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. ([email protected])
  11  *               2016-2017 Microsemi Corp. ([email protected])
  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_sdev_configure              -       compute queue depths
 381  *      @sdev:  SCSI device we are considering
 382  *      @lim:   Request queue limits
 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_sdev_configure(struct scsi_device *sdev,
 390                               struct queue_limits *lim)
 391 {
 392         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
 393         int chn, tid;
 394         unsigned int depth = 0;
 395         unsigned int set_timeout = 0;
 396         int timeout = 0;
 397         bool set_qd_dev_type = false;
 398         u8 devtype = 0;
 399
 400         chn = aac_logical_to_phys(sdev_channel(sdev));
 401         tid = sdev_id(sdev);
 402         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
 403                 devtype = aac->hba_map[chn][tid].devtype;
 404
 405                 if (devtype == AAC_DEVTYPE_NATIVE_RAW) {
 406                         depth = aac->hba_map[chn][tid].qd_limit;
 407                         set_timeout = 1;
 408                         goto common_config;
 409                 }
 410                 if (devtype == AAC_DEVTYPE_ARC_RAW) {
 411                         set_qd_dev_type = true;
 412                         set_timeout = 1;
 413                         goto common_config;
 414                 }
 415         }
 416
 417         if (aac->jbod && (sdev->type == TYPE_DISK))
 418                 sdev->removable = 1;
 419
 420         if (sdev->type == TYPE_DISK
 421          && sdev_channel(sdev) != CONTAINER_CHANNEL
 422          && (!aac->jbod || sdev->inq_periph_qual)
 423          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
 424
 425                 if (expose_physicals == 0)
 426                         return -ENXIO;
 427
 428                 if (expose_physicals < 0)
 429                         sdev->no_uld_attach = 1;
 430         }
 431
 432         if (sdev->tagged_supported
 433          &&  sdev->type == TYPE_DISK
 434          &&  (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 435          && !sdev->no_uld_attach) {
 436
 437                 struct scsi_device * dev;
 438                 struct Scsi_Host *host = sdev->host;
 439                 unsigned num_lsu = 0;
 440                 unsigned num_one = 0;
 441                 unsigned cid;
 442
 443                 set_timeout = 1;
 444
 445                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
 446                         if (aac->fsa_dev[cid].valid)
 447                                 ++num_lsu;
 448
 449                 __shost_for_each_device(dev, host) {
 450                         if (dev->tagged_supported
 451                          && dev->type == TYPE_DISK
 452                          && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
 453                          && !dev->no_uld_attach) {
 454                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
 455                                  || !aac->fsa_dev[sdev_id(dev)].valid) {
 456                                         ++num_lsu;
 457                                 }
 458                         } else {
 459                                 ++num_one;
 460                         }
 461                 }
 462
 463                 if (num_lsu == 0)
 464                         ++num_lsu;
 465
 466                 depth = (host->can_queue - num_one) / num_lsu;
 467
 468                 if (sdev_channel(sdev) != NATIVE_CHANNEL)
 469                         goto common_config;
 470
 471                 set_qd_dev_type = true;
 472
 473         }
 474
 475 common_config:
 476
 477         /*
 478          * Check if SATA drive
 479          */
 480         if (set_qd_dev_type) {
 481                 if (strncmp(sdev->vendor, "ATA", 3) == 0)
 482                         depth = 32;
 483                 else
 484                         depth = 64;
 485         }
 486
 487         /*
 488          * Firmware has an individual device recovery time typically
 489          * of 35 seconds, give us a margin. Thor devices can take longer in
 490          * error recovery, hence different value.
 491          */
 492         if (set_timeout) {
 493                 timeout = aac->sa_firmware ? AAC_SA_TIMEOUT : AAC_ARC_TIMEOUT;
 494                 blk_queue_rq_timeout(sdev->request_queue, timeout * HZ);
 495         }
 496
 497         if (depth > 256)
 498                 depth = 256;
 499         else if (depth < 1)
 500                 depth = 1;
 501
 502         scsi_change_queue_depth(sdev, depth);
 503
 504         sdev->tagged_supported = 1;
 505
 506         return 0;
 507 }
 508
 509 /**
 510  *      aac_change_queue_depth          -       alter queue depths
 511  *      @sdev:  SCSI device we are considering
 512  *      @depth: desired queue depth
 513  *
 514  *      Alters queue depths for target device based on the host adapter's
 515  *      total capacity and the queue depth supported by the target device.
