| 1 | /* |
| 2 | * Adaptec AAC series RAID controller driver |
| 3 | * (c) Copyright 2001 Red Hat Inc. |
| 4 | * |
| 5 | * based on the old aacraid driver that is.. |
| 6 | * Adaptec aacraid device driver for Linux. |
| 7 | * |
| 8 | * Copyright (c) 2000-2010 Adaptec, Inc. |
| 9 | * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) |
| 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2, or (at your option) |
| 14 | * any later version. |
| 15 | * |
| 16 | * This program is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this program; see the file COPYING. If not, write to |
| 23 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
| 24 | * |
| 25 | * Module Name: |
| 26 | * linit.c |
| 27 | * |
| 28 | * Abstract: Linux Driver entry module for Adaptec RAID Array Controller |
| 29 | */ |
| 30 | |
| 31 | |
| 32 | #include <linux/compat.h> |
| 33 | #include <linux/blkdev.h> |
| 34 | #include <linux/completion.h> |
| 35 | #include <linux/init.h> |
| 36 | #include <linux/interrupt.h> |
| 37 | #include <linux/kernel.h> |
| 38 | #include <linux/module.h> |
| 39 | #include <linux/moduleparam.h> |
| 40 | #include <linux/pci.h> |
| 41 | #include <linux/aer.h> |
| 42 | #include <linux/pci-aspm.h> |
| 43 | #include <linux/slab.h> |
| 44 | #include <linux/mutex.h> |
| 45 | #include <linux/spinlock.h> |
| 46 | #include <linux/syscalls.h> |
| 47 | #include <linux/delay.h> |
| 48 | #include <linux/kthread.h> |
| 49 | |
| 50 | #include <scsi/scsi.h> |
| 51 | #include <scsi/scsi_cmnd.h> |
| 52 | #include <scsi/scsi_device.h> |
| 53 | #include <scsi/scsi_host.h> |
| 54 | #include <scsi/scsi_tcq.h> |
| 55 | #include <scsi/scsicam.h> |
| 56 | #include <scsi/scsi_eh.h> |
| 57 | |
| 58 | #include "aacraid.h" |
| 59 | |
| 60 | #define AAC_DRIVER_VERSION "1.2-1" |
| 61 | #ifndef AAC_DRIVER_BRANCH |
| 62 | #define AAC_DRIVER_BRANCH "" |
| 63 | #endif |
| 64 | #define AAC_DRIVERNAME "aacraid" |
| 65 | |
| 66 | #ifdef AAC_DRIVER_BUILD |
| 67 | #define _str(x) #x |
| 68 | #define str(x) _str(x) |
| 69 | #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH |
| 70 | #else |
| 71 | #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH |
| 72 | #endif |
| 73 | |
| 74 | MODULE_AUTHOR("Red Hat Inc and Adaptec"); |
| 75 | MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " |
| 76 | "Adaptec Advanced Raid Products, " |
| 77 | "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); |
| 78 | MODULE_LICENSE("GPL"); |
| 79 | MODULE_VERSION(AAC_DRIVER_FULL_VERSION); |
| 80 | |
| 81 | static DEFINE_MUTEX(aac_mutex); |
| 82 | static LIST_HEAD(aac_devices); |
| 83 | static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; |
| 84 | char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; |
| 85 | |
| 86 | /* |
| 87 | * Because of the way Linux names scsi devices, the order in this table has |
| 88 | * become important. Check for on-board Raid first, add-in cards second. |
| 89 | * |
| 90 | * Note: The last field is used to index into aac_drivers below. |
| 91 | */ |
| 92 | static const struct pci_device_id aac_pci_tbl[] = { |
| 93 | { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ |
| 94 | { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ |
| 95 | { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ |
| 96 | { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ |
| 97 | { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ |
| 98 | { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ |
| 99 | { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ |
| 100 | { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ |
| 101 | { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ |
| 102 | { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ |
| 103 | { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ |
| 104 | { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ |
| 105 | { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ |
| 106 | { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ |
| 107 | { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ |
| 108 | { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ |
| 109 | |
| 110 | { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ |
| 111 | { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ |
| 112 | { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ |
| 113 | { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ |
| 114 | { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ |
| 115 | { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ |
| 116 | { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ |
| 117 | { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ |
| 118 | { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ |
| 119 | { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ |
| 120 | { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ |
| 121 | { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ |
| 122 | { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ |
| 123 | { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ |
| 124 | { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ |
| 125 | { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ |
| 126 | { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ |
| 127 | { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ |
| 128 | { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ |
| 129 | { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ |
| 130 | { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ |
| 131 | { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ |
| 132 | { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ |
| 133 | { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ |
| 134 | { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ |
| 135 | { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ |
| 136 | { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ |
| 137 | { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ |
| 138 | { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ |
| 139 | { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ |
| 140 | { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ |
| 141 | { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ |
| 142 | { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ |
| 143 | { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ |
| 144 | { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ |
| 145 | { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ |
| 146 | { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ |
| 147 | { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ |
| 148 | |
| 149 | { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ |
| 150 | { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ |
| 151 | { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ |
| 152 | { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ |
| 153 | { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ |
| 154 | |
| 155 | { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ |
| 156 | { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ |
| 157 | { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ |
| 158 | { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ |
| 159 | { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ |
| 160 | { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ |
| 161 | { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ |
| 162 | { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ |
| 163 | { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */ |
| 164 | { 0,} |
| 165 | }; |
| 166 | MODULE_DEVICE_TABLE(pci, aac_pci_tbl); |
| 167 | |
| 168 | /* |
| 169 | * dmb - For now we add the number of channels to this structure. |
| 170 | * In the future we should add a fib that reports the number of channels |
| 171 | * for the card. At that time we can remove the channels from here |
