xref: /linux/drivers/scsi/aacraid/linit.c (revision b454cc6636d254fbf6049b73e9560aee76fb04a3)
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 
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/dma-mapping.h>
43 #include <linux/syscalls.h>
44 #include <linux/delay.h>
45 #include <linux/smp_lock.h>
46 #include <linux/kthread.h>
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 
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 
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
73 
74 MODULE_AUTHOR("Red Hat Inc and Adaptec");
75 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
76 		   "Adaptec Advanced Raid Products, "
77 		   "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
78 MODULE_LICENSE("GPL");
79 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
80 
81 static LIST_HEAD(aac_devices);
82 static int aac_cfg_major = -1;
83 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
84 
85 extern int expose_physicals;
86 
87 /*
88  * Because of the way Linux names scsi devices, the order in this table has
89  * become important.  Check for on-board Raid first, add-in cards second.
90  *
91  * Note: The last field is used to index into aac_drivers below.
92  */
93 static struct pci_device_id aac_pci_tbl[] = {
94 	{ 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
95 	{ 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
96 	{ 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
97 	{ 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
98 	{ 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
99 	{ 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
100 	{ 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
101 	{ 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
102 	{ 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
103 	{ 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
104 	{ 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
105 	{ 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
106 	{ 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
107 	{ 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
108 	{ 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
109 	{ 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
110 
111 	{ 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
112 	{ 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
113 	{ 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
114 	{ 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
115 	{ 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
116 	{ 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
117 	{ 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
118 	{ 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
119 	{ 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
120 	{ 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
121 	{ 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
122 	{ 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
123 	{ 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
124 	{ 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
125 	{ 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
126 	{ 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
127 	{ 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
128 	{ 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
129 	{ 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
130 	{ 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
131 	{ 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
132 	{ 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
133 	{ 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
134 	{ 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
135 	{ 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
136 	{ 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
137 	{ 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
138 	{ 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
139 	{ 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
140 	{ 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
141 	{ 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
142 	{ 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
143 	{ 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
144 	{ 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
145 	{ 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
146 	{ 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147 	{ 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
148 	{ 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
149 
150 	{ 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
151 	{ 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
152 	{ 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
153 	{ 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
154 	{ 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
155 
156 	{ 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
157 	{ 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
158 	{ 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
159 	{ 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
160 	{ 0,}
161 };
162 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
163 
164 /*
165  * dmb - For now we add the number of channels to this structure.
166  * In the future we should add a fib that reports the number of channels
167  * for the card.  At that time we can remove the channels from here
168  */
169 static struct aac_driver_ident aac_drivers[] = {
170 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
171 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
172 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
173 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
174 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
175 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
176 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
177 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
178 	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
179 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
180 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
181 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
182 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
183 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
184 	{ aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
185 	{ aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
186 
187 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
188 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
189 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
190 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
191 	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
192 	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
193 	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
194 	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
195 	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
196 	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
197 	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
198 	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
199 	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
200 	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
201 	{ aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
202 	{ aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
203 	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
204 	{ NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
205 	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
206 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
207 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
208 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
209 	{ aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
210 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
211 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
212 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
213 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
214 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
215 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
216 	{ aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
217 	{ aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
218 	{ aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
219 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
220 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
221 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
222 	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
223 
224 	{ aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
225 	{ aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
226 	{ aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
227 	{ aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
228 	{ aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
229 
230 	{ aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
231 	{ aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
232 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
233 	{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec Rocket Catch All */
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 
246 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
247 {
248 	cmd->scsi_done = done;
249 	cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
250 	return (aac_scsi_cmd(cmd) ? FAILED : 0);
251 }
252 
253 /**
254  *	aac_info		-	Returns the host adapter name
255  *	@shost:		Scsi host to report on
256  *
257  *	Returns a static string describing the device in question
258  */
259 
260 static const char *aac_info(struct Scsi_Host *shost)
261 {
262 	struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
263 	return aac_drivers[dev->cardtype].name;
264 }
265 
266 /**
267  *	aac_get_driver_ident
268  * 	@devtype: index into lookup table
269  *
270  * 	Returns a pointer to the entry in the driver lookup table.
