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of: MSI: Simplify irqdomain lookup
[linux/fpc-iii.git] / drivers / scsi / aacraid / linit.c
blob3b6e5c67e853d96aeafeee16859d19bfa3731a5b
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * Module Name:
26 * linit.c
27 *
28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
29 */
30
31
32 #include <linux/compat.h>
33 #include <linux/blkdev.h>
34 #include <linux/completion.h>
35 #include <linux/init.h>
36 #include <linux/interrupt.h>
37 #include <linux/kernel.h>
38 #include <linux/module.h>
39 #include <linux/moduleparam.h>
40 #include <linux/pci.h>
41 #include <linux/pci-aspm.h>
42 #include <linux/slab.h>
43 #include <linux/mutex.h>
44 #include <linux/spinlock.h>
45 #include <linux/syscalls.h>
46 #include <linux/delay.h>
47 #include <linux/kthread.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 "1.2-1"
60 #ifndef AAC_DRIVER_BRANCH
61 #define AAC_DRIVER_BRANCH ""
62 #endif
63 #define AAC_DRIVERNAME "aacraid"
64
65 #ifdef AAC_DRIVER_BUILD
66 #define _str(x) #x
67 #define str(x) _str(x)
68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
69 #else
70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
71 #endif
72
73 MODULE_AUTHOR("Red Hat Inc and Adaptec");
74 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
75 "Adaptec Advanced Raid Products, "
76 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
77 MODULE_LICENSE("GPL");
78 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
79
80 static DEFINE_MUTEX(aac_mutex);
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 const 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 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
160 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
161 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
162 { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
163 { 0,}
164 };
165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
166
167 /*
168 * dmb - For now we add the number of channels to this structure.
169 * In the future we should add a fib that reports the number of channels
170 * for the card. At that time we can remove the channels from here
171 */
172 static struct aac_driver_ident aac_drivers[] = {
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
187 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
189
190 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
204 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
206 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
207 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
208 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
212 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
219 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
220 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
225 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
226
227 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
228 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
231 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
232
233 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
234 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
235 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
236 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
237 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
238 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
239 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */
242 };
243
244 /**
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
248 *
249 * Queues a command for execution by the associated Host Adapter.
250 *
251 * TODO: unify with aac_scsi_cmd().
252 */
253
254 static int aac_queuecommand(struct Scsi_Host *shost,
255 struct scsi_cmnd *cmd)
256 {
257 int r = 0;
258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
260 return r;
261 }
262
263 /**
264 * aac_info - Returns the host adapter name
265 * @shost: Scsi host to report on
266 *
267 * Returns a static string describing the device in question
268 */
269
270 static const char *aac_info(struct Scsi_Host *shost)
271 {
272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273 return aac_drivers[dev->cardtype].name;
274 }
275
276 /**
277 * aac_get_driver_ident
278 * @devtype: index into lookup table
279 *
280 * Returns a pointer to the entry in the driver lookup table.
281 */
282
283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
284 {
285 return &aac_drivers[devtype];
286 }
287
288 /**
289 * aac_biosparm - return BIOS parameters for disk
290 * @sdev: The scsi device corresponding to the disk
291 * @bdev: the block device corresponding to the disk
292 * @capacity: the sector capacity of the disk
293 * @geom: geometry block to fill in
294 *
295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
297 * number of cylinders so as not to exceed drive capacity. In order for
298 * disks equal to or larger than 1 GB to be addressable by the BIOS
299 * without exceeding the BIOS limitation of 1024 cylinders, Extended
300 * Translation should be enabled. With Extended Translation enabled,
301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303 * are given a disk geometry of 255 heads and 63 sectors. However, if
304 * the BIOS detects that the Extended Translation setting does not match
305 * the geometry in the partition table, then the translation inferred
306 * from the partition table will be used by the BIOS, and a warning may
307 * be displayed.
308 */
309
310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311 sector_t capacity, int *geom)
312 {
313 struct diskparm *param = (struct diskparm *)geom;
314 unsigned char *buf;
315
316 dprintk((KERN_DEBUG "aac_biosparm.\n"));
317
318 /*
319 * Assuming extended translation is enabled - #REVISIT#
320 */
321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
323 param->heads = 255;
324 param->sectors = 63;
325 } else {
326 param->heads = 128;
327 param->sectors = 32;
328 }
329 } else {
330 param->heads = 64;
331 param->sectors = 32;
332 }
333
334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335
336 /*
337 * Read the first 1024 bytes from the disk device, if the boot
338 * sector partition table is valid, search for a partition table
339 * entry whose end_head matches one of the standard geometry
340 * translations ( 64/32, 128/32, 255/63 ).