| 172 | */ |
| 173 | static struct aac_driver_ident aac_drivers[] = { |
| 174 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ |
| 175 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ |
| 176 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ |
| 177 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ |
| 178 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ |
| 179 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ |
| 180 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ |
| 181 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ |
| 182 | { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ |
| 183 | { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ |
| 184 | { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ |
| 185 | { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ |
| 186 | { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ |
| 187 | { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ |
| 188 | { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ |
| 189 | { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ |
| 190 | |
| 191 | { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ |
| 192 | { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ |
| 193 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ |
| 194 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ |
| 195 | { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ |
| 196 | { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ |
| 197 | { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ |
| 198 | { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ |
| 199 | { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ |
| 200 | { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ |
| 201 | { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ |
| 202 | { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ |
| 203 | { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ |
| 204 | { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ |
| 205 | { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ |
| 206 | { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ |
| 207 | { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ |
| 208 | { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ |
| 209 | { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ |
| 210 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ |
| 211 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ |
| 212 | { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ |
| 213 | { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ |
| 214 | { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ |
| 215 | { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ |
| 216 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ |
| 217 | { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ |
| 218 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ |
| 219 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ |
| 220 | { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ |
| 221 | { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ |
| 222 | { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ |
| 223 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ |
| 224 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ |
| 225 | { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ |
| 226 | { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ |
| 227 | |
| 228 | { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ |
| 229 | { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ |
| 230 | { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ |
| 231 | { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ |
| 232 | { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ |
| 233 | |
| 234 | { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ |
| 235 | { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ |
| 236 | { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ |
| 237 | { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ |
| 238 | { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ |
| 239 | { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */ |
| 240 | { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */ |
| 241 | { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */ |
| 242 | { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */ |
| 243 | }; |
| 244 | |
| 245 | /** |
| 246 | * aac_queuecommand - queue a SCSI command |
| 247 | * @cmd: SCSI command to queue |
| 248 | * @done: Function to call on command completion |
| 249 | * |
| 250 | * Queues a command for execution by the associated Host Adapter. |
| 251 | * |
| 252 | * TODO: unify with aac_scsi_cmd(). |
| 253 | */ |
| 254 | |
| 255 | static int aac_queuecommand(struct Scsi_Host *shost, |
| 256 | struct scsi_cmnd *cmd) |
| 257 | { |
| 258 | int r = 0; |
| 259 | cmd->SCp.phase = AAC_OWNER_LOWLEVEL; |
| 260 | r = (aac_scsi_cmd(cmd) ? FAILED : 0); |
| 261 | return r; |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * aac_info - Returns the host adapter name |
| 266 | * @shost: Scsi host to report on |
| 267 | * |
| 268 | * Returns a static string describing the device in question |
| 269 | */ |
| 270 | |
| 271 | static const char *aac_info(struct Scsi_Host *shost) |
| 272 | { |
| 273 | struct aac_dev *dev = (struct aac_dev *)shost->hostdata; |
| 274 | return aac_drivers[dev->cardtype].name; |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * aac_get_driver_ident |
| 279 | * @devtype: index into lookup table |
| 280 | * |
| 281 | * Returns a pointer to the entry in the driver lookup table. |
| 282 | */ |
| 283 | |
| 284 | struct aac_driver_ident* aac_get_driver_ident(int devtype) |
| 285 | { |
| 286 | return &aac_drivers[devtype]; |
| 287 | } |
| 288 | |
| 289 | /** |
| 290 | * aac_biosparm - return BIOS parameters for disk |
| 291 | * @sdev: The scsi device corresponding to the disk |
| 292 | * @bdev: the block device corresponding to the disk |
| 293 | * @capacity: the sector capacity of the disk |
| 294 | * @geom: geometry block to fill in |
| 295 | * |
| 296 | * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. |
| 297 | * The default disk geometry is 64 heads, 32 sectors, and the appropriate |
| 298 | * number of cylinders so as not to exceed drive capacity. In order for |
| 299 | * disks equal to or larger than 1 GB to be addressable by the BIOS |
| 300 | * without exceeding the BIOS limitation of 1024 cylinders, Extended |
| 301 | * Translation should be enabled. With Extended Translation enabled, |
| 302 | * drives between 1 GB inclusive and 2 GB exclusive are given a disk |
| 303 | * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive |
| 304 | * are given a disk geometry of 255 heads and 63 sectors. However, if |
| 305 | * the BIOS detects that the Extended Translation setting does not match |
| 306 | * the geometry in the partition table, then the translation inferred |
| 307 | * from the partition table will be used by the BIOS, and a warning may |
| 308 | * be displayed. |
| 309 | */ |
| 310 | |
| 311 | static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, |
| 312 | sector_t capacity, int *geom) |
| 313 | { |
| 314 | struct diskparm *param = (struct diskparm *)geom; |
| 315 | unsigned char *buf; |
| 316 | |
| 317 | dprintk((KERN_DEBUG "aac_biosparm.\n")); |
| 318 | |
| 319 | /* |
| 320 | * Assuming extended translation is enabled - #REVISIT# |
| 321 | */ |
| 322 | if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ |
| 323 | if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ |
| 324 | param->heads = 255; |
| 325 | param->sectors = 63; |
| 326 | } else { |
| 327 | param->heads = 128; |
| 328 | param->sectors = 32; |
| 329 | } |
| 330 | } else { |
| 331 | param->heads = 64; |
| 332 | param->sectors = 32; |
| 333 | } |
| 334 | |