271  */
272 
273 struct aac_driver_ident* aac_get_driver_ident(int devtype)
274 {
275 	return &aac_drivers[devtype];
276 }
277 
278 /**
279  *	aac_biosparm	-	return BIOS parameters for disk
280  *	@sdev: The scsi device corresponding to the disk
281  *	@bdev: the block device corresponding to the disk
282  *	@capacity: the sector capacity of the disk
283  *	@geom: geometry block to fill in
284  *
285  *	Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
286  *	The default disk geometry is 64 heads, 32 sectors, and the appropriate
287  *	number of cylinders so as not to exceed drive capacity.  In order for
288  *	disks equal to or larger than 1 GB to be addressable by the BIOS
289  *	without exceeding the BIOS limitation of 1024 cylinders, Extended
290  *	Translation should be enabled.   With Extended Translation enabled,
291  *	drives between 1 GB inclusive and 2 GB exclusive are given a disk
292  *	geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
293  *	are given a disk geometry of 255 heads and 63 sectors.  However, if
294  *	the BIOS detects that the Extended Translation setting does not match
295  *	the geometry in the partition table, then the translation inferred
296  *	from the partition table will be used by the BIOS, and a warning may
297  *	be displayed.
298  */
299 
300 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
301 			sector_t capacity, int *geom)
302 {
303 	struct diskparm *param = (struct diskparm *)geom;
304 	unsigned char *buf;
305 
306 	dprintk((KERN_DEBUG "aac_biosparm.\n"));
307 
308 	/*
309 	 *	Assuming extended translation is enabled - #REVISIT#
310 	 */
311 	if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
312 		if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
313 			param->heads = 255;
314 			param->sectors = 63;
315 		} else {
316 			param->heads = 128;
317 			param->sectors = 32;
318 		}
319 	} else {
320 		param->heads = 64;
321 		param->sectors = 32;
322 	}
323 
324 	param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
325 
326 	/*
327 	 *	Read the first 1024 bytes from the disk device, if the boot
328 	 *	sector partition table is valid, search for a partition table
329 	 *	entry whose end_head matches one of the standard geometry
330 	 *	translations ( 64/32, 128/32, 255/63 ).
331 	 */
332 	buf = scsi_bios_ptable(bdev);
333 	if (!buf)
334 		return 0;
335 	if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
336 		struct partition *first = (struct partition * )buf;
337 		struct partition *entry = first;
338 		int saved_cylinders = param->cylinders;
339 		int num;
340 		unsigned char end_head, end_sec;
341 
342 		for(num = 0; num < 4; num++) {
343 			end_head = entry->end_head;
344 			end_sec = entry->end_sector & 0x3f;
345 
346 			if(end_head == 63) {
347 				param->heads = 64;
348 				param->sectors = 32;
349 				break;
350 			} else if(end_head == 127) {
351 				param->heads = 128;
352 				param->sectors = 32;
353 				break;
354 			} else if(end_head == 254) {
355 				param->heads = 255;
356 				param->sectors = 63;
357 				break;
358 			}
359 			entry++;
360 		}
361 
362 		if (num == 4) {
363 			end_head = first->end_head;
364 			end_sec = first->end_sector & 0x3f;
365 		}
366 
367 		param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
368 		if (num < 4 && end_sec == param->sectors) {
369 			if (param->cylinders != saved_cylinders)
370 				dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
371 					param->heads, param->sectors, num));
372 		} else if (end_head > 0 || end_sec > 0) {
373 			dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
374 				end_head + 1, end_sec, num));
375 			dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
376 					param->heads, param->sectors));
377 		}
378 	}
379 	kfree(buf);
380 	return 0;
381 }
382 
383 /**
384  *	aac_slave_configure		-	compute queue depths
385  *	@sdev:	SCSI device we are considering
386  *
387  *	Selects queue depths for each target device based on the host adapter's
388  *	total capacity and the queue depth supported by the target device.
389  *	A queue depth of one automatically disables tagged queueing.
