drivers/scsi/aacraid/linit.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *      Adaptec AAC series RAID controller driver
   4  *      (c) Copyright 2001 Red Hat Inc.
   5  *
   6  * based on the old aacraid driver that is..
   7  * Adaptec aacraid device driver for Linux.
   8  *
   9  * Copyright (c) 2000-2010 Adaptec, Inc.
  10  *               2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
  11  *               2016-2017 Microsemi Corp. (aacraid@microsemi.com)
  12  *
  13  * Module Name:
  14  *   linit.c
  15  *
  16  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  17  */
  18
  19
  20 #include <linux/compat.h>
  21 #include <linux/blkdev.h>
  22 #include <linux/completion.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/kernel.h>
  26 #include <linux/module.h>
  27 #include <linux/moduleparam.h>
  28 #include <linux/pci.h>
  29 #include <linux/aer.h>
  30 #include <linux/slab.h>
  31 #include <linux/mutex.h>
  32 #include <linux/spinlock.h>
  33 #include <linux/syscalls.h>
  34 #include <linux/delay.h>
  35 #include <linux/kthread.h>
  36 #include <linux/msdos_partition.h>
  37
  38 #include <scsi/scsi.h>
  39 #include <scsi/scsi_cmnd.h>
  40 #include <scsi/scsi_device.h>
  41 #include <scsi/scsi_host.h>
  42 #include <scsi/scsi_tcq.h>
  43 #include <scsi/scsicam.h>
  44 #include <scsi/scsi_eh.h>
  45
  46 #include "aacraid.h"
  47
  48 #define AAC_DRIVER_VERSION              "1.2.1"
  49 #ifndef AAC_DRIVER_BRANCH
  50 #define AAC_DRIVER_BRANCH               ""
  51 #endif
  52 #define AAC_DRIVERNAME                  "aacraid"
  53
  54 #ifdef AAC_DRIVER_BUILD
  55 #define _str(x) #x
  56 #define str(x) _str(x)
  57 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  58 #else
  59 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  60 #endif
  61
  62 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  64                    "Adaptec Advanced Raid Products, "
  65                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  66 MODULE_LICENSE("GPL");
  67 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  68
  69 static DEFINE_MUTEX(aac_mutex);
  70 static LIST_HEAD(aac_devices);
  71 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  72 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  73
  74 /*
  75  * Because of the way Linux names scsi devices, the order in this table has
  76  * become important.  Check for on-board Raid first, add-in cards second.
  77  *
  78  * Note: The last field is used to index into aac_drivers below.
  79  */
  80 static const struct pci_device_id aac_pci_tbl[] = {
  81         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  82         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  83         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  84         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  85         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  86         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  87         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  88         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  89         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
  90         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
  91         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
  92         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
  93         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
  94         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
  95         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
  96         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
  97
  98         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
  99         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
 100         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 101         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 102         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 103         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 104         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 105         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 106         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 107         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 108         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 109         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 110         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 111         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 112         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 113         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 114         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 115         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 116         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 117         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 118         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 119         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 120         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 121         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 122         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 123         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 124         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 125         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 126         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 127         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 128         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 129         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 130         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 131         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 132         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 133         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 134         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 135         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 136
 137         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 138         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 139         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 140         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 141         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 142
 143         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 144         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 145         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 146         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 147         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 148         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 149         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 150         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 151         { 0,}
 152 };
 153 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 154
 155 /*
 156  * dmb - For now we add the number of channels to this structure.
 157  * In the future we should add a fib that reports the number of channels
 158  * for the card.  At that time we can remove the channels from here
 159  */
 160 static struct aac_driver_ident aac_drivers[] = {
 161         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 162         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 163         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 164         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 165         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 166         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 169         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 170         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 171         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 172         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 173         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 174         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 175         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 176         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 177
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 180         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 181         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 182         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 183         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 184         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 185         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 186         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 187         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 188         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 190         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 191         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 192         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 193         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 194         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 195         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 197         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 198         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 199         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 200         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 201         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 202         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 205         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 206         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 207         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 208         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 209         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 212         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 213         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 214
 215         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 216         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 217         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 218         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 219         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 220
 221         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 222         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 223         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 224         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 225         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 226         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
 227         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
 228         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
 229 };
 230
 231 /**
 232  *      aac_queuecommand        -       queue a SCSI command
 233  *      @shost:         Scsi host to queue command on
 234  *      @cmd:           SCSI command to queue
 235  *
 236  *      Queues a command for execution by the associated Host Adapter.
 237  *
 238  *      TODO: unify with aac_scsi_cmd().
 239  */
 240
 241 static int aac_queuecommand(struct Scsi_Host *shost,
 242                             struct scsi_cmnd *cmd)
 243 {
 244         aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL;
 245
 246         return aac_scsi_cmd(cmd) ? FAILED : 0;
 247 }
 248
 249 /**
 250  *      aac_info                -       Returns the host adapter name
 251  *      @shost:         Scsi host to report on
 252  *
 253  *      Returns a static string describing the device in question
 254  */
 255
 256 static const char *aac_info(struct Scsi_Host *shost)
 257 {
 258         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 259         return aac_drivers[dev->cardtype].name;
 260 }
 261
 262 /**
 263  *      aac_get_driver_ident
 264  *      @devtype: index into lookup table
 265  *
 266  *      Returns a pointer to the entry in the driver lookup table.
 267  */
 268
 269 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 270 {
 271         return &aac_drivers[devtype];
 272 }
 273
 274 /**
 275  *      aac_biosparm    -       return BIOS parameters for disk
 276  *      @sdev: The scsi device corresponding to the disk
 277  *      @bdev: the block device corresponding to the disk
 278  *      @capacity: the sector capacity of the disk
 279  *      @geom: geometry block to fill in
 280  *
 281  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 282  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 283  *      number of cylinders so as not to exceed drive capacity.  In order for
 284  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 285  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 286  *      Translation should be enabled.   With Extended Translation enabled,
 287  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 288  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 289  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 290  *      the BIOS detects that the Extended Translation setting does not match
 291  *      the geometry in the partition table, then the translation inferred
 292  *      from the partition table will be used by the BIOS, and a warning may
 293  *      be displayed.
 294  */
 295
 296 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 297                         sector_t capacity, int *geom)
 298 {
 299         struct diskparm *param = (struct diskparm *)geom;
 300         unsigned char *buf;
 301
 302         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 303
 304         /*
 305          *      Assuming extended translation is enabled - #REVISIT#
 306          */
 307         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 308                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 309                         param->heads = 255;
 310                         param->sectors = 63;
 311                 } else {
 312                         param->heads = 128;
 313                         param->sectors = 32;
 314                 }
 315         } else {
 316                 param->heads = 64;
 317                 param->sectors = 32;
 318         }
 319
 320         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 321
 322         /*
 323          *      Read the first 1024 bytes from the disk device, if the boot
 324          *      sector partition table is valid, search for a partition table
 325          *      entry whose end_head matches one of the standard geometry
 326          *      translations ( 64/32, 128/32, 255/63 ).
