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              "1.2-0"
  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 Series 6 (Tupelo) */
 166         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 167         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 168         { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
 169         { 0,}
 170 };
 171 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 172
 173 /*
 174  * dmb - For now we add the number of channels to this structure.
 175  * In the future we should add a fib that reports the number of channels
 176  * for the card.  At that time we can remove the channels from here
 177  */
 178 static struct aac_driver_ident aac_drivers[] = {
 179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 182         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 183         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 184         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 185         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 186         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 187         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 188         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 189         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 190         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 192         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 193         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 194         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 195
 196         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 197         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 198         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 199         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 200         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 201         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 202         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 203         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 204         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 205         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 206         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 207         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 208         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 209         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 210         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 211         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 212         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 213         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 214         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 218         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 219         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 220         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 221         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 222         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 225         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 226         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 227         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 228         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 229         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 230         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 231         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 232
 233         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 234         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 235         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 236         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 237         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 238
 239         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 240         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 241         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 242         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 243         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 244         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
 245         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 7 (Denali) */
 246         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 8 */
 247         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Series 9 */
 248 };
 249
 250 /**
 251  *      aac_queuecommand        -       queue a SCSI command
 252  *      @cmd:           SCSI command to queue
 253  *      @done:          Function to call on command completion
 254  *
 255  *      Queues a command for execution by the associated Host Adapter.
 256  *
 257  *      TODO: unify with aac_scsi_cmd().
 258  */
 259
 260 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 261 {
 262         struct Scsi_Host *host = cmd->device->host;
 263         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 264         u32 count = 0;
 265         cmd->scsi_done = done;
 266         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 267                 struct fib * fib = &dev->fibs[count];
 268                 struct scsi_cmnd * command;
 269                 if (fib->hw_fib_va->header.XferState &&
 270                     ((command = fib->callback_data)) &&
 271                     (command == cmd) &&
 272                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 273                         return 0; /* Already owned by Adapter */
 274         }
 275         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 276         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 277 }
 278
 279 static DEF_SCSI_QCMD(aac_queuecommand)
 280
 281 /**
 282  *      aac_info                -       Returns the host adapter name
 283  *      @shost:         Scsi host to report on
 284  *
 285  *      Returns a static string describing the device in question
 286  */
 287
 288 static const char *aac_info(struct Scsi_Host *shost)
 289 {
 290         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 291         return aac_drivers[dev->cardtype].name;
 292 }
 293
 294 /**
 295  *      aac_get_driver_ident
 296  *      @devtype: index into lookup table
 297  *
 298  *      Returns a pointer to the entry in the driver lookup table.
 299  */
 300
 301 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 302 {
 303         return &aac_drivers[devtype];
 304 }
 305
 306 /**
 307  *      aac_biosparm    -       return BIOS parameters for disk
 308  *      @sdev: The scsi device corresponding to the disk
 309  *      @bdev: the block device corresponding to the disk
 310  *      @capacity: the sector capacity of the disk
 311  *      @geom: geometry block to fill in
 312  *
 313  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 314  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 315  *      number of cylinders so as not to exceed drive capacity.  In order for
 316  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 317  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 318  *      Translation should be enabled.   With Extended Translation enabled,
 319  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 320  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 321  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 322  *      the BIOS detects that the Extended Translation setting does not match
 323  *      the geometry in the partition table, then the translation inferred
 324  *      from the partition table will be used by the BIOS, and a warning may
 325  *      be displayed.
 326  */
 327
 328 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 329                         sector_t capacity, int *geom)
 330 {
 331         struct diskparm *param = (struct diskparm *)geom;
 332         unsigned char *buf;
 333
 334         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 335
 336         /*
 337          *      Assuming extended translation is enabled - #REVISIT#
 338          */
 339         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 340                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 341                         param->heads = 255;
 342                         param->sectors = 63;
 343                 } else {
 344                         param->heads = 128;
 345                         param->sectors = 32;
 346                 }
 347         } else {
 348                 param->heads = 64;
 349                 param->sectors = 32;
 350         }
 351
 352         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 353
 354         /*
 355          *      Read the first 1024 bytes from the disk device, if the boot
 356          *      sector partition table is valid, search for a partition table
 357          *      entry whose end_head matches one of the standard geometry
 358          *      translations ( 64/32, 128/32, 255/63 ).
