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/pci-aspm.h> 31 #include <linux/slab.h> 32 #include <linux/mutex.h> 33 #include <linux/spinlock.h> 34 #include <linux/syscalls.h> 35 #include <linux/delay.h> 36 #include <linux/kthread.h> 37 38 #include <scsi/scsi.h> 39 #include <scsi/scsi_cmnd.h> 40 #include <scsi/scsi_device.h> 41 #include <scsi/scsi_host.h> 42 #include <scsi/scsi_tcq.h> 43 #include <scsi/scsicam.h> 44 #include <scsi/scsi_eh.h> 45 46 #include "aacraid.h" 47 48 #define AAC_DRIVER_VERSION "1.2.1" 49 #ifndef AAC_DRIVER_BRANCH 50 #define AAC_DRIVER_BRANCH "" 51 #endif 52 #define AAC_DRIVERNAME "aacraid" 53 54 #ifdef AAC_DRIVER_BUILD 55 #define _str(x) #x 56 #define str(x) _str(x) 57 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 58 #else 59 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH 60 #endif 61 62 MODULE_AUTHOR("Red Hat Inc and Adaptec"); 63 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 64 "Adaptec Advanced Raid Products, " 65 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 66 MODULE_LICENSE("GPL"); 67 MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 68 69 static DEFINE_MUTEX(aac_mutex); 70 static LIST_HEAD(aac_devices); 71 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED; 72 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 73 74 /* 75 * Because of the way Linux names scsi devices, the order in this table has 76 * become important. Check for on-board Raid first, add-in cards second. 77 * 78 * Note: The last field is used to index into aac_drivers below. 79 */ 80 static const struct pci_device_id aac_pci_tbl[] = { 81 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 82 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 83 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 84 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 85 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 86 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 87 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 88 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 89 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 90 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 91 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 92 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 93 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 94 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 95 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 96 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 97 98 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 99 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 100 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 101 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 102 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 103 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 104 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 105 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 106 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 107 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 108 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 109 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 110 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 111 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 112 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 113 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 114 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 115 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 116 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 117 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 118 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 119 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 120 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 121 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 122 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 123 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 124 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 125 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 126 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 127 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 128 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 129 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 130 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 131 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 132 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 133 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 134 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 135 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 136 137 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 138 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 139 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 140 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 141 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 142 143 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 144 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 145 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 146 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 147 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 148 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ 149 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ 150 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ 151 { 0,} 152 }; 153 MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 154 155 /* 156 * dmb - For now we add the number of channels to this structure. 157 * In the future we should add a fib that reports the number of channels 158 * for the card. At that time we can remove the channels from here 159 */ 160 static struct aac_driver_ident aac_drivers[] = { 161 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 162 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 163 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 164 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 165 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 170 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 171 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 172 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 173 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 174 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 175 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 176 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 177 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 181 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 182 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 183 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 184 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 185 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 186 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 187 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 188 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 189 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 190 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 191 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 192 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 193 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 194 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 