linit.c revision b18268fc631034882f5f3dd93daa248a3bfdd085
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 | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */ 168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */ 169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */ 170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */ 171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */ 172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */ 173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */ 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */ 175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */ 176 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */ 177 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */ 178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */ 179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */ 180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */ 181 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */ 182 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* 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 | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */ 228 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* 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 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata; 405 if ((sdev->type == TYPE_DISK) && 406 (sdev_channel(sdev) != CONTAINER_CHANNEL) && 407 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) { 408 if (expose_physicals == 0) 409 return -ENXIO; 410 if (expose_physicals < 0) 411 sdev->no_uld_attach = 1; 412 } 413 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 414 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 415 struct scsi_device * dev; 416 struct Scsi_Host *host = sdev->host; 417 unsigned num_lsu = 0; 418 unsigned num_one = 0; 419 unsigned depth; 420 unsigned cid; 421 422 /* 423 * Firmware has an individual device recovery time typically 424 * of 35 seconds, give us a margin. 425 */ 426 if (sdev->timeout < (45 * HZ)) 427 sdev->timeout = 45 * HZ; 428 for (cid = 0; cid < aac->maximum_num_containers; ++cid) 429 if (aac->fsa_dev[cid].valid) 430 ++num_lsu; 431 __shost_for_each_device(dev, host) { 432 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 433 (sdev_channel(dev) == CONTAINER_CHANNEL)) { 434 if (!aac->fsa_dev[sdev_id(dev)].valid) 435 ++num_lsu; 436 } else 437 ++num_one; 438 } 439 if (num_lsu == 0) 440 ++num_lsu; 441 depth = (host->can_queue - num_one) / num_lsu; 442 if (depth > 256) 443 depth = 256; 444 else if (depth < 2) 445 depth = 2; 446 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 447 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options & 448 AAC_OPT_NEW_COMM)) 449 blk_queue_max_segment_size(sdev->request_queue, 65536); 450 } else 451 scsi_adjust_queue_depth(sdev, 0, 1); 452 453 return 0; 454} 455 456/** 457 * aac_change_queue_depth - alter queue depths 458 * @sdev: SCSI device we are considering 459 * @depth: desired queue depth 460 * 461 * Alters queue depths for target device based on the host adapter's 462 * total capacity and the queue depth supported by the target device. 463 */ 464 465static int aac_change_queue_depth(struct scsi_device *sdev, int depth) 466{ 467 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) && 468 (sdev_channel(sdev) == CONTAINER_CHANNEL)) { 469 struct scsi_device * dev; 470 struct Scsi_Host *host = sdev->host; 471 unsigned num = 0; 472 473 __shost_for_each_device(dev, host) { 474 if (dev->tagged_supported && (dev->type == TYPE_DISK) && 475 (sdev_channel(dev) == CONTAINER_CHANNEL)) 476 ++num; 477 ++num; 478 } 479 if (num >= host->can_queue) 480 num = host->can_queue - 1; 481 if (depth > (host->can_queue - num)) 482 depth = host->can_queue - num; 483 if (depth > 256) 484 depth = 256; 485 else if (depth < 2) 486 depth = 2; 487 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth); 488 } else 489 scsi_adjust_queue_depth(sdev, 0, 1); 490 return sdev->queue_depth; 491} 492 493static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf) 494{ 495 struct scsi_device * sdev = to_scsi_device(dev); 496 if (sdev_channel(sdev) != CONTAINER_CHANNEL) 497 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach 498 ? "Hidden\n" : "JBOD"); 499 return