 359          */
 360         buf = scsi_bios_ptable(bdev);
 361         if (!buf)
 362                 return 0;
 363         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 364                 struct partition *first = (struct partition * )buf;
 365                 struct partition *entry = first;
 366                 int saved_cylinders = param->cylinders;
 367                 int num;
 368                 unsigned char end_head, end_sec;
 369
 370                 for(num = 0; num < 4; num++) {
 371                         end_head = entry->end_head;
 372                         end_sec = entry->end_sector & 0x3f;
 373
 374                         if(end_head == 63) {
 375                                 param->heads = 64;
 376                                 param->sectors = 32;
 377                                 break;
 378                         } else if(end_head == 127) {
 379                                 param->heads = 128;
 380                                 param->sectors = 32;
 381                                 break;
 382                         } else if(end_head == 254) {
 383                                 param->heads = 255;
 384                                 param->sectors = 63;
 385                                 break;
 386                         }
 387                         entry++;
 388                 }
 389
 390                 if (num == 4) {
 391                         end_head = first->end_head;
 392                         end_sec = first->end_sector & 0x3f;
 393                 }
 394
 395                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 396                 if (num < 4 && end_sec == param->sectors) {
 397                         if (param->cylinders != saved_cylinders)
 398                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 399                                         param->heads, param->sectors, num));
 400                 } else if (end_head > 0 || end_sec > 0) {
 401                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 402                                 end_head + 1, end_sec, num));
 403                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 404                                         param->heads, param->sectors));
 405                 }
 406         }
 407         kfree(buf);
 408         return 0;
 409 }
 410
 411 /**
 412  *      aac_slave_configure             -       compute queue depths
 413  *      @sdev:  SCSI device we are considering
 414  *
 415  *      Selects queue depths for each target device based on the host adapter's
 416  *      total capacity and the queue depth supported by the target device.
 417  *      A queue depth of one automatically disables tagged queueing.
 418  */
 419
 420 static int aac_slave_configure(struct scsi_device *sdev)
 421 {
 422         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 423         if (aac->jbod && (sdev->type == TYPE_DISK))
 424                 sdev->removable = 1;
 425         if ((sdev->type == TYPE_DISK) &&
 426                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 427                         (!aac->jbod || sdev->inq_periph_qual) &&
 428                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 429                 if (expose_physicals == 0)
 430                         return -ENXIO;
 431                 if (expose_physicals < 0)
 432                         sdev->no_uld_attach = 1;
 433         }
 434         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 435                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 436                         !sdev->no_uld_attach) {
 437                 struct scsi_device * dev;
 438                 struct Scsi_Host *host = sdev->host;
 439                 unsigned num_lsu = 0;
 440                 unsigned num_one = 0;
 441                 unsigned depth;
 442                 unsigned cid;
 443
 444                 /*
 445                  * Firmware has an individual device recovery time typically
 446                  * of 35 seconds, give us a margin.
 447                  */
 448                 if (sdev->request_queue->rq_timeout < (45 * HZ))
 449                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 450                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 451                         if (aac->fsa_dev[cid].valid)
 452                                 ++num_lsu;
 453                 __shost_for_each_device(dev, host) {
 454                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 455                                         (!aac->raid_scsi_mode ||
 456                                                 (sdev_channel(sdev) != 2)) &&
 457                                         !dev->no_uld_attach) {
 458                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 459                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 460                                         ++num_lsu;
 461                         } else
 462                                 ++num_one;
 463                 }
 464                 if (num_lsu == 0)
 465                         ++num_lsu;
 466                 depth = (host->can_queue - num_one) / num_lsu;
 467                 if (depth > 256)
 468                         depth = 256;
 469                 else if (depth < 2)
 470                         depth = 2;
 471                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 472         } else
 473                 scsi_adjust_queue_depth(sdev, 0, 1);
 474
 475         return 0;
 476 }
 477
 478 /**
 479  *      aac_change_queue_depth          -       alter queue depths
 480  *      @sdev:  SCSI device we are considering
 481  *      @depth: desired queue depth
 482  *
 483  *      Alters queue depths for target device based on the host adapter's
 484  *      total capacity and the queue depth supported by the target device.
