1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Adaptec AAC series RAID controller driver 4 * (c) Copyright 2001 Red Hat Inc. 5 * 6 * based on the old aacraid driver that is.. 7 * Adaptec aacraid device driver for Linux. 8 * 9 * Copyright (c) 2000-2010 Adaptec, Inc. 10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) 12 * 13 * Module Name: 14 * linit.c 15 * 16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 17 */ 18 19 20 #include <linux/compat.h> 21 #include <linux/blkdev.h> 22 #include <linux/completion.h> 23 #include <linux/init.h> 24 #include <linux/interrupt.h> 25 #include <linux/kernel.h> 26 #include <linux/module.h> 27 #include <linux/moduleparam.h> 28 #include <linux/pci.h> 29 #include <linux/aer.h> 30 #include <linux/slab.h> 31 #include <linux/mutex.h> 32 #include <linux/spinlock.h> 33 #include <linux/syscalls.h> 34 #include <linux/delay.h> 35 #include <linux/kthread.h> 36 37 #include <scsi/scsi.h> 38 #include <scsi/scsi_cmnd.h> 39 #include <scsi/scsi_device.h> 40 #include <scsi/scsi_host.h> 41 #include <scsi/scsi_tcq.h> 42 #include <scsi/scsicam.h> 43 #include <scsi/scsi_eh.h> 44 45 #include "aacraid.h" 46 47 #define AAC_DRIVER_VERSION "1.2.1" 48 #ifndef AAC_DRIVER_BRANCH 49 #define AAC_DRIVER_BRANCH "" 50 #endif 51 #define AAC_DRIVERNAME "aacraid" 52 53 #ifdef AAC_DRIVER_BUILD 54 #define _str(x) #x 55 #define str(x) _str(x) 56 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 57 #else 58 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH 59 #endif 60 61 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 63 "Adaptec Advanced Raid Products, " 64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 65 MODULE_LICENSE("GPL"); 66 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 67 68 static DEFINE_MUTEX(aac_mutex); 69 static LIST_HEAD(aac_devices); 70 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; 71 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 72 73 /* 74 * Because of the way Linux names scsi devices, the order in this table has 75 * become important. Check for on-board Raid first, add-in cards second. 76 * 77 * Note: The last field is used to index into aac_drivers below. 78 */ 79 static const struct pci_device_id aac_pci_tbl[] = { 80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 96 97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 135 136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 141 142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ 148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ 149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ 150 { 0,} 151 }; 152 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 153 154 /* 155 * dmb - For now we add the number of channels to this structure. 156 * In the future we should add a fib that reports the number of channels 157 * for the card. At that time we can remove the channels from here 158 */ 159 static struct aac_driver_ident aac_drivers[] = { 160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 176 177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 213 214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 219 220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ 225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */ 226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */ 227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */ 228 }; 229 230 /** 231 * aac_queuecommand - queue a SCSI command 232 * @cmd: SCSI command to queue 233 * @done: Function to call on command completion 234 * 235 * Queues a command for execution by the associated Host Adapter. 236 * 237 * TODO: unify with aac_scsi_cmd(). 238 */ 239 240 static int aac_queuecommand(struct Scsi_Host *shost, 241 struct scsi_cmnd *cmd) 242 { 243 int r = 0; 244 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 245 r = (aac_scsi_cmd(cmd) ? FAILED : 0); 246 return r; 247 } 248 249 /** 250 * aac_info - Returns the host adapter name 251 * @shost: Scsi host to report on 252 * 253 * Returns a static string describing the device in question 254 */ 255 256 static const char *aac_info(struct Scsi_Host *shost) 257 { 258 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 259 return aac_drivers[dev->cardtype].name; 260 } 261 262 /** 263 * aac_get_driver_ident 264 * @devtype: index into lookup table 265 * 266 * Returns a pointer to the entry in the driver lookup table. 267 */ 268 269 struct aac_driver_ident* aac_get_driver_ident(int devtype) 270 { 271 return &aac_drivers[devtype]; 272 } 273 274 /** 275 * aac_biosparm - return BIOS parameters for disk 276 * @sdev: The scsi device corresponding to the disk 277 * @bdev: the block device corresponding to the disk 278 * @capacity: the sector capacity of the disk 279 * @geom: geometry block to fill in 280 * 281 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 282 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 283 * number of cylinders so as not to exceed drive capacity. In order for 284 * disks equal to or larger than 1 GB to be addressable by the BIOS 285 * without exceeding the BIOS limitation of 1024 cylinders, Extended 286 * Translation should be enabled. With Extended Translation enabled, 287 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 288 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 289 * are given a disk geometry of 255 heads and 63 sectors. However, if 290 * the BIOS detects that the Extended Translation setting does not match 291 * the geometry in the partition table, then the translation inferred 292 * from the partition table will be used by the BIOS, and a warning may 293 * be displayed. 294 */ 295 296 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 297 sector_t capacity, int *geom) 298 { 299 struct diskparm *param = (struct diskparm *)geom; 300 unsigned char *buf; 301 302 dprintk((KERN_DEBUG "aac_biosparm.\n")); 303 304 /* 305 * Assuming extended translation is enabled - #REVISIT# 306 */ 307 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 308 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 309 param->heads = 255; 310 param->sectors = 63; 311 } else { 312 param->heads = 128; 313 param->sectors = 32; 314 } 315 } else { 316 param->heads = 64; 317 param->sectors = 32; 318 } 319 320 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 321 322 /* 323 * Read the first 1024 bytes from the disk device, if the boot 324 * sector partition table is valid, search for a partition table 325 * entry whose end_head matches one of the standard geometry 326 * translations ( 64/32, 128/32, 255/63 ). 