 516  */
 517
 518 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
 519 {
 520         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 521         int chn, tid, is_native_device = 0;
 522
 523         chn = aac_logical_to_phys(sdev_channel(sdev));
 524         tid = sdev_id(sdev);
 525         if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
 526                 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
 527                 is_native_device = 1;
 528
 529         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 530             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
 531                 struct scsi_device * dev;
 532                 struct Scsi_Host *host = sdev->host;
 533                 unsigned num = 0;
 534
 535                 __shost_for_each_device(dev, host) {
 536                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
 537                             (sdev_channel(dev) == CONTAINER_CHANNEL))
 538                                 ++num;
 539                         ++num;
 540                 }
 541                 if (num >= host->can_queue)
 542                         num = host->can_queue - 1;
 543                 if (depth > (host->can_queue - num))
 544                         depth = host->can_queue - num;
 545                 if (depth > 256)
 546                         depth = 256;
 547                 else if (depth < 2)
 548                         depth = 2;
 549                 return scsi_change_queue_depth(sdev, depth);
 550         } else if (is_native_device) {
 551                 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
 552         } else {
 553                 scsi_change_queue_depth(sdev, 1);
 554         }
 555         return sdev->queue_depth;
 556 }
 557
 558 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
 559 {
 560         struct scsi_device *sdev = to_scsi_device(dev);
 561         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 562         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
 563                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
 564                   ? "Hidden\n" :
 565                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
 566         return snprintf(buf, PAGE_SIZE, "%s\n",
 567           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
 568 }
 569
 570 static struct device_attribute aac_raid_level_attr = {
 571         .attr = {
 572                 .name = "level",
 573                 .mode = S_IRUGO,
 574         },
 575         .show = aac_show_raid_level
 576 };
 577
 578 static ssize_t aac_show_unique_id(struct device *dev,
 579              struct device_attribute *attr, char *buf)
 580 {
 581         struct scsi_device *sdev = to_scsi_device(dev);
 582         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
 583         unsigned char sn[16];
 584
 585         memset(sn, 0, sizeof(sn));
 586
 587         if (sdev_channel(sdev) == CONTAINER_CHANNEL)
 588                 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
 589
 590         return snprintf(buf, 16 * 2 + 2,
 591                 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
 592                 sn[0], sn[1], sn[2], sn[3],
 593                 sn[4], sn[5], sn[6], sn[7],
 594                 sn[8], sn[9], sn[10], sn[11],
 595                 sn[12], sn[13], sn[14], sn[15]);
 596 }
 597
 598 static struct device_attribute aac_unique_id_attr = {
 599         .attr = {
 600                 .name = "unique_id",
 601                 .mode = 0444,
 602         },
 603         .show = aac_show_unique_id
 604 };
 605
 606
 607
 608 static struct attribute *aac_dev_attrs[] = {
 609         &aac_raid_level_attr.attr,
 610         &aac_unique_id_attr.attr,
 611         NULL,
 612 };
 613
 614 ATTRIBUTE_GROUPS(aac_dev);
 615
 616 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
 617                      void __user *arg)
 618 {
 619         int retval;
 620         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
 621         if (!capable(CAP_SYS_RAWIO))
 622                 return -EPERM;
 623         retval = aac_adapter_check_health(dev);
 624         if (retval)
 625                 return -EBUSY;
 626         return aac_do_ioctl(dev, cmd, arg);
 627 }
 628
 629 struct fib_count_data {
 630         int mlcnt;
 631         int llcnt;
 632         int ehcnt;
 633         int fwcnt;
 634         int krlcnt;
 635 };
 636
 637 static bool fib_count_iter(struct scsi_cmnd *scmnd, void *data)
 638 {
 639         struct fib_count_data *fib_count = data;
 640
 641         switch (aac_priv(scmnd)->owner) {
 642         case AAC_OWNER_FIRMWARE:
 643                 fib_count->fwcnt++;
 644                 break;
 645         case AAC_OWNER_ERROR_HANDLER:
 646                 fib_count->ehcnt++;
 647                 break;
 648         case AAC_OWNER_LOWLEVEL:
 649                 fib_count->llcnt++;
 650                 break;
 651         case AAC_OWNER_MIDLEVEL:
 652                 fib_count->mlcnt++;
 653                 break;
 654         default:
 655                 fib_count->krlcnt++;
 656                 break;
 657         }
 658         return true;
 659 }
 660
 661 /* Called during SCSI EH, so we don't need to block requests */
 662 static int get_num_of_incomplete_fibs(struct aac_dev *aac)
 663 {
 664         struct Scsi_Host *shost = aac->scsi_host_ptr;
 665         struct device *ctrl_dev;
 666         struct fib_count_data fcnt = { };
 667
 668         scsi_host_busy_iter(shost, fib_count_iter, &fcnt);
 669
 670         ctrl_dev = &aac->pdev->dev;
 671
 672         dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", fcnt.mlcnt);
 673         dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", fcnt.llcnt);
 674         dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", fcnt.ehcnt);
 675         dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fcnt.fwcnt);
 676         dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", fcnt.krlcnt);
 677
 678         return fcnt.mlcnt + fcnt.llcnt + fcnt.ehcnt + fcnt.fwcnt;
 679 }
 680
 681 static int aac_eh_abort(struct scsi_cmnd* cmd)
 682 {
 683         struct aac_cmd_priv *cmd_priv = aac_priv(cmd);
 684         struct scsi_device * dev = cmd->device;
 685         struct Scsi_Host * host = dev->host;
 686         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 687         int count, found;
 688         u32 bus, cid;
 689         int ret = FAILED;
 690
 691         if (aac_adapter_check_health(aac))
 692                 return ret;
 693
 694         bus = aac_logical_to_phys(scmd_channel(cmd));
 695         cid = scmd_id(cmd);
 696         if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
 697                 struct fib *fib;
 698                 struct aac_hba_tm_req *tmf;
 699                 int status;
 700                 u64 address;
 701
 702                 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
 703                  AAC_DRIVERNAME,
 704                  host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
 705
 706                 found = 0;
 707                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
 708                         fib = &aac->fibs[count];
 709                         if (*(u8 *)fib->hw_fib_va != 0 &&
 710                                 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
 711                                 (fib->callback_data == cmd)) {
 712                                 found = 1;
 713                                 break;
 714                         }
 715                 }
 716                 if (!found)
 717                         return ret;
 718
 719                 /* start a HBA_TMF_ABORT_TASK TMF request */
 720                 fib = aac_fib_alloc(aac);
 721                 if (!fib)
 722                         return ret;
 723
 724                 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 725                 memset(tmf, 0, sizeof(*tmf));
 726                 tmf->tmf = HBA_TMF_ABORT_TASK;
 727                 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
 728                 tmf->lun[1] = cmd->device->lun;
 729
 730                 address = (u64)fib->hw_error_pa;
