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              "1.1-7"
  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 #ifdef DECLARE_PCI_DEVICE_TABLE
  92 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
  93 #elif defined(__devinitconst)
  94 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
  95 #else
  96 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
  97 #endif
  98         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  99         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
 100         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
 101         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 102         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
 103         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 104         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 105         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 106         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 107         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 108         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 109         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 110         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 111         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 112         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 113         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 114
 115         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 116         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 117         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 118         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 119         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 120         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 121         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 122         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 123         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 124         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 125         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 126         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 127         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 128         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 129         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 130         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 131         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 132         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 133         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 134         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 135         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 136         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 137         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 138         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 139         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 140         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 141         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 142         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 143         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 144         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 145         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 146         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 147         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 148         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 149         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 150         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 151         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 152         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 153
 154         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 155         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 156         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 157         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 158         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 159
 160         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 161         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 162         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 163         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 164         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 165         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Catch All */
 166         { 0,}
 167 };
 168 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 169
 170 /*
 171  * dmb - For now we add the number of channels to this structure.
 172  * In the future we should add a fib that reports the number of channels
 173  * for the card.  At that time we can remove the channels from here
 174  */
 175 static struct aac_driver_ident aac_drivers[] = {
 176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 182         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 183         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 184         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 187         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 188         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 189         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 190         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 191         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 192
 193         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 194         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 195         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 196         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 199         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 200         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 201         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 204         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 205         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 206         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 207         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 208         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 209         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 210         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 211         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 213         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 215         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 219         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 220         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 221         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 222         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 223         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 224         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 225         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 226         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 227         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 228         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 229
 230         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 231         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 232         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 233         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 234         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 235
 236         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 237         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 238         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 239         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 240         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 241         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Catch All */
 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_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 255 {
 256         struct Scsi_Host *host = cmd->device->host;
 257         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 258         u32 count = 0;
 259         cmd->scsi_done = done;
 260         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 261                 struct fib * fib = &dev->fibs[count];
 262                 struct scsi_cmnd * command;
 263                 if (fib->hw_fib_va->header.XferState &&
 264                     ((command = fib->callback_data)) &&
 265                     (command == cmd) &&
 266                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 267                         return 0; /* Already owned by Adapter */
 268         }
 269         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 270         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 271 }
 272
 273 static DEF_SCSI_QCMD(aac_queuecommand)
 274
 275 /**
 276  *      aac_info                -       Returns the host adapter name
 277  *      @shost:         Scsi host to report on
 278  *
 279  *      Returns a static string describing the device in question
 280  */
 281
 282 static const char *aac_info(struct Scsi_Host *shost)
 283 {
 284         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 285         return aac_drivers[dev->cardtype].name;
 286 }
 287
 288 /**
 289  *      aac_get_driver_ident
 290  *      @devtype: index into lookup table
 291  *
 292  *      Returns a pointer to the entry in the driver lookup table.
 293  */
 294
 295 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 296 {
 297         return &aac_drivers[devtype];
 298 }
 299
 300 /**
 301  *      aac_biosparm    -       return BIOS parameters for disk
 302  *      @sdev: The scsi device corresponding to the disk
 303  *      @bdev: the block device corresponding to the disk
 304  *      @capacity: the sector capacity of the disk
 305  *      @geom: geometry block to fill in
 306  *
 307  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 308  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 309  *      number of cylinders so as not to exceed drive capacity.  In order for
 310  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 311  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 312  *      Translation should be enabled.   With Extended Translation enabled,
 313  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 314  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 315  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 316  *      the BIOS detects that the Extended Translation setting does not match
 317  *      the geometry in the partition table, then the translation inferred
 318  *      from the partition table will be used by the BIOS, and a warning may
 319  *      be displayed.
 320  */
 321
 322 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 323                         sector_t capacity, int *geom)
 324 {
 325         struct diskparm *param = (struct diskparm *)geom;
 326         unsigned char *buf;
 327
 328         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 329
 330         /*
 331          *      Assuming extended translation is enabled - #REVISIT#
 332          */
 333         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 334                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 335                         param->heads = 255;
 336                         param->sectors = 63;
 337                 } else {
 338                         param->heads = 128;
 339                         param->sectors = 32;
 340                 }
 341         } else {
 342                 param->heads = 64;
 343                 param->sectors = 32;
 344         }
 345
 346         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 347
 348         /*
 349          *      Read the first 1024 bytes from the disk device, if the boot
 350          *      sector partition table is valid, search for a partition table
 351          *      entry whose end_head matches one of the standard geometry
 352          *      translations ( 64/32, 128/32, 255/63 ).