327 */ 328 buf = scsi_bios_ptable(bdev); 329 if (!buf) 330 return 0; 331 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 332 struct partition *first = (struct partition * )buf; 333 struct partition *entry = first; 334 int saved_cylinders = param->cylinders; 335 int num; 336 unsigned char end_head, end_sec; 337 338 for(num = 0; num < 4; num++) { 339 end_head = entry->end_head; 340 end_sec = entry->end_sector & 0x3f; 341 342 if(end_head == 63) { 343 param->heads = 64; 344 param->sectors = 32; 345 break; 346 } else if(end_head == 127) { 347 param->heads = 128; 348 param->sectors = 32; 349 break; 350 } else if(end_head == 254) { 351 param->heads = 255; 352 param->sectors = 63; 353 break; 354 } 355 entry++; 356 } 357 358 if (num == 4) { 359 end_head = first->end_head; 360 end_sec = first->end_sector & 0x3f; 361 } 362 363 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 364 if (num < 4 && end_sec == param->sectors) { 365 if (param->cylinders != saved_cylinders) 366 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 367 param->heads, param->sectors, num)); 368 } else if (end_head > 0 || end_sec > 0) { 369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 370 end_head + 1, end_sec, num)); 371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 372 param->heads, param->sectors)); 373 } 374 } 375 kfree(buf); 376 return 0; 377 } 378 379 /** 380 * aac_slave_configure - compute queue depths 381 * @sdev: SCSI device we are considering 382 * 383 * Selects queue depths for each target device based on the host adapter's 384 * total capacity and the queue depth supported by the target device. 385 * A queue depth of one automatically disables tagged queueing. 386 */ 387 388 static int aac_slave_configure(struct scsi_device *sdev) 389 { 390 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 391 int chn, tid; 392 unsigned int depth = 0; 393 unsigned int set_timeout = 0; 394 bool set_qd_dev_type = false; 395 u8 devtype = 0; 396 397 chn = aac_logical_to_phys(sdev_channel(sdev)); 398 tid = sdev_id(sdev); 399 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) { 400 devtype = aac->hba_map[chn][tid].devtype; 401 402 if (devtype == AAC_DEVTYPE_NATIVE_RAW) { 403 depth = aac->hba_map[chn][tid].qd_limit; 404 set_timeout = 1; 405 goto common_config; 406 } 407 if (devtype == AAC_DEVTYPE_ARC_RAW) { 408 set_qd_dev_type = true; 409 set_timeout = 1; 410 goto common_config; 411 } 412 } 413 414 if (aac->jbod && (sdev->type == TYPE_DISK)) 415 sdev->removable = 1; 416 417 if (sdev->type == TYPE_DISK 418 && sdev_channel(sdev) != CONTAINER_CHANNEL 419 && (!aac->jbod || sdev->inq_periph_qual) 420 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 421 422 if (expose_physicals == 0) 423 return -ENXIO; 424 425 if (expose_physicals < 0) 426 sdev->no_uld_attach = 1; 427 } 428 429 if (sdev->tagged_supported 430 && sdev->type == TYPE_DISK 431 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 432 && !sdev->no_uld_attach) { 433 434 struct scsi_device * dev; 435 struct Scsi_Host *host = sdev->host; 436 unsigned num_lsu = 0; 437 unsigned num_one = 0; 438 unsigned cid; 439 440 set_timeout = 1; 441 442 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 443 if (aac->fsa_dev[cid].valid) 444 ++num_lsu; 445 446 __shost_for_each_device(dev, host) { 447 if (dev->tagged_supported 448 && dev->type == TYPE_DISK 449 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 450 && !dev->no_uld_attach) { 451 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 452 || !aac->fsa_dev[sdev_id(dev)].valid) { 453 ++num_lsu; 454 } 455 } else { 456 ++num_one; 457 } 458 } 459 460 if (num_lsu == 0) 461 ++num_lsu; 462 463 depth = (host->can_queue - num_one) / num_lsu; 464 465 if (sdev_channel(sdev) != NATIVE_CHANNEL) 466 goto common_config; 467 468 set_qd_dev_type = true; 469 470 } 471 472 common_config: 473 474 /* 475 * Check if SATA drive 476 */ 477 if (set_qd_dev_type) { 478 if (strncmp(sdev->vendor, "ATA", 3) == 0) 479 depth = 32; 480 else 481 depth = 64; 482 } 483 484 /* 485 * Firmware has an individual device recovery time typically 486 * of 35 seconds, give us a margin. 487 */ 488 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ)) 489 blk_queue_rq_timeout(sdev->request_queue, 45*HZ); 490 491 if (depth > 256) 492 depth = 256; 493 else if (depth < 1) 494 depth = 1; 495 496 scsi_change_queue_depth(sdev, depth); 497 498 sdev->tagged_supported = 1; 499 500 return 0; 501 } 502 503 /** 504 * aac_change_queue_depth - alter queue depths 505 * @sdev: SCSI device we are considering 506 * @depth: desired queue depth 507 * 508 * Alters queue depths for target device based on the host adapter's 509 * total capacity and the queue depth supported by the target device. 510 */ 511 512 static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 513 { 514 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 515 int chn, tid, is_native_device = 0; 516 517 chn = aac_logical_to_phys(sdev_channel(sdev)); 518 tid = sdev_id(sdev); 519 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && 520 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) 521 is_native_device = 1; 522 523 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 524 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 525 struct scsi_device * dev; 526 struct Scsi_Host *host = sdev->host; 527 unsigned num = 0; 528 529 __shost_for_each_device(dev, host) { 530 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 531 (sdev_channel(dev) == CONTAINER_CHANNEL)) 532 ++num; 533 ++num; 534 } 535 if (num >= host->can_queue) 536 num = host->can_queue - 1; 537 if (depth > (host->can_queue - num)) 538 depth = host->can_queue - num; 539 if (depth > 256) 540 depth = 256; 541 else if (depth < 2) 542 depth = 2; 543 return scsi_change_queue_depth(sdev, depth); 544 } else if (is_native_device) { 545 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit); 546 } else { 547 scsi_change_queue_depth(sdev, 1); 548 } 549 return sdev->queue_depth; 550 } 551 552 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 553 { 554 struct scsi_device *sdev = to_scsi_device(dev); 555 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 556 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 557 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 558 ? "Hidden\n" : 559 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 560 return snprintf(buf, PAGE_SIZE, "%s\n", 561 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 562 } 563 564 static struct device_attribute aac_raid_level_attr = { 565 .attr = { 566 .name = "level", 567 .mode = S_IRUGO, 568 }, 569 .show = aac_show_raid_level 570 }; 571 572 static ssize_t aac_show_unique_id(struct device *dev, 573 struct device_attribute *attr, char *buf) 574 { 575 struct scsi_device *sdev = to_scsi_device(dev); 576 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 577 unsigned char sn[16]; 578 579 memset(sn, 0, sizeof(sn)); 580 581 if (sdev_channel(sdev) == CONTAINER_CHANNEL) 582 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn)); 583 584 return snprintf(buf, 16 * 2 + 2, 585 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n", 586 sn[0], sn[1], sn[2], sn[3], 587 sn[4], sn[5], sn[6], sn[7], 588 sn[8], sn[9], sn[10], sn[11], 589 sn[12], sn[13], sn[14], sn[15]); 590 } 591 592 static struct device_attribute aac_unique_id_attr = { 593 .attr = { 594 .name = "unique_id", 595 .mode = 0444, 596 }, 597 .show = aac_show_unique_id 598 }; 599 600 601 602 static struct