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 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2, or (at your option) 15 * any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; see the file COPYING. If not, write to 24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 25 * 26 * Module Name: 27 * linit.c 28 * 29 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 30 */ 31 32 33 #include <linux/compat.h> 34 #include <linux/blkdev.h> 35 #include <linux/completion.h> 36 #include <linux/init.h> 37 #include <linux/interrupt.h> 38 #include <linux/kernel.h> 39 #include <linux/module.h> 40 #include <linux/moduleparam.h> 41 #include <linux/pci.h> 42 #include <linux/aer.h> 43 #include <linux/pci-aspm.h> 44 #include <linux/slab.h> 45 #include <linux/mutex.h> 46 #include <linux/spinlock.h> 47 #include <linux/syscalls.h> 48 #include <linux/delay.h> 49 #include <linux/kthread.h> 50 51 #include <scsi/scsi.h> 52 #include <scsi/scsi_cmnd.h> 53 #include <scsi/scsi_device.h> 54 #include <scsi/scsi_host.h> 55 #include <scsi/scsi_tcq.h> 56 #include <scsi/scsicam.h> 57 #include <scsi/scsi_eh.h> 58 59 #include "aacraid.h" 60 61 #define AAC_DRIVER_VERSION "1.2.1" 62 #ifndef AAC_DRIVER_BRANCH 63 #define AAC_DRIVER_BRANCH "" 64 #endif 65 #define AAC_DRIVERNAME "aacraid" 66 67 #ifdef AAC_DRIVER_BUILD 68 #define _str(x) #x 69 #define str(x) _str(x) 70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 71 #else 72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH 73 #endif 74 75 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 76 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 77 "Adaptec Advanced Raid Products, " 78 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 79 MODULE_LICENSE("GPL"); 80 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 81 82 static DEFINE_MUTEX(aac_mutex); 83 static LIST_HEAD(aac_devices); 84 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; 85 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 86 87 /* 88 * Because of the way Linux names scsi devices, the order in this table has 89 * become important. Check for on-board Raid first, add-in cards second. 90 * 91 * Note: The last field is used to index into aac_drivers below. 92 */ 93 static const struct pci_device_id aac_pci_tbl[] = { 94 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 95 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 96 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 97 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 98 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 99 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 100 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 101 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 102 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 103 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 104 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 105 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 106 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 107 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 108 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 109 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 110 111 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 112 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 113 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 114 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 115 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 116 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 117 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 118 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 119 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 127 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 128 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 129 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 130 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 131 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 132 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 133 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 134 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 135 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 136 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 137 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 138 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 139 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 141 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 142 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 143 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 144 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 149 150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 155 156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 161 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ 162 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ 163 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ 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, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */ 240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */ 241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */ 242 }; 243 244 /** 245 * aac_queuecommand - queue a SCSI command 246 * @cmd: SCSI command to queue 247 * @done: Function to call on command completion 248 * 249 * Queues a command for execution by the associated Host Adapter. 250 * 251 * TODO: unify with aac_scsi_cmd(). 252 */ 253 254 static int aac_queuecommand(struct Scsi_Host *shost, 255 struct scsi_cmnd *cmd) 256 { 257 int r = 0; 258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 259 r = (aac_scsi_cmd(cmd) ? FAILED : 0); 260 return r; 261 } 262 263 /** 264 * aac_info - Returns the host adapter name 265 * @shost: Scsi host to report on 266 * 267 * Returns a static string describing the device in question 268 */ 269 270 static const char *aac_info(struct Scsi_Host *shost) 271 { 272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 273 return aac_drivers[dev->cardtype].name; 274 } 275 276 /** 277 * aac_get_driver_ident 278 * @devtype: index into lookup table 279 * 280 * Returns a pointer to the entry in the driver lookup table. 281 */ 282 283 struct aac_driver_ident* aac_get_driver_ident(int devtype) 284 { 285 return &aac_drivers[devtype]; 286 } 287 288 /** 289 * aac_biosparm - return BIOS parameters for disk 290 * @sdev: The scsi device corresponding to the disk 291 * @bdev: the block device corresponding to the disk 292 * @capacity: the sector capacity of the disk 293 * @geom: geometry block to fill in 294 * 295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 297 * number of cylinders so as not to exceed drive capacity. In order for 298 * disks equal to or larger than 1 GB to be addressable by the BIOS 299 * without exceeding the BIOS limitation of 1024 cylinders, Extended 300 * Translation should be enabled. With Extended Translation enabled, 301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 303 * are given a disk geometry of 255 heads and 63 sectors. However, if 304 * the BIOS detects that the Extended Translation setting does not match 305 * the geometry in the partition table, then the translation inferred 306 * from the partition table will be used by the BIOS, and a warning may 307 * be displayed. 