195 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 196 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 197 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 198 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 199 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 200 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 201 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 202 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 207 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 208 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 209 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 213 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 214 215 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 216 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 217 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 218 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 219 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 220 221 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 222 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 223 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 224 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 225 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ 226 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */ 227 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */ 228 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */ 229 }; 230 231 /** 232 * aac_queuecommand - queue a SCSI command 233 * @cmd: SCSI command to queue 234 * @done: Function to call on command completion 235 * 236 * Queues a command for execution by the associated Host Adapter. 237 * 238 * TODO: unify with aac_scsi_cmd(). 239 */ 240 241 static int aac_queuecommand(struct Scsi_Host *shost, 242 struct scsi_cmnd *cmd) 243 { 244 int r = 0; 245 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 246 r = (aac_scsi_cmd(cmd) ? FAILED : 0); 247 return r; 248 } 249 250 /** 251 * aac_info - Returns the host adapter name 252 * @shost: Scsi host to report on 253 * 254 * Returns a static string describing the device in question 255 */ 256 257 static const char *aac_info(struct Scsi_Host *shost) 258 { 259 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 260 return aac_drivers[dev->cardtype].name; 261 } 262 263 /** 264 * aac_get_driver_ident 265 * @devtype: index into lookup table 266 * 267 * Returns a pointer to the entry in the driver lookup table. 268 */ 269 270 struct aac_driver_ident* aac_get_driver_ident(int devtype) 271 { 272 return &aac_drivers[devtype]; 273 } 274 275 /** 276 * aac_biosparm - return BIOS parameters for disk 277 * @sdev: The scsi device corresponding to the disk 278 * @bdev: the block device corresponding to the disk 279 * @capacity: the sector capacity of the disk 280 * @geom: geometry block to fill in 281 * 282 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 283 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 284 * number of cylinders so as not to exceed drive capacity. In order for 285 * disks equal to or larger than 1 GB to be addressable by the BIOS 286 * without exceeding the BIOS limitation of 1024 cylinders, Extended 287 * Translation should be enabled. With Extended Translation enabled, 288 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 289 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 290 * are given a disk geometry of 255 heads and 63 sectors. However, if 291 * the BIOS detects that the Extended Translation setting does not match 292 * the geometry in the partition table, then the translation inferred 293 * from the partition table will be used by the BIOS, and a warning may 294 * be displayed. 295 */ 296 297 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 298 sector_t capacity, int *geom) 299 { 300 struct diskparm *param = (struct diskparm *)geom; 301 unsigned char *buf; 302 303 dprintk((KERN_DEBUG "aac_biosparm.\n")); 304 305 /* 306 * Assuming extended translation is enabled - #REVISIT# 307 */ 308 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 309 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 310 param->heads = 255; 311 param->sectors = 63; 312 } else { 313 param->heads = 128; 314 param->sectors = 32; 315 } 316 } else { 317 param->heads = 64; 318 param->sectors = 32; 319 } 320 321 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 322 323 /* 324 * Read the first 1024 bytes from the disk device, if the boot 325 * sector partition table is valid, search for a partition table 326 * entry whose end_head matches one of the standard geometry 327 * translations ( 64/32, 128/32, 255/63 ). 328 */ 329 buf = scsi_bios_ptable(bdev); 330 if (!buf) 331 return 0; 332 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 333 struct partition *first = (struct partition * )buf; 334 struct partition *entry = first; 335 int saved_cylinders = param->cylinders; 336 int num; 337 unsigned char end_head, end_sec; 338 339 for(num = 0; num < 4; num++) { 340 end_head = entry->end_head; 341 end_sec = entry->end_sector & 0x3f; 342 343 if(end_head == 63) { 344 param->heads = 64; 345 param->sectors = 32; 346 break; 347 } else if(end_head == 127) { 348 param->heads = 128; 349 param->sectors = 32; 350 break; 351 } else if(end_head == 254) { 352 param->heads = 255; 353 param->sectors = 63; 354 break; 355 } 356 entry++; 357 } 358 359 if (num == 4) { 360 end_head = first->end_head; 361 end_sec = first->end_sector & 0x3f; 362 } 363 364 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 365 if (num < 4 && end_sec == param->sectors) { 366 if (param->cylinders != saved_cylinders) 367 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 368 param->heads, param->sectors, num)); 369 } else if (end_head > 0 || end_sec > 0) { 370 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 371 end_head + 1, end_sec, num)); 372 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 373 param->heads, param->sectors)); 374 } 375 } 376 kfree(buf); 377 return 0; 378 } 379 380 /** 381 * aac_slave_configure - compute queue depths 382 * @sdev: SCSI device we are considering 383 * 384 * Selects queue depths for each target device based on the host adapter's 385 * total capacity and the queue depth supported by the target device. 386 * A queue depth of one automatically disables tagged queueing. 387 */ 388 389 static int aac_slave_configure(struct scsi_device *sdev) 390 { 391 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 392 int chn, tid; 393 unsigned int depth = 0; 394 unsigned int set_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. 488 */ 489 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ)) 490 blk_queue_rq_timeout(sdev->request_queue, 45*HZ); 491 492 if (depth > 256) 493 depth = 256; 494 else if (depth < 1) 495 depth = 1; 496 497 scsi_change_queue_depth(sdev, depth); 498 499 sdev->tagged_supported = 1; 500 501 return 0; 502 } 503 504 /** 505 * aac_change_queue_depth - alter queue depths 506 * @sdev: SCSI device we are considering 507 * @depth: desired queue depth 508 * 509 * Alters queue depths for target device based on the host adapter's 510 * total capacity and the queue depth supported by the target device. 