390  */
391 
392 static int aac_slave_configure(struct scsi_device *sdev)
393 {
394 	if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
395 		sdev->skip_ms_page_8 = 1;
396 		sdev->skip_ms_page_3f = 1;
397 	}
398 	if ((sdev->type == TYPE_DISK) &&
399 			!expose_physicals &&
400 			(sdev_channel(sdev) != CONTAINER_CHANNEL)) {
401 		struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
402 		if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
403 			sdev->no_uld_attach = 1;
404 	}
405 	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
406 			(sdev_channel(sdev) == CONTAINER_CHANNEL)) {
407 		struct scsi_device * dev;
408 		struct Scsi_Host *host = sdev->host;
409 		unsigned num_lsu = 0;
410 		unsigned num_one = 0;
411 		unsigned depth;
412 
413 		__shost_for_each_device(dev, host) {
414 			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
415 				(sdev_channel(dev) == CONTAINER_CHANNEL))
416 				++num_lsu;
417 			else
418 				++num_one;
419 		}
420 		if (num_lsu == 0)
421 			++num_lsu;
422 		depth = (host->can_queue - num_one) / num_lsu;
423 		if (depth > 256)
424 			depth = 256;
425 		else if (depth < 2)
426 			depth = 2;
427 		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
428 		if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
429 				AAC_OPT_NEW_COMM))
430 			blk_queue_max_segment_size(sdev->request_queue, 65536);
431 	} else
432 		scsi_adjust_queue_depth(sdev, 0, 1);
433 
434 	return 0;
435 }
436 
437 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
438 {
439 	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
440 	return aac_do_ioctl(dev, cmd, arg);
441 }
442 
443 /*
444  *	aac_eh_reset	- Reset command handling
445  *	@scsi_cmd:	SCSI command block causing the reset
446  *
447  */
448 static int aac_eh_reset(struct scsi_cmnd* cmd)
449 {
450 	struct scsi_device * dev = cmd->device;
451 	struct Scsi_Host * host = dev->host;
452 	struct scsi_cmnd * command;
453 	int count;
454 	struct aac_dev * aac;
455 	unsigned long flags;
456 
457 	printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
458 					AAC_DRIVERNAME);
459 	aac = (struct aac_dev *)host->hostdata;
460 
461 	if ((count = aac_check_health(aac)))
462 		return count;
463 	/*
464 	 * Wait for all commands to complete to this specific
465 	 * target (block maximum 60 seconds).
466 	 */
467 	for (count = 60; count; --count) {
468 		int active = aac->in_reset;
469 
470 		if (active == 0)
471 		__shost_for_each_device(dev, host) {
472 			spin_lock_irqsave(&dev->list_lock, flags);
473 			list_for_each_entry(command, &dev->cmd_list, list) {
474 				if ((command != cmd) &&
475 				    (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
476 					active++;
477 					break;
478 				}
479 			}
480 			spin_unlock_irqrestore(&dev->list_lock, flags);
481 			if (active)
482 				break;
483 
484 		}
485 		/*
486 		 * We can exit If all the commands are complete
487 		 */
488 		if (active == 0)
489 			return SUCCESS;
490 		ssleep(1);
491 	}
492 	printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
493 	return -ETIMEDOUT;
494 }
495 
496 /**
497  *	aac_cfg_open		-	open a configuration file
498  *	@inode: inode being opened
499  *	@file: file handle attached
500  *
501  *	Called when the configuration device is opened. Does the needed
502  *	set up on the handle and then returns
503  *
504  *	Bugs: This needs extending to check a given adapter is present
505  *	so we can support hot plugging, and to ref count adapters.
506  */
507 
508 static int aac_cfg_open(struct inode *inode, struct file *file)
509 {
510 	struct aac_dev *aac;
511 	unsigned minor_number = iminor(inode);
512 	int err = -ENODEV;
513 
514 	list_for_each_entry(aac, &aac_devices, entry) {
515 		if (aac->id == minor_number) {
516 			file->private_data = aac;
517 			err = 0;
518 			break;
519 		}
520 	}
521 
522 	return err;
523 }
524 
525 /**
526  *	aac_cfg_ioctl		-	AAC configuration request
527  *	@inode: inode of device
528  *	@file: file handle
529  *	@cmd: ioctl command code
530  *	@arg: argument
531  *
532  *	Handles a configuration ioctl. Currently this involves wrapping it
533  *	up and feeding it into the nasty windowsalike glue layer.
