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/slab.h>
  30 #include <linux/mutex.h>
  31 #include <linux/spinlock.h>
  32 #include <linux/syscalls.h>
  33 #include <linux/delay.h>
  34 #include <linux/kthread.h>
  35 #include <linux/msdos_partition.h>
  36
  37 #include <scsi/scsi.h>
  38 #include <scsi/scsi_cmnd.h>
  39 #include <scsi/scsi_device.h>
  40 #include <scsi/scsi_host.h>
  41 #include <scsi/scsi_tcq.h>
  42 #include <scsi/scsicam.h>
  43 #include <scsi/scsi_eh.h>
  44
  45 #include "aacraid.h"
  46
  47 #define AAC_DRIVER_VERSION              "1.2.1"
  48 #ifndef AAC_DRIVER_BRANCH
  49 #define AAC_DRIVER_BRANCH               ""
  50 #endif
  51 #define AAC_DRIVERNAME                  "aacraid"
  52
  53 #ifdef AAC_DRIVER_BUILD
  54 #define _str(x) #x
  55 #define str(x) _str(x)
  56 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
  57 #else
  58 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
  59 #endif
  60
  61 MODULE_AUTHOR("Red Hat Inc and Adaptec");
  62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
  63                    "Adaptec Advanced Raid Products, "
  64                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
  65 MODULE_LICENSE("GPL");
  66 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
  67
  68 static DEFINE_MUTEX(aac_mutex);
  69 static LIST_HEAD(aac_devices);
  70 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
  71 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
  72
  73 /*
  74  * Because of the way Linux names scsi devices, the order in this table has
  75  * become important.  Check for on-board Raid first, add-in cards second.
  76  *
  77  * Note: The last field is used to index into aac_drivers below.
  78  */
  79 static const struct pci_device_id aac_pci_tbl[] = {
  80         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
  81         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
  82         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
  83         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
  84         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
  85         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
  86         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
  87         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
  88         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
  89         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
  90         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
  91         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
  92         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
  93         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
  94         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
  95         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
  96
  97         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
  98         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
  99         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 100         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 101         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 102         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
 103         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
 104         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
 105         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
 106         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
 107         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
 108         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
 109         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
 110         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
 111         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
 112         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
 113         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
 114         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
 115         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
 116         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
 117         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 118         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 119         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 120         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 121         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 122         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 123         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 124         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
 125         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
 126         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
 127         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
 128         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
 129         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
 130         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 131         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
 132         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
 133         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
 134         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
 135
 136         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
 137         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
 138         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
 139         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
 140         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
 141
 142         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
 143         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 144         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 145         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
 146         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 147         { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
 148         { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
 149         { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
 150         { 0,}
 151 };
 152 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
 153
 154 /*
 155  * dmb - For now we add the number of channels to this structure.
 156  * In the future we should add a fib that reports the number of channels
 157  * for the card.  At that time we can remove the channels from here
 158  */
 159 static struct aac_driver_ident aac_drivers[] = {
 160         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
 161         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
 162         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
 163         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
 164         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
 165         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
 166         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
 167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
 168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
 169         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
 170         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
 171         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
 172         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
 173         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
 174         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
 175         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
 176
 177         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
 178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
 179         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
 180         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
 181         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
 182         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
 183         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
 184         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
 185         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
 186         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
 187         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
 188         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
 189         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
 190         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
 191         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
 192         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
 193         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
 194         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
 195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
 196         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
 197         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
 198         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
 199         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
 200         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
 201         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
 202         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
 203         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
 204         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
 205         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
 206         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
 207         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
 208         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
 209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
 210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
 211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
 212         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
 213
 214         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
 215         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 216         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
 217         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
 218         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
 219
 220         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
 221         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
 222         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
 223         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
 224         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID           ", 2 }, /* Adaptec NEMER/ARK Catch All */
 225         { aac_src_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
 226         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
 227         { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
 228 };
 229
 230 /**
 231  *      aac_queuecommand        -       queue a SCSI command
 232  *      @shost:         Scsi host to queue command on
 233  *      @cmd:           SCSI command to queue
 234  *
 235  *      Queues a command for execution by the associated Host Adapter.
 236  *
 237  *      TODO: unify with aac_scsi_cmd().
 238  */
 239
 240 static int aac_queuecommand(struct Scsi_Host *shost,
 241                             struct scsi_cmnd *cmd)
 242 {
 243         aac_priv(cmd)->owner = AAC_OWNER_LOWLEVEL;
 244
 245         return aac_scsi_cmd(cmd) ? FAILED : 0;
 246 }
 247
 248 /**
 249  *      aac_info                -       Returns the host adapter name
 250  *      @shost:         Scsi host to report on
 251  *
 252  *      Returns a static string describing the device in question
 253  */
 254
 255 static const char *aac_info(struct Scsi_Host *shost)
 256 {
 257         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
 258         return aac_drivers[dev->cardtype].name;
 259 }
 260
 261 /**
 262  *      aac_get_driver_ident
 263  *      @devtype: index into lookup table
 264  *
 265  *      Returns a pointer to the entry in the driver lookup table.
 266  */
 267
 268 struct aac_driver_ident* aac_get_driver_ident(int devtype)
 269 {
 270         return &aac_drivers[devtype];
 271 }
 272
 273 /**
 274  *      aac_biosparm    -       return BIOS parameters for disk
 275  *      @sdev: The scsi device corresponding to the disk
 276  *      @bdev: the block device corresponding to the disk
 277  *      @capacity: the sector capacity of the disk
 278  *      @geom: geometry block to fill in
 279  *
 280  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
 281  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
 282  *      number of cylinders so as not to exceed drive capacity.  In order for
 283  *      disks equal to or larger than 1 GB to be addressable by the BIOS
 284  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
 285  *      Translation should be enabled.   With Extended Translation enabled,
 286  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
 287  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
 288  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
 289  *      the BIOS detects that the Extended Translation setting does not match
 290  *      the geometry in the partition table, then the translation inferred
 291  *      from the partition table will be used by the BIOS, and a warning may
 292  *      be displayed.
 293  */
 294
 295 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
 296                         sector_t capacity, int *geom)
 297 {
 298         struct diskparm *param = (struct diskparm *)geom;
 299         unsigned char *buf;
 300
 301         dprintk((KERN_DEBUG "aac_biosparm.\n"));
 302
 303         /*
 304          *      Assuming extended translation is enabled - #REVISIT#
 305          */
 306         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
 307                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
 308                         param->heads = 255;
 309                         param->sectors = 63;
 310                 } else {
 311                         param->heads = 128;
 312                         param->sectors = 32;
 313                 }
 314         } else {
 315                 param->heads = 64;
 316                 param->sectors = 32;
 317         }
 318
 319         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 320
 321         /*
 322          *      Read the first 1024 bytes from the disk device, if the boot
 323          *      sector partition table is valid, search for a partition table
 324          *      entry whose end_head matches one of the standard geometry
 325          *      translations ( 64/32, 128/32, 255/63 ).