308 */ 309 310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 311 sector_t capacity, int *geom) 312 { 313 struct diskparm *param = (struct diskparm *)geom; 314 unsigned char *buf; 315 316 dprintk((KERN_DEBUG "aac_biosparm.\n")); 317 318 /* 319 * Assuming extended translation is enabled - #REVISIT# 320 */ 321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 323 param->heads = 255; 324 param->sectors = 63; 325 } else { 326 param->heads = 128; 327 param->sectors = 32; 328 } 329 } else { 330 param->heads = 64; 331 param->sectors = 32; 332 } 333 334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 335 336 /* 337 * Read the first 1024 bytes from the disk device, if the boot 338 * sector partition table is valid, search for a partition table 339 * entry whose end_head matches one of the standard geometry 340 * translations ( 64/32, 128/32, 255/63 ). 341 */ 342 buf = scsi_bios_ptable(bdev); 343 if (!buf) 344 return 0; 345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 346 struct partition *first = (struct partition * )buf; 347 struct partition *entry = first; 348 int saved_cylinders = param->cylinders; 349 int num; 350 unsigned char end_head, end_sec; 351 352 for(num = 0; num < 4; num++) { 353 end_head = entry->end_head; 354 end_sec = entry->end_sector & 0x3f; 355 356 if(end_head == 63) { 357 param->heads = 64; 358 param->sectors = 32; 359 break; 360 } else if(end_head == 127) { 361 param->heads = 128; 362 param->sectors = 32; 363 break; 364 } else if(end_head == 254) { 365 param->heads = 255; 366 param->sectors = 63; 367 break; 368 } 369 entry++; 370 } 371 372 if (num == 4) { 373 end_head = first->end_head; 374 end_sec = first->end_sector & 0x3f; 375 } 376 377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 378 if (num < 4 && end_sec == param->sectors) { 379 if (param->cylinders != saved_cylinders) 380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 381 param->heads, param->sectors, num)); 382 } else if (end_head > 0 || end_sec > 0) { 383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 384 end_head + 1, end_sec, num)); 385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 386 param->heads, param->sectors)); 387 } 388 } 389 kfree(buf); 390 return 0; 391 } 392 393 /** 394 * aac_slave_configure - compute queue depths 395 * @sdev: SCSI device we are considering 396 * 397 * Selects queue depths for each target device based on the host adapter's 398 * total capacity and the queue depth supported by the target device. 399 * A queue depth of one automatically disables tagged queueing. 400 */ 401 402 static int aac_slave_configure(struct scsi_device *sdev) 403 { 404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 405 int chn, tid; 406 unsigned int depth = 0; 407 unsigned int set_timeout = 0; 408 bool set_qd_dev_type = false; 409 u8 devtype = 0; 410 411 chn = aac_logical_to_phys(sdev_channel(sdev)); 412 tid = sdev_id(sdev); 413 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) { 414 devtype = aac->hba_map[chn][tid].devtype; 415 416 if (devtype == AAC_DEVTYPE_NATIVE_RAW) 417 depth = aac->hba_map[chn][tid].qd_limit; 418 else if (devtype == AAC_DEVTYPE_ARC_RAW) 419 set_qd_dev_type = true; 420 421 set_timeout = 1; 422 goto common_config; 423 } 424 425 if (aac->jbod && (sdev->type == TYPE_DISK)) 426 sdev->removable = 1; 427 428 if (sdev->type == TYPE_DISK 429 && sdev_channel(sdev) != CONTAINER_CHANNEL 430 && (!aac->jbod || sdev->inq_periph_qual) 431 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 432 433 if (expose_physicals == 0) 434 return -ENXIO; 435 436 if (expose_physicals < 0) 437 sdev->no_uld_attach = 1; 438 } 439 440 if (sdev->tagged_supported 441 && sdev->type == TYPE_DISK 442 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 443 && !sdev->no_uld_attach) { 444 445 struct scsi_device * dev; 446 struct Scsi_Host *host = sdev->host; 447 unsigned num_lsu = 0; 448 unsigned num_one = 0; 449 unsigned cid; 450 451 set_timeout = 1; 452 453 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 454 if (aac->fsa_dev[cid].valid) 455 ++num_lsu; 456 457 __shost_for_each_device(dev, host) { 458 if (dev->tagged_supported 459 && dev->type == TYPE_DISK 460 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 461 && !dev->no_uld_attach) { 462 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 463 || !aac->fsa_dev[sdev_id(dev)].valid) { 464 ++num_lsu; 465 } 466 } else { 467 ++num_one; 468 } 469 } 470 471 if (num_lsu == 0) 472 ++num_lsu; 473 474 depth = (host->can_queue - num_one) / num_lsu; 475 476 if (sdev_channel(sdev) != NATIVE_CHANNEL) 477 goto common_config; 478 479 set_qd_dev_type = true; 480 481 } 482 483 common_config: 484 485 /* 486 * Check if SATA drive 487 */ 488 if (set_qd_dev_type) { 489 if (strncmp(sdev->vendor, "ATA", 3) == 0) 490 depth = 32; 491 else 492 depth = 64; 493 } 494 495 /* 496 * Firmware has an individual device recovery time typically 497 * of 35 seconds, give us a margin. 498 */ 499 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ)) 500 blk_queue_rq_timeout(sdev->request_queue, 45*HZ); 501 502 if (depth > 256) 503 depth = 256; 504 else if (depth < 1) 505 depth = 1; 506 507 scsi_change_queue_depth(sdev, depth); 508 509 sdev->tagged_supported = 1; 510 511 return 0; 512 } 513 514 /** 515 * aac_change_queue_depth - alter queue depths 516 * @sdev: SCSI device we are considering 517 * @depth: desired queue depth 518 * 519 * Alters queue depths for target device based on the host adapter's 520 * total capacity and the queue depth supported by the target device. 521 */ 522 523 static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 524 { 525 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 526 int chn, tid, is_native_device = 0; 527 528 chn = aac_logical_to_phys(sdev_channel(sdev)); 529 tid = sdev_id(sdev); 530 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && 531 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) 532 is_native_device = 1; 533 534 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 535 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 536 struct scsi_device * dev; 537 struct Scsi_Host *host = sdev->host; 538 unsigned num = 0; 539 540 __shost_for_each_device(dev, host) { 541 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 542 (sdev_channel(dev) == CONTAINER_CHANNEL)) 543 ++num; 544 ++num; 545 } 546 if (num >= host->can_queue) 547 num = host->can_queue - 1; 548 if (depth > (host->can_queue - num)) 549 depth = host->can_queue - num; 550 if (depth > 256) 551 depth = 256; 552 else if (depth < 2) 553 depth = 2; 554 return scsi_change_queue_depth(sdev, depth); 555 } else if (is_native_device) { 556 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit); 557 } else { 558 scsi_change_queue_depth(sdev, 1); 559 } 560 return sdev->queue_depth; 561 } 562 563 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 564 { 565 struct scsi_device *sdev = to_scsi_device(dev); 566 