 353          */
 354         buf = scsi_bios_ptable(bdev);
 355         if (!buf)
 356                 return 0;
 357         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 358                 struct partition *first = (struct partition * )buf;
 359                 struct partition *entry = first;
 360                 int saved_cylinders = param->cylinders;
 361                 int num;
 362                 unsigned char end_head, end_sec;
 363
 364                 for(num = 0; num < 4; num++) {
 365                         end_head = entry->end_head;
 366                         end_sec = entry->end_sector & 0x3f;
 367
 368                         if(end_head == 63) {
 369                                 param->heads = 64;
 370                                 param->sectors = 32;
 371                                 break;
 372                         } else if(end_head == 127) {
 373                                 param->heads = 128;
 374                                 param->sectors = 32;
 375                                 break;
 376                         } else if(end_head == 254) {
 377                                 param->heads = 255;
 378                                 param->sectors = 63;
 379                                 break;
 380                         }
 381                         entry++;
 382                 }
 383
 384                 if (num == 4) {
 385                         end_head = first->end_head;
 386                         end_sec = first->end_sector & 0x3f;
 387                 }
 388
 389                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 390                 if (num < 4 && end_sec == param->sectors) {
 391                         if (param->cylinders != saved_cylinders)
 392                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 393                                         param->heads, param->sectors, num));
 394                 } else if (end_head > 0 || end_sec > 0) {
 395                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 396                                 end_head + 1, end_sec, num));
 397                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 398                                         param->heads, param->sectors));
 399                 }
 400         }
 401         kfree(buf);
 402         return 0;
 403 }
 404
 405 /**
 406  *      aac_slave_configure             -       compute queue depths
 407  *      @sdev:  SCSI device we are considering
 408  *
 409  *      Selects queue depths for each target device based on the host adapter's
 410  *      total capacity and the queue depth supported by the target device.
 411  *      A queue depth of one automatically disables tagged queueing.
 412  */
 413
 414 static int aac_slave_configure(struct scsi_device *sdev)
 415 {
 416         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 417         if (aac->jbod && (sdev->type == TYPE_DISK))
 418                 sdev->removable = 1;
 419         if ((sdev->type == TYPE_DISK) &&
 420                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 421                         (!aac->jbod || sdev->inq_periph_qual) &&
 422                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 423                 if (expose_physicals == 0)
 424                         return -ENXIO;
 425                 if (expose_physicals < 0)
 426                         sdev->no_uld_attach = 1;
 427         }
 428         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 429                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 430                         !sdev->no_uld_attach) {
 431                 struct scsi_device * dev;
 432                 struct Scsi_Host *host = sdev->host;
 433                 unsigned num_lsu = 0;
 434                 unsigned num_one = 0;
 435                 unsigned depth;
 436                 unsigned cid;
 437
 438                 /*
 439                  * Firmware has an individual device recovery time typically
 440                  * of 35 seconds, give us a margin.
 441                  */
 442                 if (sdev->request_queue->rq_timeout < (45 * HZ))
 443                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 444                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 445                         if (aac->fsa_dev[cid].valid)
 446                                 ++num_lsu;
 447                 __shost_for_each_device(dev, host) {
 448                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 449                                         (!aac->raid_scsi_mode ||
 450                                                 (sdev_channel(sdev) != 2)) &&
 451                                         !dev->no_uld_attach) {
 452                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 453                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 454                                         ++num_lsu;
 455                         } else
 456                                 ++num_one;
 457                 }
 458                 if (num_lsu == 0)
 459                         ++num_lsu;
 460                 depth = (host->can_queue - num_one) / num_lsu;
 461                 if (depth > 256)
 462                         depth = 256;
 463                 else if (depth < 2)
 464                         depth = 2;
 465                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 466         } else
 467                 scsi_adjust_queue_depth(sdev, 0, 1);
 468
 469         return 0;
 470 }
 471
 472 /**
 473  *      aac_change_queue_depth          -       alter queue depths
 474  *      @sdev:  SCSI device we are considering
 475  *      @depth: desired queue depth
 476  *
 477  *      Alters queue depths for target device based on the host adapter's
 478  *      total capacity and the queue depth supported by the target device.
