?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
[SCSI] aacraid: add support for FUA
[linux-2.6/libata-dev.git] / drivers / scsi / aacraid / linit.c
bloba270a3f006479f9b5d67ee92d564c4941feee548
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/spinlock.h>
42 #include <linux/dma-mapping.h>
43 #include <linux/syscalls.h>
44 #include <linux/delay.h>
45 #include <linux/smp_lock.h>
46 #include <linux/kthread.h>
47 #include <asm/semaphore.h>
48
49 #include <scsi/scsi.h>
50 #include <scsi/scsi_cmnd.h>
51 #include <scsi/scsi_device.h>
52 #include <scsi/scsi_host.h>
53 #include <scsi/scsi_tcq.h>
54 #include <scsi/scsicam.h>
55 #include <scsi/scsi_eh.h>
56
57 #include "aacraid.h"
58
59 #define AAC_DRIVER_VERSION "1.1-5"
60 #ifndef AAC_DRIVER_BRANCH
61 #define AAC_DRIVER_BRANCH ""
62 #endif
63 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
64 #define AAC_DRIVERNAME "aacraid"
65
66 #ifdef AAC_DRIVER_BUILD
67 #define _str(x) #x
68 #define str(x) _str(x)
69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
70 #else
71 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
72 #endif
73
74 MODULE_AUTHOR("Red Hat Inc and Adaptec");
75 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
76 "Adaptec Advanced Raid Products, "
77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
78 MODULE_LICENSE("GPL");
79 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
80
81 static LIST_HEAD(aac_devices);
82 static int aac_cfg_major = -1;
83 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
84
85 /*
86 * Because of the way Linux names scsi devices, the order in this table has
87 * become important. Check for on-board Raid first, add-in cards second.
88 *
89 * Note: The last field is used to index into aac_drivers below.
90 */
91 static struct pci_device_id aac_pci_tbl[] = {
92 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
93 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
94 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
95 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
96 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
97 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
98 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
99 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
100 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
101 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
102 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
103 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
104 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
105 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
106 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
107 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
108
109 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
110 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
111 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
112 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
113 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
114 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
115 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
116 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
117 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
118 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
123 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
124 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
125 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
126 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
127 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
128 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
129 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
130 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
131 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
132 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
133 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
134 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
135 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
136 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
137 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
138 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
139 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
140 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
141 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
142 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
143 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
144 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
145 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
146 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
147
148 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
149 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
150 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
151 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
152 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
153
154 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
155 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
156 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
157 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
158 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
159 { 0,}
160 };
161 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
162
163 /*
164 * dmb - For now we add the number of channels to this structure.
165 * In the future we should add a fib that reports the number of channels
166 * for the card. At that time we can remove the channels from here
167 */
168 static struct aac_driver_ident aac_drivers[] = {
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
183 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
184 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
185
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
190 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
193 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
195 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
196 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
197 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
198 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
200 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
201 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
203 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
204 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
208 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
215 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
216 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
217 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
221 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
222
223 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
224 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
225 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
226 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
227 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
228
229 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
230 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
231 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
232 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
233 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
234 };
235
236 /**
237 * aac_queuecommand - queue a SCSI command
238 * @cmd: SCSI command to queue
239 * @done: Function to call on command completion
240 *
241 * Queues a command for execution by the associated Host Adapter.
242 *
243 * TODO: unify with aac_scsi_cmd().
244 */
245
246 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
247 {
248 struct Scsi_Host *host = cmd->device->host;
249 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
250 u32 count = 0;
251 cmd->scsi_done = done;
252 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
253 struct fib * fib = &dev->fibs[count];
254 struct scsi_cmnd * command;
255 if (fib->hw_fib_va->header.XferState &&
256 ((command = fib->callback_data)) &&
257 (command == cmd) &&
258 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
259 return 0; /* Already owned by Adapter */
260 }
261 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
262 return (aac_scsi_cmd(cmd) ? FAILED : 0);
263 }
264
265 /**
266 * aac_info - Returns the host adapter name
267 * @shost: Scsi host to report on
268 *
269 * Returns a static string describing the device in question
270 */
271
272 static const char *aac_info(struct Scsi_Host *shost)
273 {
274 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
275 return aac_drivers[dev->cardtype].name;
276 }
277
278 /**
279 * aac_get_driver_ident
280 * @devtype: index into lookup table
281 *
282 * Returns a pointer to the entry in the driver lookup table.