341 */
342 buf = scsi_bios_ptable(bdev);
343 if (!buf)
344 return 0;
345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346 struct partition *first = (struct partition * )buf;
347 struct partition *entry = first;
348 int saved_cylinders = param->cylinders;
349 int num;
350 unsigned char end_head, end_sec;
351
352 for(num = 0; num < 4; num++) {
353 end_head = entry->end_head;
354 end_sec = entry->end_sector & 0x3f;
355
356 if(end_head == 63) {
357 param->heads = 64;
358 param->sectors = 32;
359 break;
360 } else if(end_head == 127) {
361 param->heads = 128;
362 param->sectors = 32;
363 break;
364 } else if(end_head == 254) {
365 param->heads = 255;
366 param->sectors = 63;
367 break;
368 }
369 entry++;
370 }
371
372 if (num == 4) {
373 end_head = first->end_head;
374 end_sec = first->end_sector & 0x3f;
375 }
376
377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378 if (num < 4 && end_sec == param->sectors) {
379 if (param->cylinders != saved_cylinders)
380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381 param->heads, param->sectors, num));
382 } else if (end_head > 0 || end_sec > 0) {
383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384 end_head + 1, end_sec, num));
385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386 param->heads, param->sectors));
387 }
388 }
389 kfree(buf);
390 return 0;
391 }
392
393 /**
394 * aac_slave_configure - compute queue depths
395 * @sdev: SCSI device we are considering
396 *
397 * Selects queue depths for each target device based on the host adapter's
398 * total capacity and the queue depth supported by the target device.
399 * A queue depth of one automatically disables tagged queueing.
400 */
401
402 static int aac_slave_configure(struct scsi_device *sdev)
403 {
404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
405 if (aac->jbod && (sdev->type == TYPE_DISK))
406 sdev->removable = 1;
407 if ((sdev->type == TYPE_DISK) &&
408 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
409 (!aac->jbod || sdev->inq_periph_qual) &&
410 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
411 if (expose_physicals == 0)
412 return -ENXIO;
413 if (expose_physicals < 0)
414 sdev->no_uld_attach = 1;
415 }
416 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
417 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
418 !sdev->no_uld_attach) {
419 struct scsi_device * dev;
420 struct Scsi_Host *host = sdev->host;
421 unsigned num_lsu = 0;
422 unsigned num_one = 0;
423 unsigned depth;
424 unsigned cid;
425
426 /*
427 * Firmware has an individual device recovery time typically
428 * of 35 seconds, give us a margin.
429 */
430 if (sdev->request_queue->rq_timeout < (45 * HZ))
431 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
432 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
433 if (aac->fsa_dev[cid].valid)
434 ++num_lsu;
435 __shost_for_each_device(dev, host) {
436 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
437 (!aac->raid_scsi_mode ||
438 (sdev_channel(sdev) != 2)) &&
439 !dev->no_uld_attach) {
440 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
441 || !aac->fsa_dev[sdev_id(dev)].valid)
442 ++num_lsu;
443 } else
444 ++num_one;
445 }
446 if (num_lsu == 0)
447 ++num_lsu;
448 depth = (host->can_queue - num_one) / num_lsu;
449 if (depth > 256)
450 depth = 256;
451 else if (depth < 2)
452 depth = 2;
453 scsi_change_queue_depth(sdev, depth);
454 } else
455 scsi_change_queue_depth(sdev, 1);
456
457 return 0;
458 }
459
460 /**
461 * aac_change_queue_depth - alter queue depths
462 * @sdev: SCSI device we are considering
463 * @depth: desired queue depth
464 *
465 * Alters queue depths for target device based on the host adapter's
466 * total capacity and the queue depth supported by the target device.
467 */
468
469 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
470 {
471 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
472 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
473 struct scsi_device * dev;
474 struct Scsi_Host *host = sdev->host;
475 unsigned num = 0;
476
477 __shost_for_each_device(dev, host) {
478 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
479 (sdev_channel(dev) == CONTAINER_CHANNEL))
480 ++num;
481 ++num;
482 }
483 if (num >= host->can_queue)
484 num = host->can_queue - 1;
485 if (depth > (host->can_queue - num))
486 depth = host->can_queue - num;
487 if (depth > 256)
488 depth = 256;
489 else if (depth < 2)
490 depth = 2;
491 return scsi_change_queue_depth(sdev, depth);
492 }
493
494 return scsi_change_queue_depth(sdev, 1);
495 }
496
497 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
498 {
499 struct scsi_device *sdev = to_scsi_device(dev);
500 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
501 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
502 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
503 ? "Hidden\n" :
504 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
505 return snprintf(buf, PAGE_SIZE, "%s\n",
506 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
507 }
508
509 static struct device_attribute aac_raid_level_attr = {
510 .attr = {
511 .name = "level",
512 .mode = S_IRUGO,
513 },
514 .show = aac_show_raid_level
515 };
516
517 static struct device_attribute *aac_dev_attrs[] = {
518 &aac_raid_level_attr,
519 NULL,
520 };
521