 326          */
 327         buf = scsi_bios_ptable(bdev);
 328         if (!buf)
 329                 return 0;
 330         if (*(__le16 *)(buf + 0x40) == cpu_to_le16(MSDOS_LABEL_MAGIC)) {
 331                 struct msdos_partition *first = (struct msdos_partition *)buf;
 332                 struct msdos_partition *entry = first;
 333                 int saved_cylinders = param->cylinders;
 334                 int num;
 335                 unsigned char end_head, end_sec;
 336
 337                 for(num = 0; num < 4; num++) {
 338                         end_head = entry->end_head;
 339                         end_sec = entry->end_sector & 0x3f;
 340
 341                         if(end_head == 63) {
 342                                 param->heads = 64;
 343                                 param->sectors = 32;
 344                                 break;
 345                         } else if(end_head == 127) {
 346                                 param->heads = 128;
 347                                 param->sectors = 32;
 348                                 break;
 349                         } else if(end_head == 254) {
 350                                 param->heads = 255;
 351                                 param->sectors = 63;
 352                                 break;
 353                         }
 354                         entry++;
 355                 }
 356
 357                 if (num == 4) {
 358                         end_head = first->end_head;
 359                         end_sec = first->end_sector & 0x3f;
 360                 }
 361
 362                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
 363                 if (num < 4 && end_sec == param->sectors) {
 364                         if (param->cylinders != saved_cylinders) {
 365                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
 366                                         param->heads, param->sectors, num));
 367                         }
 368                 } else if (end_head > 0 || end_sec > 0) {
 369                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
 370                                 end_head + 1, end_sec, num));
 371                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
 372                                         param->heads, param->sectors));
 373                 }
 374         }
 375         kfree(buf);
 376         return 0;
 377 }
 378
 379 /**
 380  *      aac_slave_configure             -       compute queue depths
 381  *      @sdev:  SCSI device we are considering
 382  *
 383  *      Selects queue depths for each target device based on the host adapter's
 384  *      total capacity and the queue depth supported by the target device.
 385  *      A queue depth of one automatically disables tagged queueing.
 386  */
 387
 388 static int aac_slave_configure(struct scsi_device *sdev)
 389 {
 390         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 391         int chn, tid;
 392         unsigned int depth = 0;
 393         unsigned int set_timeout = 0;
 394         int timeout = 0;
 395         bool set_qd_dev_type = false;
 396         u8 devtype = 0;
 397
 398         chn = aac_logical_to_phys(sdev_channel(sdev));
 399         tid = sdev_id(sdev);
 400         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 401                 devtype = aac->hba_map[chn][tid].devtype;
 402
 403                 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
 404                         depth = aac->hba_map[chn][tid].qd_limit;
 405                         set_timeout = 1;
 406                         goto common_config;
 407                 }
 408                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 409                         set_qd_dev_type = true;
 410                         set_timeout = 1;
 411                         goto common_config;
 412                 }
 413         }
 414
 415         if (aac->jbod && (sdev->type == TYPE_DISK))
 416                 sdev->removable = 1;
 417
 418         if (sdev->type == TYPE_DISK
 419          && sdev_channel(sdev) != CONTAINER_CHANNEL
 420          && (!aac->jbod || sdev->inq_periph_qual)
 421          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 422
 423                 if (expose_physicals == 0)
 424                         return -ENXIO;
 425
 426                 if (expose_physicals < 0)
 427                         sdev->no_uld_attach = 1;
 428         }
 429
 430         if (sdev->tagged_supported
 431          &&  sdev->type == TYPE_DISK
 432          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 433          && !sdev->no_uld_attach) {
 434
 435                 struct scsi_device * dev;
 436                 struct Scsi_Host *host = sdev->host;
 437                 unsigned num_lsu = 0;
 438                 unsigned num_one = 0;
 439                 unsigned cid;
 440
 441                 set_timeout = 1;
 442
 443                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 444                         if (aac->fsa_dev[cid].valid)
 445                                 ++num_lsu;
 446
 447                 __shost_for_each_device(dev, host) {
 448                         if (dev->tagged_supported
 449                          && dev->type == TYPE_DISK
 450                          && (!aac->raid_scsi_mode || (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                                 }
 456                         } else {
 457                                 ++num_one;
 458                         }
 459                 }
 460
 461                 if (num_lsu == 0)
 462                         ++num_lsu;
 463
 464                 depth = (host->can_queue - num_one) / num_lsu;
 465
 466                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 467                         goto common_config;
 468
 469                 set_qd_dev_type = true;
 470
 471         }
 472
 473 common_config:
 474
 475         /*
 476          * Check if SATA drive
 477          */
 478         if (set_qd_dev_type) {
 479                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 480                         depth = 32;
 481                 else
 482                         depth = 64;
 483         }
 484
 485         /*
 486          * Firmware has an individual device recovery time typically
 487          * of 35 seconds, give us a margin. Thor devices can take longer in
 488          * error recovery, hence different value.
 489          */
 490         if (set_timeout) {
 491                 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
 492                 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
 493         }
 494
 495         if (depth > 256)
 496                 depth = 256;
 497         else if (depth < 1)
 498                 depth = 1;
 499
 500         scsi_change_queue_depth(sdev, depth);
 501
 502         sdev->tagged_supported = 1;
 503
 504         return 0;
 505 }
 506
 507 /**
 508  *      aac_change_queue_depth          -       alter queue depths
 509  *      @sdev:  SCSI device we are considering
 510  *      @depth: desired queue depth
 511  *
 512  *      Alters queue depths for target device based on the host adapter's
 513  *      total capacity and the queue depth supported by the target device.
 514  */
 515
 516 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 517 {
 518         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 519         int chn, tid, is_native_device = 0;
 520
 521         chn = aac_logical_to_phys(sdev_channel(sdev));
 522         tid = sdev_id(sdev);
 523         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 524                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 525                 is_native_device = 1;
 526
 527         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 528             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 529                 struct scsi_device * dev;
 530                 struct Scsi_Host *host = sdev->host;
 531                 unsigned num = 0;
 532
 533                 __shost_for_each_device(dev, host) {
 534                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 535                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 536                                 ++num;
 537                         ++num;
 538                 }
 539                 if (num >= host->can_queue)
 540                         num = host->can_queue - 1;
 541                 if (depth > (host->can_queue - num))
 542                         depth = host->can_queue - num;
 543                 if (depth > 256)
 544                         depth = 256;
 545                 else if (depth < 2)
 546                         depth = 2;
 547                 return scsi_change_queue_depth(sdev, depth);
 548         } else if (is_native_device) {
 549                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 550         } else {
 551                 scsi_change_queue_depth(sdev, 1);
 552         }
 553         return sdev->queue_depth;
 554 }
 555
 556 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 557 {
 558         struct scsi_device *sdev = to_scsi_device(dev);
 559         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 560         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 561                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 562                   ? "Hidden\n" :
 563                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 564         return snprintf(buf, PAGE_SIZE, "%s\n",
 565           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 566 }
 567
 568 static struct device_attribute aac_raid_level_attr = {
 569         .attr = {
 570                 .name = "level",
 571                 .mode = S_IRUGO,
 572         },
 573         .show = aac_show_raid_level
 574 };
 575
 576 static ssize_t aac_show_unique_id(struct device *dev,
 577              struct device_attribute *attr, char *buf)
 578 {
 579         struct scsi_device *sdev = to_scsi_device(dev);
 580         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 581         unsigned char sn[16];