 327          */
 328         buf = scsi_bios_ptable(bdev);
 329         if (!buf)
 330                 return 0;
 331         if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
 332                 struct msdos_partition *first = (struct msdos_partition *)buf;
 333                 struct msdos_partition *entry = first;
 334                 int saved_cylinders = param->cylinders;
 335                 int num;
 336                 unsigned char end_head, end_sec;
 337
 338                 for(num = 0; num < 4; num++) {
 339                         end_head = entry->end_head;
 340                         end_sec = entry->end_sector & 0x3f;
 341
 342                         if(end_head == 63) {
 343                                 param->heads = 64;
 344                                 param->sectors = 32;
 345                                 break;
 346                         } else if(end_head == 127) {
 347                                 param->heads = 128;
 348                                 param->sectors = 32;
 349                                 break;
 350                         } else if(end_head == 254) {
 351                                 param->heads = 255;
 352                                 param->sectors = 63;
 353                                 break;
 354                         }
 355                         entry++;
 356                 }
 357
 358                 if (num == 4) {
 359                         end_head = first->end_head;
 360                         end_sec = first->end_sector & 0x3f;
 361                 }
 362
 363                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 364                 if (num < 4 && end_sec == param->sectors) {
 365                         if (param->cylinders != saved_cylinders) {
 366                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 367                                         param->heads, param->sectors, num));
 368                         }
 369                 } else if (end_head > 0 || end_sec > 0) {
 370                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 371                                 end_head + 1, end_sec, num));
 372                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 373                                         param->heads, param->sectors));
 374                 }
 375         }
 376         kfree(buf);
 377         return 0;
 378 }
 379
 380 /**
 381  *      aac_slave_configure             -       compute queue depths
 382  *      @sdev:  SCSI device we are considering
 383  *
 384  *      Selects queue depths for each target device based on the host adapter's
 385  *      total capacity and the queue depth supported by the target device.
 386  *      A queue depth of one automatically disables tagged queueing.
 387  */
 388
 389 static int aac_slave_configure(struct scsi_device *sdev)
 390 {
 391         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 392         int chn, tid;
 393         unsigned int depth = 0;
 394         unsigned int set_timeout = 0;
 395         int timeout = 0;
 396         bool set_qd_dev_type = false;
 397         u8 devtype = 0;
 398
 399         chn = aac_logical_to_phys(sdev_channel(sdev));
 400         tid = sdev_id(sdev);
 401         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 402                 devtype = aac->hba_map[chn][tid].devtype;
 403
 404                 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
 405                         depth = aac->hba_map[chn][tid].qd_limit;
 406                         set_timeout = 1;
 407                         goto common_config;
 408                 }
 409                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 410                         set_qd_dev_type = true;
 411                         set_timeout = 1;
 412                         goto common_config;
 413                 }
 414         }
 415
 416         if (aac->jbod && (sdev->type == TYPE_DISK))
 417                 sdev->removable = 1;
 418
 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
 424                 if (expose_physicals == 0)
 425                         return -ENXIO;
 426
 427                 if (expose_physicals < 0)
 428                         sdev->no_uld_attach = 1;
 429         }
 430
 431         if (sdev->tagged_supported
 432          &&  sdev->type == TYPE_DISK
 433          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 434          && !sdev->no_uld_attach) {
 435
 436                 struct scsi_device * dev;
 437                 struct Scsi_Host *host = sdev->host;
 438                 unsigned num_lsu = 0;
 439                 unsigned num_one = 0;
 440                 unsigned cid;
 441
 442                 set_timeout = 1;
 443
 444                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 445                         if (aac->fsa_dev[cid].valid)
 446                                 ++num_lsu;
 447
 448                 __shost_for_each_device(dev, host) {
 449                         if (dev->tagged_supported
 450                          && dev->type == TYPE_DISK
 451                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 452                          && !dev->no_uld_attach) {
 453                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 454                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 455                                         ++num_lsu;
 456                                 }
 457                         } else {
 458                                 ++num_one;
 459                         }
 460                 }
 461
 462                 if (num_lsu == 0)
 463                         ++num_lsu;
 464
 465                 depth = (host->can_queue - num_one) / num_lsu;
 466
 467                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 468                         goto common_config;
 469
 470                 set_qd_dev_type = true;
 471
 472         }
 473
 474 common_config:
 475
 476         /*
 477          * Check if SATA drive
 478          */
 479         if (set_qd_dev_type) {
 480                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 481                         depth = 32;
 482                 else
 483                         depth = 64;
 484         }
 485
 486         /*
 487          * Firmware has an individual device recovery time typically
 488          * of 35 seconds, give us a margin. Thor devices can take longer in
 489          * error recovery, hence different value.
 490          */
 491         if (set_timeout) {
 492                 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
 493                 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
 494         }
 495
 496         if (depth > 256)
 497                 depth = 256;
 498         else if (depth < 1)
 499                 depth = 1;
 500
 501         scsi_change_queue_depth(sdev, depth);
 502
 503         sdev->tagged_supported = 1;
 504
 505         return 0;
 506 }
 507
 508 /**
 509  *      aac_change_queue_depth          -       alter queue depths
 510  *      @sdev:  SCSI device we are considering
 511  *      @depth: desired queue depth
 512  *
 513  *      Alters queue depths for target device based on the host adapter's
 514  *      total capacity and the queue depth supported by the target device.
 515  */
 516
 517 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 518 {
 519         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 520         int chn, tid, is_native_device = 0;
 521
 522         chn = aac_logical_to_phys(sdev_channel(sdev));
 523         tid = sdev_id(sdev);
 524         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 525                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 526                 is_native_device = 1;
 527
 528         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 529             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 530                 struct scsi_device * dev;
 531                 struct Scsi_Host *host = sdev->host;
 532                 unsigned num = 0;
 533
 534                 __shost_for_each_device(dev, host) {
 535                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 536                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 537                                 ++num;
 538                         ++num;
 539                 }
 540                 if (num >= host->can_queue)
 541                         num = host->can_queue - 1;
 542                 if (depth > (host->can_queue - num))
 543                         depth = host->can_queue - num;
 544                 if (depth > 256)
 545                         depth = 256;
 546                 else if (depth < 2)
 547                         depth = 2;
 548                 return scsi_change_queue_depth(sdev, depth);
 549         } else if (is_native_device) {
 550                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 551         } else {
 552                 scsi_change_queue_depth(sdev, 1);
 553         }
 554         return sdev->queue_depth;
 555 }
 556
 557 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 558 {
 559         struct scsi_device *sdev = to_scsi_device(dev);
 560         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 561         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 562                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 563                   ? "Hidden\n" :
 564                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 565         return snprintf(buf, PAGE_SIZE, "%s\n",
 566           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 567 }
 568
 569 static struct device_attribute aac_raid_level_attr = {
 570         .attr = {
 571                 .name = "level",
 572                 .mode = S_IRUGO,
 573         },
 574         .show = aac_show_raid_level
 575 };
 576
 577 static ssize_t aac_show_unique_id(struct device *dev,
 578              struct device_attribute *attr, char *buf)
 579 {
 580         struct scsi_device *sdev = to_scsi_device(dev);
 581         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 582         unsigned char sn[16];
