linit.c revision 8ce3eca4dc8161e030a055bde94cde28476e0894
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 if (!capable(CAP_SYS_RAWIO)) 521 return -EPERM; 522 return aac_do_ioctl(dev, cmd, arg); 523} 524 525static int aac_eh_abort(struct scsi_cmnd* cmd) 526{ 527 struct scsi_device * dev = cmd->device; 528 struct Scsi_Host * host = dev->host; 529 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 530 int count; 531 int ret = FAILED; 532 533 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n", 534 AAC_DRIVERNAME, 535 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun); 536 switch (cmd->cmnd[0]) { 537 case SERVICE_ACTION_IN: 538 if (!(aac->raw_io_interface) || 539 !(aac->raw_io_64) || 540 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16)) 541 break; 542 case INQUIRY: 543 case READ_CAPACITY: 544 /* Mark associated FIB to not complete, eh handler does this */ 545 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 546 struct fib * fib = &aac->fibs[count]; 547 if (fib->hw_fib_va->header.XferState && 548 (fib->flags & FIB_CONTEXT_FLAG) && 549 (fib->callback_data == cmd)) { 550 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 551 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 552 ret = SUCCESS; 553 } 554 } 555 break; 556 case TEST_UNIT_READY: 557 /* Mark associated FIB to not complete, eh handler does this */ 558 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 559 struct scsi_cmnd * command; 560 struct fib * fib = &aac->fibs[count]; 561 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) && 562 (fib->flags & FIB_CONTEXT_FLAG) && 563 ((command = fib->callback_data)) && 564 (command->device == cmd->device)) { 565 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 566 command->SCp.phase = AAC_OWNER_ERROR_HANDLER; 567 if (command == cmd) 568 ret = SUCCESS; 569 } 570 } 571 } 572 return ret; 573} 574 575/* 576 * aac_eh_reset - Reset command handling 577 * @scsi_cmd: SCSI command block causing the reset 578 * 579 */ 580static int aac_eh_reset(struct scsi_cmnd* cmd) 581{ 582 struct scsi_device * dev = cmd->device; 583 struct Scsi_Host * host = dev->host; 584 struct scsi_cmnd * command; 585 int count; 586 struct aac_dev * aac = (struct aac_dev *)host->hostdata; 587 unsigned long flags; 588 589 /* Mark the associated FIB to not complete, eh handler does this */ 590 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { 591 struct fib * fib = &aac->fibs[count]; 592 if (fib->hw_fib_va->header.XferState && 593 (fib->flags & FIB_CONTEXT_FLAG) && 594 (fib->callback_data == cmd)) { 595 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT; 596 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER; 597 } 598 } 599 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n", 600 AAC_DRIVERNAME); 601 602 if ((count = aac_check_health(aac))) 603 return count; 604 /* 605 * Wait for all commands to complete to this specific 606 * target (block maximum 60 seconds). 607 */ 608 for (count = 60; count; --count) { 609 int active = aac->in_reset; 610 611 if (active == 0) 612 __shost_for_each_device(dev, host) { 613 spin_lock_irqsave(&dev->list_lock, flags); 614 list_for_each_entry(command, &dev->cmd_list, list) { 615 if ((command != cmd) && 616 (command->SCp.phase == AAC_OWNER_FIRMWARE)) { 617 active++; 618 break; 619 } 620 } 621 spin_unlock_irqrestore(&dev->list_lock, flags); 622 if (active) 623 break; 624 625 } 626 /* 627 * We can exit If all the commands are complete 628 */ 629 if (active == 0) 630 return SUCCESS; 631 ssleep(1); 632 } 633 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME); 634 /* 635 * This adapter needs a blind reset, only do so for Adapters that 636 * support a register, instead of a commanded, reset. 