drivers/scsi/aacraid/linit.c

   1 /*
   2  *      Adaptec AAC series RAID controller driver
   3  *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
   4  *
   5  * based on the old aacraid driver that is..
   6  * Adaptec aacraid device driver for Linux.
   7  *
   8  * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2, or (at your option)
  13  * any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  23  *
  24  * Module Name:
  25  *   linit.c
  26  *
  27  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  28  */
  29
  30
  31 #include <linux/compat.h>
  32 #include <linux/blkdev.h>
  33 #include <linux/completion.h>
  34 #include <linux/init.h>
  35 #include <linux/interrupt.h>
  36 #include <linux/kernel.h>
  37 #include <linux/module.h>
  38 #include <linux/moduleparam.h>
  39 #include <linux/pci.h>
  40 #include <linux/slab.h>
  41 #include <linux/spinlock.h>
  42 #include <linux/syscalls.h>
  43 #include <linux/delay.h>
  44 #include <linux/kthread.h>
  45 #include <asm/semaphore.h>
  46
  47 #include <scsi/scsi.h>
  48 #include <scsi/scsi_cmnd.h>
  49 #include <scsi/scsi_device.h>
  50 #include <scsi/scsi_host.h>
  51 #include <scsi/scsi_tcq.h>
  52 #include <scsi/scsicam.h>
  53 #include <scsi/scsi_eh.h>
  54
  55 #include "aacraid.h"
  56
  57 #define AAC_DRIVER_VERSION              "1.1-5"
  58 #ifndef AAC_DRIVER_BRANCH
  59 #define AAC_DRIVER_BRANCH               ""
  60 #endif
  61 #define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
  62 #define AAC_DRIVERNAME                  "aacraid"
  63
  64 #ifdef AAC_DRIVER_BUILD
  65 #define _str(x) #x
  66 #define str(x) _str(x)
  67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  68 #else
  69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
  70 #endif
  71
  72 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  74                    "Adaptec Advanced Raid Products, "
  75                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  76 MODULE_LICENSE("GPL");
  77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  78
  79 static LIST_HEAD(aac_devices);
  80 static int aac_cfg_major = -1;
  81 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  82
  83 /*
  84  * Because of the way Linux names scsi devices, the order in this table has
  85  * become important.  Check for on-board Raid first, add-in cards second.
  86  *
  87  * Note: The last field is used to index into aac_drivers below.
  88  */
  89 static struct pci_device_id aac_pci_tbl[] = {
  90         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  91         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  92         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  93         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  94         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  95         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  96         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  97         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  98         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
  99         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 100         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 101         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 102         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 103         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 104         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 105         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 106
 107         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 108         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 109         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 110         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 111         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 112         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 113         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 114         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 115         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 116         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 117         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 118         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 119         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 120         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 121         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 122         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 123         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 124         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 125         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 126         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 127         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 128         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 129         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 130         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 131         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 132         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 133         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 134         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 135         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 136         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 137         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 138         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 139         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 140         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 141         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 142         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 143         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 144         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 145
 146         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 147         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 148         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 149         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 150         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 151
 152         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 153         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 154         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 155         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 156         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 157         { 0,}
 158 };
 159 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 160
 161 /*
 162  * dmb - For now we add the number of channels to this structure.
 163  * In the future we should add a fib that reports the number of channels
 164  * for the card.  At that time we can remove the channels from here
 165  */
 166 static struct aac_driver_ident aac_drivers[] = {
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 169         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 170         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 171         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 172         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 176         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 177         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */
 180         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 181         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 182         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 183
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 187         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 188         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 190         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 191         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 192         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 193         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 194         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 195         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 196         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 197         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 198         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 199         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 201         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 202         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 205         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 206         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 207         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 208         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 213         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 214         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 215         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 219         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 220
 221         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 222         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 223         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 224         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 225         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 226
 227         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 228         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 229         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 230         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 231         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
 232 };
 233
 234 /**
 235  *      aac_queuecommand        -       queue a SCSI command
 236  *      @cmd:           SCSI command to queue
 237  *      @done:          Function to call on command completion
 238  *
 239  *      Queues a command for execution by the associated Host Adapter.
 240  *
 241  *      TODO: unify with aac_scsi_cmd().
