1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Adaptec AAC series RAID controller driver 4 * (c) Copyright 2001 Red Hat Inc. 5 * 6 * based on the old aacraid driver that is.. 7 * Adaptec aacraid device driver for Linux. 8 * 9 * Copyright (c) 2000-2010 Adaptec, Inc. 10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) 11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com) 12 * 13 * Module Name: 14 * linit.c 15 * 16 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 17 */ 18 19 20 #include <linux/compat.h> 21 #include <linux/blkdev.h> 22 #include <linux/completion.h> 23 #include <linux/init.h> 24 #include <linux/interrupt.h> 25 #include <linux/kernel.h> 26 #include <linux/module.h> 27 #include <linux/moduleparam.h> 28 #include <linux/pci.h> 29 #include <linux/aer.h> 30 #include <linux/slab.h> 31 #include <linux/mutex.h> 32 #include <linux/spinlock.h> 33 #include <linux/syscalls.h> 34 #include <linux/delay.h> 35 #include <linux/kthread.h> 36 37 #include <scsi/scsi.h> 38 #include <scsi/scsi_cmnd.h> 39 #include <scsi/scsi_device.h> 40 #include <scsi/scsi_host.h> 41 #include <scsi/scsi_tcq.h> 42 #include <scsi/scsicam.h> 43 #include <scsi/scsi_eh.h> 44 45 #include "aacraid.h" 46 47 #define AAC_DRIVER_VERSION "1.2.1" 48 #ifndef AAC_DRIVER_BRANCH 49 #define AAC_DRIVER_BRANCH "" 50 #endif 51 #define AAC_DRIVERNAME "aacraid" 52 53 #ifdef AAC_DRIVER_BUILD 54 #define _str(x) #x 55 #define str(x) _str(x) 56 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 57 #else 58 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH 59 #endif 60 61 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 62 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 63 "Adaptec Advanced Raid Products, " 64 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 65 MODULE_LICENSE("GPL"); 66 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 67 68 static DEFINE_MUTEX(aac_mutex); 69 static LIST_HEAD(aac_devices); 70 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; 71 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 72 73 /* 74 * Because of the way Linux names scsi devices, the order in this table has 75 * become important. Check for on-board Raid first, add-in cards second. 76 * 77 * Note: The last field is used to index into aac_drivers below. 78 */ 79 static const struct pci_device_id aac_pci_tbl[] = { 80 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 81 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 82 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 83 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 84 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 85 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 86 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 87 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 88 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 89 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 90 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 91 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 92 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 93 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 94 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 95 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 96 97 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 98 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 99 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 100 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 101 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 102 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 103 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 104 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 105 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 106 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 107 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 108 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 109 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 110 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 111 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 112 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 113 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 114 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 115 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 116 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 117 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 118 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 119 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 120 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 121 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 122 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 123 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 124 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 125 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 126 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 127 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 128 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 129 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 130 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 131 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 132 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 133 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 134 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 135 136 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 137 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 138 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 139 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 140 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 141 142 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 143 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 144 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 145 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 146 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 147 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ 148 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ 149 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ 150 { 0,} 151 }; 152 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 153 154 /* 155 * dmb - For now we add the number of channels to this structure. 