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Linux 2.6.17.7
[linux/fpc-iii.git] / drivers / scsi / aacraid / linit.c
blob6ef89c99dd12cf5eabbc241c6fe38f7013a84298
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 /*
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 }, /* ICP9024R0 (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (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 }, /* ICP5085AU (Hurricane) */
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-4005SAS */
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-4000SAS (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-4810SAS (Hurricane */
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 { 0,}
159 };
160 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
161
162 /*
163 * dmb - For now we add the number of channels to this structure.
164 * In the future we should add a fib that reports the number of channels
165 * for the card. At that time we can remove the channels from here
166 */
167 static struct aac_driver_ident aac_drivers[] = {
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
177 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
182 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
183 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
184
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
189 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
190 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
193 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */
195 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */
196 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
197 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
198 { aac_rkt_init, "aacraid", "ICP ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */
199 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
200 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
202 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
203 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
207 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */
214 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
215 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
216 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
220 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */
221
222 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
223 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
224 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
225 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
226 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
227
228 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
229 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
230 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
231 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */
232 };
233
234 /**
235 * aac_queuecommand - queue a SCSI command
236 * @cmd: SCSI command to queue
237 * @done: Function to call on command completion
238 *
239 * Queues a command for execution by the associated Host Adapter.
240 *
241 * TODO: unify with aac_scsi_cmd().
242 */
243
244 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
245 {
246 cmd->scsi_done = done;
247 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
248 return (aac_scsi_cmd(cmd) ? FAILED : 0);
249 }
250
251 /**
252 * aac_info - Returns the host adapter name
253 * @shost: Scsi host to report on
254 *
255 * Returns a static string describing the device in question
256 */
257
258 static const char *aac_info(struct Scsi_Host *shost)
259 {
260 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
261 return aac_drivers[dev->cardtype].name;
262 }
263
264 /**
265 * aac_get_driver_ident
266 * @devtype: index into lookup table
267 *
268 * Returns a pointer to the entry in the driver lookup table.
269 */
270
271 struct aac_driver_ident* aac_get_driver_ident(int devtype)
272 {
273 return &aac_drivers[devtype];
274 }
275
276 /**
277 * aac_biosparm - return BIOS parameters for disk
278 * @sdev: The scsi device corresponding to the disk
279 * @bdev: the block device corresponding to the disk
280 * @capacity: the sector capacity of the disk
281 * @geom: geometry block to fill in
282 *
283 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
284 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
285 * number of cylinders so as not to exceed drive capacity. In order for
286 * disks equal to or larger than 1 GB to be addressable by the BIOS
287 * without exceeding the BIOS limitation of 1024 cylinders, Extended
288 * Translation should be enabled. With Extended Translation enabled,
289 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
290 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
291 * are given a disk geometry of 255 heads and 63 sectors. However, if
292 * the BIOS detects that the Extended Translation setting does not match
293 * the geometry in the partition table, then the translation inferred
294 * from the partition table will be used by the BIOS, and a warning may
295 * be displayed.
296 */
297
298 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
299 sector_t capacity, int *geom)
300 {
301 struct diskparm *param = (struct diskparm *)geom;
302 unsigned char *buf;
303
304 dprintk((KERN_DEBUG "aac_biosparm.\n"));
305
306 /*
307 * Assuming extended translation is enabled - #REVISIT#
308 */
309 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
310 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
311 param->heads = 255;
312 param->sectors = 63;
313 } else {
314 param->heads = 128;
315 param->sectors = 32;
316 }
317 } else {
318 param->heads = 64;
319 param->sectors = 32;
320 }
321
322 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
323
324 /*
325 * Read the first 1024 bytes from the disk device, if the boot
326 * sector partition table is valid, search for a partition table
327 * entry whose end_head matches one of the standard geometry
328 * translations ( 64/32, 128/32, 255/63 ).