| 335 | param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); |
| 336 | |
| 337 | /* |
| 338 | * Read the first 1024 bytes from the disk device, if the boot |
| 339 | * sector partition table is valid, search for a partition table |
| 340 | * entry whose end_head matches one of the standard geometry |
| 341 | * translations ( 64/32, 128/32, 255/63 ). |
| 342 | */ |
| 343 | buf = scsi_bios_ptable(bdev); |
| 344 | if (!buf) |
| 345 | return 0; |
| 346 | if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { |
| 347 | struct partition *first = (struct partition * )buf; |
| 348 | struct partition *entry = first; |
| 349 | int saved_cylinders = param->cylinders; |
| 350 | int num; |
| 351 | unsigned char end_head, end_sec; |
| 352 | |
| 353 | for(num = 0; num < 4; num++) { |
| 354 | end_head = entry->end_head; |
| 355 | end_sec = entry->end_sector & 0x3f; |
| 356 | |
| 357 | if(end_head == 63) { |
| 358 | param->heads = 64; |
| 359 | param->sectors = 32; |
| 360 | break; |
| 361 | } else if(end_head == 127) { |
| 362 | param->heads = 128; |
| 363 | param->sectors = 32; |
| 364 | break; |
| 365 | } else if(end_head == 254) { |
| 366 | param->heads = 255; |
| 367 | param->sectors = 63; |
| 368 | break; |
| 369 | } |
| 370 | entry++; |
| 371 | } |
| 372 | |
| 373 | if (num == 4) { |
| 374 | end_head = first->end_head; |
| 375 | end_sec = first->end_sector & 0x3f; |
| 376 | } |
| 377 | |
| 378 | param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); |
| 379 | if (num < 4 && end_sec == param->sectors) { |
| 380 | if (param->cylinders != saved_cylinders) |
| 381 | dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", |
| 382 | param->heads, param->sectors, num)); |
| 383 | } else if (end_head > 0 || end_sec > 0) { |
| 384 | dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", |
| 385 | end_head + 1, end_sec, num)); |
| 386 | dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", |
| 387 | param->heads, param->sectors)); |
| 388 | } |
| 389 | } |
| 390 | kfree(buf); |
| 391 | return 0; |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * aac_slave_configure - compute queue depths |
| 396 | * @sdev: SCSI device we are considering |
| 397 | * |
| 398 | * Selects queue depths for each target device based on the host adapter's |
| 399 | * total capacity and the queue depth supported by the target device. |
| 400 | * A queue depth of one automatically disables tagged queueing. |
| 401 | */ |
| 402 | |
| 403 | static int aac_slave_configure(struct scsi_device *sdev) |
| 404 | { |
| 405 | struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; |
| 406 | if (aac->jbod && (sdev->type == TYPE_DISK)) |
| 407 | sdev->removable = 1; |
| 408 | if ((sdev->type == TYPE_DISK) && |
| 409 | (sdev_channel(sdev) != CONTAINER_CHANNEL) && |
| 410 | (!aac->jbod || sdev->inq_periph_qual) && |
| 411 | (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { |
| 412 | if (expose_physicals == 0) |
| 413 | return -ENXIO; |
| 414 | if (expose_physicals < 0) |
| 415 | sdev->no_uld_attach = 1; |
| 416 | } |
| 417 | if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && |
| 418 | (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && |
| 419 | !sdev->no_uld_attach) { |
| 420 | struct scsi_device * dev; |
| 421 | struct Scsi_Host *host = sdev->host; |
| 422 | unsigned num_lsu = 0; |
| 423 | unsigned num_one = 0; |
| 424 | unsigned depth; |
| 425 | unsigned cid; |
| 426 | |
| 427 | /* |
| 428 | * Firmware has an individual device recovery time typically |
| 429 | * of 35 seconds, give us a margin. |
| 430 | */ |
| 431 | if (sdev->request_queue->rq_timeout < (45 * HZ)) |
| 432 | blk_queue_rq_timeout(sdev->request_queue, 45*HZ); |
| 433 | for (cid = 0; cid < aac->maximum_num_containers; ++cid) |
| 434 | if (aac->fsa_dev[cid].valid) |
| 435 | ++num_lsu; |
| 436 | __shost_for_each_device(dev, host) { |
| 437 | if (dev->tagged_supported && (dev->type == TYPE_DISK) && |
| 438 | (!aac->raid_scsi_mode || |
| 439 | (sdev_channel(sdev) != 2)) && |
| 440 | !dev->no_uld_attach) { |
| 441 | if ((sdev_channel(dev) != CONTAINER_CHANNEL) |
| 442 | || !aac->fsa_dev[sdev_id(dev)].valid) |
| 443 | ++num_lsu; |
| 444 | } else |
| 445 | ++num_one; |
| 446 | } |
| 447 | if (num_lsu == 0) |
| 448 | ++num_lsu; |
| 449 | depth = (host->can_queue - num_one) / num_lsu; |
| 450 | if (depth > 256) |
| 451 | depth = 256; |
| 452 | else if (depth < 2) |
| 453 | depth = 2; |
| 454 | scsi_change_queue_depth(sdev, depth); |
| 455 | } else { |
| 456 | scsi_change_queue_depth(sdev, 1); |
| 457 | |
| 458 | sdev->tagged_supported = 1; |
| 459 | } |
| 460 | |
| 461 | return 0; |
| 462 | } |
| 463 | |
| 464 | /** |
| 465 | * aac_change_queue_depth - alter queue depths |
| 466 | * @sdev: SCSI device we are considering |
| 467 | * @depth: desired queue depth |
| 468 | * |
| 469 | * Alters queue depths for target device based on the host adapter's |
| 470 | * total capacity and the queue depth supported by the target device. |
| 471 | */ |
| 472 | |
| 473 | static int aac_change_queue_depth(struct scsi_device *sdev, int depth) |
| 474 | { |
| 475 | if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && |
| 476 | (sdev_channel(sdev) == CONTAINER_CHANNEL)) { |
| 477 | struct scsi_device * dev; |
| 478 | struct Scsi_Host *host = sdev->host; |
| 479 | unsigned num = 0; |
| 480 | |
| 481 | __shost_for_each_device(dev, host) { |
| 482 | if (dev->tagged_supported && (dev->type == TYPE_DISK) && |
| 483 | (sdev_channel(dev) == CONTAINER_CHANNEL)) |
| 484 | ++num; |
| 485 | ++num; |
| 486 | } |
| 487 | if (num >= host->can_queue) |
| 488 | num = host->can_queue - 1; |
| 489 | if (depth > (host->can_queue - num)) |
| 490 | depth = host->can_queue - num; |
| 491 | if (depth > 256) |
| 492 | depth = 256; |
| 493 | else if (depth < 2) |
| 494 | depth = 2; |
| 495 | return scsi_change_queue_depth(sdev, depth); |
| 496 | } |
| 497 | |
| 498 | return scsi_change_queue_depth(sdev, 1); |
| 499 | } |
| 500 | |
| 501 | static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) |
| 502 | { |
| 503 | struct scsi_device *sdev = to_scsi_device(dev); |
| 504 | struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); |
| 505 | if (sdev_channel(sdev) != CONTAINER_CHANNEL) |
| 506 | return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach |
| 507 | ? "Hidden\n" : |
| 508 | ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); |
| 509 | return snprintf(buf, PAGE_SIZE, "%s\n", |
| 510 | get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); |
| 511 | } |
| 512 | |
| 513 | static struct device_attribute aac_raid_level_attr = { |
| 514 | .attr = { |
| 515 | .name = "level", |
| 516 | .mode = S_IRUGO, |
| 517 | }, |
| 518 | .show = aac_show_raid_level |
| 519 | }; |
| 520 | |
| 521 | static struct device_attribute *aac_dev_attrs[] = { |
| 522 | &aac_raid_level_attr, |
| 523 | NULL, |
| 524 | }; |
| 525 | |
| 526 | static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) |
| 527 | { |
| 528 | struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; |
| 529 | if (!capable(CAP_SYS_RAWIO)) |
| 530 | return -EPERM; |
| 531 | return aac_do_ioctl(dev, cmd, arg); |
| 532 | } |
| 533 | |
| 534 | static int aac_eh_abort(struct scsi_cmnd* cmd) |
| 535 | { |
| 536 | struct scsi_device * dev = cmd->device; |
| 537 | struct Scsi_Host * host = dev->host; |
| 538 | struct aac_dev * aac = (struct aac_dev *)host->hostdata; |
| 539 | int count; |
| 540 | int ret = FAILED; |
| 541 | |
| 542 | printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n", |
| 543 | AAC_DRIVERNAME, |
| 544 | host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); |
| 545 | switch (cmd->cmnd[0]) { |
| 546 | case SERVICE_ACTION_IN_16: |
| 547 | if (!(aac->raw_io_interface) || |
| 548 | !(aac->raw_io_64) || |
| 549 | ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) |
| 550 | break; |
| 551 | case INQUIRY: |