283 */
284
285 struct aac_driver_ident* aac_get_driver_ident(int devtype)
286 {
287 return &aac_drivers[devtype];
288 }
289
290 /**
291 * aac_biosparm - return BIOS parameters for disk
292 * @sdev: The scsi device corresponding to the disk
293 * @bdev: the block device corresponding to the disk
294 * @capacity: the sector capacity of the disk
295 * @geom: geometry block to fill in
296 *
297 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
298 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
299 * number of cylinders so as not to exceed drive capacity. In order for
300 * disks equal to or larger than 1 GB to be addressable by the BIOS
301 * without exceeding the BIOS limitation of 1024 cylinders, Extended
302 * Translation should be enabled. With Extended Translation enabled,
303 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
304 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
305 * are given a disk geometry of 255 heads and 63 sectors. However, if
306 * the BIOS detects that the Extended Translation setting does not match
307 * the geometry in the partition table, then the translation inferred
308 * from the partition table will be used by the BIOS, and a warning may
309 * be displayed.
310 */
311
312 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
313 sector_t capacity, int *geom)
314 {
315 struct diskparm *param = (struct diskparm *)geom;
316 unsigned char *buf;
317
318 dprintk((KERN_DEBUG "aac_biosparm.\n"));
319
320 /*
321 * Assuming extended translation is enabled - #REVISIT#
322 */
323 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
324 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
325 param->heads = 255;
326 param->sectors = 63;
327 } else {
328 param->heads = 128;
329 param->sectors = 32;
330 }
331 } else {
332 param->heads = 64;
333 param->sectors = 32;
334 }
335
336 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
337
338 /*
339 * Read the first 1024 bytes from the disk device, if the boot
340 * sector partition table is valid, search for a partition table
341 * entry whose end_head matches one of the standard geometry
342 * translations ( 64/32, 128/32, 255/63 ).
343 */
344 buf = scsi_bios_ptable(bdev);
345 if (!buf)
346 return 0;
347 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
348 struct partition *first = (struct partition * )buf;
349 struct partition *entry = first;
350 int saved_cylinders = param->cylinders;
351 int num;
352 unsigned char end_head, end_sec;
353
354 for(num = 0; num < 4; num++) {
355 end_head = entry->end_head;
356 end_sec = entry->end_sector & 0x3f;
357
358 if(end_head == 63) {
359 param->heads = 64;
360 param->sectors = 32;
361 break;
362 } else if(end_head == 127) {
363 param->heads = 128;
364 param->sectors = 32;
365 break;
366 } else if(end_head == 254) {
367 param->heads = 255;
368 param->sectors = 63;
369 break;
370 }
371 entry++;
372 }
373
374 if (num == 4) {
375 end_head = first->end_head;
376 end_sec = first->end_sector & 0x3f;
377 }
378
379 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
380 if (num < 4 && end_sec == param->sectors) {
381 if (param->cylinders != saved_cylinders)
382 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
383 param->heads, param->sectors, num));
384 } else if (end_head > 0 || end_sec > 0) {
385 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
386 end_head + 1, end_sec, num));
387 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
388 param->heads, param->sectors));
389 }
390 }
391 kfree(buf);
392 return 0;
393 }
394
395 /**
396 * aac_slave_configure - compute queue depths
397 * @sdev: SCSI device we are considering
398 *
399 * Selects queue depths for each target device based on the host adapter's
400 * total capacity and the queue depth supported by the target device.
401 * A queue depth of one automatically disables tagged queueing.
