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[MIPS] update cobalt_defconfig
[pv_ops_mirror.git] / drivers / scsi / aacraid / linit.c
blob5c487ff096c7dca723374944c7751ebdf03d7629
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/spinlock.h>
42 #include <linux/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 /*
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 */
91 static 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) */
118 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
123 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
124 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
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) */
138 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
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) */
143 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
144 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
145 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
146 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
147
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 */
153
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 */
158 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
159 { 0,}
160 };
161 MODULE_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 */
168 static 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) */
195 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
196 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
197 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
198 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
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) */
203 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
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) */
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) */
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) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
215 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
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) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
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) */
221 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
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 */
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 */
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 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 }
261 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
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
272 static const char *aac_info(struct Scsi_Host *shost)
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
285 struct 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
312 static 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);
345 if (!buf)
346 return 0;
347 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
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
404 static int aac_slave_configure(struct scsi_device *sdev)
405 {
406 if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
407 sdev->skip_ms_page_8 = 1;
408 sdev->skip_ms_page_3f = 1;
409 }
410 if ((sdev->type == TYPE_DISK) &&
411 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
412 if (expose_physicals == 0)
413 return -ENXIO;
414 if (expose_physicals < 0) {
415 struct aac_dev *aac =
416 (struct aac_dev *)sdev->host->hostdata;
417 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
418 sdev->no_uld_attach = 1;
419 }
420 }
421 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
422 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
423 struct scsi_device * dev;
424 struct Scsi_Host *host = sdev->host;
425 unsigned num_lsu = 0;
426 unsigned num_one = 0;
427 unsigned depth;
428
429 __shost_for_each_device(dev, host) {
430 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
431 (sdev_channel(dev) == CONTAINER_CHANNEL))
432 ++num_lsu;
433 else
434 ++num_one;
435 }
436 if (num_lsu == 0)
437 ++num_lsu;
438 depth = (host->can_queue - num_one) / num_lsu;
439 if (depth > 256)
440 depth = 256;
441 else if (depth < 2)
442 depth = 2;
443 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
444 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
445 AAC_OPT_NEW_COMM))
446 blk_queue_max_segment_size(sdev->request_queue, 65536);
447 } else
448 scsi_adjust_queue_depth(sdev, 0, 1);
449
450 return 0;
451 }
452
453 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
454 {
455 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
456 return aac_do_ioctl(dev, cmd, arg);
457 }
458
459 static int aac_eh_abort(struct scsi_cmnd* cmd)
460 {
461 struct scsi_device * dev = cmd->device;
462 struct Scsi_Host * host = dev->host;
463 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
464 int count;
465 int ret = FAILED;
466
467 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
468 AAC_DRIVERNAME,
469 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
470 switch (cmd->cmnd[0]) {
471 case SERVICE_ACTION_IN:
472 if (!(aac->raw_io_interface) ||
473 !(aac->raw_io_64) ||
474 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
475 break;
476 case INQUIRY:
477 case READ_CAPACITY:
478 case TEST_UNIT_READY:
479 /* Mark associated FIB to not complete, eh handler does this */
480 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
481 struct fib * fib = &aac->fibs[count];
482 if (fib->hw_fib_va->header.XferState &&
483 (fib->callback_data == cmd)) {
484 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
485 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
486 ret = SUCCESS;
487 }
488 }
489 }
490 return ret;
491 }
492
493 /*
494 * aac_eh_reset - Reset command handling
495 * @scsi_cmd: SCSI command block causing the reset
496 *
497 */
498 static int aac_eh_reset(struct scsi_cmnd* cmd)
499 {
500 struct scsi_device * dev = cmd->device;
501 struct Scsi_Host * host = dev->host;
502 struct scsi_cmnd * command;
503 int count;
504 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
505 unsigned long flags;
506
507 /* Mark the associated FIB to not complete, eh handler does this */
508 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
509 struct fib * fib = &aac->fibs[count];
510 if (fib->hw_fib_va->header.XferState &&
511 (fib->callback_data == cmd)) {
512 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
513 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
514 }
515 }
516 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
517 AAC_DRIVERNAME);
518
519 if ((count = aac_check_health(aac)))
520 return count;
521 /*
522 * Wait for all commands to complete to this specific
523 * target (block maximum 60 seconds).
