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