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[SCSI] aacraid: probe related code cleanup
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / aacraid / linit.c
CommitLineData
1da177e4
LT		 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 *
03d44337 8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
1da177e4
LT		 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
1da177e4
LT		 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>
910638ae 42#include <linux/dma-mapping.h>
1da177e4 43#include <linux/syscalls.h>
1da177e4
LT		 44#include <linux/delay.h>
45#include <linux/smp_lock.h>
fe27381d 46#include <linux/kthread.h>
1da177e4
LT		 47#include <asm/semaphore.h>
48
49#include <scsi/scsi.h>
50#include <scsi/scsi_cmnd.h>
51#include <scsi/scsi_device.h>
52#include <scsi/scsi_host.h>
53#include <scsi/scsi_tcq.h>
54#include <scsi/scsicam.h>
55#include <scsi/scsi_eh.h>
56
57#include "aacraid.h"
58
9a72f976
MH		 59#define AAC_DRIVER_VERSION "1.1-5"
60#ifndef AAC_DRIVER_BRANCH
61#define AAC_DRIVER_BRANCH ""
62#endif
63#define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
64#define AAC_DRIVERNAME "aacraid"
65
c7f47602
MH		 66#ifdef AAC_DRIVER_BUILD
67#define _str(x) #x
68#define str(x) _str(x)
69#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
70#else
71#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
72#endif
1da177e4
LT		 73
74MODULE_AUTHOR("Red Hat Inc and Adaptec");
75MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
76 "Adaptec Advanced Raid Products, "
1241f359 77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
1da177e4 78MODULE_LICENSE("GPL");
c7f47602 79MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
1da177e4
LT		 80
81static LIST_HEAD(aac_devices);
82static int aac_cfg_major = -1;
c7f47602 83char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
1da177e4
LT		 84
85/*
86 * Because of the way Linux names scsi devices, the order in this table has
87 * become important. Check for on-board Raid first, add-in cards second.
88 *
89 * Note: The last field is used to index into aac_drivers below.
90 */
91static struct pci_device_id aac_pci_tbl[] = {
92 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
93 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
94 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
95 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
96 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
97 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
98 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
99 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
100 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
101 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
102 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
103 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
104 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
105 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
106 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
107 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
108
109 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
110 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
111 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
112 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
113 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
114 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
115 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
116 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
117 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
8e9d58e7
SM		 118 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
84971738
MH		 120 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
75c3628d 122 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
84971738
MH		 123 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
124 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
8e87c2f1
MH		 125 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
126 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
127 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
128 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
129 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
130 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
131 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
132 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
133 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
134 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
135 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
136 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
137 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
8e9d58e7 138 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
8e87c2f1
MH		 139 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
140 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
141 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
142 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
8e9d58e7 143 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
8e87c2f1
MH		 144 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
145 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
8e9d58e7 146 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
84971738 147
8e87c2f1
MH		 148 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
149 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
150 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
151 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
152 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
84971738 153
8e87c2f1
MH		 154 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
155 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
156 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
157 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
239eab19 158 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
1da177e4
LT		 159 { 0,}
160};
161MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
162
163/*
164 * dmb - For now we add the number of channels to this structure.
165 * In the future we should add a fib that reports the number of channels
166 * for the card. At that time we can remove the channels from here
167 */
168static struct aac_driver_ident aac_drivers[] = {
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
183 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
184 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
185
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
190 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
193 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
8e9d58e7
SM		 195 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
196 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
84971738
MH		 197 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
198 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
75c3628d 199 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
8e87c2f1
MH		 200 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
201 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
84971738 203 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 204 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
db39363c
MH		 207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
208 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
1da177e4
LT		 211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
8e9d58e7 214 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
84971738 215 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 216 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
217 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
8e9d58e7 218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
1da177e4
LT		 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
8e9d58e7 221 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
1da177e4
LT		 222
223 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
224 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
225 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
226 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
227 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
228
229 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
230 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
231 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
239eab19
MH		 232 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
233 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
1da177e4
LT		 234};
235
236/**
237 * aac_queuecommand - queue a SCSI command
238 * @cmd: SCSI command to queue
239 * @done: Function to call on command completion
240 *
241 * Queues a command for execution by the associated Host Adapter.