637 */ 638 if ((aac->supplement_adapter_info.SupportedOptions2 & 639 AAC_OPTION_MU_RESET) && 640 aac_check_reset && 641 ((aac_check_reset != 1) || 642 (aac->supplement_adapter_info.SupportedOptions2 & 643 AAC_OPTION_IGNORE_RESET))) 644 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */ 645 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */ 646} 647 648/** 649 * aac_cfg_open - open a configuration file 650 * @inode: inode being opened 651 * @file: file handle attached 652 * 653 * Called when the configuration device is opened. Does the needed 654 * set up on the handle and then returns 655 * 656 * Bugs: This needs extending to check a given adapter is present 657 * so we can support hot plugging, and to ref count adapters. 658 */ 659 660static int aac_cfg_open(struct inode *inode, struct file *file) 661{ 662 struct aac_dev *aac; 663 unsigned minor_number = iminor(inode); 664 int err = -ENODEV; 665 666 list_for_each_entry(aac, &aac_devices, entry) { 667 if (aac->id == minor_number) { 668 file->private_data = aac; 669 err = 0; 670 break; 671 } 672 } 673 674 return err; 675} 676 677/** 678 * aac_cfg_ioctl - AAC configuration request 679 * @inode: inode of device 680 * @file: file handle 681 * @cmd: ioctl command code 682 * @arg: argument 683 * 684 * Handles a configuration ioctl. Currently this involves wrapping it 685 * up and feeding it into the nasty windowsalike glue layer. 686 * 687 * Bugs: Needs locking against parallel ioctls lower down 688 * Bugs: Needs to handle hot plugging 689 */ 690 691static int aac_cfg_ioctl(struct inode *inode, struct file *file, 692 unsigned int cmd, unsigned long arg) 693{ 694 if (!capable(CAP_SYS_RAWIO)) 695 return -EPERM; 696 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg); 697} 698 699#ifdef CONFIG_COMPAT 700static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg) 701{ 702 long ret; 703 lock_kernel(); 704 switch (cmd) { 705 case FSACTL_MINIPORT_REV_CHECK: 706 case FSACTL_SENDFIB: 707 case FSACTL_OPEN_GET_ADAPTER_FIB: 708 case FSACTL_CLOSE_GET_ADAPTER_FIB: 709 case FSACTL_SEND_RAW_SRB: 710 case FSACTL_GET_PCI_INFO: 711 case FSACTL_QUERY_DISK: 712 case FSACTL_DELETE_DISK: 713 case FSACTL_FORCE_DELETE_DISK: 714 case FSACTL_GET_CONTAINERS: 715 case FSACTL_SEND_LARGE_FIB: 716 ret = aac_do_ioctl(dev, cmd, (void __user *)arg); 717 break; 718 719 case FSACTL_GET_NEXT_ADAPTER_FIB: { 720 struct fib_ioctl __user *f; 721 722 f = compat_alloc_user_space(sizeof(*f)); 723 ret = 0; 724 if (clear_user(f, sizeof(*f))) 725 ret = -EFAULT; 726 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32))) 727 ret = -EFAULT; 728 if (!ret) 729 ret = aac_do_ioctl(dev, cmd, f); 730 break; 731 } 732 733 default: 734 ret = -ENOIOCTLCMD; 735 break; 736 } 737 unlock_kernel(); 738 return ret; 739} 740 741static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg) 742{ 743 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata; 744 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg); 745} 746 747static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg) 748{ 749 if (!capable(CAP_SYS_RAWIO)) 750 return -EPERM; 751 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg); 752} 753#endif 754 755static ssize_t aac_show_model(struct class_device *class_dev, 756 char *buf) 757{ 758 