_DEVICE_S7 ||
1094             aac->pdev->device == PMC_DEVICE_S8 ||
1095             aac->pdev->device == PMC_DEVICE_S9) {
1096                 if (aac->max_msix > 1) {
1097                         for (i = 0; i < aac->max_msix; i++) {
1098                                 if (irq_set_affinity_hint(
1099                                     aac->msixentry[i].vector,
1100                                     NULL)) {
1101                                         printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
1102                                                 aac->name,
1103                                                 aac->id,
1104                                                 cpu);
1105                                 }
1106                                 cpu = cpumask_next(cpu,
1107                                                 cpu_online_mask);
1108                                 free_irq(aac->msixentry[i].vector,
1109                                          &(aac->aac_msix[i]));
1110                         }
1111                 } else {
1112                         free_irq(aac->pdev->irq,
1113                                  &(aac->aac_msix[0]));
1114                 }
1115         } else {
1116                 free_irq(aac->pdev->irq, aac);
1117         }
1118         if (aac->msi)
1119                 pci_disable_msi(aac->pdev);
1120         else if (aac->max_msix > 1)
1121                 pci_disable_msix(aac->pdev);
1122 }
1123
1124 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1125 {
1126         unsigned index = id->driver_data;
1127         struct Scsi_Host *shost;
1128         struct aac_dev *aac;
1129         struct list_head *insert = &aac_devices;
1130         int error = -ENODEV;
1131         int unique_id = 0;
1132         u64 dmamask;
1133         extern int aac_sync_mode;
1134
1135         list_for_each_entry(aac, &aac_devices, entry) {
1136                 if (aac->id > unique_id)
1137                         break;
1138                 insert = &aac->entry;
1139                 unique_id++;
1140         }
1141
1142         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1143                                PCIE_LINK_STATE_CLKPM);
1144
1145         error = pci_enable_device(pdev);
1146         if (error)
1147                 goto out;
1148         error = -ENODEV;
1149
1150         /*
1151          * If the quirk31 bit is set, the adapter needs adapter
1152          * to driver communication memory to be allocated below 2gig
1153          */
1154         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1155                 dmamask = DMA_BIT_MASK(31);
1156         else
1157                 dmamask = DMA_BIT_MASK(32);
1158
1159         if (pci_set_dma_mask(pdev, dmamask) ||
1160                         pci_set_consistent_dma_mask(pdev, dmamask))
1161                 goto out_disable_pdev;
1162
1163         pci_set_master(pdev);
1164
1165         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1166         if (!shost)
1167                 goto out_disable_pdev;
1168
1169         shost->irq = pdev->irq;
1170         shost->unique_id = unique_id;
1171         shost->max_cmd_len = 16;
1172         shost->use_cmd_list = 1;
1173
1174         aac = (struct aac_dev *)shost->hostdata;
1175         aac->base_start = pci_resource_start(pdev, 0);
1176         aac->scsi_host_ptr = shost;
1177         aac->pdev = pdev;
1178         aac->name = aac_driver_template.name;
1179         aac->id = shost->unique_id;
1180         aac->cardtype = index;
1181         INIT_LIST_HEAD(&aac->entry);
1182
1183         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1184         if (!aac->fibs)
1185                 goto out_free_host;
1186         spin_lock_init(&aac->fib_lock);
1187
1188         /*
1189          *      Map in the registers from the adapter.
1190          */
1191         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1192         if ((*aac_drivers[index].init)(aac))
1193                 goto out_unmap;
1194
1195         if (aac->sync_mode) {
1196                 if (aac_sync_mode)
1197                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1198                                 "by driver parameter. This will cause "
1199                                 "a significant performance decrease!\n",
1200                                 aac->name,
1201                                 aac->id);
1202                 else
1203                         printk(KERN_INFO "%s%d: Async. mode not supported "
1204                                 "by current driver, sync. mode enforced."
1205                                 "\nPlease update driver to get full performance.\n",
1206                                 aac->name,
1207                                 aac->id);
1208         }
1209
1210         /*
1211          *      Start any kernel threads needed
1212          */
1213         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1214         if (IS_ERR(aac->thread)) {
1215                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1216                 error = PTR_ERR(aac->thread);
1217                 aac->thread = NULL;
1218                 goto out_deinit;
1219         }
1220
1221         /*
1222          * If we had set a smaller DMA mask earlier, set it to 4gig
1223          * now since the adapter can dma data to at least a 4gig
1224          * address space.