 479  */
 480
 481 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
 482                                   int reason)
 483 {
 484         if (reason != SCSI_QDEPTH_DEFAULT)
 485                 return -EOPNOTSUPP;
 486
 487         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 488             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 489                 struct scsi_device * dev;
 490                 struct Scsi_Host *host = sdev->host;
 491                 unsigned num = 0;
 492
 493                 __shost_for_each_device(dev, host) {
 494                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 495                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 496                                 ++num;
 497                         ++num;
 498                 }
 499                 if (num >= host->can_queue)
 500                         num = host->can_queue - 1;
 501                 if (depth > (host->can_queue - num))
 502                         depth = host->can_queue - num;
 503                 if (depth > 256)
 504                         depth = 256;
 505                 else if (depth < 2)
 506                         depth = 2;
 507                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 508         } else
 509                 scsi_adjust_queue_depth(sdev, 0, 1);
 510         return sdev->queue_depth;
 511 }
 512
 513 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 514 {
 515         struct scsi_device *sdev = to_scsi_device(dev);
 516         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 517         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 518                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 519                   ? "Hidden\n" :
 520                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 521         return snprintf(buf, PAGE_SIZE, "%s\n",
 522           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 523 }
 524
 525 static struct device_attribute aac_raid_level_attr = {
 526         .attr = {
 527                 .name = "level",
 528                 .mode = S_IRUGO,
 529         },
 530         .show = aac_show_raid_level
 531 };
 532
 533 static struct device_attribute *aac_dev_attrs[] = {
 534         &aac_raid_level_attr,
 535         NULL,
 536 };
 537
 538 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 539 {
 540         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 541         if (!capable(CAP_SYS_RAWIO))
 542                 return -EPERM;
 543         return aac_do_ioctl(dev, cmd, arg);
 544 }
 545
 546 static int aac_eh_abort(struct scsi_cmnd* cmd)
 547 {
 548         struct scsi_device * dev = cmd->device;
 549         struct Scsi_Host * host = dev->host;
 550         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 551         int count;
 552         int ret = FAILED;
 553
 554         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
 555                 AAC_DRIVERNAME,
 556                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 557         switch (cmd->cmnd[0]) {
 558         case SERVICE_ACTION_IN:
 559                 if (!(aac->raw_io_interface) ||
 560                     !(aac->raw_io_64) ||
 561                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 562                         break;
 563         case INQUIRY:
 564         case READ_CAPACITY:
 565                 /* Mark associated FIB to not complete, eh handler does this */
 566                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 567                         struct fib * fib = &aac->fibs[count];
 568                         if (fib->hw_fib_va->header.XferState &&
 569                           (fib->flags & FIB_CONTEXT_FLAG) &&
 570                           (fib->callback_data == cmd)) {
 571                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 572                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 573                                 ret = SUCCESS;
 574                         }
 575                 }
 576                 break;
 577         case TEST_UNIT_READY:
 578                 /* Mark associated FIB to not complete, eh handler does this */
 579                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 580                         struct scsi_cmnd * command;
 581                         struct fib * fib = &aac->fibs[count];
 582                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 583                           (fib->flags & FIB_CONTEXT_FLAG) &&
 584                           ((command = fib->callback_data)) &&
 585                           (command->device == cmd->device)) {
 586                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 587                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 588                                 if (command == cmd)
 589                                         ret = SUCCESS;
 590                         }
 591                 }
 592         }
 593         return ret;
 594 }
 595
 596 /*
 597  *      aac_eh_reset    - Reset command handling
 598  *      @scsi_cmd:      SCSI command block causing the reset
 599  *
 600  */
 601 static int aac_eh_reset(struct scsi_cmnd* cmd)
 602 {
 603         struct scsi_device * dev = cmd->device;
 604         struct Scsi_Host * host = dev->host;
 605         struct scsi_cmnd * command;
 606         int count;
 607         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 608         unsigned long flags;
 609
 610         /* Mark the associated FIB to not complete, eh handler does this */
 611         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 612                 struct fib * fib = &aac->fibs[count];
 613                 if (fib->hw_fib_va->header.XferState &&
 614                   (fib->flags & FIB_CONTEXT_FLAG) &&
 615                   (fib->callback_data == cmd)) {
 616                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 617                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 618                 }
 619         }
 620         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 621                                         AAC_DRIVERNAME);
 622
 623         if ((count = aac_check_health(aac)))
 624                 return count;
 625         /*
 626          * Wait for all commands to complete to this specific
 627          * target (block maximum 60 seconds).