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 759 int len; 760 761 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 762 char * cp = dev->supplement_adapter_info.AdapterTypeText; 763 while (*cp && *cp != ' ') 764 ++cp; 765 while (*cp == ' ') 766 ++cp; 767 len = snprintf(buf, PAGE_SIZE, "%s\n", cp); 768 } else 769 len = snprintf(buf, PAGE_SIZE, "%s\n", 770 aac_drivers[dev->cardtype].model); 771 return len; 772} 773 774static ssize_t aac_show_vendor(struct class_device *class_dev, 775 char *buf) 776{ 777 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 778 int len; 779 780 if (dev->supplement_adapter_info.AdapterTypeText[0]) { 781 char * cp = dev->supplement_adapter_info.AdapterTypeText; 782 while (*cp && *cp != ' ') 783 ++cp; 784 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 785 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText), 786 dev->supplement_adapter_info.AdapterTypeText); 787 } else 788 len = snprintf(buf, PAGE_SIZE, "%s\n", 789 aac_drivers[dev->cardtype].vname); 790 return len; 791} 792 793static ssize_t aac_show_kernel_version(struct class_device *class_dev, 794 char *buf) 795{ 796 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 797 int len, tmp; 798 799 tmp = le32_to_cpu(dev->adapter_info.kernelrev); 800 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 801 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 802 le32_to_cpu(dev->adapter_info.kernelbuild)); 803 return len; 804} 805 806static ssize_t aac_show_monitor_version(struct class_device *class_dev, 807 char *buf) 808{ 809 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 810 int len, tmp; 811 812 tmp = le32_to_cpu(dev->adapter_info.monitorrev); 813 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 814 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 815 le32_to_cpu(dev->adapter_info.monitorbuild)); 816 return len; 817} 818 819static ssize_t aac_show_bios_version(struct class_device *class_dev, 820 char *buf) 821{ 822 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 823 int len, tmp; 824 825 tmp = le32_to_cpu(dev->adapter_info.biosrev); 826 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n", 827 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff, 828 le32_to_cpu(dev->adapter_info.biosbuild)); 829 return len; 830} 831 832ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf) 833{ 834 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 835 int len = 0; 836 837 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0) 838 len = snprintf(buf, PAGE_SIZE, "%06X\n", 839 le32_to_cpu(dev->adapter_info.serial[0])); 840 if (len && 841 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[ 842 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len], 843 buf, len)) 844 len = snprintf(buf, PAGE_SIZE, "%.*s\n", 845 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo), 846 dev->supplement_adapter_info.MfgPcbaSerialNo); 847 return len; 848} 849 850static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf) 851{ 852 return snprintf(buf, PAGE_SIZE, "%d\n", 853 class_to_shost(class_dev)->max_channel); 854} 855 856static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf) 857{ 858 return snprintf(buf, PAGE_SIZE, "%d\n", 859 class_to_shost(class_dev)->max_id); 860} 861 862static ssize_t aac_store_reset_adapter(struct class_device *class_dev, 863 const char *buf, size_t count) 864{ 865 int retval = -EACCES; 866 867 if (!capable(CAP_SYS_ADMIN)) 868 return retval; 869 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!'); 870 if (retval >= 0) 871 retval = count; 872 return retval; 873} 874 875static ssize_t aac_show_reset_adapter(struct class_device *class_dev, 876 char *buf) 877{ 878 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata; 879 int len, tmp; 880 881 tmp = aac_adapter_check_health(dev); 882 if ((tmp == 0) && dev->in_reset) 883 tmp = -EBUSY; 884 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp); 885 return len; 886} 887 888static struct class_device_attribute aac_model = { 889 .attr = { 890 .name = "model", 891 .mode = S_IRUGO, 892 }, 893 .show = aac_show_model, 894}; 895static struct class_device_attribute aac_vendor = { 896 .attr = { 897 .name = "vendor", 898 .mode = S_IRUGO, 899 }, 900 .show = aac_show_vendor, 901}; 902static struct class_device_attribute aac_kernel_version = { 903 .attr = { 904 .name = "hba_kernel_version", 905 .mode = S_IRUGO, 906 }, 907 .show = aac_show_kernel_version, 908}; 909static struct class_device_attribute aac_monitor_version = { 910 .attr = { 911 .name = "hba_monitor_version", 912 .mode = S_IRUGO, 913 }, 914 .show = aac_show_monitor_version, 915}; 916static struct class_device_attribute aac_bios_version = { 917 .attr = { 918 .name = "hba_bios_version", 919 .mode = S_IRUGO, 920 }, 921 .show = aac_show_bios_version, 922}; 923static struct class_device_attribute aac_serial_number = { 924 .attr = { 925 .name = "serial_number", 926 .mode = S_IRUGO, 927 }, 928 .show = aac_show_serial_number, 929}; 930static struct class_device_attribute aac_max_channel = { 931 .attr = { 932 .name = "max_channel", 933 .mode = S_IRUGO, 934 }, 935 .show = aac_show_max_channel, 936}; 937static struct class_device_attribute aac_max_id = { 938 .attr = { 939 .name = "max_id", 940 .mode = S_IRUGO, 941 }, 942 .show = aac_show_max_id, 943}; 944static struct class_device_attribute aac_reset = { 945 .attr = { 946 .name = "reset_host", 947 .mode = S_IWUSR|S_IRUGO, 948 }, 949 .store = aac_store_reset_adapter, 950 .show = aac_show_reset_adapter, 951}; 952 953static struct class_device_attribute *aac_attrs[] = { 954 &aac_model, 955 &aac_vendor, 956 &aac_kernel_version, 957 &aac_monitor_version, 958 &aac_bios_version, 959 &aac_serial_number, 960 &aac_max_channel, 961 &aac_max_id, 962 &aac_reset, 963 NULL 964}; 965 966 967static const struct file_operations aac_cfg_fops = { 968 .owner = THIS_MODULE, 969 .ioctl = aac_cfg_ioctl, 970#ifdef CONFIG_COMPAT 971 .compat_ioctl = aac_compat_cfg_ioctl, 972#endif 973 .open = aac_cfg_open, 974}; 975 976static struct scsi_host_template aac_driver_template = { 977 .module = THIS_MODULE, 978 .name = "AAC", 979 .proc_name = AAC_DRIVERNAME, 980 .info = aac_info, 981 .ioctl = aac_ioctl, 982#ifdef CONFIG_COMPAT 983 .compat_ioctl = aac_compat_ioctl, 984#endif 985 .queuecommand = aac_queuecommand, 986 .bios_param = aac_biosparm, 987 .shost_attrs = aac_attrs, 988 .slave_configure = aac_slave_configure, 989 .change_queue_depth = aac_change_queue_depth, 990 .sdev_attrs = aac_dev_attrs, 991 .eh_abort_handler = aac_eh_abort, 992 .eh_host_reset_handler = aac_eh_reset, 993 .can_queue = AAC_NUM_IO_FIB, 994 .this_id = MAXIMUM_NUM_CONTAINERS, 995 .sg_tablesize = 16, 996 .max_sectors = 128, 997#if (AAC_NUM_IO_FIB > 256) 998 .cmd_per_lun = 256, 999#else 1000 .cmd_per_lun = AAC_NUM_IO_FIB, 1001#endif 1002 .use_clustering = ENABLE_CLUSTERING, 1003 .use_sg_chaining = ENABLE_SG_CHAINING, 1004 .emulated = 1, 1005}; 1006 1007static void __aac_shutdown(struct aac_dev * aac) 1008{ 1009 if (aac->aif_thread) 1010 kthread_stop(aac->thread); 1011 