 242  */
 243
 244 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 245 {
 246         struct Scsi_Host *host = cmd->device->host;
 247         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 248         u32 count = 0;
 249         cmd->scsi_done = done;
 250         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 251                 struct fib * fib = &dev->fibs[count];
 252                 struct scsi_cmnd * command;
 253                 if (fib->hw_fib_va->header.XferState &&
 254                     ((command = fib->callback_data)) &&
 255                     (command == cmd) &&
 256                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 257                         return 0; /* Already owned by Adapter */
 258         }
 259         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 260         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 261 }
 262
 263 /**
 264  *      aac_info                -       Returns the host adapter name
 265  *      @shost:         Scsi host to report on
 266  *
 267  *      Returns a static string describing the device in question
 268  */
 269
 270 static const char *aac_info(struct Scsi_Host *shost)
 271 {
 272         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 273         return aac_drivers[dev->cardtype].name;
 274 }
 275
 276 /**
 277  *      aac_get_driver_ident
 278  *      @devtype: index into lookup table
 279  *
 280  *      Returns a pointer to the entry in the driver lookup table.
 281  */
 282
 283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 284 {
 285         return &aac_drivers[devtype];
 286 }
 287
 288 /**
 289  *      aac_biosparm    -       return BIOS parameters for disk
 290  *      @sdev: The scsi device corresponding to the disk
 291  *      @bdev: the block device corresponding to the disk
 292  *      @capacity: the sector capacity of the disk
 293  *      @geom: geometry block to fill in
 294  *
 295  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 296  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 297  *      number of cylinders so as not to exceed drive capacity.  In order for
 298  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 299  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 300  *      Translation should be enabled.   With Extended Translation enabled,
 301  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 302  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 303  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 304  *      the BIOS detects that the Extended Translation setting does not match
 305  *      the geometry in the partition table, then the translation inferred
 306  *      from the partition table will be used by the BIOS, and a warning may
 307  *      be displayed.
 308  */
 309
 310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 311                         sector_t capacity, int *geom)
 312 {
 313         struct diskparm *param = (struct diskparm *)geom;
 314         unsigned char *buf;
 315
 316         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 317
 318         /*
 319          *      Assuming extended translation is enabled - #REVISIT#
 320          */
 321         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 322                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 323                         param->heads = 255;
 324                         param->sectors = 63;
 325                 } else {
 326                         param->heads = 128;
 327                         param->sectors = 32;
 328                 }
 329         } else {
 330                 param->heads = 64;
 331                 param->sectors = 32;
 332         }
 333
 334         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 335
 336         /*
 337          *      Read the first 1024 bytes from the disk device, if the boot
 338          *      sector partition table is valid, search for a partition table
 339          *      entry whose end_head matches one of the standard geometry
 340          *      translations ( 64/32, 128/32, 255/63 ).
 341          */
 342         buf = scsi_bios_ptable(bdev);
 343         if (!buf)
 344                 return 0;
 345         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 346                 struct partition *first = (struct partition * )buf;
 347                 struct partition *entry = first;
 348                 int saved_cylinders = param->cylinders;
 349                 int num;
 350                 unsigned char end_head, end_sec;
 351
 352                 for(num = 0; num < 4; num++) {
 353                         end_head = entry->end_head;
 354                         end_sec = entry->end_sector & 0x3f;
 355
 356                         if(end_head == 63) {
 357                                 param->heads = 64;
 358                                 param->sectors = 32;
 359                                 break;
 360                         } else if(end_head == 127) {
 361                                 param->heads = 128;
 362                                 param->sectors = 32;
 363                                 break;
 364                         } else if(end_head == 254) {
 365                                 param->heads = 255;
 366                                 param->sectors = 63;
 367                                 break;
 368                         }
 369                         entry++;
 370                 }
 371
 372                 if (num == 4) {
 373                         end_head = first->end_head;
 374                         end_sec = first->end_sector & 0x3f;
 375                 }
 376
 377                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 378                 if (num < 4 && end_sec == param->sectors) {
 379                         if (param->cylinders != saved_cylinders)
 380                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 381                                         param->heads, param->sectors, num));
 382                 } else if (end_head > 0 || end_sec > 0) {
 383                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 384                                 end_head + 1, end_sec, num));
 385                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 386                                         param->heads, param->sectors));
 387                 }
 388         }
 389         kfree(buf);
 390         return 0;
 391 }
 392
 393 /**
 394  *      aac_slave_configure             -       compute queue depths
 395  *      @sdev:  SCSI device we are considering
 396  *
 397  *      Selects queue depths for each target device based on the host adapter's
 398  *      total capacity and the queue depth supported by the target device.
 399  *      A queue depth of one automatically disables tagged queueing.