 582
 583         memset(sn, 0, sizeof(sn));
 584
 585         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 586                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 587
 588         return snprintf(buf, 16 * 2 + 2,
 589                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 590                 sn[0], sn[1], sn[2], sn[3],
 591                 sn[4], sn[5], sn[6], sn[7],
 592                 sn[8], sn[9], sn[10], sn[11],
 593                 sn[12], sn[13], sn[14], sn[15]);
 594 }
 595
 596 static struct device_attribute aac_unique_id_attr = {
 597         .attr = {
 598                 .name = "unique_id",
 599                 .mode = 0444,
 600         },
 601         .show = aac_show_unique_id
 602 };
 603
 604
 605
 606 static struct attribute *aac_dev_attrs[] = {
 607         &aac_raid_level_attr.attr,
 608         &aac_unique_id_attr.attr,
 609         NULL,
 610 };
 611
 612 ATTRIBUTE_GROUPS(aac_dev);
 613
 614 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 615                      void __user *arg)
 616 {
 617         int retval;
 618         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 619         if (!capable(CAP_SYS_RAWIO))
 620                 return -EPERM;
 621         retval = aac_adapter_check_health(dev);
 622         if (retval)
 623                 return -EBUSY;
 624         return aac_do_ioctl(dev, cmd, arg);
 625 }
 626
 627 struct fib_count_data {
 628         int mlcnt;
 629         int llcnt;
 630         int ehcnt;
 631         int fwcnt;
 632         int krlcnt;
 633 };
 634
 635 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)
 636 {
 637         struct fib_count_data *fib_count = data;
 638
 639         switch (aac_priv(scmnd)->owner) {
 640         case AAC_OWNER_FIRMWARE:
 641                 fib_count->fwcnt++;
 642                 break;
 643         case AAC_OWNER_ERROR_HANDLER:
 644                 fib_count->ehcnt++;
 645                 break;
 646         case AAC_OWNER_LOWLEVEL:
 647                 fib_count->llcnt++;
 648                 break;
 649         case AAC_OWNER_MIDLEVEL:
 650                 fib_count->mlcnt++;
 651                 break;
 652         default:
 653                 fib_count->krlcnt++;
 654                 break;
 655         }
 656         return true;
 657 }
 658
 659 /* Called during SCSI EH, so we don't need to block requests */
 660 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 661 {
 662         struct Scsi_Host *shost = aac->scsi_host_ptr;
 663         struct device *ctrl_dev;
 664         struct fib_count_data fcnt = { };
 665
 666         scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
 667
 668         ctrl_dev = &aac->pdev->dev;
 669
 670         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
 671         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
 672         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
 673         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
 674         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
 675
 676         return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
 677 }
 678
 679 static int aac_eh_abort(struct scsi_cmnd* cmd)
 680 {
 681         struct aac_cmd_priv *cmd_priv = aac_priv(cmd);
 682         struct scsi_device * dev = cmd->device;
 683         struct Scsi_Host * host = dev->host;
 684         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 685         int count, found;
 686         u32 bus, cid;
 687         int ret = FAILED;
 688
 689         if (aac_adapter_check_health(aac))
 690                 return ret;
 691
 692         bus = aac_logical_to_phys(scmd_channel(cmd));
 693         cid = scmd_id(cmd);
 694         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 695                 struct fib *fib;
 696                 struct aac_hba_tm_req *tmf;
 697                 int status;
 698                 u64 address;
 699
 700                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 701                  AAC_DRIVERNAME,
 702                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 703
 704                 found = 0;
 705                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 706                         fib = &aac->fibs[count];
 707                         if (*(u8 *)fib->hw_fib_va != 0 &&
 708                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 709                                 (fib->callback_data == cmd)) {
 710                                 found = 1;
 711                                 break;
 712                         }
 713                 }
 714                 if (!found)
 715                         return ret;
 716
 717                 /* start a HBA_TMF_ABORT_TASK TMF request */
 718                 fib = aac_fib_alloc(aac);
 719                 if (!fib)
 720                         return ret;
 721
 722                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 723                 memset(tmf, 0, sizeof(*tmf));
 724                 tmf->tmf = HBA_TMF_ABORT_TASK;
 725                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 726                 tmf->lun[1] = cmd->device->lun;
 727
 728                 address = (u64)fib->hw_error_pa;
 729                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 730                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 731                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 732
 733                 fib->hbacmd_size = sizeof(*tmf);
 734                 cmd_priv->sent_command = 0;
 735
 736                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 737                                   (fib_callback) aac_hba_callback,
 738                                   (void *) cmd);
 739                 if (status != -EINPROGRESS) {
 740                         aac_fib_complete(fib);
 741                         aac_fib_free(fib);
 742                         return ret;
 743                 }
 744                 /* Wait up to 15 secs for completion */
 745                 for (count = 0; count < 15; ++count) {
 746                         if (cmd_priv->sent_command) {
 747                                 ret = SUCCESS;
 748                                 break;
 749                         }
 750                         msleep(1000);
 751                 }
 752
 753                 if (ret != SUCCESS)
 754                         pr_err("%s: Host adapter abort request timed out\n",
 755                         AAC_DRIVERNAME);
 756         } else {
 757                 pr_err(
 758                         "%s: Host adapter abort request.\n"
 759                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 760                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 761                         host->host_no, sdev_channel(dev), sdev_id(dev),
 762                         (int)dev->lun);
 763                 switch (cmd->cmnd[0]) {
 764                 case SERVICE_ACTION_IN_16:
 765                         if (!(aac->raw_io_interface) ||
 766                             !(aac->raw_io_64) ||
 767                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 768                                 break;
 769                         fallthrough;
 770                 case INQUIRY:
 771                 case READ_CAPACITY:
 772                         /*
 773                          * Mark associated FIB to not complete,
 774                          * eh handler does this
 775                          */
 776                         for (count = 0;
 777                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 778                                 ++count) {
 779                                 struct fib *fib = &aac->fibs[count];
 780
 781                                 if (fib->hw_fib_va->header.XferState &&
 782                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 783                                 (fib->callback_data == cmd)) {
 784                                         fib->flags |=
 785                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 786                                         cmd_priv->owner =
 787                                                 AAC_OWNER_ERROR_HANDLER;
 788                                         ret = SUCCESS;
 789                                 }
 790                         }
 791                         break;
 792                 case TEST_UNIT_READY:
 793                         /*
 794                          * Mark associated FIB to not complete,
 795                          * eh handler does this
 796                          */
 797                         for (count = 0;
 798                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 799                                 ++count) {
 800                                 struct scsi_cmnd *command;
 801                                 struct fib *fib = &aac->fibs[count];
 802
 803                                 command = fib->callback_data;
 804
 805                                 if ((fib->hw_fib_va->header.XferState &
 806                                         cpu_to_le32
 807                                         (Async | NoResponseExpected)) &&
 808                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 809                                         ((command)) &&
 810                                         (command->device == cmd->device)) {
 811                                         fib->flags |=
 812                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 813                                         aac_priv(command)->owner =
 814                                                 AAC_OWNER_ERROR_HANDLER;
 815                                         if (command == cmd)
 816                                                 ret = SUCCESS;
 817                                 }
 818                         }
 819                         break;
 820                 }
 821         }
 822         return ret;
 823 }
 824
 825 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 826                                    struct fib *fib, u64 tmf_lun)