 485  */
 486
 487 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
 488                                   int reason)
 489 {
 490         if (reason != SCSI_QDEPTH_DEFAULT)
 491                 return -EOPNOTSUPP;
 492
 493         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 494             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 495                 struct scsi_device * dev;
 496                 struct Scsi_Host *host = sdev->host;
 497                 unsigned num = 0;
 498
 499                 __shost_for_each_device(dev, host) {
 500                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 501                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 502                                 ++num;
 503                         ++num;
 504                 }
 505                 if (num >= host->can_queue)
 506                         num = host->can_queue - 1;
 507                 if (depth > (host->can_queue - num))
 508                         depth = host->can_queue - num;
 509                 if (depth > 256)
 510                         depth = 256;
 511                 else if (depth < 2)
 512                         depth = 2;
 513                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 514         } else
 515                 scsi_adjust_queue_depth(sdev, 0, 1);
 516         return sdev->queue_depth;
 517 }
 518
 519 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 520 {
 521         struct scsi_device *sdev = to_scsi_device(dev);
 522         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 523         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 524                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 525                   ? "Hidden\n" :
 526                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 527         return snprintf(buf, PAGE_SIZE, "%s\n",
 528           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 529 }
 530
 531 static struct device_attribute aac_raid_level_attr = {
 532         .attr = {
 533                 .name = "level",
 534                 .mode = S_IRUGO,
 535         },
 536         .show = aac_show_raid_level
 537 };
 538
 539 static struct device_attribute *aac_dev_attrs[] = {
 540         &aac_raid_level_attr,
 541         NULL,
 542 };
 543
 544 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 545 {
 546         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 547         if (!capable(CAP_SYS_RAWIO))
 548                 return -EPERM;
 549         return aac_do_ioctl(dev, cmd, arg);
 550 }
 551
 552 static int aac_eh_abort(struct scsi_cmnd* cmd)
 553 {
 554         struct scsi_device * dev = cmd->device;
 555         struct Scsi_Host * host = dev->host;
 556         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 557         int count;
 558         int ret = FAILED;
 559
 560         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
 561                 AAC_DRIVERNAME,
 562                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 563         switch (cmd->cmnd[0]) {
 564         case SERVICE_ACTION_IN:
 565                 if (!(aac->raw_io_interface) ||
 566                     !(aac->raw_io_64) ||
 567                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 568                         break;
 569         case INQUIRY:
 570         case READ_CAPACITY:
 571                 /* Mark associated FIB to not complete, eh handler does this */
 572                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 573                         struct fib * fib = &aac->fibs[count];
 574                         if (fib->hw_fib_va->header.XferState &&
 575                           (fib->flags & FIB_CONTEXT_FLAG) &&
 576                           (fib->callback_data == cmd)) {
 577                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 578                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 579                                 ret = SUCCESS;
 580                         }
 581                 }
 582                 break;
 583         case TEST_UNIT_READY:
 584                 /* Mark associated FIB to not complete, eh handler does this */
 585                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 586                         struct scsi_cmnd * command;
 587                         struct fib * fib = &aac->fibs[count];
 588                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 589                           (fib->flags & FIB_CONTEXT_FLAG) &&
 590                           ((command = fib->callback_data)) &&
 591                           (command->device == cmd->device)) {
 592                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 593                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 594                                 if (command == cmd)
 595                                         ret = SUCCESS;
 596                         }
 597                 }
 598         }
 599         return ret;
 600 }
 601
 602 /*
 603  *      aac_eh_reset    - Reset command handling
 604  *      @scsi_cmd:      SCSI command block causing the reset
 605  *
 606  */
 607 static int aac_eh_reset(struct scsi_cmnd* cmd)
 608 {
 609         struct scsi_device * dev = cmd->device;
 610         struct Scsi_Host * host = dev->host;
 611         struct scsi_cmnd * command;
 612         int count;
 613         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 614         unsigned long flags;
 615
 616         /* Mark the associated FIB to not complete, eh handler does this */
 617         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 618                 struct fib * fib = &aac->fibs[count];
 619                 if (fib->hw_fib_va->header.XferState &&
 620                   (fib->flags & FIB_CONTEXT_FLAG) &&
 621                   (fib->callback_data == cmd)) {
 622                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 623                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 624                 }
 625         }
 626         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 627                                         AAC_DRIVERNAME);
 628
 629         if ((count = aac_check_health(aac)))
 630                 return count;
 631         /*
 632          * Wait for all commands to complete to this specific
 633          * target (block maximum 60 seconds).
 634          */
 635         for (count = 60; count; --count) {
 636                 int active = aac->in_reset;
 637
 638                 if (active == 0)
 639                 __shost_for_each_device(dev, host) {
 640                         spin_lock_irqsave(&dev->list_lock, flags);
 641                         list_for_each_entry(command, &dev->cmd_list, list) {
 642                                 if ((command != cmd) &&
 643                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 644                                         active++;
 645                                         break;
 646                                 }
 647                         }
 648                         spin_unlock_irqrestore(&dev->list_lock, flags);
 649                         if (active)
 650                                 break;
 651
 652                 }
 653                 /*
 654                  * We can exit If all the commands are complete
 655                  */
 656                 if (active == 0)
 657                         return SUCCESS;
 658                 ssleep(1);
 659         }
 660         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 661         /*
 662          * This adapter needs a blind reset, only do so for Adapters that
 663          * support a register, instead of a commanded, reset.
