linit.c revision f281233d3eba15fb225d21ae2e228fd4553d824a
1/* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. 4 * 5 * based on the old aacraid driver that is.. 6 * Adaptec aacraid device driver for Linux. 7 * 8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com) 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2, or (at your option) 13 * any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; see the file COPYING. If not, write to 22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 23 * 24 * Module Name: 25 * linit.c 26 * 27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller 28 */ 29 30 31#include <linux/compat.h> 32#include <linux/blkdev.h> 33#include <linux/completion.h> 34#include <linux/init.h> 35#include <linux/interrupt.h> 36#include <linux/kernel.h> 37#include <linux/module.h> 38#include <linux/moduleparam.h> 39#include <linux/pci.h> 40#include <linux/slab.h> 41#include <linux/mutex.h> 42#include <linux/spinlock.h> 43#include <linux/syscalls.h> 44#include <linux/delay.h> 45#include <linux/kthread.h> 46 47#include <scsi/scsi.h> 48#include <scsi/scsi_cmnd.h> 49#include <scsi/scsi_device.h> 50#include <scsi/scsi_host.h> 51#include <scsi/scsi_tcq.h> 52#include <scsi/scsicam.h> 53#include <scsi/scsi_eh.h> 54 55#include "aacraid.h" 56 57#define AAC_DRIVER_VERSION "1.1-5" 58#ifndef AAC_DRIVER_BRANCH 59#define AAC_DRIVER_BRANCH "" 60#endif 61#define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__ 62#define AAC_DRIVERNAME "aacraid" 63 64#ifdef AAC_DRIVER_BUILD 65#define _str(x) #x 66#define str(x) _str(x) 67#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH 68#else 69#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE 70#endif 71 72MODULE_AUTHOR("Red Hat Inc and Adaptec"); 73MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, " 74 "Adaptec Advanced Raid Products, " 75 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver"); 76MODULE_LICENSE("GPL"); 77MODULE_VERSION(AAC_DRIVER_FULL_VERSION); 78 79static DEFINE_MUTEX(aac_mutex); 80static LIST_HEAD(aac_devices); 81static int aac_cfg_major = -1; 82char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 83 84/* 85 * Because of the way Linux names scsi devices, the order in this table has 86 * become important. Check for on-board Raid first, add-in cards second. 87 * 88 * Note: The last field is used to index into aac_drivers below. 89 */ 90#ifdef DECLARE_PCI_DEVICE_TABLE 91static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = { 92#elif defined(__devinitconst) 93static const struct pci_device_id aac_pci_tbl[] __devinitconst = { 94#else 95static const struct pci_device_id aac_pci_tbl[] __devinitdata = { 96#endif 97 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 98 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 99 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 100 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 101 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 102 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 103 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 104 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 105 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 106 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 107 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 108 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 109 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 110 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 111 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 112 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 113 114 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 115 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 116 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 117 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 118 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 120 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 121 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 122 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 123 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 124 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 125 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 126 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 127 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 128 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 129 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 130 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 131 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 132 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 133 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 134 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 135 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 136 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 137 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 138 