 827 {
 828         struct aac_hba_tm_req *tmf;
 829         u64 address;
 830
 831         /* start a HBA_TMF_LUN_RESET TMF request */
 832         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 833         memset(tmf, 0, sizeof(*tmf));
 834         tmf->tmf = HBA_TMF_LUN_RESET;
 835         tmf->it_nexus = info->rmw_nexus;
 836         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 837
 838         address = (u64)fib->hw_error_pa;
 839         tmf->error_ptr_hi = cpu_to_le32
 840                 ((u32)(address >> 32));
 841         tmf->error_ptr_lo = cpu_to_le32
 842                 ((u32)(address & 0xffffffff));
 843         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 844         fib->hbacmd_size = sizeof(*tmf);
 845
 846         return HBA_IU_TYPE_SCSI_TM_REQ;
 847 }
 848
 849 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 850                                     struct fib *fib)
 851 {
 852         struct aac_hba_reset_req *rst;
 853         u64 address;
 854
 855         /* already tried, start a hard reset now */
 856         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 857         memset(rst, 0, sizeof(*rst));
 858         rst->it_nexus = info->rmw_nexus;
 859
 860         address = (u64)fib->hw_error_pa;
 861         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 862         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 863         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 864         fib->hbacmd_size = sizeof(*rst);
 865
 866         return HBA_IU_TYPE_SATA_REQ;
 867 }
 868
 869 static void aac_tmf_callback(void *context, struct fib *fibptr)
 870 {
 871         struct aac_hba_resp *err =
 872                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 873         struct aac_hba_map_info *info = context;
 874         int res;
 875
 876         switch (err->service_response) {
 877         case HBA_RESP_SVCRES_TMF_REJECTED:
 878                 res = -1;
 879                 break;
 880         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 881                 res = 0;
 882                 break;
 883         case HBA_RESP_SVCRES_TMF_COMPLETE:
 884         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 885                 res = 0;
 886                 break;
 887         default:
 888                 res = -2;
 889                 break;
 890         }
 891         aac_fib_complete(fibptr);
 892
 893         info->reset_state = res;
 894 }
 895
 896 /*
 897  *      aac_eh_dev_reset        - Device reset command handling
 898  *      @scsi_cmd:      SCSI command block causing the reset
 899  *
 900  */
 901 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 902 {
 903         struct scsi_device * dev = cmd->device;
 904         struct Scsi_Host * host = dev->host;
 905         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 906         struct aac_hba_map_info *info;
 907         int count;
 908         u32 bus, cid;
 909         struct fib *fib;
 910         int ret = FAILED;
 911         int status;
 912         u8 command;
 913
 914         bus = aac_logical_to_phys(scmd_channel(cmd));
 915         cid = scmd_id(cmd);
 916
 917         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 918                 return FAILED;
 919
 920         info = &aac->hba_map[bus][cid];
 921
 922         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 923          !(info->reset_state > 0)))
 924                 return FAILED;
 925
 926         pr_err("%s: Host device reset request. SCSI hang ?\n",
 927                AAC_DRIVERNAME);
 928
 929         fib = aac_fib_alloc(aac);
 930         if (!fib)
 931                 return ret;
 932
 933         /* start a HBA_TMF_LUN_RESET TMF request */
 934         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 935
 936         info->reset_state = 1;
 937
 938         status = aac_hba_send(command, fib,
 939                               (fib_callback) aac_tmf_callback,
 940                               (void *) info);
 941         if (status != -EINPROGRESS) {
 942                 info->reset_state = 0;
 943                 aac_fib_complete(fib);
 944                 aac_fib_free(fib);
 945                 return ret;
 946         }
 947         /* Wait up to 15 seconds for completion */
 948         for (count = 0; count < 15; ++count) {
 949                 if (info->reset_state == 0) {
 950                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 951                         break;
 952                 }
 953                 msleep(1000);
 954         }
 955
 956         return ret;
 957 }
 958
 959 /*
 960  *      aac_eh_target_reset     - Target reset command handling
 961  *      @scsi_cmd:      SCSI command block causing the reset
 962  *
 963  */
 964 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 965 {
 966         struct scsi_device * dev = cmd->device;
 967         struct Scsi_Host * host = dev->host;
 968         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 969         struct aac_hba_map_info *info;
 970         int count;
 971         u32 bus, cid;
 972         int ret = FAILED;
 973         struct fib *fib;
 974         int status;
 975         u8 command;
 976
 977         bus = aac_logical_to_phys(scmd_channel(cmd));
 978         cid = scmd_id(cmd);
 979
 980         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 981                 return FAILED;
 982
 983         info = &aac->hba_map[bus][cid];
 984
 985         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 986          !(info->reset_state > 0)))
 987                 return FAILED;
 988
 989         pr_err("%s: Host target reset request. SCSI hang ?\n",
 990                AAC_DRIVERNAME);
 991
 992         fib = aac_fib_alloc(aac);
 993         if (!fib)
 994                 return ret;
 995
 996
 997         /* already tried, start a hard reset now */
 998         command = aac_eh_tmf_hard_reset_fib(info, fib);
 999
1000         info->reset_state = 2;
1001
1002         status = aac_hba_send(command, fib,
1003                               (fib_callback) aac_tmf_callback,
1004                               (void *) info);
1005
1006         if (status != -EINPROGRESS) {
1007                 info->reset_state = 0;
1008                 aac_fib_complete(fib);
1009                 aac_fib_free(fib);
1010                 return ret;
1011         }
1012
1013         /* Wait up to 15 seconds for completion */
1014         for (count = 0; count < 15; ++count) {
1015                 if (info->reset_state <= 0) {
1016                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
1017                         break;
1018                 }
1019                 msleep(1000);
1020         }
1021
1022         return ret;
1023 }
1024
1025 /*
1026  *      aac_eh_bus_reset        - Bus reset command handling
1027  *      @scsi_cmd:      SCSI command block causing the reset
1028  *
1029  */
1030 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1031 {
1032         struct scsi_device * dev = cmd->device;
1033         struct Scsi_Host * host = dev->host;
1034         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1035         int count;
1036         u32 cmd_bus;
1037         int status = 0;
1038
1039
1040         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1041         /* Mark the assoc. FIB to not complete, eh handler does this */
1042         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1043                 struct fib *fib = &aac->fibs[count];
1044
1045                 if (fib->hw_fib_va->header.XferState &&
1046                     (fib->flags & FIB_CONTEXT_FLAG) &&
1047                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1048                         struct aac_hba_map_info *info;
1049                         u32 bus, cid;
1050
1051                         cmd = (struct scsi_cmnd *)fib->callback_data;
1052                         bus = aac_logical_to_phys(scmd_channel(cmd));
1053                         if (bus != cmd_bus)
1054                                 continue;
1055                         cid = scmd_id(cmd);
1056                         info = &aac->hba_map[bus][cid];
1057                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1058                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1059                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1060                                 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;
1061                         }
1062                 }
1063         }
1064
1065         pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1066
1067         /*
1068          * Check the health of the controller
1069          */
1070         status = aac_adapter_check_health(aac);
1071         if (status)
1072                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1073
1074         count = get_num_of_incomplete_fibs(aac);
1075         return (count == 0) ? SUCCESS : FAILED;
1076 }
1077
1078 /*
1079  *      aac_eh_host_reset       - Host reset command handling
1080  *      @scsi_cmd:      SCSI command block causing the reset
1081  *
1082  */
1083 static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1084 {
1085         struct scsi_device * dev = cmd->device;
1086         struct Scsi_Host * host = dev->host;
1087         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1088         int ret = FAILED;
1089         __le32 supported_options2 = 0;
1090         bool is_mu_reset;
1091         bool is_ignore_reset;
1092         bool is_doorbell_reset;
1093
1094         /*
1095          * Check if reset is supported by the firmware
1096          */
1097         supported_options2 = aac->supplement_adapter_info.supported_options2;
1098         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1099         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1100         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1101         /*
1102          * This adapter needs a blind reset, only do so for
1103          * Adapters that support a register, instead of a commanded,
1104          * reset.
