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 static const struct pci_device_id aac_pci_tbl[] = {
  92         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  93         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  94         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  95         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  96         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  97         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  98         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  99         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 100         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 101         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
 102         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
 103         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
 104         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
 105         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
 106         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
 107         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
 108
 109         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
 110         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 111         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 112         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 113         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 114         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 115         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 116         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 117         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 118         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 119         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 120         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 121         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 122         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 123         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 124         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 125         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 126         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 127         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 128         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 129         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 130         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 131         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 132         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 133         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 134         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 135         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 136         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 137         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 138         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 139         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 140         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 141         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 142         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 143         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 144         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 145         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 146         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 147
 148         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 149         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 150         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 151         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 152         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 153
 154         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 155         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 156         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 157         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 158         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 159         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 160         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 161         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 162         { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
 163         { 0,}
 164 };
 165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 166
 167 /*
 168  * dmb - For now we add the number of channels to this structure.
 169  * In the future we should add a fib that reports the number of channels
 170  * for the card.  At that time we can remove the channels from here
 171  */
 172 static struct aac_driver_ident aac_drivers[] = {
 173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 182         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 183         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 187         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 189
 190         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 192         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 194         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 199         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 204         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 205         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 206         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 207         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 208         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 212         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 213         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 216         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 219         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 220         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 222         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 225         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 226
 227         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 228         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 229         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 230         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 231         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 232
 233         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 234         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 235         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 236         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 237         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 238         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
 239         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 7 (Denali) */
 240         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec PMC Series 8 */
 241         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec PMC Series 9 */
 242 };
 243
 244 /**
 245  *      aac_queuecommand        -       queue a SCSI command
 246  *      @cmd:           SCSI command to queue
 247  *      @done:          Function to call on command completion
 248  *
 249  *      Queues a command for execution by the associated Host Adapter.
 250  *
 251  *      TODO: unify with aac_scsi_cmd().
 252  */
 253
 254 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
 255 {
 256         struct Scsi_Host *host = cmd->device->host;
 257         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
 258         u32 count = 0;
 259         cmd->scsi_done = done;
 260         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 261                 struct fib * fib = &dev->fibs[count];
 262                 struct scsi_cmnd * command;
 263                 if (fib->hw_fib_va->header.XferState &&
 264                     ((command = fib->callback_data)) &&
 265                     (command == cmd) &&
 266                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
 267                         return 0; /* Already owned by Adapter */
 268         }
 269         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
 270         return (aac_scsi_cmd(cmd) ? FAILED : 0);
 271 }
 272
 273 static DEF_SCSI_QCMD(aac_queuecommand)
 274
 275 /**
 276  *      aac_info                -       Returns the host adapter name
 277  *      @shost:         Scsi host to report on
 278  *
 279  *      Returns a static string describing the device in question
 280  */
 281
 282 static const char *aac_info(struct Scsi_Host *shost)
 283 {
 284         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 285         return aac_drivers[dev->cardtype].name;
 286 }
 287
 288 /**
 289  *      aac_get_driver_ident
 290  *      @devtype: index into lookup table
 291  *
 292  *      Returns a pointer to the entry in the driver lookup table.
 293  */
 294
 295 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 296 {
 297         return &aac_drivers[devtype];
 298 }
 299
 300 /**
 301  *      aac_biosparm    -       return BIOS parameters for disk
 302  *      @sdev: The scsi device corresponding to the disk
 303  *      @bdev: the block device corresponding to the disk
 304  *      @capacity: the sector capacity of the disk
 305  *      @geom: geometry block to fill in
 306  *
 307  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 308  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 309  *      number of cylinders so as not to exceed drive capacity.  In order for
 310  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 311  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 312  *      Translation should be enabled.   With Extended Translation enabled,
 313  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 314  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 315  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 316  *      the BIOS detects that the Extended Translation setting does not match
 317  *      the geometry in the partition table, then the translation inferred
 318  *      from the partition table will be used by the BIOS, and a warning may
 319  *      be displayed.
 320  */
 321
 322 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 323                         sector_t capacity, int *geom)
 324 {
 325         struct diskparm *param = (struct diskparm *)geom;
 326         unsigned char *buf;
 327
 328         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 329
 330         /*
 331          *      Assuming extended translation is enabled - #REVISIT#
 332          */
 333         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 334                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 335                         param->heads = 255;
 336                         param->sectors = 63;
 337                 } else {
 338                         param->heads = 128;
 339                         param->sectors = 32;
 340                 }
 341         } else {
 342                 param->heads = 64;
 343                 param->sectors = 32;
 344         }
 345
 346         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 347
 348         /*
 349          *      Read the first 1024 bytes from the disk device, if the boot
 350          *      sector partition table is valid, search for a partition table
 351          *      entry whose end_head matches one of the standard geometry
 352          *      translations ( 64/32, 128/32, 255/63 ).