 664          */
 665         if (((aac->supplement_adapter_info.SupportedOptions2 &
 666           AAC_OPTION_MU_RESET) ||
 667           (aac->supplement_adapter_info.SupportedOptions2 &
 668           AAC_OPTION_DOORBELL_RESET)) &&
 669           aac_check_reset &&
 670           ((aac_check_reset != 1) ||
 671            !(aac->supplement_adapter_info.SupportedOptions2 &
 672             AAC_OPTION_IGNORE_RESET)))
 673                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 674         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 675 }
 676
 677 /**
 678  *      aac_cfg_open            -       open a configuration file
 679  *      @inode: inode being opened
 680  *      @file: file handle attached
 681  *
 682  *      Called when the configuration device is opened. Does the needed
 683  *      set up on the handle and then returns
 684  *
 685  *      Bugs: This needs extending to check a given adapter is present
 686  *      so we can support hot plugging, and to ref count adapters.
 687  */
 688
 689 static int aac_cfg_open(struct inode *inode, struct file *file)
 690 {
 691         struct aac_dev *aac;
 692         unsigned minor_number = iminor(inode);
 693         int err = -ENODEV;
 694
 695         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 696         list_for_each_entry(aac, &aac_devices, entry) {
 697                 if (aac->id == minor_number) {
 698                         file->private_data = aac;
 699                         err = 0;
 700                         break;
 701                 }
 702         }
 703         mutex_unlock(&aac_mutex);
 704
 705         return err;
 706 }
 707
 708 /**
 709  *      aac_cfg_ioctl           -       AAC configuration request
 710  *      @inode: inode of device
 711  *      @file: file handle
 712  *      @cmd: ioctl command code
 713  *      @arg: argument
 714  *
 715  *      Handles a configuration ioctl. Currently this involves wrapping it
 716  *      up and feeding it into the nasty windowsalike glue layer.
 717  *
 718  *      Bugs: Needs locking against parallel ioctls lower down
 719  *      Bugs: Needs to handle hot plugging
 720  */
 721
 722 static long aac_cfg_ioctl(struct file *file,
 723                 unsigned int cmd, unsigned long arg)
 724 {
 725         int ret;
 726         if (!capable(CAP_SYS_RAWIO))
 727                 return -EPERM;
 728         mutex_lock(&aac_mutex);
 729         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 730         mutex_unlock(&aac_mutex);
 731
 732         return ret;
 733 }
 734
 735 #ifdef CONFIG_COMPAT
 736 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 737 {
 738         long ret;
 739         mutex_lock(&aac_mutex);
 740         switch (cmd) {
 741         case FSACTL_MINIPORT_REV_CHECK:
 742         case FSACTL_SENDFIB:
 743         case FSACTL_OPEN_GET_ADAPTER_FIB:
 744         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 745         case FSACTL_SEND_RAW_SRB:
 746         case FSACTL_GET_PCI_INFO:
 747         case FSACTL_QUERY_DISK:
 748         case FSACTL_DELETE_DISK:
 749         case FSACTL_FORCE_DELETE_DISK:
 750         case FSACTL_GET_CONTAINERS:
 751         case FSACTL_SEND_LARGE_FIB:
 752                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 753                 break;
 754
 755         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 756                 struct fib_ioctl __user *f;
 757
 758                 f = compat_alloc_user_space(sizeof(*f));
 759                 ret = 0;
 760                 if (clear_user(f, sizeof(*f)))
 761                         ret = -EFAULT;
 762                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 763                         ret = -EFAULT;
 764                 if (!ret)
 765                         ret = aac_do_ioctl(dev, cmd, f);
 766                 break;
 767         }
 768
 769         default:
 770                 ret = -ENOIOCTLCMD;
 771                 break;
 772         }
 773         mutex_unlock(&aac_mutex);
 774         return ret;
 775 }
 776
 777 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 778 {
 779         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 780         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 781 }
 782
 783 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 784 {
 785         if (!capable(CAP_SYS_RAWIO))
 786                 return -EPERM;
 787         return aac_compat_do_ioctl(file->private_data, cmd, arg);
 788 }
 789 #endif
 790
 791 static ssize_t aac_show_model(struct device *device,
 792                               struct device_attribute *attr, char *buf)
 793 {
 794         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 795         int len;
 796
 797         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 798                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 799                 while (*cp && *cp != ' ')
 800                         ++cp;
 801                 while (*cp == ' ')
 802                         ++cp;
 803                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 804         } else
 805                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 806                   aac_drivers[dev->cardtype].model);
 807         return len;
 808 }
 809
 810 static ssize_t aac_show_vendor(struct device *device,
 811                                struct device_attribute *attr, char *buf)
 812 {
 813         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 814         int len;
 815