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 567 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 568 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 569 ? "Hidden\n" : 570 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 571 return snprintf(buf, PAGE_SIZE, "%s\n", 572 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 573 } 574 575 static struct device_attribute aac_raid_level_attr = { 576 .attr = { 577 .name = "level", 578 .mode = S_IRUGO, 579 }, 580 .show = aac_show_raid_level 581 }; 582 583 static ssize_t aac_show_unique_id(struct device *dev, 584 struct device_attribute *attr, char *buf) 585 { 586 struct scsi_device *sdev = to_scsi_device(dev); 587 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 588 unsigned char sn[16]; 589 590 memset(sn, 0, sizeof(sn)); 591 592 if (sdev_channel(sdev) == CONTAINER_CHANNEL) 593 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn)); 594 595 return snprintf(buf, 16 * 2 + 2, 596 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n", 597 sn[0], sn[1], sn[2], sn[3], 598 sn[4], sn[5], sn[6], sn[7], 599 sn[8], sn[9], sn[10], sn[11], 600 sn[12], sn[13], sn[14], sn[15]); 601 } 602 603 static struct device_attribute aac_unique_id_attr = { 604 .attr = { 605 .name = "unique_id", 606 .mode = 0444, 607 }, 608 .show = aac_show_unique_id 609 }; 610 611 612 613 static struct device_attribute *aac_dev_attrs[] = { 614 &aac_raid_level_attr, 615 &aac_unique_id_attr, 616 NULL, 617 }; 618 619 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 620 { 621 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 622 if (!capable(CAP_SYS_RAWIO)) 623 return -EPERM; 624 return aac_do_ioctl(dev, cmd, arg); 625 } 626 627 static int get_num_of_incomplete_fibs(struct aac_dev *aac) 628 { 629 630 unsigned long flags; 631 struct scsi_device *sdev = NULL; 632 struct Scsi_Host *shost = aac->scsi_host_ptr; 633 struct scsi_cmnd *scmnd = NULL; 634 struct device *ctrl_dev; 635 636 int mlcnt = 0; 637 int llcnt = 0; 638 int ehcnt = 0; 639 int fwcnt = 0; 640 int krlcnt = 0; 641 642 __shost_for_each_device(sdev, shost) { 643 spin_lock_irqsave(&sdev->list_lock, flags); 644 list_for_each_entry(scmnd, &sdev->cmd_list, list) { 645 switch (scmnd->SCp.phase) { 646 case AAC_OWNER_FIRMWARE: 647 fwcnt++; 648 break; 649 case AAC_OWNER_ERROR_HANDLER: 650 ehcnt++; 651 break; 652 case AAC_OWNER_LOWLEVEL: 653 llcnt++; 654 break; 655 case AAC_OWNER_MIDLEVEL: 656 mlcnt++; 657 break; 658 default: 659 krlcnt++; 660 break; 661 } 662 } 663 spin_unlock_irqrestore(&sdev->list_lock, flags); 664 } 665 666 ctrl_dev = &aac->pdev->dev; 667 668 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt); 669 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt); 670 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt); 671 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt); 672 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt); 673 674 return mlcnt + llcnt + ehcnt + fwcnt; 675 } 676 677 static int aac_eh_abort(struct scsi_cmnd* cmd) 678 { 679 struct scsi_device * dev = cmd->device; 680 struct Scsi_Host * host = dev->host; 681 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 682 int count, found; 683 u32 bus, cid; 684 int ret = FAILED; 685 686 bus = aac_logical_to_phys(scmd_channel(cmd)); 687 cid = scmd_id(cmd); 688 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { 689 struct fib *fib; 690 struct aac_hba_tm_req *tmf; 691 int status; 692 u64 address; 693 __le32 managed_request_id; 694 695 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n", 696 AAC_DRIVERNAME, 697 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun); 698 699 found = 0; 700 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 701 fib = &aac->fibs[count]; 702 if (*(u8 *)fib->hw_fib_va != 0 && 703 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) && 704 (fib->callback_data == cmd)) { 705 found = 1; 706 managed_request_id = ((struct aac_hba_cmd_req *) 707 fib->hw_fib_va)->request_id; 708 break; 709 } 710 } 711 if (!found) 712 return ret; 713 714 /* start a HBA_TMF_ABORT_TASK TMF request */ 715 fib = aac_fib_alloc(aac); 716 if (!fib) 717 return ret; 718 719 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 720 memset(tmf, 0, sizeof(*tmf)); 721 tmf->tmf = HBA_TMF_ABORT_TASK; 722 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; 723 tmf->lun[1] = cmd->device->lun; 724 725 address = (u64)fib->hw_error_pa; 726 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 727 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 728 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 729 730 fib->hbacmd_size = sizeof(*tmf); 731 cmd->SCp.sent_command = 0; 732 733 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib, 734 (fib_callback) aac_hba_callback, 735 (void *) cmd); 736 737 /* Wait up to 15 secs for completion */ 738 for (count = 0; count < 15; ++count) { 739 if (cmd->SCp.sent_command) { 740 ret = SUCCESS; 741 break; 742 } 743 msleep(1000); 744 } 745 746 if (ret != SUCCESS) 747 pr_err("%s: Host adapter abort request timed out\n", 748 AAC_DRIVERNAME); 749 } else { 750 pr_err( 751 "%s: Host adapter abort request.\n" 752 "%s: Outstanding commands on (%d,%d,%d,%d):\n", 753 AAC_DRIVERNAME, AAC_DRIVERNAME, 754 host->host_no, sdev_channel(dev), sdev_id(dev), 755 (int)dev->lun); 756 switch (cmd->cmnd[0]) { 757 case SERVICE_ACTION_IN_16: 758 if (!(aac->raw_io_interface) || 759 !(aac->raw_io_64) || 760 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 761 break; 762 case INQUIRY: 763 case READ_CAPACITY: 764 /* 765 * Mark associated FIB to not complete, 766 * eh handler does this 767 */ 768 for (count = 0; 769 count < (host->can_queue + AAC_NUM_MGT_FIB); 770 ++count) { 771 struct fib *fib = &aac->fibs[count]; 772 773 if (fib->hw_fib_va->header.XferState && 774 (fib->flags & FIB_CONTEXT_FLAG) && 775 (fib->callback_data == cmd)) { 776 fib->flags |= 777 FIB_CONTEXT_FLAG_TIMED_OUT; 778 cmd->SCp.phase = 779 AAC_OWNER_ERROR_HANDLER; 780 ret = SUCCESS; 781 } 782 } 783 break; 784 case TEST_UNIT_READY: 785 /* 786 * Mark associated FIB to not complete, 787 * eh handler does this 788 */ 789 for (count = 0; 790 count < (host->can_queue + AAC_NUM_MGT_FIB); 791 ++count) { 792 struct scsi_cmnd *command; 793 struct fib *fib = &aac->fibs[count]; 794 795 command = fib->callback_data; 796 797 if ((fib->hw_fib_va->header.XferState & 798 cpu_to_le32 799 (Async | NoResponseExpected)) && 800 (fib->flags & FIB_CONTEXT_FLAG) && 801 ((command)) && 802 (command->device == cmd->device)) { 803 fib->flags |= 804 FIB_CONTEXT_FLAG_TIMED_OUT; 805 command->SCp.phase = 806 AAC_OWNER_ERROR_HANDLER; 807 if (command == cmd) 808 ret = SUCCESS; 809 } 810 } 811 break; 812 } 813 } 814 return ret; 815 } 816 817 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info, 818 struct fib *fib, u64 tmf_lun) 819 { 820 struct aac_hba_tm_req *tmf; 821 u64 address; 822 823 /* start a HBA_TMF_LUN_RESET TMF request */ 824 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 825 memset(tmf, 0, sizeof(*tmf)); 826 tmf->tmf = HBA_TMF_LUN_RESET; 827 tmf->it_nexus = info->rmw_nexus; 828 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun); 829 830 address = (u64)fib->hw_error_pa; 