device_attribute *aac_dev_attrs[] = { 603 &aac_raid_level_attr, 604 &aac_unique_id_attr, 605 NULL, 606 }; 607 608 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd, 609 void __user *arg) 610 { 611 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 612 if (!capable(CAP_SYS_RAWIO)) 613 return -EPERM; 614 return aac_do_ioctl(dev, cmd, arg); 615 } 616 617 static int get_num_of_incomplete_fibs(struct aac_dev *aac) 618 { 619 620 unsigned long flags; 621 struct scsi_device *sdev = NULL; 622 struct Scsi_Host *shost = aac->scsi_host_ptr; 623 struct scsi_cmnd *scmnd = NULL; 624 struct device *ctrl_dev; 625 626 int mlcnt = 0; 627 int llcnt = 0; 628 int ehcnt = 0; 629 int fwcnt = 0; 630 int krlcnt = 0; 631 632 __shost_for_each_device(sdev, shost) { 633 spin_lock_irqsave(&sdev->list_lock, flags); 634 list_for_each_entry(scmnd, &sdev->cmd_list, list) { 635 switch (scmnd->SCp.phase) { 636 case AAC_OWNER_FIRMWARE: 637 fwcnt++; 638 break; 639 case AAC_OWNER_ERROR_HANDLER: 640 ehcnt++; 641 break; 642 case AAC_OWNER_LOWLEVEL: 643 llcnt++; 644 break; 645 case AAC_OWNER_MIDLEVEL: 646 mlcnt++; 647 break; 648 default: 649 krlcnt++; 650 break; 651 } 652 } 653 spin_unlock_irqrestore(&sdev->list_lock, flags); 654 } 655 656 ctrl_dev = &aac->pdev->dev; 657 658 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt); 659 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt); 660 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt); 661 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt); 662 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt); 663 664 return mlcnt + llcnt + ehcnt + fwcnt; 665 } 666 667 static int aac_eh_abort(struct scsi_cmnd* cmd) 668 { 669 struct scsi_device * dev = cmd->device; 670 struct Scsi_Host * host = dev->host; 671 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 672 int count, found; 673 u32 bus, cid; 674 int ret = FAILED; 675 676 if (aac_adapter_check_health(aac)) 677 return ret; 678 679 bus = aac_logical_to_phys(scmd_channel(cmd)); 680 cid = scmd_id(cmd); 681 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { 682 struct fib *fib; 683 struct aac_hba_tm_req *tmf; 684 int status; 685 u64 address; 686 687 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n", 688 AAC_DRIVERNAME, 689 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun); 690 691 found = 0; 692 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 693 fib = &aac->fibs[count]; 694 if (*(u8 *)fib->hw_fib_va != 0 && 695 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) && 696 (fib->callback_data == cmd)) { 697 found = 1; 698 break; 699 } 700 } 701 if (!found) 702 return ret; 703 704 /* start a HBA_TMF_ABORT_TASK TMF request */ 705 fib = aac_fib_alloc(aac); 706 if (!fib) 707 return ret; 708 709 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 710 memset(tmf, 0, sizeof(*tmf)); 711 tmf->tmf = HBA_TMF_ABORT_TASK; 712 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; 713 tmf->lun[1] = cmd->device->lun; 714 715 address = (u64)fib->hw_error_pa; 716 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 717 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 718 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 719 720 fib->hbacmd_size = sizeof(*tmf); 721 cmd->SCp.sent_command = 0; 722 723 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib, 724 (fib_callback) aac_hba_callback, 725 (void *) cmd); 726 727 /* Wait up to 15 secs for completion */ 728 for (count = 0; count < 15; ++count) { 729 if (cmd->SCp.sent_command) { 730 ret = SUCCESS; 731 break; 732 } 733 msleep(1000); 734 } 735 736 if (ret != SUCCESS) 737 pr_err("%s: Host adapter abort request timed out\n", 738 AAC_DRIVERNAME); 739 } else { 740 pr_err( 741 "%s: Host adapter abort request.\n" 742 "%s: Outstanding commands on (%d,%d,%d,%d):\n", 743 AAC_DRIVERNAME, AAC_DRIVERNAME, 744 host->host_no, sdev_channel(dev), sdev_id(dev), 745 (int)dev->lun); 746 switch (cmd->cmnd[0]) { 747 case SERVICE_ACTION_IN_16: 748 if (!(aac->raw_io_interface) || 749 !(aac->raw_io_64) || 750 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 751 break; 752 /* fall through */ 753 case INQUIRY: 754 case READ_CAPACITY: 755 /* 756 * Mark associated FIB to not complete, 757 * eh handler does this 758 */ 759 for (count = 0; 760 count < (host->can_queue + AAC_NUM_MGT_FIB); 761 ++count) { 762 struct fib *fib = &aac->fibs[count]; 763 764 if (fib->hw_fib_va->header.XferState && 765 (fib->flags & FIB_CONTEXT_FLAG) && 766 (fib->callback_data == cmd)) { 767 fib->flags |= 768 FIB_CONTEXT_FLAG_TIMED_OUT; 769 cmd->SCp.phase = 770 AAC_OWNER_ERROR_HANDLER; 771 ret = SUCCESS; 772 } 773 } 774 break; 775 case TEST_UNIT_READY: 776 /* 777 * Mark associated FIB to not complete, 778 * eh handler does this 779 */ 780 for (count = 0; 781 count < (host->can_queue + AAC_NUM_MGT_FIB); 782 ++count) { 783 struct scsi_cmnd *command; 784 struct fib *fib = &aac->fibs[count]; 785 786 command = fib->callback_data; 787 788 if ((fib->hw_fib_va->header.XferState & 789 cpu_to_le32 790 (Async | NoResponseExpected)) && 791 (fib->flags & FIB_CONTEXT_FLAG) && 792 ((command)) && 793 (command->device == cmd->device)) { 794 fib->flags |= 795 FIB_CONTEXT_FLAG_TIMED_OUT; 796 command->SCp.phase = 797 AAC_OWNER_ERROR_HANDLER; 798 if (command == cmd) 799 ret = SUCCESS; 800 } 801 } 802 break; 803 } 804 } 805 return ret; 806 } 807 808 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info, 809 struct fib *fib, u64 tmf_lun) 810 { 811 struct aac_hba_tm_req *tmf; 812 u64 address; 813 814 /* start a HBA_TMF_LUN_RESET TMF request */ 815 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 816 memset(tmf, 0, sizeof(*tmf)); 817 tmf->tmf = HBA_TMF_LUN_RESET; 818 tmf->it_nexus = info->rmw_nexus; 819 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun); 820 821 address = (u64)fib->hw_error_pa; 822 tmf->error_ptr_hi = cpu_to_le32 823 ((u32)(address >> 32)); 824 tmf->error_ptr_lo = cpu_to_le32 825 ((u32)(address & 0xffffffff)); 826 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 827 fib->hbacmd_size = sizeof(*tmf); 828 829 return HBA_IU_TYPE_SCSI_TM_REQ; 830 } 831 832 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info, 833 struct fib *fib) 834 { 835 struct aac_hba_reset_req *rst; 836 u64 address; 837 838 /* already tried, start a hard reset now */ 839 rst = (struct aac_hba_reset_req *)fib->hw_fib_va; 840 memset(rst, 0, sizeof(*rst)); 841 rst->it_nexus = info->rmw_nexus; 842 843 address = (u64)fib->hw_error_pa; 844 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 845 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 846 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 847 fib->hbacmd_size = sizeof(*rst); 848 849 return HBA_IU_TYPE_SATA_REQ; 850 } 851 852 void aac_tmf_callback(void *context, struct fib *fibptr) 853 { 854 struct aac_hba_resp *err = 855 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err; 856 struct aac_hba_map_info *info = context; 857 int res; 858 859 switch (err->service_response) { 860 case HBA_RESP_SVCRES_TMF_REJECTED: 