 628          */
 629         for (count = 60; count; --count) {
 630                 int active = aac->in_reset;
 631
 632                 if (active == 0)
 633                 __shost_for_each_device(dev, host) {
 634                         spin_lock_irqsave(&dev->list_lock, flags);
 635                         list_for_each_entry(command, &dev->cmd_list, list) {
 636                                 if ((command != cmd) &&
 637                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 638                                         active++;
 639                                         break;
 640                                 }
 641                         }
 642                         spin_unlock_irqrestore(&dev->list_lock, flags);
 643                         if (active)
 644                                 break;
 645
 646                 }
 647                 /*
 648                  * We can exit If all the commands are complete
 649                  */
 650                 if (active == 0)
 651                         return SUCCESS;
 652                 ssleep(1);
 653         }
 654         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 655         /*
 656          * This adapter needs a blind reset, only do so for Adapters that
 657          * support a register, instead of a commanded, reset.
 658          */
 659         if (((aac->supplement_adapter_info.SupportedOptions2 &
 660           AAC_OPTION_MU_RESET) ||
 661           (aac->supplement_adapter_info.SupportedOptions2 &
 662           AAC_OPTION_DOORBELL_RESET)) &&
 663           aac_check_reset &&
 664           ((aac_check_reset != 1) ||
 665            !(aac->supplement_adapter_info.SupportedOptions2 &
 666             AAC_OPTION_IGNORE_RESET)))
 667                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 668         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 669 }
 670
 671 /**
 672  *      aac_cfg_open            -       open a configuration file
 673  *      @inode: inode being opened
 674  *      @file: file handle attached
 675  *
 676  *      Called when the configuration device is opened. Does the needed
 677  *      set up on the handle and then returns
 678  *
 679  *      Bugs: This needs extending to check a given adapter is present
 680  *      so we can support hot plugging, and to ref count adapters.
 681  */
 682
 683 static int aac_cfg_open(struct inode *inode, struct file *file)
 684 {
 685         struct aac_dev *aac;
 686         unsigned minor_number = iminor(inode);
 687         int err = -ENODEV;
 688
 689         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 690         list_for_each_entry(aac, &aac_devices, entry) {
 691                 if (aac->id == minor_number) {
 692                         file->private_data = aac;
 693                         err = 0;
 694                         break;
 695                 }
 696         }
 697         mutex_unlock(&aac_mutex);
 698
 699         return err;
 700 }
 701
 702 /**
 703  *      aac_cfg_ioctl           -       AAC configuration request
 704  *      @inode: inode of device
 705  *      @file: file handle
 706  *      @cmd: ioctl command code
 707  *      @arg: argument
 708  *
 709  *      Handles a configuration ioctl. Currently this involves wrapping it
 710  *      up and feeding it into the nasty windowsalike glue layer.
 711  *
 712  *      Bugs: Needs locking against parallel ioctls lower down
 713  *      Bugs: Needs to handle hot plugging
 714  */
 715
 716 static long aac_cfg_ioctl(struct file *file,
 717                 unsigned int cmd, unsigned long arg)
 718 {
 719         int ret;
 720         if (!capable(CAP_SYS_RAWIO))
 721                 return -EPERM;
 722         mutex_lock(&aac_mutex);
 723         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 724         mutex_unlock(&aac_mutex);
 725
 726         return ret;
 727 }
 728
 729 #ifdef CONFIG_COMPAT
 730 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 731 {
 732         long ret;
 733         mutex_lock(&aac_mutex);
 734         switch (cmd) {
 735         case FSACTL_MINIPORT_REV_CHECK:
 736         case FSACTL_SENDFIB:
 737         case FSACTL_OPEN_GET_ADAPTER_FIB:
 738         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 739         case FSACTL_SEND_RAW_SRB:
 740         case FSACTL_GET_PCI_INFO:
 741         case FSACTL_QUERY_DISK:
 742         case FSACTL_DELETE_DISK:
 743         case FSACTL_FORCE_DELETE_DISK:
 744         case FSACTL_GET_CONTAINERS:
 745         case FSACTL_SEND_LARGE_FIB:
 746                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 747                 break;
 748
 749         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 750                 struct fib_ioctl __user *f;
 751
 752                 f = compat_alloc_user_space(sizeof(*f));
 753                 ret = 0;
 754                 if (clear_user(f, sizeof(*f)))
 755                         ret = -EFAULT;
 756                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 757                         ret = -EFAULT;
 758                 if (!ret)
 759                         ret = aac_do_ioctl(dev, cmd, f);
 760                 break;
 761         }
 762
 763         default:
 764                 ret = -ENOIOCTLCMD;
 765                 break;
 766         }
 767         mutex_unlock(&aac_mutex);
 768         return ret;
 769 }
 770
 771 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 772 {
 773         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 774         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 775 }