1105          */
1106         if ((is_mu_reset || is_doorbell_reset)
1107          && aac_check_reset
1108          && (aac_check_reset != -1 || !is_ignore_reset)) {
1109                 /* Bypass wait for command quiesce */
1110                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1111                         ret = SUCCESS;
1112         }
1113         /*
1114          * Reset EH state
1115          */
1116         if (ret == SUCCESS) {
1117                 int bus, cid;
1118                 struct aac_hba_map_info *info;
1119
1120                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1121                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1122                                 info = &aac->hba_map[bus][cid];
1123                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1124                                         info->reset_state = 0;
1125                         }
1126                 }
1127         }
1128         return ret;
1129 }
1130
1131 /**
1132  *      aac_cfg_open            -       open a configuration file
1133  *      @inode: inode being opened
1134  *      @file: file handle attached
1135  *
1136  *      Called when the configuration device is opened. Does the needed
1137  *      set up on the handle and then returns
1138  *
1139  *      Bugs: This needs extending to check a given adapter is present
1140  *      so we can support hot plugging, and to ref count adapters.
1141  */
1142
1143 static int aac_cfg_open(struct inode *inode, struct file *file)
1144 {
1145         struct aac_dev *aac;
1146         unsigned minor_number = iminor(inode);
1147         int err = -ENODEV;
1148
1149         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1150         list_for_each_entry(aac, &aac_devices, entry) {
1151                 if (aac->id == minor_number) {
1152                         file->private_data = aac;
1153                         err = 0;
1154                         break;
1155                 }
1156         }
1157         mutex_unlock(&aac_mutex);
1158
1159         return err;
1160 }
1161
1162 /**
1163  *      aac_cfg_ioctl           -       AAC configuration request
1164  *      @file: file handle
1165  *      @cmd: ioctl command code
1166  *      @arg: argument
1167  *
1168  *      Handles a configuration ioctl. Currently this involves wrapping it
1169  *      up and feeding it into the nasty windowsalike glue layer.
1170  *
1171  *      Bugs: Needs locking against parallel ioctls lower down
1172  *      Bugs: Needs to handle hot plugging
1173  */
1174
1175 static long aac_cfg_ioctl(struct file *file,
1176                 unsigned int cmd, unsigned long arg)
1177 {
1178         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1179
1180         if (!capable(CAP_SYS_RAWIO))
1181                 return -EPERM;
1182
1183         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1184 }
1185
1186 static ssize_t aac_show_model(struct device *device,
1187                               struct device_attribute *attr, char *buf)
1188 {
1189         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1190         int len;
1191
1192         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1193                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1194                 while (*cp && *cp != ' ')
1195                         ++cp;
1196                 while (*cp == ' ')
1197                         ++cp;
1198                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1199         } else
1200                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1201                   aac_drivers[dev->cardtype].model);
1202         return len;
1203 }
1204
1205 static ssize_t aac_show_vendor(struct device *device,
1206                                struct device_attribute *attr, char *buf)
1207 {
1208         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1209         struct aac_supplement_adapter_info *sup_adap_info;
1210         int len;
1211
1212         sup_adap_info = &dev->supplement_adapter_info;
1213         if (sup_adap_info->adapter_type_text[0]) {
1214                 char *cp = sup_adap_info->adapter_type_text;
1215                 while (*cp && *cp != ' ')
1216                         ++cp;
1217                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1218                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1219                                         sup_adap_info->adapter_type_text);
1220         } else
1221                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1222                         aac_drivers[dev->cardtype].vname);
1223         return len;
1224 }
1225
1226 static ssize_t aac_show_flags(struct device *cdev,
1227                               struct device_attribute *attr, char *buf)
1228 {
1229         int len = 0;
1230         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1231
1232         if (nblank(dprintk(x)))
1233                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1234 #ifdef AAC_DETAILED_STATUS_INFO
1235         len += scnprintf(buf + len, PAGE_SIZE - len,
1236                          "AAC_DETAILED_STATUS_INFO\n");
1237 #endif
1238         if (dev->raw_io_interface && dev->raw_io_64)
1239                 len += scnprintf(buf + len, PAGE_SIZE - len,
1240                                  "SAI_READ_CAPACITY_16\n");
1241         if (dev->jbod)
1242                 len += scnprintf(buf + len, PAGE_SIZE - len,
1243                                  "SUPPORTED_JBOD\n");
1244         if (dev->supplement_adapter_info.supported_options2 &
1245                 AAC_OPTION_POWER_MANAGEMENT)
1246                 len += scnprintf(buf + len, PAGE_SIZE - len,
1247                                  "SUPPORTED_POWER_MANAGEMENT\n");
1248         if (dev->msi)
1249                 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1250         return len;
1251 }
1252
1253 static ssize_t aac_show_kernel_version(struct device *device,
1254                                        struct device_attribute *attr,
1255                                        char *buf)
1256 {
1257         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1258         int len, tmp;
1259
1260         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1261         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1262           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1263           le32_to_cpu(dev->adapter_info.kernelbuild));
1264         return len;
1265 }
1266
1267 static ssize_t aac_show_monitor_version(struct device *device,
1268                                         struct device_attribute *attr,
1269                                         char *buf)
1270 {
1271         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1272         int len, tmp;
1273
1274         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1275         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1276           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1277           le32_to_cpu(dev->adapter_info.monitorbuild));
1278         return len;
1279 }
1280
1281 static ssize_t aac_show_bios_version(struct device *device,
1282                                      struct device_attribute *attr,
1283                                      char *buf)
1284 {
1285         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1286         int len, tmp;
1287
1288         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1289         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1290           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1291           le32_to_cpu(dev->adapter_info.biosbuild));
1292         return len;
1293 }
1294
1295 static ssize_t aac_show_driver_version(struct device *device,
1296                                         struct device_attribute *attr,
1297                                         char *buf)
1298 {
1299         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1300 }
1301
1302 static ssize_t aac_show_serial_number(struct device *device,
1303                                struct device_attribute *attr, char *buf)
1304 {
1305         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1306         int len = 0;
1307
1308         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1309                 len = snprintf(buf, 16, "%06X\n",
1310                   le32_to_cpu(dev->adapter_info.serial[0]));
1311         if (len &&
1312           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1313             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1314           buf, len-1))
1315                 len = snprintf(buf, 16, "%.*s\n",
1316                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1317                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1318
1319         return min(len, 16);
1320 }
1321
1322 static ssize_t aac_show_max_channel(struct device *device,
1323                                     struct device_attribute *attr, char *buf)
1324 {