snprintf(buf, PAGE_SIZE, "%s\n", 500 get_container_type(((struct aac_dev *)(sdev->host->hostdata)) 501 ->fsa_dev[sdev_id(sdev)].type)); 502} 503 504static struct device_attribute aac_raid_level_attr = { 505 .attr = { 506 .name = "level", 507 .mode = S_IRUGO, 508 }, 509 .show = aac_show_raid_level 510}; 511 512static struct device_attribute *aac_dev_attrs[] = { 513 &aac_raid_level_attr, 514 NULL, 515}; 516 517static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg) 518{ 519 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 520 return aac_do_ioctl(dev, cmd, arg); 521} 522 523static int aac_eh_abort(struct scsi_cmnd* cmd) 524{ 525 struct scsi_device * dev = cmd->device; 526 struct Scsi_Host * host = dev->host; 527 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 528 int count; 529 int ret = FAILED; 530 531 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 532 AAC_DRIVERNAME, 533 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 534 switch (cmd->cmnd[0]) { 535 case SERVICE_ACTION_IN: 536 if (!(aac->raw_io_interface) || 537 !(aac->raw_io_64) || 538 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 539 break; 540 case INQUIRY: 541 case READ_CAPACITY: 542 /* Mark associated FIB to not complete, eh handler does this */ 543 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 544 struct fib * fib = &aac->fibs[count]; 545 if (fib->hw_fib_va->header.XferState && 546 (fib->flags & FIB_CONTEXT_FLAG) && 547 (fib->callback_data == cmd)) { 548 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 549 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 550 ret = SUCCESS; 551 } 552 } 553 break; 554 case TEST_UNIT_READY: 555 /* Mark associated FIB to not complete, eh handler does this */ 556 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 557 struct scsi_cmnd * command; 558 struct fib * fib = &aac->fibs[count]; 559 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && 560 (fib->flags & FIB_CONTEXT_FLAG) && 561 ((command = fib->callback_data)) && 562 (command->device == cmd->device)) { 563 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 564 command->SCp.phase = AAC_OWNER_ERROR_HANDLER; 565 if (command == cmd) 566 ret = SUCCESS; 567 } 568 } 569 } 570 return ret; 571} 572 573/* 574 * aac_eh_reset - Reset command handling 575 * @scsi_cmd: SCSI command block causing the reset 576 * 577 */ 578static int aac_eh_reset(struct scsi_cmnd* cmd) 579{ 580 struct scsi_device * dev = cmd->device; 581 struct Scsi_Host * host = dev->host; 582 struct scsi_cmnd * command; 583 int count; 584 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 585 unsigned long flags; 586 587 /* Mark the associated FIB to not complete, eh handler does this */ 588 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 589 struct fib * fib = &aac->fibs[count]; 590 if (fib->hw_fib_va->header.XferState && 591 (fib->flags & FIB_CONTEXT_FLAG) && 592 (fib->callback_data == cmd)) { 593 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 594 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 595 } 596 } 597 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 598 AAC_DRIVERNAME); 599 600 if ((count = aac_check_health(aac))) 601 return count; 602 /* 603 * Wait for all commands to complete to this specific 604 * target (block maximum 60 seconds). 605 */ 606 for (count = 60; count; --count) { 607 int active = aac->in_reset; 608 609 if (active == 0) 610 __shost_for_each_device(dev, host) { 611 spin_lock_irqsave(&dev->list_lock, flags); 612 list_for_each_entry(command, &dev->cmd_list, list) { 613 if ((command != cmd) && 614 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 615 active++; 616 break; 617 } 618 } 619 spin_unlock_irqrestore(&dev->list_lock, flags); 620 if (active) 621 break; 622 623 } 624 /* 625 * We can exit If all the commands are complete 626 */ 627 if (active == 0) 628 return SUCCESS; 629 ssleep(1); 630 } 631 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 632 /* 633 * This adapter needs a blind reset, only do so for Adapters that 634 * support a register, instead of a commanded, reset. 