 816         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 817                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 818                 while (*cp && *cp != ' ')
 819                         ++cp;
 820                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 821                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 822                   dev->supplement_adapter_info.AdapterTypeText);
 823         } else
 824                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 825                   aac_drivers[dev->cardtype].vname);
 826         return len;
 827 }
 828
 829 static ssize_t aac_show_flags(struct device *cdev,
 830                               struct device_attribute *attr, char *buf)
 831 {
 832         int len = 0;
 833         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 834
 835         if (nblank(dprintk(x)))
 836                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 837 #ifdef AAC_DETAILED_STATUS_INFO
 838         len += snprintf(buf + len, PAGE_SIZE - len,
 839                         "AAC_DETAILED_STATUS_INFO\n");
 840 #endif
 841         if (dev->raw_io_interface && dev->raw_io_64)
 842                 len += snprintf(buf + len, PAGE_SIZE - len,
 843                                 "SAI_READ_CAPACITY_16\n");
 844         if (dev->jbod)
 845                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 846         if (dev->supplement_adapter_info.SupportedOptions2 &
 847                 AAC_OPTION_POWER_MANAGEMENT)
 848                 len += snprintf(buf + len, PAGE_SIZE - len,
 849                                 "SUPPORTED_POWER_MANAGEMENT\n");
 850         if (dev->msi)
 851                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 852         return len;
 853 }
 854
 855 static ssize_t aac_show_kernel_version(struct device *device,
 856                                        struct device_attribute *attr,
 857                                        char *buf)
 858 {
 859         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 860         int len, tmp;
 861
 862         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 863         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 864           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 865           le32_to_cpu(dev->adapter_info.kernelbuild));
 866         return len;
 867 }
 868
 869 static ssize_t aac_show_monitor_version(struct device *device,
 870                                         struct device_attribute *attr,
 871                                         char *buf)
 872 {
 873         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 874         int len, tmp;
 875
 876         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 877         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 878           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 879           le32_to_cpu(dev->adapter_info.monitorbuild));
 880         return len;
 881 }
 882
 883 static ssize_t aac_show_bios_version(struct device *device,
 884                                      struct device_attribute *attr,
 885                                      char *buf)
 886 {
 887         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 888         int len, tmp;
 889
 890         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 891         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 892           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 893           le32_to_cpu(dev->adapter_info.biosbuild));
 894         return len;
 895 }
 896
 897 static ssize_t aac_show_serial_number(struct device *device,
 898                                struct device_attribute *attr, char *buf)
 899 {
 900         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 901         int len = 0;
 902
 903         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 904                 len = snprintf(buf, 16, "%06X\n",
 905                   le32_to_cpu(dev->adapter_info.serial[0]));
 906         if (len &&
 907           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 908             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 909           buf, len-1))
 910                 len = snprintf(buf, 16, "%.*s\n",
 911                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 912                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 913
 914         return min(len, 16);
 915 }
 916
 917 static ssize_t aac_show_max_channel(struct device *device,
 918                                     struct device_attribute *attr, char *buf)
 919 {
 920         return snprintf(buf, PAGE_SIZE, "%d\n",
 921           class_to_shost(device)->max_channel);
 922 }
 923
 924 static ssize_t aac_show_max_id(struct device *device,
 925                                struct device_attribute *attr, char *buf)
 926 {
 927         return snprintf(buf, PAGE_SIZE, "%d\n",
 928           class_to_shost(device)->max_id);
 929 }
 930
 931 static ssize_t aac_store_reset_adapter(struct device *device,
 932                                        struct device_attribute *attr,
 933                                        const char *buf, size_t count)
 934 {
 935         int retval = -EACCES;
 936
 937         if (!capable(CAP_SYS_ADMIN))
 938                 return retval;
 939         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 940         if (retval >= 0)
 941                 retval = count;
 942         return retval;
 943 }
 944
 945 static ssize_t aac_show_reset_adapter(struct device *device,
 946                                       struct device_attribute *attr,