aac_send_shutdown(aac); 1012 aac_adapter_disable_int(aac); 1013 free_irq(aac->pdev->irq, aac); 1014} 1015 1016static int __devinit aac_probe_one(struct pci_dev *pdev, 1017 const struct pci_device_id *id) 1018{ 1019 unsigned index = id->driver_data; 1020 struct Scsi_Host *shost; 1021 struct aac_dev *aac; 1022 struct list_head *insert = &aac_devices; 1023 int error = -ENODEV; 1024 int unique_id = 0; 1025 1026 list_for_each_entry(aac, &aac_devices, entry) { 1027 if (aac->id > unique_id) 1028 break; 1029 insert = &aac->entry; 1030 unique_id++; 1031 } 1032 1033 error = pci_enable_device(pdev); 1034 if (error) 1035 goto out; 1036 error = -ENODEV; 1037 1038 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) || 1039 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) 1040 goto out_disable_pdev; 1041 /* 1042 * If the quirk31 bit is set, the adapter needs adapter 1043 * to driver communication memory to be allocated below 2gig 1044 */ 1045 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1046 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) || 1047 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK)) 1048 goto out_disable_pdev; 1049 1050 pci_set_master(pdev); 1051 1052 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev)); 1053 if (!shost) 1054 goto out_disable_pdev; 1055 1056 shost->irq = pdev->irq; 1057 shost->base = pci_resource_start(pdev, 0); 1058 shost->unique_id = unique_id; 1059 shost->max_cmd_len = 16; 1060 1061 aac = (struct aac_dev *)shost->hostdata; 1062 aac->scsi_host_ptr = shost; 1063 aac->pdev = pdev; 1064 aac->name = aac_driver_template.name; 1065 aac->id = shost->unique_id; 1066 aac->cardtype = index; 1067 INIT_LIST_HEAD(&aac->entry); 1068 1069 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL); 1070 if (!aac->fibs) 1071 goto out_free_host; 1072 spin_lock_init(&aac->fib_lock); 1073 1074 /* 1075 * Map in the registers from the adapter. 1076 */ 1077 aac->base_size = AAC_MIN_FOOTPRINT_SIZE; 1078 if ((*aac_drivers[index].init)(aac)) 1079 goto out_unmap; 1080 1081 /* 1082 * Start any kernel threads needed 1083 */ 1084 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME); 1085 if (IS_ERR(aac->thread)) { 1086 printk(KERN_ERR "aacraid: Unable to create command thread.\n"); 1087 error = PTR_ERR(aac->thread); 1088 goto out_deinit; 1089 } 1090 1091 /* 1092 * If we had set a smaller DMA mask earlier, set it to 4gig 1093 * now since the adapter can dma data to at least a 4gig 1094 * address space. 1095 */ 1096 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 1097 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) 1098 goto out_deinit; 1099 1100 aac->maximum_num_channels = aac_drivers[index].channels; 1101 error = aac_get_adapter_info(aac); 1102 if (error < 0) 1103 goto out_deinit; 1104 1105 /* 1106 * Lets override negotiations and drop the maximum SG limit to 34 1107 */ 1108 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) && 1109 (aac->scsi_host_ptr->sg_tablesize > 34)) { 1110 aac->scsi_host_ptr->sg_tablesize = 34; 1111 aac->scsi_host_ptr->max_sectors 1112 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1113 } 1114 1115 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) && 1116 (aac->scsi_host_ptr->sg_tablesize > 17)) { 1117 aac->scsi_host_ptr->sg_tablesize = 17; 1118 aac->scsi_host_ptr->max_sectors 1119 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112; 1120 } 1121 1122 /* 1123 * Firware printf works only with older firmware. 