156 * In the future we should add a fib that reports the number of channels 157 * for the card. At that time we can remove the channels from here 158 */ 159 static struct aac_driver_ident aac_drivers[] = { 160 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 169 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 170 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 171 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 174 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 175 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 176 177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 181 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 183 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 186 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 187 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 188 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 189 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 190 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 191 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 192 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 194 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 195 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 196 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 198 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 199 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 200 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 206 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 207 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 212 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 213 214 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 215 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 216 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 217 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 218 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 219 220 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 221 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 222 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 223 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 224 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ 225 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */ 226 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */ 227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */ 228 }; 229 230 /** 231 * aac_queuecommand - queue a SCSI command 232 * @cmd: SCSI command to queue 233 * @done: Function to call on command completion 234 * 235 * Queues a command for execution by the associated Host Adapter. 236 * 237 * TODO: unify with aac_scsi_cmd(). 238 */ 239 240 static int aac_queuecommand(struct Scsi_Host *shost, 241 struct scsi_cmnd *cmd) 242 { 243 int r = 0; 244 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 245 r = (aac_scsi_cmd(cmd) ? FAILED : 0); 246 return r; 247 } 248 249 /** 250 * aac_info - Returns the host adapter name 251 * @shost: Scsi host to report on 252 * 253 * Returns a static string describing the device in question 254 */ 255 256 static const char *aac_info(struct Scsi_Host *shost) 257 { 258 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 259 return aac_drivers[dev->cardtype].name; 260 } 261 262 /** 263 * aac_get_driver_ident 264 * @devtype: index into lookup table 265 * 266 * Returns a pointer to the entry in the driver lookup table. 267 */ 268 269 struct aac_driver_ident* aac_get_driver_ident(int devtype) 270 { 271 return &aac_drivers[devtype]; 272 } 273 274 /** 275 * aac_biosparm - return BIOS parameters for disk 276 * @sdev: The scsi device corresponding to the disk 277 * @bdev: the block device corresponding to the disk 278 * @capacity: the sector capacity of the disk 279 * @geom: geometry block to fill in 280 * 281 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 282 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 283 * number of cylinders so as not to exceed drive capacity. In order for 284 * disks equal to or larger than 1 GB to be addressable by the BIOS 285 * without exceeding the BIOS limitation of 1024 cylinders, Extended 286 * Translation should be enabled. With Extended Translation enabled, 287 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 288 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 289 * are given a disk geometry of 255 heads and 63 sectors. However, if 290 * the BIOS detects that the Extended Translation setting does not match 291 * the geometry in the partition table, then the translation inferred 292 * from the partition table will be used by the BIOS, and a warning may 293 * be displayed. 294 */ 295 296 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 297 sector_t capacity, int *geom) 298 { 299 struct diskparm *param = (struct diskparm *)geom; 300 unsigned char *buf; 301 302 dprintk((KERN_DEBUG "aac_biosparm.\n")); 303 304 /* 305 * Assuming extended translation is enabled - #REVISIT# 306 */ 307 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 308 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 309 param->heads = 255; 310 param->sectors = 63; 311 } else { 312 param->heads = 128; 313 param->sectors = 32; 314 } 315 } else { 316 param->heads = 64; 317 param->sectors = 32; 318 } 319 320 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 321 322 /* 323 * Read the first 1024 bytes from the disk device, if the boot 324 * sector partition table is valid, search for a partition table 325 * entry whose end_head matches one of the standard geometry 326 * translations ( 64/32, 128/32, 255/63 ). 327 */ 328 buf = scsi_bios_ptable(bdev); 329 if (!buf) 330 return 0; 331 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 332 struct partition *first = (struct partition * )buf; 333 struct partition *entry = first; 334 int saved_cylinders = param->cylinders; 335 int num; 336 unsigned char end_head, end_sec; 337 338 for(num = 0; num < 4; num++) { 339 end_head = entry->end_head; 340 end_sec = entry->end_sector & 0x3f; 341 342 if(end_head == 63) { 343 param->heads = 64; 344 param->sectors = 32; 345 break; 346 } else if(end_head == 127) { 347 param->heads = 128; 348 param->sectors = 32; 349 break; 350 } else if(end_head == 254) { 351 param->heads = 255; 352 param->sectors = 63; 353 break; 354 } 355 entry++; 356 } 357 358 if (num == 4) { 359 end_head = first->end_head; 360 end_sec = first->end_sector & 0x3f; 361 } 362 363 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 364 if (num < 4 && end_sec == param->sectors) { 365 if (param->cylinders != saved_cylinders) 366 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 367 param->heads, param->sectors, num)); 368 } else if (end_head > 0 || end_sec > 0) { 369 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 370 end_head + 1, end_sec, num)); 371 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 372 param->heads, param->sectors)); 373 } 374 } 375 kfree(buf); 376 return 0; 377 } 378 379 /** 380 * aac_slave_configure - compute queue depths 381 * @sdev: SCSI device we are considering 382 * 383 * Selects queue depths for each target device based on the host adapter's 384 * total capacity and the queue depth supported by the target device. 385 * A queue depth of one automatically disables tagged queueing. 