 400  */
 401
 402 static int aac_slave_configure(struct scsi_device *sdev)
 403 {
 404         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 405         if ((sdev->type == TYPE_DISK) &&
 406                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 407                         (!aac->jbod || sdev->inq_periph_qual) &&
 408                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 409                 if (expose_physicals == 0)
 410                         return -ENXIO;
 411                 if (expose_physicals < 0)
 412                         sdev->no_uld_attach = 1;
 413         }
 414         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 415                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 416                         !sdev->no_uld_attach) {
 417                 struct scsi_device * dev;
 418                 struct Scsi_Host *host = sdev->host;
 419                 unsigned num_lsu = 0;
 420                 unsigned num_one = 0;
 421                 unsigned depth;
 422                 unsigned cid;
 423
 424                 /*
 425                  * Firmware has an individual device recovery time typically
 426                  * of 35 seconds, give us a margin.
 427                  */
 428                 if (sdev->timeout < (45 * HZ))
 429                         sdev->timeout = 45 * HZ;
 430                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 431                         if (aac->fsa_dev[cid].valid)
 432                                 ++num_lsu;
 433                 __shost_for_each_device(dev, host) {
 434                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 435                                         (!aac->raid_scsi_mode ||
 436                                                 (sdev_channel(sdev) != 2)) &&
 437                                         !dev->no_uld_attach) {
 438                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 439                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 440                                         ++num_lsu;
 441                         } else
 442                                 ++num_one;
 443                 }
 444                 if (num_lsu == 0)
 445                         ++num_lsu;
 446                 depth = (host->can_queue - num_one) / num_lsu;
 447                 if (depth > 256)
 448                         depth = 256;
 449                 else if (depth < 2)
 450                         depth = 2;
 451                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 452         } else
 453                 scsi_adjust_queue_depth(sdev, 0, 1);
 454
 455         return 0;
 456 }
 457
 458 /**
 459  *      aac_change_queue_depth          -       alter queue depths
 460  *      @sdev:  SCSI device we are considering
 461  *      @depth: desired queue depth
 462  *
 463  *      Alters queue depths for target device based on the host adapter's
 464  *      total capacity and the queue depth supported by the target device.
 465  */
 466
 467 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 468 {
 469         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 470             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 471                 struct scsi_device * dev;
 472                 struct Scsi_Host *host = sdev->host;
 473                 unsigned num = 0;
 474
 475                 __shost_for_each_device(dev, host) {
 476                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 477                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 478                                 ++num;
 479                         ++num;
 480                 }
 481                 if (num >= host->can_queue)
 482                         num = host->can_queue - 1;
 483                 if (depth > (host->can_queue - num))
 484                         depth = host->can_queue - num;
 485                 if (depth > 256)
 486                         depth = 256;
 487                 else if (depth < 2)
 488                         depth = 2;
 489                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
 490         } else
 491                 scsi_adjust_queue_depth(sdev, 0, 1);
 492         return sdev->queue_depth;
 493 }
 494
 495 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 496 {
 497         struct scsi_device * sdev = to_scsi_device(dev);
 498         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 499                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 500                   ? "Hidden\n" : "JBOD");
 501         return snprintf(buf, PAGE_SIZE, "%s\n",
 502           get_container_type(((struct aac_dev *)(sdev->host->hostdata))
 503             ->fsa_dev[sdev_id(sdev)].type));
 504 }
 505
 506 static struct device_attribute aac_raid_level_attr = {
 507         .attr = {
 508                 .name = "level",
 509                 .mode = S_IRUGO,
 510         },
 511         .show = aac_show_raid_level
 512 };
 513
 514 static struct device_attribute *aac_dev_attrs[] = {
 515         &aac_raid_level_attr,
 516         NULL,
 517 };
 518
 519 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 520 {
 521         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 522         if (!capable(CAP_SYS_RAWIO))
 523                 return -EPERM;
 524         return aac_do_ioctl(dev, cmd, arg);
 525 }
 526
 527 static int aac_eh_abort(struct scsi_cmnd* cmd)
 528 {
 529         struct scsi_device * dev = cmd->device;
 530         struct Scsi_Host * host = dev->host;
 531         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 532         int count;
 533         int ret = FAILED;
 534
 535         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
 536                 AAC_DRIVERNAME,
 537                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 538         switch (cmd->cmnd[0]) {
 539         case SERVICE_ACTION_IN:
 540                 if (!(aac->raw_io_interface) ||
 541                     !(aac->raw_io_64) ||
 542                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 543                         break;
 544         case INQUIRY:
 545         case READ_CAPACITY:
 546                 /* Mark associated FIB to not complete, eh handler does this */
 547                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 548                         struct fib * fib = &aac->fibs[count];
 549                         if (fib->hw_fib_va->header.XferState &&
 550                           (fib->flags & FIB_CONTEXT_FLAG) &&
 551                           (fib->callback_data == cmd)) {
 552                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 553                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 554                                 ret = SUCCESS;
 555                         }
 556                 }
 557                 break;
 558         case TEST_UNIT_READY:
 559                 /* Mark associated FIB to not complete, eh handler does this */
 560                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 561                         struct scsi_cmnd * command;
 562                         struct fib * fib = &aac->fibs[count];
 563                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 564                           (fib->flags & FIB_CONTEXT_FLAG) &&
 565                           ((command = fib->callback_data)) &&
 566                           (command->device == cmd->device)) {
 567                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 568                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 569                                 if (command == cmd)
 570                                         ret = SUCCESS;
 571                         }
 572                 }
 573         }
 574         return ret;
 575 }
 576
 577 /*
 578  *      aac_eh_reset    - Reset command handling
 579  *      @scsi_cmd:      SCSI command block causing the reset
 580  *
 581  */
 582 static int aac_eh_reset(struct scsi_cmnd* cmd)
 583 {
 584         struct scsi_device * dev = cmd->device;
 585         struct Scsi_Host * host = dev->host;
 586         struct scsi_cmnd * command;
 587         int count;
 588         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 589         unsigned long flags;
 590
 591         /* Mark the associated FIB to not complete, eh handler does this */
 592         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 593                 struct fib * fib = &aac->fibs[count];
 594                 if (fib->hw_fib_va->header.XferState &&
 595                   (fib->flags & FIB_CONTEXT_FLAG) &&
 596                   (fib->callback_data == cmd)) {
 597                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 598                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 599                 }
 600         }
 601         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 602                                         AAC_DRIVERNAME);
 603
 604         if ((count = aac_check_health(aac)))
 605                 return count;
 606         /*
 607          * Wait for all commands to complete to this specific
 608          * target (block maximum 60 seconds).
 609          */
 610         for (count = 60; count; --count) {
 611                 int active = aac->in_reset;
 612
 613                 if (active == 0)
 614                 __shost_for_each_device(dev, host) {
 615                         spin_lock_irqsave(&dev->list_lock, flags);
 616                         list_for_each_entry(command, &dev->cmd_list, list) {
 617                                 if ((command != cmd) &&
 618                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 619                                         active++;
 620                                         break;
 621                                 }
 622                         }
 623                         spin_unlock_irqrestore(&dev->list_lock, flags);
 624                         if (active)
 625                                 break;
 626
 627                 }
 628                 /*
 629                  * We can exit If all the commands are complete
 630                  */
 631                 if (active == 0)
 632                         return SUCCESS;
 633                 ssleep(1);
 634         }
 635         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 636         /*
 637          * This adapter needs a blind reset, only do so for Adapters that
 638          * support a register, instead of a commanded, reset.
 639          */
 640         if ((aac->supplement_adapter_info.SupportedOptions2 &
 641            AAC_OPTION_MU_RESET) &&
 642           aac_check_reset &&
 643           ((aac_check_reset != 1) ||
 644            (aac->supplement_adapter_info.SupportedOptions2 &
 645             AAC_OPTION_IGNORE_RESET)))
 646                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 647         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 648 }
 649
 650 /**
 651  *      aac_cfg_open            -       open a configuration file
 652  *      @inode: inode being opened
 653  *      @file: file handle attached
 654  *
 655  *      Called when the configuration device is opened. Does the needed
 656  *      set up on the handle and then returns
 657  *
 658  *      Bugs: This needs extending to check a given adapter is present
 659  *      so we can support hot plugging, and to ref count adapters.
 660  */
 661
 662 static int aac_cfg_open(struct inode *inode, struct file *file)
 663 {
 664         struct aac_dev *aac;
 665         unsigned minor_number = iminor(inode);
 666         int err = -ENODEV;
 667
 668         list_for_each_entry(aac, &aac_devices, entry) {
 669                 if (aac->id == minor_number) {
 670                         file->private_data = aac;
 671                         err = 0;
 672                         break;
 673                 }
 674         }
 675
 676         return err;
 677 }
 678
 679 /**
 680  *      aac_cfg_ioctl           -       AAC configuration request
 681  *      @inode: inode of device
 682  *      @file: file handle
 683  *      @cmd: ioctl command code
 684  *      @arg: argument
 685  *
 686  *      Handles a configuration ioctl. Currently this involves wrapping it
 687  *      up and feeding it into the nasty windowsalike glue layer.