 353          */
 354         buf = scsi_bios_ptable(bdev);
 355         if (!buf)
 356                 return 0;
 357         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
 358                 struct partition *first = (struct partition * )buf;
 359                 struct partition *entry = first;
 360                 int saved_cylinders = param->cylinders;
 361                 int num;
 362                 unsigned char end_head, end_sec;
 363
 364                 for(num = 0; num < 4; num++) {
 365                         end_head = entry->end_head;
 366                         end_sec = entry->end_sector & 0x3f;
 367
 368                         if(end_head == 63) {
 369                                 param->heads = 64;
 370                                 param->sectors = 32;
 371                                 break;
 372                         } else if(end_head == 127) {
 373                                 param->heads = 128;
 374                                 param->sectors = 32;
 375                                 break;
 376                         } else if(end_head == 254) {
 377                                 param->heads = 255;
 378                                 param->sectors = 63;
 379                                 break;
 380                         }
 381                         entry++;
 382                 }
 383
 384                 if (num == 4) {
 385                         end_head = first->end_head;
 386                         end_sec = first->end_sector & 0x3f;
 387                 }
 388
 389                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 390                 if (num < 4 && end_sec == param->sectors) {
 391                         if (param->cylinders != saved_cylinders)
 392                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 393                                         param->heads, param->sectors, num));
 394                 } else if (end_head > 0 || end_sec > 0) {
 395                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 396                                 end_head + 1, end_sec, num));
 397                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 398                                         param->heads, param->sectors));
 399                 }
 400         }
 401         kfree(buf);
 402         return 0;
 403 }
 404
 405 /**
 406  *      aac_slave_configure             -       compute queue depths
 407  *      @sdev:  SCSI device we are considering
 408  *
 409  *      Selects queue depths for each target device based on the host adapter's
 410  *      total capacity and the queue depth supported by the target device.
 411  *      A queue depth of one automatically disables tagged queueing.
 412  */
 413
 414 static int aac_slave_configure(struct scsi_device *sdev)
 415 {
 416         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 417         if (aac->jbod && (sdev->type == TYPE_DISK))
 418                 sdev->removable = 1;
 419         if ((sdev->type == TYPE_DISK) &&
 420                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
 421                         (!aac->jbod || sdev->inq_periph_qual) &&
 422                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 423                 if (expose_physicals == 0)
 424                         return -ENXIO;
 425                 if (expose_physicals < 0)
 426                         sdev->no_uld_attach = 1;
 427         }
 428         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 429                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
 430                         !sdev->no_uld_attach) {
 431                 struct scsi_device * dev;
 432                 struct Scsi_Host *host = sdev->host;
 433                 unsigned num_lsu = 0;
 434                 unsigned num_one = 0;
 435                 unsigned depth;
 436                 unsigned cid;
 437
 438                 /*
 439                  * Firmware has an individual device recovery time typically
 440                  * of 35 seconds, give us a margin.
 441                  */
 442                 if (sdev->request_queue->rq_timeout < (45 * HZ))
 443                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
 444                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 445                         if (aac->fsa_dev[cid].valid)
 446                                 ++num_lsu;
 447                 __shost_for_each_device(dev, host) {
 448                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 449                                         (!aac->raid_scsi_mode ||
 450                                                 (sdev_channel(sdev) != 2)) &&
 451                                         !dev->no_uld_attach) {
 452                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 453                                  || !aac->fsa_dev[sdev_id(dev)].valid)
 454                                         ++num_lsu;
 455                         } else
 456                                 ++num_one;
 457                 }
 458                 if (num_lsu == 0)
 459                         ++num_lsu;
 460                 depth = (host->can_queue - num_one) / num_lsu;
 461                 if (depth > 256)
 462                         depth = 256;
 463                 else if (depth < 2)
 464                         depth = 2;
 465                 scsi_change_queue_depth(sdev, depth);
 466         } else
 467                 scsi_change_queue_depth(sdev, 1);
 468
 469         return 0;
 470 }
 471
 472 /**
 473  *      aac_change_queue_depth          -       alter queue depths
 474  *      @sdev:  SCSI device we are considering
 475  *      @depth: desired queue depth
 476  *
 477  *      Alters queue depths for target device based on the host adapter's
 478  *      total capacity and the queue depth supported by the target device.
