linit.c revision b27e66df78a9d8d43c05a6a5777ef45f2e238951
1/* 2 * Adaptec AAC series RAID controller driver 3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com> 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/spinlock.h> 42#include <linux/syscalls.h> 43#include <linux/delay.h> 44#include <linux/kthread.h> 45#include <asm/semaphore.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 LIST_HEAD(aac_devices); 80static int aac_cfg_major = -1; 81char aac_driver_version[] = AAC_DRIVER_FULL_VERSION; 82 83/* 84 * Because of the way Linux names scsi devices, the order in this table has 85 * become important. Check for on-board Raid first, add-in cards second. 86 * 87 * Note: The last field is used to index into aac_drivers below. 88 */ 89static struct pci_device_id aac_pci_tbl[] = { 90 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */ 91 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */ 92 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */ 93 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 94 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */ 95 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 96 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 97 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 98 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 99 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */ 100 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */ 101 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */ 102 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */ 103 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */ 104 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */ 105 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */ 106 107 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */ 108 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */ 109 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 110 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 111 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 112 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */ 113 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */ 114 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */ 115 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */ 116 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */ 117 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */ 118 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */ 119 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */ 120 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */ 121 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */ 122 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */ 123 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */ 124 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */ 125 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */ 126 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */ 127 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 128 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 129 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 130 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 131 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 132 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 133 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 134 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */ 135 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */ 136 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */ 137 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */ 138 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */ 139 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */ 140 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 141 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */ 142 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */ 143 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */ 144 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */ 145 146 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/ 147 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/ 148 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/ 149 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */ 150 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */ 151 152 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */ 153 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */ 154 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ 155 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ 156 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ 157 { 0,} 158}; 159MODULE_DEVICE_TABLE(pci, aac_pci_tbl); 160 161/* 162 * dmb - For now we add the number of channels to this structure. 