| 552 | case READ_CAPACITY: |
| 553 | /* Mark associated FIB to not complete, eh handler does this */ |
| 554 | for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { |
| 555 | struct fib * fib = &aac->fibs[count]; |
| 556 | if (fib->hw_fib_va->header.XferState && |
| 557 | (fib->flags & FIB_CONTEXT_FLAG) && |
| 558 | (fib->callback_data == cmd)) { |
| 559 | fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; |
| 560 | cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; |
| 561 | ret = SUCCESS; |
| 562 | } |
| 563 | } |
| 564 | break; |
| 565 | case TEST_UNIT_READY: |
| 566 | /* Mark associated FIB to not complete, eh handler does this */ |
| 567 | for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { |
| 568 | struct scsi_cmnd * command; |
| 569 | struct fib * fib = &aac->fibs[count]; |
| 570 | if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && |
| 571 | (fib->flags & FIB_CONTEXT_FLAG) && |
| 572 | ((command = fib->callback_data)) && |
| 573 | (command->device == cmd->device)) { |
| 574 | fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; |
| 575 | command->SCp.phase = AAC_OWNER_ERROR_HANDLER; |
| 576 | if (command == cmd) |
| 577 | ret = SUCCESS; |
| 578 | } |
| 579 | } |
| 580 | } |
| 581 | return ret; |
| 582 | } |
| 583 | |
| 584 | /* |
| 585 | * aac_eh_reset - Reset command handling |
| 586 | * @scsi_cmd: SCSI command block causing the reset |
| 587 | * |
| 588 | */ |
| 589 | static int aac_eh_reset(struct scsi_cmnd* cmd) |
| 590 | { |
| 591 | struct scsi_device * dev = cmd->device; |
| 592 | struct Scsi_Host * host = dev->host; |
| 593 | struct scsi_cmnd * command; |
| 594 | int count; |
| 595 | struct aac_dev * aac = (struct aac_dev *)host->hostdata; |
| 596 | unsigned long flags; |
| 597 | |
| 598 | /* Mark the associated FIB to not complete, eh handler does this */ |
| 599 | for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { |
| 600 | struct fib * fib = &aac->fibs[count]; |
| 601 | if (fib->hw_fib_va->header.XferState && |
| 602 | (fib->flags & FIB_CONTEXT_FLAG) && |
| 603 | (fib->callback_data == cmd)) { |
| 604 | fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; |
| 605 | cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; |
| 606 | } |
| 607 | } |
| 608 | printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", |
| 609 | AAC_DRIVERNAME); |
| 610 | |
| 611 | if ((count = aac_check_health(aac))) |
| 612 | return count; |
| 613 | /* |
| 614 | * Wait for all commands to complete to this specific |
| 615 | * target (block maximum 60 seconds). |
| 616 | */ |
| 617 | for (count = 60; count; --count) { |
| 618 | int active = aac->in_reset; |
| 619 | |
| 620 | if (active == 0) |
| 621 | __shost_for_each_device(dev, host) { |
| 622 | spin_lock_irqsave(&dev->list_lock, flags); |
| 623 | list_for_each_entry(command, &dev->cmd_list, list) { |
| 624 | if ((command != cmd) && |
| 625 | (command->SCp.phase == AAC_OWNER_FIRMWARE)) { |
| 626 | active++; |
| 627 | break; |
| 628 | } |
| 629 | } |
| 630 | spin_unlock_irqrestore(&dev->list_lock, flags); |
| 631 | if (active) |
| 632 | break; |
| 633 | |
| 634 | } |
| 635 | /* |
| 636 | * We can exit If all the commands are complete |
| 637 | */ |
| 638 | if (active == 0) |
| 639 | return SUCCESS; |
| 640 | ssleep(1); |
| 641 | } |
| 642 | printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); |
| 643 | /* |
| 644 | * This adapter needs a blind reset, only do so for Adapters that |
| 645 | * support a register, instead of a commanded, reset. |
| 646 | */ |
| 647 | if (((aac->supplement_adapter_info.SupportedOptions2 & |
| 648 | AAC_OPTION_MU_RESET) || |
| 649 | (aac->supplement_adapter_info.SupportedOptions2 & |
| 650 | AAC_OPTION_DOORBELL_RESET)) && |
| 651 | aac_check_reset && |
| 652 | ((aac_check_reset != 1) || |
| 653 | !(aac->supplement_adapter_info.SupportedOptions2 & |
| 654 | AAC_OPTION_IGNORE_RESET))) |
| 655 | aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ |
| 656 | return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ |
| 657 | } |
| 658 | |
| 659 | /** |
| 660 | * aac_cfg_open - open a configuration file |
| 661 | * @inode: inode being opened |
| 662 | * @file: file handle attached |
| 663 | * |
| 664 | * Called when the configuration device is opened. Does the needed |
| 665 | * set up on the handle and then returns |
| 666 | * |
| 667 | * Bugs: This needs extending to check a given adapter is present |
| 668 | * so we can support hot plugging, and to ref count adapters. |
| 669 | */ |
| 670 | |
| 671 | static int aac_cfg_open(struct inode *inode, struct file *file) |
| 672 | { |
| 673 | struct aac_dev *aac; |
| 674 | unsigned minor_number = iminor(inode); |
| 675 | int err = -ENODEV; |
| 676 | |
| 677 | mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ |
| 678 | list_for_each_entry(aac, &aac_devices, entry) { |
| 679 | if (aac->id == minor_number) { |
| 680 | file->private_data = aac; |
| 681 | err = 0; |
| 682 | break; |
| 683 | } |
| 684 | } |
| 685 | mutex_unlock(&aac_mutex); |
| 686 | |
| 687 | return err; |
| 688 | } |
| 689 | |
| 690 | /** |
| 691 | * aac_cfg_ioctl - AAC configuration request |
| 692 | * @inode: inode of device |
| 693 | * @file: file handle |
| 694 | * @cmd: ioctl command code |
| 695 | * @arg: argument |
| 696 | * |
| 697 | * Handles a configuration ioctl. Currently this involves wrapping it |
| 698 | * up and feeding it into the nasty windowsalike glue layer. |
| 699 | * |
| 700 | * Bugs: Needs locking against parallel ioctls lower down |
| 701 | * Bugs: Needs to handle hot plugging |
| 702 | */ |
| 703 | |
| 704 | static long aac_cfg_ioctl(struct file *file, |
| 705 | unsigned int cmd, unsigned long arg) |
| 706 | { |
| 707 | struct aac_dev *aac = (struct aac_dev *)file->private_data; |
| 708 | |
| 709 | if (!capable(CAP_SYS_RAWIO)) |
| 710 | return -EPERM; |
| 711 | |
| 712 | return aac_do_ioctl(aac, cmd, (void __user *)arg); |
| 713 | } |
| 714 | |
| 715 | #ifdef CONFIG_COMPAT |
| 716 | static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) |
| 717 | { |
| 718 | long ret; |
| 719 | switch (cmd) { |
| 720 | case FSACTL_MINIPORT_REV_CHECK: |
| 721 | case FSACTL_SENDFIB: |
| 722 | case FSACTL_OPEN_GET_ADAPTER_FIB: |
| 723 | case FSACTL_CLOSE_GET_ADAPTER_FIB: |
| 724 | case FSACTL_SEND_RAW_SRB: |
| 725 | case FSACTL_GET_PCI_INFO: |
| 726 | case FSACTL_QUERY_DISK: |
| 727 | case FSACTL_DELETE_DISK: |
| 728 | case FSACTL_FORCE_DELETE_DISK: |
| 729 | case FSACTL_GET_CONTAINERS: |
| 730 | case FSACTL_SEND_LARGE_FIB: |
| 731 | ret = aac_do_ioctl(dev, cmd, (void __user *)arg); |
| 732 | break; |
| 733 | |
| 734 | case FSACTL_GET_NEXT_ADAPTER_FIB: { |
| 735 | struct fib_ioctl __user *f; |
| 736 | |
| 737 | f = compat_alloc_user_space(sizeof(*f)); |
| 738 | ret = 0; |
| 739 | if (clear_user(f, sizeof(*f))) |
| 740 | ret = -EFAULT; |
| 741 | if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) |
| 742 | ret = -EFAULT; |
| 743 | if (!ret) |
| 744 | ret = aac_do_ioctl(dev, cmd, f); |
| 745 | break; |
| 746 | } |
| 747 | |
| 748 | default: |
| 749 | ret = -ENOIOCTLCMD; |
| 750 | break; |
| 751 | } |
| 752 | return ret; |
| 753 | } |
| 754 | |
| 755 | static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) |
| 756 | { |
| 757 | struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; |
| 758 | if (!capable(CAP_SYS_RAWIO)) |
| 759 | return -EPERM; |
| 760 | return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); |
| 761 | } |
| 762 | |
| 763 | static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) |
| 764 | { |
| 765 | if (!capable(CAP_SYS_RAWIO)) |
| 766 | return -EPERM; |
| 767 | return aac_compat_do_ioctl(file->private_data, cmd, arg); |
| 768 | } |
| 769 | #endif |
| 770 | |
| 771 | static ssize_t aac_show_model(struct device *device, |
| 772 | struct device_attribute *attr, char *buf) |
| 773 | { |
