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[SCSI] MegaRAID SAS RAID: new driver
[linux-2.6-block.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 *
8 * Copyright (c) 2000 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
c7f47602
MH		 30#define AAC_DRIVER_VERSION "1.1-4"
31#ifndef AAC_DRIVER_BRANCH
32#define AAC_DRIVER_BRANCH ""
33#endif
34#define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
1da177e4
LT		 35#define AAC_DRIVERNAME "aacraid"
36
37#include <linux/compat.h>
38#include <linux/blkdev.h>
39#include <linux/completion.h>
40#include <linux/init.h>
41#include <linux/interrupt.h>
42#include <linux/kernel.h>
43#include <linux/module.h>
44#include <linux/moduleparam.h>
45#include <linux/pci.h>
46#include <linux/slab.h>
47#include <linux/spinlock.h>
48#include <linux/syscalls.h>
49#include <linux/ioctl32.h>
50#include <linux/delay.h>
51#include <linux/smp_lock.h>
52#include <asm/semaphore.h>
53
54#include <scsi/scsi.h>
55#include <scsi/scsi_cmnd.h>
56#include <scsi/scsi_device.h>
57#include <scsi/scsi_host.h>
58#include <scsi/scsi_tcq.h>
59#include <scsi/scsicam.h>
60#include <scsi/scsi_eh.h>
61
62#include "aacraid.h"
63
c7f47602
MH		 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
1da177e4
LT		 71
72MODULE_AUTHOR("Red Hat Inc and Adaptec");
73MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74 "Adaptec Advanced Raid Products, "
75 "and HP NetRAID-4M SCSI driver");
76MODULE_LICENSE("GPL");
c7f47602 77MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
1da177e4
LT		 78
79static LIST_HEAD(aac_devices);
80static int aac_cfg_major = -1;
c7f47602 81char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
1da177e4
LT		 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) */
84971738
MH		 116 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */
117 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (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 }, /* ICP5085AU (Hurricane) */
121 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
122 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
8e87c2f1
MH		 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-4005SAS */
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-4000SAS (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-4810SAS (Hurricane */
84971738 145
8e87c2f1
MH		 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 */
84971738 151
8e87c2f1
MH		 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 */
1da177e4
LT		 156 { 0,}
157};
158MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
159
160/*
161 * dmb - For now we add the number of channels to this structure.
162 * In the future we should add a fib that reports the number of channels
163 * for the card. At that time we can remove the channels from here
164 */
165static struct aac_driver_ident aac_drivers[] = {
166 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
175 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
176 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
177 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
180 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
181 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
182
183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
187 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
188 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
189 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
84971738
MH		 192 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */
193 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
195 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
196 { aac_rkt_init, "aacraid", "ICP ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */
8e87c2f1
MH		 197 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
198 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
84971738 200 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 201 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
202 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
205 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
208 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */
84971738 212 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 213 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
214 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
1da177e4
LT		 215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
8e87c2f1 218 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */
1da177e4
LT		 219
220 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
221 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
222 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
223 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
224 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
225
226 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
227 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
228 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
229 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */
230};
231
232/**
233 * aac_queuecommand - queue a SCSI command
234 * @cmd: SCSI command to queue
235 * @done: Function to call on command completion
236 *
237 * Queues a command for execution by the associated Host Adapter.
238 *
239 * TODO: unify with aac_scsi_cmd().
240 */
241
242static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
243{
244 cmd->scsi_done = done;
245 return (aac_scsi_cmd(cmd) ? FAILED : 0);
246}
247
248/**
249 * aac_info - Returns the host adapter name
250 * @shost: Scsi host to report on
251 *
252 * Returns a static string describing the device in question
253 */
254
4833869e 255static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 256{
257 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
258 return aac_drivers[dev->cardtype].name;
259}
260
261/**
262 * aac_get_driver_ident
263 * @devtype: index into lookup table
264 *
265 * Returns a pointer to the entry in the driver lookup table.