861 res = -1; 862 break; 863 case HBA_RESP_SVCRES_TMF_LUN_INVALID: 864 res = 0; 865 break; 866 case HBA_RESP_SVCRES_TMF_COMPLETE: 867 case HBA_RESP_SVCRES_TMF_SUCCEEDED: 868 res = 0; 869 break; 870 default: 871 res = -2; 872 break; 873 } 874 aac_fib_complete(fibptr); 875 876 info->reset_state = res; 877 } 878 879 /* 880 * aac_eh_dev_reset - Device reset command handling 881 * @scsi_cmd: SCSI command block causing the reset 882 * 883 */ 884 static int aac_eh_dev_reset(struct scsi_cmnd *cmd) 885 { 886 struct scsi_device * dev = cmd->device; 887 struct Scsi_Host * host = dev->host; 888 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 889 struct aac_hba_map_info *info; 890 int count; 891 u32 bus, cid; 892 struct fib *fib; 893 int ret = FAILED; 894 int status; 895 u8 command; 896 897 bus = aac_logical_to_phys(scmd_channel(cmd)); 898 cid = scmd_id(cmd); 899 900 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 901 return FAILED; 902 903 info = &aac->hba_map[bus][cid]; 904 905 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW && 906 info->reset_state > 0) 907 return FAILED; 908 909 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 910 AAC_DRIVERNAME); 911 912 fib = aac_fib_alloc(aac); 913 if (!fib) 914 return ret; 915 916 /* start a HBA_TMF_LUN_RESET TMF request */ 917 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun); 918 919 info->reset_state = 1; 920 921 status = aac_hba_send(command, fib, 922 (fib_callback) aac_tmf_callback, 923 (void *) info); 924 925 /* Wait up to 15 seconds for completion */ 926 for (count = 0; count < 15; ++count) { 927 if (info->reset_state == 0) { 928 ret = info->reset_state == 0 ? SUCCESS : FAILED; 929 break; 930 } 931 msleep(1000); 932 } 933 934 return ret; 935 } 936 937 /* 938 * aac_eh_target_reset - Target reset command handling 939 * @scsi_cmd: SCSI command block causing the reset 940 * 941 */ 942 static int aac_eh_target_reset(struct scsi_cmnd *cmd) 943 { 944 struct scsi_device * dev = cmd->device; 945 struct Scsi_Host * host = dev->host; 946 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 947 struct aac_hba_map_info *info; 948 int count; 949 u32 bus, cid; 950 int ret = FAILED; 951 struct fib *fib; 952 int status; 953 u8 command; 954 955 bus = aac_logical_to_phys(scmd_channel(cmd)); 956 cid = scmd_id(cmd); 957 958 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 959 return FAILED; 960 961 info = &aac->hba_map[bus][cid]; 962 963 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW && 964 info->reset_state > 0) 965 return FAILED; 966 967 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 968 AAC_DRIVERNAME); 969 970 fib = aac_fib_alloc(aac); 971 if (!fib) 972 return ret; 973 974 975 /* already tried, start a hard reset now */ 976 command = aac_eh_tmf_hard_reset_fib(info, fib); 977 978 info->reset_state = 2; 979 980 status = aac_hba_send(command, fib, 981 (fib_callback) aac_tmf_callback, 982 (void *) info); 983 984 /* Wait up to 15 seconds for completion */ 985 for (count = 0; count < 15; ++count) { 986 if (info->reset_state <= 0) { 987 ret = info->reset_state == 0 ? SUCCESS : FAILED; 988 break; 989 } 990 msleep(1000); 991 } 992 993 return ret; 994 } 995 996 /* 997 * aac_eh_bus_reset - Bus reset command handling 998 * @scsi_cmd: SCSI command block causing the reset 999 * 1000 */ 1001 static int aac_eh_bus_reset(struct scsi_cmnd* cmd) 1002 { 1003 struct scsi_device * dev = cmd->device; 1004 struct Scsi_Host * host = dev->host; 1005 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1006 int count; 1007 u32 cmd_bus; 1008 int status = 0; 1009 1010 1011 cmd_bus = aac_logical_to_phys(scmd_channel(cmd)); 1012 /* Mark the assoc. FIB to not complete, eh handler does this */ 1013 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 1014 struct fib *fib = &aac->fibs[count]; 1015 1016 if (fib->hw_fib_va->header.XferState && 1017 (fib->flags & FIB_CONTEXT_FLAG) && 1018 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) { 1019 struct aac_hba_map_info *info; 1020 u32 bus, cid; 1021 1022 cmd = (struct scsi_cmnd *)fib->callback_data; 1023 bus = aac_logical_to_phys(scmd_channel(cmd)); 1024 if (bus != cmd_bus) 1025 continue; 1026 cid = scmd_id(cmd); 1027 info = &aac->hba_map[bus][cid]; 1028 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || 1029 info->devtype != AAC_DEVTYPE_NATIVE_RAW) { 1030 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET; 1031 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 1032 } 1033 } 1034 } 1035 1036 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); 1037 1038 /* 1039 * Check the health of the controller 1040 */ 1041 status = aac_adapter_check_health(aac); 1042 if (status) 1043 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status); 1044 1045 count = get_num_of_incomplete_fibs(aac); 1046 return (count == 0) ? SUCCESS : FAILED; 1047 } 1048 1049 /* 1050 * aac_eh_host_reset - Host reset command handling 1051 * @scsi_cmd: SCSI command block causing the reset 1052 * 1053 */ 1054 int aac_eh_host_reset(struct scsi_cmnd *cmd) 1055 { 1056 struct scsi_device * dev = cmd->device; 1057 struct Scsi_Host * host = dev->host; 1058 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1059 int ret = FAILED; 1060 __le32 supported_options2 = 0; 1061 bool is_mu_reset; 1062 bool is_ignore_reset; 1063 bool is_doorbell_reset; 1064 1065 /* 1066 * Check if reset is supported by the firmware 1067 */ 1068 supported_options2 = aac->supplement_adapter_info.supported_options2; 1069 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET; 1070 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET; 1071 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET; 1072 /* 1073 * This adapter needs a blind reset, only do so for 1074 * Adapters that support a register, instead of a commanded, 1075 * reset. 1076 */ 1077 if ((is_mu_reset || is_doorbell_reset) 1078 && aac_check_reset 1079 && (aac_check_reset != -1 || !is_ignore_reset)) { 1080 /* Bypass wait for command quiesce */ 1081 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0) 1082 ret = SUCCESS; 1083 } 1084 /* 1085 * Reset EH state 1086 */ 1087 if (ret == SUCCESS) { 1088 int bus, cid; 1089 struct aac_hba_map_info *info; 1090 1091 for (bus = 0; bus < AAC_MAX_BUSES; bus++) { 1092 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) { 1093 info = &aac->hba_map[bus][cid]; 1094 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW) 1095 info->reset_state = 0; 1096 } 1097 } 1098 } 1099 return ret; 1100 } 1101 1102 /** 1103 * aac_cfg_open - open a configuration file 1104 * @inode: inode being opened 1105 * @file: file handle attached 1106 * 1107 * Called when the configuration device is opened. Does the needed 1108 * set up on the handle and then returns 1109 * 1110 * Bugs: This needs extending to check a given adapter is present 1111 * so we can support hot plugging, and to ref count adapters. 