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 139 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 140 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 141 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 142 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 143 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 144 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 145 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 146 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 147 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 148 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 149 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 150 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 151 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 152 153 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 154 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 155 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 156 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 157 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 158 159 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 160 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 161 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 162 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 163 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 164 { 0,} 165}; 166MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 167 168/* 169 * dmb - For now we add the number of channels to this structure. 170 * In the future we should add a fib that reports the number of channels 171 * for the card. At that time we can remove the channels from here 172 */ 173static struct aac_driver_ident aac_drivers[] = { 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 183 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 184 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 188 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 189 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */ 190 191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 205 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 206 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 207 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 209 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 213 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 227 228 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 229 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 230 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 233 234 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 235 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */ 236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */ 239}; 240 241/** 242 * aac_queuecommand - queue a SCSI command 243 * @cmd: SCSI command to queue 244 * @done: Function to call on command completion 245 * 246 * Queues a command for execution by the associated Host Adapter. 247 * 248 * TODO: unify with aac_scsi_cmd(). 249 */ 250 251static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 252{ 253 struct Scsi_Host *host = cmd->device->host; 254 struct aac_dev *dev = (struct aac_dev *)host->hostdata; 255 u32 count = 0; 256 cmd->scsi_done = done; 257 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 258 struct fib * fib = &dev->fibs[count]; 259 struct scsi_cmnd * command; 260 if (fib->hw_fib_va->header.XferState && 261 ((command = fib->callback_data)) && 262 (command == cmd) && 263 (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) 264 return 0; /* Already owned by Adapter */ 265 } 266 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 267 return (aac_scsi_cmd(cmd) ? FAILED : 0); 268} 269 270static DEF_SCSI_QCMD(aac_queuecommand) 271 272/** 273 * aac_info - Returns the host adapter name 274 * @shost: Scsi host to report on 275 * 276 * Returns a static string describing the device in question 277 */ 278 279static const char *aac_info(struct Scsi_Host *shost) 280{ 281 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 282 return aac_drivers[dev->cardtype].name; 283} 284 285/** 286 * aac_get_driver_ident 287 * @devtype: index into lookup table 288 * 289 * Returns a pointer to the entry in the driver lookup table. 290 */ 291 292struct aac_driver_ident* aac_get_driver_ident(int devtype) 293{ 294 return &aac_drivers[devtype]; 295} 296 297/** 298 * aac_biosparm - return BIOS parameters for disk 299 * @sdev: The scsi device corresponding to the disk 300 * @bdev: the block device corresponding to the disk 301 * @capacity: the sector capacity of the disk 302 * @geom: geometry block to fill in 303 * 304 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 305 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 306 * number of cylinders so as not to exceed drive capacity. In order for 307 * disks equal to or larger than 1 GB to be addressable by the BIOS 308 * without exceeding the BIOS limitation of 1024 cylinders, Extended 309 * Translation should be enabled. With Extended Translation enabled, 310 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 311 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 312 * are given a disk geometry of 255 heads and 63 sectors. However, if 313 * the BIOS detects that the Extended Translation setting does not match 314 * the geometry in the partition table, then the translation inferred 315 * from the partition table will be used by the BIOS, and a warning may 316 * be displayed. 