831 tmf->error_ptr_hi = cpu_to_le32 832 ((u32)(address >> 32)); 833 tmf->error_ptr_lo = cpu_to_le32 834 ((u32)(address & 0xffffffff)); 835 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 836 fib->hbacmd_size = sizeof(*tmf); 837 838 return HBA_IU_TYPE_SCSI_TM_REQ; 839 } 840 841 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info, 842 struct fib *fib) 843 { 844 struct aac_hba_reset_req *rst; 845 u64 address; 846 847 /* already tried, start a hard reset now */ 848 rst = (struct aac_hba_reset_req *)fib->hw_fib_va; 849 memset(rst, 0, sizeof(*rst)); 850 rst->it_nexus = info->rmw_nexus; 851 852 address = (u64)fib->hw_error_pa; 853 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 854 rst->error_ptr_lo = cpu_to_le32 855 ((u32)(address & 0xffffffff)); 856 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 857 fib->hbacmd_size = sizeof(*rst); 858 859 return HBA_IU_TYPE_SATA_REQ; 860 } 861 862 void aac_tmf_callback(void *context, struct fib *fibptr) 863 { 864 struct aac_hba_resp *err = 865 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err; 866 struct aac_hba_map_info *info = context; 867 int res; 868 869 switch (err->service_response) { 870 case HBA_RESP_SVCRES_TMF_REJECTED: 871 res = -1; 872 break; 873 case HBA_RESP_SVCRES_TMF_LUN_INVALID: 874 res = 0; 875 break; 876 case HBA_RESP_SVCRES_TMF_COMPLETE: 877 case HBA_RESP_SVCRES_TMF_SUCCEEDED: 878 res = 0; 879 break; 880 default: 881 res = -2; 882 break; 883 } 884 aac_fib_complete(fibptr); 885 886 info->reset_state = res; 887 } 888 889 /* 890 * aac_eh_dev_reset - Device reset command handling 891 * @scsi_cmd: SCSI command block causing the reset 892 * 893 */ 894 static int aac_eh_dev_reset(struct scsi_cmnd *cmd) 895 { 896 struct scsi_device * dev = cmd->device; 897 struct Scsi_Host * host = dev->host; 898 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 899 struct aac_hba_map_info *info; 900 int count; 901 u32 bus, cid; 902 struct fib *fib; 903 int ret = FAILED; 904 int status; 905 u8 command; 906 907 bus = aac_logical_to_phys(scmd_channel(cmd)); 908 cid = scmd_id(cmd); 909 info = &aac->hba_map[bus][cid]; 910 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || 911 info->devtype != AAC_DEVTYPE_NATIVE_RAW) 912 return FAILED; 913 914 if (info->reset_state > 0) 915 return FAILED; 916 917 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 918 AAC_DRIVERNAME); 919 920 fib = aac_fib_alloc(aac); 921 if (!fib) 922 return ret; 923 924 /* start a HBA_TMF_LUN_RESET TMF request */ 925 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun); 926 927 info->reset_state = 1; 928 929 status = aac_hba_send(command, fib, 930 (fib_callback) aac_tmf_callback, 931 (void *) info); 932 933 /* Wait up to 15 seconds for completion */ 934 for (count = 0; count < 15; ++count) { 935 if (info->reset_state == 0) { 936 ret = info->reset_state == 0 ? SUCCESS : FAILED; 937 break; 938 } 939 msleep(1000); 940 } 941 942 return ret; 943 } 944 945 /* 946 * aac_eh_target_reset - Target reset command handling 947 * @scsi_cmd: SCSI command block causing the reset 948 * 949 */ 950 static int aac_eh_target_reset(struct scsi_cmnd *cmd) 951 { 952 struct scsi_device * dev = cmd->device; 953 struct Scsi_Host * host = dev->host; 954 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 955 struct aac_hba_map_info *info; 956 int count; 957 u32 bus, cid; 958 int ret = FAILED; 959 struct fib *fib; 960 int status; 961 u8 command; 962 963 bus = aac_logical_to_phys(scmd_channel(cmd)); 964 cid = scmd_id(cmd); 965 info = &aac->hba_map[bus][cid]; 966 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || 967 info->devtype != AAC_DEVTYPE_NATIVE_RAW) 968 return FAILED; 969 970 if (info->reset_state > 0) 971 return FAILED; 972 973 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 974 AAC_DRIVERNAME); 975 976 fib = aac_fib_alloc(aac); 977 if (!fib) 978 return ret; 979 980 981 /* already tried, start a hard reset now */ 982 command = aac_eh_tmf_hard_reset_fib(info, fib); 983 984 info->reset_state = 2; 985 986 status = aac_hba_send(command, fib, 987 (fib_callback) aac_tmf_callback, 988 (void *) info); 989 990 /* Wait up to 15 seconds for completion */ 991 for (count = 0; count < 15; ++count) { 992 if (info->reset_state <= 0) { 993 ret = info->reset_state == 0 ? SUCCESS : FAILED; 994 break; 995 } 996 msleep(1000); 997 } 998 999 return ret; 1000 } 1001 1002 /* 1003 * aac_eh_bus_reset - Bus reset command handling 1004 * @scsi_cmd: SCSI command block causing the reset 1005 * 1006 */ 1007 static int aac_eh_bus_reset(struct scsi_cmnd* cmd) 1008 { 1009 struct scsi_device * dev = cmd->device; 1010 struct Scsi_Host * host = dev->host; 1011 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1012 int count; 1013 u32 cmd_bus; 1014 int status = 0; 1015 1016 1017 cmd_bus = aac_logical_to_phys(scmd_channel(cmd)); 1018 /* Mark the assoc. FIB to not complete, eh handler does this */ 1019 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 1020 struct fib *fib = &aac->fibs[count]; 1021 1022 if (fib->hw_fib_va->header.XferState && 1023 (fib->flags & FIB_CONTEXT_FLAG) && 1024 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) { 1025 struct aac_hba_map_info *info; 1026 u32 bus, cid; 1027 1028 cmd = (struct scsi_cmnd *)fib->callback_data; 1029 bus = aac_logical_to_phys(scmd_channel(cmd)); 1030 if (bus != cmd_bus) 1031 continue; 1032 cid = scmd_id(cmd); 1033 info = &aac->hba_map[bus][cid]; 1034 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || 1035 info->devtype != AAC_DEVTYPE_NATIVE_RAW) { 1036 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 1037 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 1038 } 1039 } 1040 } 1041 1042 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); 1043 1044 /* 1045 * Check the health of the controller 1046 */ 1047 status = aac_adapter_check_health(aac); 1048 if (status) 1049 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status); 1050 1051 count = get_num_of_incomplete_fibs(aac); 1052 return (count == 0) ? SUCCESS : FAILED; 1053 } 1054 1055 /* 1056 * aac_eh_host_reset - Host reset command handling 1057 * @scsi_cmd: SCSI command block causing the reset 1058 * 1059 */ 1060 int aac_eh_host_reset(struct scsi_cmnd *cmd) 1061 { 1062 struct scsi_device * dev = cmd->device; 1063 struct Scsi_Host * host = dev->host; 1064 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1065 int ret = FAILED; 1066 __le32 supported_options2 = 0; 1067 bool is_mu_reset; 1068 bool is_ignore_reset; 1069 bool is_doorbell_reset; 1070 1071 /* 1072 * Check if reset is supported by the firmware 1073 */ 1074 supported_options2 = aac->supplement_adapter_info.supported_options2; 1075 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET; 1076 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET; 1077 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET; 1078 /* 1079 * This adapter needs a blind reset, only do so for 1080 * Adapters that support a register, instead of a commanded, 1081 * reset. 