 583
 584         memset(sn, 0, sizeof(sn));
 585
 586         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 587                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 588
 589         return snprintf(buf, 16 * 2 + 2,
 590                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 591                 sn[0], sn[1], sn[2], sn[3],
 592                 sn[4], sn[5], sn[6], sn[7],
 593                 sn[8], sn[9], sn[10], sn[11],
 594                 sn[12], sn[13], sn[14], sn[15]);
 595 }
 596
 597 static struct device_attribute aac_unique_id_attr = {
 598         .attr = {
 599                 .name = "unique_id",
 600                 .mode = 0444,
 601         },
 602         .show = aac_show_unique_id
 603 };
 604
 605
 606
 607 static struct attribute *aac_dev_attrs[] = {
 608         &aac_raid_level_attr.attr,
 609         &aac_unique_id_attr.attr,
 610         NULL,
 611 };
 612
 613 ATTRIBUTE_GROUPS(aac_dev);
 614
 615 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 616                      void __user *arg)
 617 {
 618         int retval;
 619         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 620         if (!capable(CAP_SYS_RAWIO))
 621                 return -EPERM;
 622         retval = aac_adapter_check_health(dev);
 623         if (retval)
 624                 return -EBUSY;
 625         return aac_do_ioctl(dev, cmd, arg);
 626 }
 627
 628 struct fib_count_data {
 629         int mlcnt;
 630         int llcnt;
 631         int ehcnt;
 632         int fwcnt;
 633         int krlcnt;
 634 };
 635
 636 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data, bool reserved)
 637 {
 638         struct fib_count_data *fib_count = data;
 639
 640         switch (aac_priv(scmnd)->owner) {
 641         case AAC_OWNER_FIRMWARE:
 642                 fib_count->fwcnt++;
 643                 break;
 644         case AAC_OWNER_ERROR_HANDLER:
 645                 fib_count->ehcnt++;
 646                 break;
 647         case AAC_OWNER_LOWLEVEL:
 648                 fib_count->llcnt++;
 649                 break;
 650         case AAC_OWNER_MIDLEVEL:
 651                 fib_count->mlcnt++;
 652                 break;
 653         default:
 654                 fib_count->krlcnt++;
 655                 break;
 656         }
 657         return true;
 658 }
 659
 660 /* Called during SCSI EH, so we don't need to block requests */
 661 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 662 {
 663         struct Scsi_Host *shost = aac->scsi_host_ptr;
 664         struct device *ctrl_dev;
 665         struct fib_count_data fcnt = { };
 666
 667         scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
 668
 669         ctrl_dev = &aac->pdev->dev;
 670
 671         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
 672         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
 673         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
 674         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
 675         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
 676
 677         return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
 678 }
 679
 680 static int aac_eh_abort(struct scsi_cmnd* cmd)
 681 {
 682         struct aac_cmd_priv *cmd_priv = aac_priv(cmd);
 683         struct scsi_device * dev = cmd->device;
 684         struct Scsi_Host * host = dev->host;
 685         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 686         int count, found;
 687         u32 bus, cid;
 688         int ret = FAILED;
 689
 690         if (aac_adapter_check_health(aac))
 691                 return ret;
 692
 693         bus = aac_logical_to_phys(scmd_channel(cmd));
 694         cid = scmd_id(cmd);
 695         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 696                 struct fib *fib;
 697                 struct aac_hba_tm_req *tmf;
 698                 int status;
 699                 u64 address;
 700
 701                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 702                  AAC_DRIVERNAME,
 703                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 704
 705                 found = 0;
 706                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 707                         fib = &aac->fibs[count];
 708                         if (*(u8 *)fib->hw_fib_va != 0 &&
 709                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 710                                 (fib->callback_data == cmd)) {
 711                                 found = 1;
 712                                 break;
 713                         }
 714                 }
 715                 if (!found)
 716                         return ret;
 717
 718                 /* start a HBA_TMF_ABORT_TASK TMF request */
 719                 fib = aac_fib_alloc(aac);
 720                 if (!fib)
 721                         return ret;
 722
 723                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 724                 memset(tmf, 0, sizeof(*tmf));
 725                 tmf->tmf = HBA_TMF_ABORT_TASK;
 726                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 727                 tmf->lun[1] = cmd->device->lun;
 728
 729                 address = (u64)fib->hw_error_pa;
 730                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 731                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 732                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 733
 734                 fib->hbacmd_size = sizeof(*tmf);
 735                 cmd_priv->sent_command = 0;
 736
 737                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 738                                   (fib_callback) aac_hba_callback,
 739                                   (void *) cmd);
 740                 if (status != -EINPROGRESS) {
 741                         aac_fib_complete(fib);
 742                         aac_fib_free(fib);
 743                         return ret;
 744                 }
 745                 /* Wait up to 15 secs for completion */
 746                 for (count = 0; count < 15; ++count) {
 747                         if (cmd_priv->sent_command) {
 748                                 ret = SUCCESS;
 749                                 break;
 750                         }
 751                         msleep(1000);
 752                 }
 753
 754                 if (ret != SUCCESS)
 755                         pr_err("%s: Host adapter abort request timed out\n",
 756                         AAC_DRIVERNAME);
 757         } else {
 758                 pr_err(
 759                         "%s: Host adapter abort request.\n"
 760                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 761                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 762                         host->host_no, sdev_channel(dev), sdev_id(dev),
 763                         (int)dev->lun);
 764                 switch (cmd->cmnd[0]) {
 765                 case SERVICE_ACTION_IN_16:
 766                         if (!(aac->raw_io_interface) ||
 767                             !(aac->raw_io_64) ||
 768                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 769                                 break;
 770                         fallthrough;
 771                 case INQUIRY:
 772                 case READ_CAPACITY:
 773                         /*
 774                          * Mark associated FIB to not complete,
 775                          * eh handler does this
 776                          */
 777                         for (count = 0;
 778                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 779                                 ++count) {
 780                                 struct fib *fib = &aac->fibs[count];
 781
 782                                 if (fib->hw_fib_va->header.XferState &&
 783                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 784                                 (fib->callback_data == cmd)) {
 785                                         fib->flags |=
 786                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 787                                         cmd_priv->owner =
 788                                                 AAC_OWNER_ERROR_HANDLER;
 789                                         ret = SUCCESS;
 790                                 }
 791                         }
 792                         break;
 793                 case TEST_UNIT_READY:
 794                         /*
 795                          * Mark associated FIB to not complete,
 796                          * eh handler does this
 797                          */
 798                         for (count = 0;
 799                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 800                                 ++count) {
 801                                 struct scsi_cmnd *command;
 802                                 struct fib *fib = &aac->fibs[count];
 803
 804                                 command = fib->callback_data;
 805
 806                                 if ((fib->hw_fib_va->header.XferState &
 807                                         cpu_to_le32
 808                                         (Async | NoResponseExpected)) &&
 809                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 810                                         ((command)) &&
 811                                         (command->device == cmd->device)) {
 812                                         fib->flags |=
 813                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 814                                         aac_priv(command)->owner =
 815                                                 AAC_OWNER_ERROR_HANDLER;
 816                                         if (command == cmd)
 817                                                 ret = SUCCESS;
 818                                 }
 819                         }
 820                         break;
 821                 }
 822         }
 823         return ret;
 824 }
 825
 826 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 827                                    struct fib *fib, u64 tmf_lun)