 688  *
 689  *      Bugs: Needs locking against parallel ioctls lower down
 690  *      Bugs: Needs to handle hot plugging
 691  */
 692
 693 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
 694                 unsigned int cmd, unsigned long arg)
 695 {
 696         if (!capable(CAP_SYS_RAWIO))
 697                 return -EPERM;
 698         return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 699 }
 700
 701 #ifdef CONFIG_COMPAT
 702 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 703 {
 704         long ret;
 705         lock_kernel();
 706         switch (cmd) {
 707         case FSACTL_MINIPORT_REV_CHECK:
 708         case FSACTL_SENDFIB:
 709         case FSACTL_OPEN_GET_ADAPTER_FIB:
 710         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 711         case FSACTL_SEND_RAW_SRB:
 712         case FSACTL_GET_PCI_INFO:
 713         case FSACTL_QUERY_DISK:
 714         case FSACTL_DELETE_DISK:
 715         case FSACTL_FORCE_DELETE_DISK:
 716         case FSACTL_GET_CONTAINERS:
 717         case FSACTL_SEND_LARGE_FIB:
 718                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 719                 break;
 720
 721         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 722                 struct fib_ioctl __user *f;
 723
 724                 f = compat_alloc_user_space(sizeof(*f));
 725                 ret = 0;
 726                 if (clear_user(f, sizeof(*f)))
 727                         ret = -EFAULT;
 728                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 729                         ret = -EFAULT;
 730                 if (!ret)
 731                         ret = aac_do_ioctl(dev, cmd, f);
 732                 break;
 733         }
 734
 735         default:
 736                 ret = -ENOIOCTLCMD;
 737                 break;
 738         }
 739         unlock_kernel();
 740         return ret;
 741 }
 742
 743 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 744 {
 745         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 746         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 747 }
 748
 749 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 750 {
 751         if (!capable(CAP_SYS_RAWIO))
 752                 return -EPERM;
 753         return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
 754 }
 755 #endif
 756
 757 static ssize_t aac_show_model(struct class_device *class_dev,
 758                 char *buf)
 759 {
 760         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 761         int len;
 762
 763         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 764                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 765                 while (*cp && *cp != ' ')
 766                         ++cp;
 767                 while (*cp == ' ')
 768                         ++cp;
 769                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 770         } else
 771                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 772                   aac_drivers[dev->cardtype].model);
 773         return len;
 774 }
 775
 776 static ssize_t aac_show_vendor(struct class_device *class_dev,
 777                 char *buf)
 778 {
 779         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 780         int len;
 781
 782         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 783                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 784                 while (*cp && *cp != ' ')
 785                         ++cp;
 786                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 787                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 788                   dev->supplement_adapter_info.AdapterTypeText);
 789         } else
 790                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 791                   aac_drivers[dev->cardtype].vname);
 792         return len;
 793 }
 794
 795 static ssize_t aac_show_flags(struct class_device *class_dev, char *buf)
 796 {
 797         int len = 0;
 798         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 799
 800         if (nblank(dprintk(x)))
 801                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 802 #ifdef AAC_DETAILED_STATUS_INFO
 803         len += snprintf(buf + len, PAGE_SIZE - len,
 804                         "AAC_DETAILED_STATUS_INFO\n");
 805 #endif
 806         if (dev->raw_io_interface && dev->raw_io_64)
 807                 len += snprintf(buf + len, PAGE_SIZE - len,
 808                                 "SAI_READ_CAPACITY_16\n");
 809         if (dev->jbod)
 810                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 811         return len;
 812 }
 813
 814 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
 815                 char *buf)
 816 {
 817         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 818         int len, tmp;
 819
 820         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 821         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 822           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 823           le32_to_cpu(dev->adapter_info.kernelbuild));
 824         return len;
 825 }
 826
 827 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
 828                 char *buf)
 829 {
 830         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 831         int len, tmp;
 832
 833         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 834         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 835           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 836           le32_to_cpu(dev->adapter_info.monitorbuild));
 837         return len;
 838 }
 839
 840 static ssize_t aac_show_bios_version(struct class_device *class_dev,
 841                 char *buf)
 842 {
 843         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 844         int len, tmp;