522 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
523 {
524 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
525 if (!capable(CAP_SYS_RAWIO))
526 return -EPERM;
527 return aac_do_ioctl(dev, cmd, arg);
528 }
529
530 static int aac_eh_abort(struct scsi_cmnd* cmd)
531 {
532 struct scsi_device * dev = cmd->device;
533 struct Scsi_Host * host = dev->host;
534 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
535 int count;
536 int ret = FAILED;
537
538 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
539 AAC_DRIVERNAME,
540 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
541 switch (cmd->cmnd[0]) {
542 case SERVICE_ACTION_IN_16:
543 if (!(aac->raw_io_interface) ||
544 !(aac->raw_io_64) ||
545 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
546 break;
547 case INQUIRY:
548 case READ_CAPACITY:
549 /* Mark associated FIB to not complete, eh handler does this */
550 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
551 struct fib * fib = &aac->fibs[count];
552 if (fib->hw_fib_va->header.XferState &&
553 (fib->flags & FIB_CONTEXT_FLAG) &&
554 (fib->callback_data == cmd)) {
555 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
556 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
557 ret = SUCCESS;
558 }
559 }
560 break;
561 case TEST_UNIT_READY:
562 /* Mark associated FIB to not complete, eh handler does this */
563 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
564 struct scsi_cmnd * command;
565 struct fib * fib = &aac->fibs[count];
566 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
567 (fib->flags & FIB_CONTEXT_FLAG) &&
568 ((command = fib->callback_data)) &&
569 (command->device == cmd->device)) {
570 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
571 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
572 if (command == cmd)
573 ret = SUCCESS;
574 }
575 }
576 }
577 return ret;
578 }
579
580 /*
581 * aac_eh_reset - Reset command handling
582 * @scsi_cmd: SCSI command block causing the reset
583 *
584 */
585 static int aac_eh_reset(struct scsi_cmnd* cmd)
586 {
587 struct scsi_device * dev = cmd->device;
588 struct Scsi_Host * host = dev->host;
589 struct scsi_cmnd * command;
590 int count;
591 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
592 unsigned long flags;
593
594 /* Mark the associated FIB to not complete, eh handler does this */
595 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
596 struct fib * fib = &aac->fibs[count];
597 if (fib->hw_fib_va->header.XferState &&
598 (fib->flags & FIB_CONTEXT_FLAG) &&
599 (fib->callback_data == cmd)) {
600 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
601 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
602 }
603 }
604 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
605 AAC_DRIVERNAME);
606
607 if ((count = aac_check_health(aac)))
608 return count;
609 /*
610 * Wait for all commands to complete to this specific
611 * target (block maximum 60 seconds).
612 */
613 for (count = 60; count; --count) {
614 int active = aac->in_reset;
615
616 if (active == 0)
617 __shost_for_each_device(dev, host) {
618 spin_lock_irqsave(&dev->list_lock, flags);
619 list_for_each_entry(command, &dev->cmd_list, list) {
620 if ((command != cmd) &&
621 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
622 active++;
623 break;
624 }
625 }
626 spin_unlock_irqrestore(&dev->list_lock, flags);
627 if (active)
628 break;
629
630 }
631 /*
632 * We can exit If all the commands are complete
633 */
634 if (active == 0)
635 return SUCCESS;
636 ssleep(1);
637 }
638 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
639 /*
640 * This adapter needs a blind reset, only do so for Adapters that
641 * support a register, instead of a commanded, reset.
642 */
643 if (((aac->supplement_adapter_info.SupportedOptions2 &
644 AAC_OPTION_MU_RESET) ||
645 (aac->supplement_adapter_info.SupportedOptions2 &
646 AAC_OPTION_DOORBELL_RESET)) &&
647 aac_check_reset &&
648 ((aac_check_reset != 1) ||
649 !(aac->supplement_adapter_info.SupportedOptions2 &
650 AAC_OPTION_IGNORE_RESET)))
651 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
652 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
653 }
654
655 /**
656 * aac_cfg_open - open a configuration file
657 * @inode: inode being opened
658 * @file: file handle attached
659 *
660 * Called when the configuration device is opened. Does the needed
661 * set up on the handle and then returns
662 *
663 * Bugs: This needs extending to check a given adapter is present
664 * so we can support hot plugging, and to ref count adapters.
665 */
666
667 static int aac_cfg_open(struct inode *inode, struct file *file)
668 {
669 struct aac_dev *aac;
670 unsigned minor_number = iminor(inode);
671 int err = -ENODEV;
672
673 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
674 list_for_each_entry(aac, &aac_devices, entry) {
675 if (aac->id == minor_number) {
676 file->private_data = aac;
677 err = 0;
678 break;
679 }
680 }
681 mutex_unlock(&aac_mutex);
682
683 return err;
684 }
685
686 /**
687 * aac_cfg_ioctl - AAC configuration request
688 * @inode: inode of device
689 * @file: file handle
690 * @cmd: ioctl command code
691 * @arg: argument
692 *
693 * Handles a configuration ioctl. Currently this involves wrapping it
694 * up and feeding it into the nasty windowsalike glue layer.