511 */ 512 513 static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 514 { 515 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 516 int chn, tid, is_native_device = 0; 517 518 chn = aac_logical_to_phys(sdev_channel(sdev)); 519 tid = sdev_id(sdev); 520 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && 521 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) 522 is_native_device = 1; 523 524 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 525 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 526 struct scsi_device * dev; 527 struct Scsi_Host *host = sdev->host; 528 unsigned num = 0; 529 530 __shost_for_each_device(dev, host) { 531 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 532 (sdev_channel(dev) == CONTAINER_CHANNEL)) 533 ++num; 534 ++num; 535 } 536 if (num >= host->can_queue) 537 num = host->can_queue - 1; 538 if (depth > (host->can_queue - num)) 539 depth = host->can_queue - num; 540 if (depth > 256) 541 depth = 256; 542 else if (depth < 2) 543 depth = 2; 544 return scsi_change_queue_depth(sdev, depth); 545 } else if (is_native_device) { 546 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit); 547 } else { 548 scsi_change_queue_depth(sdev, 1); 549 } 550 return sdev->queue_depth; 551 } 552 553 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 554 { 555 struct scsi_device *sdev = to_scsi_device(dev); 556 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 557 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 558 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 559 ? "Hidden\n" : 560 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 561 return snprintf(buf, PAGE_SIZE, "%s\n", 562 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 563 } 564 565 static struct device_attribute aac_raid_level_attr = { 566 .attr = { 567 .name = "level", 568 .mode = S_IRUGO, 569 }, 570 .show = aac_show_raid_level 571 }; 572 573 static ssize_t aac_show_unique_id(struct device *dev, 574 struct device_attribute *attr, char *buf) 575 { 576 struct scsi_device *sdev = to_scsi_device(dev); 577 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 578 unsigned char sn[16]; 579 580 memset(sn, 0, sizeof(sn)); 581 582 if (sdev_channel(sdev) == CONTAINER_CHANNEL) 583 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn)); 584 585 return snprintf(buf, 16 * 2 + 2, 586 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n", 587 sn[0], sn[1], sn[2], sn[3], 588 sn[4], sn[5], sn[6], sn[7], 589 sn[8], sn[9], sn[10], sn[11], 590 sn[12], sn[13], sn[14], sn[15]); 591 } 592 593 static struct device_attribute aac_unique_id_attr = { 594 .attr = { 595 .name = "unique_id", 596 .mode = 0444, 597 }, 598 .show = aac_show_unique_id 599 }; 600 601 602 603 static struct device_attribute *aac_dev_attrs[] = { 604 &aac_raid_level_attr, 605 &aac_unique_id_attr, 606 NULL, 607 }; 608 609 static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd, 610 void __user *arg) 611 { 612 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 613 if (!capable(CAP_SYS_RAWIO)) 614 return -EPERM; 615 return aac_do_ioctl(dev, cmd, arg); 616 } 617 618 static int get_num_of_incomplete_fibs(struct aac_dev *aac) 619 { 620 621 unsigned long flags; 622 struct scsi_device *sdev = NULL; 623 struct Scsi_Host *shost = aac->scsi_host_ptr; 624 struct scsi_cmnd *scmnd = NULL; 625 struct device *ctrl_dev; 626 627 int mlcnt = 0; 628 int llcnt = 0; 629 int ehcnt = 0; 630 int fwcnt = 0; 631 int krlcnt = 0; 632 633 __shost_for_each_device(sdev, shost) { 634 spin_lock_irqsave(&sdev->list_lock, flags); 635 list_for_each_entry(scmnd, &sdev->cmd_list, list) { 636 switch (scmnd->SCp.phase) { 637 case AAC_OWNER_FIRMWARE: 638 fwcnt++; 639 break; 640 case AAC_OWNER_ERROR_HANDLER: 641 ehcnt++; 642 break; 643 case AAC_OWNER_LOWLEVEL: 644 llcnt++; 645 break; 646 case AAC_OWNER_MIDLEVEL: 647 mlcnt++; 648 break; 649 default: 650 krlcnt++; 651 break; 652 } 653 } 654 spin_unlock_irqrestore(&sdev->list_lock, flags); 655 } 656 657 ctrl_dev = &aac->pdev->dev; 658 659 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt); 660 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt); 661 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt); 662 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt); 663 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt); 664 665 return mlcnt + llcnt + ehcnt + fwcnt; 666 } 667 668 static int aac_eh_abort(struct scsi_cmnd* cmd) 669 { 670 struct scsi_device * dev = cmd->device; 671 struct Scsi_Host * host = dev->host; 672 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 673 int count, found; 674 u32 bus, cid; 675 int ret = FAILED; 676 677 if (aac_adapter_check_health(aac)) 678 return ret; 679 680 bus = aac_logical_to_phys(scmd_channel(cmd)); 681 cid = scmd_id(cmd); 682 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) { 683 struct fib *fib; 684 struct aac_hba_tm_req *tmf; 685 int status; 686 u64 address; 687 688 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n", 689 AAC_DRIVERNAME, 690 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun); 691 692 found = 0; 693 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 694 fib = &aac->fibs[count]; 695 if (*(u8 *)fib->hw_fib_va != 0 && 696 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) && 697 (fib->callback_data == cmd)) { 698 found = 1; 699 break; 700 } 701 } 702 if (!found) 703 return ret; 704 705 /* start a HBA_TMF_ABORT_TASK TMF request */ 706 fib = aac_fib_alloc(aac); 707 if (!fib) 708 return ret; 709 710 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 711 memset(tmf, 0, sizeof(*tmf)); 712 tmf->tmf = HBA_TMF_ABORT_TASK; 713 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus; 714 tmf->lun[1] = cmd->device->lun; 715 716 address = (u64)fib->hw_error_pa; 717 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 718 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 719 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 720 721 fib->hbacmd_size = sizeof(*tmf); 722 cmd->SCp.sent_command = 0; 723 724 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib, 725 (fib_callback) aac_hba_callback, 726 (void *) cmd); 727 728 /* Wait up to 15 secs for completion */ 729 for (count = 0; count < 15; ++count) { 730 if (cmd->SCp.sent_command) { 731 ret = SUCCESS; 732 break; 733 } 734 msleep(1000); 735 } 736 737 if (ret != SUCCESS) 738 pr_err("%s: Host adapter abort request timed out\n", 739 AAC_DRIVERNAME); 740 } else { 741 pr_err( 742 "%s: Host adapter abort request.\n" 743 "%s: Outstanding commands on (%d,%d,%d,%d):\n", 744 AAC_DRIVERNAME, AAC_DRIVERNAME, 745 host->host_no, sdev_channel(dev), sdev_id(dev), 746 (int)dev->lun); 747 switch (cmd->cmnd[0]) { 748 case SERVICE_ACTION_IN_16: 749 if (!(aac->raw_io_interface) || 750 !