402 */
403
404 static int aac_slave_configure(struct scsi_device *sdev)
405 {
406 if ((sdev->type == TYPE_DISK) &&
407 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
408 if (expose_physicals == 0)
409 return -ENXIO;
410 if (expose_physicals < 0) {
411 struct aac_dev *aac =
412 (struct aac_dev *)sdev->host->hostdata;
413 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
414 sdev->no_uld_attach = 1;
415 }
416 }
417 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
418 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
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
425 __shost_for_each_device(dev, host) {
426 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
427 (sdev_channel(dev) == CONTAINER_CHANNEL))
428 ++num_lsu;
429 else
430 ++num_one;
431 }
432 if (num_lsu == 0)
433 ++num_lsu;
434 depth = (host->can_queue - num_one) / num_lsu;
435 if (depth > 256)
436 depth = 256;
437 else if (depth < 2)
438 depth = 2;
439 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
440 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
441 AAC_OPT_NEW_COMM))
442 blk_queue_max_segment_size(sdev->request_queue, 65536);
443 } else
444 scsi_adjust_queue_depth(sdev, 0, 1);
445
446 return 0;
447 }
448
449 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
450 {
451 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
452 return aac_do_ioctl(dev, cmd, arg);
453 }
454
455 static int aac_eh_abort(struct scsi_cmnd* cmd)
456 {
457 struct scsi_device * dev = cmd->device;
458 struct Scsi_Host * host = dev->host;
459 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
460 int count;
461 int ret = FAILED;
462
463 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
464 AAC_DRIVERNAME,
465 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
466 switch (cmd->cmnd[0]) {
467 case SERVICE_ACTION_IN:
468 if (!(aac->raw_io_interface) ||
469 !(aac->raw_io_64) ||
470 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
471 break;
472 case INQUIRY:
473 case READ_CAPACITY:
474 case TEST_UNIT_READY:
475 /* Mark associated FIB to not complete, eh handler does this */
476 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
477 struct fib * fib = &aac->fibs[count];
478 if (fib->hw_fib_va->header.XferState &&
479 (fib->callback_data == cmd)) {
480 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
481 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
482 ret = SUCCESS;
483 }
484 }
485 }
486 return ret;
487 }
488
489 /*
490 * aac_eh_reset - Reset command handling
491 * @scsi_cmd: SCSI command block causing the reset
492 *
493 */
494 static int aac_eh_reset(struct scsi_cmnd* cmd)
495 {
496 struct scsi_device * dev = cmd->device;
497 struct Scsi_Host * host = dev->host;
498 struct scsi_cmnd * command;
499 int count;
500 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
501 unsigned long flags;
502
503 /* Mark the associated FIB to not complete, eh handler does this */
504 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
505 struct fib * fib = &aac->fibs[count];
506 if (fib->hw_fib_va->header.XferState &&
507 (fib->callback_data == cmd)) {
508 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
509 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
510 }
511 }
512 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
513 AAC_DRIVERNAME);
514
515 if ((count = aac_check_health(aac)))
516 return count;
517 /*
518 * Wait for all commands to complete to this specific
519 * target (block maximum 60 seconds).
520 */
521 for (count = 60; count; --count) {
522 int active = aac->in_reset;
523
524 if (active == 0)
525 __shost_for_each_device(dev, host) {
526 spin_lock_irqsave(&dev->list_lock, flags);
527 list_for_each_entry(command, &dev->cmd_list, list) {
528 if ((command != cmd) &&
529 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
530 active++;
531 break;
532 }
533 }
534 spin_unlock_irqrestore(&dev->list_lock, flags);
535 if (active)
536 break;
537
538 }
539 /*
540 * We can exit If all the commands are complete
541 */
542 if (active == 0)
543 return SUCCESS;
544 ssleep(1);
545 }
546 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
547 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
548 }
549
550 /**
551 * aac_cfg_open - open a configuration file
552 * @inode: inode being opened
553 * @file: file handle attached
554 *
555 * Called when the configuration device is opened. Does the needed
556 * set up on the handle and then returns
557 *
558 * Bugs: This needs extending to check a given adapter is present
559 * so we can support hot plugging, and to ref count adapters.