 776
 777 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 778 {
 779         if (!capable(CAP_SYS_RAWIO))
 780                 return -EPERM;
 781         return aac_compat_do_ioctl(file->private_data, cmd, arg);
 782 }
 783 #endif
 784
 785 static ssize_t aac_show_model(struct device *device,
 786                               struct device_attribute *attr, char *buf)
 787 {
 788         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 789         int len;
 790
 791         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 792                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 793                 while (*cp && *cp != ' ')
 794                         ++cp;
 795                 while (*cp == ' ')
 796                         ++cp;
 797                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 798         } else
 799                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 800                   aac_drivers[dev->cardtype].model);
 801         return len;
 802 }
 803
 804 static ssize_t aac_show_vendor(struct device *device,
 805                                struct device_attribute *attr, char *buf)
 806 {
 807         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 808         int len;
 809
 810         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 811                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 812                 while (*cp && *cp != ' ')
 813                         ++cp;
 814                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 815                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 816                   dev->supplement_adapter_info.AdapterTypeText);
 817         } else
 818                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 819                   aac_drivers[dev->cardtype].vname);
 820         return len;
 821 }
 822
 823 static ssize_t aac_show_flags(struct device *cdev,
 824                               struct device_attribute *attr, char *buf)
 825 {
 826         int len = 0;
 827         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 828
 829         if (nblank(dprintk(x)))
 830                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 831 #ifdef AAC_DETAILED_STATUS_INFO
 832         len += snprintf(buf + len, PAGE_SIZE - len,
 833                         "AAC_DETAILED_STATUS_INFO\n");
 834 #endif
 835         if (dev->raw_io_interface && dev->raw_io_64)
 836                 len += snprintf(buf + len, PAGE_SIZE - len,
 837                                 "SAI_READ_CAPACITY_16\n");
 838         if (dev->jbod)
 839                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 840         if (dev->supplement_adapter_info.SupportedOptions2 &
 841                 AAC_OPTION_POWER_MANAGEMENT)
 842                 len += snprintf(buf + len, PAGE_SIZE - len,
 843                                 "SUPPORTED_POWER_MANAGEMENT\n");
 844         if (dev->msi)
 845                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 846         return len;
 847 }
 848
 849 static ssize_t aac_show_kernel_version(struct device *device,
 850                                        struct device_attribute *attr,
 851                                        char *buf)
 852 {
 853         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 854         int len, tmp;
 855
 856         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 857         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 858           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 859           le32_to_cpu(dev->adapter_info.kernelbuild));
 860         return len;
 861 }
 862
 863 static ssize_t aac_show_monitor_version(struct device *device,
 864                                         struct device_attribute *attr,
 865                                         char *buf)
 866 {
 867         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 868         int len, tmp;
 869
 870         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 871         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 872           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 873           le32_to_cpu(dev->adapter_info.monitorbuild));
 874         return len;
 875 }
 876
 877 static ssize_t aac_show_bios_version(struct device *device,
 878                                      struct device_attribute *attr,
 879                                      char *buf)
 880 {
 881         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 882         int len, tmp;
 883
 884         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 885         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 886           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 887           le32_to_cpu(dev->adapter_info.biosbuild));
 888         return len;
 889 }
 890
 891 static ssize_t aac_show_serial_number(struct device *device,
 892                                struct device_attribute *attr, char *buf)
 893 {
 894         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 895         int len = 0;
 896
 897         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 898                 len = snprintf(buf, 16, "%06X\n",
 899                   le32_to_cpu(dev->adapter_info.serial[0]));
 900         if (len &&
 901           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 902             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 903           buf, len-1))
 904                 len = snprintf(buf, 16, "%.*s\n",