242 *
243 * TODO: unify with aac_scsi_cmd().
244 */
245
246static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
247{
03d44337
MH		 248 struct Scsi_Host *host = cmd->device->host;
249 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
250 u32 count = 0;
251 cmd->scsi_done = done;
252 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
253 struct fib * fib = &dev->fibs[count];
254 struct scsi_cmnd * command;
255 if (fib->hw_fib_va->header.XferState &&
256 ((command = fib->callback_data)) &&
257 (command == cmd) &&
258 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
259 return 0; /* Already owned by Adapter */
260 }
77d644d4 261 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
1da177e4
LT		 262 return (aac_scsi_cmd(cmd) ? FAILED : 0);
263}
264
265/**
266 * aac_info - Returns the host adapter name
267 * @shost: Scsi host to report on
268 *
269 * Returns a static string describing the device in question
270 */
271
4833869e 272static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 273{
274 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
275 return aac_drivers[dev->cardtype].name;
276}
277
278/**
279 * aac_get_driver_ident
280 * @devtype: index into lookup table
281 *
282 * Returns a pointer to the entry in the driver lookup table.
283 */
284
285struct aac_driver_ident* aac_get_driver_ident(int devtype)
286{
287 return &aac_drivers[devtype];
288}
289
290/**
291 * aac_biosparm - return BIOS parameters for disk
292 * @sdev: The scsi device corresponding to the disk
293 * @bdev: the block device corresponding to the disk
294 * @capacity: the sector capacity of the disk
295 * @geom: geometry block to fill in
296 *
297 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
298 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
299 * number of cylinders so as not to exceed drive capacity. In order for
300 * disks equal to or larger than 1 GB to be addressable by the BIOS
301 * without exceeding the BIOS limitation of 1024 cylinders, Extended
302 * Translation should be enabled. With Extended Translation enabled,
303 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
304 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
305 * are given a disk geometry of 255 heads and 63 sectors. However, if
306 * the BIOS detects that the Extended Translation setting does not match
307 * the geometry in the partition table, then the translation inferred
308 * from the partition table will be used by the BIOS, and a warning may
309 * be displayed.
310 */
311
312static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
313 sector_t capacity, int *geom)
314{
315 struct diskparm *param = (struct diskparm *)geom;
316 unsigned char *buf;
317
318 dprintk((KERN_DEBUG "aac_biosparm.\n"));
319
320 /*
321 * Assuming extended translation is enabled - #REVISIT#
322 */
323 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
324 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
325 param->heads = 255;
326 param->sectors = 63;
327 } else {
328 param->heads = 128;
329 param->sectors = 32;
330 }
331 } else {
332 param->heads = 64;
333 param->sectors = 32;
334 }
335
336 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
337
338 /*
339 * Read the first 1024 bytes from the disk device, if the boot
340 * sector partition table is valid, search for a partition table
341 * entry whose end_head matches one of the standard geometry
342 * translations ( 64/32, 128/32, 255/63 ).
343 */
344 buf = scsi_bios_ptable(bdev);
8bdf810f
MH		 345 if (!buf)
346 return 0;
56b58712 347 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 348 struct partition *first = (struct partition * )buf;
349 struct partition *entry = first;
350 int saved_cylinders = param->cylinders;
351 int num;
352 unsigned char end_head, end_sec;
353
354 for(num = 0; num < 4; num++) {
355 end_head = entry->end_head;
356 end_sec = entry->end_sector & 0x3f;
357
358 if(end_head == 63) {
359 param->heads = 64;
360 param->sectors = 32;
361 break;
362 } else if(end_head == 127) {
363 param->heads = 128;
364 param->sectors = 32;
365 break;
366 } else if(end_head == 254) {
367 param->heads = 255;
368 param->sectors = 63;
369 break;
370 }
371 entry++;
372 }
373
374 if (num == 4) {
375 end_head = first->end_head;
376 end_sec = first->end_sector & 0x3f;
377 }
378
379 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
380 if (num < 4 && end_sec == param->sectors) {
381 if (param->cylinders != saved_cylinders)
382 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
383 param->heads, param->sectors, num));
384 } else if (end_head > 0 || end_sec > 0) {
385 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
386 end_head + 1, end_sec, num));
387 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
388 param->heads, param->sectors));
389 }
390 }
391 kfree(buf);
392 return 0;
393}
394
395/**
396 * aac_slave_configure - compute queue depths
397 * @sdev: SCSI device we are considering
398 *
399 * Selects queue depths for each target device based on the host adapter's
400 * total capacity and the queue depth supported by the target device.