 947                                       char *buf)
 948 {
 949         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 950         int len, tmp;
 951
 952         tmp = aac_adapter_check_health(dev);
 953         if ((tmp == 0) && dev->in_reset)
 954                 tmp = -EBUSY;
 955         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 956         return len;
 957 }
 958
 959 static struct device_attribute aac_model = {
 960         .attr = {
 961                 .name = "model",
 962                 .mode = S_IRUGO,
 963         },
 964         .show = aac_show_model,
 965 };
 966 static struct device_attribute aac_vendor = {
 967         .attr = {
 968                 .name = "vendor",
 969                 .mode = S_IRUGO,
 970         },
 971         .show = aac_show_vendor,
 972 };
 973 static struct device_attribute aac_flags = {
 974         .attr = {
 975                 .name = "flags",
 976                 .mode = S_IRUGO,
 977         },
 978         .show = aac_show_flags,
 979 };
 980 static struct device_attribute aac_kernel_version = {
 981         .attr = {
 982                 .name = "hba_kernel_version",
 983                 .mode = S_IRUGO,
 984         },
 985         .show = aac_show_kernel_version,
 986 };
 987 static struct device_attribute aac_monitor_version = {
 988         .attr = {
 989                 .name = "hba_monitor_version",
 990                 .mode = S_IRUGO,
 991         },
 992         .show = aac_show_monitor_version,
 993 };
 994 static struct device_attribute aac_bios_version = {
 995         .attr = {
 996                 .name = "hba_bios_version",
 997                 .mode = S_IRUGO,
 998         },
 999         .show = aac_show_bios_version,
1000 };
1001 static struct device_attribute aac_serial_number = {
1002         .attr = {
1003                 .name = "serial_number",
1004                 .mode = S_IRUGO,
1005         },
1006         .show = aac_show_serial_number,
1007 };
1008 static struct device_attribute aac_max_channel = {
1009         .attr = {
1010                 .name = "max_channel",
1011                 .mode = S_IRUGO,
1012         },
1013         .show = aac_show_max_channel,
1014 };
1015 static struct device_attribute aac_max_id = {
1016         .attr = {
1017                 .name = "max_id",
1018                 .mode = S_IRUGO,
1019         },
1020         .show = aac_show_max_id,
1021 };
1022 static struct device_attribute aac_reset = {
1023         .attr = {
1024                 .name = "reset_host",
1025                 .mode = S_IWUSR|S_IRUGO,
1026         },
1027         .store = aac_store_reset_adapter,
1028         .show = aac_show_reset_adapter,
1029 };
1030
1031 static struct device_attribute *aac_attrs[] = {
1032         &aac_model,
1033         &aac_vendor,
1034         &aac_flags,
1035         &aac_kernel_version,
1036         &aac_monitor_version,
1037         &aac_bios_version,
1038         &aac_serial_number,
1039         &aac_max_channel,
1040         &aac_max_id,
1041         &aac_reset,
1042         NULL
1043 };
1044
1045 ssize_t aac_get_serial_number(struct device *device, char *buf)
1046 {
1047         return aac_show_serial_number(device, &aac_serial_number, buf);
1048 }
1049
1050 static const struct file_operations aac_cfg_fops = {
1051         .owner          = THIS_MODULE,
1052         .unlocked_ioctl = aac_cfg_ioctl,
1053 #ifdef CONFIG_COMPAT
1054         .compat_ioctl   = aac_compat_cfg_ioctl,
1055 #endif
1056         .open           = aac_cfg_open,
1057         .llseek         = noop_llseek,
1058 };
1059
1060 static struct scsi_host_template aac_driver_template = {
1061         .module                         = THIS_MODULE,
1062         .name                           = "AAC",
1063         .proc_name                      = AAC_DRIVERNAME,
1064         .info                           = aac_info,
1065         .ioctl                          = aac_ioctl,
1066 #ifdef CONFIG_COMPAT
1067         .compat_ioctl                   = aac_compat_ioctl,
1068 #endif
1069         .queuecommand                   = aac_queuecommand,
1070         .bios_param                     = aac_biosparm,
1071         .shost_attrs                    = aac_attrs,
1072         .slave_configure                = aac_slave_configure,
1073         .change_queue_depth             = aac_change_queue_depth,
1074         .sdev_attrs                     = aac_dev_attrs,
1075         .eh_abort_handler               = aac_eh_abort,
1076         .eh_host_reset_handler          = aac_eh_reset,
1077         .can_queue                      = AAC_NUM_IO_FIB,
1078         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1079         .sg_tablesize                   = 16,
1080         .max_sectors                    = 128,
1081 #if (AAC_NUM_IO_FIB > 256)
1082         .cmd_per_lun                    = 256,
1083 #else
1084         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1085 #endif
1086         .use_clustering                 = ENABLE_CLUSTERING,
1087         .emulated                       = 1,
1088 };
1089
1090 static void __aac_shutdown(struct aac_dev * aac)
1091 {
1092         if (aac->aif_thread) {
1093                 int i;
1094                 /* Clear out events first */
1095                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1096                         struct fib *fib = &aac->fibs[i];
1097                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1098                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1099                                 up(&fib->event_wait);
1100                 }