695 *
696 * Bugs: Needs locking against parallel ioctls lower down
697 * Bugs: Needs to handle hot plugging
698 */
699
700 static long aac_cfg_ioctl(struct file *file,
701 unsigned int cmd, unsigned long arg)
702 {
703 int ret;
704 struct aac_dev *aac;
705 aac = (struct aac_dev *)file->private_data;
706 if (!capable(CAP_SYS_RAWIO) || aac->adapter_shutdown)
707 return -EPERM;
708 mutex_lock(&aac_mutex);
709 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
710 mutex_unlock(&aac_mutex);
711
712 return ret;
713 }
714
715 #ifdef CONFIG_COMPAT
716 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
717 {
718 long ret;
719 mutex_lock(&aac_mutex);
720 switch (cmd) {
721 case FSACTL_MINIPORT_REV_CHECK:
722 case FSACTL_SENDFIB:
723 case FSACTL_OPEN_GET_ADAPTER_FIB:
724 case FSACTL_CLOSE_GET_ADAPTER_FIB:
725 case FSACTL_SEND_RAW_SRB:
726 case FSACTL_GET_PCI_INFO:
727 case FSACTL_QUERY_DISK:
728 case FSACTL_DELETE_DISK:
729 case FSACTL_FORCE_DELETE_DISK:
730 case FSACTL_GET_CONTAINERS:
731 case FSACTL_SEND_LARGE_FIB:
732 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
733 break;
734
735 case FSACTL_GET_NEXT_ADAPTER_FIB: {
736 struct fib_ioctl __user *f;
737
738 f = compat_alloc_user_space(sizeof(*f));
739 ret = 0;
740 if (clear_user(f, sizeof(*f)))
741 ret = -EFAULT;
742 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
743 ret = -EFAULT;
744 if (!ret)
745 ret = aac_do_ioctl(dev, cmd, f);
746 break;
747 }
748
749 default:
750 ret = -ENOIOCTLCMD;
751 break;
752 }
753 mutex_unlock(&aac_mutex);
754 return ret;
755 }
756
757 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
758 {
759 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
760 if (!capable(CAP_SYS_RAWIO))
761 return -EPERM;
762 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
763 }
764
765 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
766 {
767 if (!capable(CAP_SYS_RAWIO))
768 return -EPERM;
769 return aac_compat_do_ioctl(file->private_data, cmd, arg);
770 }
771 #endif
772
773 static ssize_t aac_show_model(struct device *device,
774 struct device_attribute *attr, char *buf)
775 {
776 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
777 int len;
778
779 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
780 char * cp = dev->supplement_adapter_info.AdapterTypeText;
781 while (*cp && *cp != ' ')
782 ++cp;
783 while (*cp == ' ')
784 ++cp;
785 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
786 } else
787 len = snprintf(buf, PAGE_SIZE, "%s\n",
788 aac_drivers[dev->cardtype].model);
789 return len;
790 }
791
792 static ssize_t aac_show_vendor(struct device *device,
793 struct device_attribute *attr, char *buf)
794 {
795 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
796 int len;
797
798 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
799 char * cp = dev->supplement_adapter_info.AdapterTypeText;
800 while (*cp && *cp != ' ')
801 ++cp;
802 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
803 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
804 dev->supplement_adapter_info.AdapterTypeText);
805 } else
806 len = snprintf(buf, PAGE_SIZE, "%s\n",
807 aac_drivers[dev->cardtype].vname);
808 return len;
809 }
810
811 static ssize_t aac_show_flags(struct device *cdev,
812 struct device_attribute *attr, char *buf)
813 {
814 int len = 0;
815 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
816
817 if (nblank(dprintk(x)))
818 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
819 #ifdef AAC_DETAILED_STATUS_INFO
820 len += snprintf(buf + len, PAGE_SIZE - len,
821 "AAC_DETAILED_STATUS_INFO\n");
822 #endif
823 if (dev->raw_io_interface && dev->raw_io_64)
824 len += snprintf(buf + len, PAGE_SIZE - len,
825 "SAI_READ_CAPACITY_16\n");
826 if (dev->jbod)
827 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
828 if (dev->supplement_adapter_info.SupportedOptions2 &
829 AAC_OPTION_POWER_MANAGEMENT)
830 len += snprintf(buf + len, PAGE_SIZE - len,
831 "SUPPORTED_POWER_MANAGEMENT\n");
832 if (dev->msi)
833 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
834 return len;
835 }
836
837 static ssize_t aac_show_kernel_version(struct device *device,
838 struct device_attribute *attr,
839 char *buf)
840 {
841 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
842 int len, tmp;
843
844 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
845 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
846 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
847 le32_to_cpu(dev->adapter_info.kernelbuild));
848 return len;
849 }
850
851 static ssize_t aac_show_monitor_version(struct device *device,
852 struct device_attribute *attr,
853 char *buf)
854 {
855 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
856 int len, tmp;
857
858 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