 828 {
 829         struct aac_hba_tm_req *tmf;
 830         u64 address;
 831
 832         /* start a HBA_TMF_LUN_RESET TMF request */
 833         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 834         memset(tmf, 0, sizeof(*tmf));
 835         tmf->tmf = HBA_TMF_LUN_RESET;
 836         tmf->it_nexus = info->rmw_nexus;
 837         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 838
 839         address = (u64)fib->hw_error_pa;
 840         tmf->error_ptr_hi = cpu_to_le32
 841                 ((u32)(address >> 32));
 842         tmf->error_ptr_lo = cpu_to_le32
 843                 ((u32)(address & 0xffffffff));
 844         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 845         fib->hbacmd_size = sizeof(*tmf);
 846
 847         return HBA_IU_TYPE_SCSI_TM_REQ;
 848 }
 849
 850 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 851                                     struct fib *fib)
 852 {
 853         struct aac_hba_reset_req *rst;
 854         u64 address;
 855
 856         /* already tried, start a hard reset now */
 857         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 858         memset(rst, 0, sizeof(*rst));
 859         rst->it_nexus = info->rmw_nexus;
 860
 861         address = (u64)fib->hw_error_pa;
 862         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 863         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 864         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 865         fib->hbacmd_size = sizeof(*rst);
 866
 867         return HBA_IU_TYPE_SATA_REQ;
 868 }
 869
 870 static void aac_tmf_callback(void *context, struct fib *fibptr)
 871 {
 872         struct aac_hba_resp *err =
 873                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 874         struct aac_hba_map_info *info = context;
 875         int res;
 876
 877         switch (err->service_response) {
 878         case HBA_RESP_SVCRES_TMF_REJECTED:
 879                 res = -1;
 880                 break;
 881         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 882                 res = 0;
 883                 break;
 884         case HBA_RESP_SVCRES_TMF_COMPLETE:
 885         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 886                 res = 0;
 887                 break;
 888         default:
 889                 res = -2;
 890                 break;
 891         }
 892         aac_fib_complete(fibptr);
 893
 894         info->reset_state = res;
 895 }
 896
 897 /*
 898  *      aac_eh_dev_reset        - Device reset command handling
 899  *      @scsi_cmd:      SCSI command block causing the reset
 900  *
 901  */
 902 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 903 {
 904         struct scsi_device * dev = cmd->device;
 905         struct Scsi_Host * host = dev->host;
 906         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 907         struct aac_hba_map_info *info;
 908         int count;
 909         u32 bus, cid;
 910         struct fib *fib;
 911         int ret = FAILED;
 912         int status;
 913         u8 command;
 914
 915         bus = aac_logical_to_phys(scmd_channel(cmd));
 916         cid = scmd_id(cmd);
 917
 918         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 919                 return FAILED;
 920
 921         info = &aac->hba_map[bus][cid];
 922
 923         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 924          !(info->reset_state > 0)))
 925                 return FAILED;
 926
 927         pr_err("%s: Host device reset request. SCSI hang ?\n",
 928                AAC_DRIVERNAME);
 929
 930         fib = aac_fib_alloc(aac);
 931         if (!fib)
 932                 return ret;
 933
 934         /* start a HBA_TMF_LUN_RESET TMF request */
 935         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 936
 937         info->reset_state = 1;
 938
 939         status = aac_hba_send(command, fib,
 940                               (fib_callback) aac_tmf_callback,
 941                               (void *) info);
 942         if (status != -EINPROGRESS) {
 943                 info->reset_state = 0;
 944                 aac_fib_complete(fib);
 945                 aac_fib_free(fib);
 946                 return ret;
 947         }
 948         /* Wait up to 15 seconds for completion */
 949         for (count = 0; count < 15; ++count) {
 950                 if (info->reset_state == 0) {
 951                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 952                         break;
 953                 }
 954                 msleep(1000);
 955         }
 956
 957         return ret;
 958 }
 959
 960 /*
 961  *      aac_eh_target_reset     - Target reset command handling
 962  *      @scsi_cmd:      SCSI command block causing the reset
 963  *
 964  */
 965 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 966 {
 967         struct scsi_device * dev = cmd->device;
 968         struct Scsi_Host * host = dev->host;
 969         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 970         struct aac_hba_map_info *info;
 971         int count;
 972         u32 bus, cid;
 973         int ret = FAILED;
 974         struct fib *fib;
 975         int status;
 976         u8 command;
 977
 978         bus = aac_logical_to_phys(scmd_channel(cmd));
 979         cid = scmd_id(cmd);
 980
 981         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 982                 return FAILED;
 983
 984         info = &aac->hba_map[bus][cid];
 985
 986         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 987          !(info->reset_state > 0)))
 988                 return FAILED;
 989
 990         pr_err("%s: Host target reset request. SCSI hang ?\n",
 991                AAC_DRIVERNAME);
 992
 993         fib = aac_fib_alloc(aac);
 994         if (!fib)
 995                 return ret;
 996
 997
 998         /* already tried, start a hard reset now */
 999         command = aac_eh_tmf_hard_reset_fib(info, fib);
1000
1001         info->reset_state = 2;
1002
1003         status = aac_hba_send(command, fib,
1004                               (fib_callback) aac_tmf_callback,
1005                               (void *) info);
1006
1007         if (status != -EINPROGRESS) {
1008                 info->reset_state = 0;
1009                 aac_fib_complete(fib);
1010                 aac_fib_free(fib);
1011                 return ret;
1012         }
1013
1014         /* Wait up to 15 seconds for completion */
1015         for (count = 0; count < 15; ++count) {
1016                 if (info->reset_state <= 0) {
1017                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
1018                         break;
1019                 }
1020                 msleep(1000);
1021         }
1022
1023         return ret;
1024 }
1025
1026 /*
1027  *      aac_eh_bus_reset        - Bus reset command handling
1028  *      @scsi_cmd:      SCSI command block causing the reset
1029  *
1030  */
1031 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1032 {
1033         struct scsi_device * dev = cmd->device;
1034         struct Scsi_Host * host = dev->host;
1035         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1036         int count;
1037         u32 cmd_bus;
1038         int status = 0;
1039
1040
1041         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1042         /* Mark the assoc. FIB to not complete, eh handler does this */
1043         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1044                 struct fib *fib = &aac->fibs[count];
1045
1046                 if (fib->hw_fib_va->header.XferState &&
1047                     (fib->flags & FIB_CONTEXT_FLAG) &&
1048                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1049                         struct aac_hba_map_info *info;
1050                         u32 bus, cid;
1051
1052                         cmd = (struct scsi_cmnd *)fib->callback_data;
1053                         bus = aac_logical_to_phys(scmd_channel(cmd));
1054                         if (bus != cmd_bus)
1055                                 continue;
1056                         cid = scmd_id(cmd);
1057                         info = &aac->hba_map[bus][cid];
1058                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1059                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1060                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1061                                 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;
1062                         }
1063                 }
1064         }
1065
1066         pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1067
1068         /*
1069          * Check the health of the controller
1070          */
1071         status = aac_adapter_check_health(aac);
1072         if (status)
1073                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1074
1075         count = get_num_of_incomplete_fibs(aac);
1076         return (count == 0) ? SUCCESS : FAILED;
1077 }
1078
1079 /*
1080  *      aac_eh_host_reset       - Host reset command handling
1081  *      @scsi_cmd:      SCSI command block causing the reset
1082  *
1083  */
1084 static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1085 {
1086         struct scsi_device * dev = cmd->device;
1087         struct Scsi_Host * host = dev->host;
1088         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1089         int ret = FAILED;
1090         __le32 supported_options2 = 0;
1091         bool is_mu_reset;
1092         bool is_ignore_reset;
1093         bool is_doorbell_reset;
1094
1095         /*
1096          * Check if reset is supported by the firmware
1097          */
1098         supported_options2 = aac->supplement_adapter_info.supported_options2;
1099         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1100         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1101         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1102         /*
1103          * This adapter needs a blind reset, only do so for
1104          * Adapters that support a register, instead of a commanded,
1105          * reset.