534  *
535  *	Bugs: Needs locking against parallel ioctls lower down
536  *	Bugs: Needs to handle hot plugging
537  */
538 
539 static int aac_cfg_ioctl(struct inode *inode,  struct file *file,
540 		unsigned int cmd, unsigned long arg)
541 {
542 	return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
543 }
544 
545 #ifdef CONFIG_COMPAT
546 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
547 {
548 	long ret;
549 	lock_kernel();
550 	switch (cmd) {
551 	case FSACTL_MINIPORT_REV_CHECK:
552 	case FSACTL_SENDFIB:
553 	case FSACTL_OPEN_GET_ADAPTER_FIB:
554 	case FSACTL_CLOSE_GET_ADAPTER_FIB:
555 	case FSACTL_SEND_RAW_SRB:
556 	case FSACTL_GET_PCI_INFO:
557 	case FSACTL_QUERY_DISK:
558 	case FSACTL_DELETE_DISK:
559 	case FSACTL_FORCE_DELETE_DISK:
560 	case FSACTL_GET_CONTAINERS:
561 	case FSACTL_SEND_LARGE_FIB:
562 		ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
563 		break;
564 
565 	case FSACTL_GET_NEXT_ADAPTER_FIB: {
566 		struct fib_ioctl __user *f;
567 
568 		f = compat_alloc_user_space(sizeof(*f));
569 		ret = 0;
570 		if (clear_user(f, sizeof(*f)))
571 			ret = -EFAULT;
572 		if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
573 			ret = -EFAULT;
574 		if (!ret)
575 			ret = aac_do_ioctl(dev, cmd, f);
576 		break;
577 	}
578 
579 	default:
580 		ret = -ENOIOCTLCMD;
581 		break;
582 	}
583 	unlock_kernel();
584 	return ret;
585 }
586 
587 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
588 {
589 	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
590 	return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
591 }
592 
593 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
594 {
595 	return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
596 }
597 #endif
598 
599 static ssize_t aac_show_model(struct class_device *class_dev,
600 		char *buf)
601 {
602 	struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
603 	int len;
604 
605 	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
606 		char * cp = dev->supplement_adapter_info.AdapterTypeText;
607 		while (*cp && *cp != ' ')
608 			++cp;
609 		while (*cp == ' ')
610 			++cp;
611 		len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
612 	} else
613 		len = snprintf(buf, PAGE_SIZE, "%s\n",
614 		  aac_drivers[dev->cardtype].model);
615 	return len;
616 }
617 
618 static ssize_t aac_show_vendor(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;
623 
624 	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
625 		char * cp = dev->supplement_adapter_info.AdapterTypeText;
626 		while (*cp && *cp != ' ')
627 			++cp;
628 		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
629 		  (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
630 		  dev->supplement_adapter_info.AdapterTypeText);
631 	} else
632 		len = snprintf(buf, PAGE_SIZE, "%s\n",
633 		  aac_drivers[dev->cardtype].vname);
634 	return len;
635 }
636 
637 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
638 		char *buf)
639 {
640 	struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
641 	int len, tmp;
642 
643 	tmp = le32_to_cpu(dev->adapter_info.kernelrev);
644 	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
645 	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
646 	  le32_to_cpu(dev->adapter_info.kernelbuild));
647 	return len;
648 }
649 
650 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
651 		char *buf)
652 {
653 	struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
654 	int len, tmp;
655 
656 	tmp = le32_to_cpu(dev->adapter_info.monitorrev);
657 	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
658 	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
659 	  le32_to_cpu(dev->adapter_info.monitorbuild));