524 */
525 for (count = 60; count; --count) {
526 int active = aac->in_reset;
527
528 if (active == 0)
529 __shost_for_each_device(dev, host) {
530 spin_lock_irqsave(&dev->list_lock, flags);
531 list_for_each_entry(command, &dev->cmd_list, list) {
532 if ((command != cmd) &&
533 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
534 active++;
535 break;
536 }
537 }
538 spin_unlock_irqrestore(&dev->list_lock, flags);
539 if (active)
540 break;
541
542 }
543 /*
544 * We can exit If all the commands are complete
545 */
546 if (active == 0)
547 return SUCCESS;
548 ssleep(1);
549 }
550 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
551 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
552 }
553
554 /**
555 * aac_cfg_open - open a configuration file
556 * @inode: inode being opened
557 * @file: file handle attached
558 *
559 * Called when the configuration device is opened. Does the needed
560 * set up on the handle and then returns
561 *
562 * Bugs: This needs extending to check a given adapter is present
563 * so we can support hot plugging, and to ref count adapters.
564 */
565
566 static int aac_cfg_open(struct inode *inode, struct file *file)
567 {
568 struct aac_dev *aac;
569 unsigned minor_number = iminor(inode);
570 int err = -ENODEV;
571
572 list_for_each_entry(aac, &aac_devices, entry) {
573 if (aac->id == minor_number) {
574 file->private_data = aac;
575 err = 0;
576 break;
577 }
578 }
579
580 return err;
581 }
582
583 /**
584 * aac_cfg_ioctl - AAC configuration request
585 * @inode: inode of device
586 * @file: file handle
587 * @cmd: ioctl command code
588 * @arg: argument
589 *
590 * Handles a configuration ioctl. Currently this involves wrapping it
591 * up and feeding it into the nasty windowsalike glue layer.
592 *
593 * Bugs: Needs locking against parallel ioctls lower down
594 * Bugs: Needs to handle hot plugging
595 */
596
597 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
598 unsigned int cmd, unsigned long arg)
599 {
600 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
601 }
602
603 #ifdef CONFIG_COMPAT
604 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
605 {
606 long ret;
607 lock_kernel();
608 switch (cmd) {
609 case FSACTL_MINIPORT_REV_CHECK:
610 case FSACTL_SENDFIB:
611 case FSACTL_OPEN_GET_ADAPTER_FIB:
612 case FSACTL_CLOSE_GET_ADAPTER_FIB:
613 case FSACTL_SEND_RAW_SRB:
614 case FSACTL_GET_PCI_INFO:
615 case FSACTL_QUERY_DISK:
616 case FSACTL_DELETE_DISK:
617 case FSACTL_FORCE_DELETE_DISK:
618 case FSACTL_GET_CONTAINERS:
619 case FSACTL_SEND_LARGE_FIB:
620 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
621 break;
622
623 case FSACTL_GET_NEXT_ADAPTER_FIB: {
624 struct fib_ioctl __user *f;
625
626 f = compat_alloc_user_space(sizeof(*f));
627 ret = 0;
628 if (clear_user(f, sizeof(*f)))
629 ret = -EFAULT;
630 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
631 ret = -EFAULT;
632 if (!ret)
633 ret = aac_do_ioctl(dev, cmd, f);
634 break;
635 }
636
637 default:
638 ret = -ENOIOCTLCMD;
639 break;
640 }
641 unlock_kernel();
642 return ret;
643 }
644
645 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
646 {
647 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
648 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
649 }
650
651 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
652 {
653 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
654 }
655 #endif
656
657 static ssize_t aac_show_model(struct class_device *class_dev,
658 char *buf)
659 {
660 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
661 int len;
662
663 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
664 char * cp = dev->supplement_adapter_info.AdapterTypeText;
665 while (*cp && *cp != ' ')
666 ++cp;
667 while (*cp == ' ')
668 ++cp;
669 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
670 } else
671 len = snprintf(buf, PAGE_SIZE, "%s\n",
672 aac_drivers[dev->cardtype].model);
673 return len;
674 }
675
676 static ssize_t aac_show_vendor(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;
681
682 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
683 char * cp = dev->supplement_adapter_info.AdapterTypeText;