560 */
561
562 static int aac_cfg_open(struct inode *inode, struct file *file)
563 {
564 struct aac_dev *aac;
565 unsigned minor_number = iminor(inode);
566 int err = -ENODEV;
567
568 list_for_each_entry(aac, &aac_devices, entry) {
569 if (aac->id == minor_number) {
570 file->private_data = aac;
571 err = 0;
572 break;
573 }
574 }
575
576 return err;
577 }
578
579 /**
580 * aac_cfg_ioctl - AAC configuration request
581 * @inode: inode of device
582 * @file: file handle
583 * @cmd: ioctl command code
584 * @arg: argument
585 *
586 * Handles a configuration ioctl. Currently this involves wrapping it
587 * up and feeding it into the nasty windowsalike glue layer.
588 *
589 * Bugs: Needs locking against parallel ioctls lower down
590 * Bugs: Needs to handle hot plugging
591 */
592
593 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
594 unsigned int cmd, unsigned long arg)
595 {
596 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
597 }
598
599 #ifdef CONFIG_COMPAT
600 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
601 {
602 long ret;
603 lock_kernel();
604 switch (cmd) {
605 case FSACTL_MINIPORT_REV_CHECK:
606 case FSACTL_SENDFIB:
607 case FSACTL_OPEN_GET_ADAPTER_FIB:
608 case FSACTL_CLOSE_GET_ADAPTER_FIB:
609 case FSACTL_SEND_RAW_SRB:
610 case FSACTL_GET_PCI_INFO:
611 case FSACTL_QUERY_DISK:
612 case FSACTL_DELETE_DISK:
613 case FSACTL_FORCE_DELETE_DISK:
614 case FSACTL_GET_CONTAINERS:
615 case FSACTL_SEND_LARGE_FIB:
616 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
617 break;
618
619 case FSACTL_GET_NEXT_ADAPTER_FIB: {
620 struct fib_ioctl __user *f;
621
622 f = compat_alloc_user_space(sizeof(*f));
623 ret = 0;
624 if (clear_user(f, sizeof(*f)))
625 ret = -EFAULT;
626 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
627 ret = -EFAULT;
628 if (!ret)
629 ret = aac_do_ioctl(dev, cmd, f);
630 break;
631 }
632
633 default:
634 ret = -ENOIOCTLCMD;
635 break;
636 }
637 unlock_kernel();
638 return ret;
639 }
640
641 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
642 {
643 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
644 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
645 }
646
647 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
648 {
649 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
650 }
651 #endif
652
653 static ssize_t aac_show_model(struct class_device *class_dev,
654 char *buf)
655 {
656 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
657 int len;
658
659 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
660 char * cp = dev->supplement_adapter_info.AdapterTypeText;
661 while (*cp && *cp != ' ')
662 ++cp;
663 while (*cp == ' ')
664 ++cp;
665 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
666 } else
667 len = snprintf(buf, PAGE_SIZE, "%s\n",
668 aac_drivers[dev->cardtype].model);
669 return len;
670 }
671
672 static ssize_t aac_show_vendor(struct class_device *class_dev,
673 char *buf)
674 {
675 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
676 int len;
677
678 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
679 char * cp = dev->supplement_adapter_info.AdapterTypeText;
680 while (*cp && *cp != ' ')
681 ++cp;
682 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
683 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
684 dev->supplement_adapter_info.AdapterTypeText);
685 } else
686 len = snprintf(buf, PAGE_SIZE, "%s\n",
687 aac_drivers[dev->cardtype].vname);
688 return len;
689 }
690
691 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
692 char *buf)
693 {
694 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
695 int len, tmp;
696
697 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
698 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