 731                 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 732                 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 733                 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 734
 735                 fib->hbacmd_size = sizeof(*tmf);
 736                 cmd_priv->sent_command = 0;
 737
 738                 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
 739                                   (fib_callback) aac_hba_callback,
 740                                   (void *) cmd);
 741                 if (status != -EINPROGRESS) {
 742                         aac_fib_complete(fib);
 743                         aac_fib_free(fib);
 744                         return ret;
 745                 }
 746                 /* Wait up to 15 secs for completion */
 747                 for (count = 0; count < 15; ++count) {
 748                         if (cmd_priv->sent_command) {
 749                                 ret = SUCCESS;
 750                                 break;
 751                         }
 752                         msleep(1000);
 753                 }
 754
 755                 if (ret != SUCCESS)
 756                         pr_err("%s: Host adapter abort request timed out\n",
 757                         AAC_DRIVERNAME);
 758         } else {
 759                 pr_err(
 760                         "%s: Host adapter abort request.\n"
 761                         "%s: Outstanding commands on (%d,%d,%d,%d):\n",
 762                         AAC_DRIVERNAME, AAC_DRIVERNAME,
 763                         host->host_no, sdev_channel(dev), sdev_id(dev),
 764                         (int)dev->lun);
 765                 switch (cmd->cmnd[0]) {
 766                 case SERVICE_ACTION_IN_16:
 767                         if (!(aac->raw_io_interface) ||
 768                             !(aac->raw_io_64) ||
 769                             ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
 770                                 break;
 771                         fallthrough;
 772                 case INQUIRY:
 773                 case READ_CAPACITY:
 774                         /*
 775                          * Mark associated FIB to not complete,
 776                          * eh handler does this
 777                          */
 778                         for (count = 0;
 779                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 780                                 ++count) {
 781                                 struct fib *fib = &aac->fibs[count];
 782
 783                                 if (fib->hw_fib_va->header.XferState &&
 784                                 (fib->flags & FIB_CONTEXT_FLAG) &&
 785                                 (fib->callback_data == cmd)) {
 786                                         fib->flags |=
 787                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 788                                         cmd_priv->owner =
 789                                                 AAC_OWNER_ERROR_HANDLER;
 790                                         ret = SUCCESS;
 791                                 }
 792                         }
 793                         break;
 794                 case TEST_UNIT_READY:
 795                         /*
 796                          * Mark associated FIB to not complete,
 797                          * eh handler does this
 798                          */
 799                         for (count = 0;
 800                                 count < (host->can_queue + AAC_NUM_MGT_FIB);
 801                                 ++count) {
 802                                 struct scsi_cmnd *command;
 803                                 struct fib *fib = &aac->fibs[count];
 804
 805                                 command = fib->callback_data;
 806
 807                                 if ((fib->hw_fib_va->header.XferState &
 808                                         cpu_to_le32
 809                                         (Async | NoResponseExpected)) &&
 810                                         (fib->flags & FIB_CONTEXT_FLAG) &&
 811                                         ((command)) &&
 812                                         (command->device == cmd->device)) {
 813                                         fib->flags |=
 814                                                 FIB_CONTEXT_FLAG_TIMED_OUT;
 815                                         aac_priv(command)->owner =
 816                                                 AAC_OWNER_ERROR_HANDLER;
 817                                         if (command == cmd)
 818                                                 ret = SUCCESS;
 819                                 }
 820                         }
 821                         break;
 822                 }
 823         }
 824         return ret;
 825 }
 826
 827 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
 828                                    struct fib *fib, u64 tmf_lun)
 829 {
 830         struct aac_hba_tm_req *tmf;
 831         u64 address;
 832
 833         /* start a HBA_TMF_LUN_RESET TMF request */
 834         tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
 835         memset(tmf, 0, sizeof(*tmf));
 836         tmf->tmf = HBA_TMF_LUN_RESET;
 837         tmf->it_nexus = info->rmw_nexus;
 838         int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
 839
 840         address = (u64)fib->hw_error_pa;
 841         tmf->error_ptr_hi = cpu_to_le32
 842                 ((u32)(address >> 32));
 843         tmf->error_ptr_lo = cpu_to_le32
 844                 ((u32)(address & 0xffffffff));
 845         tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 846         fib->hbacmd_size = sizeof(*tmf);
 847
 848         return HBA_IU_TYPE_SCSI_TM_REQ;
 849 }
 850
 851 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
 852                                     struct fib *fib)
 853 {
 854         struct aac_hba_reset_req *rst;
 855         u64 address;
 856
 857         /* already tried, start a hard reset now */
 858         rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
 859         memset(rst, 0, sizeof(*rst));
 860         rst->it_nexus = info->rmw_nexus;
 861
 862         address = (u64)fib->hw_error_pa;
 863         rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
 864         rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
 865         rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
 866         fib->hbacmd_size = sizeof(*rst);
 867
 868         return HBA_IU_TYPE_SATA_REQ;
 869 }
 870
 871 static void aac_tmf_callback(void *context, struct fib *fibptr)
 872 {
 873         struct aac_hba_resp *err =
 874                 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
 875         struct aac_hba_map_info *info = context;
 876         int res;
 877
 878         switch (err->service_response) {
 879         case HBA_RESP_SVCRES_TMF_REJECTED:
 880                 res = -1;
 881                 break;
 882         case HBA_RESP_SVCRES_TMF_LUN_INVALID:
 883                 res = 0;
 884                 break;
 885         case HBA_RESP_SVCRES_TMF_COMPLETE:
 886         case HBA_RESP_SVCRES_TMF_SUCCEEDED:
 887                 res = 0;
 888                 break;
 889         default:
 890                 res = -2;
 891                 break;
 892         }
 893         aac_fib_complete(fibptr);
 894
 895         info->reset_state = res;
 896 }
 897
 898 /*
 899  *      aac_eh_dev_reset        - Device reset command handling
 900  *      @scsi_cmd:      SCSI command block causing the reset
 901  *
 902  */
 903 static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
 904 {
 905         struct scsi_device * dev = cmd->device;
 906         struct Scsi_Host * host = dev->host;
 907         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 908         struct aac_hba_map_info *info;
 909         int count;
 910         u32 bus, cid;
 911         struct fib *fib;
 912         int ret = FAILED;
 913         int status;
 914         u8 command;
 915
 916         bus = aac_logical_to_phys(scmd_channel(cmd));
 917         cid = scmd_id(cmd);
 918
 919         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 920                 return FAILED;
 921
 922         info = &aac->hba_map[bus][cid];
 923