401 * A queue depth of one automatically disables tagged queueing.
402 */
403
404static int aac_slave_configure(struct scsi_device *sdev)
405{
bb08f92e
MH		 406 if ((sdev->type == TYPE_DISK) &&
407 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
e37ee4be
MH		 408 if (expose_physicals == 0)
409 return -ENXIO;
410 if (expose_physicals < 0) {
411 struct aac_dev *aac =
412 (struct aac_dev *)sdev->host->hostdata;
413 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
414 sdev->no_uld_attach = 1;
415 }
bb08f92e
MH		 416 }
417 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
418 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
419 struct scsi_device * dev;
420 struct Scsi_Host *host = sdev->host;
421 unsigned num_lsu = 0;
422 unsigned num_one = 0;
423 unsigned depth;
7c00ffa3 424
bb08f92e
MH		 425 __shost_for_each_device(dev, host) {
426 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
427 (sdev_channel(dev) == CONTAINER_CHANNEL))
428 ++num_lsu;
429 else
430 ++num_one;
431 }
432 if (num_lsu == 0)
433 ++num_lsu;
434 depth = (host->can_queue - num_one) / num_lsu;
435 if (depth > 256)
436 depth = 256;
437 else if (depth < 2)
438 depth = 2;
439 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
440 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
441 AAC_OPT_NEW_COMM))
442 blk_queue_max_segment_size(sdev->request_queue, 65536);
443 } else
1da177e4 444 scsi_adjust_queue_depth(sdev, 0, 1);
7c00ffa3 445
1da177e4
LT		 446 return 0;
447}
448
5c9cfedd
SM		 449/**
450 * aac_change_queue_depth - alter queue depths
451 * @sdev: SCSI device we are considering
452 * @depth: desired queue depth
453 *
454 * Alters queue depths for target device based on the host adapter's
455 * total capacity and the queue depth supported by the target device.
456 */
457
458static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
459{
460 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
461 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
462 struct scsi_device * dev;
463 struct Scsi_Host *host = sdev->host;
464 unsigned num = 0;
465
466 __shost_for_each_device(dev, host) {
467 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
468 (sdev_channel(dev) == CONTAINER_CHANNEL))
469 ++num;
470 ++num;
471 }
472 if (num >= host->can_queue)
473 num = host->can_queue - 1;
474 if (depth > (host->can_queue - num))
475 depth = host->can_queue - num;
476 if (depth > 256)
477 depth = 256;
478 else if (depth < 2)
479 depth = 2;
480 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
481 } else
482 scsi_adjust_queue_depth(sdev, 0, 1);
483 return sdev->queue_depth;
484}
485
1da177e4
LT		 486static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
487{
488 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
489 return aac_do_ioctl(dev, cmd, arg);
490}
491
03d44337
MH		 492static int aac_eh_abort(struct scsi_cmnd* cmd)
493{
802ae2f0
SM		 494 struct scsi_device * dev = cmd->device;
495 struct Scsi_Host * host = dev->host;
03d44337
MH		 496 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
497 int count;
498 int ret = FAILED;
499
500 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
501 AAC_DRIVERNAME,
802ae2f0 502 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
03d44337
MH		 503 switch (cmd->cmnd[0]) {
504 case SERVICE_ACTION_IN:
505 if (!(aac->raw_io_interface) ||
506 !(aac->raw_io_64) ||
507 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
508 break;
509 case INQUIRY:
510 case READ_CAPACITY:
511 case TEST_UNIT_READY:
512 /* Mark associated FIB to not complete, eh handler does this */
513 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
514 struct fib * fib = &aac->fibs[count];
515 if (fib->hw_fib_va->header.XferState &&
516 (fib->callback_data == cmd)) {
517 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
518 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
519 ret = SUCCESS;
520 }
521 }
522 }
523 return ret;
524}
525
1da177e4
LT		 526/*
527 * aac_eh_reset - Reset command handling
528 * @scsi_cmd: SCSI command block causing the reset
529 *
530 */
531static int aac_eh_reset(struct scsi_cmnd* cmd)
532{
533 struct scsi_device * dev = cmd->device;
534 struct Scsi_Host * host = dev->host;
535 struct scsi_cmnd * command;
536 int count;
03d44337 537 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1da177e4
LT		 538 unsigned long flags;
539
03d44337
MH		 540 /* Mark the associated FIB to not complete, eh handler does this */
541 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
542 struct fib * fib = &aac->fibs[count];
543 if (fib->hw_fib_va->header.XferState &&
544 (fib->callback_data == cmd)) {
545 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
546 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
547 }
548 }
1da177e4
LT		 549 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
550 AAC_DRIVERNAME);
8c867b25
MH		 551
552 if ((count = aac_check_health(aac)))
553 return count;
1da177e4
LT		 554 /*
555 * Wait for all commands to complete to this specific
556 * target (block maximum 60 seconds).
557 */
558 for (count = 60; count; --count) {
8c867b25
MH		 559 int active = aac->in_reset;
560
561 if (active == 0)
1da177e4
LT		 562 __shost_for_each_device(dev, host) {
563 spin_lock_irqsave(&dev->list_lock, flags);
564 list_for_each_entry(command, &dev->cmd_list, list) {
77d644d4
MH		 565 if ((command != cmd) &&
566 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
1da177e4
LT		 567 active++;
568 break;
569 }
570 }
571 spin_unlock_irqrestore(&dev->list_lock, flags);
572 if (active)
573 break;
574
575 }
576 /*
577 * We can exit If all the commands are complete
578 */
579 if (active == 0)
580 return SUCCESS;
1da177e4 581 ssleep(1);
1da177e4
LT		 582 }
583 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
03d44337 584 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
1da177e4
LT		 585}
586
587/**
588 * aac_cfg_open - open a configuration file
589 * @inode: inode being opened
590 * @file: file handle attached
591 *
592 * Called when the configuration device is opened. Does the needed
593 * set up on the handle and then returns
594 *
595 * Bugs: This needs extending to check a given adapter is present
596 * so we can support hot plugging, and to ref count adapters.
597 */
598
599static int aac_cfg_open(struct inode *inode, struct file *file)
600{
601 struct aac_dev *aac;
7c00ffa3 602 unsigned minor_number = iminor(inode);
1da177e4
LT		 603 int err = -ENODEV;
604
605 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 606 if (aac->id == minor_number) {
1da177e4
LT		 607 file->private_data = aac;
608 err = 0;
609 break;
610 }
611 }
612
036d6184 613 return err;
1da177e4
LT		 614}
615
616/**
617 * aac_cfg_ioctl - AAC configuration request
618 * @inode: inode of device
619 * @file: file handle
620 * @cmd: ioctl command code
621 * @arg: argument
622 *
623 * Handles a configuration ioctl. Currently this involves wrapping it
624 * up and feeding it into the nasty windowsalike glue layer.