(aac->raw_io_64) || 751 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 752 break; 753 /* fall through */ 754 case INQUIRY: 755 case READ_CAPACITY: 756 /* 757 * Mark associated FIB to not complete, 758 * eh handler does this 759 */ 760 for (count = 0; 761 count < (host->can_queue + AAC_NUM_MGT_FIB); 762 ++count) { 763 struct fib *fib = &aac->fibs[count]; 764 765 if (fib->hw_fib_va->header.XferState && 766 (fib->flags & FIB_CONTEXT_FLAG) && 767 (fib->callback_data == cmd)) { 768 fib->flags |= 769 FIB_CONTEXT_FLAG_TIMED_OUT; 770 cmd->SCp.phase = 771 AAC_OWNER_ERROR_HANDLER; 772 ret = SUCCESS; 773 } 774 } 775 break; 776 case TEST_UNIT_READY: 777 /* 778 * Mark associated FIB to not complete, 779 * eh handler does this 780 */ 781 for (count = 0; 782 count < (host->can_queue + AAC_NUM_MGT_FIB); 783 ++count) { 784 struct scsi_cmnd *command; 785 struct fib *fib = &aac->fibs[count]; 786 787 command = fib->callback_data; 788 789 if ((fib->hw_fib_va->header.XferState & 790 cpu_to_le32 791 (Async | NoResponseExpected)) && 792 (fib->flags & FIB_CONTEXT_FLAG) && 793 ((command)) && 794 (command->device == cmd->device)) { 795 fib->flags |= 796 FIB_CONTEXT_FLAG_TIMED_OUT; 797 command->SCp.phase = 798 AAC_OWNER_ERROR_HANDLER; 799 if (command == cmd) 800 ret = SUCCESS; 801 } 802 } 803 break; 804 } 805 } 806 return ret; 807 } 808 809 static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info, 810 struct fib *fib, u64 tmf_lun) 811 { 812 struct aac_hba_tm_req *tmf; 813 u64 address; 814 815 /* start a HBA_TMF_LUN_RESET TMF request */ 816 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va; 817 memset(tmf, 0, sizeof(*tmf)); 818 tmf->tmf = HBA_TMF_LUN_RESET; 819 tmf->it_nexus = info->rmw_nexus; 820 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun); 821 822 address = (u64)fib->hw_error_pa; 823 tmf->error_ptr_hi = cpu_to_le32 824 ((u32)(address >> 32)); 825 tmf->error_ptr_lo = cpu_to_le32 826 ((u32)(address & 0xffffffff)); 827 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 828 fib->hbacmd_size = sizeof(*tmf); 829 830 return HBA_IU_TYPE_SCSI_TM_REQ; 831 } 832 833 static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info, 834 struct fib *fib) 835 { 836 struct aac_hba_reset_req *rst; 837 u64 address; 838 839 /* already tried, start a hard reset now */ 840 rst = (struct aac_hba_reset_req *)fib->hw_fib_va; 841 memset(rst, 0, sizeof(*rst)); 842 rst->it_nexus = info->rmw_nexus; 843 844 address = (u64)fib->hw_error_pa; 845 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32)); 846 rst->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff)); 847 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE); 848 fib->hbacmd_size = sizeof(*rst); 849 850 return HBA_IU_TYPE_SATA_REQ; 851 } 852 853 void aac_tmf_callback(void *context, struct fib *fibptr) 854 { 855 struct aac_hba_resp *err = 856 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err; 857 struct aac_hba_map_info *info = context; 858 int res; 859 860 switch (err->service_response) { 861 case HBA_RESP_SVCRES_TMF_REJECTED: 862 res = -1; 863 break; 864 case HBA_RESP_SVCRES_TMF_LUN_INVALID: 865 res = 0; 866 break; 867 case HBA_RESP_SVCRES_TMF_COMPLETE: 868 case HBA_RESP_SVCRES_TMF_SUCCEEDED: 869 res = 0; 870 break; 871 default: 872 res = -2; 873 break; 874 } 875 aac_fib_complete(fibptr); 876 877 info->reset_state = res; 878 } 879 880 /* 881 * aac_eh_dev_reset - Device reset command handling 882 * @scsi_cmd: SCSI command block causing the reset 883 * 884 */ 885 static int aac_eh_dev_reset(struct scsi_cmnd *cmd) 886 { 887 struct scsi_device * dev = cmd->device; 888 struct Scsi_Host * host = dev->host; 889 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 890 struct aac_hba_map_info *info; 891 int count; 892 u32 bus, cid; 893 struct fib *fib; 894 int ret = FAILED; 895 int status; 896 u8 command; 897 898 bus = aac_logical_to_phys(scmd_channel(cmd)); 899 cid = scmd_id(cmd); 900 901 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 902 return FAILED; 903 904 info = &aac->hba_map[bus][cid]; 905 906 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW && 907 info->reset_state > 0) 908 return FAILED; 909 910 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 911 AAC_DRIVERNAME); 912 913 fib = aac_fib_alloc(aac); 914 if (!fib) 915 return ret; 916 917 /* start a HBA_TMF_LUN_RESET TMF request */ 918 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun); 919 920 info->reset_state = 1; 921 922 status = aac_hba_send(command, fib, 923 (fib_callback) aac_tmf_callback, 924 (void *) info); 925 926 /* Wait up to 15 seconds for completion */ 927 for (count = 0; count < 15; ++count) { 928 if (info->reset_state == 0) { 929 ret = info->reset_state == 0 ? SUCCESS : FAILED; 930 break; 931 } 932 msleep(1000); 933 } 934 935 return ret; 936 } 937 938 /* 939 * aac_eh_target_reset - Target reset command handling 940 * @scsi_cmd: SCSI command block causing the reset 941 * 942 */ 943 static int aac_eh_target_reset(struct scsi_cmnd *cmd) 944 { 945 struct scsi_device * dev = cmd->device; 946 struct Scsi_Host * host = dev->host; 947 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 948 struct aac_hba_map_info *info; 949 int count; 950 u32 bus, cid; 951 int ret = FAILED; 952 struct fib *fib; 953 int status; 954 u8 command; 955 956 bus = aac_logical_to_phys(scmd_channel(cmd)); 957 cid = scmd_id(cmd); 958 959 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS) 960 return FAILED; 961 962 info = &aac->hba_map[bus][cid]; 963 964 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW && 965 info->reset_state > 0) 966 return FAILED; 967 968 pr_err("%s: Host adapter reset request. SCSI hang ?\n", 969 AAC_DRIVERNAME); 970 971 fib = aac_fib_alloc(aac); 972 if (!fib) 973 return ret; 974 975 976 /* already tried, start a hard reset now */ 977 command = aac_eh_tmf_hard_reset_fib(info, fib); 978 979 info->reset_state = 2; 980 981 status = aac_hba_send(command, fib, 982 (fib_callback) aac_tmf_callback, 983 (void *) info); 984 985 /* Wait up to 15 seconds for completion */ 986 for (count = 0; count < 15; ++count) { 987 if (info->reset_state <= 0) { 988 ret = info->reset_state == 0 ? SUCCESS : FAILED; 989 break; 990 } 991 msleep(1000); 992 } 993 994 return ret; 995 } 996 997 /* 998 * aac_eh_bus_reset - Bus reset command handling 999 * @scsi_cmd: SCSI command block causing the reset 1000 * 1001 */ 1002 static int aac_eh_bus_reset(struct scsi_cmnd* cmd) 1003 { 1004 struct scsi_device * dev = cmd->device; 1005 struct Scsi_Host * host = dev->host; 1006 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1007 int count; 1008 u32 cmd_bus; 1009 int status = 0; 1010 1011 1012 cmd_bus = aac_logical_to_phys(scmd_channel(cmd)); 1013 /* Mark the assoc. FIB to not complete, eh handler does this */ 1014 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 1015 struct fib *fib = &aac->fibs[count]; 1016 1017 if (fib->hw_fib_va->header.XferState && 1018 (fib->flags & FIB_CONTEXT_FLAG) && 1019 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) { 1020 struct aac_hba_map_info *info; 1021 u32 bus, cid; 1022 1023 cmd = (struct scsi_cmnd *)fib->callback_data; 1024 bus = aac_logical_to_phys(scmd_channel(cmd)); 1025 if (bus != cmd_bus) 1026 continue; 1027 cid = scmd_id(cmd); 1028 info = &aac->hba_map[bus][cid]; 1029 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS || 1030 info->devtype != AAC_DEVTYPE_NATIVE_RAW) { 1031 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET; 1032 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 1033 } 1034 } 1035 } 1036 1037 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME); 1038 1039 /* 1040 * Check the health of the controller 1041 */ 1042 status = aac_adapter_check_health(aac); 1043 if (status) 1044 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status); 1045 1046 count = get_num_of_incomplete_fibs(aac); 1047 return (count == 0) ? SUCCESS : FAILED; 1048 } 1049 1050 /* 1051 * aac_eh_host_reset - Host reset command handling 1052 * @scsi_cmd: SCSI command block causing the reset 1053 * 1054 */ 1055 int aac_eh_host_reset(struct scsi_cmnd *cmd) 1056 { 1057 struct scsi_device * dev = cmd->device; 1058 struct Scsi_Host * host = dev->host; 1059 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 1060 int ret = FAILED; 1061 __le32 supported_options2 = 0; 1062 bool is_mu_reset; 1063 bool is_ignore_reset; 1064 bool is_doorbell_reset; 1065 1066 /* 1067 * Check if reset is supported by the firmware 1068 */ 1069 supported_options2 = aac->supplement_adapter_info.supported_options2; 1070 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET; 1071 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET; 1072 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET; 1073 /* 1074 * This adapter needs a blind reset, only do so for 1075 * Adapters that support a register, instead of a commanded, 1076 * reset. 