1112 */ 1113 1114 static int aac_cfg_open(struct inode *inode, struct file *file) 1115 { 1116 struct aac_dev *aac; 1117 unsigned minor_number = iminor(inode); 1118 int err = -ENODEV; 1119 1120 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 1121 list_for_each_entry(aac, &aac_devices, entry) { 1122 if (aac->id == minor_number) { 1123 file->private_data = aac; 1124 err = 0; 1125 break; 1126 } 1127 } 1128 mutex_unlock(&aac_mutex); 1129 1130 return err; 1131 } 1132 1133 /** 1134 * aac_cfg_ioctl - AAC configuration request 1135 * @inode: inode of device 1136 * @file: file handle 1137 * @cmd: ioctl command code 1138 * @arg: argument 1139 * 1140 * Handles a configuration ioctl. Currently this involves wrapping it 1141 * up and feeding it into the nasty windowsalike glue layer. 1142 * 1143 * Bugs: Needs locking against parallel ioctls lower down 1144 * Bugs: Needs to handle hot plugging 1145 */ 1146 1147 static long aac_cfg_ioctl(struct file *file, 1148 unsigned int cmd, unsigned long arg) 1149 { 1150 struct aac_dev *aac = (struct aac_dev *)file->private_data; 1151 1152 if (!capable(CAP_SYS_RAWIO)) 1153 return -EPERM; 1154 1155 return aac_do_ioctl(aac, cmd, (void __user *)arg); 1156 } 1157 1158 #ifdef CONFIG_COMPAT 1159 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 1160 { 1161 long ret; 1162 switch (cmd) { 1163 case FSACTL_MINIPORT_REV_CHECK: 1164 case FSACTL_SENDFIB: 1165 case FSACTL_OPEN_GET_ADAPTER_FIB: 1166 case FSACTL_CLOSE_GET_ADAPTER_FIB: 1167 case FSACTL_SEND_RAW_SRB: 1168 case FSACTL_GET_PCI_INFO: 1169 case FSACTL_QUERY_DISK: 1170 case FSACTL_DELETE_DISK: 1171 case FSACTL_FORCE_DELETE_DISK: 1172 case FSACTL_GET_CONTAINERS: 1173 case FSACTL_SEND_LARGE_FIB: 1174 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 1175 break; 1176 1177 case FSACTL_GET_NEXT_ADAPTER_FIB: { 1178 struct fib_ioctl __user *f; 1179 1180 f = compat_alloc_user_space(sizeof(*f)); 1181 ret = 0; 1182 if (clear_user(f, sizeof(*f))) 1183 ret = -EFAULT; 1184 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 1185 ret = -EFAULT; 1186 if (!ret) 1187 ret = aac_do_ioctl(dev, cmd, f); 1188 break; 1189 } 1190 1191 default: 1192 ret = -ENOIOCTLCMD; 1193 break; 1194 } 1195 return ret; 1196 } 1197 1198 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd, 1199 void __user *arg) 1200 { 1201 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 1202 if (!capable(CAP_SYS_RAWIO)) 1203 return -EPERM; 1204 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 1205 } 1206 1207 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 1208 { 1209 if (!capable(CAP_SYS_RAWIO)) 1210 return -EPERM; 1211 return aac_compat_do_ioctl(file->private_data, cmd, arg); 1212 } 1213 #endif 1214 1215 static ssize_t aac_show_model(struct device *device, 1216 struct device_attribute *attr, char *buf) 1217 { 1218 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1219 int len; 1220 1221 if (dev->supplement_adapter_info.adapter_type_text[0]) { 1222 char *cp = dev->supplement_adapter_info.adapter_type_text; 1223 while (*cp && *cp != ' ') 1224 ++cp; 1225 while (*cp == ' ') 1226 ++cp; 1227 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 1228 } else 1229 len = snprintf(buf, PAGE_SIZE, "%s\n", 1230 aac_drivers[dev->cardtype].model); 1231 return len; 1232 } 1233 1234 static ssize_t aac_show_vendor(struct device *device, 1235 struct device_attribute *attr, char *buf) 1236 { 1237 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1238 struct aac_supplement_adapter_info *sup_adap_info; 1239 int len; 1240 1241 sup_adap_info = &dev->supplement_adapter_info; 1242 if (sup_adap_info->adapter_type_text[0]) { 1243 char *cp = sup_adap_info->adapter_type_text; 1244 while (*cp && *cp != ' ') 1245 ++cp; 1246 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 1247 (int)(cp - (char *)sup_adap_info->adapter_type_text), 1248 sup_adap_info->adapter_type_text); 1249 } else 1250 len = snprintf(buf, PAGE_SIZE, "%s\n", 1251 aac_drivers[dev->cardtype].vname); 1252 return len; 1253 } 1254 1255 static ssize_t aac_show_flags(struct device *cdev, 1256 struct device_attribute *attr, char *buf) 1257 { 1258 int len = 0; 1259 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 1260 1261 if (nblank(dprintk(x))) 1262 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 1263 #ifdef AAC_DETAILED_STATUS_INFO 1264 len += snprintf(buf + len, PAGE_SIZE - len, 1265 "AAC_DETAILED_STATUS_INFO\n"); 1266 #endif 1267 if (dev->raw_io_interface && dev->raw_io_64) 1268 len += snprintf(buf + len, PAGE_SIZE - len, 1269 "SAI_READ_CAPACITY_16\n"); 1270 if (dev->jbod) 1271 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 1272 if (dev->supplement_adapter_info.supported_options2 & 1273 AAC_OPTION_POWER_MANAGEMENT) 1274 len += snprintf(buf + len, PAGE_SIZE - len, 1275 "SUPPORTED_POWER_MANAGEMENT\n"); 1276 if (dev->msi) 1277 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 1278 return len; 1279 } 1280 1281 static ssize_t aac_show_kernel_version(struct device *device, 1282 struct device_attribute *attr, 1283 char *buf) 1284 { 1285 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1286 int len, tmp; 1287 1288 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 1289 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1290 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1291 le32_to_cpu(dev->adapter_info.kernelbuild)); 1292 return len; 1293 } 1294 1295 static ssize_t aac_show_monitor_version(struct device *device, 1296 struct device_attribute *attr, 1297 char *buf) 1298 { 1299 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1300 int len, tmp; 1301 1302 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 1303 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1304 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1305 le32_to_cpu(dev->adapter_info.monitorbuild)); 1306 return len; 1307 } 1308 1309 static ssize_t aac_show_bios_version(struct device *device, 1310 struct device_attribute *attr, 1311 char *buf) 1312 { 1313 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1314 int len, tmp; 1315 1316 tmp = le32_to_cpu(dev->adapter_info.biosrev); 1317 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1318 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1319 le32_to_cpu(dev->adapter_info.biosbuild)); 1320 return len; 1321 } 1322 1323 static ssize_t aac_show_driver_version(struct device *device, 1324 struct device_attribute *attr, 1325 char *buf) 1326 { 1327 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version); 1328 } 1329 1330 static ssize_t aac_show_serial_number(struct device *device, 1331 struct device_attribute *attr, char *buf) 1332 { 1333 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1334 int len = 0; 1335 1336 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 1337 len = snprintf(buf, 16, "%06X\n", 1338 le32_to_cpu(dev->adapter_info.serial[0])); 1339 if (len && 1340 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[ 1341 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len], 1342 buf, len-1)) 1343 len = snprintf(buf, 16, "%.