625 *
626 * Bugs: Needs locking against parallel ioctls lower down
627 * Bugs: Needs to handle hot plugging
628 */
629
630static int aac_cfg_ioctl(struct inode *inode, struct file *file,
631 unsigned int cmd, unsigned long arg)
632{
633 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
634}
635
636#ifdef CONFIG_COMPAT
637static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
638{
639 long ret;
640 lock_kernel();
641 switch (cmd) {
642 case FSACTL_MINIPORT_REV_CHECK:
643 case FSACTL_SENDFIB:
644 case FSACTL_OPEN_GET_ADAPTER_FIB:
645 case FSACTL_CLOSE_GET_ADAPTER_FIB:
646 case FSACTL_SEND_RAW_SRB:
647 case FSACTL_GET_PCI_INFO:
648 case FSACTL_QUERY_DISK:
649 case FSACTL_DELETE_DISK:
650 case FSACTL_FORCE_DELETE_DISK:
651 case FSACTL_GET_CONTAINERS:
7c00ffa3 652 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 653 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
654 break;
655
656 case FSACTL_GET_NEXT_ADAPTER_FIB: {
657 struct fib_ioctl __user *f;
658
659 f = compat_alloc_user_space(sizeof(*f));
660 ret = 0;
821499a8 661 if (clear_user(f, sizeof(*f)))
1da177e4
LT		 662 ret = -EFAULT;
663 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
664 ret = -EFAULT;
665 if (!ret)
3d2f98a6 666 ret = aac_do_ioctl(dev, cmd, f);
1da177e4
LT		 667 break;
668 }
669
670 default:
671 ret = -ENOIOCTLCMD;
672 break;
673 }
674 unlock_kernel();
675 return ret;
676}
677
678static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
679{
680 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
681 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
682}
683
684static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
685{
686 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
687}
688#endif
689
0bb14afe
MH		 690static ssize_t aac_show_model(struct class_device *class_dev,
691 char *buf)
692{
693 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
694 int len;
695
7686f132
MH		 696 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
697 char * cp = dev->supplement_adapter_info.AdapterTypeText;
698 while (*cp && *cp != ' ')
699 ++cp;
700 while (*cp == ' ')
701 ++cp;
702 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
703 } else
704 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 705 aac_drivers[dev->cardtype].model);
706 return len;
707}
708
709static ssize_t aac_show_vendor(struct class_device *class_dev,
710 char *buf)
711{
712 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
713 int len;
714
7686f132
MH		 715 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
716 char * cp = dev->supplement_adapter_info.AdapterTypeText;
717 while (*cp && *cp != ' ')
718 ++cp;
719 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
720 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
721 dev->supplement_adapter_info.AdapterTypeText);
722 } else
723 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 724 aac_drivers[dev->cardtype].vname);
725 return len;
726}
727
728static ssize_t aac_show_kernel_version(struct class_device *class_dev,
729 char *buf)
730{
731 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
732 int len, tmp;
733
734 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
735 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
736 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
737 le32_to_cpu(dev->adapter_info.kernelbuild));
738 return len;
739}
740
741static ssize_t aac_show_monitor_version(struct class_device *class_dev,
742 char *buf)
743{
744 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
745 int len, tmp;
746
747 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
748 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
749 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
750 le32_to_cpu(dev->adapter_info.monitorbuild));
751 return len;