1106          */
1107         if ((is_mu_reset || is_doorbell_reset)
1108          && aac_check_reset
1109          && (aac_check_reset != -1 || !is_ignore_reset)) {
1110                 /* Bypass wait for command quiesce */
1111                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1112                         ret = SUCCESS;
1113         }
1114         /*
1115          * Reset EH state
1116          */
1117         if (ret == SUCCESS) {
1118                 int bus, cid;
1119                 struct aac_hba_map_info *info;
1120
1121                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1122                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1123                                 info = &aac->hba_map[bus][cid];
1124                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1125                                         info->reset_state = 0;
1126                         }
1127                 }
1128         }
1129         return ret;
1130 }
1131
1132 /**
1133  *      aac_cfg_open            -       open a configuration file
1134  *      @inode: inode being opened
1135  *      @file: file handle attached
1136  *
1137  *      Called when the configuration device is opened. Does the needed
1138  *      set up on the handle and then returns
1139  *
1140  *      Bugs: This needs extending to check a given adapter is present
1141  *      so we can support hot plugging, and to ref count adapters.
1142  */
1143
1144 static int aac_cfg_open(struct inode *inode, struct file *file)
1145 {
1146         struct aac_dev *aac;
1147         unsigned minor_number = iminor(inode);
1148         int err = -ENODEV;
1149
1150         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1151         list_for_each_entry(aac, &aac_devices, entry) {
1152                 if (aac->id == minor_number) {
1153                         file->private_data = aac;
1154                         err = 0;
1155                         break;
1156                 }
1157         }
1158         mutex_unlock(&aac_mutex);
1159
1160         return err;
1161 }
1162
1163 /**
1164  *      aac_cfg_ioctl           -       AAC configuration request
1165  *      @file: file handle
1166  *      @cmd: ioctl command code
1167  *      @arg: argument
1168  *
1169  *      Handles a configuration ioctl. Currently this involves wrapping it
1170  *      up and feeding it into the nasty windowsalike glue layer.
1171  *
1172  *      Bugs: Needs locking against parallel ioctls lower down
1173  *      Bugs: Needs to handle hot plugging
1174  */
1175
1176 static long aac_cfg_ioctl(struct file *file,
1177                 unsigned int cmd, unsigned long arg)
1178 {
1179         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1180
1181         if (!capable(CAP_SYS_RAWIO))
1182                 return -EPERM;
1183
1184         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1185 }
1186
1187 static ssize_t aac_show_model(struct device *device,
1188                               struct device_attribute *attr, char *buf)
1189 {
1190         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1191         int len;
1192
1193         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1194                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1195                 while (*cp && *cp != ' ')
1196                         ++cp;
1197                 while (*cp == ' ')
1198                         ++cp;
1199                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1200         } else
1201                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1202                   aac_drivers[dev->cardtype].model);
1203         return len;
1204 }
1205
1206 static ssize_t aac_show_vendor(struct device *device,
1207                                struct device_attribute *attr, char *buf)
1208 {
1209         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1210         struct aac_supplement_adapter_info *sup_adap_info;
1211         int len;
1212
1213         sup_adap_info = &dev->supplement_adapter_info;
1214         if (sup_adap_info->adapter_type_text[0]) {
1215                 char *cp = sup_adap_info->adapter_type_text;
1216                 while (*cp && *cp != ' ')
1217                         ++cp;
1218                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1219                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1220                                         sup_adap_info->adapter_type_text);
1221         } else
1222                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1223                         aac_drivers[dev->cardtype].vname);
1224         return len;
1225 }
1226
1227 static ssize_t aac_show_flags(struct device *cdev,
1228                               struct device_attribute *attr, char *buf)
1229 {
1230         int len = 0;
1231         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1232
1233         if (nblank(dprintk(x)))
1234                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1235 #ifdef AAC_DETAILED_STATUS_INFO
1236         len += scnprintf(buf + len, PAGE_SIZE - len,
1237                          "AAC_DETAILED_STATUS_INFO\n");
1238 #endif
1239         if (dev->raw_io_interface && dev->raw_io_64)
1240                 len += scnprintf(buf + len, PAGE_SIZE - len,
1241                                  "SAI_READ_CAPACITY_16\n");
1242         if (dev->jbod)
1243                 len += scnprintf(buf + len, PAGE_SIZE - len,
1244                                  "SUPPORTED_JBOD\n");
1245         if (dev->supplement_adapter_info.supported_options2 &
1246                 AAC_OPTION_POWER_MANAGEMENT)
1247                 len += scnprintf(buf + len, PAGE_SIZE - len,
1248                                  "SUPPORTED_POWER_MANAGEMENT\n");
1249         if (dev->msi)
1250                 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1251         return len;
1252 }
1253
1254 static ssize_t aac_show_kernel_version(struct device *device,
1255                                        struct device_attribute *attr,
1256                                        char *buf)
1257 {
1258         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1259         int len, tmp;
1260
1261         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1262         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1263           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1264           le32_to_cpu(dev->adapter_info.kernelbuild));
1265         return len;
1266 }
1267
1268 static ssize_t aac_show_monitor_version(struct device *device,
1269                                         struct device_attribute *attr,
1270                                         char *buf)
1271 {
1272         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1273         int len, tmp;
1274
1275         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1276         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1277           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1278           le32_to_cpu(dev->adapter_info.monitorbuild));
1279         return len;
1280 }
1281
1282 static ssize_t aac_show_bios_version(struct device *device,
1283                                      struct device_attribute *attr,
1284                                      char *buf)
1285 {
1286         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1287         int len, tmp;
1288
1289         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1290         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1291           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1292           le32_to_cpu(dev->adapter_info.biosbuild));
1293         return len;
1294 }
1295
1296 static ssize_t aac_show_driver_version(struct device *device,
1297                                         struct device_attribute *attr,
1298                                         char *buf)
1299 {
1300         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1301 }
1302
1303 static ssize_t aac_show_serial_number(struct device *device,
1304                                struct device_attribute *attr, char *buf)
1305 {
1306         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1307         int len = 0;
1308
1309         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1310                 len = snprintf(buf, 16, "%06X\n",
1311                   le32_to_cpu(dev->adapter_info.serial[0]));
1312         if (len &&
1313           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1314             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1315           buf, len-1))
1316                 len = snprintf(buf, 16, "%.*s\n",
1317                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1318                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1319
1320         return min(len, 16);
1321 }
1322
1323 static ssize_t aac_show_max_channel(struct device *device,
1324                                     struct device_attribute *attr, char *buf)
1325 {