 905                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 906                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 907
 908         return min(len, 16);
 909 }
 910
 911 static ssize_t aac_show_max_channel(struct device *device,
 912                                     struct device_attribute *attr, char *buf)
 913 {
 914         return snprintf(buf, PAGE_SIZE, "%d\n",
 915           class_to_shost(device)->max_channel);
 916 }
 917
 918 static ssize_t aac_show_max_id(struct device *device,
 919                                struct device_attribute *attr, char *buf)
 920 {
 921         return snprintf(buf, PAGE_SIZE, "%d\n",
 922           class_to_shost(device)->max_id);
 923 }
 924
 925 static ssize_t aac_store_reset_adapter(struct device *device,
 926                                        struct device_attribute *attr,
 927                                        const char *buf, size_t count)
 928 {
 929         int retval = -EACCES;
 930
 931         if (!capable(CAP_SYS_ADMIN))
 932                 return retval;
 933         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 934         if (retval >= 0)
 935                 retval = count;
 936         return retval;
 937 }
 938
 939 static ssize_t aac_show_reset_adapter(struct device *device,
 940                                       struct device_attribute *attr,
 941                                       char *buf)
 942 {
 943         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 944         int len, tmp;
 945
 946         tmp = aac_adapter_check_health(dev);
 947         if ((tmp == 0) && dev->in_reset)
 948                 tmp = -EBUSY;
 949         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 950         return len;
 951 }
 952
 953 static struct device_attribute aac_model = {
 954         .attr = {
 955                 .name = "model",
 956                 .mode = S_IRUGO,
 957         },
 958         .show = aac_show_model,
 959 };
 960 static struct device_attribute aac_vendor = {
 961         .attr = {
 962                 .name = "vendor",
 963                 .mode = S_IRUGO,
 964         },
 965         .show = aac_show_vendor,
 966 };
 967 static struct device_attribute aac_flags = {
 968         .attr = {
 969                 .name = "flags",
 970                 .mode = S_IRUGO,
 971         },
 972         .show = aac_show_flags,
 973 };
 974 static struct device_attribute aac_kernel_version = {
 975         .attr = {
 976                 .name = "hba_kernel_version",
 977                 .mode = S_IRUGO,
 978         },
 979         .show = aac_show_kernel_version,
 980 };
 981 static struct device_attribute aac_monitor_version = {
 982         .attr = {
 983                 .name = "hba_monitor_version",
 984                 .mode = S_IRUGO,
 985         },
 986         .show = aac_show_monitor_version,
 987 };
 988 static struct device_attribute aac_bios_version = {
 989         .attr = {
 990                 .name = "hba_bios_version",
 991                 .mode = S_IRUGO,
 992         },
 993         .show = aac_show_bios_version,
 994 };
 995 static struct device_attribute aac_serial_number = {
 996         .attr = {
 997                 .name = "serial_number",
 998                 .mode = S_IRUGO,
 999         },
1000         .show = aac_show_serial_number,
1001 };
1002 static struct device_attribute aac_max_channel = {
1003         .attr = {
1004                 .name = "max_channel",
1005                 .mode = S_IRUGO,
1006         },
1007         .show = aac_show_max_channel,
1008 };
1009 static struct device_attribute aac_max_id = {
1010         .attr = {
1011                 .name = "max_id",
1012                 .mode = S_IRUGO,
1013         },
1014         .show = aac_show_max_id,
1015 };
1016 static struct device_attribute aac_reset = {
1017         .attr = {
1018                 .name = "reset_host",
1019                 .mode = S_IWUSR|S_IRUGO,
1020         },
1021         .store = aac_store_reset_adapter,
1022         .show = aac_show_reset_adapter,
1023 };
1024
1025 static struct device_attribute *aac_attrs[] = {
1026         &aac_model,
1027         &aac_vendor,
1028         &aac_flags,
1029         &aac_kernel_version,
1030         &aac_monitor_version,
1031         &aac_bios_version,
1032         &aac_serial_number,
1033         &aac_max_channel,
1034         &aac_max_id,
1035         &aac_reset,
1036         NULL
1037 };
1038
1039 ssize_t aac_get_serial_number(struct device *device, char *buf)
1040 {
1041         return aac_show_serial_number(device, &aac_serial_number, buf);
1042 }
1043
1044 static const struct file_operations aac_cfg_fops = {
1045         .owner          = THIS_MODULE,
1046         .unlocked_ioctl = aac_cfg_ioctl,
1047 #ifdef CONFIG_COMPAT
1048         .compat_ioctl   = aac_compat_cfg_ioctl,
1049 #endif
1050         .open           = aac_cfg_open,
1051         .llseek         = noop_llseek,
1052 };
1053
1054 static struct scsi_host_template aac_driver_template = {
1055         .module                         = THIS_MODULE,
1056         .name                           = "AAC",
1057         .proc_name                      = AAC_DRIVERNAME,
1058         .info                           = aac_info,
1059         .ioctl                          = aac_ioctl,
1060 #ifdef CONFIG_COMPAT
1061         .compat_ioctl                   = aac_compat_ioctl,
1062 #endif
1063         .queuecommand                   = aac_queuecommand,
1064         .bios_param                     = aac_biosparm,
1065         .shost_attrs                    = aac_attrs,
1066         .slave_configure                = aac_slave_configure,