 924         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 925          !(info->reset_state > 0)))
 926                 return FAILED;
 927
 928         pr_err("%s: Host device reset request. SCSI hang ?\n",
 929                AAC_DRIVERNAME);
 930
 931         fib = aac_fib_alloc(aac);
 932         if (!fib)
 933                 return ret;
 934
 935         /* start a HBA_TMF_LUN_RESET TMF request */
 936         command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
 937
 938         info->reset_state = 1;
 939
 940         status = aac_hba_send(command, fib,
 941                               (fib_callback) aac_tmf_callback,
 942                               (void *) info);
 943         if (status != -EINPROGRESS) {
 944                 info->reset_state = 0;
 945                 aac_fib_complete(fib);
 946                 aac_fib_free(fib);
 947                 return ret;
 948         }
 949         /* Wait up to 15 seconds for completion */
 950         for (count = 0; count < 15; ++count) {
 951                 if (info->reset_state == 0) {
 952                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
 953                         break;
 954                 }
 955                 msleep(1000);
 956         }
 957
 958         return ret;
 959 }
 960
 961 /*
 962  *      aac_eh_target_reset     - Target reset command handling
 963  *      @scsi_cmd:      SCSI command block causing the reset
 964  *
 965  */
 966 static int aac_eh_target_reset(struct scsi_cmnd *cmd)
 967 {
 968         struct scsi_device * dev = cmd->device;
 969         struct Scsi_Host * host = dev->host;
 970         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
 971         struct aac_hba_map_info *info;
 972         int count;
 973         u32 bus, cid;
 974         int ret = FAILED;
 975         struct fib *fib;
 976         int status;
 977         u8 command;
 978
 979         bus = aac_logical_to_phys(scmd_channel(cmd));
 980         cid = scmd_id(cmd);
 981
 982         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
 983                 return FAILED;
 984
 985         info = &aac->hba_map[bus][cid];
 986
 987         if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
 988          !(info->reset_state > 0)))
 989                 return FAILED;
 990
 991         pr_err("%s: Host target reset request. SCSI hang ?\n",
 992                AAC_DRIVERNAME);
 993
 994         fib = aac_fib_alloc(aac);
 995         if (!fib)
 996                 return ret;
 997
 998
 999         /* already tried, start a hard reset now */
1000         command = aac_eh_tmf_hard_reset_fib(info, fib);
1001
1002         info->reset_state = 2;
1003
1004         status = aac_hba_send(command, fib,
1005                               (fib_callback) aac_tmf_callback,
1006                               (void *) info);
1007
1008         if (status != -EINPROGRESS) {
1009                 info->reset_state = 0;
1010                 aac_fib_complete(fib);
1011                 aac_fib_free(fib);
1012                 return ret;
1013         }
1014
1015         /* Wait up to 15 seconds for completion */
1016         for (count = 0; count < 15; ++count) {
1017                 if (info->reset_state <= 0) {
1018                         ret = info->reset_state == 0 ? SUCCESS : FAILED;
1019                         break;
1020                 }
1021                 msleep(1000);
1022         }
1023
1024         return ret;
1025 }
1026
1027 /*
1028  *      aac_eh_bus_reset        - Bus reset command handling
1029  *      @scsi_cmd:      SCSI command block causing the reset
1030  *
1031  */
1032 static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1033 {
1034         struct scsi_device * dev = cmd->device;
1035         struct Scsi_Host * host = dev->host;
1036         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1037         int count;
1038         u32 cmd_bus;
1039         int status = 0;
1040
1041
1042         cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1043         /* Mark the assoc. FIB to not complete, eh handler does this */
1044         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1045                 struct fib *fib = &aac->fibs[count];
1046
1047                 if (fib->hw_fib_va->header.XferState &&
1048                     (fib->flags & FIB_CONTEXT_FLAG) &&
1049                     (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1050                         struct aac_hba_map_info *info;
1051                         u32 bus, cid;
1052
1053                         cmd = (struct scsi_cmnd *)fib->callback_data;
1054                         bus = aac_logical_to_phys(scmd_channel(cmd));
1055                         if (bus != cmd_bus)
1056                                 continue;
1057                         cid = scmd_id(cmd);
1058                         info = &aac->hba_map[bus][cid];
1059                         if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1060                             info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
1061                                 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
1062                                 aac_priv(cmd)->owner = AAC_OWNER_ERROR_HANDLER;
1063                         }
1064                 }
1065         }
1066
1067         pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1068
1069         /*
1070          * Check the health of the controller
1071          */
1072         status = aac_adapter_check_health(aac);
1073         if (status)
1074                 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1075
1076         count = get_num_of_incomplete_fibs(aac);
1077         return (count == 0) ? SUCCESS : FAILED;
1078 }
1079
1080 /*
1081  *      aac_eh_host_reset       - Host reset command handling
1082  *      @scsi_cmd:      SCSI command block causing the reset
1083  *
1084  */
1085 static int aac_eh_host_reset(struct scsi_cmnd *cmd)
1086 {
1087         struct scsi_device * dev = cmd->device;
1088         struct Scsi_Host * host = dev->host;
1089         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1090         int ret = FAILED;
1091         __le32 supported_options2 = 0;
1092         bool is_mu_reset;
1093         bool is_ignore_reset;
1094         bool is_doorbell_reset;
1095
1096         /*
1097          * Check if reset is supported by the firmware
1098          */
1099         supported_options2 = aac->supplement_adapter_info.supported_options2;
1100         is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1101         is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1102         is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1103         /*
1104          * This adapter needs a blind reset, only do so for
1105          * Adapters that support a register, instead of a commanded,
1106          * reset.
1107          */
1108         if ((is_mu_reset || is_doorbell_reset)
1109          && aac_check_reset
1110          && (aac_check_reset != -1 || !is_ignore_reset)) {
1111                 /* Bypass wait for command quiesce */
1112                 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1113                         ret = SUCCESS;
1114         }
1115         /*
1116          * Reset EH state
1117          */
1118         if (ret == SUCCESS) {
1119                 int bus, cid;
1120                 struct aac_hba_map_info *info;
1121
1122                 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1123                         for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1124                                 info = &aac->hba_map[bus][cid];
1125                                 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1126                                         info->reset_state = 0;
1127                         }
1128                 }
1129         }
1130         return ret;
1131 }
1132
1133 /**
1134  *      aac_cfg_open            -       open a configuration file
1135  *      @inode: inode being opened
1136  *      @file: file handle attached
1137  *
1138  *      Called when the configuration device is opened. Does the needed
1139  *      set up on the handle and then returns
1140  *
1141  *      Bugs: This needs extending to check a given adapter is present
1142  *      so we can support hot plugging, and to ref count adapters.