859 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
860 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
861 le32_to_cpu(dev->adapter_info.monitorbuild));
862 return len;
863 }
864
865 static ssize_t aac_show_bios_version(struct device *device,
866 struct device_attribute *attr,
867 char *buf)
868 {
869 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
870 int len, tmp;
871
872 tmp = le32_to_cpu(dev->adapter_info.biosrev);
873 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
874 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
875 le32_to_cpu(dev->adapter_info.biosbuild));
876 return len;
877 }
878
879 static ssize_t aac_show_serial_number(struct device *device,
880 struct device_attribute *attr, char *buf)
881 {
882 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
883 int len = 0;
884
885 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
886 len = snprintf(buf, 16, "%06X\n",
887 le32_to_cpu(dev->adapter_info.serial[0]));
888 if (len &&
889 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
890 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
891 buf, len-1))
892 len = snprintf(buf, 16, "%.*s\n",
893 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
894 dev->supplement_adapter_info.MfgPcbaSerialNo);
895
896 return min(len, 16);
897 }
898
899 static ssize_t aac_show_max_channel(struct device *device,
900 struct device_attribute *attr, char *buf)
901 {
902 return snprintf(buf, PAGE_SIZE, "%d\n",
903 class_to_shost(device)->max_channel);
904 }
905
906 static ssize_t aac_show_max_id(struct device *device,
907 struct device_attribute *attr, char *buf)
908 {
909 return snprintf(buf, PAGE_SIZE, "%d\n",
910 class_to_shost(device)->max_id);
911 }
912
913 static ssize_t aac_store_reset_adapter(struct device *device,
914 struct device_attribute *attr,
915 const char *buf, size_t count)
916 {
917 int retval = -EACCES;
918
919 if (!capable(CAP_SYS_ADMIN))
920 return retval;
921 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
922 if (retval >= 0)
923 retval = count;
924 return retval;
925 }
926
927 static ssize_t aac_show_reset_adapter(struct device *device,
928 struct device_attribute *attr,
929 char *buf)
930 {
931 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
932 int len, tmp;
933
934 tmp = aac_adapter_check_health(dev);
935 if ((tmp == 0) && dev->in_reset)
936 tmp = -EBUSY;
937 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
938 return len;
939 }
940
941 static struct device_attribute aac_model = {
942 .attr = {
943 .name = "model",
944 .mode = S_IRUGO,
945 },
946 .show = aac_show_model,
947 };
948 static struct device_attribute aac_vendor = {
949 .attr = {
950 .name = "vendor",
951 .mode = S_IRUGO,
952 },
953 .show = aac_show_vendor,
954 };
955 static struct device_attribute aac_flags = {
956 .attr = {
957 .name = "flags",
958 .mode = S_IRUGO,
959 },
960 .show = aac_show_flags,
961 };
962 static struct device_attribute aac_kernel_version = {
963 .attr = {
964 .name = "hba_kernel_version",
965 .mode = S_IRUGO,
966 },
967 .show = aac_show_kernel_version,
968 };
969 static struct device_attribute aac_monitor_version = {
970 .attr = {
971 .name = "hba_monitor_version",
972 .mode = S_IRUGO,
973 },
974 .show = aac_show_monitor_version,
975 };
976 static struct device_attribute aac_bios_version = {
977 .attr = {
978 .name = "hba_bios_version",
979 .mode = S_IRUGO,
980 },
981 .show = aac_show_bios_version,
982 };
983 static struct device_attribute aac_serial_number = {
984 .attr = {
985 .name = "serial_number",
986 .mode = S_IRUGO,
987 },
988 .show = aac_show_serial_number,
989 };
990 static struct device_attribute aac_max_channel = {
991 .attr = {
992 .name = "max_channel",
993 .mode = S_IRUGO,
994 },
995 .show = aac_show_max_channel,
996 };
997 static struct device_attribute aac_max_id = {
998 .attr = {
999 .name = "max_id",
1000 .mode = S_IRUGO,
1001 },
1002 .show = aac_show_max_id,
1003 };
1004 static struct device_attribute aac_reset = {
1005 .attr = {
1006 .name = "reset_host",
1007 .mode = S_IWUSR|S_IRUGO,
1008 },
1009 .store = aac_store_reset_adapter,
1010 .show = aac_show_reset_adapter,
1011 };
1012
1013 static struct device_attribute *aac_attrs[] = {
1014 &aac_model,
1015 &aac_vendor,
1016 &aac_flags,
1017 &aac_kernel_version,
1018 &aac_monitor_version,
1019 &aac_bios_version,
1020 &aac_serial_number,
1021 &aac_max_channel,
1022 &aac_max_id,
1023 &aac_reset,
1024 NULL
1025 };
1026
1027 ssize_t aac_get_serial_number(struct device *device, char *buf)
1028 {
1029 return aac_show_serial_number(device, &aac_serial_number, buf);
1030 }
1031
1032 static const struct file_operations aac_cfg_fops = {
1033 .owner = THIS_MODULE,
1034 .unlocked_ioctl = aac_cfg_ioctl,
1035 #ifdef CONFIG_COMPAT