1326         return snprintf(buf, PAGE_SIZE, "%d\n",
1327           class_to_shost(device)->max_channel);
1328 }
1329
1330 static ssize_t aac_show_max_id(struct device *device,
1331                                struct device_attribute *attr, char *buf)
1332 {
1333         return snprintf(buf, PAGE_SIZE, "%d\n",
1334           class_to_shost(device)->max_id);
1335 }
1336
1337 static ssize_t aac_store_reset_adapter(struct device *device,
1338                                        struct device_attribute *attr,
1339                                        const char *buf, size_t count)
1340 {
1341         int retval = -EACCES;
1342
1343         if (!capable(CAP_SYS_ADMIN))
1344                 return retval;
1345
1346         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1347                                         buf[0] == '!', IOP_HWSOFT_RESET);
1348         if (retval >= 0)
1349                 retval = count;
1350
1351         return retval;
1352 }
1353
1354 static ssize_t aac_show_reset_adapter(struct device *device,
1355                                       struct device_attribute *attr,
1356                                       char *buf)
1357 {
1358         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1359         int len, tmp;
1360
1361         tmp = aac_adapter_check_health(dev);
1362         if ((tmp == 0) && dev->in_reset)
1363                 tmp = -EBUSY;
1364         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1365         return len;
1366 }
1367
1368 static struct device_attribute aac_model = {
1369         .attr = {
1370                 .name = "model",
1371                 .mode = S_IRUGO,
1372         },
1373         .show = aac_show_model,
1374 };
1375 static struct device_attribute aac_vendor = {
1376         .attr = {
1377                 .name = "vendor",
1378                 .mode = S_IRUGO,
1379         },
1380         .show = aac_show_vendor,
1381 };
1382 static struct device_attribute aac_flags = {
1383         .attr = {
1384                 .name = "flags",
1385                 .mode = S_IRUGO,
1386         },
1387         .show = aac_show_flags,
1388 };
1389 static struct device_attribute aac_kernel_version = {
1390         .attr = {
1391                 .name = "hba_kernel_version",
1392                 .mode = S_IRUGO,
1393         },
1394         .show = aac_show_kernel_version,
1395 };
1396 static struct device_attribute aac_monitor_version = {
1397         .attr = {
1398                 .name = "hba_monitor_version",
1399                 .mode = S_IRUGO,
1400         },
1401         .show = aac_show_monitor_version,
1402 };
1403 static struct device_attribute aac_bios_version = {
1404         .attr = {
1405                 .name = "hba_bios_version",
1406                 .mode = S_IRUGO,
1407         },
1408         .show = aac_show_bios_version,
1409 };
1410 static struct device_attribute aac_lld_version = {
1411         .attr = {
1412                 .name = "driver_version",
1413                 .mode = 0444,
1414         },
1415         .show = aac_show_driver_version,
1416 };
1417 static struct device_attribute aac_serial_number = {
1418         .attr = {
1419                 .name = "serial_number",
1420                 .mode = S_IRUGO,
1421         },
1422         .show = aac_show_serial_number,
1423 };
1424 static struct device_attribute aac_max_channel = {
1425         .attr = {
1426                 .name = "max_channel",
1427                 .mode = S_IRUGO,
1428         },
1429         .show = aac_show_max_channel,
1430 };
1431 static struct device_attribute aac_max_id = {
1432         .attr = {
1433                 .name = "max_id",
1434                 .mode = S_IRUGO,
1435         },
1436         .show = aac_show_max_id,
1437 };
1438 static struct device_attribute aac_reset = {
1439         .attr = {
1440                 .name = "reset_host",
1441                 .mode = S_IWUSR|S_IRUGO,
1442         },
1443         .store = aac_store_reset_adapter,
1444         .show = aac_show_reset_adapter,
1445 };
1446
1447 static struct attribute *aac_host_attrs[] = {
1448         &aac_model.attr,
1449         &aac_vendor.attr,
1450         &aac_flags.attr,
1451         &aac_kernel_version.attr,
1452         &aac_monitor_version.attr,
1453         &aac_bios_version.attr,
1454         &aac_lld_version.attr,
1455         &aac_serial_number.attr,
1456         &aac_max_channel.attr,
1457         &aac_max_id.attr,
1458         &aac_reset.attr,
1459         NULL
1460 };
1461
1462 ATTRIBUTE_GROUPS(aac_host);
1463
1464 ssize_t aac_get_serial_number(struct device *device, char *buf)
1465 {
1466         return aac_show_serial_number(device, &aac_serial_number, buf);
1467 }
1468
1469 static const struct file_operations aac_cfg_fops = {
1470         .owner          = THIS_MODULE,
1471         .unlocked_ioctl = aac_cfg_ioctl,
1472 #ifdef CONFIG_COMPAT
1473         .compat_ioctl   = aac_cfg_ioctl,
1474 #endif
1475         .open           = aac_cfg_open,
1476         .llseek         = noop_llseek,
1477 };
1478
1479 static struct scsi_host_template aac_driver_template = {
1480         .module                         = THIS_MODULE,
1481         .name                           = "AAC",
1482         .proc_name                      = AAC_DRIVERNAME,
1483         .info                           = aac_info,
1484         .ioctl                          = aac_ioctl,
1485 #ifdef CONFIG_COMPAT
1486         .compat_ioctl                   = aac_ioctl,
1487 #endif
1488         .queuecommand                   = aac_queuecommand,
1489         .bios_param                     = aac_biosparm,
1490         .shost_groups                   = aac_host_groups,
1491         .slave_configure                = aac_slave_configure,
1492         .change_queue_depth             = aac_change_queue_depth,
1493         .sdev_groups                    = aac_dev_groups,
1494         .eh_abort_handler               = aac_eh_abort,
1495         .eh_device_reset_handler        = aac_eh_dev_reset,
1496         .eh_target_reset_handler        = aac_eh_target_reset,
1497         .eh_bus_reset_handler           = aac_eh_bus_reset,
1498         .eh_host_reset_handler          = aac_eh_host_reset,
1499         .can_queue                      = AAC_NUM_IO_FIB,
1500         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1501         .sg_tablesize                   = 16,
1502         .max_sectors                    = 128,
1503 #if (AAC_NUM_IO_FIB > 256)
1504         .cmd_per_lun                    = 256,
1505 #else
1506         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1507 #endif
1508         .emulated                       = 1,
1509         .no_write_same                  = 1,
1510         .cmd_size                       = sizeof(struct aac_cmd_priv),
1511 };
1512
1513 static void __aac_shutdown(struct aac_dev * aac)
1514 {
1515         int i;
1516
1517         mutex_lock(&aac->ioctl_mutex);
1518         aac->adapter_shutdown = 1;
1519         mutex_unlock(&aac->ioctl_mutex);
1520
1521         if (aac->aif_thread) {
1522                 int i;
1523                 /* Clear out events first */
1524                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1525                         struct fib *fib = &aac->fibs[i];
1526                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1527                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1528                                 complete(&fib->event_wait);
1529                 }
1530                 kthread_stop(aac->thread);
1531                 aac->thread = NULL;
1532         }
1533
1534         aac_send_shutdown(aac);
1535
1536         aac_adapter_disable_int(aac);
1537
1538         if (aac_is_src(aac)) {
1539                 if (aac->max_msix > 1) {
1540                         for (i = 0; i < aac->max_msix; i++) {
1541                                 free_irq(pci_irq_vector(aac->pdev, i),
1542                                          &(aac->aac_msix[i]));
1543                         }
1544                 } else {
1545                         free_irq(aac->pdev->irq,
1546                                  &(aac->aac_msix[0]));
1547                 }
1548         } else {
1549                 free_irq(aac->pdev->irq, aac);
1550         }
1551         if (aac->msi)
1552                 pci_disable_msi(aac->pdev);
1553         else if (aac->max_msix > 1)
1554                 pci_disable_msix(aac->pdev);
1555 }
1556 static void aac_init_char(void)
1557 {
1558         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1559         if (aac_cfg_major < 0) {
1560                 pr_err("aacraid: unable to register \"aac\" device.\n");
1561         }
1562 }
1563
1564 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1565 {
1566         /*
1567          * Firmware may send a AIF messages very early and the Driver may have
1568          * ignored as it is not fully ready to process the messages. Send
1569          * AIF to firmware so that if there are any unprocessed events they
1570          * can be processed now.