1077 */ 1078 if ((is_mu_reset || is_doorbell_reset) 1079 && aac_check_reset 1080 && (aac_check_reset != -1 || !is_ignore_reset)) { 1081 /* Bypass wait for command quiesce */ 1082 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0) 1083 ret = SUCCESS; 1084 } 1085 /* 1086 * Reset EH state 1087 */ 1088 if (ret == SUCCESS) { 1089 int bus, cid; 1090 struct aac_hba_map_info *info; 1091 1092 for (bus = 0; bus < AAC_MAX_BUSES; bus++) { 1093 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) { 1094 info = &aac->hba_map[bus][cid]; 1095 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW) 1096 info->reset_state = 0; 1097 } 1098 } 1099 } 1100 return ret; 1101 } 1102 1103 /** 1104 * aac_cfg_open - open a configuration file 1105 * @inode: inode being opened 1106 * @file: file handle attached 1107 * 1108 * Called when the configuration device is opened. Does the needed 1109 * set up on the handle and then returns 1110 * 1111 * Bugs: This needs extending to check a given adapter is present 1112 * so we can support hot plugging, and to ref count adapters. 1113 */ 1114 1115 static int aac_cfg_open(struct inode *inode, struct file *file) 1116 { 1117 struct aac_dev *aac; 1118 unsigned minor_number = iminor(inode); 1119 int err = -ENODEV; 1120 1121 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 1122 list_for_each_entry(aac, &aac_devices, entry) { 1123 if (aac->id == minor_number) { 1124 file->private_data = aac; 1125 err = 0; 1126 break; 1127 } 1128 } 1129 mutex_unlock(&aac_mutex); 1130 1131 return err; 1132 } 1133 1134 /** 1135 * aac_cfg_ioctl - AAC configuration request 1136 * @inode: inode of device 1137 * @file: file handle 1138 * @cmd: ioctl command code 1139 * @arg: argument 1140 * 1141 * Handles a configuration ioctl. Currently this involves wrapping it 1142 * up and feeding it into the nasty windowsalike glue layer. 1143 * 1144 * Bugs: Needs locking against parallel ioctls lower down 1145 * Bugs: Needs to handle hot plugging 1146 */ 1147 1148 static long aac_cfg_ioctl(struct file *file, 1149 unsigned int cmd, unsigned long arg) 1150 { 1151 struct aac_dev *aac = (struct aac_dev *)file->private_data; 1152 1153 if (!capable(CAP_SYS_RAWIO)) 1154 return -EPERM; 1155 1156 return aac_do_ioctl(aac, cmd, (void __user *)arg); 1157 } 1158 1159 #ifdef CONFIG_COMPAT 1160 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 1161 { 1162 long ret; 1163 switch (cmd) { 1164 case FSACTL_MINIPORT_REV_CHECK: 1165 case FSACTL_SENDFIB: 1166 case FSACTL_OPEN_GET_ADAPTER_FIB: 1167 case FSACTL_CLOSE_GET_ADAPTER_FIB: 1168 case FSACTL_SEND_RAW_SRB: 1169 case FSACTL_GET_PCI_INFO: 1170 case FSACTL_QUERY_DISK: 1171 case FSACTL_DELETE_DISK: 1172 case FSACTL_FORCE_DELETE_DISK: 1173 case FSACTL_GET_CONTAINERS: 1174 case FSACTL_SEND_LARGE_FIB: 1175 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 1176 break; 1177 1178 case FSACTL_GET_NEXT_ADAPTER_FIB: { 1179 struct fib_ioctl __user *f; 1180 1181 f = compat_alloc_user_space(sizeof(*f)); 1182 ret = 0; 1183 if (clear_user(f, sizeof(*f))) 1184 ret = -EFAULT; 1185 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 1186 ret = -EFAULT; 1187 if (!ret) 1188 ret = aac_do_ioctl(dev, cmd, f); 1189 break; 1190 } 1191 1192 default: 1193 ret = -ENOIOCTLCMD; 1194 break; 1195 } 1196 return ret; 1197 } 1198 1199 static int aac_compat_ioctl(struct scsi_device *sdev, unsigned int cmd, 1200 void __user *arg) 1201 { 1202 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 1203 if (!capable(CAP_SYS_RAWIO)) 1204 return -EPERM; 1205 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 1206 } 1207 1208 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 1209 { 1210 if (!capable(CAP_SYS_RAWIO)) 1211 return -EPERM; 1212 return aac_compat_do_ioctl(file->private_data, cmd, arg); 1213 } 1214 #endif 1215 1216 static ssize_t aac_show_model(struct device *device, 1217 struct device_attribute *attr, char *buf) 1218 { 1219 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1220 int len; 1221 1222 if (dev->supplement_adapter_info.adapter_type_text[0]) { 1223 char *cp = dev->supplement_adapter_info.adapter_type_text; 1224 while (*cp && *cp != ' ') 1225 ++cp; 1226 while (*cp == ' ') 1227 ++cp; 1228 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 1229 } else 1230 len = snprintf(buf, PAGE_SIZE, "%s\n", 1231 aac_drivers[dev->cardtype].model); 1232 return len; 1233 } 1234 1235 static ssize_t aac_show_vendor(struct device *device, 1236 struct device_attribute *attr, char *buf) 1237 { 1238 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1239 struct aac_supplement_adapter_info *sup_adap_info; 1240 int len; 1241 1242 sup_adap_info = &dev->supplement_adapter_info; 1243 if (sup_adap_info->adapter_type_text[0]) { 1244 char *cp = sup_adap_info->adapter_type_text; 1245 while (*cp && *cp != ' ') 1246 ++cp; 1247 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 1248 (int)(cp - (char *)sup_adap_info->adapter_type_text), 1249 sup_adap_info->adapter_type_text); 1250 } else 1251 len = snprintf(buf, PAGE_SIZE, "%s\n", 1252 aac_drivers[dev->cardtype].vname); 1253 return len; 1254 } 1255 1256 static ssize_t aac_show_flags(struct device *cdev, 1257 struct device_attribute *attr, char *buf) 1258 { 1259 int len = 0; 1260 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 1261 1262 if (nblank(dprintk(x))) 1263 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 1264 #ifdef AAC_DETAILED_STATUS_INFO 1265 len += snprintf(buf + len, PAGE_SIZE - len, 1266 "AAC_DETAILED_STATUS_INFO\n"); 1267 #endif 1268 if (dev->raw_io_interface && dev->raw_io_64) 1269 len += snprintf(buf + len, PAGE_SIZE - len, 1270 "SAI_READ_CAPACITY_16\n"); 1271 if (dev->jbod) 1272 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 1273 if (dev->supplement_adapter_info.supported_options2 & 1274 AAC_OPTION_POWER_MANAGEMENT) 1275 len += snprintf(buf + len, PAGE_SIZE - len, 1276 "SUPPORTED_POWER_MANAGEMENT\n"); 1277 if (dev->msi) 1278 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 1279 return len; 1280 } 1281 1282 static ssize_t aac_show_kernel_version(struct device *device, 1283 struct device_attribute *attr, 1284 char *buf) 1285 { 1286 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1287 int len, tmp; 1288 1289 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 1290 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1291 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1292 le32_to_cpu(dev->adapter_info.kernelbuild)); 1293 return len; 1294 } 1295 1296 static ssize_t aac_show_monitor_version(struct device *device, 1297 struct device_attribute *attr, 1298 char *buf) 1299 { 1300 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1301 int len, tmp; 1302 1303 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 1304 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1305 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1306 