1036 .compat_ioctl = aac_compat_cfg_ioctl,
1037 #endif
1038 .open = aac_cfg_open,
1039 .llseek = noop_llseek,
1040 };
1041
1042 static struct scsi_host_template aac_driver_template = {
1043 .module = THIS_MODULE,
1044 .name = "AAC",
1045 .proc_name = AAC_DRIVERNAME,
1046 .info = aac_info,
1047 .ioctl = aac_ioctl,
1048 #ifdef CONFIG_COMPAT
1049 .compat_ioctl = aac_compat_ioctl,
1050 #endif
1051 .queuecommand = aac_queuecommand,
1052 .bios_param = aac_biosparm,
1053 .shost_attrs = aac_attrs,
1054 .slave_configure = aac_slave_configure,
1055 .change_queue_depth = aac_change_queue_depth,
1056 .sdev_attrs = aac_dev_attrs,
1057 .eh_abort_handler = aac_eh_abort,
1058 .eh_host_reset_handler = aac_eh_reset,
1059 .can_queue = AAC_NUM_IO_FIB,
1060 .this_id = MAXIMUM_NUM_CONTAINERS,
1061 .sg_tablesize = 16,
1062 .max_sectors = 128,
1063 #if (AAC_NUM_IO_FIB > 256)
1064 .cmd_per_lun = 256,
1065 #else
1066 .cmd_per_lun = AAC_NUM_IO_FIB,
1067 #endif
1068 .use_clustering = ENABLE_CLUSTERING,
1069 .emulated = 1,
1070 .no_write_same = 1,
1071 };
1072
1073 static void __aac_shutdown(struct aac_dev * aac)
1074 {
1075 int i;
1076 int cpu;
1077
1078 if (aac->aif_thread) {
1079 int i;
1080 /* Clear out events first */
1081 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1082 struct fib *fib = &aac->fibs[i];
1083 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1084 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1085 up(&fib->event_wait);
1086 }
1087 kthread_stop(aac->thread);
1088 }
1089 aac_send_shutdown(aac);
1090 aac_adapter_disable_int(aac);
1091 cpu = cpumask_first(cpu_online_mask);
1092 if (aac->pdev->device == PMC_DEVICE_S6 ||
1093 aac->pdev->device == PMC_DEVICE_S7 ||
1094 aac->pdev->device == PMC_DEVICE_S8 ||
1095 aac->pdev->device == PMC_DEVICE_S9) {
1096 if (aac->max_msix > 1) {
1097 for (i = 0; i < aac->max_msix; i++) {
1098 if (irq_set_affinity_hint(
1099 aac->msixentry[i].vector,
1100 NULL)) {
1101 printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
1102 aac->name,
1103 aac->id,
1104 cpu);
1105 }
1106 cpu = cpumask_next(cpu,
1107 cpu_online_mask);
1108 free_irq(aac->msixentry[i].vector,
1109 &(aac->aac_msix[i]));
1110 }
1111 } else {
1112 free_irq(aac->pdev->irq,
1113 &(aac->aac_msix[0]));
1114 }
1115 } else {
1116 free_irq(aac->pdev->irq, aac);
1117 }
1118 if (aac->msi)
1119 pci_disable_msi(aac->pdev);
1120 else if (aac->max_msix > 1)
1121 pci_disable_msix(aac->pdev);
1122 }
1123
1124 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1125 {
1126 unsigned index = id->driver_data;
1127 struct Scsi_Host *shost;
1128 struct aac_dev *aac;
1129 struct list_head *insert = &aac_devices;
1130 int error = -ENODEV;
1131 int unique_id = 0;
1132 u64 dmamask;
1133 extern int aac_sync_mode;
1134
1135 list_for_each_entry(aac, &aac_devices, entry) {
1136 if (aac->id > unique_id)
1137 break;
1138 insert = &aac->entry;
1139 unique_id++;
1140 }
1141
1142 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1143 PCIE_LINK_STATE_CLKPM);
1144
1145 error = pci_enable_device(pdev);
1146 if (error)
1147 goto out;
1148 error = -ENODEV;
1149
1150 /*
1151 * If the quirk31 bit is set, the adapter needs adapter
1152 * to driver communication memory to be allocated below 2gig
1153 */
1154 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1155 dmamask = DMA_BIT_MASK(31);
1156 else
1157 dmamask = DMA_BIT_MASK(32);
1158
1159 if (pci_set_dma_mask(pdev, dmamask) ||
1160 pci_set_consistent_dma_mask(pdev, dmamask))
1161 goto out_disable_pdev;
1162
1163 pci_set_master(pdev);
1164
1165 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1166 if (!shost)
1167 goto out_disable_pdev;
1168
1169 shost->irq = pdev->irq;
1170 shost->unique_id = unique_id;
1171 shost->max_cmd_len = 16;
1172 shost->use_cmd_list = 1;
1173
1174 aac = (struct aac_dev *)shost->hostdata;
1175 aac->base_start = pci_resource_start(pdev, 0);
1176 aac->scsi_host_ptr = shost;
1177 aac->pdev = pdev;
1178 aac->name = aac_driver_template.name;
1179 aac->id = shost->unique_id;
1180 aac->cardtype = index;
1181 INIT_LIST_HEAD(&aac->entry);
1182
1183 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1184 if (!aac->fibs)
1185 goto out_free_host;
1186 spin_lock_init(&aac->fib_lock);
1187
1188 /*
1189 * Map in the registers from the adapter.
1190 */
1191 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1192 if ((*aac_drivers[index].init)(aac))
1193 goto out_unmap;
1194
1195 if (aac->sync_mode) {
1196 if (aac_sync_mode)
1197 printk(KERN_INFO "%s%d: Sync. mode enforced "
1198 "by driver parameter. This will cause "
1199 "a significant performance decrease!\n",
1200 aac->name,
1201 aac->id);
1202 else
1203 printk(KERN_INFO "%s%d: Async. mode not supported "
1204 "by current driver, sync. mode enforced."