1571          */
1572         if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1573                 aac_intr_normal(aac, 0, 2, 0, NULL);
1574
1575 }
1576
1577 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1578 {
1579         unsigned index = id->driver_data;
1580         struct Scsi_Host *shost;
1581         struct aac_dev *aac;
1582         struct list_head *insert = &aac_devices;
1583         int error;
1584         int unique_id = 0;
1585         u64 dmamask;
1586         int mask_bits = 0;
1587         extern int aac_sync_mode;
1588
1589         /*
1590          * Only series 7 needs freset.
1591          */
1592         if (pdev->device == PMC_DEVICE_S7)
1593                 pdev->needs_freset = 1;
1594
1595         list_for_each_entry(aac, &aac_devices, entry) {
1596                 if (aac->id > unique_id)
1597                         break;
1598                 insert = &aac->entry;
1599                 unique_id++;
1600         }
1601
1602         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1603                                PCIE_LINK_STATE_CLKPM);
1604
1605         error = pci_enable_device(pdev);
1606         if (error)
1607                 goto out;
1608
1609         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1610                 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
1611                 if (error) {
1612                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1613                         goto out_disable_pdev;
1614                 }
1615         }
1616
1617         /*
1618          * If the quirk31 bit is set, the adapter needs adapter
1619          * to driver communication memory to be allocated below 2gig
1620          */
1621         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1622                 dmamask = DMA_BIT_MASK(31);
1623                 mask_bits = 31;
1624         } else {
1625                 dmamask = DMA_BIT_MASK(32);
1626                 mask_bits = 32;
1627         }
1628
1629         error = dma_set_coherent_mask(&pdev->dev, dmamask);
1630         if (error) {
1631                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1632                                 , mask_bits);
1633                 goto out_disable_pdev;
1634         }
1635
1636         pci_set_master(pdev);
1637
1638         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1639         if (!shost) {
1640                 error = -ENOMEM;
1641                 goto out_disable_pdev;
1642         }
1643
1644         shost->irq = pdev->irq;
1645         shost->unique_id = unique_id;
1646         shost->max_cmd_len = 16;
1647
1648         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1649                 aac_init_char();
1650
1651         aac = (struct aac_dev *)shost->hostdata;
1652         aac->base_start = pci_resource_start(pdev, 0);
1653         aac->scsi_host_ptr = shost;
1654         aac->pdev = pdev;
1655         aac->name = aac_driver_template.name;
1656         aac->id = shost->unique_id;
1657         aac->cardtype = index;
1658         INIT_LIST_HEAD(&aac->entry);
1659
1660         if (aac_reset_devices || reset_devices)
1661                 aac->init_reset = true;
1662
1663         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1664                             sizeof(struct fib),
1665                             GFP_KERNEL);
1666         if (!aac->fibs) {
1667                 error = -ENOMEM;
1668                 goto out_free_host;
1669         }
1670
1671         spin_lock_init(&aac->fib_lock);
1672
1673         mutex_init(&aac->ioctl_mutex);
1674         mutex_init(&aac->scan_mutex);
1675
1676         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1677         INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1678                                 aac_src_reinit_aif_worker);
1679         /*
1680          *      Map in the registers from the adapter.
1681          */
1682         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1683         if ((*aac_drivers[index].init)(aac)) {
1684                 error = -ENODEV;
1685                 goto out_unmap;
1686         }
1687
1688         if (aac->sync_mode) {
1689                 if (aac_sync_mode)
1690                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1691                                 "by driver parameter. This will cause "
1692                                 "a significant performance decrease!\n",
1693                                 aac->name,
1694                                 aac->id);
1695                 else
1696                         printk(KERN_INFO "%s%d: Async. mode not supported "
1697                                 "by current driver, sync. mode enforced."
1698                                 "\nPlease update driver to get full performance.\n",
1699                                 aac->name,
1700                                 aac->id);
1701         }
1702
1703         /*
1704          *      Start any kernel threads needed
1705          */
1706         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1707         if (IS_ERR(aac->thread)) {
1708                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1709                 error = PTR_ERR(aac->thread);
1710                 aac->thread = NULL;
1711                 goto out_deinit;
1712         }
1713
1714         aac->maximum_num_channels = aac_drivers[index].channels;
1715         error = aac_get_adapter_info(aac);
1716         if (error < 0)
1717                 goto out_deinit;
1718
1719         /*
1720          * Lets override negotiations and drop the maximum SG limit to 34
1721          */
1722         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1723                         (shost->sg_tablesize > 34)) {
1724                 shost->sg_tablesize = 34;
1725                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1726         }
1727
1728         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1729                         (shost->sg_tablesize > 17)) {
1730                 shost->sg_tablesize = 17;
1731                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1732         }
1733
1734         if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1735                 shost->max_segment_size = shost->max_sectors << 9;
1736         else
1737                 shost->max_segment_size = 65536;
1738
1739         /*
1740          * Firmware printf works only with older firmware.
1741          */
1742         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1743                 aac->printf_enabled = 1;
1744         else
1745                 aac->printf_enabled = 0;
1746
1747         /*
1748          * max channel will be the physical channels plus 1 virtual channel
1749          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1750          * physical channels are address by their actual physical number+1
1751          */
1752         if (aac->nondasd_support || expose_physicals || aac->jbod)
1753                 shost->max_channel = aac->maximum_num_channels;
1754         else
1755                 shost->max_channel = 0;
1756
1757         aac_get_config_status(aac, 0);
1758         aac_get_containers(aac);
1759         list_add(&aac->entry, insert);
1760
1761         shost->max_id = aac->maximum_num_containers;
1762         if (shost->max_id < aac->maximum_num_physicals)
1763                 shost->max_id = aac->maximum_num_physicals;
1764         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1765                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1766         else
1767                 shost->this_id = shost->max_id;
1768
1769         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1770                 aac_intr_normal(aac, 0, 2, 0, NULL);
1771
1772         /*
1773          * dmb - we may need to move the setting of these parms somewhere else once
1774          * we get a fib that can report the actual numbers
1775          */
1776         shost->max_lun = AAC_MAX_LUN;
1777
1778         pci_set_drvdata(pdev, shost);
1779
1780         error = scsi_add_host(shost, &pdev->dev);
1781         if (error)
1782                 goto out_deinit;
1783
1784         aac_scan_host(aac);
1785
1786         pci_enable_pcie_error_reporting(pdev);
1787         pci_save_state(pdev);
1788
1789         return 0;
1790
1791  out_deinit:
1792         __aac_shutdown(aac);
1793  out_unmap:
1794         aac_fib_map_free(aac);
1795         if (aac->comm_addr)
1796                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1797                                   aac->comm_addr, aac->comm_phys);
1798         kfree(aac->queues);
1799         aac_adapter_ioremap(aac, 0);
1800         kfree(aac->fibs);
1801         kfree(aac->fsa_dev);
1802  out_free_host:
1803         scsi_host_put(shost);
1804  out_disable_pdev:
1805         pci_disable_device(pdev);
1806  out:
1807         return error;
1808 }
1809
1810 static void aac_release_resources(struct aac_dev *aac)
1811 {
1812         aac_adapter_disable_int(aac);
1813         aac_free_irq(aac);
1814 }
1815
1816 static int aac_acquire_resources(struct aac_dev *dev)
1817 {
1818         unsigned long status;
1819         /*
1820          *      First clear out all interrupts.  Then enable the one's that we
1821          *      can handle.