le32_to_cpu(dev->adapter_info.monitorbuild)); 1307 return len; 1308 } 1309 1310 static ssize_t aac_show_bios_version(struct device *device, 1311 struct device_attribute *attr, 1312 char *buf) 1313 { 1314 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1315 int len, tmp; 1316 1317 tmp = le32_to_cpu(dev->adapter_info.biosrev); 1318 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 1319 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 1320 le32_to_cpu(dev->adapter_info.biosbuild)); 1321 return len; 1322 } 1323 1324 static ssize_t aac_show_driver_version(struct device *device, 1325 struct device_attribute *attr, 1326 char *buf) 1327 { 1328 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version); 1329 } 1330 1331 static ssize_t aac_show_serial_number(struct device *device, 1332 struct device_attribute *attr, char *buf) 1333 { 1334 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1335 int len = 0; 1336 1337 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 1338 len = snprintf(buf, 16, "%06X\n", 1339 le32_to_cpu(dev->adapter_info.serial[0])); 1340 if (len && 1341 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[ 1342 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len], 1343 buf, len-1)) 1344 len = snprintf(buf, 16, "%.*s\n", 1345 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no), 1346 dev->supplement_adapter_info.mfg_pcba_serial_no); 1347 1348 return min(len, 16); 1349 } 1350 1351 static ssize_t aac_show_max_channel(struct device *device, 1352 struct device_attribute *attr, char *buf) 1353 { 1354 return snprintf(buf, PAGE_SIZE, "%d\n", 1355 class_to_shost(device)->max_channel); 1356 } 1357 1358 static ssize_t aac_show_max_id(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_id); 1363 } 1364 1365 static ssize_t aac_store_reset_adapter(struct device *device, 1366 struct device_attribute *attr, 1367 const char *buf, size_t count) 1368 { 1369 int retval = -EACCES; 1370 1371 if (!capable(CAP_SYS_ADMIN)) 1372 return retval; 1373 1374 retval = aac_reset_adapter(shost_priv(class_to_shost(device)), 1375 buf[0] == '!', IOP_HWSOFT_RESET); 1376 if (retval >= 0) 1377 retval = count; 1378 1379 return retval; 1380 } 1381 1382 static ssize_t aac_show_reset_adapter(struct device *device, 1383 struct device_attribute *attr, 1384 char *buf) 1385 { 1386 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 1387 int len, tmp; 1388 1389 tmp = aac_adapter_check_health(dev); 1390 if ((tmp == 0) && dev->in_reset) 1391 tmp = -EBUSY; 1392 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 1393 return len; 1394 } 1395 1396 static struct device_attribute aac_model = { 1397 .attr = { 1398 .name = "model", 1399 .mode = S_IRUGO, 1400 }, 1401 .show = aac_show_model, 1402 }; 1403 static struct device_attribute aac_vendor = { 1404 .attr = { 1405 .name = "vendor", 1406 .mode = S_IRUGO, 1407 }, 1408 .show = aac_show_vendor, 1409 }; 1410 static struct device_attribute aac_flags = { 1411 .attr = { 1412 .name = "flags", 1413 .mode = S_IRUGO, 1414 }, 1415 .show = aac_show_flags, 1416 }; 1417 static struct device_attribute aac_kernel_version = { 1418 .attr = { 1419 .name = "hba_kernel_version", 1420 .mode = S_IRUGO, 1421 }, 1422 .show = aac_show_kernel_version, 1423 }; 1424 static struct device_attribute aac_monitor_version = { 1425 .attr = { 1426 .name = "hba_monitor_version", 1427 .mode = S_IRUGO, 1428 }, 1429 .show = aac_show_monitor_version, 1430 }; 1431 static struct device_attribute aac_bios_version = { 1432 .attr = { 1433 .name = "hba_bios_version", 1434 .mode = S_IRUGO, 1435 }, 1436 .show = aac_show_bios_version, 1437 }; 1438 static struct device_attribute aac_lld_version = { 1439 .attr = { 1440 .name = "driver_version", 1441 .mode = 0444, 1442 }, 1443 .show = aac_show_driver_version, 1444 }; 1445 static struct device_attribute aac_serial_number = { 1446 .attr = { 1447 .name = "serial_number", 1448 .mode = S_IRUGO, 1449 }, 1450 .show = aac_show_serial_number, 1451 }; 1452 static struct device_attribute aac_max_channel = { 1453 .attr = { 1454 .name = "max_channel", 1455 .mode = S_IRUGO, 1456 }, 1457 .show = aac_show_max_channel, 1458 }; 1459 static struct device_attribute aac_max_id = { 1460 .attr = { 1461 .name = "max_id", 1462 .mode = S_IRUGO, 1463 }, 1464 .show = aac_show_max_id, 1465 }; 1466 static struct device_attribute aac_reset = { 1467 .attr = { 1468 .name = "reset_host", 1469 .mode = S_IWUSR|S_IRUGO, 1470 }, 1471 .store = aac_store_reset_adapter, 1472 .show = aac_show_reset_adapter, 1473 }; 1474 1475 static struct device_attribute *aac_attrs[] = { 1476 &aac_model, 1477 &aac_vendor, 1478 &aac_flags, 1479 &aac_kernel_version, 1480 &aac_monitor_version, 1481 &aac_bios_version, 1482 &aac_lld_version, 1483 &aac_serial_number, 1484 &aac_max_channel, 1485 &aac_max_id, 1486 &aac_reset, 1487 NULL 1488 }; 1489 1490 ssize_t aac_get_serial_number(struct device *device, char *buf) 1491 { 1492 return aac_show_serial_number(device, &aac_serial_number, buf); 1493 } 1494 1495 static const struct file_operations aac_cfg_fops = { 1496 .owner = THIS_MODULE, 1497 .unlocked_ioctl = aac_cfg_ioctl, 1498 #ifdef CONFIG_COMPAT 1499 .compat_ioctl = aac_compat_cfg_ioctl, 1500 #endif 1501 .open = aac_cfg_open, 1502 .llseek = noop_llseek, 1503 }; 1504 1505 static struct scsi_host_template aac_driver_template = { 1506 .module = THIS_MODULE, 1507 .name = "AAC", 1508 .proc_name = AAC_DRIVERNAME, 1509 .info = aac_info, 1510 .ioctl = aac_ioctl, 1511 #ifdef CONFIG_COMPAT 1512 .compat_ioctl = aac_compat_ioctl, 1513 #endif 1514 .queuecommand = aac_queuecommand, 1515 .bios_param = aac_biosparm, 1516 .shost_attrs = aac_attrs, 1517 .slave_configure = aac_slave_configure, 1518 .change_queue_depth = aac_change_queue_depth, 1519 .sdev_attrs = aac_dev_attrs, 1520 .eh_abort_handler = aac_eh_abort, 1521 .eh_device_reset_handler = aac_eh_dev_reset, 1522 .eh_target_reset_handler = aac_eh_target_reset, 1523 .eh_bus_reset_handler = aac_eh_bus_reset, 1524 .eh_host_reset_handler = aac_eh_host_reset, 1525 .can_queue = AAC_NUM_IO_FIB, 1526 .this_id = MAXIMUM_NUM_CONTAINERS, 1527 .sg_tablesize = 16, 1528 .max_sectors = 128, 1529 #if (AAC_NUM_IO_FIB > 256) 1530 .cmd_per_lun = 256, 1531 #else 1532 .cmd_per_lun = AAC_NUM_IO_FIB, 1533 #endif 1534 .emulated = 1, 1535 .no_write_same = 1, 1536 }; 1537 1538 static void __aac_shutdown(struct aac_dev * aac) 1539 { 1540 int i; 1541 1542 mutex_lock(&aac->ioctl_mutex); 1543 aac->adapter_shutdown = 1; 1544 mutex_unlock(&aac->ioctl_mutex); 1545 1546 if (aac->aif_thread) { 1547 int i; 1548 /* Clear out events first */ 1549 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) { 1550 struct fib *fib = &aac->fibs[i]; 1551 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) && 1552 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected))) 1553 complete(&fib->event_wait); 1554 } 1555 kthread_stop(aac->thread); 1556 aac->thread = NULL; 1557 } 1558 1559 aac_send_shutdown(aac); 1560 1561 aac_adapter_disable_int(aac); 1562 1563 if (aac_is_src(aac)) { 1564 if (aac->max_msix > 1) { 1565 for (i = 0; i < aac->max_msix; i++) { 1566 free_irq(pci_irq_vector(aac->pdev, i), 1567 &(aac->aac_msix[i])); 1568 } 1569 } else { 1570 free_irq(aac->pdev->irq, 1571 &(aac->aac_msix[0])); 1572 } 1573 } else { 1574 free_irq(aac->pdev->irq, aac); 1575 } 1576 if (aac->msi) 1577 pci_disable_msi(aac->pdev); 1578 else if (aac->max_msix > 1) 1579 pci_disable_msix(aac->pdev); 1580 } 1581 static void aac_init_char(void) 1582 { 1583 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops); 1584 if (aac_cfg_major < 0) { 1585 pr_err("aacraid: unable to register \"aac\" device.