386 */ 387 388 static int aac_slave_configure(struct scsi_device *sdev) 389 { 390 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 391 int chn, tid; 392 unsigned int depth = 0; 393 unsigned int set_timeout = 0; 394 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 device_attribute *aac_dev_attrs[] = { 607 &aac_raid_level_attr, 608 &aac_unique_id_attr, 609 NULL, 610 }; 611 612 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd, 613 void __user *arg) 614 { 615 int retval; 616 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 617 if (!capable(CAP_SYS_RAWIO)) 618 return -EPERM; 619 retval = aac_adapter_check_health(dev); 620 if (retval) 621 return -EBUSY; 622 return aac_do_ioctl(dev, cmd, arg); 623 } 624 625 static int get_num_of_incomplete_fibs(struct aac_dev *aac) 626 { 627 628 unsigned long flags; 629 struct scsi_device *sdev = NULL; 630 struct Scsi_Host *shost = aac->scsi_host_ptr; 631 struct scsi_cmnd *scmnd = NULL; 632 struct device *ctrl_dev; 633 634 int mlcnt = 0; 635 int llcnt = 0; 636 int ehcnt = 0; 637 int fwcnt = 0; 638 int krlcnt = 0; 639 640 __shost_for_each_device(sdev, shost) { 641 spin_lock_irqsave(&sdev->list_lock, flags); 642 list_for_each_entry(scmnd, &sdev->cmd_list, list) { 643 switch (scmnd->SCp.phase) { 644 case AAC_OWNER_FIRMWARE: 645 fwcnt++; 646 break; 647 case AAC_OWNER_ERROR_HANDLER: 648 ehcnt++; 649 break; 650 case AAC_OWNER_LOWLEVEL: 651 llcnt++; 652 break; 653 case AAC_OWNER_MIDLEVEL: 654 mlcnt++; 655 break; 656 default: 657 krlcnt++; 658 break; 659 } 660 } 661 spin_unlock_irqrestore(&sdev->list_lock, flags); 662 } 663 664 ctrl_dev = &aac->pdev->dev; 665 666 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt); 667 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt); 668 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt); 669 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt); 670 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt); 671 672 return mlcnt + llcnt + ehcnt + fwcnt; 673 } 674 675 static int aac_eh_abort(struct scsi_cmnd* cmd) 676 { 677 struct scsi_device * dev = cmd->device; 678 struct Scsi_Host * host = dev->host; 679 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 680 int count, found; 681 u32 bus, cid; 682 int ret = FAILED; 683 684 if (aac_adapter_check_health(aac)) 685 return ret; 686 687 bus = aac_logical_to_phys(scmd_channel(cmd)); 688 cid = scmd_id(cmd); 689 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { 690 struct fib *fib; 691 struct aac_hba_tm_req *tmf; 692 int status; 693 u64 address; 694 695 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n", 696 AAC_DRIVERNAME, 697 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun); 698 699 found = 0; 700 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 701 fib = &aac->fibs[count]; 702 if (*(u8 *)fib->hw_fib_va != 0 && 703 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) && 704 (fib->callback_data == cmd)) { 705 found = 1; 706 break; 707 } 708 } 709 if (!found) 710 return ret; 711 712 /* start a HBA_TMF_ABORT_TASK TMF request */ 713 fib = aac_fib_alloc(aac); 714 if (!fib) 715 return ret; 716 717 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 718 memset(tmf, 0, sizeof(*tmf)); 719 tmf->tmf = HBA_TMF_ABORT_TASK; 720 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; 721 tmf->lun[1] = cmd->device->lun; 722 723 address = (u64)fib->hw_error_pa; 724 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 725 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 726 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 727 728 fib->hbacmd_size = sizeof(*tmf); 729 cmd->SCp.sent_command = 0; 730 731 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib, 732 (fib_callback) aac_hba_callback, 733 (void *) cmd); 734 735 /* Wait up to 15 secs for completion */ 736 for (count = 0; count < 15; ++count) { 737 if (cmd->SCp.sent_command) { 738 ret = SUCCESS; 739 break; 740 } 741 msleep(1000); 742 } 743 744 if (ret != SUCCESS) 745 pr_err("%s: Host adapter abort request timed out\n", 746 AAC_DRIVERNAME); 747 } else { 748 pr_err( 749 "%s: Host adapter abort request.\n" 750 "%s: Outstanding commands on (%d,%d,%d,%d):\n", 751 AAC_DRIVERNAME, AAC_DRIVERNAME, 752 host->host_no, sdev_channel(dev), sdev_id(dev), 753 (int)dev->lun); 754 switch (cmd->cmnd[0]) { 755 case SERVICE_ACTION_IN_16: 756 if (!(aac->raw_io_interface) || 757 !(aac->raw_io_64) || 758 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 759 break; 760 /* fall through */ 761 case INQUIRY: 762 case READ_CAPACITY: 763 /* 764 * Mark associated FIB to not complete, 765 * eh handler does this 766 */ 767 for (count = 0; 768 count < (host->can_queue + AAC_NUM_MGT_FIB); 769 ++count) { 770 struct fib *fib = &aac->fibs[count]; 771 772 if (fib->hw_fib_va->header.XferState && 773 (fib->flags & FIB_CONTEXT_FLAG) && 774 (fib->callback_data == cmd)) { 775 fib->flags |= 776 FIB_CONTEXT_FLAG_TIMED_OUT; 777 cmd->SCp.phase = 778 AAC_OWNER_ERROR_HANDLER; 779 ret = SUCCESS; 780 } 781 } 782 break; 783 case TEST_UNIT_READY: 784 /* 785 * Mark associated FIB to not complete, 786 * eh handler does this 787 */ 788 for (count = 0; 789 count < (host->can_queue + AAC_NUM_MGT_FIB); 790 ++count) { 791 struct scsi_cmnd *command; 792 struct fib *fib = &aac->fibs[count]; 793 794 command = fib->callback_data; 795 796 if ((fib->hw_fib_va->header.XferState & 797 cpu_to_le32 798 (Async | NoResponseExpected)) && 799 (fib->flags & FIB_CONTEXT_FLAG) && 800 ((command)) && 801 (command->device == cmd->device)) { 802 fib->flags |= 803 FIB_CONTEXT_FLAG_TIMED_OUT; 804 command->SCp.phase = 805 AAC_OWNER_ERROR_HANDLER; 806 if (command == cmd) 807 ret = SUCCESS; 808 } 809 } 810 break; 811 } 812 } 813 return ret; 814 } 815 816 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info, 817 struct fib *fib, u64 tmf_lun) 818 { 819 struct aac_hba_tm_req *tmf; 820 u64 address; 821 822 /* start a HBA_TMF_LUN_RESET TMF request */ 823 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 824 memset(tmf, 0, sizeof(*tmf)); 825 tmf->tmf = HBA_TMF_LUN_RESET; 826 tmf->it_nexus = info->rmw_nexus; 827 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun); 828 829 address = (u64)fib->hw_error_pa; 830 tmf->error_ptr_hi = cpu_to_le32 831 ((u32)(address >> 32)); 832 tmf->error_ptr_lo = cpu_to_le32 833 ((u32)(address & 0xffffffff)); 834 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 835 fib->hbacmd_size = sizeof(*tmf); 836 837 return HBA_IU_TYPE_SCSI_TM_REQ; 838 } 839 840 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info, 841 struct fib *fib) 842 { 843 struct aac_hba_reset_req *rst; 844 u64 address; 845 846 /* already tried, start a hard reset now */ 847 rst = (struct aac_hba_reset_req *)fib->hw_fib_va; 848 memset(rst, 0, sizeof(*rst)); 849 rst->it_nexus = info->rmw_nexus; 850 851 address = (u64)fib->hw_error_pa; 852 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 853 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 854 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 855 fib->hbacmd_size = sizeof(*rst); 856 857 return HBA_IU_TYPE_SATA_REQ; 858 } 859 860 void aac_tmf_callback(void *context, struct fib *fibptr) 861 { 862 struct aac_hba_resp *err = 863 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err; 864 struct aac_hba_map_info *info = context; 865 int res; 866 867 switch (err->service_response) { 868 case HBA_RESP_SVCRES_TMF_REJECTED: 869 res = -1; 870 break; 871 case HBA_RESP_SVCRES_TMF_LUN_INVALID: 872 res = 0; 873 break; 874 case HBA_RESP_SVCRES_TMF_COMPLETE: 875 case