 479  */
 480
 481 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 482 {
 483         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 484             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 485                 struct scsi_device * dev;
 486                 struct Scsi_Host *host = sdev->host;
 487                 unsigned num = 0;
 488
 489                 __shost_for_each_device(dev, host) {
 490                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 491                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 492                                 ++num;
 493                         ++num;
 494                 }
 495                 if (num >= host->can_queue)
 496                         num = host->can_queue - 1;
 497                 if (depth > (host->can_queue - num))
 498                         depth = host->can_queue - num;
 499                 if (depth > 256)
 500                         depth = 256;
 501                 else if (depth < 2)
 502                         depth = 2;
 503                 return scsi_change_queue_depth(sdev, depth);
 504         }
 505
 506         return scsi_change_queue_depth(sdev, 1);
 507 }
 508
 509 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 510 {
 511         struct scsi_device *sdev = to_scsi_device(dev);
 512         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 513         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 514                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 515                   ? "Hidden\n" :
 516                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 517         return snprintf(buf, PAGE_SIZE, "%s\n",
 518           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 519 }
 520
 521 static struct device_attribute aac_raid_level_attr = {
 522         .attr = {
 523                 .name = "level",
 524                 .mode = S_IRUGO,
 525         },
 526         .show = aac_show_raid_level
 527 };
 528
 529 static struct device_attribute *aac_dev_attrs[] = {
 530         &aac_raid_level_attr,
 531         NULL,
 532 };
 533
 534 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
 535 {
 536         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 537         if (!capable(CAP_SYS_RAWIO))
 538                 return -EPERM;
 539         return aac_do_ioctl(dev, cmd, arg);
 540 }
 541
 542 static int aac_eh_abort(struct scsi_cmnd* cmd)
 543 {
 544         struct scsi_device * dev = cmd->device;
 545         struct Scsi_Host * host = dev->host;
 546         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 547         int count;
 548         int ret = FAILED;
 549
 550         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
 551                 AAC_DRIVERNAME,
 552                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
 553         switch (cmd->cmnd[0]) {
 554         case SERVICE_ACTION_IN_16:
 555                 if (!(aac->raw_io_interface) ||
 556                     !(aac->raw_io_64) ||
 557                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 558                         break;
 559         case INQUIRY:
 560         case READ_CAPACITY:
 561                 /* Mark associated FIB to not complete, eh handler does this */
 562                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 563                         struct fib * fib = &aac->fibs[count];
 564                         if (fib->hw_fib_va->header.XferState &&
 565                           (fib->flags & FIB_CONTEXT_FLAG) &&
 566                           (fib->callback_data == cmd)) {
 567                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 568                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 569                                 ret = SUCCESS;
 570                         }
 571                 }
 572                 break;
 573         case TEST_UNIT_READY:
 574                 /* Mark associated FIB to not complete, eh handler does this */
 575                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 576                         struct scsi_cmnd * command;
 577                         struct fib * fib = &aac->fibs[count];
 578                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
 579                           (fib->flags & FIB_CONTEXT_FLAG) &&
 580                           ((command = fib->callback_data)) &&
 581                           (command->device == cmd->device)) {
 582                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 583                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 584                                 if (command == cmd)
 585                                         ret = SUCCESS;
 586                         }
 587                 }
 588         }
 589         return ret;
 590 }
 591
 592 /*
 593  *      aac_eh_reset    - Reset command handling
 594  *      @scsi_cmd:      SCSI command block causing the reset
 595  *
 596  */
 597 static int aac_eh_reset(struct scsi_cmnd* cmd)
 598 {
 599         struct scsi_device * dev = cmd->device;
 600         struct Scsi_Host * host = dev->host;
 601         struct scsi_cmnd * command;
 602         int count;
 603         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 604         unsigned long flags;
 605
 606         /* Mark the associated FIB to not complete, eh handler does this */
 607         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 608                 struct fib * fib = &aac->fibs[count];
 609                 if (fib->hw_fib_va->header.XferState &&
 610                   (fib->flags & FIB_CONTEXT_FLAG) &&
 611                   (fib->callback_data == cmd)) {
 612                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
 613                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
 614                 }
 615         }
 616         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
 617                                         AAC_DRIVERNAME);
 618
 619         if ((count = aac_check_health(aac)))
 620                 return count;
 621         /*
 622          * Wait for all commands to complete to this specific
 623          * target (block maximum 60 seconds).
 624          */
 625         for (count = 60; count; --count) {
 626                 int active = aac->in_reset;
 627
 628                 if (active == 0)
 629                 __shost_for_each_device(dev, host) {
 630                         spin_lock_irqsave(&dev->list_lock, flags);
 631                         list_for_each_entry(command, &dev->cmd_list, list) {
 632                                 if ((command != cmd) &&
 633                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
 634                                         active++;
 635                                         break;
 636                                 }
 637                         }
 638                         spin_unlock_irqrestore(&dev->list_lock, flags);
 639                         if (active)
 640                                 break;
 641
 642                 }
 643                 /*
 644                  * We can exit If all the commands are complete
 645                  */
 646                 if (active == 0)
 647                         return SUCCESS;
 648                 ssleep(1);
 649         }
 650         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
 651         /*
 652          * This adapter needs a blind reset, only do so for Adapters that
 653          * support a register, instead of a commanded, reset.