1143  */
1144
1145 static int aac_cfg_open(struct inode *inode, struct file *file)
1146 {
1147         struct aac_dev *aac;
1148         unsigned minor_number = iminor(inode);
1149         int err = -ENODEV;
1150
1151         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
1152         list_for_each_entry(aac, &aac_devices, entry) {
1153                 if (aac->id == minor_number) {
1154                         file->private_data = aac;
1155                         err = 0;
1156                         break;
1157                 }
1158         }
1159         mutex_unlock(&aac_mutex);
1160
1161         return err;
1162 }
1163
1164 /**
1165  *      aac_cfg_ioctl           -       AAC configuration request
1166  *      @file: file handle
1167  *      @cmd: ioctl command code
1168  *      @arg: argument
1169  *
1170  *      Handles a configuration ioctl. Currently this involves wrapping it
1171  *      up and feeding it into the nasty windowsalike glue layer.
1172  *
1173  *      Bugs: Needs locking against parallel ioctls lower down
1174  *      Bugs: Needs to handle hot plugging
1175  */
1176
1177 static long aac_cfg_ioctl(struct file *file,
1178                 unsigned int cmd, unsigned long arg)
1179 {
1180         struct aac_dev *aac = (struct aac_dev *)file->private_data;
1181
1182         if (!capable(CAP_SYS_RAWIO))
1183                 return -EPERM;
1184
1185         return aac_do_ioctl(aac, cmd, (void __user *)arg);
1186 }
1187
1188 static ssize_t aac_show_model(struct device *device,
1189                               struct device_attribute *attr, char *buf)
1190 {
1191         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1192         int len;
1193
1194         if (dev->supplement_adapter_info.adapter_type_text[0]) {
1195                 char *cp = dev->supplement_adapter_info.adapter_type_text;
1196                 while (*cp && *cp != ' ')
1197                         ++cp;
1198                 while (*cp == ' ')
1199                         ++cp;
1200                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1201         } else
1202                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1203                   aac_drivers[dev->cardtype].model);
1204         return len;
1205 }
1206
1207 static ssize_t aac_show_vendor(struct device *device,
1208                                struct device_attribute *attr, char *buf)
1209 {
1210         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1211         struct aac_supplement_adapter_info *sup_adap_info;
1212         int len;
1213
1214         sup_adap_info = &dev->supplement_adapter_info;
1215         if (sup_adap_info->adapter_type_text[0]) {
1216                 char *cp = sup_adap_info->adapter_type_text;
1217                 while (*cp && *cp != ' ')
1218                         ++cp;
1219                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1220                         (int)(cp - (char *)sup_adap_info->adapter_type_text),
1221                                         sup_adap_info->adapter_type_text);
1222         } else
1223                 len = snprintf(buf, PAGE_SIZE, "%s\n",
1224                         aac_drivers[dev->cardtype].vname);
1225         return len;
1226 }
1227
1228 static ssize_t aac_show_flags(struct device *cdev,
1229                               struct device_attribute *attr, char *buf)
1230 {
1231         int len = 0;
1232         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1233
1234         if (nblank(dprintk(x)))
1235                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1236 #ifdef AAC_DETAILED_STATUS_INFO
1237         len += scnprintf(buf + len, PAGE_SIZE - len,
1238                          "AAC_DETAILED_STATUS_INFO\n");
1239 #endif
1240         if (dev->raw_io_interface && dev->raw_io_64)
1241                 len += scnprintf(buf + len, PAGE_SIZE - len,
1242                                  "SAI_READ_CAPACITY_16\n");
1243         if (dev->jbod)
1244                 len += scnprintf(buf + len, PAGE_SIZE - len,
1245                                  "SUPPORTED_JBOD\n");
1246         if (dev->supplement_adapter_info.supported_options2 &
1247                 AAC_OPTION_POWER_MANAGEMENT)
1248                 len += scnprintf(buf + len, PAGE_SIZE - len,
1249                                  "SUPPORTED_POWER_MANAGEMENT\n");
1250         if (dev->msi)
1251                 len += scnprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1252         return len;
1253 }
1254
1255 static ssize_t aac_show_kernel_version(struct device *device,
1256                                        struct device_attribute *attr,
1257                                        char *buf)
1258 {
1259         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1260         int len, tmp;
1261
1262         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1263         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1264           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1265           le32_to_cpu(dev->adapter_info.kernelbuild));
1266         return len;
1267 }
1268
1269 static ssize_t aac_show_monitor_version(struct device *device,
1270                                         struct device_attribute *attr,
1271                                         char *buf)
1272 {
1273         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1274         int len, tmp;
1275
1276         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1277         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1278           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1279           le32_to_cpu(dev->adapter_info.monitorbuild));
1280         return len;
1281 }
1282
1283 static ssize_t aac_show_bios_version(struct device *device,
1284                                      struct device_attribute *attr,
1285                                      char *buf)
1286 {
1287         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1288         int len, tmp;
1289
1290         tmp = le32_to_cpu(dev->adapter_info.biosrev);
1291         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1292           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1293           le32_to_cpu(dev->adapter_info.biosbuild));
1294         return len;
1295 }
1296
1297 static ssize_t aac_show_driver_version(struct device *device,
1298                                         struct device_attribute *attr,
1299                                         char *buf)
1300 {
1301         return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1302 }
1303
1304 static ssize_t aac_show_serial_number(struct device *device,
1305                                struct device_attribute *attr, char *buf)
1306 {
1307         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1308         int len = 0;
1309
1310         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1311                 len = snprintf(buf, 16, "%06X\n",
1312                   le32_to_cpu(dev->adapter_info.serial[0]));
1313         if (len &&
1314           !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1315             sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1316           buf, len-1))