266 */
267
268struct aac_driver_ident* aac_get_driver_ident(int devtype)
269{
270 return &aac_drivers[devtype];
271}
272
273/**
274 * aac_biosparm - return BIOS parameters for disk
275 * @sdev: The scsi device corresponding to the disk
276 * @bdev: the block device corresponding to the disk
277 * @capacity: the sector capacity of the disk
278 * @geom: geometry block to fill in
279 *
280 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
281 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
282 * number of cylinders so as not to exceed drive capacity. In order for
283 * disks equal to or larger than 1 GB to be addressable by the BIOS
284 * without exceeding the BIOS limitation of 1024 cylinders, Extended
285 * Translation should be enabled. With Extended Translation enabled,
286 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
287 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
288 * are given a disk geometry of 255 heads and 63 sectors. However, if
289 * the BIOS detects that the Extended Translation setting does not match
290 * the geometry in the partition table, then the translation inferred
291 * from the partition table will be used by the BIOS, and a warning may
292 * be displayed.
293 */
294
295static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
296 sector_t capacity, int *geom)
297{
298 struct diskparm *param = (struct diskparm *)geom;
299 unsigned char *buf;
300
301 dprintk((KERN_DEBUG "aac_biosparm.\n"));
302
303 /*
304 * Assuming extended translation is enabled - #REVISIT#
305 */
306 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
307 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
308 param->heads = 255;
309 param->sectors = 63;
310 } else {
311 param->heads = 128;
312 param->sectors = 32;
313 }
314 } else {
315 param->heads = 64;
316 param->sectors = 32;
317 }
318
319 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
320
321 /*
322 * Read the first 1024 bytes from the disk device, if the boot
323 * sector partition table is valid, search for a partition table
324 * entry whose end_head matches one of the standard geometry
325 * translations ( 64/32, 128/32, 255/63 ).
326 */
327 buf = scsi_bios_ptable(bdev);
56b58712 328 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 329 struct partition *first = (struct partition * )buf;
330 struct partition *entry = first;
331 int saved_cylinders = param->cylinders;
332 int num;
333 unsigned char end_head, end_sec;
334
335 for(num = 0; num < 4; num++) {
336 end_head = entry->end_head;
337 end_sec = entry->end_sector & 0x3f;
338
339 if(end_head == 63) {
340 param->heads = 64;
341 param->sectors = 32;
342 break;
343 } else if(end_head == 127) {
344 param->heads = 128;
345 param->sectors = 32;
346 break;
347 } else if(end_head == 254) {
348 param->heads = 255;
349 param->sectors = 63;
350 break;
351 }
352 entry++;
353 }
354
355 if (num == 4) {
356 end_head = first->end_head;
357 end_sec = first->end_sector & 0x3f;
358 }
359
360 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
361 if (num < 4 && end_sec == param->sectors) {
362 if (param->cylinders != saved_cylinders)
363 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
364 param->heads, param->sectors, num));
365 } else if (end_head > 0 || end_sec > 0) {
366 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
367 end_head + 1, end_sec, num));
368 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
369 param->heads, param->sectors));
370 }
371 }
372 kfree(buf);
373 return 0;
374}
375
376/**
377 * aac_slave_configure - compute queue depths
378 * @sdev: SCSI device we are considering
379 *
380 * Selects queue depths for each target device based on the host adapter's
381 * total capacity and the queue depth supported by the target device.
382 * A queue depth of one automatically disables tagged queueing.