1124 */ 1125 if (aac_drivers[index].quirks & AAC_QUIRK_34SG) 1126 aac->printf_enabled = 1; 1127 else 1128 aac->printf_enabled = 0; 1129 1130 /* 1131 * max channel will be the physical channels plus 1 virtual channel 1132 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL) 1133 * physical channels are address by their actual physical number+1 1134 */ 1135 if ((aac->nondasd_support == 1) || expose_physicals) 1136 shost->max_channel = aac->maximum_num_channels; 1137 else 1138 shost->max_channel = 0; 1139 1140 aac_get_config_status(aac, 0); 1141 aac_get_containers(aac); 1142 list_add(&aac->entry, insert); 1143 1144 shost->max_id = aac->maximum_num_containers; 1145 if (shost->max_id < aac->maximum_num_physicals) 1146 shost->max_id = aac->maximum_num_physicals; 1147 if (shost->max_id < MAXIMUM_NUM_CONTAINERS) 1148 shost->max_id = MAXIMUM_NUM_CONTAINERS; 1149 else 1150 shost->this_id = shost->max_id; 1151 1152 /* 1153 * dmb - we may need to move the setting of these parms somewhere else once 1154 * we get a fib that can report the actual numbers 1155 */ 1156 shost->max_lun = AAC_MAX_LUN; 1157 1158 pci_set_drvdata(pdev, shost); 1159 1160 error = scsi_add_host(shost, &pdev->dev); 1161 if (error) 1162 goto out_deinit; 1163 scsi_scan_host(shost); 1164 1165 return 0; 1166 1167 out_deinit: 1168 __aac_shutdown(aac); 1169 out_unmap: 1170 aac_fib_map_free(aac); 1171 if (aac->comm_addr) 1172 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1173 aac->comm_phys); 1174 kfree(aac->queues); 1175 aac_adapter_ioremap(aac, 0); 1176 kfree(aac->fibs); 1177 kfree(aac->fsa_dev); 1178 out_free_host: 1179 scsi_host_put(shost); 1180 out_disable_pdev: 1181 pci_disable_device(pdev); 1182 out: 1183 return error; 1184} 1185 1186static void aac_shutdown(struct pci_dev *dev) 1187{ 1188 struct Scsi_Host *shost = pci_get_drvdata(dev); 1189 scsi_block_requests(shost); 1190 __aac_shutdown((struct aac_dev *)shost->hostdata); 1191} 1192 1193static void __devexit aac_remove_one(struct pci_dev *pdev) 1194{ 1195 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1196 struct aac_dev *aac = (struct aac_dev *)shost->hostdata; 1197 1198 scsi_remove_host(shost); 1199 1200 __aac_shutdown(aac); 1201 aac_fib_map_free(aac); 1202 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, 1203 aac->comm_phys); 1204 kfree(aac->queues); 1205 1206 aac_adapter_ioremap(aac, 0); 1207 1208 kfree(aac->fibs); 1209 kfree(aac->fsa_dev); 1210 1211 list_del(&aac->entry); 1212 scsi_host_put(shost); 1213 pci_disable_device(pdev); 1214 if (list_empty(&aac_devices)) { 1215 unregister_chrdev(aac_cfg_major, "aac"); 1216 aac_cfg_major = -1; 1217 } 1218} 1219 1220static struct pci_driver aac_pci_driver = { 1221 .name = AAC_DRIVERNAME, 1222 .id_table = aac_pci_tbl, 1223 .probe = aac_probe_one, 1224 .remove = __devexit_p(aac_remove_one), 1225 .shutdown = aac_shutdown, 1226}; 1227 1228static int __init aac_init(void) 1229{ 1230 int error; 1231 1232 printk(KERN_INFO "Adaptec %s driver %s\n", 1233 AAC_DRIVERNAME, aac_driver_version); 1234 1235 error = pci_register_driver(&aac_pci_driver); 1236 if (error < 0) 1237 return error; 1238 1239 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops); 1240 if (aac_cfg_major < 0) { 1241 printk(KERN_WARNING 1242 "aacraid: unable to register \"aac\" device.\n"); 1243 } 1244 1245 return 0; 1246} 1247 1248static void __exit aac_exit(void) 1249{ 1250 if (aac_cfg_major > -1) 1251 unregister_chrdev(aac_cfg_major, "aac"); 1252 pci_unregister_driver(&aac_pci_driver); 1253} 1254 1255module_init(aac_init); 1256module_exit(aac_exit); 1257