 845
 846         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 847         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 848           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 849           le32_to_cpu(dev->adapter_info.biosbuild));
 850         return len;
 851 }
 852
 853 ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf)
 854 {
 855         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 856         int len = 0;
 857
 858         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 859                 len = snprintf(buf, PAGE_SIZE, "%06X\n",
 860                   le32_to_cpu(dev->adapter_info.serial[0]));
 861         if (len &&
 862           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 863             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len],
 864           buf, len))
 865                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 866                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 867                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 868         return len;
 869 }
 870
 871 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
 872 {
 873         return snprintf(buf, PAGE_SIZE, "%d\n",
 874           class_to_shost(class_dev)->max_channel);
 875 }
 876
 877 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
 878 {
 879         return snprintf(buf, PAGE_SIZE, "%d\n",
 880           class_to_shost(class_dev)->max_id);
 881 }
 882
 883 static ssize_t aac_store_reset_adapter(struct class_device *class_dev,
 884                 const char *buf, size_t count)
 885 {
 886         int retval = -EACCES;
 887
 888         if (!capable(CAP_SYS_ADMIN))
 889                 return retval;
 890         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!');
 891         if (retval >= 0)
 892                 retval = count;
 893         return retval;
 894 }
 895
 896 static ssize_t aac_show_reset_adapter(struct class_device *class_dev,
 897                 char *buf)
 898 {
 899         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
 900         int len, tmp;
 901
 902         tmp = aac_adapter_check_health(dev);
 903         if ((tmp == 0) && dev->in_reset)
 904                 tmp = -EBUSY;
 905         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 906         return len;
 907 }
 908
 909 static struct class_device_attribute aac_model = {
 910         .attr = {
 911                 .name = "model",
 912                 .mode = S_IRUGO,
 913         },
 914         .show = aac_show_model,
 915 };
 916 static struct class_device_attribute aac_vendor = {
 917         .attr = {
 918                 .name = "vendor",
 919                 .mode = S_IRUGO,
 920         },
 921         .show = aac_show_vendor,
 922 };
 923 static struct class_device_attribute aac_flags = {
 924         .attr = {
 925                 .name = "flags",
 926                 .mode = S_IRUGO,
 927         },
 928         .show = aac_show_flags,
 929 };
 930 static struct class_device_attribute aac_kernel_version = {
 931         .attr = {
 932                 .name = "hba_kernel_version",
 933                 .mode = S_IRUGO,
 934         },
 935         .show = aac_show_kernel_version,
 936 };
 937 static struct class_device_attribute aac_monitor_version = {
 938         .attr = {
 939                 .name = "hba_monitor_version",
 940                 .mode = S_IRUGO,
 941         },
 942         .show = aac_show_monitor_version,
 943 };
 944 static struct class_device_attribute aac_bios_version = {
 945         .attr = {
 946                 .name = "hba_bios_version",
 947                 .mode = S_IRUGO,
 948         },
 949         .show = aac_show_bios_version,
 950 };
 951 static struct class_device_attribute aac_serial_number = {
 952         .attr = {
 953                 .name = "serial_number",
 954                 .mode = S_IRUGO,
 955         },
 956         .show = aac_show_serial_number,
 957 };
 958 static struct class_device_attribute aac_max_channel = {
 959         .attr = {
 960                 .name = "max_channel",
 961                 .mode = S_IRUGO,
 962         },
 963         .show = aac_show_max_channel,
 964 };
 965 static struct class_device_attribute aac_max_id = {
 966         .attr = {
 967                 .name = "max_id",
 968                 .mode = S_IRUGO,
 969         },
 970         .show = aac_show_max_id,
 971 };
 972 static struct class_device_attribute aac_reset = {
 973         .attr = {
 974                 .name = "reset_host",
 975                 .mode = S_IWUSR|S_IRUGO,
 976         },
 977         .store = aac_store_reset_adapter,
 978         .show = aac_show_reset_adapter,
 979 };
 980
 981 static struct class_device_attribute *aac_attrs[] = {
 982         &aac_model,
 983         &aac_vendor,
 984         &aac_flags,
 985         &aac_kernel_version,
 986         &aac_monitor_version,
 987         &aac_bios_version,
 988         &aac_serial_number,
 989         &aac_max_channel,
 990         &aac_max_id,
 991         &aac_reset,
 992         NULL
 993 };
 994
 995
 996 static const struct file_operations aac_cfg_fops = {
 997         .owner          = THIS_MODULE,
 998         .ioctl          = aac_cfg_ioctl,
 999 #ifdef CONFIG_COMPAT
1000         .compat_ioctl   = aac_compat_cfg_ioctl,
1001 #endif
1002         .open           = aac_cfg_open,
1003 };
1004
1005 static struct scsi_host_template aac_driver_template = {
1006         .module                         = THIS_MODULE,
1007         .name                           = "AAC",
1008         .proc_name                      = AAC_DRIVERNAME,
1009         .info                           = aac_info,
1010         .ioctl                          = aac_ioctl,
1011 #ifdef CONFIG_COMPAT
1012         .compat_ioctl                   = aac_compat_ioctl,
1013 #endif