HBA_RESP_SVCRES_TMF_SUCCEEDED: 876 res = 0; 877 break; 878 default: 879 res = -2; 880 break; 881 } 882 aac_fib_complete(fibptr); 883 884 info->reset_state = res; 885 } 886 887 /* 888 * aac_eh_dev_reset - Device reset command handling 889 * @scsi_cmd: SCSI command block causing the reset 890 * 891 */ 892 static int aac_eh_dev_reset(struct scsi_cmnd *cmd) 893 { 894 struct scsi_device * dev = cmd->device; 895 struct Scsi_Host * host = dev->host; 896 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 897 struct aac_hba_map_info *info; 898 int count; 899 u32 bus, cid; 900 struct fib *fib; 901 int ret = FAILED; 902 int status; 903 u8 command; 904 905 bus = aac_logical_to_phys(scmd_channel(cmd)); 906 cid = scmd_id(cmd); 907 908 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 909 return FAILED; 910 911 info = &aac->hba_map[bus][cid]; 912 913 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW && 914 info->reset_state > 0) 915 return FAILED; 916 917 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 918 AAC_DRIVERNAME); 919 920 fib = aac_fib_alloc(aac); 921 if (!fib) 922 return ret; 923 924 /* start a HBA_TMF_LUN_RESET TMF request */ 925 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun); 926 927 info->reset_state = 1; 928 929 status = aac_hba_send(command, fib, 930 (fib_callback) aac_tmf_callback, 931 (void *) info); 932 933 /* Wait up to 15 seconds for completion */ 934 for (count = 0; count < 15; ++count) { 935 if (info->reset_state == 0) { 936 ret = info->reset_state == 0 ? SUCCESS : FAILED; 937 break; 938 } 939 msleep(1000); 940 } 941 942 return ret; 943 } 944 945 /* 946 * aac_eh_target_reset - Target reset command handling 947 * @scsi_cmd: SCSI command block causing the reset 948 * 949 */ 950 static int aac_eh_target_reset(struct scsi_cmnd *cmd) 951 { 952 struct scsi_device * dev = cmd->device; 953 struct Scsi_Host * host = dev->host; 954 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 955 struct aac_hba_map_info *info; 956 int count; 957 u32 bus, cid; 958 int ret = FAILED; 959 struct fib *fib; 960 int status; 961 u8 command; 962 963 bus = aac_logical_to_phys(scmd_channel(cmd)); 964 cid = scmd_id(cmd); 965 966 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 967 return FAILED; 968 969 info = &aac->hba_map[bus][cid]; 970 971 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW && 972 info->reset_state > 0) 973 return FAILED; 974 975 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 976 AAC_DRIVERNAME); 977 978 fib = aac_fib_alloc(aac); 979 if (!fib) 980 return ret; 981 982 983 /* already tried, start a hard reset now */ 984 command = aac_eh_tmf_hard_reset_fib(info, fib); 985 986 info->reset_state = 2; 987 988 status = aac_hba_send(command, fib, 989 (fib_callback) aac_tmf_callback, 990 (void *) info); 991 992 /* Wait up to 15 seconds for completion */ 993 for (count = 0; count < 15; ++count) { 994 if (info->reset_state <= 0) { 995 ret = info->reset_state == 0 ? SUCCESS : FAILED; 996 break; 997 } 998 msleep(1000); 999 } 1000 1001 return ret; 1002 } 1003 1004 /* 1005 * aac_eh_bus_reset - Bus reset command handling 1006 * @scsi_cmd: SCSI command block causing the reset 1007 * 1008 */ 1009 static int aac_eh_bus_reset(struct scsi_cmnd* cmd) 1010 { 1011 struct scsi_device * dev = cmd->device; 1012 struct Scsi_Host * host = dev->host; 1013 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1014 int count; 1015 u32 cmd_bus; 1016 int status = 0; 1017 1018 1019 cmd_bus = aac_logical_to_phys(scmd_channel(cmd)); 1020 /* Mark the assoc. FIB to not complete, eh handler does this */ 1021 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 1022 struct fib *fib = &aac->fibs[count]; 1023 1024 if (fib->hw_fib_va->header.XferState && 1025 (fib->flags & FIB_CONTEXT_FLAG) && 1026 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) { 1027 struct aac_hba_map_info *info; 1028 u32 bus, cid; 1029 1030 cmd = (struct scsi_cmnd *)fib->callback_data; 1031 bus = aac_logical_to_phys(scmd_channel(cmd)); 1032 if (bus != cmd_bus) 1033 continue; 1034 cid = scmd_id(cmd); 1035 info = &aac->hba_map[bus][cid]; 1036 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || 1037 info->devtype != AAC_DEVTYPE_NATIVE_RAW) { 1038 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET; 1039 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 1040 } 1041 } 1042 } 1043 1044 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); 1045 1046 /* 1047 * Check the health of the controller 1048 */ 1049 status = aac_adapter_check_health(aac); 1050 if (status) 1051 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status); 1052 1053 count = get_num_of_incomplete_fibs(aac); 1054 return (count == 0) ? SUCCESS : FAILED; 1055 } 1056 1057 /* 1058 * aac_eh_host_reset - Host reset command handling 1059 * @scsi_cmd: SCSI command block causing the reset 1060 * 1061 */ 1062 int aac_eh_host_reset(struct scsi_cmnd *cmd) 1063 { 1064 struct scsi_device * dev = cmd->device; 1065 struct Scsi_Host * host = dev->host; 1066 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1067 int ret = FAILED; 1068 __le32 supported_options2 = 0; 1069 bool is_mu_reset; 1070 bool is_ignore_reset; 1071 bool is_doorbell_reset; 1072 1073 /* 1074 * Check if reset is supported by the firmware 1075 */ 1076 supported_options2 = aac->supplement_adapter_info.supported_options2; 1077 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET; 1078 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET; 1079 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET; 1080 /* 1081 * This adapter needs a blind reset, only do so for 1082 * Adapters that support a register, instead of a commanded, 1083 * reset. 1084 */ 1085 if ((is_mu_reset || is_doorbell_reset) 1086 && aac_check_reset 1087 && (aac_check_reset != -1 || !is_ignore_reset)) { 1088 /* Bypass wait for command quiesce */ 1089 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0) 1090 ret = SUCCESS; 1091 } 1092 /* 1093 * Reset EH state 1094 */ 1095 if (ret == SUCCESS) { 1096 int bus, cid; 1097 struct aac_hba_map_info *info; 1098 1099 for (bus = 0; bus < AAC_MAX_BUSES; bus++) { 1100 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) { 1101 info = &aac->hba_map[bus][cid]; 1102 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW) 1103 info->reset_state = 0; 1104 } 1105 } 1106 } 1107 return ret; 1108 } 1109 1110 /** 1111 * aac_cfg_open - open a configuration file 1112 * @inode: inode being opened 1113 * @file: file handle attached 1114 * 1115 * Called when the configuration device is opened. Does the needed 1116 * set up on the handle and then returns 1117 * 1118 * Bugs: This needs extending to check a given adapter is present 1119 * so we can support hot plugging, and to ref count adapters. 