| 774 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| 775 | int len; |
| 776 | |
| 777 | if (dev->supplement_adapter_info.AdapterTypeText[0]) { |
| 778 | char * cp = dev->supplement_adapter_info.AdapterTypeText; |
| 779 | while (*cp && *cp != ' ') |
| 780 | ++cp; |
| 781 | while (*cp == ' ') |
| 782 | ++cp; |
| 783 | len = snprintf(buf, PAGE_SIZE, "%s\n", cp); |
| 784 | } else |
| 785 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
| 786 | aac_drivers[dev->cardtype].model); |
| 787 | return len; |
| 788 | } |
| 789 | |
| 790 | static ssize_t aac_show_vendor(struct device *device, |
| 791 | struct device_attribute *attr, char *buf) |
| 792 | { |
| 793 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| 794 | int len; |
| 795 | |
| 796 | if (dev->supplement_adapter_info.AdapterTypeText[0]) { |
| 797 | char * cp = dev->supplement_adapter_info.AdapterTypeText; |
| 798 | while (*cp && *cp != ' ') |
| 799 | ++cp; |
| 800 | len = snprintf(buf, PAGE_SIZE, "%.*s\n", |
| 801 | (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), |
| 802 | dev->supplement_adapter_info.AdapterTypeText); |
| 803 | } else |
| 804 | len = snprintf(buf, PAGE_SIZE, "%s\n", |
| 805 | aac_drivers[dev->cardtype].vname); |
| 806 | return len; |
| 807 | } |
| 808 | |
| 809 | static ssize_t aac_show_flags(struct device *cdev, |
| 810 | struct device_attribute *attr, char *buf) |
| 811 | { |
| 812 | int len = 0; |
| 813 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; |
| 814 | |
| 815 | if (nblank(dprintk(x))) |
| 816 | len = snprintf(buf, PAGE_SIZE, "dprintk\n"); |
| 817 | #ifdef AAC_DETAILED_STATUS_INFO |
| 818 | len += snprintf(buf + len, PAGE_SIZE - len, |
| 819 | "AAC_DETAILED_STATUS_INFO\n"); |
| 820 | #endif |
| 821 | if (dev->raw_io_interface && dev->raw_io_64) |
| 822 | len += snprintf(buf + len, PAGE_SIZE - len, |
| 823 | "SAI_READ_CAPACITY_16\n"); |
| 824 | if (dev->jbod) |
| 825 | len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); |
| 826 | if (dev->supplement_adapter_info.SupportedOptions2 & |
| 827 | AAC_OPTION_POWER_MANAGEMENT) |
| 828 | len += snprintf(buf + len, PAGE_SIZE - len, |
| 829 | "SUPPORTED_POWER_MANAGEMENT\n"); |
| 830 | if (dev->msi) |
| 831 | len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); |
| 832 | return len; |
| 833 | } |
| 834 | |
| 835 | static ssize_t aac_show_kernel_version(struct device *device, |
| 836 | struct device_attribute *attr, |
| 837 | char *buf) |
| 838 | { |
| 839 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| 840 | int len, tmp; |
| 841 | |
| 842 | tmp = le32_to_cpu(dev->adapter_info.kernelrev); |
| 843 | len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", |
| 844 | tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, |
| 845 | le32_to_cpu(dev->adapter_info.kernelbuild)); |
| 846 | return len; |
| 847 | } |
| 848 | |
| 849 | static ssize_t aac_show_monitor_version(struct device *device, |
| 850 | struct device_attribute *attr, |
| 851 | char *buf) |
| 852 | { |
| 853 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| 854 | int len, tmp; |
| 855 | |
| 856 | tmp = le32_to_cpu(dev->adapter_info.monitorrev); |
| 857 | len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", |
| 858 | tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, |
| 859 | le32_to_cpu(dev->adapter_info.monitorbuild)); |
| 860 | return len; |
| 861 | } |
| 862 | |
| 863 | static ssize_t aac_show_bios_version(struct device *device, |
| 864 | struct device_attribute *attr, |
| 865 | char *buf) |
| 866 | { |
| 867 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| 868 | int len, tmp; |
| 869 | |
| 870 | tmp = le32_to_cpu(dev->adapter_info.biosrev); |
| 871 | len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", |
| 872 | tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, |
| 873 | le32_to_cpu(dev->adapter_info.biosbuild)); |
| 874 | return len; |
| 875 | } |
| 876 | |
| 877 | static ssize_t aac_show_serial_number(struct device *device, |
| 878 | struct device_attribute *attr, char *buf) |
| 879 | { |
| 880 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| 881 | int len = 0; |
| 882 | |
| 883 | if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) |
| 884 | len = snprintf(buf, 16, "%06X\n", |
| 885 | le32_to_cpu(dev->adapter_info.serial[0])); |
| 886 | if (len && |
| 887 | !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ |
| 888 | sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], |
| 889 | buf, len-1)) |
| 890 | len = snprintf(buf, 16, "%.*s\n", |
| 891 | (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), |
| 892 | dev->supplement_adapter_info.MfgPcbaSerialNo); |
| 893 | |
| 894 | return min(len, 16); |
| 895 | } |
| 896 | |
| 897 | static ssize_t aac_show_max_channel(struct device *device, |
| 898 | struct device_attribute *attr, char *buf) |
| 899 | { |
| 900 | return snprintf(buf, PAGE_SIZE, "%d\n", |
| 901 | class_to_shost(device)->max_channel); |
| 902 | } |
| 903 | |
| 904 | static ssize_t aac_show_max_id(struct device *device, |
| 905 | struct device_attribute *attr, char *buf) |
| 906 | { |
| 907 | return snprintf(buf, PAGE_SIZE, "%d\n", |
| 908 | class_to_shost(device)->max_id); |
| 909 | } |
| 910 | |
| 911 | static ssize_t aac_store_reset_adapter(struct device *device, |
| 912 | struct device_attribute *attr, |
| 913 | const char *buf, size_t count) |
| 914 | { |
| 915 | int retval = -EACCES; |
| 916 | |
| 917 | if (!capable(CAP_SYS_ADMIN)) |
| 918 | return retval; |
| 919 | retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!'); |
| 920 | if (retval >= 0) |
| 921 | retval = count; |
| 922 | return retval; |
| 923 | } |
| 924 | |
| 925 | static ssize_t aac_show_reset_adapter(struct device *device, |
| 926 | struct device_attribute *attr, |
| 927 | char *buf) |
| 928 | { |
| 929 | struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; |
| 930 | int len, tmp; |
| 931 | |
| 932 | tmp = aac_adapter_check_health(dev); |
| 933 | if ((tmp == 0) && dev->in_reset) |
| 934 | tmp = -EBUSY; |
| 935 | len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); |
| 936 | return len; |
| 937 | } |
| 938 | |
| 939 | static struct device_attribute aac_model = { |
| 940 | .attr = { |
| 941 | .name = "model", |
| 942 | .mode = S_IRUGO, |
| 943 | }, |
| 944 | .show = aac_show_model, |
| 945 | }; |
| 946 | static struct device_attribute aac_vendor = { |
| 947 | .attr = { |
| 948 | .name = "vendor", |
| 949 | .mode = S_IRUGO, |
| 950 | }, |
| 951 | .show = aac_show_vendor, |
| 952 | }; |
| 953 | static struct device_attribute aac_flags = { |
| 954 | .attr = { |
| 955 | .name = "flags", |
| 956 | .mode = S_IRUGO, |
| 957 | }, |
| 958 | .show = aac_show_flags, |
| 959 | }; |
| 960 | static struct device_attribute aac_kernel_version = { |
| 961 | .attr = { |
| 962 | .name = "hba_kernel_version", |
| 963 | .mode = S_IRUGO, |
| 964 | }, |
| 965 | .show = aac_show_kernel_version, |
| 966 | }; |
| 967 | static struct device_attribute aac_monitor_version = { |
| 968 | .attr = { |
| 969 | .name = "hba_monitor_version", |
| 970 | .mode = S_IRUGO, |
| 971 | }, |
| 972 | .show = aac_show_monitor_version, |
| 973 | }; |
| 974 | static struct device_attribute aac_bios_version = { |
| 975 | .attr = { |
| 976 | .name = "hba_bios_version", |
| 977 | .mode = S_IRUGO, |
| 978 | }, |
| 979 | .show = aac_show_bios_version, |
| 980 | }; |
| 981 | static struct device_attribute aac_serial_number = { |
| 982 | .attr = { |
| 983 | .name = "serial_number", |
| 984 | .mode = S_IRUGO, |
| 985 | }, |
| 986 | .show = aac_show_serial_number, |
| 987 | }; |
| 988 | static struct device_attribute aac_max_channel = { |
| 989 | .attr = { |
| 990 | .name = "max_channel", |
| 991 | .mode = S_IRUGO, |
| 992 | }, |
| 993 | .show = aac_show_max_channel, |
| 994 | }; |
| 995 | static struct device_attribute aac_max_id = { |
| 996 | .attr = { |
| 997 | .name = "max_id", |