1317                 len = snprintf(buf, 16, "%.*s\n",
1318                   (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1319                   dev->supplement_adapter_info.mfg_pcba_serial_no);
1320
1321         return min(len, 16);
1322 }
1323
1324 static ssize_t aac_show_max_channel(struct device *device,
1325                                     struct device_attribute *attr, char *buf)
1326 {
1327         return snprintf(buf, PAGE_SIZE, "%d\n",
1328           class_to_shost(device)->max_channel);
1329 }
1330
1331 static ssize_t aac_show_max_id(struct device *device,
1332                                struct device_attribute *attr, char *buf)
1333 {
1334         return snprintf(buf, PAGE_SIZE, "%d\n",
1335           class_to_shost(device)->max_id);
1336 }
1337
1338 static ssize_t aac_store_reset_adapter(struct device *device,
1339                                        struct device_attribute *attr,
1340                                        const char *buf, size_t count)
1341 {
1342         int retval = -EACCES;
1343
1344         if (!capable(CAP_SYS_ADMIN))
1345                 return retval;
1346
1347         retval = aac_reset_adapter(shost_priv(class_to_shost(device)),
1348                                         buf[0] == '!', IOP_HWSOFT_RESET);
1349         if (retval >= 0)
1350                 retval = count;
1351
1352         return retval;
1353 }
1354
1355 static ssize_t aac_show_reset_adapter(struct device *device,
1356                                       struct device_attribute *attr,
1357                                       char *buf)
1358 {
1359         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1360         int len, tmp;
1361
1362         tmp = aac_adapter_check_health(dev);
1363         if ((tmp == 0) && dev->in_reset)
1364                 tmp = -EBUSY;
1365         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1366         return len;
1367 }
1368
1369 static struct device_attribute aac_model = {
1370         .attr = {
1371                 .name = "model",
1372                 .mode = S_IRUGO,
1373         },
1374         .show = aac_show_model,
1375 };
1376 static struct device_attribute aac_vendor = {
1377         .attr = {
1378                 .name = "vendor",
1379                 .mode = S_IRUGO,
1380         },
1381         .show = aac_show_vendor,
1382 };
1383 static struct device_attribute aac_flags = {
1384         .attr = {
1385                 .name = "flags",
1386                 .mode = S_IRUGO,
1387         },
1388         .show = aac_show_flags,
1389 };
1390 static struct device_attribute aac_kernel_version = {
1391         .attr = {
1392                 .name = "hba_kernel_version",
1393                 .mode = S_IRUGO,
1394         },
1395         .show = aac_show_kernel_version,
1396 };
1397 static struct device_attribute aac_monitor_version = {
1398         .attr = {
1399                 .name = "hba_monitor_version",
1400                 .mode = S_IRUGO,
1401         },
1402         .show = aac_show_monitor_version,
1403 };
1404 static struct device_attribute aac_bios_version = {
1405         .attr = {
1406                 .name = "hba_bios_version",
1407                 .mode = S_IRUGO,
1408         },
1409         .show = aac_show_bios_version,
1410 };
1411 static struct device_attribute aac_lld_version = {
1412         .attr = {
1413                 .name = "driver_version",
1414                 .mode = 0444,
1415         },
1416         .show = aac_show_driver_version,
1417 };
1418 static struct device_attribute aac_serial_number = {
1419         .attr = {
1420                 .name = "serial_number",
1421                 .mode = S_IRUGO,
1422         },
1423         .show = aac_show_serial_number,
1424 };
1425 static struct device_attribute aac_max_channel = {
1426         .attr = {
1427                 .name = "max_channel",
1428                 .mode = S_IRUGO,
1429         },
1430         .show = aac_show_max_channel,
1431 };
1432 static struct device_attribute aac_max_id = {
1433         .attr = {
1434                 .name = "max_id",
1435                 .mode = S_IRUGO,
1436         },
1437         .show = aac_show_max_id,
1438 };
1439 static struct device_attribute aac_reset = {
1440         .attr = {
1441                 .name = "reset_host",
1442                 .mode = S_IWUSR|S_IRUGO,
1443         },
1444         .store = aac_store_reset_adapter,
1445         .show = aac_show_reset_adapter,
1446 };
1447
1448 static struct attribute *aac_host_attrs[] = {
1449         &aac_model.attr,
1450         &aac_vendor.attr,
1451         &aac_flags.attr,
1452         &aac_kernel_version.attr,
1453         &aac_monitor_version.attr,
1454         &aac_bios_version.attr,
1455         &aac_lld_version.attr,
1456         &aac_serial_number.attr,
1457         &aac_max_channel.attr,
1458         &aac_max_id.attr,
1459         &aac_reset.attr,
1460         NULL
1461 };
1462
1463 ATTRIBUTE_GROUPS(aac_host);
1464
1465 ssize_t aac_get_serial_number(struct device *device, char *buf)
1466 {
1467         return aac_show_serial_number(device, &aac_serial_number, buf);
1468 }
1469
1470 static const struct file_operations aac_cfg_fops = {
1471         .owner          = THIS_MODULE,
1472         .unlocked_ioctl = aac_cfg_ioctl,
1473 #ifdef CONFIG_COMPAT
1474         .compat_ioctl   = aac_cfg_ioctl,
1475 #endif
1476         .open           = aac_cfg_open,
1477         .llseek         = noop_llseek,
1478 };
1479
1480 static const struct scsi_host_template aac_driver_template = {
1481         .module                         = THIS_MODULE,
1482         .name                           = "AAC",
1483         .proc_name                      = AAC_DRIVERNAME,
1484         .info                           = aac_info,
1485         .ioctl                          = aac_ioctl,
1486 #ifdef CONFIG_COMPAT
1487         .compat_ioctl                   = aac_ioctl,
1488 #endif
1489         .queuecommand                   = aac_queuecommand,
1490         .bios_param                     = aac_biosparm,
1491         .shost_groups                   = aac_host_groups,
1492         .sdev_configure                 = aac_sdev_configure,
1493         .change_queue_depth             = aac_change_queue_depth,
1494         .sdev_groups                    = aac_dev_groups,
1495         .eh_abort_handler               = aac_eh_abort,
1496         .eh_device_reset_handler        = aac_eh_dev_reset,
1497         .eh_target_reset_handler        = aac_eh_target_reset,
1498         .eh_bus_reset_handler           = aac_eh_bus_reset,
1499         .eh_host_reset_handler          = aac_eh_host_reset,
1500         .can_queue                      = AAC_NUM_IO_FIB,
1501         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1502         .sg_tablesize                   = 16,
1503         .max_sectors                    = 128,
1504 #if (AAC_NUM_IO_FIB > 256)
1505         .cmd_per_lun                    = 256,
1506 #else
1507         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1508 #endif
1509         .emulated                       = 1,
1510         .no_write_same                  = 1,