317 */ 318 319static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 320 sector_t capacity, int *geom) 321{ 322 struct diskparm *param = (struct diskparm *)geom; 323 unsigned char *buf; 324 325 dprintk((KERN_DEBUG "aac_biosparm.\n")); 326 327 /* 328 * Assuming extended translation is enabled - #REVISIT# 329 */ 330 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 331 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 332 param->heads = 255; 333 param->sectors = 63; 334 } else { 335 param->heads = 128; 336 param->sectors = 32; 337 } 338 } else { 339 param->heads = 64; 340 param->sectors = 32; 341 } 342 343 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 344 345 /* 346 * Read the first 1024 bytes from the disk device, if the boot 347 * sector partition table is valid, search for a partition table 348 * entry whose end_head matches one of the standard geometry 349 * translations ( 64/32, 128/32, 255/63 ). 350 */ 351 buf = scsi_bios_ptable(bdev); 352 if (!buf) 353 return 0; 354 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 355 struct partition *first = (struct partition * )buf; 356 struct partition *entry = first; 357 int saved_cylinders = param->cylinders; 358 int num; 359 unsigned char end_head, end_sec; 360 361 for(num = 0; num < 4; num++) { 362 end_head = entry->end_head; 363 end_sec = entry->end_sector & 0x3f; 364 365 if(end_head == 63) { 366 param->heads = 64; 367 param->sectors = 32; 368 break; 369 } else if(end_head == 127) { 370 param->heads = 128; 371 param->sectors = 32; 372 break; 373 } else if(end_head == 254) { 374 param->heads = 255; 375 param->sectors = 63; 376 break; 377 } 378 entry++; 379 } 380 381 if (num == 4) { 382 end_head = first->end_head; 383 end_sec = first->end_sector & 0x3f; 384 } 385 386 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 387 if (num < 4 && end_sec == param->sectors) { 388 if (param->cylinders != saved_cylinders) 389 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 390 param->heads, param->sectors, num)); 391 } else if (end_head > 0 || end_sec > 0) { 392 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 393 end_head + 1, end_sec, num)); 394 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 395 param->heads, param->sectors)); 396 } 397 } 398 kfree(buf); 399 return 0; 400} 401 402/** 403 * aac_slave_configure - compute queue depths 404 * @sdev: SCSI device we are considering 405 * 406 * Selects queue depths for each target device based on the host adapter's 407 * total capacity and the queue depth supported by the target device. 408 * A queue depth of one automatically disables tagged queueing. 409 */ 410 411static int aac_slave_configure(struct scsi_device *sdev) 412{ 413 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 414 if (aac->jbod && (sdev->type == TYPE_DISK)) 415 sdev->removable = 1; 416 if ((sdev->type == TYPE_DISK) && 417 (sdev_channel(sdev) != CONTAINER_CHANNEL) && 418 (!aac->jbod || sdev->inq_periph_qual) && 419 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 420 if (expose_physicals == 0) 421 return -ENXIO; 422 if (expose_physicals < 0) 423 sdev->no_uld_attach = 1; 424 } 425 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 426 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) && 427 !sdev->no_uld_attach) { 428 struct scsi_device * dev; 429 struct Scsi_Host *host = sdev->host; 430 unsigned num_lsu = 0; 431 unsigned num_one = 0; 432 unsigned depth; 433 unsigned cid; 434 435 /* 436 * Firmware has an individual device recovery time typically 437 * of 35 seconds, give us a margin. 438 */ 439 if (sdev->request_queue->rq_timeout < (45 * HZ)) 440 blk_queue_rq_timeout(sdev->request_queue, 45*HZ); 441 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 442 if (aac->fsa_dev[cid].valid) 443 ++num_lsu; 444 __shost_for_each_device(dev, host) { 445 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 446 (!aac->raid_scsi_mode || 447 (sdev_channel(sdev) != 2)) && 448 !dev->no_uld_attach) { 449 if ((sdev_channel(dev) != CONTAINER_CHANNEL) 450 || !aac->fsa_dev[sdev_id(dev)].valid) 451 ++num_lsu; 452 } else 453 ++num_one; 454 } 455 if (num_lsu == 0) 456 ++num_lsu; 457 depth = (host->can_queue - num_one) / num_lsu; 458 if (depth > 256) 459 depth = 256; 460 else if (depth < 2) 461 depth = 2; 462 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 463 } else 464 scsi_adjust_queue_depth(sdev, 0, 1); 465 466 return 0; 467} 468 469/** 470 * aac_change_queue_depth - alter queue depths 471 * @sdev: SCSI device we are considering 472 * @depth: desired queue depth 473 * 474 * Alters queue depths for target device based on the host adapter's 475 * total capacity and the queue depth supported by the target device. 