752}
753
754static ssize_t aac_show_bios_version(struct class_device *class_dev,
755 char *buf)
756{
757 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
758 int len, tmp;
759
760 tmp = le32_to_cpu(dev->adapter_info.biosrev);
761 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
762 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
763 le32_to_cpu(dev->adapter_info.biosbuild));
764 return len;
765}
766
767static ssize_t aac_show_serial_number(struct class_device *class_dev,
768 char *buf)
769{
770 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
771 int len = 0;
772
773 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
774 len = snprintf(buf, PAGE_SIZE, "%x\n",
775 le32_to_cpu(dev->adapter_info.serial[0]));
776 return len;
777}
778
d1ad94ad
MH		 779static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
780{
781 return snprintf(buf, PAGE_SIZE, "%d\n",
782 class_to_shost(class_dev)->max_channel);
783}
784
785static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
786{
787 return snprintf(buf, PAGE_SIZE, "%d\n",
788 class_to_shost(class_dev)->max_id);
789}
790
0bb14afe
MH		 791
792static struct class_device_attribute aac_model = {
793 .attr = {
794 .name = "model",
795 .mode = S_IRUGO,
796 },
797 .show = aac_show_model,
798};
799static struct class_device_attribute aac_vendor = {
800 .attr = {
801 .name = "vendor",
802 .mode = S_IRUGO,
803 },
804 .show = aac_show_vendor,
805};
806static struct class_device_attribute aac_kernel_version = {
807 .attr = {
808 .name = "hba_kernel_version",
809 .mode = S_IRUGO,
810 },
811 .show = aac_show_kernel_version,
812};
813static struct class_device_attribute aac_monitor_version = {
814 .attr = {
815 .name = "hba_monitor_version",
816 .mode = S_IRUGO,
817 },
818 .show = aac_show_monitor_version,
819};
820static struct class_device_attribute aac_bios_version = {
821 .attr = {
822 .name = "hba_bios_version",
823 .mode = S_IRUGO,
824 },
825 .show = aac_show_bios_version,
826};
827static struct class_device_attribute aac_serial_number = {
828 .attr = {
829 .name = "serial_number",
830 .mode = S_IRUGO,
831 },
832 .show = aac_show_serial_number,
833};
d1ad94ad
MH		 834static struct class_device_attribute aac_max_channel = {
835 .attr = {
836 .name = "max_channel",
837 .mode = S_IRUGO,
838 },
839 .show = aac_show_max_channel,
840};
841static struct class_device_attribute aac_max_id = {
842 .attr = {
843 .name = "max_id",
844 .mode = S_IRUGO,
845 },
846 .show = aac_show_max_id,
847};
0bb14afe
MH		 848
849static struct class_device_attribute *aac_attrs[] = {
850 &aac_model,
851 &aac_vendor,
852 &aac_kernel_version,
853 &aac_monitor_version,
854 &aac_bios_version,
855 &aac_serial_number,
d1ad94ad
MH		 856 &aac_max_channel,
857 &aac_max_id,
0bb14afe
MH		 858 NULL
859};
860
861
00977a59 862static const struct file_operations aac_cfg_fops = {
1da177e4
LT		 863 .owner = THIS_MODULE,
864 .ioctl = aac_cfg_ioctl,
865#ifdef CONFIG_COMPAT
866 .compat_ioctl = aac_compat_cfg_ioctl,
867#endif
868 .open = aac_cfg_open,
869};
870
871static struct scsi_host_template aac_driver_template = {
872 .module = THIS_MODULE,
873 .name = "AAC",
7c00ffa3 874 .proc_name = AAC_DRIVERNAME,
1da177e4
LT		 875 .info = aac_info,
876 .ioctl = aac_ioctl,
877#ifdef CONFIG_COMPAT
878 .compat_ioctl = aac_compat_ioctl,
879#endif
880 .queuecommand = aac_queuecommand,
881 .bios_param = aac_biosparm,
0bb14afe 882 .shost_attrs = aac_attrs,
1da177e4 883 .slave_configure = aac_slave_configure,
5c9cfedd 884 .change_queue_depth = aac_change_queue_depth,
03d44337 885 .eh_abort_handler = aac_eh_abort,
1da177e4
LT		 886 .eh_host_reset_handler = aac_eh_reset,
887 .can_queue = AAC_NUM_IO_FIB,
84971738 888 .this_id = MAXIMUM_NUM_CONTAINERS,
1da177e4
LT		 889 .sg_tablesize = 16,