1511         .cmd_size                       = sizeof(struct aac_cmd_priv),
1512 };
1513
1514 static void __aac_shutdown(struct aac_dev * aac)
1515 {
1516         int i;
1517
1518         mutex_lock(&aac->ioctl_mutex);
1519         aac->adapter_shutdown = 1;
1520         mutex_unlock(&aac->ioctl_mutex);
1521
1522         if (aac->aif_thread) {
1523                 int i;
1524                 /* Clear out events first */
1525                 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1526                         struct fib *fib = &aac->fibs[i];
1527                         if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1528                             (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1529                                 complete(&fib->event_wait);
1530                 }
1531                 kthread_stop(aac->thread);
1532                 aac->thread = NULL;
1533         }
1534
1535         aac_send_shutdown(aac);
1536
1537         aac_adapter_disable_int(aac);
1538
1539         if (aac_is_src(aac)) {
1540                 if (aac->max_msix > 1) {
1541                         for (i = 0; i < aac->max_msix; i++) {
1542                                 free_irq(pci_irq_vector(aac->pdev, i),
1543                                          &(aac->aac_msix[i]));
1544                         }
1545                 } else {
1546                         free_irq(aac->pdev->irq,
1547                                  &(aac->aac_msix[0]));
1548                 }
1549         } else {
1550                 free_irq(aac->pdev->irq, aac);
1551         }
1552         if (aac->msi)
1553                 pci_disable_msi(aac->pdev);
1554         else if (aac->max_msix > 1)
1555                 pci_disable_msix(aac->pdev);
1556 }
1557 static void aac_init_char(void)
1558 {
1559         aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1560         if (aac_cfg_major < 0) {
1561                 pr_err("aacraid: unable to register \"aac\" device.\n");
1562         }
1563 }
1564
1565 void aac_reinit_aif(struct aac_dev *aac, unsigned int index)
1566 {
1567         /*
1568          * Firmware may send a AIF messages very early and the Driver may have
1569          * ignored as it is not fully ready to process the messages. Send
1570          * AIF to firmware so that if there are any unprocessed events they
1571          * can be processed now.
1572          */
1573         if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1574                 aac_intr_normal(aac, 0, 2, 0, NULL);
1575
1576 }
1577
1578 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1579 {
1580         unsigned index = id->driver_data;
1581         struct Scsi_Host *shost;
1582         struct aac_dev *aac;
1583         struct list_head *insert = &aac_devices;
1584         int error;
1585         int unique_id = 0;
1586         u64 dmamask;
1587         int mask_bits = 0;
1588         extern int aac_sync_mode;
1589
1590         /*
1591          * Only series 7 needs freset.
1592          */
1593         if (pdev->device == PMC_DEVICE_S7)
1594                 pdev->needs_freset = 1;
1595
1596         list_for_each_entry(aac, &aac_devices, entry) {
1597                 if (aac->id > unique_id)
1598                         break;
1599                 insert = &aac->entry;
1600                 unique_id++;
1601         }
1602
1603         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1604                                PCIE_LINK_STATE_CLKPM);
1605
1606         error = pci_enable_device(pdev);
1607         if (error)
1608                 goto out;
1609
1610         if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1611                 error = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
1612                 if (error) {
1613                         dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1614                         goto out_disable_pdev;
1615                 }
1616         }
1617
1618         /*
1619          * If the quirk31 bit is set, the adapter needs adapter
1620          * to driver communication memory to be allocated below 2gig
1621          */
1622         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1623                 dmamask = DMA_BIT_MASK(31);
1624                 mask_bits = 31;
1625         } else {
1626                 dmamask = DMA_BIT_MASK(32);
1627                 mask_bits = 32;
1628         }
1629
1630         error = dma_set_coherent_mask(&pdev->dev, dmamask);
1631         if (error) {
1632                 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1633                                 , mask_bits);
1634                 goto out_disable_pdev;
1635         }
1636
1637         pci_set_master(pdev);
1638
1639         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1640         if (!shost) {
1641                 error = -ENOMEM;
1642                 goto out_disable_pdev;
1643         }
1644
1645         shost->irq = pdev->irq;
1646         shost->unique_id = unique_id;
1647         shost->max_cmd_len = 16;
1648
1649         if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1650                 aac_init_char();
1651
1652         aac = (struct aac_dev *)shost->hostdata;
1653         aac->base_start = pci_resource_start(pdev, 0);
1654         aac->scsi_host_ptr = shost;
1655         aac->pdev = pdev;
1656         aac->name = aac_driver_template.name;
1657         aac->id = shost->unique_id;
1658         aac->cardtype = index;
1659         INIT_LIST_HEAD(&aac->entry);
1660
1661         if (aac_reset_devices || reset_devices)
1662                 aac->init_reset = true;
1663
1664         aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
1665                             sizeof(struct fib),
1666                             GFP_KERNEL);
1667         if (!aac->fibs) {
1668                 error = -ENOMEM;
1669                 goto out_free_host;
1670         }
1671
1672         spin_lock_init(&aac->fib_lock);
1673
1674         mutex_init(&aac->ioctl_mutex);
1675         mutex_init(&aac->scan_mutex);
1676
1677         INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker);
1678         INIT_DELAYED_WORK(&aac->src_reinit_aif_worker,
1679                                 aac_src_reinit_aif_worker);
1680         /*
1681          *      Map in the registers from the adapter.
1682          */
1683         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1684         if ((*aac_drivers[index].init)(aac)) {
1685                 error = -ENODEV;
1686                 goto out_unmap;
1687         }
1688
1689         if (aac->sync_mode) {
1690                 if (aac_sync_mode)
1691                         printk(KERN_INFO "%s%d: Sync. mode enforced "
1692                                 "by driver parameter. This will cause "
1693                                 "a significant performance decrease!\n",
1694                                 aac->name,
1695                                 aac->id);
1696                 else
1697                         printk(KERN_INFO "%s%d: Async. mode not supported "
1698                                 "by current driver, sync. mode enforced."