684 while (*cp && *cp != ' ')
685 ++cp;
686 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
687 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
688 dev->supplement_adapter_info.AdapterTypeText);
689 } else
690 len = snprintf(buf, PAGE_SIZE, "%s\n",
691 aac_drivers[dev->cardtype].vname);
692 return len;
693 }
694
695 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
696 char *buf)
697 {
698 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
699 int len, tmp;
700
701 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
702 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
703 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
704 le32_to_cpu(dev->adapter_info.kernelbuild));
705 return len;
706 }
707
708 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
709 char *buf)
710 {
711 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
712 int len, tmp;
713
714 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
715 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
716 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
717 le32_to_cpu(dev->adapter_info.monitorbuild));
718 return len;
719 }
720
721 static ssize_t aac_show_bios_version(struct class_device *class_dev,
722 char *buf)
723 {
724 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
725 int len, tmp;
726
727 tmp = le32_to_cpu(dev->adapter_info.biosrev);
728 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
729 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
730 le32_to_cpu(dev->adapter_info.biosbuild));
731 return len;
732 }
733
734 static ssize_t aac_show_serial_number(struct class_device *class_dev,
735 char *buf)
736 {
737 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
738 int len = 0;
739
740 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
741 len = snprintf(buf, PAGE_SIZE, "%x\n",
742 le32_to_cpu(dev->adapter_info.serial[0]));
743 return len;
744 }
745
746 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
747 {
748 return snprintf(buf, PAGE_SIZE, "%d\n",
749 class_to_shost(class_dev)->max_channel);
750 }
751
752 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
753 {
754 return snprintf(buf, PAGE_SIZE, "%d\n",
755 class_to_shost(class_dev)->max_id);
756 }
757
758
759 static struct class_device_attribute aac_model = {
760 .attr = {
761 .name = "model",
762 .mode = S_IRUGO,
763 },
764 .show = aac_show_model,
765 };
766 static struct class_device_attribute aac_vendor = {
767 .attr = {
768 .name = "vendor",
769 .mode = S_IRUGO,
770 },
771 .show = aac_show_vendor,
772 };
773 static struct class_device_attribute aac_kernel_version = {
774 .attr = {
775 .name = "hba_kernel_version",
776 .mode = S_IRUGO,
777 },
778 .show = aac_show_kernel_version,
779 };
780 static struct class_device_attribute aac_monitor_version = {
781 .attr = {
782 .name = "hba_monitor_version",
783 .mode = S_IRUGO,
784 },
785 .show = aac_show_monitor_version,
786 };
787 static struct class_device_attribute aac_bios_version = {
788 .attr = {
789 .name = "hba_bios_version",
790 .mode = S_IRUGO,
791 },
792 .show = aac_show_bios_version,
793 };
794 static struct class_device_attribute aac_serial_number = {
795 .attr = {
796 .name = "serial_number",
797 .mode = S_IRUGO,
798 },
799 .show = aac_show_serial_number,
800 };
801 static struct class_device_attribute aac_max_channel = {
802 .attr = {
803 .name = "max_channel",
804 .mode = S_IRUGO,
805 },
806 .show = aac_show_max_channel,
807 };
808 static struct class_device_attribute aac_max_id = {
809 .attr = {
810 .name = "max_id",
811 .mode = S_IRUGO,
812 },
813 .show = aac_show_max_id,
814 };
815
816 static struct class_device_attribute *aac_attrs[] = {
817 &aac_model,
818 &aac_vendor,
819 &aac_kernel_version,
820 &aac_monitor_version,
821 &aac_bios_version,
822 &aac_serial_number,
823 &aac_max_channel,
824 &aac_max_id,
825 NULL
826 };
827
828
829 static const struct file_operations aac_cfg_fops = {
830 .owner = THIS_MODULE,
831 .ioctl = aac_cfg_ioctl,
832 #ifdef CONFIG_COMPAT
833 .compat_ioctl = aac_compat_cfg_ioctl,
834 #endif
835 .open = aac_cfg_open,
836 };
837
838 static struct scsi_host_template aac_driver_template = {