1082 */ 1083 if ((is_mu_reset || is_doorbell_reset) 1084 && aac_check_reset 1085 && (aac_check_reset != -1 || !is_ignore_reset)) { 1086 /* Bypass wait for command quiesce */ 1087 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0) 1088 ret = SUCCESS; 1089 } 1090 /* 1091 * Reset EH state 1092 */ 1093 if (ret == SUCCESS) { 1094 int bus, cid; 1095 struct aac_hba_map_info *info; 1096 1097 for (bus = 0; bus < AAC_MAX_BUSES; bus++) { 1098 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) { 1099 info = &aac->hba_map[bus][cid]; 1100 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW) 1101 info->reset_state = 0; 1102 } 1103 } 1104 } 1105 return ret; 1106 } 1107 1108 /** 1109 * aac_cfg_open - open a configuration file 1110 * @inode: inode being opened 1111 * @file: file handle attached 1112 * 1113 * Called when the configuration device is opened. Does the needed 1114 * set up on the handle and then returns 1115 * 1116 * Bugs: This needs extending to check a given adapter is present 1117 * so we can support hot plugging, and to ref count adapters. 1118 */ 1119 1120 static int aac_cfg_open(struct inode *inode, struct file *file) 1121 { 1122 struct aac_dev *aac; 1123 unsigned minor_number = iminor(inode); 1124 int err = -ENODEV; 1125 1126 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 1127 list_for_each_entry(aac, &aac_devices, entry) { 1128 if (aac->id == minor_number) { 1129 file->private_data = aac; 1130 err = 0; 1131 break; 1132 } 1133 } 1134 mutex_unlock(&aac_mutex); 1135 1136 return err; 1137 } 1138 1139 /** 1140 * aac_cfg_ioctl - AAC configuration request 1141 * @inode: inode of device 1142 * @file: file handle 1143 * @cmd: ioctl command code 1144 * @arg: argument 1145 * 1146 * Handles a configuration ioctl. Currently this involves wrapping it 1147 * up and feeding it into the nasty windowsalike glue layer. 1148 * 1149 * Bugs: Needs locking against parallel ioctls lower down 1150 * Bugs: Needs to handle hot plugging 1151 */ 1152 1153 static long aac_cfg_ioctl(struct file *file, 1154 unsigned int cmd, unsigned long arg) 1155 { 1156 struct aac_dev *aac = (struct aac_dev *)file->private_data; 1157 1158 if (!capable(CAP_SYS_RAWIO)) 1159 return -EPERM; 1160 1161 return aac_do_ioctl(aac, cmd, (void __user *)arg); 1162 } 1163 1164 #ifdef CONFIG_COMPAT 1165 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 1166 { 1167 long ret; 1168 switch (cmd) { 1169 case FSACTL_MINIPORT_REV_CHECK: 1170 case FSACTL_SENDFIB: 1171 case FSACTL_OPEN_GET_ADAPTER_FIB: 1172 case FSACTL_CLOSE_GET_ADAPTER_FIB: 1173 case FSACTL_SEND_RAW_SRB: 1174 case FSACTL_GET_PCI_INFO: 1175 case FSACTL_QUERY_DISK: 1176 case FSACTL_DELETE_DISK: 1177 case FSACTL_FORCE_DELETE_DISK: 1178 case FSACTL_GET_CONTAINERS: 1179 case FSACTL_SEND_LARGE_FIB: 1180 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 1181 break; 1182 1183 case FSACTL_GET_NEXT_ADAPTER_FIB: { 1184 struct fib_ioctl __user *f; 1185 1186 f = compat_alloc_user_space(sizeof(*f)); 1187 ret = 0; 1188 if (clear_user(f, sizeof(*f))) 1189 ret = -EFAULT; 1190 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 1191 ret = -EFAULT; 1192 if (!ret) 1193 ret = aac_do_ioctl(dev, cmd, f); 1194 break; 1195 } 1196 1197 default: 1198 ret = -ENOIOCTLCMD; 1199 break; 1200 } 1201 return ret; 1202 } 1203 1204 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 1205 { 1206 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 1207 if (!capable(CAP_SYS_RAWIO)) 1208 return -EPERM; 1209 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 1210 } 1211 1212 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 1213 { 1214 if (!capable(CAP_SYS_RAWIO)) 1215 return -EPERM; 1216 return aac_compat_do_ioctl(file->private_data, cmd, arg); 1217 } 1218 #endif 1219 1220 static ssize_t aac_show_model(struct device *device, 1221 struct device_attribute *attr, char *buf) 1222 { 1223 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1224 int len; 1225 1226 if (dev->supplement_adapter_info.adapter_type_text[0]) { 1227 char *cp = dev->supplement_adapter_info.adapter_type_text; 1228 while (*cp && *cp != ' ') 1229 ++cp; 1230 while (*cp == ' ') 1231 ++cp; 1232 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 1233 } else 1234 len = snprintf(buf, PAGE_SIZE, "%s\n", 1235 aac_drivers[dev->cardtype].model); 1236 return len; 1237 } 1238 1239 static ssize_t aac_show_vendor(struct device *device, 1240 struct device_attribute *attr, char *buf) 1241 { 1242 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1243 struct aac_supplement_adapter_info *sup_adap_info; 1244 int len; 1245 1246 sup_adap_info = &dev->supplement_adapter_info; 1247 if (sup_adap_info->adapter_type_text[0]) { 1248 char *cp = sup_adap_info->adapter_type_text; 1249 while (*cp && *cp != ' ') 1250 ++cp; 1251 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 1252 (int)(cp - (char *)sup_adap_info->adapter_type_text), 1253 sup_adap_info->adapter_type_text); 1254 } else 1255 len = snprintf(buf, PAGE_SIZE, "%s\n", 1256 aac_drivers[dev->cardtype].vname); 1257 return len; 1258 } 1259 1260 static ssize_t aac_show_flags(struct device *cdev, 1261 struct device_attribute *attr, char *buf) 1262 { 1263 int len = 0; 1264 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 1265 1266 if (nblank(dprintk(x))) 1267 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 1268 #ifdef AAC_DETAILED_STATUS_INFO 1269 len += snprintf(buf + len, PAGE_SIZE - len, 1270 "AAC_DETAILED_STATUS_INFO\n"); 1271 #endif 1272 if (dev->raw_io_interface && dev->raw_io_64) 1273 len += snprintf(buf + len, PAGE_SIZE - len, 1274 "SAI_READ_CAPACITY_16\n"); 1275 if (dev->jbod) 1276 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 1277 if (dev->supplement_adapter_info.supported_options2 & 1278 AAC_OPTION_POWER_MANAGEMENT) 1279 len += snprintf(buf + len, PAGE_SIZE - len, 1280 "SUPPORTED_POWER_MANAGEMENT\n"); 1281 if (dev->msi) 1282 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 1283 return len; 1284 } 1285 1286 static ssize_t aac_show_kernel_version(struct device *device, 1287 struct device_attribute *attr, 1288 char *buf) 1289 { 1290 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1291 int len, tmp; 1292 1293 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 1294 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1295 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1296 le32_to_cpu(dev->adapter_info.kernelbuild)); 1297 return len; 1298 } 1299 1300 static ssize_t aac_show_monitor_version(struct device *device, 1301 struct device_attribute *attr, 1302 char *buf) 1303 { 1304 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1305 int len, tmp; 1306 1307 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 1308 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1309 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1310 le32_to_cpu(dev->adapter_info.monitorbuild)); 1311 return len; 1312 } 1313 1314 static ssize_t aac_show_bios_version(struct device *device, 1315 struct device_attribute *attr, 1316 char *buf) 1317 { 1318 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1319 int len, tmp; 1320 1321 tmp = le32_to_cpu(dev->adapter_info.biosrev); 1322 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1323 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1324 le32_to_cpu(dev->adapter_info.biosbuild)); 1325 return len; 1326 } 1327 1328 static ssize_t aac_show_driver_version(struct device *device, 1329 struct device_attribute *attr, 1330 char *buf) 1331 { 1332 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version); 1333 } 1334 1335 static ssize_t aac_show_serial_number(struct device *device, 1336 struct device_attribute *attr, char *buf) 1337 { 1338 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1339 int len = 0; 1340 1341 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 1342 len = snprintf(buf, 16, "%06X\n", 1343 le32_to_cpu(dev->adapter_info.serial[0])); 1344 if (len && 1345 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[ 1346 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len], 1347 buf, len-1)) 1348 len = snprintf(buf, 16, "%.