383 */
384
385static int aac_slave_configure(struct scsi_device *sdev)
386{
7c00ffa3
MH		 387 struct Scsi_Host *host = sdev->host;
388
1da177e4
LT		 389 if (sdev->tagged_supported)
390 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, 128);
391 else
392 scsi_adjust_queue_depth(sdev, 0, 1);
7c00ffa3 393
43f2f3d3
MH		 394 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options
395 & AAC_OPT_NEW_COMM))
7c00ffa3
MH		 396 blk_queue_max_segment_size(sdev->request_queue, 65536);
397
1da177e4
LT		 398 return 0;
399}
400
401static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
402{
403 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
404 return aac_do_ioctl(dev, cmd, arg);
405}
406
1da177e4
LT		 407/*
408 * aac_eh_reset - Reset command handling
409 * @scsi_cmd: SCSI command block causing the reset
410 *
411 */
412static int aac_eh_reset(struct scsi_cmnd* cmd)
413{
414 struct scsi_device * dev = cmd->device;
415 struct Scsi_Host * host = dev->host;
416 struct scsi_cmnd * command;
417 int count;
418 struct aac_dev * aac;
419 unsigned long flags;
420
421 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
422 AAC_DRIVERNAME);
423
424
df0ae249
JG		 425 spin_lock_irq(host->host_lock);
426
1da177e4
LT		 427 aac = (struct aac_dev *)host->hostdata;
428 if (aac_adapter_check_health(aac)) {
429 printk(KERN_ERR "%s: Host adapter appears dead\n",
430 AAC_DRIVERNAME);
df0ae249 431 spin_unlock_irq(host->host_lock);
1da177e4
LT		 432 return -ENODEV;
433 }
434 /*
435 * Wait for all commands to complete to this specific
436 * target (block maximum 60 seconds).
437 */
438 for (count = 60; count; --count) {
439 int active = 0;
440 __shost_for_each_device(dev, host) {
441 spin_lock_irqsave(&dev->list_lock, flags);
442 list_for_each_entry(command, &dev->cmd_list, list) {
443 if (command->serial_number) {
444 active++;
445 break;
446 }
447 }
448 spin_unlock_irqrestore(&dev->list_lock, flags);
449 if (active)
450 break;
451
452 }
453 /*
454 * We can exit If all the commands are complete
455 */
456 if (active == 0)
457 return SUCCESS;
458 spin_unlock_irq(host->host_lock);
459 ssleep(1);
460 spin_lock_irq(host->host_lock);
461 }
df0ae249 462 spin_unlock_irq(host->host_lock);
1da177e4
LT		 463 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
464 return -ETIMEDOUT;
465}
466
467/**
468 * aac_cfg_open - open a configuration file
469 * @inode: inode being opened
470 * @file: file handle attached
471 *
472 * Called when the configuration device is opened. Does the needed
473 * set up on the handle and then returns
474 *
475 * Bugs: This needs extending to check a given adapter is present
476 * so we can support hot plugging, and to ref count adapters.
477 */
478
479static int aac_cfg_open(struct inode *inode, struct file *file)
480{
481 struct aac_dev *aac;
7c00ffa3 482 unsigned minor_number = iminor(inode);
1da177e4
LT		 483 int err = -ENODEV;
484
485 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 486 if (aac->id == minor_number) {
1da177e4
LT		 487 file->private_data = aac;
488 err = 0;
489 break;
490 }
491 }
492
036d6184 493 return err;
1da177e4
LT		 494}
495
496/**
497 * aac_cfg_ioctl - AAC configuration request
498 * @inode: inode of device
499 * @file: file handle
500 * @cmd: ioctl command code
501 * @arg: argument
502 *
503 * Handles a configuration ioctl. Currently this involves wrapping it
504 * up and feeding it into the nasty windowsalike glue layer.