839 .module = THIS_MODULE,
840 .name = "AAC",
841 .proc_name = AAC_DRIVERNAME,
842 .info = aac_info,
843 .ioctl = aac_ioctl,
844 #ifdef CONFIG_COMPAT
845 .compat_ioctl = aac_compat_ioctl,
846 #endif
847 .queuecommand = aac_queuecommand,
848 .bios_param = aac_biosparm,
849 .shost_attrs = aac_attrs,
850 .slave_configure = aac_slave_configure,
851 .eh_abort_handler = aac_eh_abort,
852 .eh_host_reset_handler = aac_eh_reset,
853 .can_queue = AAC_NUM_IO_FIB,
854 .this_id = MAXIMUM_NUM_CONTAINERS,
855 .sg_tablesize = 16,
856 .max_sectors = 128,
857 #if (AAC_NUM_IO_FIB > 256)
858 .cmd_per_lun = 256,
859 #else
860 .cmd_per_lun = AAC_NUM_IO_FIB,
861 #endif
862 .use_clustering = ENABLE_CLUSTERING,
863 .emulated = 1,
864 };
865
866 static void __aac_shutdown(struct aac_dev * aac)
867 {
868 kthread_stop(aac->thread);
869 aac_send_shutdown(aac);
870 aac_adapter_disable_int(aac);
871 free_irq(aac->pdev->irq, aac);
872 }
873
874 static int __devinit aac_probe_one(struct pci_dev *pdev,
875 const struct pci_device_id *id)
876 {
877 unsigned index = id->driver_data;
878 struct Scsi_Host *shost;
879 struct aac_dev *aac;
880 struct list_head *insert = &aac_devices;
881 int error = -ENODEV;
882 int unique_id = 0;
883
884 list_for_each_entry(aac, &aac_devices, entry) {
885 if (aac->id > unique_id)
886 break;
887 insert = &aac->entry;
888 unique_id++;
889 }
890
891 error = pci_enable_device(pdev);
892 if (error)
893 goto out;
894 error = -ENODEV;
895
896 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
897 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
898 goto out_disable_pdev;
899 /*
900 * If the quirk31 bit is set, the adapter needs adapter
901 * to driver communication memory to be allocated below 2gig
902 */
903 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
904 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
905 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
906 goto out_disable_pdev;
907
908 pci_set_master(pdev);
909
910 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
911 if (!shost)
912 goto out_disable_pdev;
913
914 shost->irq = pdev->irq;
915 shost->base = pci_resource_start(pdev, 0);
916 shost->unique_id = unique_id;
917 shost->max_cmd_len = 16;
918
919 aac = (struct aac_dev *)shost->hostdata;
920 aac->scsi_host_ptr = shost;
921 aac->pdev = pdev;
922 aac->name = aac_driver_template.name;
923 aac->id = shost->unique_id;
924 aac->cardtype = index;
925 INIT_LIST_HEAD(&aac->entry);
926
927 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
928 if (!aac->fibs)
929 goto out_free_host;
930 spin_lock_init(&aac->fib_lock);
931
932 /*
933 * Map in the registers from the adapter.
934 */
935 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
936 if ((*aac_drivers[index].init)(aac))
937 goto out_unmap;
938
939 /*
940 * Start any kernel threads needed
941 */
942 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
943 if (IS_ERR(aac->thread)) {
944 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
945 error = PTR_ERR(aac->thread);
946 goto out_deinit;
947 }
948
949 /*
950 * If we had set a smaller DMA mask earlier, set it to 4gig
951 * now since the adapter can dma data to at least a 4gig
952 * address space.
953 */
954 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
955 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
956 goto out_deinit;
957
958 aac->maximum_num_channels = aac_drivers[index].channels;
959 error = aac_get_adapter_info(aac);
960 if (error < 0)
961 goto out_deinit;
962
963 /*
964 * Lets override negotiations and drop the maximum SG limit to 34
965 */
966 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
967 (aac->scsi_host_ptr->sg_tablesize > 34)) {
968 aac->scsi_host_ptr->sg_tablesize = 34;
969 aac->scsi_host_ptr->max_sectors
970 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
971 }
972
973 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
974 (aac->scsi_host_ptr->sg_tablesize > 17)) {
975 aac->scsi_host_ptr->sg_tablesize = 17;
976 aac->scsi_host_ptr->max_sectors
977 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
978 }
979
980 /*
981 * Firware printf works only with older firmware.