699 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
700 le32_to_cpu(dev->adapter_info.kernelbuild));
701 return len;
702 }
703
704 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
705 char *buf)
706 {
707 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
708 int len, tmp;
709
710 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
711 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
712 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
713 le32_to_cpu(dev->adapter_info.monitorbuild));
714 return len;
715 }
716
717 static ssize_t aac_show_bios_version(struct class_device *class_dev,
718 char *buf)
719 {
720 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
721 int len, tmp;
722
723 tmp = le32_to_cpu(dev->adapter_info.biosrev);
724 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
725 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
726 le32_to_cpu(dev->adapter_info.biosbuild));
727 return len;
728 }
729
730 static ssize_t aac_show_serial_number(struct class_device *class_dev,
731 char *buf)
732 {
733 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
734 int len = 0;
735
736 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
737 len = snprintf(buf, PAGE_SIZE, "%x\n",
738 le32_to_cpu(dev->adapter_info.serial[0]));
739 return len;
740 }
741
742 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
743 {
744 return snprintf(buf, PAGE_SIZE, "%d\n",
745 class_to_shost(class_dev)->max_channel);
746 }
747
748 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
749 {
750 return snprintf(buf, PAGE_SIZE, "%d\n",
751 class_to_shost(class_dev)->max_id);
752 }
753
754
755 static struct class_device_attribute aac_model = {
756 .attr = {
757 .name = "model",
758 .mode = S_IRUGO,
759 },
760 .show = aac_show_model,
761 };
762 static struct class_device_attribute aac_vendor = {
763 .attr = {
764 .name = "vendor",
765 .mode = S_IRUGO,
766 },
767 .show = aac_show_vendor,
768 };
769 static struct class_device_attribute aac_kernel_version = {
770 .attr = {
771 .name = "hba_kernel_version",
772 .mode = S_IRUGO,
773 },
774 .show = aac_show_kernel_version,
775 };
776 static struct class_device_attribute aac_monitor_version = {
777 .attr = {
778 .name = "hba_monitor_version",
779 .mode = S_IRUGO,
780 },
781 .show = aac_show_monitor_version,
782 };
783 static struct class_device_attribute aac_bios_version = {
784 .attr = {
785 .name = "hba_bios_version",
786 .mode = S_IRUGO,
787 },
788 .show = aac_show_bios_version,
789 };
790 static struct class_device_attribute aac_serial_number = {
791 .attr = {
792 .name = "serial_number",
793 .mode = S_IRUGO,
794 },
795 .show = aac_show_serial_number,
796 };
797 static struct class_device_attribute aac_max_channel = {
798 .attr = {
799 .name = "max_channel",
800 .mode = S_IRUGO,
801 },
802 .show = aac_show_max_channel,
803 };
804 static struct class_device_attribute aac_max_id = {
805 .attr = {
806 .name = "max_id",
807 .mode = S_IRUGO,
808 },
809 .show = aac_show_max_id,
810 };
811
812 static struct class_device_attribute *aac_attrs[] = {
813 &aac_model,
814 &aac_vendor,
815 &aac_kernel_version,
816 &aac_monitor_version,
817 &aac_bios_version,
818 &aac_serial_number,
819 &aac_max_channel,
820 &aac_max_id,
821 NULL
822 };
823
824
825 static const struct file_operations aac_cfg_fops = {
826 .owner = THIS_MODULE,
827 .ioctl = aac_cfg_ioctl,
828 #ifdef CONFIG_COMPAT
829 .compat_ioctl = aac_compat_cfg_ioctl,
830 #endif
831 .open = aac_cfg_open,
832 };
833
834 static struct scsi_host_template aac_driver_template = {
835 .module = THIS_MODULE,
836 .name = "AAC",
837 .proc_name = AAC_DRIVERNAME,
838 .info = aac_info,
839 .ioctl = aac_ioctl,
840 #ifdef CONFIG_COMPAT
841 .compat_ioctl = aac_compat_ioctl,
842 #endif