 654          */
 655         if (((aac->supplement_adapter_info.SupportedOptions2 &
 656           AAC_OPTION_MU_RESET) ||
 657           (aac->supplement_adapter_info.SupportedOptions2 &
 658           AAC_OPTION_DOORBELL_RESET)) &&
 659           aac_check_reset &&
 660           ((aac_check_reset != 1) ||
 661            !(aac->supplement_adapter_info.SupportedOptions2 &
 662             AAC_OPTION_IGNORE_RESET)))
 663                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
 664         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
 665 }
 666
 667 /**
 668  *      aac_cfg_open            -       open a configuration file
 669  *      @inode: inode being opened
 670  *      @file: file handle attached
 671  *
 672  *      Called when the configuration device is opened. Does the needed
 673  *      set up on the handle and then returns
 674  *
 675  *      Bugs: This needs extending to check a given adapter is present
 676  *      so we can support hot plugging, and to ref count adapters.
 677  */
 678
 679 static int aac_cfg_open(struct inode *inode, struct file *file)
 680 {
 681         struct aac_dev *aac;
 682         unsigned minor_number = iminor(inode);
 683         int err = -ENODEV;
 684
 685         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
 686         list_for_each_entry(aac, &aac_devices, entry) {
 687                 if (aac->id == minor_number) {
 688                         file->private_data = aac;
 689                         err = 0;
 690                         break;
 691                 }
 692         }
 693         mutex_unlock(&aac_mutex);
 694
 695         return err;
 696 }
 697
 698 /**
 699  *      aac_cfg_ioctl           -       AAC configuration request
 700  *      @inode: inode of device
 701  *      @file: file handle
 702  *      @cmd: ioctl command code
 703  *      @arg: argument
 704  *
 705  *      Handles a configuration ioctl. Currently this involves wrapping it
 706  *      up and feeding it into the nasty windowsalike glue layer.
 707  *
 708  *      Bugs: Needs locking against parallel ioctls lower down
 709  *      Bugs: Needs to handle hot plugging
 710  */
 711
 712 static long aac_cfg_ioctl(struct file *file,
 713                 unsigned int cmd, unsigned long arg)
 714 {
 715         int ret;
 716         if (!capable(CAP_SYS_RAWIO))
 717                 return -EPERM;
 718         mutex_lock(&aac_mutex);
 719         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
 720         mutex_unlock(&aac_mutex);
 721
 722         return ret;
 723 }
 724
 725 #ifdef CONFIG_COMPAT
 726 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 727 {
 728         long ret;
 729         mutex_lock(&aac_mutex);
 730         switch (cmd) {
 731         case FSACTL_MINIPORT_REV_CHECK:
 732         case FSACTL_SENDFIB:
 733         case FSACTL_OPEN_GET_ADAPTER_FIB:
 734         case FSACTL_CLOSE_GET_ADAPTER_FIB:
 735         case FSACTL_SEND_RAW_SRB:
 736         case FSACTL_GET_PCI_INFO:
 737         case FSACTL_QUERY_DISK:
 738         case FSACTL_DELETE_DISK:
 739         case FSACTL_FORCE_DELETE_DISK:
 740         case FSACTL_GET_CONTAINERS:
 741         case FSACTL_SEND_LARGE_FIB:
 742                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
 743                 break;
 744
 745         case FSACTL_GET_NEXT_ADAPTER_FIB: {
 746                 struct fib_ioctl __user *f;
 747
 748                 f = compat_alloc_user_space(sizeof(*f));
 749                 ret = 0;
 750                 if (clear_user(f, sizeof(*f)))
 751                         ret = -EFAULT;
 752                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
 753                         ret = -EFAULT;
 754                 if (!ret)
 755                         ret = aac_do_ioctl(dev, cmd, f);
 756                 break;
 757         }
 758
 759         default:
 760                 ret = -ENOIOCTLCMD;
 761                 break;
 762         }
 763         mutex_unlock(&aac_mutex);
 764         return ret;
 765 }
 766
 767 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 768 {
 769         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 770         if (!capable(CAP_SYS_RAWIO))
 771                 return -EPERM;
 772         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
 773 }
 774
 775 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 776 {
 777         if (!capable(CAP_SYS_RAWIO))
 778                 return -EPERM;
 779         return aac_compat_do_ioctl(file->private_data, cmd, arg);
 780 }
 781 #endif
 782
 783 static ssize_t aac_show_model(struct device *device,
 784                               struct device_attribute *attr, char *buf)
 785 {
 786         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 787         int len;
 788
 789         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 790                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 791                 while (*cp && *cp != ' ')
 792                         ++cp;
 793                 while (*cp == ' ')
 794                         ++cp;
 795                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
 796         } else
 797                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 798                   aac_drivers[dev->cardtype].model);