\n"); 1586 } 1587 } 1588 1589 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) 1590 { 1591 unsigned index = id->driver_data; 1592 struct Scsi_Host *shost; 1593 struct aac_dev *aac; 1594 struct list_head *insert = &aac_devices; 1595 int error = -ENODEV; 1596 int unique_id = 0; 1597 u64 dmamask; 1598 int mask_bits = 0; 1599 extern int aac_sync_mode; 1600 1601 /* 1602 * Only series 7 needs freset. 1603 */ 1604 if (pdev->device == PMC_DEVICE_S7) 1605 pdev->needs_freset = 1; 1606 1607 list_for_each_entry(aac, &aac_devices, entry) { 1608 if (aac->id > unique_id) 1609 break; 1610 insert = &aac->entry; 1611 unique_id++; 1612 } 1613 1614 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | 1615 PCIE_LINK_STATE_CLKPM); 1616 1617 error = pci_enable_device(pdev); 1618 if (error) 1619 goto out; 1620 error = -ENODEV; 1621 1622 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) { 1623 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 1624 if (error) { 1625 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed"); 1626 goto out_disable_pdev; 1627 } 1628 } 1629 1630 /* 1631 * If the quirk31 bit is set, the adapter needs adapter 1632 * to driver communication memory to be allocated below 2gig 1633 */ 1634 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) { 1635 dmamask = DMA_BIT_MASK(31); 1636 mask_bits = 31; 1637 } else { 1638 dmamask = DMA_BIT_MASK(32); 1639 mask_bits = 32; 1640 } 1641 1642 error = pci_set_consistent_dma_mask(pdev, dmamask); 1643 if (error) { 1644 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n" 1645 , mask_bits); 1646 goto out_disable_pdev; 1647 } 1648 1649 pci_set_master(pdev); 1650 1651 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1652 if (!shost) 1653 goto out_disable_pdev; 1654 1655 shost->irq = pdev->irq; 1656 shost->unique_id = unique_id; 1657 shost->max_cmd_len = 16; 1658 shost->use_cmd_list = 1; 1659 1660 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT) 1661 aac_init_char(); 1662 1663 aac = (struct aac_dev *)shost->hostdata; 1664 aac->base_start = pci_resource_start(pdev, 0); 1665 aac->scsi_host_ptr = shost; 1666 aac->pdev = pdev; 1667 aac->name = aac_driver_template.name; 1668 aac->id = shost->unique_id; 1669 aac->cardtype = index; 1670 INIT_LIST_HEAD(&aac->entry); 1671 1672 if (aac_reset_devices || reset_devices) 1673 aac->init_reset = true; 1674 1675 aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB, 1676 sizeof(struct fib), 1677 GFP_KERNEL); 1678 if (!aac->fibs) 1679 goto out_free_host; 1680 spin_lock_init(&aac->fib_lock); 1681 1682 mutex_init(&aac->ioctl_mutex); 1683 mutex_init(&aac->scan_mutex); 1684 1685 INIT_DELAYED_WORK(&aac->safw_rescan_work, aac_safw_rescan_worker); 1686 /* 1687 * Map in the registers from the adapter. 1688 */ 1689 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1690 if ((*aac_drivers[index].init)(aac)) { 1691 error = -ENODEV; 1692 goto out_unmap; 1693 } 1694 1695 if (aac->sync_mode) { 1696 if (aac_sync_mode) 1697 printk(KERN_INFO "%s%d: Sync. mode enforced " 1698 "by driver parameter. This will cause " 1699 "a significant performance decrease!\n", 1700 aac->name, 1701 aac->id); 1702 else 1703 printk(KERN_INFO "%s%d: Async. mode not supported " 1704 "by current driver, sync. mode enforced." 1705 "\nPlease update driver to get full performance.\n", 1706 aac->name, 1707 aac->id); 1708 } 1709 1710 /* 1711 * Start any kernel threads needed 1712 */ 1713 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1714 if (IS_ERR(aac->thread)) { 1715 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1716 error = PTR_ERR(aac->thread); 1717 aac->thread = NULL; 1718 goto out_deinit; 1719 } 1720 1721 aac->maximum_num_channels = aac_drivers[index].channels; 1722 error = aac_get_adapter_info(aac); 1723 if (error < 0) 1724 goto out_deinit; 1725 1726 /* 1727 * Lets override negotiations and drop the maximum SG limit to 34 1728 */ 1729 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1730 (shost->sg_tablesize > 34)) { 1731 shost->sg_tablesize = 34; 1732 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1733 } 1734 1735 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1736 (shost->sg_tablesize > 17)) { 1737 shost->sg_tablesize = 17; 1738 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1739 } 1740 1741 if (aac->adapter_info.options & AAC_OPT_NEW_COMM) 1742 shost->max_segment_size = shost->max_sectors << 9; 1743 else 1744 shost->max_segment_size = 65536; 1745 1746 /* 1747 * Firmware printf works only with older firmware. 1748 */ 1749 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1750 aac->printf_enabled = 1; 1751 else 1752 aac->printf_enabled = 0; 1753 1754 /* 1755 * max channel will be the physical channels plus 1 virtual channel 1756 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1757 * physical channels are address by their actual physical number+1 1758 */ 1759 if (aac->nondasd_support || expose_physicals || aac->jbod) 1760 shost->max_channel = aac->maximum_num_channels; 1761 else 1762 shost->max_channel = 0; 1763 1764 aac_get_config_status(aac, 0); 1765 aac_get_containers(aac); 1766 list_add(&aac->entry, insert); 1767 1768 shost->max_id = aac->maximum_num_containers; 1769 if (shost->max_id < aac->maximum_num_physicals) 1770 shost->max_id = aac->maximum_num_physicals; 1771 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1772 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1773 else 1774 shost->this_id = shost->max_id; 1775 1776 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC) 1777 aac_intr_normal(aac, 0, 2, 0, NULL); 1778 1779 /* 1780 * dmb - we may need to move the setting of these parms somewhere else once 1781 * we get a fib that can report the actual numbers 1782 */ 1783 shost->max_lun = AAC_MAX_LUN; 1784 1785 pci_set_drvdata(pdev, shost); 1786 1787 error = scsi_add_host(shost, &pdev->dev); 1788 if (error) 1789 goto out_deinit; 1790 1791 aac_scan_host(aac); 1792 1793 pci_enable_pcie_error_reporting(pdev); 1794 pci_save_state(pdev); 1795 1796 return 0; 1797 1798 out_deinit: 1799 __aac_shutdown(aac); 1800 out_unmap: 1801 aac_fib_map_free(aac); 1802 if (aac->comm_addr) 1803 dma_free_coherent(&aac->pdev->dev, aac->comm_size, 1804 aac->comm_addr, aac->comm_phys); 1805 kfree(aac->queues); 1806 aac_adapter_ioremap(aac, 0); 1807 kfree(aac->fibs); 1808 kfree(aac->fsa_dev); 1809 out_free_host: 1810 scsi_host_put(shost); 1811 out_disable_pdev: 1812 pci_disable_device(pdev); 1813 out: 1814 return error; 1815 } 1816 1817 static void aac_release_resources(struct aac_dev *aac) 1818 { 1819 aac_adapter_disable_int(aac); 1820 aac_free_irq(aac); 1821 } 1822 1823 static int aac_acquire_resources(struct aac_dev *dev) 1824 { 1825 unsigned long status; 1826 /* 1827 * First clear out all interrupts. Then enable the one's that we 1828 * can handle. 