163 * In the future we should add a fib that reports the number of channels 164 * for the card. At that time we can remove the channels from here 165 */ 166static struct aac_driver_ident aac_drivers[] = { 167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */ 176 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */ 181 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */ 182 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */ 183 184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */ 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */ 186 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */ 187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */ 188 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */ 189 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */ 190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */ 191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */ 192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */ 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */ 194 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */ 195 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */ 196 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */ 197 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */ 198 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */ 199 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */ 200 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */ 201 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */ 202 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */ 203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */ 204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */ 205 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */ 206 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */ 207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */ 208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */ 209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */ 210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */ 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */ 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */ 213 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */ 214 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */ 215 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */ 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */ 217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */ 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */ 219 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */ 220 221 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/ 222 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 223 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/ 224 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */ 225 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */ 226 227 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */ 228 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */ 229 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ 230 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ 231 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */ 232}; 233 234/** 235 * aac_queuecommand - queue a SCSI command 236 * @cmd: SCSI command to queue 237 * @done: Function to call on command completion 238 * 239 * Queues a command for execution by the associated Host Adapter. 240 * 241 * TODO: unify with aac_scsi_cmd(). 242 */ 243 244static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) 245{ 246 struct Scsi_Host *host = cmd->device->host; 247 struct aac_dev *dev = (struct aac_dev *)host->hostdata; 248 u32 count = 0; 249 cmd->scsi_done = done; 250 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 251 struct fib * fib = &dev->fibs[count]; 252 struct scsi_cmnd * command; 253 if (fib->hw_fib_va->header.XferState && 254 ((command = fib->callback_data)) && 255 (command == cmd) && 256 (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) 257 return 0; /* Already owned by Adapter */ 258 } 259 cmd->SCp.phase = AAC_OWNER_LOWLEVEL; 260 return (aac_scsi_cmd(cmd) ? FAILED : 0); 261} 262 263/** 264 * aac_info - Returns the host adapter name 265 * @shost: Scsi host to report on 266 * 267 * Returns a static string describing the device in question 268 */ 269 270static const char *aac_info(struct Scsi_Host *shost) 271{ 272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata; 273 return aac_drivers[dev->cardtype].name; 274} 275 276/** 277 * aac_get_driver_ident 278 * @devtype: index into lookup table 279 * 280 * Returns a pointer to the entry in the driver lookup table. 281 */ 282 283struct aac_driver_ident* aac_get_driver_ident(int devtype) 284{ 285 return &aac_drivers[devtype]; 286} 287 288/** 289 * aac_biosparm - return BIOS parameters for disk 290 * @sdev: The scsi device corresponding to the disk 291 * @bdev: the block device corresponding to the disk 292 * @capacity: the sector capacity of the disk 293 * @geom: geometry block to fill in 294 * 295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk. 296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate 297 * number of cylinders so as not to exceed drive capacity. In order for 298 * disks equal to or larger than 1 GB to be addressable by the BIOS 299 * without exceeding the BIOS limitation of 1024 cylinders, Extended 300 * Translation should be enabled. With Extended Translation enabled, 301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk 302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive 303 * are given a disk geometry of 255 heads and 63 sectors. However, if 304 * the BIOS detects that the Extended Translation setting does not match 305 * the geometry in the partition table, then the translation inferred 306 * from the partition table will be used by the BIOS, and a warning may 307 * be displayed. 