1067         .change_queue_depth             = aac_change_queue_depth,
1068         .sdev_attrs                     = aac_dev_attrs,
1069         .eh_abort_handler               = aac_eh_abort,
1070         .eh_host_reset_handler          = aac_eh_reset,
1071         .can_queue                      = AAC_NUM_IO_FIB,
1072         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1073         .sg_tablesize                   = 16,
1074         .max_sectors                    = 128,
1075 #if (AAC_NUM_IO_FIB > 256)
1076         .cmd_per_lun                    = 256,
1077 #else
1078         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1079 #endif
1080         .use_clustering                 = ENABLE_CLUSTERING,
1081         .emulated                       = 1,
1082 };
1083
1084 static void __aac_shutdown(struct aac_dev * aac)
1085 {
1086         if (aac->aif_thread)
1087                 kthread_stop(aac->thread);
1088         aac_send_shutdown(aac);
1089         aac_adapter_disable_int(aac);
1090         free_irq(aac->pdev->irq, aac);
1091         if (aac->msi)
1092                 pci_disable_msi(aac->pdev);
1093 }
1094
1095 static int __devinit aac_probe_one(struct pci_dev *pdev,
1096                 const struct pci_device_id *id)
1097 {
1098         unsigned index = id->driver_data;
1099         struct Scsi_Host *shost;
1100         struct aac_dev *aac;
1101         struct list_head *insert = &aac_devices;
1102         int error = -ENODEV;
1103         int unique_id = 0;
1104         u64 dmamask;
1105
1106         list_for_each_entry(aac, &aac_devices, entry) {
1107                 if (aac->id > unique_id)
1108                         break;
1109                 insert = &aac->entry;
1110                 unique_id++;
1111         }
1112
1113         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1114                                PCIE_LINK_STATE_CLKPM);
1115
1116         error = pci_enable_device(pdev);
1117         if (error)
1118                 goto out;
1119         error = -ENODEV;
1120
1121         /*
1122          * If the quirk31 bit is set, the adapter needs adapter
1123          * to driver communication memory to be allocated below 2gig
1124          */
1125         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1126                 dmamask = DMA_BIT_MASK(31);
1127         else
1128                 dmamask = DMA_BIT_MASK(32);
1129
1130         if (pci_set_dma_mask(pdev, dmamask) ||
1131                         pci_set_consistent_dma_mask(pdev, dmamask))
1132                 goto out_disable_pdev;
1133
1134         pci_set_master(pdev);
1135
1136         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1137         if (!shost)
1138                 goto out_disable_pdev;
1139
1140         shost->irq = pdev->irq;
1141         shost->base = pci_resource_start(pdev, 0);
1142         shost->unique_id = unique_id;
1143         shost->max_cmd_len = 16;
1144
1145         aac = (struct aac_dev *)shost->hostdata;
1146         aac->scsi_host_ptr = shost;
1147         aac->pdev = pdev;
1148         aac->name = aac_driver_template.name;
1149         aac->id = shost->unique_id;
1150         aac->cardtype = index;
1151         INIT_LIST_HEAD(&aac->entry);
1152
1153         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1154         if (!aac->fibs)
1155                 goto out_free_host;
1156         spin_lock_init(&aac->fib_lock);
1157
1158         /*
1159          *      Map in the registers from the adapter.
1160          */
1161         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1162         if ((*aac_drivers[index].init)(aac))
1163                 goto out_unmap;
1164
1165         /*
1166          *      Start any kernel threads needed
1167          */
1168         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1169         if (IS_ERR(aac->thread)) {
1170                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1171                 error = PTR_ERR(aac->thread);
1172                 goto out_deinit;
1173         }
1174
1175         /*
1176          * If we had set a smaller DMA mask earlier, set it to 4gig
1177          * now since the adapter can dma data to at least a 4gig
1178          * address space.
1179          */
1180         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1181                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1182                         goto out_deinit;
1183
1184         aac->maximum_num_channels = aac_drivers[index].channels;
1185         error = aac_get_adapter_info(aac);
1186         if (error < 0)
1187                 goto out_deinit;
1188
1189         /*
1190          * Lets override negotiations and drop the maximum SG limit to 34
1191          */
1192         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1193                         (shost->sg_tablesize > 34)) {
1194                 shost->sg_tablesize = 34;
1195                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1196         }
1197
1198         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1199                         (shost->sg_tablesize > 17)) {
1200                 shost->sg_tablesize = 17;
1201                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1202         }
1203
1204         error = pci_set_dma_max_seg_size(pdev,
1205                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1206                         (shost->max_sectors << 9) : 65536);
1207         if (error)
1208                 goto out_deinit;
1209
1210         /*
1211          * Firmware printf works only with older firmware.