329 */
330 buf = scsi_bios_ptable(bdev);
331 if (!buf)
332 return 0;
333 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
334 struct partition *first = (struct partition * )buf;
335 struct partition *entry = first;
336 int saved_cylinders = param->cylinders;
337 int num;
338 unsigned char end_head, end_sec;
339
340 for(num = 0; num < 4; num++) {
341 end_head = entry->end_head;
342 end_sec = entry->end_sector & 0x3f;
343
344 if(end_head == 63) {
345 param->heads = 64;
346 param->sectors = 32;
347 break;
348 } else if(end_head == 127) {
349 param->heads = 128;
350 param->sectors = 32;
351 break;
352 } else if(end_head == 254) {
353 param->heads = 255;
354 param->sectors = 63;
355 break;
356 }
357 entry++;
358 }
359
360 if (num == 4) {
361 end_head = first->end_head;
362 end_sec = first->end_sector & 0x3f;
363 }
364
365 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
366 if (num < 4 && end_sec == param->sectors) {
367 if (param->cylinders != saved_cylinders)
368 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
369 param->heads, param->sectors, num));
370 } else if (end_head > 0 || end_sec > 0) {
371 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
372 end_head + 1, end_sec, num));
373 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
374 param->heads, param->sectors));
375 }
376 }
377 kfree(buf);
378 return 0;
379 }
380
381 /**
382 * aac_slave_configure - compute queue depths
383 * @sdev: SCSI device we are considering
384 *
385 * Selects queue depths for each target device based on the host adapter's
386 * total capacity and the queue depth supported by the target device.
387 * A queue depth of one automatically disables tagged queueing.
388 */
389
390 static int aac_slave_configure(struct scsi_device *sdev)
391 {
392 if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
393 sdev->skip_ms_page_8 = 1;
394 sdev->skip_ms_page_3f = 1;
395 }
396 if ((sdev->type == TYPE_DISK) &&
397 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
398 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
399 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
400 sdev->no_uld_attach = 1;
401 }
402 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
403 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
404 struct scsi_device * dev;
405 struct Scsi_Host *host = sdev->host;
406 unsigned num_lsu = 0;
407 unsigned num_one = 0;
408 unsigned depth;
409
410 __shost_for_each_device(dev, host) {
411 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
412 (sdev_channel(dev) == CONTAINER_CHANNEL))
413 ++num_lsu;
414 else
415 ++num_one;
416 }
417 if (num_lsu == 0)
418 ++num_lsu;
419 depth = (host->can_queue - num_one) / num_lsu;
420 if (depth > 256)
421 depth = 256;
422 else if (depth < 2)
423 depth = 2;
424 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
425 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
426 AAC_OPT_NEW_COMM))
427 blk_queue_max_segment_size(sdev->request_queue, 65536);
428 } else
429 scsi_adjust_queue_depth(sdev, 0, 1);
430
431 return 0;
432 }
433
434 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
435 {
436 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
437 return aac_do_ioctl(dev, cmd, arg);
438 }
439
440 /*
441 * aac_eh_reset - Reset command handling
442 * @scsi_cmd: SCSI command block causing the reset
443 *
444 */
445 static int aac_eh_reset(struct scsi_cmnd* cmd)
446 {
447 struct scsi_device * dev = cmd->device;
448 struct Scsi_Host * host = dev->host;
449 struct scsi_cmnd * command;
450 int count;
451 struct aac_dev * aac;
452 unsigned long flags;
453
454 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
455 AAC_DRIVERNAME);
456
457
458 spin_lock_irq(host->host_lock);
459
460 aac = (struct aac_dev *)host->hostdata;
461 if (aac_adapter_check_health(aac)) {
462 printk(KERN_ERR "%s: Host adapter appears dead\n",
463 AAC_DRIVERNAME);
464 spin_unlock_irq(host->host_lock);
465 return -ENODEV;
466 }
467 /*
468 * Wait for all commands to complete to this specific
469 * target (block maximum 60 seconds).