 799         return len;
 800 }
 801
 802 static ssize_t aac_show_vendor(struct device *device,
 803                                struct device_attribute *attr, char *buf)
 804 {
 805         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 806         int len;
 807
 808         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
 809                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
 810                 while (*cp && *cp != ' ')
 811                         ++cp;
 812                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
 813                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
 814                   dev->supplement_adapter_info.AdapterTypeText);
 815         } else
 816                 len = snprintf(buf, PAGE_SIZE, "%s\n",
 817                   aac_drivers[dev->cardtype].vname);
 818         return len;
 819 }
 820
 821 static ssize_t aac_show_flags(struct device *cdev,
 822                               struct device_attribute *attr, char *buf)
 823 {
 824         int len = 0;
 825         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
 826
 827         if (nblank(dprintk(x)))
 828                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
 829 #ifdef AAC_DETAILED_STATUS_INFO
 830         len += snprintf(buf + len, PAGE_SIZE - len,
 831                         "AAC_DETAILED_STATUS_INFO\n");
 832 #endif
 833         if (dev->raw_io_interface && dev->raw_io_64)
 834                 len += snprintf(buf + len, PAGE_SIZE - len,
 835                                 "SAI_READ_CAPACITY_16\n");
 836         if (dev->jbod)
 837                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
 838         if (dev->supplement_adapter_info.SupportedOptions2 &
 839                 AAC_OPTION_POWER_MANAGEMENT)
 840                 len += snprintf(buf + len, PAGE_SIZE - len,
 841                                 "SUPPORTED_POWER_MANAGEMENT\n");
 842         if (dev->msi)
 843                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
 844         return len;
 845 }
 846
 847 static ssize_t aac_show_kernel_version(struct device *device,
 848                                        struct device_attribute *attr,
 849                                        char *buf)
 850 {
 851         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 852         int len, tmp;
 853
 854         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
 855         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 856           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 857           le32_to_cpu(dev->adapter_info.kernelbuild));
 858         return len;
 859 }
 860
 861 static ssize_t aac_show_monitor_version(struct device *device,
 862                                         struct device_attribute *attr,
 863                                         char *buf)
 864 {
 865         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 866         int len, tmp;
 867
 868         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
 869         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 870           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 871           le32_to_cpu(dev->adapter_info.monitorbuild));
 872         return len;
 873 }
 874
 875 static ssize_t aac_show_bios_version(struct device *device,
 876                                      struct device_attribute *attr,
 877                                      char *buf)
 878 {
 879         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 880         int len, tmp;
 881
 882         tmp = le32_to_cpu(dev->adapter_info.biosrev);
 883         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
 884           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
 885           le32_to_cpu(dev->adapter_info.biosbuild));
 886         return len;
 887 }
 888
 889 static ssize_t aac_show_serial_number(struct device *device,
 890                                struct device_attribute *attr, char *buf)
 891 {
 892         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 893         int len = 0;
 894
 895         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
 896                 len = snprintf(buf, 16, "%06X\n",
 897                   le32_to_cpu(dev->adapter_info.serial[0]));
 898         if (len &&
 899           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
 900             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
 901           buf, len-1))
 902                 len = snprintf(buf, 16, "%.*s\n",
 903                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
 904                   dev->supplement_adapter_info.MfgPcbaSerialNo);
 905
 906         return min(len, 16);
 907 }
 908
 909 static ssize_t aac_show_max_channel(struct device *device,
 910                                     struct device_attribute *attr, char *buf)
 911 {
 912         return snprintf(buf, PAGE_SIZE, "%d\n",
 913           class_to_shost(device)->max_channel);
 914 }
 915
 916 static ssize_t aac_show_max_id(struct device *device,
 917                                struct device_attribute *attr, char *buf)
 918 {
 919         return snprintf(buf, PAGE_SIZE, "%d\n",
 920           class_to_shost(device)->max_id);