308 */ 309 310static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev, 311 sector_t capacity, int *geom) 312{ 313 struct diskparm *param = (struct diskparm *)geom; 314 unsigned char *buf; 315 316 dprintk((KERN_DEBUG "aac_biosparm.\n")); 317 318 /* 319 * Assuming extended translation is enabled - #REVISIT# 320 */ 321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */ 322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */ 323 param->heads = 255; 324 param->sectors = 63; 325 } else { 326 param->heads = 128; 327 param->sectors = 32; 328 } 329 } else { 330 param->heads = 64; 331 param->sectors = 32; 332 } 333 334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 335 336 /* 337 * Read the first 1024 bytes from the disk device, if the boot 338 * sector partition table is valid, search for a partition table 339 * entry whose end_head matches one of the standard geometry 340 * translations ( 64/32, 128/32, 255/63 ). 341 */ 342 buf = scsi_bios_ptable(bdev); 343 if (!buf) 344 return 0; 345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) { 346 struct partition *first = (struct partition * )buf; 347 struct partition *entry = first; 348 int saved_cylinders = param->cylinders; 349 int num; 350 unsigned char end_head, end_sec; 351 352 for(num = 0; num < 4; num++) { 353 end_head = entry->end_head; 354 end_sec = entry->end_sector & 0x3f; 355 356 if(end_head == 63) { 357 param->heads = 64; 358 param->sectors = 32; 359 break; 360 } else if(end_head == 127) { 361 param->heads = 128; 362 param->sectors = 32; 363 break; 364 } else if(end_head == 254) { 365 param->heads = 255; 366 param->sectors = 63; 367 break; 368 } 369 entry++; 370 } 371 372 if (num == 4) { 373 end_head = first->end_head; 374 end_sec = first->end_sector & 0x3f; 375 } 376 377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors); 378 if (num < 4 && end_sec == param->sectors) { 379 if (param->cylinders != saved_cylinders) 380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n", 381 param->heads, param->sectors, num)); 382 } else if (end_head > 0 || end_sec > 0) { 383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n", 384 end_head + 1, end_sec, num)); 385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n", 386 param->heads, param->sectors)); 387 } 388 } 389 kfree(buf); 390 return 0; 391} 392 393/** 394 * aac_slave_configure - compute queue depths 395 * @sdev: SCSI device we are considering 396 * 397 * Selects queue depths for each target device based on the host adapter's 398 * total capacity and the queue depth supported by the target device. 399 * A queue depth of one automatically disables tagged queueing. 400 */ 401 402static int aac_slave_configure(struct scsi_device *sdev) 403{ 404 if ((sdev->type == TYPE_DISK) && 405 (sdev_channel(sdev) != CONTAINER_CHANNEL)) { 406 if (expose_physicals == 0) 407 return -ENXIO; 408 if (expose_physicals < 0) { 409 struct aac_dev *aac = 410 (struct aac_dev *)sdev->host->hostdata; 411 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) 412 sdev->no_uld_attach = 1; 413 } 414 } 415 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 416 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 417 struct scsi_device * dev; 418 struct Scsi_Host *host = sdev->host; 419 unsigned num_lsu = 0; 420 unsigned num_one = 0; 421 unsigned depth; 422 423 __shost_for_each_device(dev, host) { 424 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 425 (sdev_channel(dev) == CONTAINER_CHANNEL)) 426 ++num_lsu; 427 else 428 ++num_one; 429 } 430 if (num_lsu == 0) 431 ++num_lsu; 432 depth = (host->can_queue - num_one) / num_lsu; 433 if (depth > 256) 434 depth = 256; 435 else if (depth < 2) 436 depth = 2; 437 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 438 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 439 AAC_OPT_NEW_COMM)) 440 blk_queue_max_segment_size(sdev->request_queue, 65536); 441 } else 442 scsi_adjust_queue_depth(sdev, 0, 1); 443 444 return 0; 445} 446 447/** 448 * aac_change_queue_depth - alter queue depths 449 * @sdev: SCSI device we are considering 450 * @depth: desired queue depth 451 * 452 * Alters queue depths for target device based on the host adapter's 453 * total capacity and the queue depth supported by the target device. 