*s\n", 1349 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no), 1350 dev->supplement_adapter_info.mfg_pcba_serial_no); 1351 1352 return min(len, 16); 1353 } 1354 1355 static ssize_t aac_show_max_channel(struct device *device, 1356 struct device_attribute *attr, char *buf) 1357 { 1358 return snprintf(buf, PAGE_SIZE, "%d\n", 1359 class_to_shost(device)->max_channel); 1360 } 1361 1362 static ssize_t aac_show_max_id(struct device *device, 1363 struct device_attribute *attr, char *buf) 1364 { 1365 return snprintf(buf, PAGE_SIZE, "%d\n", 1366 class_to_shost(device)->max_id); 1367 } 1368 1369 static ssize_t aac_store_reset_adapter(struct device *device, 1370 struct device_attribute *attr, 1371 const char *buf, size_t count) 1372 { 1373 int retval = -EACCES; 1374 int bled = 0; 1375 struct aac_dev *aac; 1376 1377 1378 if (!capable(CAP_SYS_ADMIN)) 1379 return retval; 1380 1381 aac = (struct aac_dev *)class_to_shost(device)->hostdata; 1382 bled = buf[0] == '!' ? 1:0; 1383 retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET); 1384 if (retval >= 0) 1385 retval = count; 1386 return retval; 1387 } 1388 1389 static ssize_t aac_show_reset_adapter(struct device *device, 1390 struct device_attribute *attr, 1391 char *buf) 1392 { 1393 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1394 int len, tmp; 1395 1396 tmp = aac_adapter_check_health(dev); 1397 if ((tmp == 0) && dev->in_reset) 1398 tmp = -EBUSY; 1399 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 1400 return len; 1401 } 1402 1403 static struct device_attribute aac_model = { 1404 .attr = { 1405 .name = "model", 1406 .mode = S_IRUGO, 1407 }, 1408 .show = aac_show_model, 1409 }; 1410 static struct device_attribute aac_vendor = { 1411 .attr = { 1412 .name = "vendor", 1413 .mode = S_IRUGO, 1414 }, 1415 .show = aac_show_vendor, 1416 }; 1417 static struct device_attribute aac_flags = { 1418 .attr = { 1419 .name = "flags", 1420 .mode = S_IRUGO, 1421 }, 1422 .show = aac_show_flags, 1423 }; 1424 static struct device_attribute aac_kernel_version = { 1425 .attr = { 1426 .name = "hba_kernel_version", 1427 .mode = S_IRUGO, 1428 }, 1429 .show = aac_show_kernel_version, 1430 }; 1431 static struct device_attribute aac_monitor_version = { 1432 .attr = { 1433 .name = "hba_monitor_version", 1434 .mode = S_IRUGO, 1435 }, 1436 .show = aac_show_monitor_version, 1437 }; 1438 static struct device_attribute aac_bios_version = { 1439 .attr = { 1440 .name = "hba_bios_version", 1441 .mode = S_IRUGO, 1442 }, 1443 .show = aac_show_bios_version, 1444 }; 1445 static struct device_attribute aac_lld_version = { 1446 .attr = { 1447 .name = "driver_version", 1448 .mode = 0444, 1449 }, 1450 .show = aac_show_driver_version, 1451 }; 1452 static struct device_attribute aac_serial_number = { 1453 .attr = { 1454 .name = "serial_number", 1455 .mode = S_IRUGO, 1456 }, 1457 .show = aac_show_serial_number, 1458 }; 1459 static struct device_attribute aac_max_channel = { 1460 .attr = { 1461 .name = "max_channel", 1462 .mode = S_IRUGO, 1463 }, 1464 .show = aac_show_max_channel, 1465 }; 1466 static struct device_attribute aac_max_id = { 1467 .attr = { 1468 .name = "max_id", 1469 .mode = S_IRUGO, 1470 }, 1471 .show = aac_show_max_id, 1472 }; 1473 static struct device_attribute aac_reset = { 1474 .attr = { 1475 .name = "reset_host", 1476 .mode = S_IWUSR|S_IRUGO, 1477 }, 1478 .store = aac_store_reset_adapter, 1479 .show = aac_show_reset_adapter, 1480 }; 1481 1482 static struct device_attribute *aac_attrs[] = { 1483 &aac_model, 1484 &aac_vendor, 1485 &aac_flags, 1486 &aac_kernel_version, 1487 &aac_monitor_version, 1488 &aac_bios_version, 1489 &aac_lld_version, 1490 &aac_serial_number, 1491 &aac_max_channel, 1492 &aac_max_id, 1493 &aac_reset, 1494 NULL 1495 }; 1496 1497 ssize_t aac_get_serial_number(struct device *device, char *buf) 1498 { 1499 return aac_show_serial_number(device, &aac_serial_number, buf); 1500 } 1501 1502 static const struct file_operations aac_cfg_fops = { 1503 .owner = THIS_MODULE, 1504 .unlocked_ioctl = aac_cfg_ioctl, 1505 #ifdef CONFIG_COMPAT 1506 .compat_ioctl = aac_compat_cfg_ioctl, 1507 #endif 1508 .open = aac_cfg_open, 1509 .llseek = noop_llseek, 1510 }; 1511 1512 static struct scsi_host_template aac_driver_template = { 1513 .module = THIS_MODULE, 1514 .name = "AAC", 1515 .proc_name = AAC_DRIVERNAME, 1516 .info = aac_info, 1517 .ioctl = aac_ioctl, 1518 #ifdef CONFIG_COMPAT 1519 .compat_ioctl = aac_compat_ioctl, 1520 #endif 1521 .queuecommand = aac_queuecommand, 1522 .bios_param = aac_biosparm, 1523 .shost_attrs = aac_attrs, 1524 .slave_configure = aac_slave_configure, 1525 .change_queue_depth = aac_change_queue_depth, 1526 .sdev_attrs = aac_dev_attrs, 1527 .eh_abort_handler = aac_eh_abort, 1528 .eh_device_reset_handler = aac_eh_dev_reset, 1529 .eh_target_reset_handler = aac_eh_target_reset, 1530 .eh_bus_reset_handler = aac_eh_bus_reset, 1531 .eh_host_reset_handler = aac_eh_host_reset, 1532 .can_queue = AAC_NUM_IO_FIB, 1533 .this_id = MAXIMUM_NUM_CONTAINERS, 1534 .sg_tablesize = 16, 1535 .max_sectors = 128, 1536 #if (AAC_NUM_IO_FIB > 256) 1537 .cmd_per_lun = 256, 1538 #else 1539 .cmd_per_lun = AAC_NUM_IO_FIB, 1540 #endif 1541 .use_clustering = ENABLE_CLUSTERING, 1542 .emulated = 1, 1543 .no_write_same = 1, 1544 }; 1545 1546 static void __aac_shutdown(struct aac_dev * aac) 1547 { 1548 int i; 1549 1550 aac->adapter_shutdown = 1; 1551 aac_send_shutdown(aac); 1552 1553 if (aac->aif_thread) { 1554 int i; 1555 /* Clear out events first */ 1556 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { 1557 struct fib *fib = &aac->fibs[i]; 1558 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && 1559 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) 1560 up(&fib->event_wait); 1561 } 1562 kthread_stop(aac->thread); 1563 } 1564 aac_adapter_disable_int(aac); 1565 if (aac_is_src(aac)) { 1566 if (aac->max_msix > 1) { 1567 for (i = 0; i < aac->max_msix; i++) { 1568 free_irq(pci_irq_vector(aac->pdev, i), 1569 &(aac->aac_msix[i])); 1570 } 1571 } else { 1572 free_irq(aac->pdev->irq, 1573 &(aac->aac_msix[0])); 1574 } 1575 } else { 1576 free_irq(aac->pdev->irq, aac); 1577 } 1578 if (aac->msi) 1579 pci_disable_msi(aac->pdev); 1580 else if (aac->max_msix > 1) 1581 pci_disable_msix(aac->pdev); 1582 } 1583 static void aac_init_char(void) 1584 { 1585 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); 1586 if (aac_cfg_major < 0) { 1587 pr_err("aacraid: unable to register \"aac\" device.