470 */
471 for (count = 60; count; --count) {
472 int active = 0;
473 __shost_for_each_device(dev, host) {
474 spin_lock_irqsave(&dev->list_lock, flags);
475 list_for_each_entry(command, &dev->cmd_list, list) {
476 if ((command != cmd) &&
477 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
478 active++;
479 break;
480 }
481 }
482 spin_unlock_irqrestore(&dev->list_lock, flags);
483 if (active)
484 break;
485
486 }
487 /*
488 * We can exit If all the commands are complete
489 */
490 spin_unlock_irq(host->host_lock);
491 if (active == 0)
492 return SUCCESS;
493 ssleep(1);
494 spin_lock_irq(host->host_lock);
495 }
496 spin_unlock_irq(host->host_lock);
497 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
498 return -ETIMEDOUT;
499 }
500
501 /**
502 * aac_cfg_open - open a configuration file
503 * @inode: inode being opened
504 * @file: file handle attached
505 *
506 * Called when the configuration device is opened. Does the needed
507 * set up on the handle and then returns
508 *
509 * Bugs: This needs extending to check a given adapter is present
510 * so we can support hot plugging, and to ref count adapters.
511 */
512
513 static int aac_cfg_open(struct inode *inode, struct file *file)
514 {
515 struct aac_dev *aac;
516 unsigned minor_number = iminor(inode);
517 int err = -ENODEV;
518
519 list_for_each_entry(aac, &aac_devices, entry) {
520 if (aac->id == minor_number) {
521 file->private_data = aac;
522 err = 0;
523 break;
524 }
525 }
526
527 return err;
528 }
529
530 /**
531 * aac_cfg_ioctl - AAC configuration request
532 * @inode: inode of device
533 * @file: file handle
534 * @cmd: ioctl command code
535 * @arg: argument
536 *
537 * Handles a configuration ioctl. Currently this involves wrapping it
538 * up and feeding it into the nasty windowsalike glue layer.
539 *
540 * Bugs: Needs locking against parallel ioctls lower down
541 * Bugs: Needs to handle hot plugging
542 */
543
544 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
545 unsigned int cmd, unsigned long arg)
546 {
547 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
548 }
549
550 #ifdef CONFIG_COMPAT
551 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
552 {
553 long ret;
554 lock_kernel();
555 switch (cmd) {
556 case FSACTL_MINIPORT_REV_CHECK:
557 case FSACTL_SENDFIB:
558 case FSACTL_OPEN_GET_ADAPTER_FIB:
559 case FSACTL_CLOSE_GET_ADAPTER_FIB:
560 case FSACTL_SEND_RAW_SRB:
561 case FSACTL_GET_PCI_INFO:
562 case FSACTL_QUERY_DISK:
563 case FSACTL_DELETE_DISK:
564 case FSACTL_FORCE_DELETE_DISK:
565 case FSACTL_GET_CONTAINERS:
566 case FSACTL_SEND_LARGE_FIB:
567 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
568 break;
569
570 case FSACTL_GET_NEXT_ADAPTER_FIB: {
571 struct fib_ioctl __user *f;
572
573 f = compat_alloc_user_space(sizeof(*f));
574 ret = 0;
575 if (clear_user(f, sizeof(*f)) != sizeof(*f))
576 ret = -EFAULT;
577 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
578 ret = -EFAULT;
579 if (!ret)
580 ret = aac_do_ioctl(dev, cmd, f);
581 break;
582 }
583
584 default:
585 ret = -ENOIOCTLCMD;
586 break;
587 }
588 unlock_kernel();
589 return ret;
590 }
591
592 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
593 {
594 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
595 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
596 }
597
598 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
599 {
600 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
601 }
602 #endif
603
604 static ssize_t aac_show_model(struct class_device *class_dev,
605 char *buf)
606 {
607 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
608 int len;
609
610 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
611 char * cp = dev->supplement_adapter_info.AdapterTypeText;
612 while (*cp && *cp != ' ')
613 ++cp;
614 while (*cp == ' ')
615 ++cp;
616 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
617 } else
618 len = snprintf(buf, PAGE_SIZE, "%s\n",
619 aac_drivers[dev->cardtype].model);
620 return len;
621 }
622
623 static ssize_t aac_show_vendor(struct class_device *class_dev,
624 char *buf)
625 {
626 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
627 int len;
628