890 .max_sectors = 128,
891#if (AAC_NUM_IO_FIB > 256)
892 .cmd_per_lun = 256,
893#else
894 .cmd_per_lun = AAC_NUM_IO_FIB,
895#endif
896 .use_clustering = ENABLE_CLUSTERING,
1241f359 897 .emulated = 1,
1da177e4
LT		 898};
899
1da177e4
LT		 900static int __devinit aac_probe_one(struct pci_dev *pdev,
901 const struct pci_device_id *id)
902{
903 unsigned index = id->driver_data;
904 struct Scsi_Host *shost;
905 struct aac_dev *aac;
906 struct list_head *insert = &aac_devices;
907 int error = -ENODEV;
908 int unique_id = 0;
909
910 list_for_each_entry(aac, &aac_devices, entry) {
911 if (aac->id > unique_id)
912 break;
913 insert = &aac->entry;
914 unique_id++;
915 }
916
08efb7b6
MH		 917 error = pci_enable_device(pdev);
918 if (error)
1da177e4 919 goto out;
e61b17fd 920 error = -ENODEV;
1da177e4 921
71e0f32f
JB		 922 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
923 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
e61b17fd 924 goto out_disable_pdev;
1da177e4
LT		 925 /*
926 * If the quirk31 bit is set, the adapter needs adapter
927 * to driver communication memory to be allocated below 2gig
928 */
929 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
910638ae
MG		 930 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
931 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
e61b17fd 932 goto out_disable_pdev;
1da177e4
LT		 933
934 pci_set_master(pdev);
935
936 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
937 if (!shost)
938 goto out_disable_pdev;
939
940 shost->irq = pdev->irq;
941 shost->base = pci_resource_start(pdev, 0);
942 shost->unique_id = unique_id;
7a8cf29d 943 shost->max_cmd_len = 16;
1da177e4
LT		 944
945 aac = (struct aac_dev *)shost->hostdata;
946 aac->scsi_host_ptr = shost;
947 aac->pdev = pdev;
948 aac->name = aac_driver_template.name;
949 aac->id = shost->unique_id;
950 aac->cardtype = index;
951 INIT_LIST_HEAD(&aac->entry);
952
7c00ffa3 953 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 954 if (!aac->fibs)
955 goto out_free_host;
956 spin_lock_init(&aac->fib_lock);
957
8e0c5ebd
MH		 958 /*
959 * Map in the registers from the adapter.
960 */
961 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
8e0c5ebd
MH		 962 if ((*aac_drivers[index].init)(aac))
963 goto out_unmap;
964
965 /*
966 * Start any kernel threads needed
967 */
fe27381d
CH		 968 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
969 if (IS_ERR(aac->thread)) {
8e0c5ebd 970 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
fe27381d 971 error = PTR_ERR(aac->thread);
8e0c5ebd
MH		 972 goto out_deinit;
973 }
1da177e4
LT		 974
975 /*
976 * If we had set a smaller DMA mask earlier, set it to 4gig
977 * now since the adapter can dma data to at least a 4gig
978 * address space.
979 */
980 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
71e0f32f
JB		 981 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
982 goto out_deinit;
983
84971738 984 aac->maximum_num_channels = aac_drivers[index].channels;
08efb7b6
MH		 985 error = aac_get_adapter_info(aac);
986 if (error < 0)
987 goto out_deinit;
1da177e4
LT		 988
989 /*
7c00ffa3
MH		 990 * Lets override negotiations and drop the maximum SG limit to 34
991 */
992 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
993 (aac->scsi_host_ptr->sg_tablesize > 34)) {
994 aac->scsi_host_ptr->sg_tablesize = 34;
995 aac->scsi_host_ptr->max_sectors
996 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
997 }
998
db39363c
MH		 999 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1000 (aac->scsi_host_ptr->sg_tablesize > 17)) {
1001 aac->scsi_host_ptr->sg_tablesize = 17;
1002 aac->scsi_host_ptr->max_sectors
1003 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
1004 }
1005
7c00ffa3
MH		 1006 /*
1007 * Firware printf works only with older firmware.