\n"); 1588 } 1589 } 1590 1591 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 1592 { 1593 unsigned index = id->driver_data; 1594 struct Scsi_Host *shost; 1595 struct aac_dev *aac; 1596 struct list_head *insert = &aac_devices; 1597 int error = -ENODEV; 1598 int unique_id = 0; 1599 u64 dmamask; 1600 int mask_bits = 0; 1601 extern int aac_sync_mode; 1602 1603 /* 1604 * Only series 7 needs freset. 1605 */ 1606 if (pdev->device == PMC_DEVICE_S7) 1607 pdev->needs_freset = 1; 1608 1609 list_for_each_entry(aac, &aac_devices, entry) { 1610 if (aac->id > unique_id) 1611 break; 1612 insert = &aac->entry; 1613 unique_id++; 1614 } 1615 1616 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | 1617 PCIE_LINK_STATE_CLKPM); 1618 1619 error = pci_enable_device(pdev); 1620 if (error) 1621 goto out; 1622 error = -ENODEV; 1623 1624 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) { 1625 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 1626 if (error) { 1627 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed"); 1628 goto out_disable_pdev; 1629 } 1630 } 1631 1632 /* 1633 * If the quirk31 bit is set, the adapter needs adapter 1634 * to driver communication memory to be allocated below 2gig 1635 */ 1636 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) { 1637 dmamask = DMA_BIT_MASK(31); 1638 mask_bits = 31; 1639 } else { 1640 dmamask = DMA_BIT_MASK(32); 1641 mask_bits = 32; 1642 } 1643 1644 error = pci_set_consistent_dma_mask(pdev, dmamask); 1645 if (error) { 1646 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n" 1647 , mask_bits); 1648 goto out_disable_pdev; 1649 } 1650 1651 pci_set_master(pdev); 1652 1653 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1654 if (!shost) 1655 goto out_disable_pdev; 1656 1657 shost->irq = pdev->irq; 1658 shost->unique_id = unique_id; 1659 shost->max_cmd_len = 16; 1660 shost->use_cmd_list = 1; 1661 1662 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) 1663 aac_init_char(); 1664 1665 aac = (struct aac_dev *)shost->hostdata; 1666 aac->base_start = pci_resource_start(pdev, 0); 1667 aac->scsi_host_ptr = shost; 1668 aac->pdev = pdev; 1669 aac->name = aac_driver_template.name; 1670 aac->id = shost->unique_id; 1671 aac->cardtype = index; 1672 INIT_LIST_HEAD(&aac->entry); 1673 1674 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1675 if (!aac->fibs) 1676 goto out_free_host; 1677 spin_lock_init(&aac->fib_lock); 1678 1679 mutex_init(&aac->ioctl_mutex); 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 goto out_unmap; 1686 1687 if (aac->sync_mode) { 1688 if (aac_sync_mode) 1689 printk(KERN_INFO "%s%d: Sync. mode enforced " 1690 "by driver parameter. This will cause " 1691 "a significant performance decrease!\n", 1692 aac->name, 1693 aac->id); 1694 else 1695 printk(KERN_INFO "%s%d: Async. mode not supported " 1696 "by current driver, sync. mode enforced." 1697 "\nPlease update driver to get full performance.\n", 1698 aac->name, 1699 aac->id); 1700 } 1701 1702 /* 1703 * Start any kernel threads needed 1704 */ 1705 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1706 if (IS_ERR(aac->thread)) { 1707 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1708 error = PTR_ERR(aac->thread); 1709 aac->thread = NULL; 1710 goto out_deinit; 1711 } 1712 1713 aac->maximum_num_channels = aac_drivers[index].channels; 1714 error = aac_get_adapter_info(aac); 1715 if (error < 0) 1716 goto out_deinit; 1717 1718 /* 1719 * Lets override negotiations and drop the maximum SG limit to 34 1720 */ 1721 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1722 (shost->sg_tablesize > 34)) { 1723 shost->sg_tablesize = 34; 1724 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1725 } 1726 1727 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1728 (shost->sg_tablesize > 17)) { 1729 shost->sg_tablesize = 17; 1730 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1731 } 1732 1733 error = pci_set_dma_max_seg_size(pdev, 1734 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? 1735 (shost->max_sectors << 9) : 65536); 1736 if (error) 1737 goto out_deinit; 1738 1739 /* 1740 * Firmware printf works only with older firmware. 1741 */ 1742 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1743 aac->printf_enabled = 1; 1744 else 1745 aac->printf_enabled = 0; 1746 1747 /* 1748 * max channel will be the physical channels plus 1 virtual channel 1749 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1750 * physical channels are address by their actual physical number+1 1751 */ 1752 if (aac->nondasd_support || expose_physicals || aac->jbod) 1753 shost->max_channel = aac->maximum_num_channels; 1754 else 1755 shost->max_channel = 0; 1756 1757 aac_get_config_status(aac, 0); 1758 aac_get_containers(aac); 1759 list_add(&aac->entry, insert); 1760 1761 shost->max_id = aac->maximum_num_containers; 1762 if (shost->max_id < aac->maximum_num_physicals) 1763 shost->max_id = aac->maximum_num_physicals; 1764 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1765 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1766 else 1767 shost->this_id = shost->max_id; 1768 1769 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC) 1770 aac_intr_normal(aac, 0, 2, 0, NULL); 1771 1772 /* 1773 * dmb - we may need to move the setting of these parms somewhere else once 1774 * we get a fib that can report the actual numbers 1775 */ 1776 shost->max_lun = AAC_MAX_LUN; 1777 1778 pci_set_drvdata(pdev, shost); 1779 1780 error = scsi_add_host(shost, &pdev->dev); 1781 if (error) 1782 goto out_deinit; 1783 scsi_scan_host(shost); 1784 1785 pci_enable_pcie_error_reporting(pdev); 1786 pci_save_state(pdev); 1787 1788 return 0; 1789 1790 out_deinit: 1791 __aac_shutdown(aac); 1792 out_unmap: 1793 aac_fib_map_free(aac); 1794 if (aac->comm_addr) 1795 dma_free_coherent(&aac->pdev->dev, aac->comm_size, 1796 aac->comm_addr, aac->comm_phys); 1797 kfree(aac->queues); 1798 aac_adapter_ioremap(aac, 0); 1799 kfree(aac->fibs); 1800 kfree(aac->fsa_dev); 1801 out_free_host: 1802 scsi_host_put(shost); 1803 out_disable_pdev: 1804 pci_disable_device(pdev); 1805 out: 1806 return error; 1807 } 1808 1809 static void aac_release_resources(struct aac_dev *aac) 1810 { 1811 aac_adapter_disable_int(aac); 1812 aac_free_irq(aac); 1813 } 1814 1815 static int aac_acquire_resources(struct aac_dev *dev) 1816 { 1817 unsigned long status; 1818 /* 1819 * First clear out all interrupts. Then enable the one's that we 1820 * can handle. 