 921 }
 922
 923 static ssize_t aac_store_reset_adapter(struct device *device,
 924                                        struct device_attribute *attr,
 925                                        const char *buf, size_t count)
 926 {
 927         int retval = -EACCES;
 928
 929         if (!capable(CAP_SYS_ADMIN))
 930                 return retval;
 931         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
 932         if (retval >= 0)
 933                 retval = count;
 934         return retval;
 935 }
 936
 937 static ssize_t aac_show_reset_adapter(struct device *device,
 938                                       struct device_attribute *attr,
 939                                       char *buf)
 940 {
 941         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
 942         int len, tmp;
 943
 944         tmp = aac_adapter_check_health(dev);
 945         if ((tmp == 0) && dev->in_reset)
 946                 tmp = -EBUSY;
 947         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
 948         return len;
 949 }
 950
 951 static struct device_attribute aac_model = {
 952         .attr = {
 953                 .name = "model",
 954                 .mode = S_IRUGO,
 955         },
 956         .show = aac_show_model,
 957 };
 958 static struct device_attribute aac_vendor = {
 959         .attr = {
 960                 .name = "vendor",
 961                 .mode = S_IRUGO,
 962         },
 963         .show = aac_show_vendor,
 964 };
 965 static struct device_attribute aac_flags = {
 966         .attr = {
 967                 .name = "flags",
 968                 .mode = S_IRUGO,
 969         },
 970         .show = aac_show_flags,
 971 };
 972 static struct device_attribute aac_kernel_version = {
 973         .attr = {
 974                 .name = "hba_kernel_version",
 975                 .mode = S_IRUGO,
 976         },
 977         .show = aac_show_kernel_version,
 978 };
 979 static struct device_attribute aac_monitor_version = {
 980         .attr = {
 981                 .name = "hba_monitor_version",
 982                 .mode = S_IRUGO,
 983         },
 984         .show = aac_show_monitor_version,
 985 };
 986 static struct device_attribute aac_bios_version = {
 987         .attr = {
 988                 .name = "hba_bios_version",
 989                 .mode = S_IRUGO,
 990         },
 991         .show = aac_show_bios_version,
 992 };
 993 static struct device_attribute aac_serial_number = {
 994         .attr = {
 995                 .name = "serial_number",
 996                 .mode = S_IRUGO,
 997         },
 998         .show = aac_show_serial_number,
 999 };
1000 static struct device_attribute aac_max_channel = {
1001         .attr = {
1002                 .name = "max_channel",
1003                 .mode = S_IRUGO,
1004         },
1005         .show = aac_show_max_channel,
1006 };
1007 static struct device_attribute aac_max_id = {
1008         .attr = {
1009                 .name = "max_id",
1010                 .mode = S_IRUGO,
1011         },
1012         .show = aac_show_max_id,
1013 };
1014 static struct device_attribute aac_reset = {
1015         .attr = {
1016                 .name = "reset_host",
1017                 .mode = S_IWUSR|S_IRUGO,
1018         },
1019         .store = aac_store_reset_adapter,
1020         .show = aac_show_reset_adapter,
1021 };
1022
1023 static struct device_attribute *aac_attrs[] = {
1024         &aac_model,
1025         &aac_vendor,
1026         &aac_flags,
1027         &aac_kernel_version,
1028         &aac_monitor_version,
1029         &aac_bios_version,
1030         &aac_serial_number,
1031         &aac_max_channel,
1032         &aac_max_id,
1033         &aac_reset,
1034         NULL
1035 };
1036
1037 ssize_t aac_get_serial_number(struct device *device, char *buf)
1038 {
1039         return aac_show_serial_number(device, &aac_serial_number, buf);
1040 }
1041
1042 static const struct file_operations aac_cfg_fops = {
1043         .owner          = THIS_MODULE,
1044         .unlocked_ioctl = aac_cfg_ioctl,
1045 #ifdef CONFIG_COMPAT
1046         .compat_ioctl   = aac_compat_cfg_ioctl,
1047 #endif
1048         .open           = aac_cfg_open,
1049         .llseek         = noop_llseek,
1050 };
1051
1052 static struct scsi_host_template aac_driver_template = {
1053         .module                         = THIS_MODULE,
1054         .name                           = "AAC",
1055         .proc_name                      = AAC_DRIVERNAME,
1056         .info                           = aac_info,
1057         .ioctl                          = aac_ioctl,
1058 #ifdef CONFIG_COMPAT
1059         .compat_ioctl                   = aac_compat_ioctl,
1060 #endif
1061         .queuecommand                   = aac_queuecommand,
1062         .bios_param                     = aac_biosparm,
1063         .shost_attrs                    = aac_attrs,
1064         .slave_configure                = aac_slave_configure,
1065         .change_queue_depth             = aac_change_queue_depth,
1066         .sdev_attrs                     = aac_dev_attrs,
1067         .eh_abort_handler               = aac_eh_abort,
1068         .eh_host_reset_handler          = aac_eh_reset,
1069         .can_queue                      = AAC_NUM_IO_FIB,