454 */ 455 456static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 457{ 458 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 459 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 460 struct scsi_device * dev; 461 struct Scsi_Host *host = sdev->host; 462 unsigned num = 0; 463 464 __shost_for_each_device(dev, host) { 465 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 466 (sdev_channel(dev) == CONTAINER_CHANNEL)) 467 ++num; 468 ++num; 469 } 470 if (num >= host->can_queue) 471 num = host->can_queue - 1; 472 if (depth > (host->can_queue - num)) 473 depth = host->can_queue - num; 474 if (depth > 256) 475 depth = 256; 476 else if (depth < 2) 477 depth = 2; 478 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 479 } else 480 scsi_adjust_queue_depth(sdev, 0, 1); 481 return sdev->queue_depth; 482} 483 484static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 485{ 486 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 487 return aac_do_ioctl(dev, cmd, arg); 488} 489 490static int aac_eh_abort(struct scsi_cmnd* cmd) 491{ 492 struct scsi_device * dev = cmd->device; 493 struct Scsi_Host * host = dev->host; 494 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 495 int count; 496 int ret = FAILED; 497 498 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 499 AAC_DRIVERNAME, 500 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 501 switch (cmd->cmnd[0]) { 502 case SERVICE_ACTION_IN: 503 if (!(aac->raw_io_interface) || 504 !(aac->raw_io_64) || 505 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 506 break; 507 case INQUIRY: 508 case READ_CAPACITY: 509 case TEST_UNIT_READY: 510 /* Mark associated FIB to not complete, eh handler does this */ 511 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 512 struct fib * fib = &aac->fibs[count]; 513 if (fib->hw_fib_va->header.XferState && 514 (fib->callback_data == cmd)) { 515 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 516 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 517 ret = SUCCESS; 518 } 519 } 520 } 521 return ret; 522} 523 524/* 525 * aac_eh_reset - Reset command handling 526 * @scsi_cmd: SCSI command block causing the reset 527 * 528 */ 529static int aac_eh_reset(struct scsi_cmnd* cmd) 530{ 531 struct scsi_device * dev = cmd->device; 532 struct Scsi_Host * host = dev->host; 533 struct scsi_cmnd * command; 534 int count; 535 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 536 unsigned long flags; 537 538 /* Mark the associated FIB to not complete, eh handler does this */ 539 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 540 struct fib * fib = &aac->fibs[count]; 541 if (fib->hw_fib_va->header.XferState && 542 (fib->callback_data == cmd)) { 543 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 544 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 545 } 546 } 547 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 548 AAC_DRIVERNAME); 549 550 if ((count = aac_check_health(aac))) 551 return count; 552 /* 553 * Wait for all commands to complete to this specific 554 * target (block maximum 60 seconds). 555 */ 556 for (count = 60; count; --count) { 557 int active = aac->in_reset; 558 559 if (active == 0) 560 __shost_for_each_device(dev, host) { 561 spin_lock_irqsave(&dev->list_lock, flags); 562 list_for_each_entry(command, &dev->cmd_list, list) { 563 if ((command != cmd) && 564 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 565 active++; 566 break; 567 } 568 } 569 spin_unlock_irqrestore(&dev->list_lock, flags); 570 if (active) 571 break; 572 573 } 574 /* 575 * We can exit If all the commands are complete 576 */ 577 if (active == 0) 578 return SUCCESS; 579 ssleep(1); 580 } 581 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 582 /* 583 * This adapter needs a blind reset, only do so for Adapters that 584 * support a register, instead of a commanded, reset. 585 */ 586 if ((aac->supplement_adapter_info.SupportedOptions2 & 587 le32_to_cpu(AAC_OPTION_MU_RESET|AAC_OPTION_IGNORE_RESET)) == 588 le32_to_cpu(AAC_OPTION_MU_RESET)) 589 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 590 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 591} 592 593/** 594 * aac_cfg_open - open a configuration file 595 * @inode: inode being opened 596 * @file: file handle attached 597 * 598 * Called when the configuration device is opened. Does the needed 599 * set up on the handle and then returns 600 * 601 * Bugs: This needs extending to check a given adapter is present 602 * so we can support hot plugging, and to ref count adapters. 603 */ 604 605static int aac_cfg_open(struct inode *inode, struct file *file) 606{ 607 struct aac_dev *aac; 608 unsigned minor_number = iminor(inode); 609 int err = -ENODEV; 610 611 list_for_each_entry(aac, &aac_devices, entry) { 612 if (aac->id == minor_number) { 613 file->private_data = aac; 614 err = 0; 615 break; 616 } 617 } 618 619 return err; 620} 621 622/** 623 * aac_cfg_ioctl - AAC configuration request 624 * @inode: inode of device 625 * @file: file handle 626 * @cmd: ioctl command code 627 * @arg: argument 628 * 629 * Handles a configuration ioctl. Currently this involves wrapping it 630 * up and feeding it into the nasty windowsalike glue layer. 