629 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
630 char * cp = dev->supplement_adapter_info.AdapterTypeText;
631 while (*cp && *cp != ' ')
632 ++cp;
633 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
634 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
635 dev->supplement_adapter_info.AdapterTypeText);
636 } else
637 len = snprintf(buf, PAGE_SIZE, "%s\n",
638 aac_drivers[dev->cardtype].vname);
639 return len;
640 }
641
642 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
643 char *buf)
644 {
645 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
646 int len, tmp;
647
648 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
649 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
650 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
651 le32_to_cpu(dev->adapter_info.kernelbuild));
652 return len;
653 }
654
655 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
656 char *buf)
657 {
658 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
659 int len, tmp;
660
661 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
662 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
663 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
664 le32_to_cpu(dev->adapter_info.monitorbuild));
665 return len;
666 }
667
668 static ssize_t aac_show_bios_version(struct class_device *class_dev,
669 char *buf)
670 {
671 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
672 int len, tmp;
673
674 tmp = le32_to_cpu(dev->adapter_info.biosrev);
675 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
676 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
677 le32_to_cpu(dev->adapter_info.biosbuild));
678 return len;
679 }
680
681 static ssize_t aac_show_serial_number(struct class_device *class_dev,
682 char *buf)
683 {
684 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
685 int len = 0;
686
687 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
688 len = snprintf(buf, PAGE_SIZE, "%x\n",
689 le32_to_cpu(dev->adapter_info.serial[0]));
690 return len;
691 }
692
693 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
694 {
695 return snprintf(buf, PAGE_SIZE, "%d\n",
696 class_to_shost(class_dev)->max_channel);
697 }
698
699 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
700 {
701 return snprintf(buf, PAGE_SIZE, "%d\n",
702 class_to_shost(class_dev)->max_id);
703 }
704
705
706 static struct class_device_attribute aac_model = {
707 .attr = {
708 .name = "model",
709 .mode = S_IRUGO,
710 },
711 .show = aac_show_model,
712 };
713 static struct class_device_attribute aac_vendor = {
714 .attr = {
715 .name = "vendor",
716 .mode = S_IRUGO,
717 },
718 .show = aac_show_vendor,
719 };
720 static struct class_device_attribute aac_kernel_version = {
721 .attr = {
722 .name = "hba_kernel_version",
723 .mode = S_IRUGO,
724 },
725 .show = aac_show_kernel_version,
726 };
727 static struct class_device_attribute aac_monitor_version = {
728 .attr = {
729 .name = "hba_monitor_version",
730 .mode = S_IRUGO,
731 },
732 .show = aac_show_monitor_version,
733 };
734 static struct class_device_attribute aac_bios_version = {
735 .attr = {
736 .name = "hba_bios_version",
737 .mode = S_IRUGO,
738 },
739 .show = aac_show_bios_version,
740 };
741 static struct class_device_attribute aac_serial_number = {
742 .attr = {
743 .name = "serial_number",
744 .mode = S_IRUGO,
745 },
746 .show = aac_show_serial_number,
747 };
748 static struct class_device_attribute aac_max_channel = {
749 .attr = {
750 .name = "max_channel",
751 .mode = S_IRUGO,
752 },
753 .show = aac_show_max_channel,
754 };
755 static struct class_device_attribute aac_max_id = {
756 .attr = {
757 .name = "max_id",
758 .mode = S_IRUGO,
759 },
760 .show = aac_show_max_id,
761 };
762
763 static struct class_device_attribute *aac_attrs[] = {
764 &aac_model,
765 &aac_vendor,
766 &aac_kernel_version,
767 &aac_monitor_version,
768 &aac_bios_version,
769 &aac_serial_number,
770 &aac_max_channel,
771 &aac_max_id,
772 NULL
773 };
774
775
776 static struct file_operations aac_cfg_fops = {
777 .owner = THIS_MODULE,
778 .ioctl = aac_cfg_ioctl,
779 #ifdef CONFIG_COMPAT
780 .compat_ioctl = aac_compat_cfg_ioctl,
781 #endif
782 .open = aac_cfg_open,
783 };
784