505 *
506 * Bugs: Needs locking against parallel ioctls lower down
507 * Bugs: Needs to handle hot plugging
508 */
509
510static int aac_cfg_ioctl(struct inode *inode, struct file *file,
511 unsigned int cmd, unsigned long arg)
512{
513 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
514}
515
516#ifdef CONFIG_COMPAT
517static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
518{
519 long ret;
520 lock_kernel();
521 switch (cmd) {
522 case FSACTL_MINIPORT_REV_CHECK:
523 case FSACTL_SENDFIB:
524 case FSACTL_OPEN_GET_ADAPTER_FIB:
525 case FSACTL_CLOSE_GET_ADAPTER_FIB:
526 case FSACTL_SEND_RAW_SRB:
527 case FSACTL_GET_PCI_INFO:
528 case FSACTL_QUERY_DISK:
529 case FSACTL_DELETE_DISK:
530 case FSACTL_FORCE_DELETE_DISK:
531 case FSACTL_GET_CONTAINERS:
7c00ffa3 532 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 533 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
534 break;
535
536 case FSACTL_GET_NEXT_ADAPTER_FIB: {
537 struct fib_ioctl __user *f;
538
539 f = compat_alloc_user_space(sizeof(*f));
540 ret = 0;
541 if (clear_user(f, sizeof(*f) != sizeof(*f)))
542 ret = -EFAULT;
543 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
544 ret = -EFAULT;
545 if (!ret)
546 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
547 break;
548 }
549
550 default:
551 ret = -ENOIOCTLCMD;
552 break;
553 }
554 unlock_kernel();
555 return ret;
556}
557
558static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
559{
560 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
561 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
562}
563
564static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
565{
566 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
567}
568#endif
569
0bb14afe
MH		 570static ssize_t aac_show_model(struct class_device *class_dev,
571 char *buf)
572{
573 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
574 int len;
575
576 len = snprintf(buf, PAGE_SIZE, "%s\n",
577 aac_drivers[dev->cardtype].model);
578 return len;
579}
580
581static ssize_t aac_show_vendor(struct class_device *class_dev,
582 char *buf)
583{
584 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
585 int len;
586
587 len = snprintf(buf, PAGE_SIZE, "%s\n",
588 aac_drivers[dev->cardtype].vname);
589 return len;
590}
591
592static ssize_t aac_show_kernel_version(struct class_device *class_dev,
593 char *buf)
594{
595 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
596 int len, tmp;
597
598 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
599 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
600 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
601 le32_to_cpu(dev->adapter_info.kernelbuild));
602 return len;
603}
604
605static ssize_t aac_show_monitor_version(struct class_device *class_dev,
606 char *buf)
607{
608 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
609 int len, tmp;
610
611 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
612 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
613 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
614 le32_to_cpu(dev->adapter_info.monitorbuild));
615 return len;
616}
617
618static ssize_t aac_show_bios_version(struct class_device *class_dev,
619 char *buf)
620{
621 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
622 int len, tmp;
623
624 tmp = le32_to_cpu(dev->adapter_info.biosrev);
625 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
626 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
627 le32_to_cpu(dev->adapter_info.biosbuild));
628 return len;
629}
630
631static ssize_t aac_show_serial_number(struct class_device *class_dev,
632 char *buf)
633{
634 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
635 int len = 0;
636
637 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
638 len = snprintf(buf, PAGE_SIZE, "%x\n",
639 le32_to_cpu(dev->adapter_info.serial[0]));
640 return len;
641}
642
643
644static struct class_device_attribute aac_model = {
645 .attr = {
646 .name = "model",
647 .mode = S_IRUGO,
648 },
649 .show = aac_show_model,
650};
651static struct class_device_attribute aac_vendor = {
652 .attr = {
653 .name = "vendor",
654 .mode = S_IRUGO,
655 },
656 .show = aac_show_vendor,
657};
658static struct class_device_attribute aac_kernel_version = {
659 .attr = {
660 .name = "hba_kernel_version",
661 .mode = S_IRUGO,