631 * 632 * Bugs: Needs locking against parallel ioctls lower down 633 * Bugs: Needs to handle hot plugging 634 */ 635 636static int aac_cfg_ioctl(struct inode *inode, struct file *file, 637 unsigned int cmd, unsigned long arg) 638{ 639 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 640} 641 642#ifdef CONFIG_COMPAT 643static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 644{ 645 long ret; 646 lock_kernel(); 647 switch (cmd) { 648 case FSACTL_MINIPORT_REV_CHECK: 649 case FSACTL_SENDFIB: 650 case FSACTL_OPEN_GET_ADAPTER_FIB: 651 case FSACTL_CLOSE_GET_ADAPTER_FIB: 652 case FSACTL_SEND_RAW_SRB: 653 case FSACTL_GET_PCI_INFO: 654 case FSACTL_QUERY_DISK: 655 case FSACTL_DELETE_DISK: 656 case FSACTL_FORCE_DELETE_DISK: 657 case FSACTL_GET_CONTAINERS: 658 case FSACTL_SEND_LARGE_FIB: 659 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 660 break; 661 662 case FSACTL_GET_NEXT_ADAPTER_FIB: { 663 struct fib_ioctl __user *f; 664 665 f = compat_alloc_user_space(sizeof(*f)); 666 ret = 0; 667 if (clear_user(f, sizeof(*f))) 668 ret = -EFAULT; 669 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 670 ret = -EFAULT; 671 if (!ret) 672 ret = aac_do_ioctl(dev, cmd, f); 673 break; 674 } 675 676 default: 677 ret = -ENOIOCTLCMD; 678 break; 679 } 680 unlock_kernel(); 681 return ret; 682} 683 684static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 685{ 686 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 687 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 688} 689 690static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 691{ 692 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 693} 694#endif 695 696static ssize_t aac_show_model(struct class_device *class_dev, 697 char *buf) 698{ 699 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 700 int len; 701 702 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 703 char * cp = dev->supplement_adapter_info.AdapterTypeText; 704 while (*cp && *cp != ' ') 705 ++cp; 706 while (*cp == ' ') 707 ++cp; 708 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 709 } else 710 len = snprintf(buf, PAGE_SIZE, "%s\n", 711 aac_drivers[dev->cardtype].model); 712 return len; 713} 714 715static ssize_t aac_show_vendor(struct class_device *class_dev, 716 char *buf) 717{ 718 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 719 int len; 720 721 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 722 char * cp = dev->supplement_adapter_info.AdapterTypeText; 723 while (*cp && *cp != ' ') 724 ++cp; 725 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 726 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 727 dev->supplement_adapter_info.AdapterTypeText); 728 } else 729 len = snprintf(buf, PAGE_SIZE, "%s\n", 730 aac_drivers[dev->cardtype].vname); 731 return len; 732} 733 734static ssize_t aac_show_kernel_version(struct class_device *class_dev, 735 char *buf) 736{ 737 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 738 int len, tmp; 739 740 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 741 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 742 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 743 le32_to_cpu(dev->adapter_info.kernelbuild)); 744 return len; 745} 746 747static ssize_t aac_show_monitor_version(struct class_device *class_dev, 748 char *buf) 749{ 750 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 751 int len, tmp; 752 753 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 754 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 755 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 756 le32_to_cpu(dev->adapter_info.monitorbuild)); 757 return len; 758} 759 760static ssize_t aac_show_bios_version(struct class_device *class_dev, 761 char *buf) 762{ 763 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 764 int len, tmp; 765 766 tmp = le32_to_cpu(dev->adapter_info.biosrev); 767 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 768 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 769 le32_to_cpu(dev->adapter_info.biosbuild)); 770 return len; 771} 772 773static ssize_t aac_show_serial_number(struct class_device *class_dev, 774 char *buf) 775{ 776 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 777 int len = 0; 778 779 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 780 len = snprintf(buf, PAGE_SIZE, "%x\n", 781 le32_to_cpu(dev->adapter_info.serial[0])); 782 return len; 783} 784 785static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 786{ 787 return snprintf(buf, PAGE_SIZE, "%d\n", 788 class_to_shost(class_dev)->max_channel); 789} 790 791static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 792{ 793 return snprintf(buf, PAGE_SIZE, "%d\n", 794 class_to_shost(class_dev)->max_id); 795} 796 797static ssize_t aac_store_reset_adapter(struct class_device *class_dev, 798 const char *buf, size_t count) 799{ 800 int retval = -EACCES; 801 802 if (!capable(CAP_SYS_ADMIN)) 803 return retval; 804 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!'); 805 if (retval >= 0) 806 retval = count; 807 return retval; 808} 809 810static ssize_t aac_show_reset_adapter(struct class_device *class_dev, 811 char *buf) 812{ 813 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 