1120 */ 1121 1122 static int aac_cfg_open(struct inode *inode, struct file *file) 1123 { 1124 struct aac_dev *aac; 1125 unsigned minor_number = iminor(inode); 1126 int err = -ENODEV; 1127 1128 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 1129 list_for_each_entry(aac, &aac_devices, entry) { 1130 if (aac->id == minor_number) { 1131 file->private_data = aac; 1132 err = 0; 1133 break; 1134 } 1135 } 1136 mutex_unlock(&aac_mutex); 1137 1138 return err; 1139 } 1140 1141 /** 1142 * aac_cfg_ioctl - AAC configuration request 1143 * @inode: inode of device 1144 * @file: file handle 1145 * @cmd: ioctl command code 1146 * @arg: argument 1147 * 1148 * Handles a configuration ioctl. Currently this involves wrapping it 1149 * up and feeding it into the nasty windowsalike glue layer. 1150 * 1151 * Bugs: Needs locking against parallel ioctls lower down 1152 * Bugs: Needs to handle hot plugging 1153 */ 1154 1155 static long aac_cfg_ioctl(struct file *file, 1156 unsigned int cmd, unsigned long arg) 1157 { 1158 struct aac_dev *aac = (struct aac_dev *)file->private_data; 1159 1160 if (!capable(CAP_SYS_RAWIO)) 1161 return -EPERM; 1162 1163 return aac_do_ioctl(aac, cmd, (void __user *)arg); 1164 } 1165 1166 #ifdef CONFIG_COMPAT 1167 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 1168 { 1169 long ret; 1170 switch (cmd) { 1171 case FSACTL_MINIPORT_REV_CHECK: 1172 case FSACTL_SENDFIB: 1173 case FSACTL_OPEN_GET_ADAPTER_FIB: 1174 case FSACTL_CLOSE_GET_ADAPTER_FIB: 1175 case FSACTL_SEND_RAW_SRB: 1176 case FSACTL_GET_PCI_INFO: 1177 case FSACTL_QUERY_DISK: 1178 case FSACTL_DELETE_DISK: 1179 case FSACTL_FORCE_DELETE_DISK: 1180 case FSACTL_GET_CONTAINERS: 1181 case FSACTL_SEND_LARGE_FIB: 1182 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 1183 break; 1184 1185 case FSACTL_GET_NEXT_ADAPTER_FIB: { 1186 struct fib_ioctl __user *f; 1187 1188 f = compat_alloc_user_space(sizeof(*f)); 1189 ret = 0; 1190 if (clear_user(f, sizeof(*f))) 1191 ret = -EFAULT; 1192 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 1193 ret = -EFAULT; 1194 if (!ret) 1195 ret = aac_do_ioctl(dev, cmd, f); 1196 break; 1197 } 1198 1199 default: 1200 ret = -ENOIOCTLCMD; 1201 break; 1202 } 1203 return ret; 1204 } 1205 1206 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd, 1207 void __user *arg) 1208 { 1209 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 1210 if (!capable(CAP_SYS_RAWIO)) 1211 return -EPERM; 1212 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 1213 } 1214 1215 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 1216 { 1217 if (!capable(CAP_SYS_RAWIO)) 1218 return -EPERM; 1219 return aac_compat_do_ioctl(file->private_data, cmd, arg); 1220 } 1221 #endif 1222 1223 static ssize_t aac_show_model(struct device *device, 1224 struct device_attribute *attr, char *buf) 1225 { 1226 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1227 int len; 1228 1229 if (dev->supplement_adapter_info.adapter_type_text[0]) { 1230 char *cp = dev->supplement_adapter_info.adapter_type_text; 1231 while (*cp && *cp != ' ') 1232 ++cp; 1233 while (*cp == ' ') 1234 ++cp; 1235 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 1236 } else 1237 len = snprintf(buf, PAGE_SIZE, "%s\n", 1238 aac_drivers[dev->cardtype].model); 1239 return len; 1240 } 1241 1242 static ssize_t aac_show_vendor(struct device *device, 1243 struct device_attribute *attr, char *buf) 1244 { 1245 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1246 struct aac_supplement_adapter_info *sup_adap_info; 1247 int len; 1248 1249 sup_adap_info = &dev->supplement_adapter_info; 1250 if (sup_adap_info->adapter_type_text[0]) { 1251 char *cp = sup_adap_info->adapter_type_text; 1252 while (*cp && *cp != ' ') 1253 ++cp; 1254 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 1255 (int)(cp - (char *)sup_adap_info->adapter_type_text), 1256 sup_adap_info->adapter_type_text); 1257 } else 1258 len = snprintf(buf, PAGE_SIZE, "%s\n", 1259 aac_drivers[dev->cardtype].vname); 1260 return len; 1261 } 1262 1263 static ssize_t aac_show_flags(struct device *cdev, 1264 struct device_attribute *attr, char *buf) 1265 { 1266 int len = 0; 1267 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 1268 1269 if (nblank(dprintk(x))) 1270 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 1271 #ifdef AAC_DETAILED_STATUS_INFO 1272 len += snprintf(buf + len, PAGE_SIZE - len, 1273 "AAC_DETAILED_STATUS_INFO\n"); 1274 #endif 1275 if (dev->raw_io_interface && dev->raw_io_64) 1276 len += snprintf(buf + len, PAGE_SIZE - len, 1277 "SAI_READ_CAPACITY_16\n"); 1278 if (dev->jbod) 1279 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 1280 if (dev->supplement_adapter_info.supported_options2 & 1281 AAC_OPTION_POWER_MANAGEMENT) 1282 len += snprintf(buf + len, PAGE_SIZE - len, 1283 "SUPPORTED_POWER_MANAGEMENT\n"); 1284 if (dev->msi) 1285 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 1286 return len; 1287 } 1288 1289 static ssize_t aac_show_kernel_version(struct device *device, 1290 struct device_attribute *attr, 1291 char *buf) 1292 { 1293 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1294 int len, tmp; 1295 1296 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 1297 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1298 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1299 le32_to_cpu(dev->adapter_info.kernelbuild)); 1300 return len; 1301 } 1302 1303 static ssize_t aac_show_monitor_version(struct device *device, 1304 struct device_attribute *attr, 1305 char *buf) 1306 { 1307 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1308 int len, tmp; 1309 1310 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 1311 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1312 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1313 le32_to_cpu(dev->adapter_info.monitorbuild)); 1314 return len; 1315 } 1316 1317 static ssize_t aac_show_bios_version(struct device *device, 1318 struct device_attribute *attr, 1319 char *buf) 1320 { 1321 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1322 int len, tmp; 1323 1324 tmp = le32_to_cpu(dev->adapter_info.biosrev); 1325 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1326 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1327 le32_to_cpu(dev->adapter_info.biosbuild)); 1328 return len; 1329 } 1330 1331 static ssize_t aac_show_driver_version(struct device *device, 1332 struct device_attribute *attr, 1333 char *buf) 1334 { 1335 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version); 1336 } 1337 1338 static ssize_t aac_show_serial_number(struct device *device, 1339 struct device_attribute *attr, char *buf) 1340 { 1341 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1342 int len = 0; 1343 1344 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 1345 len = snprintf(buf, 16, "%06X\n", 1346 le32_to_cpu(dev->adapter_info.serial[0])); 1347 if (len && 1348 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[ 1349 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len], 1350 buf, len-1)) 1351 len = snprintf(buf, 16, "%.