?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
[PATCH] lockdep: annotate bcsp driver
[linux-2.6/linux-2.6-openrd.git] / drivers / scsi / aacraid / linit.c
blob359e7ddfdb4715329bf79f6b40953df462a72c87
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 }, /* ICP9024R0 (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (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-4005SAS */
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-4000SAS (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-3800SAS (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 ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */
197 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (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-4005SAS ", 1 }, /* ASR-4005SAS */
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-4000SAS ", 1 }, /* ASR-4000SAS (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-3800SAS ", 1 }, /* ASR-3800SAS (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);
linux 2.6 git repository for openrd