1101                 kthread_stop(aac->thread);
1102         }
1103         aac_send_shutdown(aac);
1104         aac_adapter_disable_int(aac);
1105         free_irq(aac->pdev->irq, aac);
1106         if (aac->msi)
1107                 pci_disable_msi(aac->pdev);
1108 }
1109
1110 static int __devinit aac_probe_one(struct pci_dev *pdev,
1111                 const struct pci_device_id *id)
1112 {
1113         unsigned index = id->driver_data;
1114         struct Scsi_Host *shost;
1115         struct aac_dev *aac;
1116         struct list_head *insert = &aac_devices;
1117         int error = -ENODEV;
1118         int unique_id = 0;
1119         u64 dmamask;
1120         extern int aac_sync_mode;
1121
1122         list_for_each_entry(aac, &aac_devices, entry) {
1123                 if (aac->id > unique_id)
1124                         break;
1125                 insert = &aac->entry;
1126                 unique_id++;
1127         }
1128
1129         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1130                                PCIE_LINK_STATE_CLKPM);
1131
1132         error = pci_enable_device(pdev);
1133         if (error)
1134                 goto out;
1135         error = -ENODEV;
1136
1137         /*
1138          * If the quirk31 bit is set, the adapter needs adapter
1139          * to driver communication memory to be allocated below 2gig
1140          */
1141         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1142                 dmamask = DMA_BIT_MASK(31);
1143         else
1144                 dmamask = DMA_BIT_MASK(32);
1145
1146         if (pci_set_dma_mask(pdev, dmamask) ||
1147                         pci_set_consistent_dma_mask(pdev, dmamask))
1148                 goto out_disable_pdev;
1149
1150         pci_set_master(pdev);
1151
1152         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1153         if (!shost)
1154                 goto out_disable_pdev;
1155
1156         shost->irq = pdev->irq;
1157         shost->unique_id = unique_id;
1158         shost->max_cmd_len = 16;
1159
1160         aac = (struct aac_dev *)shost->hostdata;
1161         aac->base_start = pci_resource_start(pdev, 0);
1162         aac->scsi_host_ptr = shost;
1163         aac->pdev = pdev;
1164         aac->name = aac_driver_template.name;
1165         aac->id = shost->unique_id;
1166         aac->cardtype = index;
1167         INIT_LIST_HEAD(&aac->entry);
1168
1169         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1170         if (!aac->fibs)
1171                 goto out_free_host;
1172         spin_lock_init(&aac->fib_lock);
1173
1174         /*
1175          *      Map in the registers from the adapter.
1176          */
1177         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1178         if ((*aac_drivers[index].init)(aac))
1179                 goto out_unmap;
1180
1181         if (aac->sync_mode) {
1182                 if (aac_sync_mode)
1183                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1184                                 "by driver parameter. This will cause "
1185                                 "a significant performance decrease!\n",
1186                                 aac->name,
1187                                 aac->id);
1188                 else
1189                         printk(KERN_INFO "%s%d: Async. mode not supported "
1190                                 "by current driver, sync. mode enforced."
1191                                 "\nPlease update driver to get full performance.\n",
1192                                 aac->name,
1193                                 aac->id);
1194         }
1195
1196         /*
1197          *      Start any kernel threads needed
1198          */
1199         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1200         if (IS_ERR(aac->thread)) {
1201                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1202                 error = PTR_ERR(aac->thread);
1203                 aac->thread = NULL;
1204                 goto out_deinit;
1205         }
1206
1207         /*
1208          * If we had set a smaller DMA mask earlier, set it to 4gig
1209          * now since the adapter can dma data to at least a 4gig
1210          * address space.
1211          */
1212         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1213                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1214                         goto out_deinit;
1215
1216         aac->maximum_num_channels = aac_drivers[index].channels;
1217         error = aac_get_adapter_info(aac);
1218         if (error < 0)
1219                 goto out_deinit;
1220
1221         /*
1222          * Lets override negotiations and drop the maximum SG limit to 34
1223          */
1224         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1225                         (shost->sg_tablesize > 34)) {
1226                 shost->sg_tablesize = 34;
1227                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1228         }
1229
1230         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1231                         (shost->sg_tablesize > 17)) {
1232                 shost->sg_tablesize = 17;
1233                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1234         }
1235
1236         error = pci_set_dma_max_seg_size(pdev,
1237                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1238                         (shost->max_sectors << 9) : 65536);
1239         if (error)
1240                 goto out_deinit;
1241
1242         /*
1243          * Firmware printf works only with older firmware.