1070         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1071         .sg_tablesize                   = 16,
1072         .max_sectors                    = 128,
1073 #if (AAC_NUM_IO_FIB > 256)
1074         .cmd_per_lun                    = 256,
1075 #else
1076         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1077 #endif
1078         .use_clustering                 = ENABLE_CLUSTERING,
1079         .emulated                       = 1,
1080         .no_write_same                  = 1,
1081 };
1082
1083 static void __aac_shutdown(struct aac_dev * aac)
1084 {
1085         if (aac->aif_thread) {
1086                 int i;
1087                 /* Clear out events first */
1088                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1089                         struct fib *fib = &aac->fibs[i];
1090                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1091                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1092                                 up(&fib->event_wait);
1093                 }
1094                 kthread_stop(aac->thread);
1095         }
1096         aac_send_shutdown(aac);
1097         aac_adapter_disable_int(aac);
1098         free_irq(aac->pdev->irq, aac);
1099         if (aac->msi)
1100                 pci_disable_msi(aac->pdev);
1101 }
1102
1103 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1104 {
1105         unsigned index = id->driver_data;
1106         struct Scsi_Host *shost;
1107         struct aac_dev *aac;
1108         struct list_head *insert = &aac_devices;
1109         int error = -ENODEV;
1110         int unique_id = 0;
1111         u64 dmamask;
1112         extern int aac_sync_mode;
1113
1114         list_for_each_entry(aac, &aac_devices, entry) {
1115                 if (aac->id > unique_id)
1116                         break;
1117                 insert = &aac->entry;
1118                 unique_id++;
1119         }
1120
1121         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1122                                PCIE_LINK_STATE_CLKPM);
1123
1124         error = pci_enable_device(pdev);
1125         if (error)
1126                 goto out;
1127         error = -ENODEV;
1128
1129         /*
1130          * If the quirk31 bit is set, the adapter needs adapter
1131          * to driver communication memory to be allocated below 2gig
1132          */
1133         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1134                 dmamask = DMA_BIT_MASK(31);
1135         else
1136                 dmamask = DMA_BIT_MASK(32);
1137
1138         if (pci_set_dma_mask(pdev, dmamask) ||
1139                         pci_set_consistent_dma_mask(pdev, dmamask))
1140                 goto out_disable_pdev;
1141
1142         pci_set_master(pdev);
1143
1144         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1145         if (!shost)
1146                 goto out_disable_pdev;
1147
1148         shost->irq = pdev->irq;
1149         shost->unique_id = unique_id;
1150         shost->max_cmd_len = 16;
1151         shost->use_cmd_list = 1;
1152
1153         aac = (struct aac_dev *)shost->hostdata;
1154         aac->base_start = pci_resource_start(pdev, 0);
1155         aac->scsi_host_ptr = shost;
1156         aac->pdev = pdev;
1157         aac->name = aac_driver_template.name;
1158         aac->id = shost->unique_id;
1159         aac->cardtype = index;
1160         INIT_LIST_HEAD(&aac->entry);
1161
1162         aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1163         if (!aac->fibs)
1164                 goto out_free_host;
1165         spin_lock_init(&aac->fib_lock);
1166
1167         /*
1168          *      Map in the registers from the adapter.
1169          */
1170         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1171         if ((*aac_drivers[index].init)(aac))
1172                 goto out_unmap;
1173
1174         if (aac->sync_mode) {
1175                 if (aac_sync_mode)
1176                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1177                                 "by driver parameter. This will cause "
1178                                 "a significant performance decrease!\n",
1179                                 aac->name,
1180                                 aac->id);
1181                 else
1182                         printk(KERN_INFO "%s%d: Async. mode not supported "
1183                                 "by current driver, sync. mode enforced."
1184                                 "\nPlease update driver to get full performance.\n",
1185                                 aac->name,
1186                                 aac->id);
1187         }
1188
1189         /*
1190          *      Start any kernel threads needed
1191          */
1192         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1193         if (IS_ERR(aac->thread)) {
1194                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1195                 error = PTR_ERR(aac->thread);
1196                 aac->thread = NULL;
1197                 goto out_deinit;
1198         }
1199
1200         /*
1201          * If we had set a smaller DMA mask earlier, set it to 4gig
1202          * now since the adapter can dma data to at least a 4gig
1203          * address space.