1212          */
1213         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1214                 aac->printf_enabled = 1;
1215         else
1216                 aac->printf_enabled = 0;
1217
1218         /*
1219          * max channel will be the physical channels plus 1 virtual channel
1220          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1221          * physical channels are address by their actual physical number+1
1222          */
1223         if (aac->nondasd_support || expose_physicals || aac->jbod)
1224                 shost->max_channel = aac->maximum_num_channels;
1225         else
1226                 shost->max_channel = 0;
1227
1228         aac_get_config_status(aac, 0);
1229         aac_get_containers(aac);
1230         list_add(&aac->entry, insert);
1231
1232         shost->max_id = aac->maximum_num_containers;
1233         if (shost->max_id < aac->maximum_num_physicals)
1234                 shost->max_id = aac->maximum_num_physicals;
1235         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1236                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1237         else
1238                 shost->this_id = shost->max_id;
1239
1240         /*
1241          * dmb - we may need to move the setting of these parms somewhere else once
1242          * we get a fib that can report the actual numbers
1243          */
1244         shost->max_lun = AAC_MAX_LUN;
1245
1246         pci_set_drvdata(pdev, shost);
1247
1248         error = scsi_add_host(shost, &pdev->dev);
1249         if (error)
1250                 goto out_deinit;
1251         scsi_scan_host(shost);
1252
1253         return 0;
1254
1255  out_deinit:
1256         __aac_shutdown(aac);
1257  out_unmap:
1258         aac_fib_map_free(aac);
1259         if (aac->comm_addr)
1260                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1261                   aac->comm_phys);
1262         kfree(aac->queues);
1263         aac_adapter_ioremap(aac, 0);
1264         kfree(aac->fibs);
1265         kfree(aac->fsa_dev);
1266  out_free_host:
1267         scsi_host_put(shost);
1268  out_disable_pdev:
1269         pci_disable_device(pdev);
1270  out:
1271         return error;
1272 }
1273
1274 static void aac_shutdown(struct pci_dev *dev)
1275 {
1276         struct Scsi_Host *shost = pci_get_drvdata(dev);
1277         scsi_block_requests(shost);
1278         __aac_shutdown((struct aac_dev *)shost->hostdata);
1279 }
1280
1281 static void __devexit aac_remove_one(struct pci_dev *pdev)
1282 {
1283         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1284         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1285
1286         scsi_remove_host(shost);
1287
1288         __aac_shutdown(aac);
1289         aac_fib_map_free(aac);
1290         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1291                         aac->comm_phys);
1292         kfree(aac->queues);
1293
1294         aac_adapter_ioremap(aac, 0);
1295
1296         kfree(aac->fibs);
1297         kfree(aac->fsa_dev);
1298
1299         list_del(&aac->entry);
1300         scsi_host_put(shost);
1301         pci_disable_device(pdev);
1302         if (list_empty(&aac_devices)) {
1303                 unregister_chrdev(aac_cfg_major, "aac");
1304                 aac_cfg_major = -1;
1305         }
1306 }
1307
1308 static struct pci_driver aac_pci_driver = {
1309         .name           = AAC_DRIVERNAME,
1310         .id_table       = aac_pci_tbl,
1311         .probe          = aac_probe_one,
1312         .remove         = __devexit_p(aac_remove_one),
1313         .shutdown       = aac_shutdown,
1314 };
1315
1316 static int __init aac_init(void)
1317 {
1318         int error;
1319
1320         printk(KERN_INFO "Adaptec %s driver %s\n",
1321           AAC_DRIVERNAME, aac_driver_version);
1322
1323         error = pci_register_driver(&aac_pci_driver);
1324         if (error < 0)
1325                 return error;
1326
1327         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1328         if (aac_cfg_major < 0) {
1329                 printk(KERN_WARNING
1330                         "aacraid: unable to register \"aac\" device.\n");
1331         }
1332
1333         return 0;
1334 }
1335
1336 static void __exit aac_exit(void)
1337 {
1338         if (aac_cfg_major > -1)
1339                 unregister_chrdev(aac_cfg_major, "aac");
1340         pci_unregister_driver(&aac_pci_driver);
1341 }
1342
1343 module_init(aac_init);
1344 module_exit(aac_exit);