1699                                 "\nPlease update driver to get full performance.\n",
1700                                 aac->name,
1701                                 aac->id);
1702         }
1703
1704         /*
1705          *      Start any kernel threads needed
1706          */
1707         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1708         if (IS_ERR(aac->thread)) {
1709                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1710                 error = PTR_ERR(aac->thread);
1711                 aac->thread = NULL;
1712                 goto out_deinit;
1713         }
1714
1715         aac->maximum_num_channels = aac_drivers[index].channels;
1716         error = aac_get_adapter_info(aac);
1717         if (error < 0)
1718                 goto out_deinit;
1719
1720         /*
1721          * Lets override negotiations and drop the maximum SG limit to 34
1722          */
1723         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1724                         (shost->sg_tablesize > 34)) {
1725                 shost->sg_tablesize = 34;
1726                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1727         }
1728
1729         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1730                         (shost->sg_tablesize > 17)) {
1731                 shost->sg_tablesize = 17;
1732                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1733         }
1734
1735         if (aac->adapter_info.options & AAC_OPT_NEW_COMM)
1736                 shost->max_segment_size = shost->max_sectors << 9;
1737         else
1738                 shost->max_segment_size = 65536;
1739
1740         /*
1741          * Firmware printf works only with older firmware.
1742          */
1743         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1744                 aac->printf_enabled = 1;
1745         else
1746                 aac->printf_enabled = 0;
1747
1748         /*
1749          * max channel will be the physical channels plus 1 virtual channel
1750          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1751          * physical channels are address by their actual physical number+1
1752          */
1753         if (aac->nondasd_support || expose_physicals || aac->jbod)
1754                 shost->max_channel = aac->maximum_num_channels;
1755         else
1756                 shost->max_channel = 0;
1757
1758         aac_get_config_status(aac, 0);
1759         aac_get_containers(aac);
1760         list_add(&aac->entry, insert);
1761
1762         shost->max_id = aac->maximum_num_containers;
1763         if (shost->max_id < aac->maximum_num_physicals)
1764                 shost->max_id = aac->maximum_num_physicals;
1765         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1766                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1767         else
1768                 shost->this_id = shost->max_id;
1769
1770         if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1771                 aac_intr_normal(aac, 0, 2, 0, NULL);
1772
1773         /*
1774          * dmb - we may need to move the setting of these parms somewhere else once
1775          * we get a fib that can report the actual numbers
1776          */
1777         shost->max_lun = AAC_MAX_LUN;
1778
1779         pci_set_drvdata(pdev, shost);
1780
1781         error = scsi_add_host(shost, &pdev->dev);
1782         if (error)
1783                 goto out_deinit;
1784
1785         aac_scan_host(aac);
1786
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                 aac_adapter_ioremap(aac, 0);
1953
1954                 return PCI_ERS_RESULT_NEED_RESET;
1955         case pci_channel_io_perm_failure:
1956                 aac->handle_pci_error = 1;
1957
1958                 scsi_host_complete_all_commands(shost, DID_NO_CONNECT);
1959                 return PCI_ERS_RESULT_DISCONNECT;
1960         }
1961
1962         return PCI_ERS_RESULT_NEED_RESET;
1963 }
1964
1965 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1966 {
1967         dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1968         return PCI_ERS_RESULT_NEED_RESET;
1969 }
1970
1971 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1972 {
1973         dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1974         pci_restore_state(pdev);
1975         if (pci_enable_device(pdev)) {
1976                 dev_warn(&pdev->dev,
1977                         "aacraid: failed to enable slave\n");
1978                 goto fail_device;
1979         }
1980
1981         pci_set_master(pdev);
1982
1983         if (pci_enable_device_mem(pdev)) {
1984                 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1985                 goto fail_device;
1986         }
1987
1988         return PCI_ERS_RESULT_RECOVERED;
1989
1990 fail_device:
1991         dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1992         return PCI_ERS_RESULT_DISCONNECT;
1993 }
1994
1995
1996 static void aac_pci_resume(struct pci_dev *pdev)
1997 {
1998         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1999         struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2000
2001         if (aac_adapter_ioremap(aac, aac->base_size)) {
2002
2003                 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2004                 /* remap failed, go back ... */
2005                 aac->comm_interface = AAC_COMM_PRODUCER;
2006                 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2007                         dev_warn(&pdev->dev,
2008                                 "aacraid: unable to map adapter.\n");
2009
2010                         return;
2011                 }
2012         }
2013
2014         msleep(10000);
2015
2016         aac_acquire_resources(aac);
2017
2018         /*
2019          * reset this flag to unblock ioctl() as it was set
2020          * at aac_send_shutdown() to block ioctls from upperlayer
2021          */
2022         aac->adapter_shutdown = 0;
2023         aac->handle_pci_error = 0;
2024
2025         scsi_host_unblock(shost, SDEV_RUNNING);
2026         aac_scan_host(aac);
2027         pci_save_state(pdev);
2028
2029         dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2030 }
2031
2032 static struct pci_error_handlers aac_pci_err_handler = {
2033         .error_detected         = aac_pci_error_detected,
2034         .mmio_enabled           = aac_pci_mmio_enabled,
2035         .slot_reset             = aac_pci_slot_reset,
2036         .resume                 = aac_pci_resume,
2037 };
2038
2039 static SIMPLE_DEV_PM_OPS(aac_pm_ops, aac_suspend, aac_resume);
2040
2041 static struct pci_driver aac_pci_driver = {
2042         .name           = AAC_DRIVERNAME,
2043         .id_table       = aac_pci_tbl,
2044         .probe          = aac_probe_one,
2045         .remove         = aac_remove_one,
2046         .driver.pm      = &aac_pm_ops,
2047         .shutdown       = aac_shutdown,
2048         .err_handler    = &aac_pci_err_handler,
2049 };
2050
2051 static int __init aac_init(void)
2052 {
2053         int error;
2054
2055         printk(KERN_INFO "Adaptec %s driver %s\n",
2056           AAC_DRIVERNAME, aac_driver_version);
2057
2058         error = pci_register_driver(&aac_pci_driver);
2059         if (error < 0)
2060                 return error;
2061
2062         aac_init_char();
2063
2064
2065         return 0;
2066 }
2067
2068 static void __exit aac_exit(void)
2069 {
2070         if (aac_cfg_major > -1)
2071                 unregister_chrdev(aac_cfg_major, "aac");
2072         pci_unregister_driver(&aac_pci_driver);
2073 }
2074
2075 module_init(aac_init);
2076 module_exit(aac_exit);