| 998 | .mode = S_IRUGO, |
| 999 | }, |
| 1000 | .show = aac_show_max_id, |
| 1001 | }; |
| 1002 | static struct device_attribute aac_reset = { |
| 1003 | .attr = { |
| 1004 | .name = "reset_host", |
| 1005 | .mode = S_IWUSR|S_IRUGO, |
| 1006 | }, |
| 1007 | .store = aac_store_reset_adapter, |
| 1008 | .show = aac_show_reset_adapter, |
| 1009 | }; |
| 1010 | |
| 1011 | static struct device_attribute *aac_attrs[] = { |
| 1012 | &aac_model, |
| 1013 | &aac_vendor, |
| 1014 | &aac_flags, |
| 1015 | &aac_kernel_version, |
| 1016 | &aac_monitor_version, |
| 1017 | &aac_bios_version, |
| 1018 | &aac_serial_number, |
| 1019 | &aac_max_channel, |
| 1020 | &aac_max_id, |
| 1021 | &aac_reset, |
| 1022 | NULL |
| 1023 | }; |
| 1024 | |
| 1025 | ssize_t aac_get_serial_number(struct device *device, char *buf) |
| 1026 | { |
| 1027 | return aac_show_serial_number(device, &aac_serial_number, buf); |
| 1028 | } |
| 1029 | |
| 1030 | static const struct file_operations aac_cfg_fops = { |
| 1031 | .owner = THIS_MODULE, |
| 1032 | .unlocked_ioctl = aac_cfg_ioctl, |
| 1033 | #ifdef CONFIG_COMPAT |
| 1034 | .compat_ioctl = aac_compat_cfg_ioctl, |
| 1035 | #endif |
| 1036 | .open = aac_cfg_open, |
| 1037 | .llseek = noop_llseek, |
| 1038 | }; |
| 1039 | |
| 1040 | static struct scsi_host_template aac_driver_template = { |
| 1041 | .module = THIS_MODULE, |
| 1042 | .name = "AAC", |
| 1043 | .proc_name = AAC_DRIVERNAME, |
| 1044 | .info = aac_info, |
| 1045 | .ioctl = aac_ioctl, |
| 1046 | #ifdef CONFIG_COMPAT |
| 1047 | .compat_ioctl = aac_compat_ioctl, |
| 1048 | #endif |
| 1049 | .queuecommand = aac_queuecommand, |
| 1050 | .bios_param = aac_biosparm, |
| 1051 | .shost_attrs = aac_attrs, |
| 1052 | .slave_configure = aac_slave_configure, |
| 1053 | .change_queue_depth = aac_change_queue_depth, |
| 1054 | .sdev_attrs = aac_dev_attrs, |
| 1055 | .eh_abort_handler = aac_eh_abort, |
| 1056 | .eh_host_reset_handler = aac_eh_reset, |
| 1057 | .can_queue = AAC_NUM_IO_FIB, |
| 1058 | .this_id = MAXIMUM_NUM_CONTAINERS, |
| 1059 | .sg_tablesize = 16, |
| 1060 | .max_sectors = 128, |
| 1061 | #if (AAC_NUM_IO_FIB > 256) |
| 1062 | .cmd_per_lun = 256, |
| 1063 | #else |
| 1064 | .cmd_per_lun = AAC_NUM_IO_FIB, |
| 1065 | #endif |
| 1066 | .use_clustering = ENABLE_CLUSTERING, |
| 1067 | .emulated = 1, |
| 1068 | .no_write_same = 1, |
| 1069 | }; |
| 1070 | |
| 1071 | static void __aac_shutdown(struct aac_dev * aac) |
| 1072 | { |
| 1073 | int i; |
| 1074 | int cpu; |
| 1075 | |
| 1076 | aac_send_shutdown(aac); |
| 1077 | |
| 1078 | if (aac->aif_thread) { |
| 1079 | int i; |
| 1080 | /* Clear out events first */ |
| 1081 | for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { |
| 1082 | struct fib *fib = &aac->fibs[i]; |
| 1083 | if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && |
| 1084 | (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) |
| 1085 | up(&fib->event_wait); |
| 1086 | } |
| 1087 | kthread_stop(aac->thread); |
| 1088 | } |
| 1089 | aac_adapter_disable_int(aac); |
| 1090 | cpu = cpumask_first(cpu_online_mask); |
| 1091 | if (aac->pdev->device == PMC_DEVICE_S6 || |
| 1092 | aac->pdev->device == PMC_DEVICE_S7 || |
| 1093 | aac->pdev->device == PMC_DEVICE_S8 || |
| 1094 | aac->pdev->device == PMC_DEVICE_S9) { |
| 1095 | if (aac->max_msix > 1) { |
| 1096 | for (i = 0; i < aac->max_msix; i++) { |
| 1097 | if (irq_set_affinity_hint( |
| 1098 | aac->msixentry[i].vector, |
| 1099 | NULL)) { |
| 1100 | printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n", |
| 1101 | aac->name, |
| 1102 | aac->id, |
| 1103 | cpu); |
| 1104 | } |
| 1105 | cpu = cpumask_next(cpu, |
| 1106 | cpu_online_mask); |
| 1107 | free_irq(aac->msixentry[i].vector, |
| 1108 | &(aac->aac_msix[i])); |
| 1109 | } |
| 1110 | } else { |
| 1111 | free_irq(aac->pdev->irq, |
| 1112 | &(aac->aac_msix[0])); |
| 1113 | } |
| 1114 | } else { |
| 1115 | free_irq(aac->pdev->irq, aac); |
| 1116 | } |
| 1117 | if (aac->msi) |
| 1118 | pci_disable_msi(aac->pdev); |
| 1119 | else if (aac->max_msix > 1) |
| 1120 | pci_disable_msix(aac->pdev); |
| 1121 | } |
| 1122 | static void aac_init_char(void) |
| 1123 | { |
| 1124 | aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); |
| 1125 | if (aac_cfg_major < 0) { |
| 1126 | pr_err("aacraid: unable to register \"aac\" device.\n"); |
| 1127 | } |
| 1128 | } |
| 1129 | |
| 1130 | static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
| 1131 | { |
| 1132 | unsigned index = id->driver_data; |
| 1133 | struct Scsi_Host *shost; |
| 1134 | struct aac_dev *aac; |
| 1135 | struct list_head *insert = &aac_devices; |
| 1136 | int error = -ENODEV; |
| 1137 | int unique_id = 0; |
| 1138 | u64 dmamask; |
| 1139 | extern int aac_sync_mode; |
| 1140 | |
| 1141 | /* |
| 1142 | * Only series 7 needs freset. |
| 1143 | */ |
| 1144 | if (pdev->device == PMC_DEVICE_S7) |
| 1145 | pdev->needs_freset = 1; |
| 1146 | |
| 1147 | list_for_each_entry(aac, &aac_devices, entry) { |
| 1148 | if (aac->id > unique_id) |
| 1149 | break; |
| 1150 | insert = &aac->entry; |
| 1151 | unique_id++; |
| 1152 | } |
| 1153 | |
| 1154 | pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | |
| 1155 | PCIE_LINK_STATE_CLKPM); |
| 1156 | |
| 1157 | error = pci_enable_device(pdev); |
| 1158 | if (error) |
| 1159 | goto out; |
| 1160 | error = -ENODEV; |
| 1161 | |
| 1162 | /* |
| 1163 | * If the quirk31 bit is set, the adapter needs adapter |
| 1164 | * to driver communication memory to be allocated below 2gig |
| 1165 | */ |
| 1166 | if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) |
| 1167 | dmamask = DMA_BIT_MASK(31); |
| 1168 | else |
| 1169 | dmamask = DMA_BIT_MASK(32); |
| 1170 | |
| 1171 | if (pci_set_dma_mask(pdev, dmamask) || |
| 1172 | pci_set_consistent_dma_mask(pdev, dmamask)) |
| 1173 | goto out_disable_pdev; |
| 1174 | |
| 1175 | pci_set_master(pdev); |
| 1176 | |
| 1177 | shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); |
| 1178 | if (!shost) |
| 1179 | goto out_disable_pdev; |
| 1180 | |
| 1181 | shost->irq = pdev->irq; |
| 1182 | shost->unique_id = unique_id; |
| 1183 | shost->max_cmd_len = 16; |
| 1184 | shost->use_cmd_list = 1; |
| 1185 | |
| 1186 | if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) |
| 1187 | aac_init_char(); |
| 1188 | |
| 1189 | aac = (struct aac_dev *)shost->hostdata; |
| 1190 | aac->base_start = pci_resource_start(pdev, 0); |
| 1191 | aac->scsi_host_ptr = shost; |
| 1192 | aac->pdev = pdev; |
| 1193 | aac->name = aac_driver_template.name; |
| 1194 | aac->id = shost->unique_id; |
| 1195 | aac->cardtype = index; |
| 1196 | INIT_LIST_HEAD(&aac->entry); |
| 1197 | |
| 1198 | aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); |
| 1199 | if (!aac->fibs) |
| 1200 | goto out_free_host; |
| 1201 | spin_lock_init(&aac->fib_lock); |
| 1202 | |
| 1203 | mutex_init(&aac->ioctl_mutex); |
| 1204 | /* |
| 1205 | * Map in the registers from the adapter. |
| 1206 | */ |
| 1207 | aac->base_size = AAC_MIN_FOOTPRINT_SIZE; |
| 1208 | if ((*aac_drivers[index].init)(aac)) |
| 1209 | goto out_unmap; |
| 1210 | |
| 1211 | if (aac->sync_mode) { |
| 1212 | if (aac_sync_mode) |
| 1213 | printk(KERN_INFO "%s%d: Sync. mode enforced " |
| 1214 | "by driver parameter. This will cause " |
| 1215 | "a significant performance decrease!\n", |
| 1216 | aac->name, |
| 1217 | aac->id); |
| 1218 | else |
| 1219 | printk(KERN_INFO "%s%d: Async. mode not supported " |
| 1220 | "by current driver, sync. mode enforced." |
| 1221 | "\nPlease update driver to get full performance.\n", |
| 1222 | aac->name, |
| 1223 | aac->id); |
| 1224 | } |
| 1225 | |
| 1226 | /* |
| 1227 | * Start any kernel threads needed |
| 1228 | */ |
| 1229 | aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); |
| 1230 | if (IS_ERR(aac->thread)) { |
| 1231 | printk(KERN_ERR "aacraid: Unable to create command thread.\n"); |