982 */
983 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
984 aac->printf_enabled = 1;
985 else
986 aac->printf_enabled = 0;
987
988 /*
989 * max channel will be the physical channels plus 1 virtual channel
990 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
991 * physical channels are address by their actual physical number+1
992 */
993 if ((aac->nondasd_support == 1) || expose_physicals)
994 shost->max_channel = aac->maximum_num_channels;
995 else
996 shost->max_channel = 0;
997
998 aac_get_config_status(aac, 0);
999 aac_get_containers(aac);
1000 list_add(&aac->entry, insert);
1001
1002 shost->max_id = aac->maximum_num_containers;
1003 if (shost->max_id < aac->maximum_num_physicals)
1004 shost->max_id = aac->maximum_num_physicals;
1005 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1006 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1007 else
1008 shost->this_id = shost->max_id;
1009
1010 /*
1011 * dmb - we may need to move the setting of these parms somewhere else once
1012 * we get a fib that can report the actual numbers
1013 */
1014 shost->max_lun = AAC_MAX_LUN;
1015
1016 pci_set_drvdata(pdev, shost);
1017
1018 error = scsi_add_host(shost, &pdev->dev);
1019 if (error)
1020 goto out_deinit;
1021 scsi_scan_host(shost);
1022
1023 return 0;
1024
1025 out_deinit:
1026 __aac_shutdown(aac);
1027 out_unmap:
1028 aac_fib_map_free(aac);
1029 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
1030 kfree(aac->queues);
1031 aac_adapter_ioremap(aac, 0);
1032 kfree(aac->fibs);
1033 kfree(aac->fsa_dev);
1034 out_free_host:
1035 scsi_host_put(shost);
1036 out_disable_pdev:
1037 pci_disable_device(pdev);
1038 out:
1039 return error;
1040 }
1041
1042 static void aac_shutdown(struct pci_dev *dev)
1043 {
1044 struct Scsi_Host *shost = pci_get_drvdata(dev);
1045 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1046 scsi_block_requests(shost);
1047 __aac_shutdown(aac);
1048 }
1049
1050 static void __devexit aac_remove_one(struct pci_dev *pdev)
1051 {
1052 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1053 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1054
1055 scsi_remove_host(shost);
1056
1057 __aac_shutdown(aac);
1058 aac_fib_map_free(aac);
1059 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1060 aac->comm_phys);
1061 kfree(aac->queues);
1062
1063 aac_adapter_ioremap(aac, 0);
1064
1065 kfree(aac->fibs);
1066 kfree(aac->fsa_dev);
1067
1068 list_del(&aac->entry);
1069 scsi_host_put(shost);
1070 pci_disable_device(pdev);
1071 if (list_empty(&aac_devices)) {
1072 unregister_chrdev(aac_cfg_major, "aac");
1073 aac_cfg_major = -1;
1074 }
1075 }
1076
1077 static struct pci_driver aac_pci_driver = {
1078 .name = AAC_DRIVERNAME,
1079 .id_table = aac_pci_tbl,
1080 .probe = aac_probe_one,
1081 .remove = __devexit_p(aac_remove_one),
1082 .shutdown = aac_shutdown,
1083 };
1084
1085 static int __init aac_init(void)
1086 {
1087 int error;
1088
1089 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1090 AAC_DRIVERNAME, aac_driver_version);
1091
1092 error = pci_register_driver(&aac_pci_driver);
1093 if (error < 0)
1094 return error;
1095
1096 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1097 if (aac_cfg_major < 0) {
1098 printk(KERN_WARNING
1099 "aacraid: unable to register \"aac\" device.\n");
1100 }
1101
1102 return 0;
1103 }
1104
1105 static void __exit aac_exit(void)
1106 {
1107 if (aac_cfg_major > -1)
1108 unregister_chrdev(aac_cfg_major, "aac");
1109 pci_unregister_driver(&aac_pci_driver);
1110 }
1111
1112 module_init(aac_init);
1113 module_exit(aac_exit);
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