843 .queuecommand = aac_queuecommand,
844 .bios_param = aac_biosparm,
845 .shost_attrs = aac_attrs,
846 .slave_configure = aac_slave_configure,
847 .eh_abort_handler = aac_eh_abort,
848 .eh_host_reset_handler = aac_eh_reset,
849 .can_queue = AAC_NUM_IO_FIB,
850 .this_id = MAXIMUM_NUM_CONTAINERS,
851 .sg_tablesize = 16,
852 .max_sectors = 128,
853 #if (AAC_NUM_IO_FIB > 256)
854 .cmd_per_lun = 256,
855 #else
856 .cmd_per_lun = AAC_NUM_IO_FIB,
857 #endif
858 .use_clustering = ENABLE_CLUSTERING,
859 .emulated = 1,
860 };
861
862 static int __devinit aac_probe_one(struct pci_dev *pdev,
863 const struct pci_device_id *id)
864 {
865 unsigned index = id->driver_data;
866 struct Scsi_Host *shost;
867 struct aac_dev *aac;
868 struct list_head *insert = &aac_devices;
869 int error = -ENODEV;
870 int unique_id = 0;
871
872 list_for_each_entry(aac, &aac_devices, entry) {
873 if (aac->id > unique_id)
874 break;
875 insert = &aac->entry;
876 unique_id++;
877 }
878
879 error = pci_enable_device(pdev);
880 if (error)
881 goto out;
882 error = -ENODEV;
883
884 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
885 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
886 goto out_disable_pdev;
887 /*
888 * If the quirk31 bit is set, the adapter needs adapter
889 * to driver communication memory to be allocated below 2gig
890 */
891 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
892 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
893 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
894 goto out_disable_pdev;
895
896 pci_set_master(pdev);
897
898 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
899 if (!shost)
900 goto out_disable_pdev;
901
902 shost->irq = pdev->irq;
903 shost->base = pci_resource_start(pdev, 0);
904 shost->unique_id = unique_id;
905 shost->max_cmd_len = 16;
906
907 aac = (struct aac_dev *)shost->hostdata;
908 aac->scsi_host_ptr = shost;
909 aac->pdev = pdev;
910 aac->name = aac_driver_template.name;
911 aac->id = shost->unique_id;
912 aac->cardtype = index;
913 INIT_LIST_HEAD(&aac->entry);
914
915 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
916 if (!aac->fibs)
917 goto out_free_host;
918 spin_lock_init(&aac->fib_lock);
919
920 /*
921 * Map in the registers from the adapter.
922 */
923 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
924 if ((*aac_drivers[index].init)(aac))
925 goto out_unmap;
926
927 /*
928 * Start any kernel threads needed
929 */
930 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
931 if (IS_ERR(aac->thread)) {
932 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
933 error = PTR_ERR(aac->thread);
934 goto out_deinit;
935 }
936
937 /*
938 * If we had set a smaller DMA mask earlier, set it to 4gig
939 * now since the adapter can dma data to at least a 4gig
940 * address space.
941 */
942 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
943 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
944 goto out_deinit;
945
946 aac->maximum_num_channels = aac_drivers[index].channels;
947 error = aac_get_adapter_info(aac);
948 if (error < 0)
949 goto out_deinit;
950
951 /*
952 * Lets override negotiations and drop the maximum SG limit to 34
953 */
954 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
955 (aac->scsi_host_ptr->sg_tablesize > 34)) {
956 aac->scsi_host_ptr->sg_tablesize = 34;
957 aac->scsi_host_ptr->max_sectors
958 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
959 }
960
961 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
962 (aac->scsi_host_ptr->sg_tablesize > 17)) {
963 aac->scsi_host_ptr->sg_tablesize = 17;
964 aac->scsi_host_ptr->max_sectors
965 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
966 }
967
968 /*
969 * Firware printf works only with older firmware.