*s\n", 1352 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no), 1353 dev->supplement_adapter_info.mfg_pcba_serial_no); 1354 1355 return min(len, 16); 1356 } 1357 1358 static ssize_t aac_show_max_channel(struct device *device, 1359 struct device_attribute *attr, char *buf) 1360 { 1361 return snprintf(buf, PAGE_SIZE, "%d\n", 1362 class_to_shost(device)->max_channel); 1363 } 1364 1365 static ssize_t aac_show_max_id(struct device *device, 1366 struct device_attribute *attr, char *buf) 1367 { 1368 return snprintf(buf, PAGE_SIZE, "%d\n", 1369 class_to_shost(device)->max_id); 1370 } 1371 1372 static ssize_t aac_store_reset_adapter(struct device *device, 1373 struct device_attribute *attr, 1374 const char *buf, size_t count) 1375 { 1376 int retval = -EACCES; 1377 1378 if (!capable(CAP_SYS_ADMIN)) 1379 return retval; 1380 1381 retval = aac_reset_adapter(shost_priv(class_to_shost(device)), 1382 buf[0] == '!', IOP_HWSOFT_RESET); 1383 if (retval >= 0) 1384 retval = count; 1385 1386 return retval; 1387 } 1388 1389 static ssize_t aac_show_reset_adapter(struct device *device, 1390 struct device_attribute *attr, 1391 char *buf) 1392 { 1393 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1394 int len, tmp; 1395 1396 tmp = aac_adapter_check_health(dev); 1397 if ((tmp == 0) && dev->in_reset) 1398 tmp = -EBUSY; 1399 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 1400 return len; 1401 } 1402 1403 static struct device_attribute aac_model = { 1404 .attr = { 1405 .name = "model", 1406 .mode = S_IRUGO, 1407 }, 1408 .show = aac_show_model, 1409 }; 1410 static struct device_attribute aac_vendor = { 1411 .attr = { 1412 .name = "vendor", 1413 .mode = S_IRUGO, 1414 }, 1415 .show = aac_show_vendor, 1416 }; 1417 static struct device_attribute aac_flags = { 1418 .attr = { 1419 .name = "flags", 1420 .mode = S_IRUGO, 1421 }, 1422 .show = aac_show_flags, 1423 }; 1424 static struct device_attribute aac_kernel_version = { 1425 .attr = { 1426 .name = "hba_kernel_version", 1427 .mode = S_IRUGO, 1428 }, 1429 .show = aac_show_kernel_version, 1430 }; 1431 static struct device_attribute aac_monitor_version = { 1432 .attr = { 1433 .name = "hba_monitor_version", 1434 .mode = S_IRUGO, 1435 }, 1436 .show = aac_show_monitor_version, 1437 }; 1438 static struct device_attribute aac_bios_version = { 1439 .attr = { 1440 .name = "hba_bios_version", 1441 .mode = S_IRUGO, 1442 }, 1443 .show = aac_show_bios_version, 1444 }; 1445 static struct device_attribute aac_lld_version = { 1446 .attr = { 1447 .name = "driver_version", 1448 .mode = 0444, 1449 }, 1450 .show = aac_show_driver_version, 1451 }; 1452 static struct device_attribute aac_serial_number = { 1453 .attr = { 1454 .name = "serial_number", 1455 .mode = S_IRUGO, 1456 }, 1457 .show = aac_show_serial_number, 1458 }; 1459 static struct device_attribute aac_max_channel = { 1460 .attr = { 1461 .name = "max_channel", 1462 .mode = S_IRUGO, 1463 }, 1464 .show = aac_show_max_channel, 1465 }; 1466 static struct device_attribute aac_max_id = { 1467 .attr = { 1468 .name = "max_id", 1469 .mode = S_IRUGO, 1470 }, 1471 .show = aac_show_max_id, 1472 }; 1473 static struct device_attribute aac_reset = { 1474 .attr = { 1475 .name = "reset_host", 1476 .mode = S_IWUSR|S_IRUGO, 1477 }, 1478 .store = aac_store_reset_adapter, 1479 .show = aac_show_reset_adapter, 1480 }; 1481 1482 static struct device_attribute *aac_attrs[] = { 1483 &aac_model, 1484 &aac_vendor, 1485 &aac_flags, 1486 &aac_kernel_version, 1487 &aac_monitor_version, 1488 &aac_bios_version, 1489 &aac_lld_version, 1490 &aac_serial_number, 1491 &aac_max_channel, 1492 &aac_max_id, 1493 &aac_reset, 1494 NULL 1495 }; 1496 1497 ssize_t aac_get_serial_number(struct device *device, char *buf) 1498 { 1499 return aac_show_serial_number(device, &aac_serial_number, buf); 1500 } 1501 1502 static const struct file_operations aac_cfg_fops = { 1503 .owner = THIS_MODULE, 1504 .unlocked_ioctl = aac_cfg_ioctl, 1505 #ifdef CONFIG_COMPAT 1506 .compat_ioctl = aac_compat_cfg_ioctl, 1507 #endif 1508 .open = aac_cfg_open, 1509 .llseek = noop_llseek, 1510 }; 1511 1512 static struct scsi_host_template aac_driver_template = { 1513 .module = THIS_MODULE, 1514 .name = "AAC", 1515 .proc_name = AAC_DRIVERNAME, 1516 .info = aac_info, 1517 .ioctl = aac_ioctl, 1518 #ifdef CONFIG_COMPAT 1519 .compat_ioctl = aac_compat_ioctl, 1520 #endif 1521 .queuecommand = aac_queuecommand, 1522 .bios_param = aac_biosparm, 1523 .shost_attrs = aac_attrs, 1524 .slave_configure = aac_slave_configure, 1525 .change_queue_depth = aac_change_queue_depth, 1526 .sdev_attrs = aac_dev_attrs, 1527 .eh_abort_handler = aac_eh_abort, 1528 .eh_device_reset_handler = aac_eh_dev_reset, 1529 .eh_target_reset_handler = aac_eh_target_reset, 1530 .eh_bus_reset_handler = aac_eh_bus_reset, 1531 .eh_host_reset_handler = aac_eh_host_reset, 1532 .can_queue = AAC_NUM_IO_FIB, 1533 .this_id = MAXIMUM_NUM_CONTAINERS, 1534 .sg_tablesize = 16, 1535 .max_sectors = 128, 1536 #if (AAC_NUM_IO_FIB > 256) 1537 .cmd_per_lun = 256, 1538 #else 1539 .cmd_per_lun = AAC_NUM_IO_FIB, 1540 #endif 1541 .emulated = 1, 1542 .no_write_same = 1, 1543 }; 1544 1545 static void __aac_shutdown(struct aac_dev * aac) 1546 { 1547 int i; 1548 1549 mutex_lock(&aac->ioctl_mutex); 1550 aac->adapter_shutdown = 1; 1551 mutex_unlock(&aac->ioctl_mutex); 1552 1553 if (aac->aif_thread) { 1554 int i; 1555 /* Clear out events first */ 1556 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { 1557 struct fib *fib = &aac->fibs[i]; 1558 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && 1559 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) 1560 complete(&fib->event_wait); 1561 } 1562 kthread_stop(aac->thread); 1563 aac->thread = NULL; 1564 } 1565 1566 aac_send_shutdown(aac); 1567 1568 aac_adapter_disable_int(aac); 1569 1570 if (aac_is_src(aac)) { 1571 if (aac->max_msix > 1) { 1572 for (i = 0; i < aac->max_msix; i++) { 1573 free_irq(pci_irq_vector(aac->pdev, i), 1574 &(aac->aac_msix[i])); 1575 } 1576 } else { 1577 free_irq(aac->pdev->irq, 1578 &(aac->aac_msix[0])); 1579 } 1580 } else { 1581 free_irq(aac->pdev->irq, aac); 1582 } 1583 if (aac->msi) 1584 pci_disable_msi(aac->pdev); 1585 else if (aac->max_msix > 1) 1586 pci_disable_msix(aac->pdev); 1587 } 1588 static void aac_init_char(void) 1589 { 1590 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); 1591 if (aac_cfg_major < 0) { 1592 pr_err("aacraid: unable to register \"aac\" device.\n"); 1593 } 1594 } 1595 1596 void aac_reinit_aif(struct aac_dev *aac, unsigned int index) 1597 { 1598 /* 1599 * Firmware may send a AIF messages very early and the Driver may have 1600 * ignored as it is not fully ready to process the messages. Send 1601 * AIF to firmware so that if there are any unprocessed events they 1602 * can be processed now. 1603 */ 1604 if (aac_drivers[index].quirks & AAC_QUIRK_SRC) 1605 aac_intr_normal(aac, 0, 2, 0, NULL); 1606 1607 } 1608 1609 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 1610 { 1611 unsigned index = id->driver_data; 1612 struct Scsi_Host *shost; 1613 struct aac_dev *aac; 1614 struct list_head *insert = &aac_devices; 1615 int error = -ENODEV; 1616 int unique_id = 0; 1617 u64 dmamask; 1618 int mask_bits = 0; 1619 extern int aac_sync_mode; 1620 1621 /* 1622 * Only series 7 needs freset. 