662 },
663 .show = aac_show_kernel_version,
664};
665static struct class_device_attribute aac_monitor_version = {
666 .attr = {
667 .name = "hba_monitor_version",
668 .mode = S_IRUGO,
669 },
670 .show = aac_show_monitor_version,
671};
672static struct class_device_attribute aac_bios_version = {
673 .attr = {
674 .name = "hba_bios_version",
675 .mode = S_IRUGO,
676 },
677 .show = aac_show_bios_version,
678};
679static struct class_device_attribute aac_serial_number = {
680 .attr = {
681 .name = "serial_number",
682 .mode = S_IRUGO,
683 },
684 .show = aac_show_serial_number,
685};
686
687static struct class_device_attribute *aac_attrs[] = {
688 &aac_model,
689 &aac_vendor,
690 &aac_kernel_version,
691 &aac_monitor_version,
692 &aac_bios_version,
693 &aac_serial_number,
694 NULL
695};
696
697
1da177e4
LT		 698static struct file_operations aac_cfg_fops = {
699 .owner = THIS_MODULE,
700 .ioctl = aac_cfg_ioctl,
701#ifdef CONFIG_COMPAT
702 .compat_ioctl = aac_compat_cfg_ioctl,
703#endif
704 .open = aac_cfg_open,
705};
706
707static struct scsi_host_template aac_driver_template = {
708 .module = THIS_MODULE,
709 .name = "AAC",
7c00ffa3 710 .proc_name = AAC_DRIVERNAME,
1da177e4
LT		 711 .info = aac_info,
712 .ioctl = aac_ioctl,
713#ifdef CONFIG_COMPAT
714 .compat_ioctl = aac_compat_ioctl,
715#endif
716 .queuecommand = aac_queuecommand,
717 .bios_param = aac_biosparm,
0bb14afe 718 .shost_attrs = aac_attrs,
1da177e4 719 .slave_configure = aac_slave_configure,
1da177e4
LT		 720 .eh_host_reset_handler = aac_eh_reset,
721 .can_queue = AAC_NUM_IO_FIB,
84971738 722 .this_id = MAXIMUM_NUM_CONTAINERS,
1da177e4
LT		 723 .sg_tablesize = 16,
724 .max_sectors = 128,
725#if (AAC_NUM_IO_FIB > 256)
726 .cmd_per_lun = 256,
727#else
728 .cmd_per_lun = AAC_NUM_IO_FIB,
729#endif
730 .use_clustering = ENABLE_CLUSTERING,
731};
732
733
734static int __devinit aac_probe_one(struct pci_dev *pdev,
735 const struct pci_device_id *id)
736{
737 unsigned index = id->driver_data;
738 struct Scsi_Host *shost;
739 struct aac_dev *aac;
740 struct list_head *insert = &aac_devices;
741 int error = -ENODEV;
742 int unique_id = 0;
743
744 list_for_each_entry(aac, &aac_devices, entry) {
745 if (aac->id > unique_id)
746 break;
747 insert = &aac->entry;
748 unique_id++;
749 }
750
751 if (pci_enable_device(pdev))
752 goto out;
753
754 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL) ||
755 pci_set_consistent_dma_mask(pdev, 0xFFFFFFFFULL))
756 goto out;
757 /*
758 * If the quirk31 bit is set, the adapter needs adapter
759 * to driver communication memory to be allocated below 2gig
760 */
761 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
762 if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
763 pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
764 goto out;
765
766 pci_set_master(pdev);
767
768 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
769 if (!shost)
770 goto out_disable_pdev;
771
772 shost->irq = pdev->irq;
773 shost->base = pci_resource_start(pdev, 0);
774 shost->unique_id = unique_id;
775
776 aac = (struct aac_dev *)shost->hostdata;
777 aac->scsi_host_ptr = shost;
778 aac->pdev = pdev;
779 aac->name = aac_driver_template.name;
780 aac->id = shost->unique_id;
781 aac->cardtype = index;
782 INIT_LIST_HEAD(&aac->entry);
783
7c00ffa3 784 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 785 if (!aac->fibs)
786 goto out_free_host;
787 spin_lock_init(&aac->fib_lock);
788
789 if ((*aac_drivers[index].init)(aac))
790 goto out_free_fibs;
791
792 /*
793 * If we had set a smaller DMA mask earlier, set it to 4gig
794 * now since the adapter can dma data to at least a 4gig
795 * address space.
796 */
797 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
798 if (pci_set_dma_mask(pdev, 0xFFFFFFFFULL))
799 goto out_free_fibs;
800
84971738 801 aac->maximum_num_channels = aac_drivers[index].channels;
1da177e4
LT		 802 aac_get_adapter_info(aac);
803
804 /*
7c00ffa3
MH		 805 * Lets override negotiations and drop the maximum SG limit to 34
806 */
807 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
808 (aac->scsi_host_ptr->sg_tablesize > 34)) {
809 aac->scsi_host_ptr->sg_tablesize = 34;
810 aac->scsi_host_ptr->max_sectors
811 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
812 }
813
814 /*
815 * Firware printf works only with older firmware.