1325         return snprintf(buf, PAGE_SIZE, "%d\n",
1326           class_to_shost(device)->max_channel);
1327 }
1328
1329 static ssize_t aac_show_max_id(struct device *device,
1330                                struct device_attribute *attr, char *buf)
1331 {
1332         return snprintf(buf, PAGE_SIZE, "%d\n",
1333           class_to_shost(device)->max_id);
1334 }
1335
1336 static ssize_t aac_store_reset_adapter(struct device *device,
1337                                        struct device_attribute *attr,
1338                                        const char *buf, size_t count)
1339 {
1340         int retval = -EACCES;
1341
1342         if (!capable(CAP_SYS_ADMIN))
1343                 return retval;
1344
1345         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1346                                         buf[0] == '!', IOP_HWSOFT_RESET);
1347         if (retval >= 0)
1348                 retval = count;
1349
1350         return retval;
1351 }
1352
1353 static ssize_t aac_show_reset_adapter(struct device *device,
1354                                       struct device_attribute *attr,
1355                                       char *buf)
1356 {
1357         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1358         int len, tmp;
1359
1360         tmp = aac_adapter_check_health(dev);
1361         if ((tmp == 0) && dev->in_reset)
1362                 tmp = -EBUSY;
1363         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1364         return len;
1365 }
1366
1367 static struct device_attribute aac_model = {
1368         .attr = {
1369                 .name = "model",
1370                 .mode = S_IRUGO,
1371         },
1372         .show = aac_show_model,
1373 };
1374 static struct device_attribute aac_vendor = {
1375         .attr = {
1376                 .name = "vendor",
1377                 .mode = S_IRUGO,
1378         },
1379         .show = aac_show_vendor,
1380 };
1381 static struct device_attribute aac_flags = {
1382         .attr = {
1383                 .name = "flags",
1384                 .mode = S_IRUGO,
1385         },
1386         .show = aac_show_flags,
1387 };
1388 static struct device_attribute aac_kernel_version = {
1389         .attr = {
1390                 .name = "hba_kernel_version",
1391                 .mode = S_IRUGO,
1392         },
1393         .show = aac_show_kernel_version,
1394 };
1395 static struct device_attribute aac_monitor_version = {
1396         .attr = {
1397                 .name = "hba_monitor_version",
1398                 .mode = S_IRUGO,
1399         },
1400         .show = aac_show_monitor_version,
1401 };
1402 static struct device_attribute aac_bios_version = {
1403         .attr = {
1404                 .name = "hba_bios_version",
1405                 .mode = S_IRUGO,
1406         },
1407         .show = aac_show_bios_version,
1408 };
1409 static struct device_attribute aac_lld_version = {
1410         .attr = {
1411                 .name = "driver_version",
1412                 .mode = 0444,
1413         },
1414         .show = aac_show_driver_version,
1415 };
1416 static struct device_attribute aac_serial_number = {
1417         .attr = {
1418                 .name = "serial_number",
1419                 .mode = S_IRUGO,
1420         },
1421         .show = aac_show_serial_number,
1422 };
1423 static struct device_attribute aac_max_channel = {
1424         .attr = {
1425                 .name = "max_channel",
1426                 .mode = S_IRUGO,
1427         },
1428         .show = aac_show_max_channel,
1429 };
1430 static struct device_attribute aac_max_id = {
1431         .attr = {
1432                 .name = "max_id",
1433                 .mode = S_IRUGO,
1434         },
1435         .show = aac_show_max_id,
1436 };
1437 static struct device_attribute aac_reset = {
1438         .attr = {
1439                 .name = "reset_host",
1440                 .mode = S_IWUSR|S_IRUGO,
1441         },
1442         .store = aac_store_reset_adapter,
1443         .show = aac_show_reset_adapter,
1444 };
1445
1446 static struct attribute *aac_host_attrs[] = {
1447         &aac_model.attr,
1448         &aac_vendor.attr,
1449         &aac_flags.attr,
1450         &aac_kernel_version.attr,
1451         &aac_monitor_version.attr,
1452         &aac_bios_version.attr,
1453         &aac_lld_version.attr,
1454         &aac_serial_number.attr,
1455         &aac_max_channel.attr,
1456         &aac_max_id.attr,
1457         &aac_reset.attr,
1458         NULL
1459 };
1460
1461 ATTRIBUTE_GROUPS(aac_host);
1462
1463 ssize_t aac_get_serial_number(struct device *device, char *buf)
1464 {
1465         return aac_show_serial_number(device, &aac_serial_number, buf);
1466 }
1467
1468 static const struct file_operations aac_cfg_fops = {
1469         .owner          = THIS_MODULE,
1470         .unlocked_ioctl = aac_cfg_ioctl,
1471 #ifdef CONFIG_COMPAT
1472         .compat_ioctl   = aac_cfg_ioctl,
1473 #endif
1474         .open           = aac_cfg_open,
1475         .llseek         = noop_llseek,
1476 };
1477
1478 static const struct scsi_host_template aac_driver_template = {
1479         .module                         = THIS_MODULE,
1480         .name                           = "AAC",
1481         .proc_name                      = AAC_DRIVERNAME,
1482         .info                           = aac_info,
1483         .ioctl                          = aac_ioctl,
1484 #ifdef CONFIG_COMPAT
1485         .compat_ioctl                   = aac_ioctl,
1486 #endif
1487         .queuecommand                   = aac_queuecommand,
1488         .bios_param                     = aac_biosparm,
1489         .shost_groups                   = aac_host_groups,
1490         .slave_configure                = aac_slave_configure,
1491         .change_queue_depth             = aac_change_queue_depth,
1492         .sdev_groups                    = aac_dev_groups,
1493         .eh_abort_handler               = aac_eh_abort,
1494         .eh_device_reset_handler        = aac_eh_dev_reset,
1495         .eh_target_reset_handler        = aac_eh_target_reset,
1496         .eh_bus_reset_handler           = aac_eh_bus_reset,
1497         .eh_host_reset_handler          = aac_eh_host_reset,
1498         .can_queue                      = AAC_NUM_IO_FIB,
1499         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1500         .sg_tablesize                   = 16,
1501         .max_sectors                    = 128,
1502 #if (AAC_NUM_IO_FIB > 256)
1503         .cmd_per_lun                    = 256,
1504 #else
1505         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1506 #endif
1507         .emulated                       = 1,
1508         .no_write_same                  = 1,
1509         .cmd_size                       = sizeof(struct aac_cmd_priv),
1510 };
1511
1512 static void __aac_shutdown(struct aac_dev * aac)
1513 {
1514         int i;
1515
1516         mutex_lock(&aac->ioctl_mutex);
1517         aac->adapter_shutdown = 1;
1518         mutex_unlock(&aac->ioctl_mutex);
1519
1520         if (aac->aif_thread) {
1521                 int i;
1522                 /* Clear out events first */
1523                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1524                         struct fib *fib = &aac->fibs[i];
1525                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1526                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1527                                 complete(&fib->event_wait);
1528                 }
1529                 kthread_stop(aac->thread);
1530                 aac->thread = NULL;
1531         }
1532
1533         aac_send_shutdown(aac);
1534
1535         aac_adapter_disable_int(aac);
1536
1537         if (aac_is_src(aac)) {
1538                 if (aac->max_msix > 1) {
1539                         for (i = 0; i < aac->max_msix; i++) {
1540                                 free_irq(pci_irq_vector(aac->pdev, i),
1541                                          &(aac->aac_msix[i]));
1542                         }
1543                 } else {
1544                         free_irq(aac->pdev->irq,
1545                                  &(aac->aac_msix[0]));
1546                 }
1547         } else {
1548                 free_irq(aac->pdev->irq, aac);
1549         }
1550         if (aac->msi)
1551                 pci_disable_msi(aac->pdev);
1552         else if (aac->max_msix > 1)
1553                 pci_disable_msix(aac->pdev);
1554 }
1555 static void aac_init_char(void)
1556 {
1557         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1558         if (aac_cfg_major < 0) {
1559                 pr_err("aacraid: unable to register \"aac\" device.\n");
1560         }
1561 }
1562
1563 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1564 {
1565         /*
1566          * Firmware may send a AIF messages very early and the Driver may have
1567          * ignored as it is not fully ready to process the messages. Send
1568          * AIF to firmware so that if there are any unprocessed events they
1569          * can be processed now.