1623 */ 1624 if (pdev->device == PMC_DEVICE_S7) 1625 pdev->needs_freset = 1; 1626 1627 list_for_each_entry(aac, &aac_devices, entry) { 1628 if (aac->id > unique_id) 1629 break; 1630 insert = &aac->entry; 1631 unique_id++; 1632 } 1633 1634 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | 1635 PCIE_LINK_STATE_CLKPM); 1636 1637 error = pci_enable_device(pdev); 1638 if (error) 1639 goto out; 1640 error = -ENODEV; 1641 1642 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) { 1643 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 1644 if (error) { 1645 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed"); 1646 goto out_disable_pdev; 1647 } 1648 } 1649 1650 /* 1651 * If the quirk31 bit is set, the adapter needs adapter 1652 * to driver communication memory to be allocated below 2gig 1653 */ 1654 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) { 1655 dmamask = DMA_BIT_MASK(31); 1656 mask_bits = 31; 1657 } else { 1658 dmamask = DMA_BIT_MASK(32); 1659 mask_bits = 32; 1660 } 1661 1662 error = pci_set_consistent_dma_mask(pdev, dmamask); 1663 if (error) { 1664 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n" 1665 , mask_bits); 1666 goto out_disable_pdev; 1667 } 1668 1669 pci_set_master(pdev); 1670 1671 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1672 if (!shost) 1673 goto out_disable_pdev; 1674 1675 shost->irq = pdev->irq; 1676 shost->unique_id = unique_id; 1677 shost->max_cmd_len = 16; 1678 shost->use_cmd_list = 1; 1679 1680 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) 1681 aac_init_char(); 1682 1683 aac = (struct aac_dev *)shost->hostdata; 1684 aac->base_start = pci_resource_start(pdev, 0); 1685 aac->scsi_host_ptr = shost; 1686 aac->pdev = pdev; 1687 aac->name = aac_driver_template.name; 1688 aac->id = shost->unique_id; 1689 aac->cardtype = index; 1690 INIT_LIST_HEAD(&aac->entry); 1691 1692 if (aac_reset_devices || reset_devices) 1693 aac->init_reset = true; 1694 1695 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB, 1696 sizeof(struct fib), 1697 GFP_KERNEL); 1698 if (!aac->fibs) 1699 goto out_free_host; 1700 spin_lock_init(&aac->fib_lock); 1701 1702 mutex_init(&aac->ioctl_mutex); 1703 mutex_init(&aac->scan_mutex); 1704 1705 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker); 1706 INIT_DELAYED_WORK(&aac->src_reinit_aif_worker, 1707 aac_src_reinit_aif_worker); 1708 /* 1709 * Map in the registers from the adapter. 1710 */ 1711 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1712 if ((*aac_drivers[index].init)(aac)) { 1713 error = -ENODEV; 1714 goto out_unmap; 1715 } 1716 1717 if (aac->sync_mode) { 1718 if (aac_sync_mode) 1719 printk(KERN_INFO "%s%d: Sync. mode enforced " 1720 "by driver parameter. This will cause " 1721 "a significant performance decrease!\n", 1722 aac->name, 1723 aac->id); 1724 else 1725 printk(KERN_INFO "%s%d: Async. mode not supported " 1726 "by current driver, sync. mode enforced." 1727 "\nPlease update driver to get full performance.\n", 1728 aac->name, 1729 aac->id); 1730 } 1731 1732 /* 1733 * Start any kernel threads needed 1734 */ 1735 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1736 if (IS_ERR(aac->thread)) { 1737 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1738 error = PTR_ERR(aac->thread); 1739 aac->thread = NULL; 1740 goto out_deinit; 1741 } 1742 1743 aac->maximum_num_channels = aac_drivers[index].channels; 1744 error = aac_get_adapter_info(aac); 1745 if (error < 0) 1746 goto out_deinit; 1747 1748 /* 1749 * Lets override negotiations and drop the maximum SG limit to 34 1750 */ 1751 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1752 (shost->sg_tablesize > 34)) { 1753 shost->sg_tablesize = 34; 1754 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1755 } 1756 1757 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1758 (shost->sg_tablesize > 17)) { 1759 shost->sg_tablesize = 17; 1760 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1761 } 1762 1763 if (aac->adapter_info.options & AAC_OPT_NEW_COMM) 1764 shost->max_segment_size = shost->max_sectors << 9; 1765 else 1766 shost->max_segment_size = 65536; 1767 1768 /* 1769 * Firmware printf works only with older firmware. 1770 */ 1771 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1772 aac->printf_enabled = 1; 1773 else 1774 aac->printf_enabled = 0; 1775 1776 /* 1777 * max channel will be the physical channels plus 1 virtual channel 1778 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1779 * physical channels are address by their actual physical number+1 1780 */ 1781 if (aac->nondasd_support || expose_physicals || aac->jbod) 1782 shost->max_channel = aac->maximum_num_channels; 1783 else 1784 shost->max_channel = 0; 1785 1786 aac_get_config_status(aac, 0); 1787 aac_get_containers(aac); 1788 list_add(&aac->entry, insert); 1789 1790 shost->max_id = aac->maximum_num_containers; 1791 if (shost->max_id < aac->maximum_num_physicals) 1792 shost->max_id = aac->maximum_num_physicals; 1793 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1794 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1795 else 1796 shost->this_id = shost->max_id; 1797 1798 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC) 1799 aac_intr_normal(aac, 0, 2, 0, NULL); 1800 1801 /* 1802 * dmb - we may need to move the setting of these parms somewhere else once 1803 * we get a fib that can report the actual numbers 1804 */ 1805 shost->max_lun = AAC_MAX_LUN; 1806 1807 pci_set_drvdata(pdev, shost); 1808 1809 error = scsi_add_host(shost, &pdev->dev); 1810 if (error) 1811 goto out_deinit; 1812 1813 aac_scan_host(aac); 1814 1815 pci_enable_pcie_error_reporting(pdev); 1816 pci_save_state(pdev); 1817 1818 return 0; 1819 1820 out_deinit: 1821 __aac_shutdown(aac); 1822 out_unmap: 1823 aac_fib_map_free(aac); 1824 if (aac->comm_addr) 1825 dma_free_coherent(&aac->pdev->dev, aac->comm_size, 1826 aac->comm_addr, aac->comm_phys); 1827 kfree(aac->queues); 1828 aac_adapter_ioremap(aac, 0); 1829 kfree(aac->fibs); 1830 kfree(aac->fsa_dev); 1831 out_free_host: 1832 scsi_host_put(shost); 1833 out_disable_pdev: 1834 pci_disable_device(pdev); 1835 out: 1836 return error; 1837 } 1838 1839 static void aac_release_resources(struct aac_dev *aac) 1840 { 1841 aac_adapter_disable_int(aac); 1842 aac_free_irq(aac); 1843 } 1844 1845 static int aac_acquire_resources(struct aac_dev *dev) 1846 { 1847 unsigned long status; 1848 /* 1849 * First clear out all interrupts. Then enable the one's that we 1850 * can handle. 