476 */ 477 478static int aac_change_queue_depth(struct scsi_device *sdev, int depth, 479 int reason) 480{ 481 if (reason != SCSI_QDEPTH_DEFAULT) 482 return -EOPNOTSUPP; 483 484 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 485 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 486 struct scsi_device * dev; 487 struct Scsi_Host *host = sdev->host; 488 unsigned num = 0; 489 490 __shost_for_each_device(dev, host) { 491 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 492 (sdev_channel(dev) == CONTAINER_CHANNEL)) 493 ++num; 494 ++num; 495 } 496 if (num >= host->can_queue) 497 num = host->can_queue - 1; 498 if (depth > (host->can_queue - num)) 499 depth = host->can_queue - num; 500 if (depth > 256) 501 depth = 256; 502 else if (depth < 2) 503 depth = 2; 504 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 505 } else 506 scsi_adjust_queue_depth(sdev, 0, 1); 507 return sdev->queue_depth; 508} 509 510static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 511{ 512 struct scsi_device *sdev = to_scsi_device(dev); 513 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata); 514 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 515 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 516 ? "Hidden\n" : 517 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : "")); 518 return snprintf(buf, PAGE_SIZE, "%s\n", 519 get_container_type(aac->fsa_dev[sdev_id(sdev)].type)); 520} 521 522static struct device_attribute aac_raid_level_attr = { 523 .attr = { 524 .name = "level", 525 .mode = S_IRUGO, 526 }, 527 .show = aac_show_raid_level 528}; 529 530static struct device_attribute *aac_dev_attrs[] = { 531 &aac_raid_level_attr, 532 NULL, 533}; 534 535static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 536{ 537 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 538 if (!capable(CAP_SYS_RAWIO)) 539 return -EPERM; 540 return aac_do_ioctl(dev, cmd, arg); 541} 542 543static int aac_eh_abort(struct scsi_cmnd* cmd) 544{ 545 struct scsi_device * dev = cmd->device; 546 struct Scsi_Host * host = dev->host; 547 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 548 int count; 549 int ret = FAILED; 550 551 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 552 AAC_DRIVERNAME, 553 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 554 switch (cmd->cmnd[0]) { 555 case SERVICE_ACTION_IN: 556 if (!(aac->raw_io_interface) || 557 !(aac->raw_io_64) || 558 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 559 break; 560 case INQUIRY: 561 case READ_CAPACITY: 562 /* Mark associated FIB to not complete, eh handler does this */ 563 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 564 struct fib * fib = &aac->fibs[count]; 565 if (fib->hw_fib_va->header.XferState && 566 (fib->flags & FIB_CONTEXT_FLAG) && 567 (fib->callback_data == cmd)) { 568 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 569 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 570 ret = SUCCESS; 571 } 572 } 573 break; 574 case TEST_UNIT_READY: 575 /* Mark associated FIB to not complete, eh handler does this */ 576 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 577 struct scsi_cmnd * command; 578 struct fib * fib = &aac->fibs[count]; 579 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && 580 (fib->flags & FIB_CONTEXT_FLAG) && 581 ((command = fib->callback_data)) && 582 (command->device == cmd->device)) { 583 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 584 command->SCp.phase = AAC_OWNER_ERROR_HANDLER; 585 if (command == cmd) 586 ret = SUCCESS; 587 } 588 } 589 } 590 return ret; 591} 592 593/* 594 * aac_eh_reset - Reset command handling 595 * @scsi_cmd: SCSI command block causing the reset 596 * 597 */ 598static int aac_eh_reset(struct scsi_cmnd* cmd) 599{ 600 struct scsi_device * dev = cmd->device; 601 struct Scsi_Host * host = dev->host; 602 struct scsi_cmnd * command; 603 int count; 604 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 605 unsigned long flags; 606 607 /* Mark the associated FIB to not complete, eh handler does this */ 608 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 609 struct fib * fib = &aac->fibs[count]; 610 if (fib->hw_fib_va->header.XferState && 611 (fib->flags & FIB_CONTEXT_FLAG) && 612 (fib->callback_data == cmd)) { 613 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 614 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 615 } 616 } 617 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 618 AAC_DRIVERNAME); 619 620 if ((count = aac_check_health(aac))) 621 return count; 622 /* 623 * Wait for all commands to complete to this specific 624 * target (block maximum 60 seconds). 