970 */
971 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
972 aac->printf_enabled = 1;
973 else
974 aac->printf_enabled = 0;
975
976 /*
977 * max channel will be the physical channels plus 1 virtual channel
978 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
979 * physical channels are address by their actual physical number+1
980 */
981 if ((aac->nondasd_support == 1) || expose_physicals)
982 shost->max_channel = aac->maximum_num_channels;
983 else
984 shost->max_channel = 0;
985
986 aac_get_config_status(aac, 0);
987 aac_get_containers(aac);
988 list_add(&aac->entry, insert);
989
990 shost->max_id = aac->maximum_num_containers;
991 if (shost->max_id < aac->maximum_num_physicals)
992 shost->max_id = aac->maximum_num_physicals;
993 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
994 shost->max_id = MAXIMUM_NUM_CONTAINERS;
995 else
996 shost->this_id = shost->max_id;
997
998 /*
999 * dmb - we may need to move the setting of these parms somewhere else once
1000 * we get a fib that can report the actual numbers
1001 */
1002 shost->max_lun = AAC_MAX_LUN;
1003
1004 pci_set_drvdata(pdev, shost);
1005
1006 error = scsi_add_host(shost, &pdev->dev);
1007 if (error)
1008 goto out_deinit;
1009 scsi_scan_host(shost);
1010
1011 return 0;
1012
1013 out_deinit:
1014 kthread_stop(aac->thread);
1015 aac_send_shutdown(aac);
1016 aac_adapter_disable_int(aac);
1017 free_irq(pdev->irq, aac);
1018 out_unmap:
1019 aac_fib_map_free(aac);
1020 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
1021 kfree(aac->queues);
1022 aac_adapter_ioremap(aac, 0);
1023 kfree(aac->fibs);
1024 kfree(aac->fsa_dev);
1025 out_free_host:
1026 scsi_host_put(shost);
1027 out_disable_pdev:
1028 pci_disable_device(pdev);
1029 out:
1030 return error;
1031 }
1032
1033 static void aac_shutdown(struct pci_dev *dev)
1034 {
1035 struct Scsi_Host *shost = pci_get_drvdata(dev);
1036 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1037 aac_send_shutdown(aac);
1038 }
1039
1040 static void __devexit aac_remove_one(struct pci_dev *pdev)
1041 {
1042 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1043 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1044
1045 scsi_remove_host(shost);
1046
1047 kthread_stop(aac->thread);
1048
1049 aac_send_shutdown(aac);
1050 aac_adapter_disable_int(aac);
1051 aac_fib_map_free(aac);
1052 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1053 aac->comm_phys);
1054 kfree(aac->queues);
1055
1056 free_irq(pdev->irq, aac);
1057 aac_adapter_ioremap(aac, 0);
1058
1059 kfree(aac->fibs);
1060 kfree(aac->fsa_dev);
1061
1062 list_del(&aac->entry);
1063 scsi_host_put(shost);
1064 pci_disable_device(pdev);
1065 if (list_empty(&aac_devices)) {
1066 unregister_chrdev(aac_cfg_major, "aac");
1067 aac_cfg_major = -1;
1068 }
1069 }
1070
1071 static struct pci_driver aac_pci_driver = {
1072 .name = AAC_DRIVERNAME,
1073 .id_table = aac_pci_tbl,
1074 .probe = aac_probe_one,
1075 .remove = __devexit_p(aac_remove_one),
1076 .shutdown = aac_shutdown,
1077 };
1078
1079 static int __init aac_init(void)
1080 {
1081 int error;
1082
1083 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1084 AAC_DRIVERNAME, aac_driver_version);
1085
1086 error = pci_register_driver(&aac_pci_driver);
1087 if (error < 0)
1088 return error;
1089
1090 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1091 if (aac_cfg_major < 0) {
1092 printk(KERN_WARNING
1093 "aacraid: unable to register \"aac\" device.\n");
1094 }
1095
1096 return 0;
1097 }
1098
1099 static void __exit aac_exit(void)
1100 {
1101 if (aac_cfg_major > -1)
1102 unregister_chrdev(aac_cfg_major, "aac");
1103 pci_unregister_driver(&aac_pci_driver);
1104 }
1105
1106 module_init(aac_init);
1107 module_exit(aac_exit);
Linux 2.6 libata-dev (mirror)