| 1232 | error = PTR_ERR(aac->thread); |
| 1233 | aac->thread = NULL; |
| 1234 | goto out_deinit; |
| 1235 | } |
| 1236 | |
| 1237 | /* |
| 1238 | * If we had set a smaller DMA mask earlier, set it to 4gig |
| 1239 | * now since the adapter can dma data to at least a 4gig |
| 1240 | * address space. |
| 1241 | */ |
| 1242 | if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) |
| 1243 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) |
| 1244 | goto out_deinit; |
| 1245 | |
| 1246 | aac->maximum_num_channels = aac_drivers[index].channels; |
| 1247 | error = aac_get_adapter_info(aac); |
| 1248 | if (error < 0) |
| 1249 | goto out_deinit; |
| 1250 | |
| 1251 | /* |
| 1252 | * Lets override negotiations and drop the maximum SG limit to 34 |
| 1253 | */ |
| 1254 | if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && |
| 1255 | (shost->sg_tablesize > 34)) { |
| 1256 | shost->sg_tablesize = 34; |
| 1257 | shost->max_sectors = (shost->sg_tablesize * 8) + 112; |
| 1258 | } |
| 1259 | |
| 1260 | if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && |
| 1261 | (shost->sg_tablesize > 17)) { |
| 1262 | shost->sg_tablesize = 17; |
| 1263 | shost->max_sectors = (shost->sg_tablesize * 8) + 112; |
| 1264 | } |
| 1265 | |
| 1266 | error = pci_set_dma_max_seg_size(pdev, |
| 1267 | (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? |
| 1268 | (shost->max_sectors << 9) : 65536); |
| 1269 | if (error) |
| 1270 | goto out_deinit; |
| 1271 | |
| 1272 | /* |
| 1273 | * Firmware printf works only with older firmware. |
| 1274 | */ |
| 1275 | if (aac_drivers[index].quirks & AAC_QUIRK_34SG) |
| 1276 | aac->printf_enabled = 1; |
| 1277 | else |
| 1278 | aac->printf_enabled = 0; |
| 1279 | |
| 1280 | /* |
| 1281 | * max channel will be the physical channels plus 1 virtual channel |
| 1282 | * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) |
| 1283 | * physical channels are address by their actual physical number+1 |
| 1284 | */ |
| 1285 | if (aac->nondasd_support || expose_physicals || aac->jbod) |
| 1286 | shost->max_channel = aac->maximum_num_channels; |
| 1287 | else |
| 1288 | shost->max_channel = 0; |
| 1289 | |
| 1290 | aac_get_config_status(aac, 0); |
| 1291 | aac_get_containers(aac); |
| 1292 | list_add(&aac->entry, insert); |
| 1293 | |
| 1294 | shost->max_id = aac->maximum_num_containers; |
| 1295 | if (shost->max_id < aac->maximum_num_physicals) |
| 1296 | shost->max_id = aac->maximum_num_physicals; |
| 1297 | if (shost->max_id < MAXIMUM_NUM_CONTAINERS) |
| 1298 | shost->max_id = MAXIMUM_NUM_CONTAINERS; |
| 1299 | else |
| 1300 | shost->this_id = shost->max_id; |
| 1301 | |
| 1302 | /* |
| 1303 | * dmb - we may need to move the setting of these parms somewhere else once |
| 1304 | * we get a fib that can report the actual numbers |
| 1305 | */ |
| 1306 | shost->max_lun = AAC_MAX_LUN; |
| 1307 | |
| 1308 | pci_set_drvdata(pdev, shost); |
| 1309 | |
| 1310 | error = scsi_add_host(shost, &pdev->dev); |
| 1311 | if (error) |
| 1312 | goto out_deinit; |
| 1313 | scsi_scan_host(shost); |
| 1314 | |
| 1315 | pci_enable_pcie_error_reporting(pdev); |
| 1316 | pci_save_state(pdev); |
| 1317 | |
| 1318 | return 0; |
| 1319 | |
| 1320 | out_deinit: |
| 1321 | __aac_shutdown(aac); |
| 1322 | out_unmap: |
| 1323 | aac_fib_map_free(aac); |
| 1324 | if (aac->comm_addr) |
| 1325 | pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, |
| 1326 | aac->comm_phys); |
| 1327 | kfree(aac->queues); |
| 1328 | aac_adapter_ioremap(aac, 0); |
| 1329 | kfree(aac->fibs); |
| 1330 | kfree(aac->fsa_dev); |
| 1331 | out_free_host: |
| 1332 | scsi_host_put(shost); |
| 1333 | out_disable_pdev: |
| 1334 | pci_disable_device(pdev); |
| 1335 | out: |
| 1336 | return error; |
| 1337 | } |
| 1338 | |
| 1339 | static void aac_release_resources(struct aac_dev *aac) |
| 1340 | { |
| 1341 | int i; |
| 1342 | |
| 1343 | aac_adapter_disable_int(aac); |
| 1344 | if (aac->pdev->device == PMC_DEVICE_S6 || |
| 1345 | aac->pdev->device == PMC_DEVICE_S7 || |
| 1346 | aac->pdev->device == PMC_DEVICE_S8 || |
| 1347 | aac->pdev->device == PMC_DEVICE_S9) { |
| 1348 | if (aac->max_msix > 1) { |
| 1349 | for (i = 0; i < aac->max_msix; i++) |
| 1350 | free_irq(aac->msixentry[i].vector, |
| 1351 | &(aac->aac_msix[i])); |
| 1352 | } else { |
| 1353 | free_irq(aac->pdev->irq, &(aac->aac_msix[0])); |
| 1354 | } |
| 1355 | } else { |
| 1356 | free_irq(aac->pdev->irq, aac); |
| 1357 | } |
| 1358 | if (aac->msi) |
| 1359 | pci_disable_msi(aac->pdev); |
| 1360 | else if (aac->max_msix > 1) |
| 1361 | pci_disable_msix(aac->pdev); |
| 1362 | |
| 1363 | } |
| 1364 | |
| 1365 | static int aac_acquire_resources(struct aac_dev *dev) |
| 1366 | { |
| 1367 | int i, j; |
| 1368 | int instance = dev->id; |
| 1369 | const char *name = dev->name; |
| 1370 | unsigned long status; |
| 1371 | /* |
| 1372 | * First clear out all interrupts. Then enable the one's that we |
| 1373 | * can handle. |
| 1374 | */ |
| 1375 | while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) |
| 1376 | || status == 0xffffffff) |
| 1377 | msleep(20); |
| 1378 | |
| 1379 | aac_adapter_disable_int(dev); |
| 1380 | aac_adapter_enable_int(dev); |
| 1381 | |
| 1382 | |
| 1383 | if ((dev->pdev->device == PMC_DEVICE_S7 || |
| 1384 | dev->pdev->device == PMC_DEVICE_S8 || |
| 1385 | dev->pdev->device == PMC_DEVICE_S9)) |
| 1386 | aac_define_int_mode(dev); |
| 1387 | |
| 1388 | if (dev->msi_enabled) |
| 1389 | aac_src_access_devreg(dev, AAC_ENABLE_MSIX); |
| 1390 | |
| 1391 | if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) { |
| 1392 | for (i = 0; i < dev->max_msix; i++) { |
| 1393 | dev->aac_msix[i].vector_no = i; |
| 1394 | dev->aac_msix[i].dev = dev; |
| 1395 | |
| 1396 | if (request_irq(dev->msixentry[i].vector, |
| 1397 | dev->a_ops.adapter_intr, |
| 1398 | 0, "aacraid", &(dev->aac_msix[i]))) { |
| 1399 | printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n", |
| 1400 | name, instance, i); |
| 1401 | for (j = 0 ; j < i ; j++) |
| 1402 | free_irq(dev->msixentry[j].vector, |
| 1403 | &(dev->aac_msix[j])); |
| 1404 | pci_disable_msix(dev->pdev); |
| 1405 | goto error_iounmap; |
| 1406 | } |
| 1407 | } |
| 1408 | } else { |
| 1409 | dev->aac_msix[0].vector_no = 0; |
| 1410 | dev->aac_msix[0].dev = dev; |
| 1411 | |
| 1412 | if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, |
| 1413 | IRQF_SHARED, "aacraid", |
| 1414 | &(dev->aac_msix[0])) < 0) { |
| 1415 | if (dev->msi) |
| 1416 | pci_disable_msi(dev->pdev); |
| 1417 | printk(KERN_ERR "%s%d: Interrupt unavailable.\n", |
| 1418 | name, instance); |
| 1419 | goto error_iounmap; |
| 1420 | } |
| 1421 | } |
| 1422 | |
| 1423 | aac_adapter_enable_int(dev); |
| 1424 | |
| 1425 | /*max msix may change after EEH |
| 1426 | * Re-assign vectors to fibs |
| 1427 | */ |
| 1428 | aac_fib_vector_assign(dev); |
| 1429 | |
| 1430 | if (!dev->sync_mode) { |
| 1431 | /* After EEH recovery or suspend resume, max_msix count |
| 1432 | * may change, therfore updating in init as well. |
| 1433 | */ |
| 1434 | aac_adapter_start(dev); |
| 1435 | dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix); |
| 1436 | } |
| 1437 | return 0; |
| 1438 | |
| 1439 | error_iounmap: |
| 1440 | return -1; |
| 1441 | |
| 1442 | } |
| 1443 | |
| 1444 | #if (defined(CONFIG_PM)) |
| 1445 | static int aac_suspend(struct pci_dev *pdev, pm_message_t state) |
| 1446 | { |
| 1447 | |
| 1448 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 1449 | struct aac_dev *aac = (struct aac_dev *)shost->hostdata; |
| 1450 | |
| 1451 | scsi_block_requests(shost); |
| 1452 | aac_send_shutdown(aac); |
| 1453 | |
| 1454 | aac_release_resources(aac); |
| 1455 | |
| 1456 | pci_set_drvdata(pdev, shost); |
| 1457 | pci_save_state(pdev); |
| 1458 | pci_disable_device(pdev); |
| 1459 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); |
| 1460 | |
| 1461 | return 0; |
| 1462 | } |