1821 */ 1822 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) 1823 || status == 0xffffffff) 1824 msleep(20); 1825 1826 aac_adapter_disable_int(dev); 1827 aac_adapter_enable_int(dev); 1828 1829 1830 if (aac_is_src(dev)) 1831 aac_define_int_mode(dev); 1832 1833 if (dev->msi_enabled) 1834 aac_src_access_devreg(dev, AAC_ENABLE_MSIX); 1835 1836 if (aac_acquire_irq(dev)) 1837 goto error_iounmap; 1838 1839 aac_adapter_enable_int(dev); 1840 1841 /*max msix may change after EEH 1842 * Re-assign vectors to fibs 1843 */ 1844 aac_fib_vector_assign(dev); 1845 1846 if (!dev->sync_mode) { 1847 /* After EEH recovery or suspend resume, max_msix count 1848 * may change, therefore updating in init as well. 1849 */ 1850 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix); 1851 aac_adapter_start(dev); 1852 } 1853 return 0; 1854 1855 error_iounmap: 1856 return -1; 1857 1858 } 1859 1860 #if (defined(CONFIG_PM)) 1861 static int aac_suspend(struct pci_dev *pdev, pm_message_t state) 1862 { 1863 1864 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1865 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1866 1867 scsi_block_requests(shost); 1868 aac_send_shutdown(aac); 1869 1870 aac_release_resources(aac); 1871 1872 pci_set_drvdata(pdev, shost); 1873 pci_save_state(pdev); 1874 pci_disable_device(pdev); 1875 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 1876 1877 return 0; 1878 } 1879 1880 static int aac_resume(struct pci_dev *pdev) 1881 { 1882 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1883 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1884 int r; 1885 1886 pci_set_power_state(pdev, PCI_D0); 1887 pci_enable_wake(pdev, PCI_D0, 0); 1888 pci_restore_state(pdev); 1889 r = pci_enable_device(pdev); 1890 1891 if (r) 1892 goto fail_device; 1893 1894 pci_set_master(pdev); 1895 if (aac_acquire_resources(aac)) 1896 goto fail_device; 1897 /* 1898 * reset this flag to unblock ioctl() as it was set at 1899 * aac_send_shutdown() to block ioctls from upperlayer 1900 */ 1901 aac->adapter_shutdown = 0; 1902 scsi_unblock_requests(shost); 1903 1904 return 0; 1905 1906 fail_device: 1907 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); 1908 scsi_host_put(shost); 1909 pci_disable_device(pdev); 1910 return -ENODEV; 1911 } 1912 #endif 1913 1914 static void aac_shutdown(struct pci_dev *dev) 1915 { 1916 struct Scsi_Host *shost = pci_get_drvdata(dev); 1917 scsi_block_requests(shost); 1918 __aac_shutdown((struct aac_dev *)shost->hostdata); 1919 } 1920 1921 static void aac_remove_one(struct pci_dev *pdev) 1922 { 1923 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1924 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1925 1926 scsi_remove_host(shost); 1927 1928 __aac_shutdown(aac); 1929 aac_fib_map_free(aac); 1930 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr, 1931 aac->comm_phys); 1932 kfree(aac->queues); 1933 1934 aac_adapter_ioremap(aac, 0); 1935 1936 kfree(aac->fibs); 1937 kfree(aac->fsa_dev); 1938 1939 list_del(&aac->entry); 1940 scsi_host_put(shost); 1941 pci_disable_device(pdev); 1942 if (list_empty(&aac_devices)) { 1943 unregister_chrdev(aac_cfg_major, "aac"); 1944 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; 1945 } 1946 } 1947 1948 static void aac_flush_ios(struct aac_dev *aac) 1949 { 1950 int i; 1951 struct scsi_cmnd *cmd; 1952 1953 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) { 1954 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data; 1955 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) { 1956 scsi_dma_unmap(cmd); 1957 1958 if (aac->handle_pci_error) 1959 cmd->result = DID_NO_CONNECT << 16; 1960 else 1961 cmd->result = DID_RESET << 16; 1962 1963 cmd->scsi_done(cmd); 1964 } 1965 } 1966 } 1967 1968 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, 1969 enum pci_channel_state error) 1970 { 1971 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1972 struct aac_dev *aac = shost_priv(shost); 1973 1974 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); 1975 1976 switch (error) { 1977 case pci_channel_io_normal: 1978 return PCI_ERS_RESULT_CAN_RECOVER; 1979 case pci_channel_io_frozen: 1980 aac->handle_pci_error = 1; 1981 1982 scsi_block_requests(aac->scsi_host_ptr); 1983 aac_flush_ios(aac); 1984 aac_release_resources(aac); 1985 1986 pci_disable_pcie_error_reporting(pdev); 1987 aac_adapter_ioremap(aac, 0); 1988 1989 return PCI_ERS_RESULT_NEED_RESET; 1990 case pci_channel_io_perm_failure: 1991 aac->handle_pci_error = 1; 1992 1993 aac_flush_ios(aac); 1994 return PCI_ERS_RESULT_DISCONNECT; 1995 } 1996 1997 return PCI_ERS_RESULT_NEED_RESET; 1998 } 1999 2000 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) 2001 { 2002 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); 2003 return PCI_ERS_RESULT_NEED_RESET; 2004 } 2005 2006 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) 2007 { 2008 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); 2009 pci_restore_state(pdev); 2010 if (pci_enable_device(pdev)) { 2011 dev_warn(&pdev->dev, 2012 "aacraid: failed to enable slave\n"); 2013 goto fail_device; 2014 } 2015 2016 pci_set_master(pdev); 2017 2018 if (pci_enable_device_mem(pdev)) { 2019 dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); 2020 goto fail_device; 2021 } 2022 2023 return PCI_ERS_RESULT_RECOVERED; 2024 2025 fail_device: 2026 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); 2027 return PCI_ERS_RESULT_DISCONNECT; 2028 } 2029 2030 2031 static void aac_pci_resume(struct pci_dev *pdev) 2032 { 2033 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2034 struct scsi_device *sdev = NULL; 2035 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); 2036 2037 pci_cleanup_aer_uncorrect_error_status(pdev); 2038 2039 if (aac_adapter_ioremap(aac, aac->base_size)) { 2040 2041 dev_err(&pdev->dev, "aacraid: ioremap failed\n"); 2042 /* remap failed, go back ... */ 2043 aac->comm_interface = AAC_COMM_PRODUCER; 2044 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { 2045 dev_warn(&pdev->dev, 2046 "aacraid: unable to map adapter.\n"); 2047 2048 return; 2049 } 2050 } 2051 2052 msleep(10000); 2053 2054 aac_acquire_resources(aac); 2055 2056 /* 2057 * reset this flag to unblock ioctl() as it was set 2058 * at aac_send_shutdown() to block ioctls from upperlayer 2059 */ 2060 aac->adapter_shutdown = 0; 2061 aac->handle_pci_error = 0; 2062 2063 shost_for_each_device(sdev, shost) 2064 if (sdev->sdev_state == SDEV_OFFLINE) 2065 sdev->sdev_state = SDEV_RUNNING; 2066 scsi_unblock_requests(aac->scsi_host_ptr); 2067 scsi_scan_host(aac->scsi_host_ptr); 2068 pci_save_state(pdev); 2069 2070 dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); 2071 } 2072 2073 static struct pci_error_handlers aac_pci_err_handler = { 2074 .error_detected = aac_pci_error_detected, 2075 .mmio_enabled = aac_pci_mmio_enabled, 2076 .slot_reset = aac_pci_slot_reset, 2077 .resume = aac_pci_resume, 2078 }; 2079 2080 static struct pci_driver aac_pci_driver = { 2081 .name = AAC_DRIVERNAME, 2082 .id_table = aac_pci_tbl, 2083 .probe = aac_probe_one, 2084 .remove = aac_remove_one, 2085 #if (defined(CONFIG_PM)) 2086 .suspend = aac_suspend, 2087 .resume = aac_resume, 2088 #endif 2089 .shutdown = aac_shutdown, 2090 .err_handler = &aac_pci_err_handler, 2091 }; 2092 2093 static int __init aac_init(void) 2094 { 2095 int error; 2096 2097 printk(KERN_INFO "Adaptec %s driver %s\n", 2098 AAC_DRIVERNAME, aac_driver_version); 2099 2100 error = pci_register_driver(&aac_pci_driver); 2101 if (error < 0) 2102 return error; 2103 2104 aac_init_char(); 2105 2106 2107 return 0; 2108 } 2109 2110 static void __exit aac_exit(void) 2111 { 2112 if (aac_cfg_major > -1) 2113 unregister_chrdev(aac_cfg_major, "aac"); 2114 pci_unregister_driver(&aac_pci_driver); 2115 } 2116 2117 module_init(aac_init); 2118 module_exit(aac_exit); 2119