1822          */
1823         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1824                 || status == 0xffffffff)
1825                         msleep(20);
1826
1827         aac_adapter_disable_int(dev);
1828         aac_adapter_enable_int(dev);
1829
1830
1831         if (aac_is_src(dev))
1832                 aac_define_int_mode(dev);
1833
1834         if (dev->msi_enabled)
1835                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1836
1837         if (aac_acquire_irq(dev))
1838                 goto error_iounmap;
1839
1840         aac_adapter_enable_int(dev);
1841
1842         /*max msix may change  after EEH
1843          * Re-assign vectors to fibs
1844          */
1845         aac_fib_vector_assign(dev);
1846
1847         if (!dev->sync_mode) {
1848                 /* After EEH recovery or suspend resume, max_msix count
1849                  * may change, therefore updating in init as well.
1850                  */
1851                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1852                 aac_adapter_start(dev);
1853         }
1854         return 0;
1855
1856 error_iounmap:
1857         return -1;
1858
1859 }
1860
1861 static int __maybe_unused aac_suspend(struct device *dev)
1862 {
1863         struct Scsi_Host *shost = dev_get_drvdata(dev);
1864         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1865
1866         scsi_host_block(shost);
1867         aac_cancel_rescan_worker(aac);
1868         aac_send_shutdown(aac);
1869
1870         aac_release_resources(aac);
1871
1872         return 0;
1873 }
1874
1875 static int __maybe_unused aac_resume(struct device *dev)
1876 {
1877         struct Scsi_Host *shost = dev_get_drvdata(dev);
1878         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1879
1880         if (aac_acquire_resources(aac))
1881                 goto fail_device;
1882         /*
1883         * reset this flag to unblock ioctl() as it was set at
1884         * aac_send_shutdown() to block ioctls from upperlayer
1885         */
1886         aac->adapter_shutdown = 0;
1887         scsi_host_unblock(shost, SDEV_RUNNING);
1888
1889         return 0;
1890
1891 fail_device:
1892         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1893         scsi_host_put(shost);
1894         return -ENODEV;
1895 }
1896
1897 static void aac_shutdown(struct pci_dev *dev)
1898 {
1899         struct Scsi_Host *shost = pci_get_drvdata(dev);
1900
1901         scsi_host_block(shost);
1902         __aac_shutdown((struct aac_dev *)shost->hostdata);
1903 }
1904
1905 static void aac_remove_one(struct pci_dev *pdev)
1906 {
1907         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1908         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1909
1910         aac_cancel_rescan_worker(aac);
1911         scsi_remove_host(shost);
1912
1913         __aac_shutdown(aac);
1914         aac_fib_map_free(aac);
1915         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1916                           aac->comm_phys);
1917         kfree(aac->queues);
1918
1919         aac_adapter_ioremap(aac, 0);
1920
1921         kfree(aac->fibs);
1922         kfree(aac->fsa_dev);
1923
1924         list_del(&aac->entry);
1925         scsi_host_put(shost);
1926         pci_disable_device(pdev);
1927         if (list_empty(&aac_devices)) {
1928                 unregister_chrdev(aac_cfg_major, "aac");
1929                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1930         }
1931 }
1932
1933 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1934                                         pci_channel_state_t error)
1935 {
1936         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1937         struct aac_dev *aac = shost_priv(shost);
1938
1939         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1940
1941         switch (error) {
1942         case pci_channel_io_normal:
1943                 return PCI_ERS_RESULT_CAN_RECOVER;
1944         case pci_channel_io_frozen:
1945                 aac->handle_pci_error = 1;
1946
1947                 scsi_host_block(shost);
1948                 aac_cancel_rescan_worker(aac);
1949                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1950                 aac_release_resources(aac);
1951
1952                 pci_disable_pcie_error_reporting(pdev);
1953                 aac_adapter_ioremap(aac, 0);
1954
1955                 return PCI_ERS_RESULT_NEED_RESET;
1956         case pci_channel_io_perm_failure:
1957                 aac->handle_pci_error = 1;
1958
1959                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1960                 return PCI_ERS_RESULT_DISCONNECT;
1961         }
1962
1963         return PCI_ERS_RESULT_NEED_RESET;
1964 }
1965
1966 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1967 {
1968         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1969         return PCI_ERS_RESULT_NEED_RESET;
1970 }
1971
1972 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1973 {
1974         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1975         pci_restore_state(pdev);
1976         if (pci_enable_device(pdev)) {
1977                 dev_warn(&pdev->dev,
1978                         "aacraid: failed to enable slave\n");
1979                 goto fail_device;
1980         }
1981
1982         pci_set_master(pdev);
1983
1984         if (pci_enable_device_mem(pdev)) {
1985                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1986                 goto fail_device;
1987         }
1988
1989         return PCI_ERS_RESULT_RECOVERED;
1990
1991 fail_device:
1992         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1993         return PCI_ERS_RESULT_DISCONNECT;
1994 }
1995
1996
1997 static void aac_pci_resume(struct pci_dev *pdev)
1998 {
1999         struct Scsi_Host *shost = pci_get_drvdata(pdev);
2000         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2001
2002         if (aac_adapter_ioremap(aac, aac->base_size)) {
2003
2004                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2005                 /* remap failed, go back ... */
2006                 aac->comm_interface = AAC_COMM_PRODUCER;
2007                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2008                         dev_warn(&pdev->dev,
2009                                 "aacraid: unable to map adapter.\n");
2010
2011                         return;
2012                 }
2013         }
2014
2015         msleep(10000);
2016
2017         aac_acquire_resources(aac);
2018
2019         /*
2020          * reset this flag to unblock ioctl() as it was set
2021          * at aac_send_shutdown() to block ioctls from upperlayer
2022          */
2023         aac->adapter_shutdown = 0;
2024         aac->handle_pci_error = 0;
2025
2026         scsi_host_unblock(shost, SDEV_RUNNING);
2027         aac_scan_host(aac);
2028         pci_save_state(pdev);
2029
2030         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2031 }
2032
2033 static struct pci_error_handlers aac_pci_err_handler = {
2034         .error_detected         = aac_pci_error_detected,
2035         .mmio_enabled           = aac_pci_mmio_enabled,
2036         .slot_reset             = aac_pci_slot_reset,
2037         .resume                 = aac_pci_resume,
2038 };
2039
2040 static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
2041
2042 static struct pci_driver aac_pci_driver = {
2043         .name           = AAC_DRIVERNAME,
2044         .id_table       = aac_pci_tbl,
2045         .probe          = aac_probe_one,
2046         .remove         = aac_remove_one,
2047         .driver.pm      = &aac_pm_ops,
2048         .shutdown       = aac_shutdown,
2049         .err_handler    = &aac_pci_err_handler,
2050 };
2051
2052 static int __init aac_init(void)
2053 {
2054         int error;
2055
2056         printk(KERN_INFO "Adaptec %s driver %s\n",
2057           AAC_DRIVERNAME, aac_driver_version);
2058
2059         error = pci_register_driver(&aac_pci_driver);
2060         if (error < 0)
2061                 return error;
2062
2063         aac_init_char();
2064
2065
2066         return 0;
2067 }
2068
2069 static void __exit aac_exit(void)
2070 {
2071         if (aac_cfg_major > -1)
2072                 unregister_chrdev(aac_cfg_major, "aac");
2073         pci_unregister_driver(&aac_pci_driver);
2074 }
2075
2076 module_init(aac_init);
2077 module_exit(aac_exit);