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