660 	return len;
661 }
662 
663 static ssize_t aac_show_bios_version(struct class_device *class_dev,
664 		char *buf)
665 {
666 	struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
667 	int len, tmp;
668 
669 	tmp = le32_to_cpu(dev->adapter_info.biosrev);
670 	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
671 	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
672 	  le32_to_cpu(dev->adapter_info.biosbuild));
673 	return len;
674 }
675 
676 static ssize_t aac_show_serial_number(struct class_device *class_dev,
677 		char *buf)
678 {
679 	struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
680 	int len = 0;
681 
682 	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
683 		len = snprintf(buf, PAGE_SIZE, "%x\n",
684 		  le32_to_cpu(dev->adapter_info.serial[0]));
685 	return len;
686 }
687 
688 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
689 {
690 	return snprintf(buf, PAGE_SIZE, "%d\n",
691 	  class_to_shost(class_dev)->max_channel);
692 }
693 
694 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
695 {
696 	return snprintf(buf, PAGE_SIZE, "%d\n",
697 	  class_to_shost(class_dev)->max_id);
698 }
699 
700 
701 static struct class_device_attribute aac_model = {
702 	.attr = {
703 		.name = "model",
704 		.mode = S_IRUGO,
705 	},
706 	.show = aac_show_model,
707 };
708 static struct class_device_attribute aac_vendor = {
709 	.attr = {
710 		.name = "vendor",
711 		.mode = S_IRUGO,
712 	},
713 	.show = aac_show_vendor,
714 };
715 static struct class_device_attribute aac_kernel_version = {
716 	.attr = {
717 		.name = "hba_kernel_version",
718 		.mode = S_IRUGO,
719 	},
720 	.show = aac_show_kernel_version,
721 };
722 static struct class_device_attribute aac_monitor_version = {
723 	.attr = {
724 		.name = "hba_monitor_version",
725 		.mode = S_IRUGO,
726 	},
727 	.show = aac_show_monitor_version,
728 };
729 static struct class_device_attribute aac_bios_version = {
730 	.attr = {
731 		.name = "hba_bios_version",
732 		.mode = S_IRUGO,
733 	},
734 	.show = aac_show_bios_version,
735 };
736 static struct class_device_attribute aac_serial_number = {
737 	.attr = {
738 		.name = "serial_number",
739 		.mode = S_IRUGO,
740 	},
741 	.show = aac_show_serial_number,
742 };
743 static struct class_device_attribute aac_max_channel = {
744 	.attr = {
745 		.name = "max_channel",
746 		.mode = S_IRUGO,
747 	},
748 	.show = aac_show_max_channel,
749 };
750 static struct class_device_attribute aac_max_id = {
751 	.attr = {
752 		.name = "max_id",
753 		.mode = S_IRUGO,
754 	},
755 	.show = aac_show_max_id,
756 };
757 
758 static struct class_device_attribute *aac_attrs[] = {
759 	&aac_model,
760 	&aac_vendor,
761 	&aac_kernel_version,
762 	&aac_monitor_version,
763 	&aac_bios_version,
764 	&aac_serial_number,
765 	&aac_max_channel,
766 	&aac_max_id,
767 	NULL
768 };
769 
770 
771 static struct file_operations aac_cfg_fops = {
772 	.owner		= THIS_MODULE,
773 	.ioctl		= aac_cfg_ioctl,
774 #ifdef CONFIG_COMPAT
775 	.compat_ioctl   = aac_compat_cfg_ioctl,
776 #endif
777 	.open		= aac_cfg_open,
778 };
779 
780 static struct scsi_host_template aac_driver_template = {
781 	.module				= THIS_MODULE,
782 	.name           		= "AAC",
783 	.proc_name			= AAC_DRIVERNAME,
784 	.info           		= aac_info,
785 	.ioctl          		= aac_ioctl,
786 #ifdef CONFIG_COMPAT
787 	.compat_ioctl			= aac_compat_ioctl,
788 #endif
789 	.queuecommand   		= aac_queuecommand,
790 	.bios_param     		= aac_biosparm,
791 	.shost_attrs			= aac_attrs,
792 	.slave_configure		= aac_slave_configure,
793 	.eh_host_reset_handler		= aac_eh_reset,
794 	.can_queue      		= AAC_NUM_IO_FIB,
795 	.this_id        		= MAXIMUM_NUM_CONTAINERS,