625 */ 626 for (count = 60; count; --count) { 627 int active = aac->in_reset; 628 629 if (active == 0) 630 __shost_for_each_device(dev, host) { 631 spin_lock_irqsave(&dev->list_lock, flags); 632 list_for_each_entry(command, &dev->cmd_list, list) { 633 if ((command != cmd) && 634 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 635 active++; 636 break; 637 } 638 } 639 spin_unlock_irqrestore(&dev->list_lock, flags); 640 if (active) 641 break; 642 643 } 644 /* 645 * We can exit If all the commands are complete 646 */ 647 if (active == 0) 648 return SUCCESS; 649 ssleep(1); 650 } 651 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 652 /* 653 * This adapter needs a blind reset, only do so for Adapters that 654 * support a register, instead of a commanded, reset. 655 */ 656 if ((aac->supplement_adapter_info.SupportedOptions2 & 657 AAC_OPTION_MU_RESET) && 658 aac_check_reset && 659 ((aac_check_reset != 1) || 660 !(aac->supplement_adapter_info.SupportedOptions2 & 661 AAC_OPTION_IGNORE_RESET))) 662 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 663 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 664} 665 666/** 667 * aac_cfg_open - open a configuration file 668 * @inode: inode being opened 669 * @file: file handle attached 670 * 671 * Called when the configuration device is opened. Does the needed 672 * set up on the handle and then returns 673 * 674 * Bugs: This needs extending to check a given adapter is present 675 * so we can support hot plugging, and to ref count adapters. 676 */ 677 678static int aac_cfg_open(struct inode *inode, struct file *file) 679{ 680 struct aac_dev *aac; 681 unsigned minor_number = iminor(inode); 682 int err = -ENODEV; 683 684 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */ 685 list_for_each_entry(aac, &aac_devices, entry) { 686 if (aac->id == minor_number) { 687 file->private_data = aac; 688 err = 0; 689 break; 690 } 691 } 692 mutex_unlock(&aac_mutex); 693 694 return err; 695} 696 697/** 698 * aac_cfg_ioctl - AAC configuration request 699 * @inode: inode of device 700 * @file: file handle 701 * @cmd: ioctl command code 702 * @arg: argument 703 * 704 * Handles a configuration ioctl. Currently this involves wrapping it 705 * up and feeding it into the nasty windowsalike glue layer. 706 * 707 * Bugs: Needs locking against parallel ioctls lower down 708 * Bugs: Needs to handle hot plugging 709 */ 710 711static long aac_cfg_ioctl(struct file *file, 712 unsigned int cmd, unsigned long arg) 713{ 714 int ret; 715 if (!capable(CAP_SYS_RAWIO)) 716 return -EPERM; 717 mutex_lock(&aac_mutex); 718 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 719 mutex_unlock(&aac_mutex); 720 721 return ret; 722} 723 724#ifdef CONFIG_COMPAT 725static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 726{ 727 long ret; 728 mutex_lock(&aac_mutex); 729 switch (cmd) { 730 case FSACTL_MINIPORT_REV_CHECK: 731 case FSACTL_SENDFIB: 732 case FSACTL_OPEN_GET_ADAPTER_FIB: 733 case FSACTL_CLOSE_GET_ADAPTER_FIB: 734 case FSACTL_SEND_RAW_SRB: 735 case FSACTL_GET_PCI_INFO: 736 case FSACTL_QUERY_DISK: 737 case FSACTL_DELETE_DISK: 738 case FSACTL_FORCE_DELETE_DISK: 739 case FSACTL_GET_CONTAINERS: 740 case FSACTL_SEND_LARGE_FIB: 741 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 742 break; 743 744 case FSACTL_GET_NEXT_ADAPTER_FIB: { 745 struct fib_ioctl __user *f; 746 747 f = compat_alloc_user_space(sizeof(*f)); 748 ret = 0; 749 if (clear_user(f, sizeof(*f))) 750 ret = -EFAULT; 751 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 752 ret = -EFAULT; 753 if (!ret) 754 ret = aac_do_ioctl(dev, cmd, f); 755 break; 756 } 757 758 default: 759 ret = -ENOIOCTLCMD; 760 break; 761 } 762 mutex_unlock(&aac_mutex); 763 return ret; 764} 765 766static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 767{ 768 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 769 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 770} 771 772static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 773{ 774 if (!capable(CAP_SYS_RAWIO)) 775 return -EPERM; 776 return aac_compat_do_ioctl(file->private_data, cmd, arg); 777} 778#endif 779 780static ssize_t aac_show_model(struct device *device, 781 struct device_attribute *attr, char *buf) 782{ 783 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 784 int len; 785 786 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 787 char * cp = dev->supplement_adapter_info.AdapterTypeText; 788 while (*cp && *cp != ' ') 789 ++cp; 790 while (*cp == ' ') 791 ++cp; 792 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 793 } else 794 len = snprintf(buf, PAGE_SIZE, "%s\n", 795 aac_drivers[dev->cardtype].model); 796 return len; 797} 798 799static ssize_t aac_show_vendor(struct device *device, 800 struct device_attribute *attr, char *buf) 801{ 802 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 803 int len; 804 805 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 806 char * cp = dev->supplement_adapter_info.AdapterTypeText; 