1205 "\nPlease update driver to get full performance.\n",
1206 aac->name,
1207 aac->id);
1208 }
1209
1210 /*
1211 * Start any kernel threads needed
1212 */
1213 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1214 if (IS_ERR(aac->thread)) {
1215 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1216 error = PTR_ERR(aac->thread);
1217 aac->thread = NULL;
1218 goto out_deinit;
1219 }
1220
1221 /*
1222 * If we had set a smaller DMA mask earlier, set it to 4gig
1223 * now since the adapter can dma data to at least a 4gig
1224 * address space.
1225 */
1226 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1227 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1228 goto out_deinit;
1229
1230 aac->maximum_num_channels = aac_drivers[index].channels;
1231 error = aac_get_adapter_info(aac);
1232 if (error < 0)
1233 goto out_deinit;
1234
1235 /*
1236 * Lets override negotiations and drop the maximum SG limit to 34
1237 */
1238 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1239 (shost->sg_tablesize > 34)) {
1240 shost->sg_tablesize = 34;
1241 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1242 }
1243
1244 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1245 (shost->sg_tablesize > 17)) {
1246 shost->sg_tablesize = 17;
1247 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1248 }
1249
1250 error = pci_set_dma_max_seg_size(pdev,
1251 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1252 (shost->max_sectors << 9) : 65536);
1253 if (error)
1254 goto out_deinit;
1255
1256 /*
1257 * Firmware printf works only with older firmware.
1258 */
1259 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1260 aac->printf_enabled = 1;
1261 else
1262 aac->printf_enabled = 0;
1263
1264 /*
1265 * max channel will be the physical channels plus 1 virtual channel
1266 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1267 * physical channels are address by their actual physical number+1
1268 */
1269 if (aac->nondasd_support || expose_physicals || aac->jbod)
1270 shost->max_channel = aac->maximum_num_channels;
1271 else
1272 shost->max_channel = 0;
1273
1274 aac_get_config_status(aac, 0);
1275 aac_get_containers(aac);
1276 list_add(&aac->entry, insert);
1277
1278 shost->max_id = aac->maximum_num_containers;
1279 if (shost->max_id < aac->maximum_num_physicals)
1280 shost->max_id = aac->maximum_num_physicals;
1281 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1282 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1283 else
1284 shost->this_id = shost->max_id;
1285
1286 /*
1287 * dmb - we may need to move the setting of these parms somewhere else once
1288 * we get a fib that can report the actual numbers
1289 */
1290 shost->max_lun = AAC_MAX_LUN;
1291
1292 pci_set_drvdata(pdev, shost);
1293
1294 error = scsi_add_host(shost, &pdev->dev);
1295 if (error)
1296 goto out_deinit;
1297 scsi_scan_host(shost);
1298
1299 return 0;
1300
1301 out_deinit:
1302 __aac_shutdown(aac);
1303 out_unmap:
1304 aac_fib_map_free(aac);
1305 if (aac->comm_addr)
1306 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1307 aac->comm_phys);
1308 kfree(aac->queues);
1309 aac_adapter_ioremap(aac, 0);
1310 kfree(aac->fibs);
1311 kfree(aac->fsa_dev);
1312 out_free_host:
1313 scsi_host_put(shost);
1314 out_disable_pdev:
1315 pci_disable_device(pdev);
1316 out:
1317 return error;
1318 }
1319
1320 #if (defined(CONFIG_PM))
1321 void aac_release_resources(struct aac_dev *aac)
1322 {
1323 int i;
1324
1325 aac_adapter_disable_int(aac);
1326 if (aac->pdev->device == PMC_DEVICE_S6 ||
1327 aac->pdev->device == PMC_DEVICE_S7 ||
1328 aac->pdev->device == PMC_DEVICE_S8 ||
1329 aac->pdev->device == PMC_DEVICE_S9) {
1330 if (aac->max_msix > 1) {
1331 for (i = 0; i < aac->max_msix; i++)
1332 free_irq(aac->msixentry[i].vector,
1333 &(aac->aac_msix[i]));
1334 } else {
1335 free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
1336 }
1337 } else {
1338 free_irq(aac->pdev->irq, aac);
1339 }
1340 if (aac->msi)
1341 pci_disable_msi(aac->pdev);
1342 else if (aac->max_msix > 1)
1343 pci_disable_msix(aac->pdev);
1344
1345 }
1346
1347 static int aac_acquire_resources(struct aac_dev *dev)
1348 {
1349 int i, j;
1350 int instance = dev->id;
1351 const char *name = dev->name;
1352 unsigned long status;
1353 /*
1354 * First clear out all interrupts. Then enable the one's that we
1355 * can handle.