1014         .queuecommand                   = aac_queuecommand,
1015         .bios_param                     = aac_biosparm,
1016         .shost_attrs                    = aac_attrs,
1017         .slave_configure                = aac_slave_configure,
1018         .change_queue_depth             = aac_change_queue_depth,
1019         .sdev_attrs                     = aac_dev_attrs,
1020         .eh_abort_handler               = aac_eh_abort,
1021         .eh_host_reset_handler          = aac_eh_reset,
1022         .can_queue                      = AAC_NUM_IO_FIB,
1023         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1024         .sg_tablesize                   = 16,
1025         .max_sectors                    = 128,
1026 #if (AAC_NUM_IO_FIB > 256)
1027         .cmd_per_lun                    = 256,
1028 #else
1029         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1030 #endif
1031         .use_clustering                 = ENABLE_CLUSTERING,
1032         .emulated                       = 1,
1033 };
1034
1035 static void __aac_shutdown(struct aac_dev * aac)
1036 {
1037         if (aac->aif_thread)
1038                 kthread_stop(aac->thread);
1039         aac_send_shutdown(aac);
1040         aac_adapter_disable_int(aac);
1041         free_irq(aac->pdev->irq, aac);
1042 }
1043
1044 static int __devinit aac_probe_one(struct pci_dev *pdev,
1045                 const struct pci_device_id *id)
1046 {
1047         unsigned index = id->driver_data;
1048         struct Scsi_Host *shost;
1049         struct aac_dev *aac;
1050         struct list_head *insert = &aac_devices;
1051         int error = -ENODEV;
1052         int unique_id = 0;
1053
1054         list_for_each_entry(aac, &aac_devices, entry) {
1055                 if (aac->id > unique_id)
1056                         break;
1057                 insert = &aac->entry;
1058                 unique_id++;
1059         }
1060
1061         error = pci_enable_device(pdev);
1062         if (error)
1063                 goto out;
1064         error = -ENODEV;
1065
1066         if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1067                         pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1068                 goto out_disable_pdev;
1069         /*
1070          * If the quirk31 bit is set, the adapter needs adapter
1071          * to driver communication memory to be allocated below 2gig
1072          */
1073         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1074                 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1075                                 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1076                         goto out_disable_pdev;
1077
1078         pci_set_master(pdev);
1079
1080         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1081         if (!shost)
1082                 goto out_disable_pdev;
1083
1084         shost->irq = pdev->irq;
1085         shost->base = pci_resource_start(pdev, 0);
1086         shost->unique_id = unique_id;
1087         shost->max_cmd_len = 16;
1088
1089         aac = (struct aac_dev *)shost->hostdata;
1090         aac->scsi_host_ptr = shost;
1091         aac->pdev = pdev;
1092         aac->name = aac_driver_template.name;
1093         aac->id = shost->unique_id;
1094         aac->cardtype =  index;
1095         INIT_LIST_HEAD(&aac->entry);
1096
1097         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1098         if (!aac->fibs)
1099                 goto out_free_host;
1100         spin_lock_init(&aac->fib_lock);
1101
1102         /*
1103          *      Map in the registers from the adapter.
1104          */
1105         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1106         if ((*aac_drivers[index].init)(aac))
1107                 goto out_unmap;
1108
1109         /*
1110          *      Start any kernel threads needed
1111          */
1112         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1113         if (IS_ERR(aac->thread)) {
1114                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1115                 error = PTR_ERR(aac->thread);
1116                 goto out_deinit;
1117         }
1118
1119         /*
1120          * If we had set a smaller DMA mask earlier, set it to 4gig
1121          * now since the adapter can dma data to at least a 4gig
1122          * address space.
1123          */
1124         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1125                 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1126                         goto out_deinit;
1127
1128         aac->maximum_num_channels = aac_drivers[index].channels;
1129         error = aac_get_adapter_info(aac);
1130         if (error < 0)
1131                 goto out_deinit;
1132
1133         if (!(aac->adapter_info.options & AAC_OPT_NEW_COMM)) {
1134                 error = pci_set_dma_max_seg_size(pdev, 65536);
1135                 if (error)
1136                         goto out_deinit;
1137         }
1138
1139         /*
1140          * Lets override negotiations and drop the maximum SG limit to 34
1141          */
1142         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1143                         (aac->scsi_host_ptr->sg_tablesize > 34)) {
1144                 aac->scsi_host_ptr->sg_tablesize = 34;
1145                 aac->scsi_host_ptr->max_sectors
1146                   = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
1147         }
1148
1149         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1150                         (aac->scsi_host_ptr->sg_tablesize > 17)) {
1151                 aac->scsi_host_ptr->sg_tablesize = 17;
1152                 aac->scsi_host_ptr->max_sectors
1153                   = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
1154         }
1155
1156         /*
1157          * Firware printf works only with older firmware.