1244          */
1245         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1246                 aac->printf_enabled = 1;
1247         else
1248                 aac->printf_enabled = 0;
1249
1250         /*
1251          * max channel will be the physical channels plus 1 virtual channel
1252          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1253          * physical channels are address by their actual physical number+1
1254          */
1255         if (aac->nondasd_support || expose_physicals || aac->jbod)
1256                 shost->max_channel = aac->maximum_num_channels;
1257         else
1258                 shost->max_channel = 0;
1259
1260         aac_get_config_status(aac, 0);
1261         aac_get_containers(aac);
1262         list_add(&aac->entry, insert);
1263
1264         shost->max_id = aac->maximum_num_containers;
1265         if (shost->max_id < aac->maximum_num_physicals)
1266                 shost->max_id = aac->maximum_num_physicals;
1267         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1268                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1269         else
1270                 shost->this_id = shost->max_id;
1271
1272         /*
1273          * dmb - we may need to move the setting of these parms somewhere else once
1274          * we get a fib that can report the actual numbers
1275          */
1276         shost->max_lun = AAC_MAX_LUN;
1277
1278         pci_set_drvdata(pdev, shost);
1279
1280         error = scsi_add_host(shost, &pdev->dev);
1281         if (error)
1282                 goto out_deinit;
1283         scsi_scan_host(shost);
1284
1285         return 0;
1286
1287  out_deinit:
1288         __aac_shutdown(aac);
1289  out_unmap:
1290         aac_fib_map_free(aac);
1291         if (aac->comm_addr)
1292                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1293                   aac->comm_phys);
1294         kfree(aac->queues);
1295         aac_adapter_ioremap(aac, 0);
1296         kfree(aac->fibs);
1297         kfree(aac->fsa_dev);
1298  out_free_host:
1299         scsi_host_put(shost);
1300  out_disable_pdev:
1301         pci_disable_device(pdev);
1302  out:
1303         return error;
1304 }
1305
1306 static void aac_shutdown(struct pci_dev *dev)
1307 {
1308         struct Scsi_Host *shost = pci_get_drvdata(dev);
1309         scsi_block_requests(shost);
1310         __aac_shutdown((struct aac_dev *)shost->hostdata);
1311 }
1312
1313 static void __devexit aac_remove_one(struct pci_dev *pdev)
1314 {
1315         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1316         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1317
1318         scsi_remove_host(shost);
1319
1320         __aac_shutdown(aac);
1321         aac_fib_map_free(aac);
1322         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1323                         aac->comm_phys);
1324         kfree(aac->queues);
1325
1326         aac_adapter_ioremap(aac, 0);
1327
1328         kfree(aac->fibs);
1329         kfree(aac->fsa_dev);
1330
1331         list_del(&aac->entry);
1332         scsi_host_put(shost);
1333         pci_disable_device(pdev);
1334         if (list_empty(&aac_devices)) {
1335                 unregister_chrdev(aac_cfg_major, "aac");
1336                 aac_cfg_major = -1;
1337         }
1338 }
1339
1340 static struct pci_driver aac_pci_driver = {
1341         .name           = AAC_DRIVERNAME,
1342         .id_table       = aac_pci_tbl,
1343         .probe          = aac_probe_one,
1344         .remove         = __devexit_p(aac_remove_one),
1345         .shutdown       = aac_shutdown,
1346 };
1347
1348 static int __init aac_init(void)
1349 {
1350         int error;
1351
1352         printk(KERN_INFO "Adaptec %s driver %s\n",
1353           AAC_DRIVERNAME, aac_driver_version);
1354
1355         error = pci_register_driver(&aac_pci_driver);
1356         if (error < 0)
1357                 return error;
1358
1359         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1360         if (aac_cfg_major < 0) {
1361                 printk(KERN_WARNING
1362                         "aacraid: unable to register \"aac\" device.\n");
1363         }
1364
1365         return 0;
1366 }
1367
1368 static void __exit aac_exit(void)
1369 {
1370         if (aac_cfg_major > -1)
1371                 unregister_chrdev(aac_cfg_major, "aac");
1372         pci_unregister_driver(&aac_pci_driver);
1373 }
1374
1375 module_init(aac_init);
1376 module_exit(aac_exit);