635 */ 636 if ((aac->supplement_adapter_info.SupportedOptions2 & 637 AAC_OPTION_MU_RESET) && 638 aac_check_reset && 639 ((aac_check_reset != 1) || 640 (aac->supplement_adapter_info.SupportedOptions2 & 641 AAC_OPTION_IGNORE_RESET))) 642 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 643 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 644} 645 646/** 647 * aac_cfg_open - open a configuration file 648 * @inode: inode being opened 649 * @file: file handle attached 650 * 651 * Called when the configuration device is opened. Does the needed 652 * set up on the handle and then returns 653 * 654 * Bugs: This needs extending to check a given adapter is present 655 * so we can support hot plugging, and to ref count adapters. 656 */ 657 658static int aac_cfg_open(struct inode *inode, struct file *file) 659{ 660 struct aac_dev *aac; 661 unsigned minor_number = iminor(inode); 662 int err = -ENODEV; 663 664 list_for_each_entry(aac, &aac_devices, entry) { 665 if (aac->id == minor_number) { 666 file->private_data = aac; 667 err = 0; 668 break; 669 } 670 } 671 672 return err; 673} 674 675/** 676 * aac_cfg_ioctl - AAC configuration request 677 * @inode: inode of device 678 * @file: file handle 679 * @cmd: ioctl command code 680 * @arg: argument 681 * 682 * Handles a configuration ioctl. Currently this involves wrapping it 683 * up and feeding it into the nasty windowsalike glue layer. 684 * 685 * Bugs: Needs locking against parallel ioctls lower down 686 * Bugs: Needs to handle hot plugging 687 */ 688 689static int aac_cfg_ioctl(struct inode *inode, struct file *file, 690 unsigned int cmd, unsigned long arg) 691{ 692 if (!capable(CAP_SYS_RAWIO)) 693 return -EPERM; 694 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 695} 696 697#ifdef CONFIG_COMPAT 698static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 699{ 700 long ret; 701 lock_kernel(); 702 switch (cmd) { 703 case FSACTL_MINIPORT_REV_CHECK: 704 case FSACTL_SENDFIB: 705 case FSACTL_OPEN_GET_ADAPTER_FIB: 706 case FSACTL_CLOSE_GET_ADAPTER_FIB: 707 case FSACTL_SEND_RAW_SRB: 708 case FSACTL_GET_PCI_INFO: 709 case FSACTL_QUERY_DISK: 710 case FSACTL_DELETE_DISK: 711 case FSACTL_FORCE_DELETE_DISK: 712 case FSACTL_GET_CONTAINERS: 713 case FSACTL_SEND_LARGE_FIB: 714 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 715 break; 716 717 case FSACTL_GET_NEXT_ADAPTER_FIB: { 718 struct fib_ioctl __user *f; 719 720 f = compat_alloc_user_space(sizeof(*f)); 721 ret = 0; 722 if (clear_user(f, sizeof(*f))) 723 ret = -EFAULT; 724 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 725 ret = -EFAULT; 726 if (!ret) 727 ret = aac_do_ioctl(dev, cmd, f); 728 break; 729 } 730 731 default: 732 ret = -ENOIOCTLCMD; 733 break; 734 } 735 unlock_kernel(); 736 return ret; 737} 738 739static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 740{ 741 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 742 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 743} 744 745static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 746{ 747 if (!capable(CAP_SYS_RAWIO)) 748 return -EPERM; 749 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 750} 751#endif 752 753static ssize_t aac_show_model(struct class_device *class_dev, 754 char *buf) 755{ 756 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 757 int len; 758 759 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 760 char * cp = dev->supplement_adapter_info.AdapterTypeText; 761 while (*cp && *cp != ' ') 762 ++cp; 763 while (*cp == ' ') 764 ++cp; 765 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 766 } else 767 len = snprintf(buf, PAGE_SIZE, "%s\n", 768 aac_drivers[dev->cardtype].model); 769 return len; 770} 771 772static ssize_t aac_show_vendor(struct class_device *class_dev, 773 char *buf) 774{ 775 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 776 int len; 777 778 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 779 char * cp = dev->supplement_adapter_info.AdapterTypeText; 780 while (*cp && *cp != ' ') 781 ++cp; 782 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 783 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 784 dev->supplement_adapter_info.AdapterTypeText); 785 } else 786 len = snprintf(buf, PAGE_SIZE, "%s\n", 787 aac_drivers[dev->cardtype].vname); 788 return len; 789} 790 791static ssize_t aac_show_kernel_version(struct class_device *class_dev, 792 char *buf) 793{ 794 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 795 int len, tmp; 