796 	.sg_tablesize   		= 16,
797 	.max_sectors    		= 128,
798 #if (AAC_NUM_IO_FIB > 256)
799 	.cmd_per_lun			= 256,
800 #else
801 	.cmd_per_lun    		= AAC_NUM_IO_FIB,
802 #endif
803 	.use_clustering			= ENABLE_CLUSTERING,
804 	.emulated                       = 1,
805 };
806 
807 
808 static int __devinit aac_probe_one(struct pci_dev *pdev,
809 		const struct pci_device_id *id)
810 {
811 	unsigned index = id->driver_data;
812 	struct Scsi_Host *shost;
813 	struct aac_dev *aac;
814 	struct list_head *insert = &aac_devices;
815 	int error = -ENODEV;
816 	int unique_id = 0;
817 
818 	list_for_each_entry(aac, &aac_devices, entry) {
819 		if (aac->id > unique_id)
820 			break;
821 		insert = &aac->entry;
822 		unique_id++;
823 	}
824 
825 	error = pci_enable_device(pdev);
826 	if (error)
827 		goto out;
828 	error = -ENODEV;
829 
830 	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
831 			pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
832 		goto out_disable_pdev;
833 	/*
834 	 * If the quirk31 bit is set, the adapter needs adapter
835 	 * to driver communication memory to be allocated below 2gig
836 	 */
837 	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
838 		if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
839 				pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
840 			goto out_disable_pdev;
841 
842 	pci_set_master(pdev);
843 
844 	shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
845 	if (!shost)
846 		goto out_disable_pdev;
847 
848 	shost->irq = pdev->irq;
849 	shost->base = pci_resource_start(pdev, 0);
850 	shost->unique_id = unique_id;
851 	shost->max_cmd_len = 16;
852 
853 	aac = (struct aac_dev *)shost->hostdata;
854 	aac->scsi_host_ptr = shost;
855 	aac->pdev = pdev;
856 	aac->name = aac_driver_template.name;
857 	aac->id = shost->unique_id;
858 	aac->cardtype =  index;
859 	INIT_LIST_HEAD(&aac->entry);
860 
861 	aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
862 	if (!aac->fibs)
863 		goto out_free_host;
864 	spin_lock_init(&aac->fib_lock);
865 
866 	/*
867 	 *	Map in the registers from the adapter.
868 	 */
869 	aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
870 	if ((*aac_drivers[index].init)(aac))
871 		goto out_unmap;
872 
873 	/*
874 	 *	Start any kernel threads needed
875 	 */
876 	aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
877 	if (IS_ERR(aac->thread)) {
878 		printk(KERN_ERR "aacraid: Unable to create command thread.\n");
879 		error = PTR_ERR(aac->thread);
880 		goto out_deinit;
881 	}
882 
883 	/*
884 	 * If we had set a smaller DMA mask earlier, set it to 4gig
885 	 * now since the adapter can dma data to at least a 4gig
886 	 * address space.
887 	 */
888 	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
889 		if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
890 			goto out_deinit;
891 
892 	aac->maximum_num_channels = aac_drivers[index].channels;
893 	error = aac_get_adapter_info(aac);
894 	if (error < 0)
895 		goto out_deinit;
896 
897 	/*
898  	 * Lets override negotiations and drop the maximum SG limit to 34
899  	 */
900  	if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
901 			(aac->scsi_host_ptr->sg_tablesize > 34)) {
902  		aac->scsi_host_ptr->sg_tablesize = 34;
903  		aac->scsi_host_ptr->max_sectors
904  		  = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
905  	}
906 
907  	if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
908 			(aac->scsi_host_ptr->sg_tablesize > 17)) {
909  		aac->scsi_host_ptr->sg_tablesize = 17;
910  		aac->scsi_host_ptr->max_sectors
911  		  = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
912  	}
913 
914 	/*
915 	 * Firware printf works only with older firmware.