*s\n", 1344 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no), 1345 dev->supplement_adapter_info.mfg_pcba_serial_no); 1346 1347 return min(len, 16); 1348 } 1349 1350 static ssize_t aac_show_max_channel(struct device *device, 1351 struct device_attribute *attr, char *buf) 1352 { 1353 return snprintf(buf, PAGE_SIZE, "%d\n", 1354 class_to_shost(device)->max_channel); 1355 } 1356 1357 static ssize_t aac_show_max_id(struct device *device, 1358 struct device_attribute *attr, char *buf) 1359 { 1360 return snprintf(buf, PAGE_SIZE, "%d\n", 1361 class_to_shost(device)->max_id); 1362 } 1363 1364 static ssize_t aac_store_reset_adapter(struct device *device, 1365 struct device_attribute *attr, 1366 const char *buf, size_t count) 1367 { 1368 int retval = -EACCES; 1369 1370 if (!capable(CAP_SYS_ADMIN)) 1371 return retval; 1372 1373 retval = aac_reset_adapter(shost_priv(class_to_shost(device)), 1374 buf[0] == '!', IOP_HWSOFT_RESET); 1375 if (retval >= 0) 1376 retval = count; 1377 1378 return retval; 1379 } 1380 1381 static ssize_t aac_show_reset_adapter(struct device *device, 1382 struct device_attribute *attr, 1383 char *buf) 1384 { 1385 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1386 int len, tmp; 1387 1388 tmp = aac_adapter_check_health(dev); 1389 if ((tmp == 0) && dev->in_reset) 1390 tmp = -EBUSY; 1391 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 1392 return len; 1393 } 1394 1395 static struct device_attribute aac_model = { 1396 .attr = { 1397 .name = "model", 1398 .mode = S_IRUGO, 1399 }, 1400 .show = aac_show_model, 1401 }; 1402 static struct device_attribute aac_vendor = { 1403 .attr = { 1404 .name = "vendor", 1405 .mode = S_IRUGO, 1406 }, 1407 .show = aac_show_vendor, 1408 }; 1409 static struct device_attribute aac_flags = { 1410 .attr = { 1411 .name = "flags", 1412 .mode = S_IRUGO, 1413 }, 1414 .show = aac_show_flags, 1415 }; 1416 static struct device_attribute aac_kernel_version = { 1417 .attr = { 1418 .name = "hba_kernel_version", 1419 .mode = S_IRUGO, 1420 }, 1421 .show = aac_show_kernel_version, 1422 }; 1423 static struct device_attribute aac_monitor_version = { 1424 .attr = { 1425 .name = "hba_monitor_version", 1426 .mode = S_IRUGO, 1427 }, 1428 .show = aac_show_monitor_version, 1429 }; 1430 static struct device_attribute aac_bios_version = { 1431 .attr = { 1432 .name = "hba_bios_version", 1433 .mode = S_IRUGO, 1434 }, 1435 .show = aac_show_bios_version, 1436 }; 1437 static struct device_attribute aac_lld_version = { 1438 .attr = { 1439 .name = "driver_version", 1440 .mode = 0444, 1441 }, 1442 .show = aac_show_driver_version, 1443 }; 1444 static struct device_attribute aac_serial_number = { 1445 .attr = { 1446 .name = "serial_number", 1447 .mode = S_IRUGO, 1448 }, 1449 .show = aac_show_serial_number, 1450 }; 1451 static struct device_attribute aac_max_channel = { 1452 .attr = { 1453 .name = "max_channel", 1454 .mode = S_IRUGO, 1455 }, 1456 .show = aac_show_max_channel, 1457 }; 1458 static struct device_attribute aac_max_id = { 1459 .attr = { 1460 .name = "max_id", 1461 .mode = S_IRUGO, 1462 }, 1463 .show = aac_show_max_id, 1464 }; 1465 static struct device_attribute aac_reset = { 1466 .attr = { 1467 .name = "reset_host", 1468 .mode = S_IWUSR|S_IRUGO, 1469 }, 1470 .store = aac_store_reset_adapter, 1471 .show = aac_show_reset_adapter, 1472 }; 1473 1474 static struct device_attribute *aac_attrs[] = { 1475 &aac_model, 1476 &aac_vendor, 1477 &aac_flags, 1478 &aac_kernel_version, 1479 &aac_monitor_version, 1480 &aac_bios_version, 1481 &aac_lld_version, 1482 &aac_serial_number, 1483 &aac_max_channel, 1484 &aac_max_id, 1485 &aac_reset, 1486 NULL 1487 }; 1488 1489 ssize_t aac_get_serial_number(struct device *device, char *buf) 1490 { 1491 return aac_show_serial_number(device, &aac_serial_number, buf); 1492 } 1493 1494 static const struct file_operations aac_cfg_fops = { 1495 .owner = THIS_MODULE, 1496 .unlocked_ioctl = aac_cfg_ioctl, 1497 #ifdef CONFIG_COMPAT 1498 .compat_ioctl = aac_compat_cfg_ioctl, 1499 #endif 1500 .open = aac_cfg_open, 1501 .llseek = noop_llseek, 1502 }; 1503 1504 static struct scsi_host_template aac_driver_template = { 1505 .module = THIS_MODULE, 1506 .name = "AAC", 1507 .proc_name = AAC_DRIVERNAME, 1508 .info = aac_info, 1509 .ioctl = aac_ioctl, 1510 #ifdef CONFIG_COMPAT 1511 .compat_ioctl = aac_compat_ioctl, 1512 #endif 1513 .queuecommand = aac_queuecommand, 1514 .bios_param = aac_biosparm, 1515 .shost_attrs = aac_attrs, 1516 .slave_configure = aac_slave_configure, 1517 .change_queue_depth = aac_change_queue_depth, 1518 .sdev_attrs = aac_dev_attrs, 1519 .eh_abort_handler = aac_eh_abort, 1520 .eh_device_reset_handler = aac_eh_dev_reset, 1521 .eh_target_reset_handler = aac_eh_target_reset, 1522 .eh_bus_reset_handler = aac_eh_bus_reset, 1523 .eh_host_reset_handler = aac_eh_host_reset, 1524 .can_queue = AAC_NUM_IO_FIB, 1525 .this_id = MAXIMUM_NUM_CONTAINERS, 1526 .sg_tablesize = 16, 1527 .max_sectors = 128, 1528 #if (AAC_NUM_IO_FIB > 256) 1529 .cmd_per_lun = 256, 1530 #else 1531 .cmd_per_lun = AAC_NUM_IO_FIB, 1532 #endif 1533 .emulated = 1, 1534 .no_write_same = 1, 1535 }; 1536 1537 static void __aac_shutdown(struct aac_dev * aac) 1538 { 1539 int i; 1540 1541 mutex_lock(&aac->ioctl_mutex); 1542 aac->adapter_shutdown = 1; 1543 mutex_unlock(&aac->ioctl_mutex); 1544 1545 if (aac->aif_thread) { 1546 int i; 1547 /* Clear out events first */ 1548 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { 1549 struct fib *fib = &aac->fibs[i]; 1550 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && 1551 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) 1552 complete(&fib->event_wait); 1553 } 1554 kthread_stop(aac->thread); 1555 aac->thread = NULL; 1556 } 1557 1558 aac_send_shutdown(aac); 1559 1560 aac_adapter_disable_int(aac); 1561 1562 if (aac_is_src(aac)) { 1563 if (aac->max_msix > 1) { 1564 for (i = 0; i < aac->max_msix; i++) { 1565 free_irq(pci_irq_vector(aac->pdev, i), 1566 &(aac->aac_msix[i])); 1567 } 1568 } else { 1569 free_irq(aac->pdev->irq, 1570 &(aac->aac_msix[0])); 1571 } 1572 } else { 1573 free_irq(aac->pdev->irq, aac); 1574 } 1575 if (aac->msi) 1576 pci_disable_msi(aac->pdev); 1577 else if (aac->max_msix > 1) 1578 pci_disable_msix(aac->pdev); 1579 } 1580 static void aac_init_char(void) 1581 { 1582 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); 1583 if (aac_cfg_major < 0) { 1584 pr_err("aacraid: unable to register \"aac\" device.\n"); 1585 } 1586 } 1587 1588 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 1589 { 1590 unsigned index = id->driver_data; 1591 struct Scsi_Host *shost; 1592 struct aac_dev *aac; 1593 struct list_head *insert = &aac_devices; 1594 int error = -ENODEV; 1595 int unique_id = 0; 1596 u64 dmamask; 1597 int mask_bits = 0; 1598 extern int aac_sync_mode; 1599 1600 /* 1601 * Only series 7 needs freset. 