785 static struct scsi_host_template aac_driver_template = {
786 .module = THIS_MODULE,
787 .name = "AAC",
788 .proc_name = AAC_DRIVERNAME,
789 .info = aac_info,
790 .ioctl = aac_ioctl,
791 #ifdef CONFIG_COMPAT
792 .compat_ioctl = aac_compat_ioctl,
793 #endif
794 .queuecommand = aac_queuecommand,
795 .bios_param = aac_biosparm,
796 .shost_attrs = aac_attrs,
797 .slave_configure = aac_slave_configure,
798 .eh_host_reset_handler = aac_eh_reset,
799 .can_queue = AAC_NUM_IO_FIB,
800 .this_id = MAXIMUM_NUM_CONTAINERS,
801 .sg_tablesize = 16,
802 .max_sectors = 128,
803 #if (AAC_NUM_IO_FIB > 256)
804 .cmd_per_lun = 256,
805 #else
806 .cmd_per_lun = AAC_NUM_IO_FIB,
807 #endif
808 .use_clustering = ENABLE_CLUSTERING,
809 .emulated = 1,
810 };
811
812
813 static int __devinit aac_probe_one(struct pci_dev *pdev,
814 const struct pci_device_id *id)
815 {
816 unsigned index = id->driver_data;
817 struct Scsi_Host *shost;
818 struct aac_dev *aac;
819 struct list_head *insert = &aac_devices;
820 int error = -ENODEV;
821 int unique_id = 0;
822
823 list_for_each_entry(aac, &aac_devices, entry) {
824 if (aac->id > unique_id)
825 break;
826 insert = &aac->entry;
827 unique_id++;
828 }
829
830 error = pci_enable_device(pdev);
831 if (error)
832 goto out;
833 error = -ENODEV;
834
835 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
836 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
837 goto out_disable_pdev;
838 /*
839 * If the quirk31 bit is set, the adapter needs adapter
840 * to driver communication memory to be allocated below 2gig
841 */
842 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
843 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
844 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
845 goto out_disable_pdev;
846
847 pci_set_master(pdev);
848
849 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
850 if (!shost)
851 goto out_disable_pdev;
852
853 shost->irq = pdev->irq;
854 shost->base = pci_resource_start(pdev, 0);
855 shost->unique_id = unique_id;
856 shost->max_cmd_len = 16;
857
858 aac = (struct aac_dev *)shost->hostdata;
859 aac->scsi_host_ptr = shost;
860 aac->pdev = pdev;
861 aac->name = aac_driver_template.name;
862 aac->id = shost->unique_id;
863 aac->cardtype = index;
864 INIT_LIST_HEAD(&aac->entry);
865
866 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
867 if (!aac->fibs)
868 goto out_free_host;
869 spin_lock_init(&aac->fib_lock);
870
871 /*
872 * Map in the registers from the adapter.
873 */
874 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
875 if ((aac->regs.sa = ioremap(
876 (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE))
877 == NULL) {
878 printk(KERN_WARNING "%s: unable to map adapter.\n",
879 AAC_DRIVERNAME);
880 goto out_free_fibs;
881 }
882 if ((*aac_drivers[index].init)(aac))
883 goto out_unmap;
884
885 /*
886 * Start any kernel threads needed
887 */
888 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
889 if (IS_ERR(aac->thread)) {
890 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
891 error = PTR_ERR(aac->thread);
892 goto out_deinit;
893 }
894
895 /*
896 * If we had set a smaller DMA mask earlier, set it to 4gig
897 * now since the adapter can dma data to at least a 4gig
898 * address space.
899 */
900 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
901 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
902 goto out_deinit;
903
904 aac->maximum_num_channels = aac_drivers[index].channels;
905 error = aac_get_adapter_info(aac);
906 if (error < 0)
907 goto out_deinit;
908
909 /*
910 * Lets override negotiations and drop the maximum SG limit to 34
911 */
912 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
913 (aac->scsi_host_ptr->sg_tablesize > 34)) {
914 aac->scsi_host_ptr->sg_tablesize = 34;
915 aac->scsi_host_ptr->max_sectors
916 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
917 }
918
919 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
920 (aac->scsi_host_ptr->sg_tablesize > 17)) {
921 aac->scsi_host_ptr->sg_tablesize = 17;
922 aac->scsi_host_ptr->max_sectors
923 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
924 }
925
926 /*
927 * Firware printf works only with older firmware.