1158          */
1159         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1160                 aac->printf_enabled = 1;
1161         else
1162                 aac->printf_enabled = 0;
1163
1164         /*
1165          * max channel will be the physical channels plus 1 virtual channel
1166          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1167          * physical channels are address by their actual physical number+1
1168          */
1169         if (aac->nondasd_support || expose_physicals || aac->jbod)
1170                 shost->max_channel = aac->maximum_num_channels;
1171         else
1172                 shost->max_channel = 0;
1173
1174         aac_get_config_status(aac, 0);
1175         aac_get_containers(aac);
1176         list_add(&aac->entry, insert);
1177
1178         shost->max_id = aac->maximum_num_containers;
1179         if (shost->max_id < aac->maximum_num_physicals)
1180                 shost->max_id = aac->maximum_num_physicals;
1181         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1182                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1183         else
1184                 shost->this_id = shost->max_id;
1185
1186         /*
1187          * dmb - we may need to move the setting of these parms somewhere else once
1188          * we get a fib that can report the actual numbers
1189          */
1190         shost->max_lun = AAC_MAX_LUN;
1191
1192         pci_set_drvdata(pdev, shost);
1193
1194         error = scsi_add_host(shost, &pdev->dev);
1195         if (error)
1196                 goto out_deinit;
1197         scsi_scan_host(shost);
1198
1199         return 0;
1200
1201  out_deinit:
1202         __aac_shutdown(aac);
1203  out_unmap:
1204         aac_fib_map_free(aac);
1205         if (aac->comm_addr)
1206                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1207                   aac->comm_phys);
1208         kfree(aac->queues);
1209         aac_adapter_ioremap(aac, 0);
1210         kfree(aac->fibs);
1211         kfree(aac->fsa_dev);
1212  out_free_host:
1213         scsi_host_put(shost);
1214  out_disable_pdev:
1215         pci_disable_device(pdev);
1216  out:
1217         return error;
1218 }
1219
1220 static void aac_shutdown(struct pci_dev *dev)
1221 {
1222         struct Scsi_Host *shost = pci_get_drvdata(dev);
1223         scsi_block_requests(shost);
1224         __aac_shutdown((struct aac_dev *)shost->hostdata);
1225 }
1226
1227 static void __devexit aac_remove_one(struct pci_dev *pdev)
1228 {
1229         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1230         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1231
1232         scsi_remove_host(shost);
1233
1234         __aac_shutdown(aac);
1235         aac_fib_map_free(aac);
1236         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1237                         aac->comm_phys);
1238         kfree(aac->queues);
1239
1240         aac_adapter_ioremap(aac, 0);
1241
1242         kfree(aac->fibs);
1243         kfree(aac->fsa_dev);
1244
1245         list_del(&aac->entry);
1246         scsi_host_put(shost);
1247         pci_disable_device(pdev);
1248         if (list_empty(&aac_devices)) {
1249                 unregister_chrdev(aac_cfg_major, "aac");
1250                 aac_cfg_major = -1;
1251         }
1252 }
1253
1254 static struct pci_driver aac_pci_driver = {
1255         .name           = AAC_DRIVERNAME,
1256         .id_table       = aac_pci_tbl,
1257         .probe          = aac_probe_one,
1258         .remove         = __devexit_p(aac_remove_one),
1259         .shutdown       = aac_shutdown,
1260 };
1261
1262 static int __init aac_init(void)
1263 {
1264         int error;
1265
1266         printk(KERN_INFO "Adaptec %s driver %s\n",
1267           AAC_DRIVERNAME, aac_driver_version);
1268
1269         error = pci_register_driver(&aac_pci_driver);
1270         if (error < 0)
1271                 return error;
1272
1273         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1274         if (aac_cfg_major < 0) {
1275                 printk(KERN_WARNING
1276                        "aacraid: unable to register \"aac\" device.\n");
1277         }
1278
1279         return 0;
1280 }
1281
1282 static void __exit aac_exit(void)
1283 {
1284         if (aac_cfg_major > -1)
1285                 unregister_chrdev(aac_cfg_major, "aac");
1286         pci_unregister_driver(&aac_pci_driver);
1287 }
1288
1289 module_init(aac_init);
1290 module_exit(aac_exit);