1829 */ 1830 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING) 1831 || status == 0xffffffff) 1832 msleep(20); 1833 1834 aac_adapter_disable_int(dev); 1835 aac_adapter_enable_int(dev); 1836 1837 1838 if (aac_is_src(dev)) 1839 aac_define_int_mode(dev); 1840 1841 if (dev->msi_enabled) 1842 aac_src_access_devreg(dev, AAC_ENABLE_MSIX); 1843 1844 if (aac_acquire_irq(dev)) 1845 goto error_iounmap; 1846 1847 aac_adapter_enable_int(dev); 1848 1849 /*max msix may change after EEH 1850 * Re-assign vectors to fibs 1851 */ 1852 aac_fib_vector_assign(dev); 1853 1854 if (!dev->sync_mode) { 1855 /* After EEH recovery or suspend resume, max_msix count 1856 * may change, therefore updating in init as well. 1857 */ 1858 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix); 1859 aac_adapter_start(dev); 1860 } 1861 return 0; 1862 1863 error_iounmap: 1864 return -1; 1865 1866 } 1867 1868 #if (defined(CONFIG_PM)) 1869 static int aac_suspend(struct pci_dev *pdev, pm_message_t state) 1870 { 1871 1872 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1873 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1874 1875 scsi_block_requests(shost); 1876 aac_cancel_safw_rescan_worker(aac); 1877 aac_send_shutdown(aac); 1878 1879 aac_release_resources(aac); 1880 1881 pci_set_drvdata(pdev, shost); 1882 pci_save_state(pdev); 1883 pci_disable_device(pdev); 1884 pci_set_power_state(pdev, pci_choose_state(pdev, state)); 1885 1886 return 0; 1887 } 1888 1889 static int aac_resume(struct pci_dev *pdev) 1890 { 1891 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1892 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1893 int r; 1894 1895 pci_set_power_state(pdev, PCI_D0); 1896 pci_enable_wake(pdev, PCI_D0, 0); 1897 pci_restore_state(pdev); 1898 r = pci_enable_device(pdev); 1899 1900 if (r) 1901 goto fail_device; 1902 1903 pci_set_master(pdev); 1904 if (aac_acquire_resources(aac)) 1905 goto fail_device; 1906 /* 1907 * reset this flag to unblock ioctl() as it was set at 1908 * aac_send_shutdown() to block ioctls from upperlayer 1909 */ 1910 aac->adapter_shutdown = 0; 1911 scsi_unblock_requests(shost); 1912 1913 return 0; 1914 1915 fail_device: 1916 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id); 1917 scsi_host_put(shost); 1918 pci_disable_device(pdev); 1919 return -ENODEV; 1920 } 1921 #endif 1922 1923 static void aac_shutdown(struct pci_dev *dev) 1924 { 1925 struct Scsi_Host *shost = pci_get_drvdata(dev); 1926 scsi_block_requests(shost); 1927 __aac_shutdown((struct aac_dev *)shost->hostdata); 1928 } 1929 1930 static void aac_remove_one(struct pci_dev *pdev) 1931 { 1932 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1933 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1934 1935 aac_cancel_safw_rescan_worker(aac); 1936 scsi_remove_host(shost); 1937 1938 __aac_shutdown(aac); 1939 aac_fib_map_free(aac); 1940 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr, 1941 aac->comm_phys); 1942 kfree(aac->queues); 1943 1944 aac_adapter_ioremap(aac, 0); 1945 1946 kfree(aac->fibs); 1947 kfree(aac->fsa_dev); 1948 1949 list_del(&aac->entry); 1950 scsi_host_put(shost); 1951 pci_disable_device(pdev); 1952 if (list_empty(&aac_devices)) { 1953 unregister_chrdev(aac_cfg_major, "aac"); 1954 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT; 1955 } 1956 } 1957 1958 static void aac_flush_ios(struct aac_dev *aac) 1959 { 1960 int i; 1961 struct scsi_cmnd *cmd; 1962 1963 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) { 1964 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data; 1965 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) { 1966 scsi_dma_unmap(cmd); 1967 1968 if (aac->handle_pci_error) 1969 cmd->result = DID_NO_CONNECT << 16; 1970 else 1971 cmd->result = DID_RESET << 16; 1972 1973 cmd->scsi_done(cmd); 1974 } 1975 } 1976 } 1977 1978 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev, 1979 enum pci_channel_state error) 1980 { 1981 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1982 struct aac_dev *aac = shost_priv(shost); 1983 1984 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error); 1985 1986 switch (error) { 1987 case pci_channel_io_normal: 1988 return PCI_ERS_RESULT_CAN_RECOVER; 1989 case pci_channel_io_frozen: 1990 aac->handle_pci_error = 1; 1991 1992 scsi_block_requests(aac->scsi_host_ptr); 1993 aac_cancel_safw_rescan_worker(aac); 1994 aac_flush_ios(aac); 1995 aac_release_resources(aac); 1996 1997 pci_disable_pcie_error_reporting(pdev); 1998 aac_adapter_ioremap(aac, 0); 1999 2000 return PCI_ERS_RESULT_NEED_RESET; 2001 case pci_channel_io_perm_failure: 2002 aac->handle_pci_error = 1; 2003 2004 aac_flush_ios(aac); 2005 return PCI_ERS_RESULT_DISCONNECT; 2006 } 2007 2008 return PCI_ERS_RESULT_NEED_RESET; 2009 } 2010 2011 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev) 2012 { 2013 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n"); 2014 return PCI_ERS_RESULT_NEED_RESET; 2015 } 2016 2017 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev) 2018 { 2019 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n"); 2020 pci_restore_state(pdev); 2021 if (pci_enable_device(pdev)) { 2022 dev_warn(&pdev->dev, 2023 "aacraid: failed to enable slave\n"); 2024 goto fail_device; 2025 } 2026 2027 pci_set_master(pdev); 2028 2029 if (pci_enable_device_mem(pdev)) { 2030 dev_err(&pdev->dev, "pci_enable_device_mem failed\n"); 2031 goto fail_device; 2032 } 2033 2034 return PCI_ERS_RESULT_RECOVERED; 2035 2036 fail_device: 2037 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n"); 2038 return PCI_ERS_RESULT_DISCONNECT; 2039 } 2040 2041 2042 static void aac_pci_resume(struct pci_dev *pdev) 2043 { 2044 struct Scsi_Host *shost = pci_get_drvdata(pdev); 2045 struct scsi_device *sdev = NULL; 2046 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost); 2047 2048 if (aac_adapter_ioremap(aac, aac->base_size)) { 2049 2050 dev_err(&pdev->dev, "aacraid: ioremap failed\n"); 2051 /* remap failed, go back ... */ 2052 aac->comm_interface = AAC_COMM_PRODUCER; 2053 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) { 2054 dev_warn(&pdev->dev, 2055 "aacraid: unable to map adapter.\n"); 2056 2057 return; 2058 } 2059 } 2060 2061 msleep(10000); 2062 2063 aac_acquire_resources(aac); 2064 2065 /* 2066 * reset this flag to unblock ioctl() as it was set 2067 * at aac_send_shutdown() to block ioctls from upperlayer 2068 */ 2069 aac->adapter_shutdown = 0; 2070 aac->handle_pci_error = 0; 2071 2072 shost_for_each_device(sdev, shost) 2073 if (sdev->sdev_state == SDEV_OFFLINE) 2074 sdev->sdev_state = SDEV_RUNNING; 2075 scsi_unblock_requests(aac->scsi_host_ptr); 2076 aac_scan_host(aac); 2077 pci_save_state(pdev); 2078 2079 dev_err(&pdev->dev, "aacraid: PCI error - resume\n"); 2080 } 2081 2082 static struct pci_error_handlers aac_pci_err_handler = { 2083 .error_detected = aac_pci_error_detected, 2084 .mmio_enabled = aac_pci_mmio_enabled, 2085 .slot_reset = aac_pci_slot_reset, 2086 .resume = aac_pci_resume, 2087 }; 2088 2089 static struct pci_driver aac_pci_driver = { 2090 .name = AAC_DRIVERNAME, 2091 .id_table = aac_pci_tbl, 2092 .probe = aac_probe_one, 2093 .remove = aac_remove_one, 2094 #if (defined(CONFIG_PM)) 2095 .suspend = aac_suspend, 2096 .resume = aac_resume, 2097 #endif 2098 .shutdown = aac_shutdown, 2099 .err_handler = &aac_pci_err_handler, 2100 }; 2101 2102 static int __init aac_init(void) 2103 { 2104 int error; 2105 2106 printk(KERN_INFO "Adaptec %s driver %s\n", 2107 AAC_DRIVERNAME, aac_driver_version); 2108 2109 error = pci_register_driver(&aac_pci_driver); 2110 if (error < 0) 2111 return error; 2112 2113 aac_init_char(); 2114 2115 2116 return 0; 2117 } 2118 2119 static void __exit aac_exit(void) 2120 { 2121 if (aac_cfg_major > -1) 2122 unregister_chrdev(aac_cfg_major, "aac"); 2123 pci_unregister_driver(&aac_pci_driver); 2124 } 2125 2126 module_init(aac_init); 2127 module_exit(aac_exit); 2128