796 797 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 798 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 799 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 800 le32_to_cpu(dev->adapter_info.kernelbuild)); 801 return len; 802} 803 804static ssize_t aac_show_monitor_version(struct class_device *class_dev, 805 char *buf) 806{ 807 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 808 int len, tmp; 809 810 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 811 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 812 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 813 le32_to_cpu(dev->adapter_info.monitorbuild)); 814 return len; 815} 816 817static ssize_t aac_show_bios_version(struct class_device *class_dev, 818 char *buf) 819{ 820 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 821 int len, tmp; 822 823 tmp = le32_to_cpu(dev->adapter_info.biosrev); 824 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 825 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 826 le32_to_cpu(dev->adapter_info.biosbuild)); 827 return len; 828} 829 830ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf) 831{ 832 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 833 int len = 0; 834 835 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 836 len = snprintf(buf, PAGE_SIZE, "%06X\n", 837 le32_to_cpu(dev->adapter_info.serial[0])); 838 if (len && 839 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 840 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len], 841 buf, len)) 842 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 843 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 844 dev->supplement_adapter_info.MfgPcbaSerialNo); 845 return len; 846} 847 848static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 849{ 850 return snprintf(buf, PAGE_SIZE, "%d\n", 851 class_to_shost(class_dev)->max_channel); 852} 853 854static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 855{ 856 return snprintf(buf, PAGE_SIZE, "%d\n", 857 class_to_shost(class_dev)->max_id); 858} 859 860static ssize_t aac_store_reset_adapter(struct class_device *class_dev, 861 const char *buf, size_t count) 862{ 863 int retval = -EACCES; 864 865 if (!capable(CAP_SYS_ADMIN)) 866 return retval; 867 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!'); 868 if (retval >= 0) 869 retval = count; 870 return retval; 871} 872 873static ssize_t aac_show_reset_adapter(struct class_device *class_dev, 874 char *buf) 875{ 876 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 877 int len, tmp; 878 879 tmp = aac_adapter_check_health(dev); 880 if ((tmp == 0) && dev->in_reset) 881 tmp = -EBUSY; 882 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 883 return len; 884} 885 886static struct class_device_attribute aac_model = { 887 .attr = { 888 .name = "model", 889 .mode = S_IRUGO, 890 }, 891 .show = aac_show_model, 892}; 893static struct class_device_attribute aac_vendor = { 894 .attr = { 895 .name = "vendor", 896 .mode = S_IRUGO, 897 }, 898 .show = aac_show_vendor, 899}; 900static struct class_device_attribute aac_kernel_version = { 901 .attr = { 902 .name = "hba_kernel_version", 903 .mode = S_IRUGO, 904 }, 905 .show = aac_show_kernel_version, 906}; 907static struct class_device_attribute aac_monitor_version = { 908 .attr = { 909 .name = "hba_monitor_version", 910 .mode = S_IRUGO, 911 }, 912 .show = aac_show_monitor_version, 913}; 914static struct class_device_attribute aac_bios_version = { 915 .attr = { 916 .name = "hba_bios_version", 917 .mode = S_IRUGO, 918 }, 919 .show = aac_show_bios_version, 920}; 921static struct class_device_attribute aac_serial_number = { 922 .attr = { 923 .name = "serial_number", 924 .mode = S_IRUGO, 925 }, 926 .show = aac_show_serial_number, 927}; 928static struct class_device_attribute aac_max_channel = { 929 .attr = { 930 .name = "max_channel", 931 .mode = S_IRUGO, 932 }, 933 .show = aac_show_max_channel, 934}; 935static struct class_device_attribute aac_max_id = { 936 .attr = { 937 .name = "max_id", 938 .mode = S_IRUGO, 939 }, 940 .show = aac_show_max_id, 941}; 942static struct class_device_attribute aac_reset = { 943 .attr = { 944 .name = "reset_host", 945 .mode = S_IWUSR|S_IRUGO, 946 }, 947 .store = aac_store_reset_adapter, 948 .show = aac_show_reset_adapter, 949}; 950 951static struct class_device_attribute *aac_attrs[] = { 952 &aac_model, 953 &aac_vendor, 954 &aac_kernel_version, 955 &aac_monitor_version, 956 &aac_bios_version, 957 &aac_serial_number, 958 &aac_max_channel, 959 &aac_max_id, 960 &aac_reset, 961 NULL 962}; 963 964 965static const struct file_operations aac_cfg_fops = { 966 .owner = THIS_MODULE, 967 .ioctl = aac_cfg_ioctl, 968#ifdef CONFIG_COMPAT 969 .compat_ioctl = aac_compat_cfg_ioctl, 970#endif 971 .open = aac_cfg_open, 972}; 973 974static struct scsi_host_template aac_driver_template = { 975 .module = THIS_MODULE, 976 .name = "AAC", 977 .proc_name = AAC_DRIVERNAME, 978 .info = aac_info, 979 .ioctl = aac_ioctl, 980#ifdef CONFIG_COMPAT 981 .compat_ioctl = aac_compat_ioctl, 982#endif 983 .queuecommand = aac_queuecommand, 984 .bios_param = aac_biosparm, 985 .shost_attrs = aac_attrs, 986 .slave_configure = aac_slave_configure, 987 .change_queue_depth = aac_change_queue_depth, 988 .sdev_attrs = aac_dev_attrs, 989 .eh_abort_handler = aac_eh_abort, 990 .eh_host_reset_handler = aac_eh_reset, 991 .can_queue = AAC_NUM_IO_FIB, 992 .this_id = MAXIMUM_NUM_CONTAINERS, 993 .sg_tablesize = 16, 994 .max_sectors = 128, 995#if (AAC_NUM_IO_FIB > 256) 996 .cmd_per_lun = 256, 997#else 998 .cmd_per_lun = AAC_NUM_IO_FIB, 999#endif 1000 .use_clustering = ENABLE_CLUSTERING, 1001 .use_sg_chaining = ENABLE_SG_CHAINING, 1002 .emulated = 1, 1003}; 1004 1005static void __aac_shutdown(struct aac_dev * aac) 1006{ 1007 if (aac->aif_thread) 1008 kthread_stop(aac->thread); 1009 aac_send_shutdown(aac); 1010 aac_adapter_disable_int(aac); 1011 free_irq(aac->pdev->irq, aac); 1012} 1013 1014static int __devinit aac_probe_one(struct pci_dev *pdev, 1015 const struct pci_device_id *id) 1016{ 1017 unsigned index = id->driver_data; 1018 struct Scsi_Host *shost; 1019 struct aac_dev *aac; 1020 struct list_head *insert = &aac_devices; 1021 int error = -ENODEV; 1022 int unique_id = 0; 1023 1024 list_for_each_entry(aac, &aac_devices, entry) { 1025 if (aac->id > unique_id) 1026 break; 1027 insert = &aac->entry; 1028 unique_id++; 1029 } 1030 1031 error = pci_enable_device(pdev); 1032 if (error) 1033 goto out; 1034 error = -ENODEV; 1035 1036 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 1037 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 1038 goto out_disable_pdev; 1039 /* 1040 * If the quirk31 bit is set, the adapter needs adapter 1041 * to driver communication memory to be allocated below 2gig 1042 */ 1043 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1044 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 1045 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 1046 goto out_disable_pdev; 1047 1048 pci_set_master(pdev); 1049 1050 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1051 if (!shost) 1052 goto out_disable_pdev; 1053 1054 shost->irq = pdev->irq; 1055 shost->base = pci_resource_start(pdev, 0); 1056 shost->unique_id = unique_id; 1057 shost->max_cmd_len = 16; 1058 1059 aac = (struct aac_dev *)shost->hostdata; 1060 aac->scsi_host_ptr = shost; 1061 aac->pdev = pdev; 1062 aac->name = aac_driver_template.name; 1063 aac->id = shost->unique_id; 1064 aac->cardtype = index; 1065 INIT_LIST_HEAD(&aac->entry); 1066 1067 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1068 if (!aac->fibs) 1069 goto out_free_host; 1070 spin_lock_init(&aac->fib_lock); 1071 1072 /* 1073 * Map in the registers from the adapter. 1074 */ 1075 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1076 if ((*aac_drivers[index].init)(aac)) 1077 goto out_unmap; 1078 1079 /* 1080 * Start any kernel threads needed 1081 */ 1082 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1083 if (IS_ERR(aac->thread)) { 1084 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1085 error = PTR_ERR(aac->thread); 1086 goto out_deinit; 1087 } 1088 1089 /* 1090 * If we had set a smaller DMA mask earlier, set it to 4gig 1091 * now since the adapter can dma data to at least a 4gig 1092 * address space. 