807 while (*cp && *cp != ' ') 808 ++cp; 809 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 810 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 811 dev->supplement_adapter_info.AdapterTypeText); 812 } else 813 len = snprintf(buf, PAGE_SIZE, "%s\n", 814 aac_drivers[dev->cardtype].vname); 815 return len; 816} 817 818static ssize_t aac_show_flags(struct device *cdev, 819 struct device_attribute *attr, char *buf) 820{ 821 int len = 0; 822 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata; 823 824 if (nblank(dprintk(x))) 825 len = snprintf(buf, PAGE_SIZE, "dprintk\n"); 826#ifdef AAC_DETAILED_STATUS_INFO 827 len += snprintf(buf + len, PAGE_SIZE - len, 828 "AAC_DETAILED_STATUS_INFO\n"); 829#endif 830 if (dev->raw_io_interface && dev->raw_io_64) 831 len += snprintf(buf + len, PAGE_SIZE - len, 832 "SAI_READ_CAPACITY_16\n"); 833 if (dev->jbod) 834 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n"); 835 if (dev->supplement_adapter_info.SupportedOptions2 & 836 AAC_OPTION_POWER_MANAGEMENT) 837 len += snprintf(buf + len, PAGE_SIZE - len, 838 "SUPPORTED_POWER_MANAGEMENT\n"); 839 if (dev->msi) 840 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n"); 841 return len; 842} 843 844static ssize_t aac_show_kernel_version(struct device *device, 845 struct device_attribute *attr, 846 char *buf) 847{ 848 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 849 int len, tmp; 850 851 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 852 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 853 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 854 le32_to_cpu(dev->adapter_info.kernelbuild)); 855 return len; 856} 857 858static ssize_t aac_show_monitor_version(struct device *device, 859 struct device_attribute *attr, 860 char *buf) 861{ 862 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 863 int len, tmp; 864 865 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 866 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 867 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 868 le32_to_cpu(dev->adapter_info.monitorbuild)); 869 return len; 870} 871 872static ssize_t aac_show_bios_version(struct device *device, 873 struct device_attribute *attr, 874 char *buf) 875{ 876 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 877 int len, tmp; 878 879 tmp = le32_to_cpu(dev->adapter_info.biosrev); 880 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 881 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 882 le32_to_cpu(dev->adapter_info.biosbuild)); 883 return len; 884} 885 886static ssize_t aac_show_serial_number(struct device *device, 887 struct device_attribute *attr, char *buf) 888{ 889 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 890 int len = 0; 891 892 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 893 len = snprintf(buf, PAGE_SIZE, "%06X\n", 894 le32_to_cpu(dev->adapter_info.serial[0])); 895 if (len && 896 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 897 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len], 898 buf, len-1)) 899 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 900 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 901 dev->supplement_adapter_info.MfgPcbaSerialNo); 902 return len; 903} 904 905static ssize_t aac_show_max_channel(struct device *device, 906 struct device_attribute *attr, char *buf) 907{ 908 return snprintf(buf, PAGE_SIZE, "%d\n", 909 class_to_shost(device)->max_channel); 910} 911 912static ssize_t aac_show_max_id(struct device *device, 913 struct device_attribute *attr, char *buf) 914{ 915 return snprintf(buf, PAGE_SIZE, "%d\n", 916 class_to_shost(device)->max_id); 917} 918 919static ssize_t aac_store_reset_adapter(struct device *device, 920 struct device_attribute *attr, 921 const char *buf, size_t count) 922{ 923 int retval = -EACCES; 924 925 if (!capable(CAP_SYS_ADMIN)) 926 return retval; 927 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!'); 928 if (retval >= 0) 929 retval = count; 930 return retval; 931} 932 933static ssize_t aac_show_reset_adapter(struct device *device, 934 struct device_attribute *attr, 935 char *buf) 936{ 937 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata; 938 int len, tmp; 939 940 tmp = aac_adapter_check_health(dev); 941 if ((tmp == 0) && dev->in_reset) 942 tmp = -EBUSY; 943 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 944 return len; 945} 946 947static struct device_attribute aac_model = { 948 .attr = { 949 .name = "model", 950 .mode = S_IRUGO, 951 }, 952 .show = aac_show_model, 953}; 954static struct device_attribute aac_vendor = { 955 .attr = { 956 .name = "vendor", 957 .mode = S_IRUGO, 958 }, 959 .show = aac_show_vendor, 960}; 961static struct device_attribute aac_flags = { 962 .attr = { 963 .name = "flags", 964 .mode = S_IRUGO, 965 }, 966 .show = aac_show_flags, 967}; 968static struct device_attribute aac_kernel_version = { 969 .attr = { 970 .name = "hba_kernel_version", 971 .mode = S_IRUGO, 972 }, 973 .show = aac_show_kernel_version, 974}; 975static struct device_attribute aac_monitor_version = { 976 .attr = { 977 .name = "hba_monitor_version", 978 .mode = S_IRUGO, 979 }, 980 .show = aac_show_monitor_version, 981}; 982static struct device_attribute aac_bios_version = { 983 .attr = { 984 .name = "hba_bios_version", 985 .mode = S_IRUGO, 986 }, 987 .show = aac_show_bios_version, 988}; 989static struct device_attribute aac_serial_number = { 990 .attr = { 991 .name = "serial_number", 992 .mode = S_IRUGO, 993 }, 994 .show = aac_show_serial_number, 995}; 996static struct device_attribute aac_max_channel = { 997 .attr = { 998 .name = "max_channel", 999 .mode = S_IRUGO, 1000 }, 1001 .show = aac_show_max_channel, 1002}; 1003static struct device_attribute aac_max_id = { 1004 .attr = { 1005 .name = "max_id", 1006 .mode = S_IRUGO, 1007 }, 1008 .show = aac_show_max_id, 1009}; 1010static struct device_attribute aac_reset = { 1011 .attr = { 1012 .name = "reset_host", 1013 .mode = S_IWUSR|S_IRUGO, 1014 }, 1015 .store = aac_store_reset_adapter, 1016 .show = aac_show_reset_adapter, 1017}; 1018 1019static struct device_attribute *aac_attrs[] = { 1020 &aac_model, 1021 &aac_vendor, 1022 &aac_flags, 1023 &aac_kernel_version, 1024 &aac_monitor_version, 1025 &aac_bios_version, 1026 &aac_serial_number, 1027 &aac_max_channel, 1028 &aac_max_id, 1029 &aac_reset, 1030 NULL 1031}; 1032 1033ssize_t aac_get_serial_number(struct device *device, char *buf) 1034{ 1035 return aac_show_serial_number(device, &aac_serial_number, buf); 1036} 1037 1038static const struct file_operations aac_cfg_fops = { 1039 .owner = THIS_MODULE, 1040 .unlocked_ioctl = aac_cfg_ioctl, 1041#ifdef CONFIG_COMPAT 1042 .compat_ioctl = aac_compat_cfg_ioctl, 1043#endif 1044 .open = aac_cfg_open, 1045 .llseek = noop_llseek, 1046}; 1047 1048static struct scsi_host_template aac_driver_template = { 1049 .module = THIS_MODULE, 1050 .name = "AAC", 1051 .proc_name = AAC_DRIVERNAME, 1052 .info = aac_info, 1053 .ioctl = aac_ioctl, 1054#ifdef CONFIG_COMPAT 1055 .compat_ioctl = aac_compat_ioctl, 1056#endif 1057 .queuecommand = aac_queuecommand, 1058 .bios_param = aac_biosparm, 1059 .shost_attrs = aac_attrs, 1060 .slave_configure = aac_slave_configure, 1061 .change_queue_depth = aac_change_queue_depth, 1062 .sdev_attrs = aac_dev_attrs, 1063 .eh_abort_handler = aac_eh_abort, 1064 .eh_host_reset_handler = aac_eh_reset, 1065 .can_queue = AAC_NUM_IO_FIB, 1066 .this_id = MAXIMUM_NUM_CONTAINERS, 1067 .sg_tablesize = 16, 1068 .max_sectors = 128, 1069#if (AAC_NUM_IO_FIB > 256) 1070 .cmd_per_lun = 256, 1071#else 1072 .cmd_per_lun = AAC_NUM_IO_FIB, 1073#endif 1074 .use_clustering = ENABLE_CLUSTERING, 1075 .emulated = 1, 1076}; 1077 1078static void __aac_shutdown(struct aac_dev * aac) 1079{ 1080 if (aac->aif_thread) 1081 kthread_stop(aac->thread); 1082 aac_send_shutdown(aac); 1083 aac_adapter_disable_int(aac); 1084 free_irq(aac->pdev->irq, aac); 1085 if (aac->msi) 1086 pci_disable_msi(aac->pdev); 1087} 1088 1089static int __devinit aac_probe_one(struct pci_dev *pdev, 1090 const struct pci_device_id *id) 1091{ 1092 unsigned index = id->driver_data; 1093 struct Scsi_Host *shost; 1094 struct aac_dev *aac; 1095 struct list_head *insert = &aac_devices; 1096 int error = -ENODEV; 1097 int unique_id = 0; 1098 u64 dmamask; 1099 1100 list_for_each_entry(aac, &aac_devices, entry) { 1101 if (aac->id > unique_id) 1102 break; 1103 insert = &aac->entry; 1104 unique_id++; 1105 } 1106 1107 error = pci_enable_device(pdev); 1108 if (error) 1109 goto out; 1110 error = -ENODEV; 1111 1112 /* 1113 * If the quirk31 bit is set, the adapter needs adapter 1114 * to driver communication memory to be allocated below 2gig 1115 */ 1116 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1117 dmamask = DMA_BIT_MASK(31); 1118 else 1119 dmamask = DMA_BIT_MASK(32); 1120 1121 if (pci_set_dma_mask(pdev, dmamask) || 1122 pci_set_consistent_dma_mask(pdev, dmamask)) 1123 goto out_disable_pdev; 1124 1125 pci_set_master(pdev); 1126 1127 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1128 if (!shost) 1129 goto out_disable_pdev; 1130 1131 shost->irq = pdev->irq; 1132 shost->base = pci_resource_start(pdev, 0); 1133 shost->unique_id = unique_id; 1134 shost->max_cmd_len = 16; 1135 1136 aac = (struct aac_dev *)shost->hostdata; 1137 aac->scsi_host_ptr = shost; 1138 aac->pdev = pdev; 1139 aac->name = aac_driver_template.name; 1140 aac->id = shost->unique_id; 1141 aac->cardtype = index; 1142 INIT_LIST_HEAD(&aac->entry); 1143 1144 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1145 if (!aac->fibs) 1146 goto out_free_host; 1147 spin_lock_init(&aac->fib_lock); 1148 1149 /* 1150 * Map in the registers from the adapter. 