1602 */ 1603 if (pdev->device == PMC_DEVICE_S7) 1604 pdev->needs_freset = 1; 1605 1606 list_for_each_entry(aac, &aac_devices, entry) { 1607 if (aac->id > unique_id) 1608 break; 1609 insert = &aac->entry; 1610 unique_id++; 1611 } 1612 1613 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | 1614 PCIE_LINK_STATE_CLKPM); 1615 1616 error = pci_enable_device(pdev); 1617 if (error) 1618 goto out; 1619 error = -ENODEV; 1620 1621 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) { 1622 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 1623 if (error) { 1624 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed"); 1625 goto out_disable_pdev; 1626 } 1627 } 1628 1629 /* 1630 * If the quirk31 bit is set, the adapter needs adapter 1631 * to driver communication memory to be allocated below 2gig 1632 */ 1633 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) { 1634 dmamask = DMA_BIT_MASK(31); 1635 mask_bits = 31; 1636 } else { 1637 dmamask = DMA_BIT_MASK(32); 1638 mask_bits = 32; 1639 } 1640 1641 error = pci_set_consistent_dma_mask(pdev, dmamask); 1642 if (error) { 1643 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n" 1644 , mask_bits); 1645 goto out_disable_pdev; 1646 } 1647 1648 pci_set_master(pdev); 1649 1650 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1651 if (!shost) 1652 goto out_disable_pdev; 1653 1654 shost->irq = pdev->irq; 1655 shost->unique_id = unique_id; 1656 shost->max_cmd_len = 16; 1657 shost->use_cmd_list = 1; 1658 1659 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) 1660 aac_init_char(); 1661 1662 aac = (struct aac_dev *)shost->hostdata; 1663 aac->base_start = pci_resource_start(pdev, 0); 1664 aac->scsi_host_ptr = shost; 1665 aac->pdev = pdev; 1666 aac->name = aac_driver_template.name; 1667 aac->id = shost->unique_id; 1668 aac->cardtype = index; 1669 INIT_LIST_HEAD(&aac->entry); 1670 1671 if (aac_reset_devices || reset_devices) 1672 aac->init_reset = true; 1673 1674 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB, 1675 sizeof(struct fib), 1676 GFP_KERNEL); 1677 if (!aac->fibs) 1678 goto out_free_host; 1679 spin_lock_init(&aac->fib_lock); 1680 1681 mutex_init(&aac->ioctl_mutex); 1682 mutex_init(&aac->scan_mutex); 1683 1684 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker); 1685 /* 1686 * Map in the registers from the adapter. 1687 */ 1688 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1689 if ((*aac_drivers[index].init)(aac)) { 1690 error = -ENODEV; 1691 goto out_unmap; 1692 } 1693 1694 if (aac->sync_mode) { 1695 if (aac_sync_mode) 1696 printk(KERN_INFO "%s%d: Sync. mode enforced " 1697 "by driver parameter. This will cause " 1698 "a significant performance decrease!\n", 1699 aac->name, 1700 aac->id); 1701 else 1702 printk(KERN_INFO "%s%d: Async. mode not supported " 1703 "by current driver, sync. mode enforced." 1704 "\nPlease update driver to get full performance.\n", 1705 aac->name, 1706 aac->id); 1707 } 1708 1709 /* 1710 * Start any kernel threads needed 1711 */ 1712 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1713 if (IS_ERR(aac->thread)) { 1714 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1715 error = PTR_ERR(aac->thread); 1716 aac->thread = NULL; 1717 goto out_deinit; 1718 } 1719 1720 aac->maximum_num_channels = aac_drivers[index].channels; 1721 error = aac_get_adapter_info(aac); 1722 if (error < 0) 1723 goto out_deinit; 1724 1725 /* 1726 * Lets override negotiations and drop the maximum SG limit to 34 1727 */ 1728 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1729 (shost->sg_tablesize > 34)) { 1730 shost->sg_tablesize = 34; 1731 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1732 } 1733 1734 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1735 (shost->sg_tablesize > 17)) { 1736 shost->sg_tablesize = 17; 1737 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1738 } 1739 1740 if (aac->adapter_info.options & AAC_OPT_NEW_COMM) 1741 shost->max_segment_size = shost->max_sectors << 9; 1742 else 1743 shost->max_segment_size = 65536; 1744 1745 /* 1746 * Firmware printf works only with older firmware. 1747 */ 1748 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1749 aac->printf_enabled = 1; 1750 else 1751 aac->printf_enabled = 0; 1752 1753 /* 1754 * max channel will be the physical channels plus 1 virtual channel 1755 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1756 * physical channels are address by their actual physical number+1 1757 */ 1758 if (aac->nondasd_support || expose_physicals || aac->jbod) 1759 shost->max_channel = aac->maximum_num_channels; 1760 else 1761 shost->max_channel = 0; 1762 1763 aac_get_config_status(aac, 0); 1764 aac_get_containers(aac); 1765 list_add(&aac->entry, insert); 1766 1767 shost->max_id = aac->maximum_num_containers; 1768 if (shost->max_id < aac->maximum_num_physicals) 1769 shost->max_id = aac->maximum_num_physicals; 1770 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1771 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1772 else 1773 shost->this_id = shost->max_id; 1774 1775 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC) 1776 aac_intr_normal(aac, 0, 2, 0, NULL); 1777 1778 /* 1779 * dmb - we may need to move the setting of these parms somewhere else once 1780 * we get a fib that can report the actual numbers 1781 */ 1782 shost->max_lun = AAC_MAX_LUN; 1783 1784 pci_set_drvdata(pdev, shost); 1785 1786 error = scsi_add_host(shost, &pdev->dev); 1787 if (error) 1788 goto out_deinit; 1789 1790 aac_scan_host(aac); 1791 1792 pci_enable_pcie_error_reporting(pdev); 1793 pci_save_state(pdev); 1794 1795 return 0; 1796 1797 out_deinit: 1798 __aac_shutdown(aac); 1799 out_unmap: 1800 aac_fib_map_free(aac); 1801 if (aac->comm_addr) 1802 dma_free_coherent(&aac->pdev->dev, aac->comm_size, 1803 aac->comm_addr, aac->comm_phys); 1804 kfree(aac->queues); 1805 aac_adapter_ioremap(aac, 0); 1806 kfree(aac->fibs); 1807 kfree(aac->fsa_dev); 1808 out_free_host: 1809 scsi_host_put(shost); 1810 out_disable_pdev: 1811 pci_disable_device(pdev); 1812 out: 1813 return error; 1814 } 1815 1816 static void aac_release_resources(struct aac_dev *aac) 1817 { 1818 aac_adapter_disable_int(aac); 1819 aac_free_irq(aac); 1820 } 1821 1822 static int aac_acquire_resources(struct aac_dev *dev) 1823 { 1824 unsigned long status; 1825 /* 1826 * First clear out all interrupts. Then enable the one's that we 1827 * can handle. 