1093 */ 1094 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1095 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 1096 goto out_deinit; 1097 1098 aac->maximum_num_channels = aac_drivers[index].channels; 1099 error = aac_get_adapter_info(aac); 1100 if (error < 0) 1101 goto out_deinit; 1102 1103 /* 1104 * Lets override negotiations and drop the maximum SG limit to 34 1105 */ 1106 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1107 (aac->scsi_host_ptr->sg_tablesize > 34)) { 1108 aac->scsi_host_ptr->sg_tablesize = 34; 1109 aac->scsi_host_ptr->max_sectors 1110 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1111 } 1112 1113 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1114 (aac->scsi_host_ptr->sg_tablesize > 17)) { 1115 aac->scsi_host_ptr->sg_tablesize = 17; 1116 aac->scsi_host_ptr->max_sectors 1117 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1118 } 1119 1120 /* 1121 * Firware printf works only with older firmware. 1122 */ 1123 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1124 aac->printf_enabled = 1; 1125 else 1126 aac->printf_enabled = 0; 1127 1128 /* 1129 * max channel will be the physical channels plus 1 virtual channel 1130 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1131 * physical channels are address by their actual physical number+1 1132 */ 1133 if ((aac->nondasd_support == 1) || expose_physicals) 1134 shost->max_channel = aac->maximum_num_channels; 1135 else 1136 shost->max_channel = 0; 1137 1138 aac_get_config_status(aac, 0); 1139 aac_get_containers(aac); 1140 list_add(&aac->entry, insert); 1141 1142 shost->max_id = aac->maximum_num_containers; 1143 if (shost->max_id < aac->maximum_num_physicals) 1144 shost->max_id = aac->maximum_num_physicals; 1145 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1146 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1147 else 1148 shost->this_id = shost->max_id; 1149 1150 /* 1151 * dmb - we may need to move the setting of these parms somewhere else once 1152 * we get a fib that can report the actual numbers 1153 */ 1154 shost->max_lun = AAC_MAX_LUN; 1155 1156 pci_set_drvdata(pdev, shost); 1157 1158 error = scsi_add_host(shost, &pdev->dev); 1159 if (error) 1160 goto out_deinit; 1161 scsi_scan_host(shost); 1162 1163 return 0; 1164 1165 out_deinit: 1166 __aac_shutdown(aac); 1167 out_unmap: 1168 aac_fib_map_free(aac); 1169 if (aac->comm_addr) 1170 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1171 aac->comm_phys); 1172 kfree(aac->queues); 1173 aac_adapter_ioremap(aac, 0); 1174 kfree(aac->fibs); 1175 kfree(aac->fsa_dev); 1176 out_free_host: 1177 scsi_host_put(shost); 1178 out_disable_pdev: 1179 pci_disable_device(pdev); 1180 out: 1181 return error; 1182} 1183 1184static void aac_shutdown(struct pci_dev *dev) 1185{ 1186 struct Scsi_Host *shost = pci_get_drvdata(dev); 1187 scsi_block_requests(shost); 1188 __aac_shutdown((struct aac_dev *)shost->hostdata); 1189} 1190 1191static void __devexit aac_remove_one(struct pci_dev *pdev) 1192{ 1193 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1194 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1195 1196 scsi_remove_host(shost); 1197 1198 __aac_shutdown(aac); 1199 aac_fib_map_free(aac); 1200 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1201 aac->comm_phys); 1202 kfree(aac->queues); 1203 1204 aac_adapter_ioremap(aac, 0); 1205 1206 kfree(aac->fibs); 1207 kfree(aac->fsa_dev); 1208 1209 list_del(&aac->entry); 1210 scsi_host_put(shost); 1211 pci_disable_device(pdev); 1212 if (list_empty(&aac_devices)) { 1213 unregister_chrdev(aac_cfg_major, "aac"); 1214 aac_cfg_major = -1; 1215 } 1216} 1217 1218static struct pci_driver aac_pci_driver = { 1219 .name = AAC_DRIVERNAME, 1220 .id_table = aac_pci_tbl, 1221 .probe = aac_probe_one, 1222 .remove = __devexit_p(aac_remove_one), 1223 .shutdown = aac_shutdown, 1224}; 1225 1226static int __init aac_init(void) 1227{ 1228 int error; 1229 1230 printk(KERN_INFO "Adaptec %s driver %s\n", 1231 AAC_DRIVERNAME, aac_driver_version); 1232 1233 error = pci_register_driver(&aac_pci_driver); 1234 if (error < 0) 1235 return error; 1236 1237 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1238 if (aac_cfg_major < 0) { 1239 printk(KERN_WARNING 1240 "aacraid: unable to register \"aac\" device.\n"); 1241 } 1242 1243 return 0; 1244} 1245 1246static void __exit aac_exit(void) 1247{ 1248 if (aac_cfg_major > -1) 1249 unregister_chrdev(aac_cfg_major, "aac"); 1250 pci_unregister_driver(&aac_pci_driver); 1251} 1252 1253module_init(aac_init); 1254module_exit(aac_exit); 1255