814 int len, tmp; 815 816 tmp = aac_adapter_check_health(dev); 817 if ((tmp == 0) && dev->in_reset) 818 tmp = -EBUSY; 819 len = snprintf(buf, PAGE_SIZE, "0x%x", tmp); 820 return len; 821} 822 823static struct class_device_attribute aac_model = { 824 .attr = { 825 .name = "model", 826 .mode = S_IRUGO, 827 }, 828 .show = aac_show_model, 829}; 830static struct class_device_attribute aac_vendor = { 831 .attr = { 832 .name = "vendor", 833 .mode = S_IRUGO, 834 }, 835 .show = aac_show_vendor, 836}; 837static struct class_device_attribute aac_kernel_version = { 838 .attr = { 839 .name = "hba_kernel_version", 840 .mode = S_IRUGO, 841 }, 842 .show = aac_show_kernel_version, 843}; 844static struct class_device_attribute aac_monitor_version = { 845 .attr = { 846 .name = "hba_monitor_version", 847 .mode = S_IRUGO, 848 }, 849 .show = aac_show_monitor_version, 850}; 851static struct class_device_attribute aac_bios_version = { 852 .attr = { 853 .name = "hba_bios_version", 854 .mode = S_IRUGO, 855 }, 856 .show = aac_show_bios_version, 857}; 858static struct class_device_attribute aac_serial_number = { 859 .attr = { 860 .name = "serial_number", 861 .mode = S_IRUGO, 862 }, 863 .show = aac_show_serial_number, 864}; 865static struct class_device_attribute aac_max_channel = { 866 .attr = { 867 .name = "max_channel", 868 .mode = S_IRUGO, 869 }, 870 .show = aac_show_max_channel, 871}; 872static struct class_device_attribute aac_max_id = { 873 .attr = { 874 .name = "max_id", 875 .mode = S_IRUGO, 876 }, 877 .show = aac_show_max_id, 878}; 879static struct class_device_attribute aac_reset = { 880 .attr = { 881 .name = "reset_host", 882 .mode = S_IWUSR|S_IRUGO, 883 }, 884 .store = aac_store_reset_adapter, 885 .show = aac_show_reset_adapter, 886}; 887 888static struct class_device_attribute *aac_attrs[] = { 889 &aac_model, 890 &aac_vendor, 891 &aac_kernel_version, 892 &aac_monitor_version, 893 &aac_bios_version, 894 &aac_serial_number, 895 &aac_max_channel, 896 &aac_max_id, 897 &aac_reset, 898 NULL 899}; 900 901 902static const struct file_operations aac_cfg_fops = { 903 .owner = THIS_MODULE, 904 .ioctl = aac_cfg_ioctl, 905#ifdef CONFIG_COMPAT 906 .compat_ioctl = aac_compat_cfg_ioctl, 907#endif 908 .open = aac_cfg_open, 909}; 910 911static struct scsi_host_template aac_driver_template = { 912 .module = THIS_MODULE, 913 .name = "AAC", 914 .proc_name = AAC_DRIVERNAME, 915 .info = aac_info, 916 .ioctl = aac_ioctl, 917#ifdef CONFIG_COMPAT 918 .compat_ioctl = aac_compat_ioctl, 919#endif 920 .queuecommand = aac_queuecommand, 921 .bios_param = aac_biosparm, 922 .shost_attrs = aac_attrs, 923 .slave_configure = aac_slave_configure, 924 .change_queue_depth = aac_change_queue_depth, 925 .eh_abort_handler = aac_eh_abort, 926 .eh_host_reset_handler = aac_eh_reset, 927 .can_queue = AAC_NUM_IO_FIB, 928 .this_id = MAXIMUM_NUM_CONTAINERS, 929 .sg_tablesize = 16, 930 .max_sectors = 128, 931#if (AAC_NUM_IO_FIB > 256) 932 .cmd_per_lun = 256, 933#else 934 .cmd_per_lun = AAC_NUM_IO_FIB, 935#endif 936 .use_clustering = ENABLE_CLUSTERING, 937 .emulated = 1, 938}; 939 940static int __devinit aac_probe_one(struct pci_dev *pdev, 941 const struct pci_device_id *id) 942{ 943 unsigned index = id->driver_data; 944 struct Scsi_Host *shost; 945 struct aac_dev *aac; 946 struct list_head *insert = &aac_devices; 947 int error = -ENODEV; 948 int unique_id = 0; 949 950 list_for_each_entry(aac, &aac_devices, entry) { 951 if (aac->id > unique_id) 952 break; 953 insert = &aac->entry; 954 unique_id++; 955 } 956 957 error = pci_enable_device(pdev); 958 if (error) 959 goto out; 960 error = -ENODEV; 961 962 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 963 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 964 goto out_disable_pdev; 965 /* 966 * If the quirk31 bit is set, the adapter needs adapter 967 * to driver communication memory to be allocated below 2gig 968 */ 969 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 970 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 971 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 972 goto out_disable_pdev; 973 974 pci_set_master(pdev); 975 976 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 977 if (!shost) 978 goto out_disable_pdev; 979 980 shost->irq = pdev->irq; 981 shost->base = pci_resource_start(pdev, 0); 982 shost->unique_id = unique_id; 983 shost->max_cmd_len = 16; 984 985 aac = (struct aac_dev *)shost->hostdata; 986 aac->scsi_host_ptr = shost; 987 aac->pdev = pdev; 988 aac->name = aac_driver_template.name; 989 aac->id = shost->unique_id; 990 aac->cardtype = index; 991 INIT_LIST_HEAD(&aac->entry); 992 993 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 994 if (!aac->fibs) 995 goto out_free_host; 996 spin_lock_init(&aac->fib_lock); 997 998 /* 999 * Map in the registers from the adapter. 