1570          */
1571         if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1572                 aac_intr_normal(aac, 0, 2, 0, NULL);
1573
1574 }
1575
1576 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1577 {
1578         unsigned index = id->driver_data;
1579         struct Scsi_Host *shost;
1580         struct aac_dev *aac;
1581         struct list_head *insert = &aac_devices;
1582         int error;
1583         int unique_id = 0;
1584         u64 dmamask;
1585         int mask_bits = 0;
1586         extern int aac_sync_mode;
1587
1588         /*
1589          * Only series 7 needs freset.
1590          */
1591         if (pdev->device == PMC_DEVICE_S7)
1592                 pdev->needs_freset = 1;
1593
1594         list_for_each_entry(aac, &aac_devices, entry) {
1595                 if (aac->id > unique_id)
1596                         break;
1597                 insert = &aac->entry;
1598                 unique_id++;
1599         }
1600
1601         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1602                                PCIE_LINK_STATE_CLKPM);
1603
1604         error = pci_enable_device(pdev);
1605         if (error)
1606                 goto out;
1607
1608         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1609                 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
1610                 if (error) {
1611                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1612                         goto out_disable_pdev;
1613                 }
1614         }
1615
1616         /*
1617          * If the quirk31 bit is set, the adapter needs adapter
1618          * to driver communication memory to be allocated below 2gig
1619          */
1620         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1621                 dmamask = DMA_BIT_MASK(31);
1622                 mask_bits = 31;
1623         } else {
1624                 dmamask = DMA_BIT_MASK(32);
1625                 mask_bits = 32;
1626         }
1627
1628         error = dma_set_coherent_mask(&pdev->dev, dmamask);
1629         if (error) {
1630                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1631                                 , mask_bits);
1632                 goto out_disable_pdev;
1633         }
1634
1635         pci_set_master(pdev);
1636
1637         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1638         if (!shost) {
1639                 error = -ENOMEM;
1640                 goto out_disable_pdev;
1641         }
1642
1643         shost->irq = pdev->irq;
1644         shost->unique_id = unique_id;
1645         shost->max_cmd_len = 16;
1646
1647         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1648                 aac_init_char();
1649
1650         aac = (struct aac_dev *)shost->hostdata;
1651         aac->base_start = pci_resource_start(pdev, 0);
1652         aac->scsi_host_ptr = shost;
1653         aac->pdev = pdev;
1654         aac->name = aac_driver_template.name;
1655         aac->id = shost->unique_id;
1656         aac->cardtype = index;
1657         INIT_LIST_HEAD(&aac->entry);
1658
1659         if (aac_reset_devices || reset_devices)
1660                 aac->init_reset = true;
1661
1662         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1663                             sizeof(struct fib),
1664                             GFP_KERNEL);
1665         if (!aac->fibs) {
1666                 error = -ENOMEM;
1667                 goto out_free_host;
1668         }
1669
1670         spin_lock_init(&aac->fib_lock);
1671
1672         mutex_init(&aac->ioctl_mutex);
1673         mutex_init(&aac->scan_mutex);
1674
1675         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1676         INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1677                                 aac_src_reinit_aif_worker);
1678         /*
1679          *      Map in the registers from the adapter.
1680          */
1681         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1682         if ((*aac_drivers[index].init)(aac)) {
1683                 error = -ENODEV;
1684                 goto out_unmap;
1685         }
1686
1687         if (aac->sync_mode) {
1688                 if (aac_sync_mode)
1689                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1690                                 "by driver parameter. This will cause "
1691                                 "a significant performance decrease!\n",
1692                                 aac->name,
1693                                 aac->id);
1694                 else
1695                         printk(KERN_INFO "%s%d: Async. mode not supported "
1696                                 "by current driver, sync. mode enforced."
1697                                 "\nPlease update driver to get full performance.\n",
1698                                 aac->name,
1699                                 aac->id);
1700         }
1701
1702         /*
1703          *      Start any kernel threads needed
1704          */
1705         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1706         if (IS_ERR(aac->thread)) {
1707                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1708                 error = PTR_ERR(aac->thread);
1709                 aac->thread = NULL;
1710                 goto out_deinit;
1711         }
1712
1713         aac->maximum_num_channels = aac_drivers[index].channels;
1714         error = aac_get_adapter_info(aac);
1715         if (error < 0)
1716                 goto out_deinit;
1717
1718         /*
1719          * Lets override negotiations and drop the maximum SG limit to 34
1720          */
1721         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1722                         (shost->sg_tablesize > 34)) {
1723                 shost->sg_tablesize = 34;
1724                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1725         }
1726
1727         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1728                         (shost->sg_tablesize > 17)) {
1729                 shost->sg_tablesize = 17;
1730                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1731         }
1732
1733         if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1734                 shost->max_segment_size = shost->max_sectors << 9;
1735         else
1736                 shost->max_segment_size = 65536;
1737
1738         /*
1739          * Firmware printf works only with older firmware.
1740          */
1741         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1742                 aac->printf_enabled = 1;
1743         else
1744                 aac->printf_enabled = 0;
1745
1746         /*
1747          * max channel will be the physical channels plus 1 virtual channel
1748          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1749          * physical channels are address by their actual physical number+1
1750          */
1751         if (aac->nondasd_support || expose_physicals || aac->jbod)
1752                 shost->max_channel = aac->maximum_num_channels;
1753         else
1754                 shost->max_channel = 0;
1755
1756         aac_get_config_status(aac, 0);
1757         aac_get_containers(aac);
1758         list_add(&aac->entry, insert);
1759
1760         shost->max_id = aac->maximum_num_containers;
1761         if (shost->max_id < aac->maximum_num_physicals)
1762                 shost->max_id = aac->maximum_num_physicals;
1763         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1764                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1765         else
1766                 shost->this_id = shost->max_id;
1767
1768         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1769                 aac_intr_normal(aac, 0, 2, 0, NULL);
1770
1771         /*
1772          * dmb - we may need to move the setting of these parms somewhere else once
1773          * we get a fib that can report the actual numbers
1774          */
1775         shost->max_lun = AAC_MAX_LUN;
1776
1777         pci_set_drvdata(pdev, shost);
1778
1779         error = scsi_add_host(shost, &pdev->dev);
1780         if (error)
1781                 goto out_deinit;
1782
1783         aac_scan_host(aac);
1784
1785         pci_save_state(pdev);
1786
1787         return 0;
1788
1789  out_deinit:
1790         __aac_shutdown(aac);
1791  out_unmap:
1792         aac_fib_map_free(aac);
1793         if (aac->comm_addr)
1794                 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1795                                   aac->comm_addr, aac->comm_phys);
1796         kfree(aac->queues);
1797         aac_adapter_ioremap(aac, 0);
1798         kfree(aac->fibs);
1799         kfree(aac->fsa_dev);
1800  out_free_host:
1801         scsi_host_put(shost);
1802  out_disable_pdev:
1803         pci_disable_device(pdev);
1804  out:
1805         return error;
1806 }
1807
1808 static void aac_release_resources(struct aac_dev *aac)
1809 {
1810         aac_adapter_disable_int(aac);
1811         aac_free_irq(aac);
1812 }
1813
1814 static int aac_acquire_resources(struct aac_dev *dev)
1815 {
1816         unsigned long status;
1817         /*
1818          *      First clear out all interrupts.  Then enable the one's that we
1819          *      can handle.