1151 */ 1152 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1153 if ((*aac_drivers[index].init)(aac)) 1154 goto out_unmap; 1155 1156 /* 1157 * Start any kernel threads needed 1158 */ 1159 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1160 if (IS_ERR(aac->thread)) { 1161 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1162 error = PTR_ERR(aac->thread); 1163 goto out_deinit; 1164 } 1165 1166 /* 1167 * If we had set a smaller DMA mask earlier, set it to 4gig 1168 * now since the adapter can dma data to at least a 4gig 1169 * address space. 1170 */ 1171 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1172 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) 1173 goto out_deinit; 1174 1175 aac->maximum_num_channels = aac_drivers[index].channels; 1176 error = aac_get_adapter_info(aac); 1177 if (error < 0) 1178 goto out_deinit; 1179 1180 /* 1181 * Lets override negotiations and drop the maximum SG limit to 34 1182 */ 1183 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1184 (shost->sg_tablesize > 34)) { 1185 shost->sg_tablesize = 34; 1186 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1187 } 1188 1189 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1190 (shost->sg_tablesize > 17)) { 1191 shost->sg_tablesize = 17; 1192 shost->max_sectors = (shost->sg_tablesize * 8) + 112; 1193 } 1194 1195 error = pci_set_dma_max_seg_size(pdev, 1196 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ? 1197 (shost->max_sectors << 9) : 65536); 1198 if (error) 1199 goto out_deinit; 1200 1201 /* 1202 * Firmware printf works only with older firmware. 1203 */ 1204 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1205 aac->printf_enabled = 1; 1206 else 1207 aac->printf_enabled = 0; 1208 1209 /* 1210 * max channel will be the physical channels plus 1 virtual channel 1211 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1212 * physical channels are address by their actual physical number+1 1213 */ 1214 if (aac->nondasd_support || expose_physicals || aac->jbod) 1215 shost->max_channel = aac->maximum_num_channels; 1216 else 1217 shost->max_channel = 0; 1218 1219 aac_get_config_status(aac, 0); 1220 aac_get_containers(aac); 1221 list_add(&aac->entry, insert); 1222 1223 shost->max_id = aac->maximum_num_containers; 1224 if (shost->max_id < aac->maximum_num_physicals) 1225 shost->max_id = aac->maximum_num_physicals; 1226 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1227 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1228 else 1229 shost->this_id = shost->max_id; 1230 1231 /* 1232 * dmb - we may need to move the setting of these parms somewhere else once 1233 * we get a fib that can report the actual numbers 1234 */ 1235 shost->max_lun = AAC_MAX_LUN; 1236 1237 pci_set_drvdata(pdev, shost); 1238 1239 error = scsi_add_host(shost, &pdev->dev); 1240 if (error) 1241 goto out_deinit; 1242 scsi_scan_host(shost); 1243 1244 return 0; 1245 1246 out_deinit: 1247 __aac_shutdown(aac); 1248 out_unmap: 1249 aac_fib_map_free(aac); 1250 if (aac->comm_addr) 1251 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1252 aac->comm_phys); 1253 kfree(aac->queues); 1254 aac_adapter_ioremap(aac, 0); 1255 kfree(aac->fibs); 1256 kfree(aac->fsa_dev); 1257 out_free_host: 1258 scsi_host_put(shost); 1259 out_disable_pdev: 1260 pci_disable_device(pdev); 1261 out: 1262 return error; 1263} 1264 1265static void aac_shutdown(struct pci_dev *dev) 1266{ 1267 struct Scsi_Host *shost = pci_get_drvdata(dev); 1268 scsi_block_requests(shost); 1269 __aac_shutdown((struct aac_dev *)shost->hostdata); 1270} 1271 1272static void __devexit aac_remove_one(struct pci_dev *pdev) 1273{ 1274 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1275 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1276 1277 scsi_remove_host(shost); 1278 1279 __aac_shutdown(aac); 1280 aac_fib_map_free(aac); 1281 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1282 aac->comm_phys); 1283 kfree(aac->queues); 1284 1285 aac_adapter_ioremap(aac, 0); 1286 1287 kfree(aac->fibs); 1288 kfree(aac->fsa_dev); 1289 1290 list_del(&aac->entry); 1291 scsi_host_put(shost); 1292 pci_disable_device(pdev); 1293 if (list_empty(&aac_devices)) { 1294 unregister_chrdev(aac_cfg_major, "aac"); 1295 aac_cfg_major = -1; 1296 } 1297} 1298 1299static struct pci_driver aac_pci_driver = { 1300 .name = AAC_DRIVERNAME, 1301 .id_table = aac_pci_tbl, 1302 .probe = aac_probe_one, 1303 .remove = __devexit_p(aac_remove_one), 1304 .shutdown = aac_shutdown, 1305}; 1306 1307static int __init aac_init(void) 1308{ 1309 int error; 1310 1311 printk(KERN_INFO "Adaptec %s driver %s\n", 1312 AAC_DRIVERNAME, aac_driver_version); 1313 1314 error = pci_register_driver(&aac_pci_driver); 1315 if (error < 0) 1316 return error; 1317 1318 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1319 if (aac_cfg_major < 0) { 1320 printk(KERN_WARNING 1321 "aacraid: unable to register \"aac\" device.\n"); 1322 } 1323 1324 return 0; 1325} 1326 1327static void __exit aac_exit(void) 1328{ 1329 if (aac_cfg_major > -1) 1330 unregister_chrdev(aac_cfg_major, "aac"); 1331 pci_unregister_driver(&aac_pci_driver); 1332} 1333 1334module_init(aac_init); 1335module_exit(aac_exit); 1336