1000 */ 1001 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1002 if ((*aac_drivers[index].init)(aac)) 1003 goto out_unmap; 1004 1005 /* 1006 * Start any kernel threads needed 1007 */ 1008 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1009 if (IS_ERR(aac->thread)) { 1010 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1011 error = PTR_ERR(aac->thread); 1012 goto out_deinit; 1013 } 1014 1015 /* 1016 * If we had set a smaller DMA mask earlier, set it to 4gig 1017 * now since the adapter can dma data to at least a 4gig 1018 * address space. 1019 */ 1020 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1021 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 1022 goto out_deinit; 1023 1024 aac->maximum_num_channels = aac_drivers[index].channels; 1025 error = aac_get_adapter_info(aac); 1026 if (error < 0) 1027 goto out_deinit; 1028 1029 /* 1030 * Lets override negotiations and drop the maximum SG limit to 34 1031 */ 1032 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1033 (aac->scsi_host_ptr->sg_tablesize > 34)) { 1034 aac->scsi_host_ptr->sg_tablesize = 34; 1035 aac->scsi_host_ptr->max_sectors 1036 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1037 } 1038 1039 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1040 (aac->scsi_host_ptr->sg_tablesize > 17)) { 1041 aac->scsi_host_ptr->sg_tablesize = 17; 1042 aac->scsi_host_ptr->max_sectors 1043 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1044 } 1045 1046 /* 1047 * Firware printf works only with older firmware. 1048 */ 1049 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1050 aac->printf_enabled = 1; 1051 else 1052 aac->printf_enabled = 0; 1053 1054 /* 1055 * max channel will be the physical channels plus 1 virtual channel 1056 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1057 * physical channels are address by their actual physical number+1 1058 */ 1059 if ((aac->nondasd_support == 1) || expose_physicals) 1060 shost->max_channel = aac->maximum_num_channels; 1061 else 1062 shost->max_channel = 0; 1063 1064 aac_get_config_status(aac, 0); 1065 aac_get_containers(aac); 1066 list_add(&aac->entry, insert); 1067 1068 shost->max_id = aac->maximum_num_containers; 1069 if (shost->max_id < aac->maximum_num_physicals) 1070 shost->max_id = aac->maximum_num_physicals; 1071 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1072 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1073 else 1074 shost->this_id = shost->max_id; 1075 1076 /* 1077 * dmb - we may need to move the setting of these parms somewhere else once 1078 * we get a fib that can report the actual numbers 1079 */ 1080 shost->max_lun = AAC_MAX_LUN; 1081 1082 pci_set_drvdata(pdev, shost); 1083 1084 error = scsi_add_host(shost, &pdev->dev); 1085 if (error) 1086 goto out_deinit; 1087 scsi_scan_host(shost); 1088 1089 return 0; 1090 1091 out_deinit: 1092 kthread_stop(aac->thread); 1093 aac_send_shutdown(aac); 1094 aac_adapter_disable_int(aac); 1095 free_irq(pdev->irq, aac); 1096 out_unmap: 1097 aac_fib_map_free(aac); 1098 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys); 1099 kfree(aac->queues); 1100 aac_adapter_ioremap(aac, 0); 1101 kfree(aac->fibs); 1102 kfree(aac->fsa_dev); 1103 out_free_host: 1104 scsi_host_put(shost); 1105 out_disable_pdev: 1106 pci_disable_device(pdev); 1107 out: 1108 return error; 1109} 1110 1111static void aac_shutdown(struct pci_dev *dev) 1112{ 1113 struct Scsi_Host *shost = pci_get_drvdata(dev); 1114 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1115 aac_send_shutdown(aac); 1116} 1117 1118static void __devexit aac_remove_one(struct pci_dev *pdev) 1119{ 1120 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1121 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1122 1123 scsi_remove_host(shost); 1124 1125 kthread_stop(aac->thread); 1126 1127 aac_send_shutdown(aac); 1128 aac_adapter_disable_int(aac); 1129 aac_fib_map_free(aac); 1130 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1131 aac->comm_phys); 1132 kfree(aac->queues); 1133 1134 free_irq(pdev->irq, aac); 1135 aac_adapter_ioremap(aac, 0); 1136 1137 kfree(aac->fibs); 1138 kfree(aac->fsa_dev); 1139 1140 list_del(&aac->entry); 1141 scsi_host_put(shost); 1142 pci_disable_device(pdev); 1143 if (list_empty(&aac_devices)) { 1144 unregister_chrdev(aac_cfg_major, "aac"); 1145 aac_cfg_major = -1; 1146 } 1147} 1148 1149static struct pci_driver aac_pci_driver = { 1150 .name = AAC_DRIVERNAME, 1151 .id_table = aac_pci_tbl, 1152 .probe = aac_probe_one, 1153 .remove = __devexit_p(aac_remove_one), 1154 .shutdown = aac_shutdown, 1155}; 1156 1157static int __init aac_init(void) 1158{ 1159 int error; 1160 1161 printk(KERN_INFO "Adaptec %s driver %s\n", 1162 AAC_DRIVERNAME, aac_driver_version); 1163 1164 error = pci_register_driver(&aac_pci_driver); 1165 if (error < 0) 1166 return error; 1167 1168 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1169 if (aac_cfg_major < 0) { 1170 printk(KERN_WARNING 1171 "aacraid: unable to register \"aac\" device.\n"); 1172 } 1173 1174 return 0; 1175} 1176 1177static void __exit aac_exit(void) 1178{ 1179 if (aac_cfg_major > -1) 1180 unregister_chrdev(aac_cfg_major, "aac"); 1181 pci_unregister_driver(&aac_pci_driver); 1182} 1183 1184module_init(aac_init); 1185module_exit(aac_exit); 1186