1820          */
1821         while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1822                 || status == 0xffffffff)
1823                         msleep(20);
1824
1825         aac_adapter_disable_int(dev);
1826         aac_adapter_enable_int(dev);
1827
1828
1829         if (aac_is_src(dev))
1830                 aac_define_int_mode(dev);
1831
1832         if (dev->msi_enabled)
1833                 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1834
1835         if (aac_acquire_irq(dev))
1836                 goto error_iounmap;
1837
1838         aac_adapter_enable_int(dev);
1839
1840         /*max msix may change  after EEH
1841          * Re-assign vectors to fibs
1842          */
1843         aac_fib_vector_assign(dev);
1844
1845         if (!dev->sync_mode) {
1846                 /* After EEH recovery or suspend resume, max_msix count
1847                  * may change, therefore updating in init as well.
1848                  */
1849                 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1850                 aac_adapter_start(dev);
1851         }
1852         return 0;
1853
1854 error_iounmap:
1855         return -1;
1856
1857 }
1858
1859 static int __maybe_unused aac_suspend(struct device *dev)
1860 {
1861         struct Scsi_Host *shost = dev_get_drvdata(dev);
1862         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1863
1864         scsi_host_block(shost);
1865         aac_cancel_rescan_worker(aac);
1866         aac_send_shutdown(aac);
1867
1868         aac_release_resources(aac);
1869
1870         return 0;
1871 }
1872
1873 static int __maybe_unused aac_resume(struct device *dev)
1874 {
1875         struct Scsi_Host *shost = dev_get_drvdata(dev);
1876         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1877
1878         if (aac_acquire_resources(aac))
1879                 goto fail_device;
1880         /*
1881         * reset this flag to unblock ioctl() as it was set at
1882         * aac_send_shutdown() to block ioctls from upperlayer
1883         */
1884         aac->adapter_shutdown = 0;
1885         scsi_host_unblock(shost, SDEV_RUNNING);
1886
1887         return 0;
1888
1889 fail_device:
1890         printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1891         scsi_host_put(shost);
1892         return -ENODEV;
1893 }
1894
1895 static void aac_shutdown(struct pci_dev *dev)
1896 {
1897         struct Scsi_Host *shost = pci_get_drvdata(dev);
1898
1899         scsi_host_block(shost);
1900         __aac_shutdown((struct aac_dev *)shost->hostdata);
1901 }
1902
1903 static void aac_remove_one(struct pci_dev *pdev)
1904 {
1905         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1906         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1907
1908         aac_cancel_rescan_worker(aac);
1909         scsi_remove_host(shost);
1910
1911         __aac_shutdown(aac);
1912         aac_fib_map_free(aac);
1913         dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1914                           aac->comm_phys);
1915         kfree(aac->queues);
1916
1917         aac_adapter_ioremap(aac, 0);
1918
1919         kfree(aac->fibs);
1920         kfree(aac->fsa_dev);
1921
1922         list_del(&aac->entry);
1923         scsi_host_put(shost);
1924         pci_disable_device(pdev);
1925         if (list_empty(&aac_devices)) {
1926                 unregister_chrdev(aac_cfg_major, "aac");
1927                 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1928         }
1929 }
1930
1931 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1932                                         pci_channel_state_t error)
1933 {
1934         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1935         struct aac_dev *aac = shost_priv(shost);
1936
1937         dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1938
1939         switch (error) {
1940         case pci_channel_io_normal:
1941                 return PCI_ERS_RESULT_CAN_RECOVER;
1942         case pci_channel_io_frozen:
1943                 aac->handle_pci_error = 1;
1944
1945                 scsi_host_block(shost);
1946                 aac_cancel_rescan_worker(aac);
1947                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1948                 aac_release_resources(aac);
1949
1950                 aac_adapter_ioremap(aac, 0);
1951
1952                 return PCI_ERS_RESULT_NEED_RESET;
1953         case pci_channel_io_perm_failure:
1954                 aac->handle_pci_error = 1;
1955
1956                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1957                 return PCI_ERS_RESULT_DISCONNECT;
1958         }
1959
1960         return PCI_ERS_RESULT_NEED_RESET;
1961 }
1962
1963 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1964 {
1965         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1966         return PCI_ERS_RESULT_NEED_RESET;
1967 }
1968
1969 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1970 {
1971         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1972         pci_restore_state(pdev);
1973         if (pci_enable_device(pdev)) {
1974                 dev_warn(&pdev->dev,
1975                         "aacraid: failed to enable slave\n");
1976                 goto fail_device;
1977         }
1978
1979         pci_set_master(pdev);
1980
1981         if (pci_enable_device_mem(pdev)) {
1982                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1983                 goto fail_device;
1984         }
1985
1986         return PCI_ERS_RESULT_RECOVERED;
1987
1988 fail_device:
1989         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1990         return PCI_ERS_RESULT_DISCONNECT;
1991 }
1992
1993
1994 static void aac_pci_resume(struct pci_dev *pdev)
1995 {
1996         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1997         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1998
1999         if (aac_adapter_ioremap(aac, aac->base_size)) {
2000
2001                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2002                 /* remap failed, go back ... */
2003                 aac->comm_interface = AAC_COMM_PRODUCER;
2004                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2005                         dev_warn(&pdev->dev,
2006                                 "aacraid: unable to map adapter.\n");
2007
2008                         return;
2009                 }
2010         }
2011
2012         msleep(10000);
2013
2014         aac_acquire_resources(aac);
2015
2016         /*
2017          * reset this flag to unblock ioctl() as it was set
2018          * at aac_send_shutdown() to block ioctls from upperlayer
2019          */
2020         aac->adapter_shutdown = 0;
2021         aac->handle_pci_error = 0;
2022
2023         scsi_host_unblock(shost, SDEV_RUNNING);
2024         aac_scan_host(aac);
2025         pci_save_state(pdev);
2026
2027         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2028 }
2029
2030 static struct pci_error_handlers aac_pci_err_handler = {
2031         .error_detected         = aac_pci_error_detected,
2032         .mmio_enabled           = aac_pci_mmio_enabled,
2033         .slot_reset             = aac_pci_slot_reset,
2034         .resume                 = aac_pci_resume,
2035 };
2036
2037 static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
2038
2039 static struct pci_driver aac_pci_driver = {
2040         .name           = AAC_DRIVERNAME,
2041         .id_table       = aac_pci_tbl,
2042         .probe          = aac_probe_one,
2043         .remove         = aac_remove_one,
2044         .driver.pm      = &aac_pm_ops,
2045         .shutdown       = aac_shutdown,
2046         .err_handler    = &aac_pci_err_handler,
2047 };
2048
2049 static int __init aac_init(void)
2050 {
2051         int error;
2052
2053         printk(KERN_INFO "Adaptec %s driver %s\n",
2054           AAC_DRIVERNAME, aac_driver_version);
2055
2056         error = pci_register_driver(&aac_pci_driver);
2057         if (error < 0)
2058                 return error;
2059
2060         aac_init_char();
2061
2062
2063         return 0;
2064 }
2065
2066 static void __exit aac_exit(void)
2067 {
2068         if (aac_cfg_major > -1)
2069                 unregister_chrdev(aac_cfg_major, "aac");
2070         pci_unregister_driver(&aac_pci_driver);
2071 }
2072
2073 module_init(aac_init);
2074 module_exit(aac_exit);