1356 */
1357 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1358 || status == 0xffffffff)
1359 msleep(20);
1360
1361 aac_adapter_disable_int(dev);
1362 aac_adapter_enable_int(dev);
1363
1364
1365 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1366 dev->pdev->device == PMC_DEVICE_S8 ||
1367 dev->pdev->device == PMC_DEVICE_S9))
1368 aac_define_int_mode(dev);
1369
1370 if (dev->msi_enabled)
1371 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1372
1373 if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
1374 for (i = 0; i < dev->max_msix; i++) {
1375 dev->aac_msix[i].vector_no = i;
1376 dev->aac_msix[i].dev = dev;
1377
1378 if (request_irq(dev->msixentry[i].vector,
1379 dev->a_ops.adapter_intr,
1380 0, "aacraid", &(dev->aac_msix[i]))) {
1381 printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
1382 name, instance, i);
1383 for (j = 0 ; j < i ; j++)
1384 free_irq(dev->msixentry[j].vector,
1385 &(dev->aac_msix[j]));
1386 pci_disable_msix(dev->pdev);
1387 goto error_iounmap;
1388 }
1389 }
1390 } else {
1391 dev->aac_msix[0].vector_no = 0;
1392 dev->aac_msix[0].dev = dev;
1393
1394 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
1395 IRQF_SHARED, "aacraid",
1396 &(dev->aac_msix[0])) < 0) {
1397 if (dev->msi)
1398 pci_disable_msi(dev->pdev);
1399 printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
1400 name, instance);
1401 goto error_iounmap;
1402 }
1403 }
1404
1405 aac_adapter_enable_int(dev);
1406
1407 if (!dev->sync_mode)
1408 aac_adapter_start(dev);
1409 return 0;
1410
1411 error_iounmap:
1412 return -1;
1413
1414 }
1415 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1416 {
1417
1418 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1419 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1420
1421 scsi_block_requests(shost);
1422 aac_send_shutdown(aac);
1423
1424 aac_release_resources(aac);
1425
1426 pci_set_drvdata(pdev, shost);
1427 pci_save_state(pdev);
1428 pci_disable_device(pdev);
1429 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1430
1431 return 0;
1432 }
1433
1434 static int aac_resume(struct pci_dev *pdev)
1435 {
1436 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1437 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1438 int r;
1439
1440 pci_set_power_state(pdev, PCI_D0);
1441 pci_enable_wake(pdev, PCI_D0, 0);
1442 pci_restore_state(pdev);
1443 r = pci_enable_device(pdev);
1444
1445 if (r)
1446 goto fail_device;
1447
1448 pci_set_master(pdev);
1449 if (aac_acquire_resources(aac))
1450 goto fail_device;
1451 /*
1452 * reset this flag to unblock ioctl() as it was set at
1453 * aac_send_shutdown() to block ioctls from upperlayer
1454 */
1455 aac->adapter_shutdown = 0;
1456 scsi_unblock_requests(shost);
1457
1458 return 0;
1459
1460 fail_device:
1461 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1462 scsi_host_put(shost);
1463 pci_disable_device(pdev);
1464 return -ENODEV;
1465 }
1466 #endif
1467
1468 static void aac_shutdown(struct pci_dev *dev)
1469 {
1470 struct Scsi_Host *shost = pci_get_drvdata(dev);
1471 scsi_block_requests(shost);
1472 __aac_shutdown((struct aac_dev *)shost->hostdata);
1473 }
1474
1475 static void aac_remove_one(struct pci_dev *pdev)
1476 {
1477 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1478 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1479
1480 scsi_remove_host(shost);
1481
1482 __aac_shutdown(aac);
1483 aac_fib_map_free(aac);
1484 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1485 aac->comm_phys);
1486 kfree(aac->queues);
1487
1488 aac_adapter_ioremap(aac, 0);
1489
1490 kfree(aac->fibs);
1491 kfree(aac->fsa_dev);
1492
1493 list_del(&aac->entry);
1494 scsi_host_put(shost);
1495 pci_disable_device(pdev);
1496 if (list_empty(&aac_devices)) {
1497 unregister_chrdev(aac_cfg_major, "aac");
1498 aac_cfg_major = -1;
1499 }
1500 }
1501
1502 static struct pci_driver aac_pci_driver = {
1503 .name = AAC_DRIVERNAME,
1504 .id_table = aac_pci_tbl,
1505 .probe = aac_probe_one,
1506 .remove = aac_remove_one,
1507 #if (defined(CONFIG_PM))
1508 .suspend = aac_suspend,
1509 .resume = aac_resume,
1510 #endif
1511 .shutdown = aac_shutdown,
1512 };
1513
1514 static int __init aac_init(void)
1515 {
1516 int error;
1517
1518 printk(KERN_INFO "Adaptec %s driver %s\n",
1519 AAC_DRIVERNAME, aac_driver_version);
1520
1521 error = pci_register_driver(&aac_pci_driver);
1522 if (error < 0)
1523 return error;
1524
1525 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1526 if (aac_cfg_major < 0) {
1527 printk(KERN_WARNING
1528 "aacraid: unable to register \"aac\" device.\n");
1529 }
1530
1531 return 0;
1532 }
1533
1534 static void __exit aac_exit(void)
1535 {
1536 if (aac_cfg_major > -1)
1537 unregister_chrdev(aac_cfg_major, "aac");
1538 pci_unregister_driver(&aac_pci_driver);
1539 }
1540
1541 module_init(aac_init);
1542 module_exit(aac_exit);
Linux with added FPC-III support