1828 */ 1829 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) 1830 || status == 0xffffffff) 1831 msleep(20); 1832 1833 aac_adapter_disable_int(dev); 1834 aac_adapter_enable_int(dev); 1835 1836 1837 if (aac_is_src(dev)) 1838 aac_define_int_mode(dev); 1839 1840 if (dev->msi_enabled) 1841 aac_src_access_devreg(dev, AAC_ENABLE_MSIX); 1842 1843 if (aac_acquire_irq(dev)) 1844 goto error_iounmap; 1845 1846 aac_adapter_enable_int(dev); 1847 1848 /*max msix may change after EEH 1849 * Re-assign vectors to fibs 1850 */ 1851 aac_fib_vector_assign(dev); 1852 1853 if (!dev->sync_mode) { 1854 /* After EEH recovery or suspend resume, max_msix count 1855 * may change, therefore updating in init as well. 1856 */ 1857 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix); 1858 aac_adapter_start(dev); 1859 } 1860 return 0; 1861 1862 error_iounmap: 1863 return -1; 1864 1865 } 1866 1867 #if (defined(CONFIG_PM)) 1868 static int aac_suspend(struct pci_dev *pdev, pm_message_t state) 1869 { 1870 1871 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1872 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1873 1874 scsi_block_requests(shost); 1875 aac_cancel_safw_rescan_worker(aac); 1876 aac_send_shutdown(aac); 1877 1878 aac_release_resources(aac); 1879 1880 pci_set_drvdata(pdev, shost); 1881 pci_save_state(pdev); 1882 pci_disable_device(pdev); 1883 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 1884 1885 return 0; 1886 } 1887 1888 static int aac_resume(struct pci_dev *pdev) 1889 { 1890 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1891 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1892 int r; 1893 1894 pci_set_power_state(pdev, PCI_D0); 1895 pci_enable_wake(pdev, PCI_D0, 0); 1896 pci_restore_state(pdev); 1897 r = pci_enable_device(pdev); 1898 1899 if (r) 1900 goto fail_device; 1901 1902 pci_set_master(pdev); 1903 if (aac_acquire_resources(aac)) 1904 goto fail_device; 1905 /* 1906 * reset this flag to unblock ioctl() as it was set at 1907 * aac_send_shutdown() to block ioctls from upperlayer 1908 */ 1909 aac->adapter_shutdown = 0; 1910 scsi_unblock_requests(shost); 1911 1912 return 0; 1913 1914 fail_device: 1915 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); 1916 scsi_host_put(shost); 1917 pci_disable_device(pdev); 1918 return -ENODEV; 1919 } 1920 #endif 1921 1922 static void aac_shutdown(struct pci_dev *dev) 1923 { 1924 struct Scsi_Host *shost = pci_get_drvdata(dev); 1925 scsi_block_requests(shost); 1926 __aac_shutdown((struct aac_dev *)shost->hostdata); 1927 } 1928 1929 static void aac_remove_one(struct pci_dev *pdev) 1930 { 1931 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1932 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1933 1934 aac_cancel_safw_rescan_worker(aac); 1935 scsi_remove_host(shost); 1936 1937 __aac_shutdown(aac); 1938 aac_fib_map_free(aac); 1939 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr, 1940 aac->comm_phys); 1941 kfree(aac->queues); 1942 1943 aac_adapter_ioremap(aac, 0); 1944 1945 kfree(aac->fibs); 1946 kfree(aac->fsa_dev); 1947 1948 list_del(&aac->entry); 1949 scsi_host_put(shost); 1950 pci_disable_device(pdev); 1951 if (list_empty(&aac_devices)) { 1952 unregister_chrdev(aac_cfg_major, "aac"); 1953 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; 1954 } 1955 } 1956 1957 static void aac_flush_ios(struct aac_dev *aac) 1958 { 1959 int i; 1960 struct scsi_cmnd *cmd; 1961 1962 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) { 1963 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data; 1964 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) { 1965 scsi_dma_unmap(cmd); 1966 1967 if (aac->handle_pci_error) 1968 cmd->result = DID_NO_CONNECT << 16; 1969 else 1970 cmd->result = DID_RESET << 16; 1971 1972 cmd->scsi_done(cmd); 1973 } 1974 } 1975 } 1976 1977 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, 1978 enum pci_channel_state error) 1979 { 1980 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1981 struct aac_dev *aac = shost_priv(shost); 1982 1983 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); 1984 1985 switch (error) { 1986 case pci_channel_io_normal: 1987 return PCI_ERS_RESULT_CAN_RECOVER; 1988 case pci_channel_io_frozen: 1989 aac->handle_pci_error = 1; 1990 1991 scsi_block_requests(aac->scsi_host_ptr); 1992 aac_cancel_safw_rescan_worker(aac); 1993 aac_flush_ios(aac); 1994 aac_release_resources(aac); 1995 1996 pci_disable_pcie_error_reporting(pdev); 1997 aac_adapter_ioremap(aac, 0); 1998 1999 return PCI_ERS_RESULT_NEED_RESET; 2000 case pci_channel_io_perm_failure: 2001 aac->handle_pci_error = 1; 2002 2003 aac_flush_ios(aac); 2004 return PCI_ERS_RESULT_DISCONNECT; 2005 } 2006 2007 return PCI_ERS_RESULT_NEED_RESET; 2008 } 2009 2010 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) 2011 { 2012 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); 2013 return PCI_ERS_RESULT_NEED_RESET; 2014 } 2015 2016 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) 2017 { 2018 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); 2019 pci_restore_state(pdev); 2020 if (pci_enable_device(pdev)) { 2021 dev_warn(&pdev->dev, 2022 "aacraid: failed to enable slave\n"); 2023 goto fail_device; 2024 } 2025 2026 pci_set_master(pdev); 2027 2028 if (pci_enable_device_mem(pdev)) { 2029 dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); 2030 goto fail_device; 2031 } 2032 2033 return PCI_ERS_RESULT_RECOVERED; 2034 2035 fail_device: 2036 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); 2037 return PCI_ERS_RESULT_DISCONNECT; 2038 } 2039 2040 2041 static void aac_pci_resume(struct pci_dev *pdev) 2042 { 2043 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2044 struct scsi_device *sdev = NULL; 2045 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); 2046 2047 if (aac_adapter_ioremap(aac, aac->base_size)) { 2048 2049 dev_err(&pdev->dev, "aacraid: ioremap failed\n"); 2050 /* remap failed, go back ... */ 2051 aac->comm_interface = AAC_COMM_PRODUCER; 2052 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { 2053 dev_warn(&pdev->dev, 2054 "aacraid: unable to map adapter.\n"); 2055 2056 return; 2057 } 2058 } 2059 2060 msleep(10000); 2061 2062 aac_acquire_resources(aac); 2063 2064 /* 2065 * reset this flag to unblock ioctl() as it was set 2066 * at aac_send_shutdown() to block ioctls from upperlayer 2067 */ 2068 aac->adapter_shutdown = 0; 2069 aac->handle_pci_error = 0; 2070 2071 shost_for_each_device(sdev, shost) 2072 if (sdev->sdev_state == SDEV_OFFLINE) 2073 sdev->sdev_state = SDEV_RUNNING; 2074 scsi_unblock_requests(aac->scsi_host_ptr); 2075 aac_scan_host(aac); 2076 pci_save_state(pdev); 2077 2078 dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); 2079 } 2080 2081 static struct pci_error_handlers aac_pci_err_handler = { 2082 .error_detected = aac_pci_error_detected, 2083 .mmio_enabled = aac_pci_mmio_enabled, 2084 .slot_reset = aac_pci_slot_reset, 2085 .resume = aac_pci_resume, 2086 }; 2087 2088 static struct pci_driver aac_pci_driver = { 2089 .name = AAC_DRIVERNAME, 2090 .id_table = aac_pci_tbl, 2091 .probe = aac_probe_one, 2092 .remove = aac_remove_one, 2093 #if (defined(CONFIG_PM)) 2094 .suspend = aac_suspend, 2095 .resume = aac_resume, 2096 #endif 2097 .shutdown = aac_shutdown, 2098 .err_handler = &aac_pci_err_handler, 2099 }; 2100 2101 static int __init aac_init(void) 2102 { 2103 int error; 2104 2105 printk(KERN_INFO "Adaptec %s driver %s\n", 2106 AAC_DRIVERNAME, aac_driver_version); 2107 2108 error = pci_register_driver(&aac_pci_driver); 2109 if (error < 0) 2110 return error; 2111 2112 aac_init_char(); 2113 2114 2115 return 0; 2116 } 2117 2118 static void __exit aac_exit(void) 2119 { 2120 if (aac_cfg_major > -1) 2121 unregister_chrdev(aac_cfg_major, "aac"); 2122 pci_unregister_driver(&aac_pci_driver); 2123 } 2124 2125 module_init(aac_init); 2126 module_exit(aac_exit); 2127