1008 */
1009 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1010 aac->printf_enabled = 1;
1011 else
1012 aac->printf_enabled = 0;
1013
1014 /*
1da177e4 1015 * max channel will be the physical channels plus 1 virtual channel
bb08f92e 1016 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1da177e4
LT		 1017 * physical channels are address by their actual physical number+1
1018 */
653ba58d 1019 if ((aac->nondasd_support == 1) || expose_physicals)
95433bad 1020 shost->max_channel = aac->maximum_num_channels;
1da177e4 1021 else
95433bad 1022 shost->max_channel = 0;
1da177e4 1023
8c867b25 1024 aac_get_config_status(aac, 0);
1da177e4
LT		 1025 aac_get_containers(aac);
1026 list_add(&aac->entry, insert);
1027
1028 shost->max_id = aac->maximum_num_containers;
84971738
MH		 1029 if (shost->max_id < aac->maximum_num_physicals)
1030 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 1031 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1032 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1033 else
1034 shost->this_id = shost->max_id;
1035
1036 /*
1037 * dmb - we may need to move the setting of these parms somewhere else once
1038 * we get a fib that can report the actual numbers
1039 */
1040 shost->max_lun = AAC_MAX_LUN;
1041
1042 pci_set_drvdata(pdev, shost);
1043
1044 error = scsi_add_host(shost, &pdev->dev);
1045 if (error)
1046 goto out_deinit;
1047 scsi_scan_host(shost);
1048
1049 return 0;
1050
bd1aac80 1051 out_deinit:
fe27381d 1052 kthread_stop(aac->thread);
1da177e4 1053 aac_send_shutdown(aac);
bd1aac80 1054 aac_adapter_disable_int(aac);
8e0c5ebd
MH		 1055 free_irq(pdev->irq, aac);
1056 out_unmap:
bfb35aa8 1057 aac_fib_map_free(aac);
1da177e4
LT		 1058 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
1059 kfree(aac->queues);
76a7f8fd 1060 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 1061 kfree(aac->fibs);
1062 kfree(aac->fsa_dev);
1063 out_free_host:
1064 scsi_host_put(shost);
1065 out_disable_pdev:
1066 pci_disable_device(pdev);
1067 out:
1068 return error;
1069}
1070
bd1aac80
MH		 1071static void aac_shutdown(struct pci_dev *dev)
1072{
1073 struct Scsi_Host *shost = pci_get_drvdata(dev);
1074 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1075 aac_send_shutdown(aac);
1076}
1077
1da177e4
LT		 1078static void __devexit aac_remove_one(struct pci_dev *pdev)
1079{
1080 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1081 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1082
1083 scsi_remove_host(shost);
1084
fe27381d 1085 kthread_stop(aac->thread);
1da177e4
LT		 1086
1087 aac_send_shutdown(aac);
bd1aac80 1088 aac_adapter_disable_int(aac);
bfb35aa8 1089 aac_fib_map_free(aac);
1da177e4
LT		 1090 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1091 aac->comm_phys);
1092 kfree(aac->queues);
1093
1094 free_irq(pdev->irq, aac);
76a7f8fd 1095 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 1096
1097 kfree(aac->fibs);
8e0c5ebd 1098 kfree(aac->fsa_dev);
1da177e4
LT		 1099
1100 list_del(&aac->entry);
1101 scsi_host_put(shost);
1102 pci_disable_device(pdev);
90ee3466
MH		 1103 if (list_empty(&aac_devices)) {
1104 unregister_chrdev(aac_cfg_major, "aac");
1105 aac_cfg_major = -1;
1106 }
1da177e4
LT		 1107}
1108
1109static struct pci_driver aac_pci_driver = {
1110 .name = AAC_DRIVERNAME,
1111 .id_table = aac_pci_tbl,
1112 .probe = aac_probe_one,
1113 .remove = __devexit_p(aac_remove_one),
bd1aac80 1114 .shutdown = aac_shutdown,
1da177e4
LT		 1115};
1116
1117static int __init aac_init(void)
1118{
1119 int error;
1120
c7f47602
MH		 1121 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1122 AAC_DRIVERNAME, aac_driver_version);
1da177e4 1123
08efb7b6
MH		 1124 error = pci_register_driver(&aac_pci_driver);
1125 if (error < 0)
1da177e4
LT		 1126 return error;
1127
1128 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1129 if (aac_cfg_major < 0) {
1130 printk(KERN_WARNING
1131 "aacraid: unable to register \"aac\" device.\n");
1132 }
bd1aac80 1133
1da177e4
LT		 1134 return 0;
1135}
1136
1137static void __exit aac_exit(void)
1138{
53926274
MH		 1139 if (aac_cfg_major > -1)
1140 unregister_chrdev(aac_cfg_major, "aac");
1da177e4
LT		 1141 pci_unregister_driver(&aac_pci_driver);
1142}
1143
1144module_init(aac_init);
1145module_exit(aac_exit);
kernel source for telekom puls (alcatel/mediatek)