1225          */
1226         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1227                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1228                         goto out_deinit;
1229
1230         aac->maximum_num_channels = aac_drivers[index].channels;
1231         error = aac_get_adapter_info(aac);
1232         if (error < 0)
1233                 goto out_deinit;
1234
1235         /*
1236          * Lets override negotiations and drop the maximum SG limit to 34
1237          */
1238         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1239                         (shost->sg_tablesize > 34)) {
1240                 shost->sg_tablesize = 34;
1241                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1242         }
1243
1244         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1245                         (shost->sg_tablesize > 17)) {
1246                 shost->sg_tablesize = 17;
1247                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1248         }
1249
1250         error = pci_set_dma_max_seg_size(pdev,
1251                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1252                         (shost->max_sectors << 9) : 65536);
1253         if (error)
1254                 goto out_deinit;
1255
1256         /*
1257          * Firmware printf works only with older firmware.
1258          */
1259         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1260                 aac->printf_enabled = 1;
1261         else
1262                 aac->printf_enabled = 0;
1263
1264         /*
1265          * max channel will be the physical channels plus 1 virtual channel
1266          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1267          * physical channels are address by their actual physical number+1
1268          */
1269         if (aac->nondasd_support || expose_physicals || aac->jbod)
1270                 shost->max_channel = aac->maximum_num_channels;
1271         else
1272                 shost->max_channel = 0;
1273
1274         aac_get_config_status(aac, 0);
1275         aac_get_containers(aac);
1276         list_add(&aac->entry, insert);
1277
1278         shost->max_id = aac->maximum_num_containers;
1279         if (shost->max_id < aac->maximum_num_physicals)
1280                 shost->max_id = aac->maximum_num_physicals;
1281         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1282                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1283         else
1284                 shost->this_id = shost->max_id;
1285
1286         /*
1287          * dmb - we may need to move the setting of these parms somewhere else once
1288          * we get a fib that can report the actual numbers
1289          */
1290         shost->max_lun = AAC_MAX_LUN;
1291
1292         pci_set_drvdata(pdev, shost);
1293
1294         error = scsi_add_host(shost, &pdev->dev);
1295         if (error)
1296                 goto out_deinit;
1297         scsi_scan_host(shost);
1298
1299         return 0;
1300
1301  out_deinit:
1302         __aac_shutdown(aac);
1303  out_unmap:
1304         aac_fib_map_free(aac);
1305         if (aac->comm_addr)
1306                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1307                   aac->comm_phys);
1308         kfree(aac->queues);
1309         aac_adapter_ioremap(aac, 0);
1310         kfree(aac->fibs);
1311         kfree(aac->fsa_dev);
1312  out_free_host:
1313         scsi_host_put(shost);
1314  out_disable_pdev:
1315         pci_disable_device(pdev);
1316  out:
1317         return error;
1318 }
1319
1320 static void aac_shutdown(struct pci_dev *dev)
1321 {
1322         struct Scsi_Host *shost = pci_get_drvdata(dev);
1323         scsi_block_requests(shost);
1324         __aac_shutdown((struct aac_dev *)shost->hostdata);
1325 }
1326
1327 static void aac_remove_one(struct pci_dev *pdev)
1328 {
1329         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1330         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1331
1332         scsi_remove_host(shost);
1333
1334         __aac_shutdown(aac);
1335         aac_fib_map_free(aac);
1336         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1337                         aac->comm_phys);
1338         kfree(aac->queues);
1339
1340         aac_adapter_ioremap(aac, 0);
1341
1342         kfree(aac->fibs);
1343         kfree(aac->fsa_dev);
1344
1345         list_del(&aac->entry);
1346         scsi_host_put(shost);
1347         pci_disable_device(pdev);
1348         if (list_empty(&aac_devices)) {
1349                 unregister_chrdev(aac_cfg_major, "aac");
1350                 aac_cfg_major = -1;
1351         }
1352 }
1353
1354 static struct pci_driver aac_pci_driver = {
1355         .name           = AAC_DRIVERNAME,
1356         .id_table       = aac_pci_tbl,
1357         .probe          = aac_probe_one,
1358         .remove         = aac_remove_one,
1359         .shutdown       = aac_shutdown,
1360 };
1361
1362 static int __init aac_init(void)
1363 {
1364         int error;
1365
1366         printk(KERN_INFO "Adaptec %s driver %s\n",
1367           AAC_DRIVERNAME, aac_driver_version);
1368
1369         error = pci_register_driver(&aac_pci_driver);
1370         if (error < 0)
1371                 return error;
1372
1373         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1374         if (aac_cfg_major < 0) {
1375                 printk(KERN_WARNING
1376                         "aacraid: unable to register \"aac\" device.\n");
1377         }
1378
1379         return 0;
1380 }
1381
1382 static void __exit aac_exit(void)
1383 {
1384         if (aac_cfg_major > -1)
1385                 unregister_chrdev(aac_cfg_major, "aac");
1386         pci_unregister_driver(&aac_pci_driver);
1387 }
1388
1389 module_init(aac_init);
1390 module_exit(aac_exit);