1851 */ 1852 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) 1853 || status == 0xffffffff) 1854 msleep(20); 1855 1856 aac_adapter_disable_int(dev); 1857 aac_adapter_enable_int(dev); 1858 1859 1860 if (aac_is_src(dev)) 1861 aac_define_int_mode(dev); 1862 1863 if (dev->msi_enabled) 1864 aac_src_access_devreg(dev, AAC_ENABLE_MSIX); 1865 1866 if (aac_acquire_irq(dev)) 1867 goto error_iounmap; 1868 1869 aac_adapter_enable_int(dev); 1870 1871 /*max msix may change after EEH 1872 * Re-assign vectors to fibs 1873 */ 1874 aac_fib_vector_assign(dev); 1875 1876 if (!dev->sync_mode) { 1877 /* After EEH recovery or suspend resume, max_msix count 1878 * may change, therefore updating in init as well. 1879 */ 1880 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix); 1881 aac_adapter_start(dev); 1882 } 1883 return 0; 1884 1885 error_iounmap: 1886 return -1; 1887 1888 } 1889 1890 #if (defined(CONFIG_PM)) 1891 static int aac_suspend(struct pci_dev *pdev, pm_message_t state) 1892 { 1893 1894 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1895 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1896 1897 scsi_block_requests(shost); 1898 aac_cancel_rescan_worker(aac); 1899 aac_send_shutdown(aac); 1900 1901 aac_release_resources(aac); 1902 1903 pci_set_drvdata(pdev, shost); 1904 pci_save_state(pdev); 1905 pci_disable_device(pdev); 1906 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 1907 1908 return 0; 1909 } 1910 1911 static int aac_resume(struct pci_dev *pdev) 1912 { 1913 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1914 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1915 int r; 1916 1917 pci_set_power_state(pdev, PCI_D0); 1918 pci_enable_wake(pdev, PCI_D0, 0); 1919 pci_restore_state(pdev); 1920 r = pci_enable_device(pdev); 1921 1922 if (r) 1923 goto fail_device; 1924 1925 pci_set_master(pdev); 1926 if (aac_acquire_resources(aac)) 1927 goto fail_device; 1928 /* 1929 * reset this flag to unblock ioctl() as it was set at 1930 * aac_send_shutdown() to block ioctls from upperlayer 1931 */ 1932 aac->adapter_shutdown = 0; 1933 scsi_unblock_requests(shost); 1934 1935 return 0; 1936 1937 fail_device: 1938 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); 1939 scsi_host_put(shost); 1940 pci_disable_device(pdev); 1941 return -ENODEV; 1942 } 1943 #endif 1944 1945 static void aac_shutdown(struct pci_dev *dev) 1946 { 1947 struct Scsi_Host *shost = pci_get_drvdata(dev); 1948 scsi_block_requests(shost); 1949 __aac_shutdown((struct aac_dev *)shost->hostdata); 1950 } 1951 1952 static void aac_remove_one(struct pci_dev *pdev) 1953 { 1954 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1955 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1956 1957 aac_cancel_rescan_worker(aac); 1958 scsi_remove_host(shost); 1959 1960 __aac_shutdown(aac); 1961 aac_fib_map_free(aac); 1962 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr, 1963 aac->comm_phys); 1964 kfree(aac->queues); 1965 1966 aac_adapter_ioremap(aac, 0); 1967 1968 kfree(aac->fibs); 1969 kfree(aac->fsa_dev); 1970 1971 list_del(&aac->entry); 1972 scsi_host_put(shost); 1973 pci_disable_device(pdev); 1974 if (list_empty(&aac_devices)) { 1975 unregister_chrdev(aac_cfg_major, "aac"); 1976 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; 1977 } 1978 } 1979 1980 static void aac_flush_ios(struct aac_dev *aac) 1981 { 1982 int i; 1983 struct scsi_cmnd *cmd; 1984 1985 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) { 1986 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data; 1987 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) { 1988 scsi_dma_unmap(cmd); 1989 1990 if (aac->handle_pci_error) 1991 cmd->result = DID_NO_CONNECT << 16; 1992 else 1993 cmd->result = DID_RESET << 16; 1994 1995 cmd->scsi_done(cmd); 1996 } 1997 } 1998 } 1999 2000 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, 2001 enum pci_channel_state error) 2002 { 2003 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2004 struct aac_dev *aac = shost_priv(shost); 2005 2006 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); 2007 2008 switch (error) { 2009 case pci_channel_io_normal: 2010 return PCI_ERS_RESULT_CAN_RECOVER; 2011 case pci_channel_io_frozen: 2012 aac->handle_pci_error = 1; 2013 2014 scsi_block_requests(aac->scsi_host_ptr); 2015 aac_cancel_rescan_worker(aac); 2016 aac_flush_ios(aac); 2017 aac_release_resources(aac); 2018 2019 pci_disable_pcie_error_reporting(pdev); 2020 aac_adapter_ioremap(aac, 0); 2021 2022 return PCI_ERS_RESULT_NEED_RESET; 2023 case pci_channel_io_perm_failure: 2024 aac->handle_pci_error = 1; 2025 2026 aac_flush_ios(aac); 2027 return PCI_ERS_RESULT_DISCONNECT; 2028 } 2029 2030 return PCI_ERS_RESULT_NEED_RESET; 2031 } 2032 2033 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) 2034 { 2035 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); 2036 return PCI_ERS_RESULT_NEED_RESET; 2037 } 2038 2039 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) 2040 { 2041 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); 2042 pci_restore_state(pdev); 2043 if (pci_enable_device(pdev)) { 2044 dev_warn(&pdev->dev, 2045 "aacraid: failed to enable slave\n"); 2046 goto fail_device; 2047 } 2048 2049 pci_set_master(pdev); 2050 2051 if (pci_enable_device_mem(pdev)) { 2052 dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); 2053 goto fail_device; 2054 } 2055 2056 return PCI_ERS_RESULT_RECOVERED; 2057 2058 fail_device: 2059 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); 2060 return PCI_ERS_RESULT_DISCONNECT; 2061 } 2062 2063 2064 static void aac_pci_resume(struct pci_dev *pdev) 2065 { 2066 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2067 struct scsi_device *sdev = NULL; 2068 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); 2069 2070 if (aac_adapter_ioremap(aac, aac->base_size)) { 2071 2072 dev_err(&pdev->dev, "aacraid: ioremap failed\n"); 2073 /* remap failed, go back ... */ 2074 aac->comm_interface = AAC_COMM_PRODUCER; 2075 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { 2076 dev_warn(&pdev->dev, 2077 "aacraid: unable to map adapter.\n"); 2078 2079 return; 2080 } 2081 } 2082 2083 msleep(10000); 2084 2085 aac_acquire_resources(aac); 2086 2087 /* 2088 * reset this flag to unblock ioctl() as it was set 2089 * at aac_send_shutdown() to block ioctls from upperlayer 2090 */ 2091 aac->adapter_shutdown = 0; 2092 aac->handle_pci_error = 0; 2093 2094 shost_for_each_device(sdev, shost) 2095 if (sdev->sdev_state == SDEV_OFFLINE) 2096 sdev->sdev_state = SDEV_RUNNING; 2097 scsi_unblock_requests(aac->scsi_host_ptr); 2098 aac_scan_host(aac); 2099 pci_save_state(pdev); 2100 2101 dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); 2102 } 2103 2104 static struct pci_error_handlers aac_pci_err_handler = { 2105 .error_detected = aac_pci_error_detected, 2106 .mmio_enabled = aac_pci_mmio_enabled, 2107 .slot_reset = aac_pci_slot_reset, 2108 .resume = aac_pci_resume, 2109 }; 2110 2111 static struct pci_driver aac_pci_driver = { 2112 .name = AAC_DRIVERNAME, 2113 .id_table = aac_pci_tbl, 2114 .probe = aac_probe_one, 2115 .remove = aac_remove_one, 2116 #if (defined(CONFIG_PM)) 2117 .suspend = aac_suspend, 2118 .resume = aac_resume, 2119 #endif 2120 .shutdown = aac_shutdown, 2121 .err_handler = &aac_pci_err_handler, 2122 }; 2123 2124 static int __init aac_init(void) 2125 { 2126 int error; 2127 2128 printk(KERN_INFO "Adaptec %s driver %s\n", 2129 AAC_DRIVERNAME, aac_driver_version); 2130 2131 error = pci_register_driver(&aac_pci_driver); 2132 if (error < 0) 2133 return error; 2134 2135 aac_init_char(); 2136 2137 2138 return 0; 2139 } 2140 2141 static void __exit aac_exit(void) 2142 { 2143 if (aac_cfg_major > -1) 2144 unregister_chrdev(aac_cfg_major, "aac"); 2145 pci_unregister_driver(&aac_pci_driver); 2146 } 2147 2148 module_init(aac_init); 2149 module_exit(aac_exit); 2150