928 */
929 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
930 aac->printf_enabled = 1;
931 else
932 aac->printf_enabled = 0;
933
934 /*
935 * max channel will be the physical channels plus 1 virtual channel
936 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
937 * physical channels are address by their actual physical number+1
938 */
939 if (aac->nondasd_support == 1)
940 shost->max_channel = aac->maximum_num_channels;
941 else
942 shost->max_channel = 0;
943
944 aac_get_config_status(aac);
945 aac_get_containers(aac);
946 list_add(&aac->entry, insert);
947
948 shost->max_id = aac->maximum_num_containers;
949 if (shost->max_id < aac->maximum_num_physicals)
950 shost->max_id = aac->maximum_num_physicals;
951 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
952 shost->max_id = MAXIMUM_NUM_CONTAINERS;
953 else
954 shost->this_id = shost->max_id;
955
956 /*
957 * dmb - we may need to move the setting of these parms somewhere else once
958 * we get a fib that can report the actual numbers
959 */
960 shost->max_lun = AAC_MAX_LUN;
961
962 pci_set_drvdata(pdev, shost);
963
964 error = scsi_add_host(shost, &pdev->dev);
965 if (error)
966 goto out_deinit;
967 scsi_scan_host(shost);
968
969 return 0;
970
971 out_deinit:
972 kthread_stop(aac->thread);
973 aac_send_shutdown(aac);
974 aac_adapter_disable_int(aac);
975 free_irq(pdev->irq, aac);
976 out_unmap:
977 aac_fib_map_free(aac);
978 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
979 kfree(aac->queues);
980 iounmap(aac->regs.sa);
981 out_free_fibs:
982 kfree(aac->fibs);
983 kfree(aac->fsa_dev);
984 out_free_host:
985 scsi_host_put(shost);
986 out_disable_pdev:
987 pci_disable_device(pdev);
988 out:
989 return error;
990 }
991
992 static void aac_shutdown(struct pci_dev *dev)
993 {
994 struct Scsi_Host *shost = pci_get_drvdata(dev);
995 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
996 aac_send_shutdown(aac);
997 }
998
999 static void __devexit aac_remove_one(struct pci_dev *pdev)
1000 {
1001 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1002 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1003
1004 scsi_remove_host(shost);
1005
1006 kthread_stop(aac->thread);
1007
1008 aac_send_shutdown(aac);
1009 aac_adapter_disable_int(aac);
1010 aac_fib_map_free(aac);
1011 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1012 aac->comm_phys);
1013 kfree(aac->queues);
1014
1015 free_irq(pdev->irq, aac);
1016 iounmap(aac->regs.sa);
1017
1018 kfree(aac->fibs);
1019 kfree(aac->fsa_dev);
1020
1021 list_del(&aac->entry);
1022 scsi_host_put(shost);
1023 pci_disable_device(pdev);
1024 }
1025
1026 static struct pci_driver aac_pci_driver = {
1027 .name = AAC_DRIVERNAME,
1028 .id_table = aac_pci_tbl,
1029 .probe = aac_probe_one,
1030 .remove = __devexit_p(aac_remove_one),
1031 .shutdown = aac_shutdown,
1032 };
1033
1034 static int __init aac_init(void)
1035 {
1036 int error;
1037
1038 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1039 AAC_DRIVERNAME, aac_driver_version);
1040
1041 error = pci_register_driver(&aac_pci_driver);
1042 if (error < 0)
1043 return error;
1044
1045 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1046 if (aac_cfg_major < 0) {
1047 printk(KERN_WARNING
1048 "aacraid: unable to register \"aac\" device.\n");
1049 }
1050
1051 return 0;
1052 }
1053
1054 static void __exit aac_exit(void)
1055 {
1056 if (aac_cfg_major > -1)
1057 unregister_chrdev(aac_cfg_major, "aac");
1058 pci_unregister_driver(&aac_pci_driver);
1059 }
1060
1061 module_init(aac_init);
1062 module_exit(aac_exit);
Linux with added FPC-III support