816 */
817 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
818 aac->printf_enabled = 1;
819 else
820 aac->printf_enabled = 0;
821
822 /*
1da177e4
LT		 823 * max channel will be the physical channels plus 1 virtual channel
824 * all containers are on the virtual channel 0
825 * physical channels are address by their actual physical number+1
826 */
827 if (aac->nondasd_support == 1)
84971738 828 shost->max_channel = aac->maximum_num_channels + 1;
1da177e4
LT		 829 else
830 shost->max_channel = 1;
831
832 aac_get_config_status(aac);
833 aac_get_containers(aac);
834 list_add(&aac->entry, insert);
835
836 shost->max_id = aac->maximum_num_containers;
84971738
MH		 837 if (shost->max_id < aac->maximum_num_physicals)
838 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 839 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
840 shost->max_id = MAXIMUM_NUM_CONTAINERS;
841 else
842 shost->this_id = shost->max_id;
843
844 /*
845 * dmb - we may need to move the setting of these parms somewhere else once
846 * we get a fib that can report the actual numbers
847 */
848 shost->max_lun = AAC_MAX_LUN;
849
850 pci_set_drvdata(pdev, shost);
851
852 error = scsi_add_host(shost, &pdev->dev);
853 if (error)
854 goto out_deinit;
855 scsi_scan_host(shost);
856
857 return 0;
858
bd1aac80 859 out_deinit:
1da177e4
LT		 860 kill_proc(aac->thread_pid, SIGKILL, 0);
861 wait_for_completion(&aac->aif_completion);
862
863 aac_send_shutdown(aac);
bd1aac80 864 aac_adapter_disable_int(aac);
1da177e4
LT		 865 fib_map_free(aac);
866 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
867 kfree(aac->queues);
868 free_irq(pdev->irq, aac);
869 iounmap(aac->regs.sa);
870 out_free_fibs:
871 kfree(aac->fibs);
872 kfree(aac->fsa_dev);
873 out_free_host:
874 scsi_host_put(shost);
875 out_disable_pdev:
876 pci_disable_device(pdev);
877 out:
878 return error;
879}
880
bd1aac80
MH		 881static void aac_shutdown(struct pci_dev *dev)
882{
883 struct Scsi_Host *shost = pci_get_drvdata(dev);
884 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
885 aac_send_shutdown(aac);
886}
887
1da177e4
LT		 888static void __devexit aac_remove_one(struct pci_dev *pdev)
889{
890 struct Scsi_Host *shost = pci_get_drvdata(pdev);
891 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
892
893 scsi_remove_host(shost);
894
895 kill_proc(aac->thread_pid, SIGKILL, 0);
896 wait_for_completion(&aac->aif_completion);
897
898 aac_send_shutdown(aac);
bd1aac80 899 aac_adapter_disable_int(aac);
1da177e4
LT		 900 fib_map_free(aac);
901 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
902 aac->comm_phys);
903 kfree(aac->queues);
904
905 free_irq(pdev->irq, aac);
906 iounmap(aac->regs.sa);
907
908 kfree(aac->fibs);
909
910 list_del(&aac->entry);
911 scsi_host_put(shost);
912 pci_disable_device(pdev);
913}
914
915static struct pci_driver aac_pci_driver = {
916 .name = AAC_DRIVERNAME,
917 .id_table = aac_pci_tbl,
918 .probe = aac_probe_one,
919 .remove = __devexit_p(aac_remove_one),
bd1aac80 920 .shutdown = aac_shutdown,
1da177e4
LT		 921};
922
923static int __init aac_init(void)
924{
925 int error;
926
c7f47602
MH		 927 printk(KERN_INFO "Adaptec %s driver (%s)\n",
928 AAC_DRIVERNAME, aac_driver_version);
1da177e4
LT		 929
930 error = pci_module_init(&aac_pci_driver);
931 if (error)
932 return error;
933
934 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
935 if (aac_cfg_major < 0) {
936 printk(KERN_WARNING
937 "aacraid: unable to register \"aac\" device.\n");
938 }
bd1aac80 939
1da177e4
LT		 940 return 0;
941}
942
943static void __exit aac_exit(void)
944{
945 unregister_chrdev(aac_cfg_major, "aac");
946 pci_unregister_driver(&aac_pci_driver);
947}
948
949module_init(aac_init);
950module_exit(aac_exit);
Linux 6.x block layer and io_uring tree(s)