916 	 */
917 	if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
918 		aac->printf_enabled = 1;
919 	else
920 		aac->printf_enabled = 0;
921 
922  	/*
923 	 * max channel will be the physical channels plus 1 virtual channel
924 	 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
925 	 * physical channels are address by their actual physical number+1
926 	 */
927 	if ((aac->nondasd_support == 1) || expose_physicals)
928 		shost->max_channel = aac->maximum_num_channels;
929 	else
930 		shost->max_channel = 0;
931 
932 	aac_get_config_status(aac, 0);
933 	aac_get_containers(aac);
934 	list_add(&aac->entry, insert);
935 
936 	shost->max_id = aac->maximum_num_containers;
937 	if (shost->max_id < aac->maximum_num_physicals)
938 		shost->max_id = aac->maximum_num_physicals;
939 	if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
940 		shost->max_id = MAXIMUM_NUM_CONTAINERS;
941 	else
942 		shost->this_id = shost->max_id;
943 
944 	/*
945 	 * dmb - we may need to move the setting of these parms somewhere else once
946 	 * we get a fib that can report the actual numbers
947 	 */
948 	shost->max_lun = AAC_MAX_LUN;
949 
950 	pci_set_drvdata(pdev, shost);
951 
952 	error = scsi_add_host(shost, &pdev->dev);
953 	if (error)
954 		goto out_deinit;
955 	scsi_scan_host(shost);
956 
957 	return 0;
958 
959  out_deinit:
960 	kthread_stop(aac->thread);
961 	aac_send_shutdown(aac);
962 	aac_adapter_disable_int(aac);
963 	free_irq(pdev->irq, aac);
964  out_unmap:
965 	aac_fib_map_free(aac);
966 	pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
967 	kfree(aac->queues);
968 	aac_adapter_ioremap(aac, 0);
969 	kfree(aac->fibs);
970 	kfree(aac->fsa_dev);
971  out_free_host:
972 	scsi_host_put(shost);
973  out_disable_pdev:
974 	pci_disable_device(pdev);
975  out:
976 	return error;
977 }
978 
979 static void aac_shutdown(struct pci_dev *dev)
980 {
981 	struct Scsi_Host *shost = pci_get_drvdata(dev);
982 	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
983 	aac_send_shutdown(aac);
984 }
985 
986 static void __devexit aac_remove_one(struct pci_dev *pdev)
987 {
988 	struct Scsi_Host *shost = pci_get_drvdata(pdev);
989 	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
990 
991 	scsi_remove_host(shost);
992 
993 	kthread_stop(aac->thread);
994 
995 	aac_send_shutdown(aac);
996 	aac_adapter_disable_int(aac);
997 	aac_fib_map_free(aac);
998 	pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
999 			aac->comm_phys);
1000 	kfree(aac->queues);
1001 
1002 	free_irq(pdev->irq, aac);
1003 	aac_adapter_ioremap(aac, 0);
1004 
1005 	kfree(aac->fibs);
1006 	kfree(aac->fsa_dev);
1007 
1008 	list_del(&aac->entry);
1009 	scsi_host_put(shost);
1010 	pci_disable_device(pdev);
1011 	if (list_empty(&aac_devices)) {
1012 		unregister_chrdev(aac_cfg_major, "aac");
1013 		aac_cfg_major = -1;
1014 	}
1015 }
1016 
1017 static struct pci_driver aac_pci_driver = {
1018 	.name		= AAC_DRIVERNAME,
1019 	.id_table	= aac_pci_tbl,
1020 	.probe		= aac_probe_one,
1021 	.remove		= __devexit_p(aac_remove_one),
1022 	.shutdown 	= aac_shutdown,
1023 };
1024 
1025 static int __init aac_init(void)
1026 {
1027 	int error;
1028 
1029 	printk(KERN_INFO "Adaptec %s driver (%s)\n",
1030 	  AAC_DRIVERNAME, aac_driver_version);
1031 
1032 	error = pci_register_driver(&aac_pci_driver);
1033 	if (error < 0)
1034 		return error;
1035 
1036 	aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1037 	if (aac_cfg_major < 0) {
1038 		printk(KERN_WARNING
1039 		       "aacraid: unable to register \"aac\" device.\n");
1040 	}
1041 
1042 	return 0;
1043 }
1044 
1045 static void __exit aac_exit(void)
1046 {
1047 	if (aac_cfg_major > -1)
1048 		unregister_chrdev(aac_cfg_major, "aac");
1049 	pci_unregister_driver(&aac_pci_driver);
1050 }
1051 
1052 module_init(aac_init);
1053 module_exit(aac_exit);
1054