1204          */
1205         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1206                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1207                         goto out_deinit;
1208
1209         aac->maximum_num_channels = aac_drivers[index].channels;
1210         error = aac_get_adapter_info(aac);
1211         if (error < 0)
1212                 goto out_deinit;
1213
1214         /*
1215          * Lets override negotiations and drop the maximum SG limit to 34
1216          */
1217         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1218                         (shost->sg_tablesize > 34)) {
1219                 shost->sg_tablesize = 34;
1220                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1221         }
1222
1223         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1224                         (shost->sg_tablesize > 17)) {
1225                 shost->sg_tablesize = 17;
1226                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1227         }
1228
1229         error = pci_set_dma_max_seg_size(pdev,
1230                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1231                         (shost->max_sectors << 9) : 65536);
1232         if (error)
1233                 goto out_deinit;
1234
1235         /*
1236          * Firmware printf works only with older firmware.
1237          */
1238         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1239                 aac->printf_enabled = 1;
1240         else
1241                 aac->printf_enabled = 0;
1242
1243         /*
1244          * max channel will be the physical channels plus 1 virtual channel
1245          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1246          * physical channels are address by their actual physical number+1
1247          */
1248         if (aac->nondasd_support || expose_physicals || aac->jbod)
1249                 shost->max_channel = aac->maximum_num_channels;
1250         else
1251                 shost->max_channel = 0;
1252
1253         aac_get_config_status(aac, 0);
1254         aac_get_containers(aac);
1255         list_add(&aac->entry, insert);
1256
1257         shost->max_id = aac->maximum_num_containers;
1258         if (shost->max_id < aac->maximum_num_physicals)
1259                 shost->max_id = aac->maximum_num_physicals;
1260         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1261                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1262         else
1263                 shost->this_id = shost->max_id;
1264
1265         /*
1266          * dmb - we may need to move the setting of these parms somewhere else once
1267          * we get a fib that can report the actual numbers
1268          */
1269         shost->max_lun = AAC_MAX_LUN;
1270
1271         pci_set_drvdata(pdev, shost);
1272
1273         error = scsi_add_host(shost, &pdev->dev);
1274         if (error)
1275                 goto out_deinit;
1276         scsi_scan_host(shost);
1277
1278         return 0;
1279
1280  out_deinit:
1281         __aac_shutdown(aac);
1282  out_unmap:
1283         aac_fib_map_free(aac);
1284         if (aac->comm_addr)
1285                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1286                   aac->comm_phys);
1287         kfree(aac->queues);
1288         aac_adapter_ioremap(aac, 0);
1289         kfree(aac->fibs);
1290         kfree(aac->fsa_dev);
1291  out_free_host:
1292         scsi_host_put(shost);
1293  out_disable_pdev:
1294         pci_disable_device(pdev);
1295  out:
1296         return error;
1297 }
1298
1299 static void aac_shutdown(struct pci_dev *dev)
1300 {
1301         struct Scsi_Host *shost = pci_get_drvdata(dev);
1302         scsi_block_requests(shost);
1303         __aac_shutdown((struct aac_dev *)shost->hostdata);
1304 }
1305
1306 static void aac_remove_one(struct pci_dev *pdev)
1307 {
1308         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1309         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1310
1311         scsi_remove_host(shost);
1312
1313         __aac_shutdown(aac);
1314         aac_fib_map_free(aac);
1315         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1316                         aac->comm_phys);
1317         kfree(aac->queues);
1318
1319         aac_adapter_ioremap(aac, 0);
1320
1321         kfree(aac->fibs);
1322         kfree(aac->fsa_dev);
1323
1324         list_del(&aac->entry);
1325         scsi_host_put(shost);
1326         pci_disable_device(pdev);
1327         if (list_empty(&aac_devices)) {
1328                 unregister_chrdev(aac_cfg_major, "aac");
1329                 aac_cfg_major = -1;
1330         }
1331 }
1332
1333 static struct pci_driver aac_pci_driver = {
1334         .name           = AAC_DRIVERNAME,
1335         .id_table       = aac_pci_tbl,
1336         .probe          = aac_probe_one,
1337         .remove         = aac_remove_one,
1338         .shutdown       = aac_shutdown,
1339 };
1340
1341 static int __init aac_init(void)
1342 {
1343         int error;
1344
1345         printk(KERN_INFO "Adaptec %s driver %s\n",
1346           AAC_DRIVERNAME, aac_driver_version);
1347
1348         error = pci_register_driver(&aac_pci_driver);
1349         if (error < 0)
1350                 return error;
1351
1352         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1353         if (aac_cfg_major < 0) {
1354                 printk(KERN_WARNING
1355                         "aacraid: unable to register \"aac\" device.\n");
1356         }
1357
1358         return 0;
1359 }
1360
1361 static void __exit aac_exit(void)
1362 {
1363         if (aac_cfg_major > -1)
1364                 unregister_chrdev(aac_cfg_major, "aac");
1365         pci_unregister_driver(&aac_pci_driver);
1366 }
1367
1368 module_init(aac_init);
1369 module_exit(aac_exit);