| 1463 | |
| 1464 | static int aac_resume(struct pci_dev *pdev) |
| 1465 | { |
| 1466 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 1467 | struct aac_dev *aac = (struct aac_dev *)shost->hostdata; |
| 1468 | int r; |
| 1469 | |
| 1470 | pci_set_power_state(pdev, PCI_D0); |
| 1471 | pci_enable_wake(pdev, PCI_D0, 0); |
| 1472 | pci_restore_state(pdev); |
| 1473 | r = pci_enable_device(pdev); |
| 1474 | |
| 1475 | if (r) |
| 1476 | goto fail_device; |
| 1477 | |
| 1478 | pci_set_master(pdev); |
| 1479 | if (aac_acquire_resources(aac)) |
| 1480 | goto fail_device; |
| 1481 | /* |
| 1482 | * reset this flag to unblock ioctl() as it was set at |
| 1483 | * aac_send_shutdown() to block ioctls from upperlayer |
| 1484 | */ |
| 1485 | aac->adapter_shutdown = 0; |
| 1486 | scsi_unblock_requests(shost); |
| 1487 | |
| 1488 | return 0; |
| 1489 | |
| 1490 | fail_device: |
| 1491 | printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); |
| 1492 | scsi_host_put(shost); |
| 1493 | pci_disable_device(pdev); |
| 1494 | return -ENODEV; |
| 1495 | } |
| 1496 | #endif |
| 1497 | |
| 1498 | static void aac_shutdown(struct pci_dev *dev) |
| 1499 | { |
| 1500 | struct Scsi_Host *shost = pci_get_drvdata(dev); |
| 1501 | scsi_block_requests(shost); |
| 1502 | __aac_shutdown((struct aac_dev *)shost->hostdata); |
| 1503 | } |
| 1504 | |
| 1505 | static void aac_remove_one(struct pci_dev *pdev) |
| 1506 | { |
| 1507 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 1508 | struct aac_dev *aac = (struct aac_dev *)shost->hostdata; |
| 1509 | |
| 1510 | scsi_remove_host(shost); |
| 1511 | |
| 1512 | __aac_shutdown(aac); |
| 1513 | aac_fib_map_free(aac); |
| 1514 | pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, |
| 1515 | aac->comm_phys); |
| 1516 | kfree(aac->queues); |
| 1517 | |
| 1518 | aac_adapter_ioremap(aac, 0); |
| 1519 | |
| 1520 | kfree(aac->fibs); |
| 1521 | kfree(aac->fsa_dev); |
| 1522 | |
| 1523 | list_del(&aac->entry); |
| 1524 | scsi_host_put(shost); |
| 1525 | pci_disable_device(pdev); |
| 1526 | if (list_empty(&aac_devices)) { |
| 1527 | unregister_chrdev(aac_cfg_major, "aac"); |
| 1528 | aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; |
| 1529 | } |
| 1530 | } |
| 1531 | |
| 1532 | static void aac_flush_ios(struct aac_dev *aac) |
| 1533 | { |
| 1534 | int i; |
| 1535 | struct scsi_cmnd *cmd; |
| 1536 | |
| 1537 | for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) { |
| 1538 | cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data; |
| 1539 | if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) { |
| 1540 | scsi_dma_unmap(cmd); |
| 1541 | |
| 1542 | if (aac->handle_pci_error) |
| 1543 | cmd->result = DID_NO_CONNECT << 16; |
| 1544 | else |
| 1545 | cmd->result = DID_RESET << 16; |
| 1546 | |
| 1547 | cmd->scsi_done(cmd); |
| 1548 | } |
| 1549 | } |
| 1550 | } |
| 1551 | |
| 1552 | static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, |
| 1553 | enum pci_channel_state error) |
| 1554 | { |
| 1555 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 1556 | struct aac_dev *aac = shost_priv(shost); |
| 1557 | |
| 1558 | dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); |
| 1559 | |
| 1560 | switch (error) { |
| 1561 | case pci_channel_io_normal: |
| 1562 | return PCI_ERS_RESULT_CAN_RECOVER; |
| 1563 | case pci_channel_io_frozen: |
| 1564 | aac->handle_pci_error = 1; |
| 1565 | |
| 1566 | scsi_block_requests(aac->scsi_host_ptr); |
| 1567 | aac_flush_ios(aac); |
| 1568 | aac_release_resources(aac); |
| 1569 | |
| 1570 | pci_disable_pcie_error_reporting(pdev); |
| 1571 | aac_adapter_ioremap(aac, 0); |
| 1572 | |
| 1573 | return PCI_ERS_RESULT_NEED_RESET; |
| 1574 | case pci_channel_io_perm_failure: |
| 1575 | aac->handle_pci_error = 1; |
| 1576 | |
| 1577 | aac_flush_ios(aac); |
| 1578 | return PCI_ERS_RESULT_DISCONNECT; |
| 1579 | } |
| 1580 | |
| 1581 | return PCI_ERS_RESULT_NEED_RESET; |
| 1582 | } |
| 1583 | |
| 1584 | static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) |
| 1585 | { |
| 1586 | dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); |
| 1587 | return PCI_ERS_RESULT_NEED_RESET; |
| 1588 | } |
| 1589 | |
| 1590 | static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) |
| 1591 | { |
| 1592 | dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); |
| 1593 | pci_restore_state(pdev); |
| 1594 | if (pci_enable_device(pdev)) { |
| 1595 | dev_warn(&pdev->dev, |
| 1596 | "aacraid: failed to enable slave\n"); |
| 1597 | goto fail_device; |
| 1598 | } |
| 1599 | |
| 1600 | pci_set_master(pdev); |
| 1601 | |
| 1602 | if (pci_enable_device_mem(pdev)) { |
| 1603 | dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); |
| 1604 | goto fail_device; |
| 1605 | } |
| 1606 | |
| 1607 | return PCI_ERS_RESULT_RECOVERED; |
| 1608 | |
| 1609 | fail_device: |
| 1610 | dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); |
| 1611 | return PCI_ERS_RESULT_DISCONNECT; |
| 1612 | } |
| 1613 | |
| 1614 | |
| 1615 | static void aac_pci_resume(struct pci_dev *pdev) |
| 1616 | { |
| 1617 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 1618 | struct scsi_device *sdev = NULL; |
| 1619 | struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); |
| 1620 | |
| 1621 | pci_cleanup_aer_uncorrect_error_status(pdev); |
| 1622 | |
| 1623 | if (aac_adapter_ioremap(aac, aac->base_size)) { |
| 1624 | |
| 1625 | dev_err(&pdev->dev, "aacraid: ioremap failed\n"); |
| 1626 | /* remap failed, go back ... */ |
| 1627 | aac->comm_interface = AAC_COMM_PRODUCER; |
| 1628 | if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { |
| 1629 | dev_warn(&pdev->dev, |
| 1630 | "aacraid: unable to map adapter.\n"); |
| 1631 | |
| 1632 | return; |
| 1633 | } |
| 1634 | } |
| 1635 | |
| 1636 | msleep(10000); |
| 1637 | |
| 1638 | aac_acquire_resources(aac); |
| 1639 | |
| 1640 | /* |
| 1641 | * reset this flag to unblock ioctl() as it was set |
| 1642 | * at aac_send_shutdown() to block ioctls from upperlayer |
| 1643 | */ |
| 1644 | aac->adapter_shutdown = 0; |
| 1645 | aac->handle_pci_error = 0; |
| 1646 | |
| 1647 | shost_for_each_device(sdev, shost) |
| 1648 | if (sdev->sdev_state == SDEV_OFFLINE) |
| 1649 | sdev->sdev_state = SDEV_RUNNING; |
| 1650 | scsi_unblock_requests(aac->scsi_host_ptr); |
| 1651 | scsi_scan_host(aac->scsi_host_ptr); |
| 1652 | pci_save_state(pdev); |
| 1653 | |
| 1654 | dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); |
| 1655 | } |
| 1656 | |
| 1657 | static struct pci_error_handlers aac_pci_err_handler = { |
| 1658 | .error_detected = aac_pci_error_detected, |
| 1659 | .mmio_enabled = aac_pci_mmio_enabled, |
| 1660 | .slot_reset = aac_pci_slot_reset, |
| 1661 | .resume = aac_pci_resume, |
| 1662 | }; |
| 1663 | |
| 1664 | static struct pci_driver aac_pci_driver = { |
| 1665 | .name = AAC_DRIVERNAME, |
| 1666 | .id_table = aac_pci_tbl, |
| 1667 | .probe = aac_probe_one, |
| 1668 | .remove = aac_remove_one, |
| 1669 | #if (defined(CONFIG_PM)) |
| 1670 | .suspend = aac_suspend, |
| 1671 | .resume = aac_resume, |
| 1672 | #endif |
| 1673 | .shutdown = aac_shutdown, |
| 1674 | .err_handler = &aac_pci_err_handler, |
| 1675 | }; |
| 1676 | |
| 1677 | static int __init aac_init(void) |
| 1678 | { |
| 1679 | int error; |
| 1680 | |
| 1681 | printk(KERN_INFO "Adaptec %s driver %s\n", |
| 1682 | AAC_DRIVERNAME, aac_driver_version); |
| 1683 | |
| 1684 | error = pci_register_driver(&aac_pci_driver); |
| 1685 | if (error < 0) |
| 1686 | return error; |
| 1687 | |
| 1688 | aac_init_char(); |
| 1689 | |
| 1690 | |
| 1691 | return 0; |
| 1692 | } |
| 1693 | |
| 1694 | static void __exit aac_exit(void) |
| 1695 | { |
| 1696 | if (aac_cfg_major > -1) |
| 1697 | unregister_chrdev(aac_cfg_major, "aac"); |
| 1698 | pci_unregister_driver(&aac_pci_driver); |
| 1699 | } |
| 1700 | |
| 1701 | module_init(aac_init); |
| 1702 | module_exit(aac_exit); |