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ocfs2: Make the left masklogs compat.
[taoma-kernel.git] / drivers / scsi / aacraid / linit.c
blob2c93d9496d62dae64b4c2aaf0b78e60edc61ba17
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) 2000-2007 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/mutex.h>
42 #include <linux/spinlock.h>
43 #include <linux/syscalls.h>
44 #include <linux/delay.h>
45 #include <linux/kthread.h>
46
47 #include <scsi/scsi.h>
48 #include <scsi/scsi_cmnd.h>
49 #include <scsi/scsi_device.h>
50 #include <scsi/scsi_host.h>
51 #include <scsi/scsi_tcq.h>
52 #include <scsi/scsicam.h>
53 #include <scsi/scsi_eh.h>
54
55 #include "aacraid.h"
56
57 #define AAC_DRIVER_VERSION "1.1-5"
58 #ifndef AAC_DRIVER_BRANCH
59 #define AAC_DRIVER_BRANCH ""
60 #endif
61 #define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
62 #define AAC_DRIVERNAME "aacraid"
63
64 #ifdef AAC_DRIVER_BUILD
65 #define _str(x) #x
66 #define str(x) _str(x)
67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
68 #else
69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
70 #endif
71
72 MODULE_AUTHOR("Red Hat Inc and Adaptec");
73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74 "Adaptec Advanced Raid Products, "
75 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
78
79 static DEFINE_MUTEX(aac_mutex);
80 static LIST_HEAD(aac_devices);
81 static int aac_cfg_major = -1;
82 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
83
84 /*
85 * Because of the way Linux names scsi devices, the order in this table has
86 * become important. Check for on-board Raid first, add-in cards second.
87 *
88 * Note: The last field is used to index into aac_drivers below.
89 */
90 #ifdef DECLARE_PCI_DEVICE_TABLE
91 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
92 #elif defined(__devinitconst)
93 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
94 #else
95 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
96 #endif
97 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
98 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
99 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
100 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
101 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
102 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
103 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
104 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
105 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
106 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
107 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
108 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
109 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
110 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
111 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
112 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
113
114 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
115 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
116 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
117 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
118 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
121 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
122 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
123 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
125 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
126 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
127 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
128 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
129 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
130 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
131 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
132 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
133 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
134 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
135 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
136 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
137 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
138 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
139 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
140 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
141 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
142 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
143 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
144 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
145 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
146 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
147 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
148 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
149 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
150 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
151 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
152
153 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
154 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
155 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
156 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
157 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
158
159 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
160 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
161 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
162 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
163 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
164 { 0,}
165 };
166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168 /*
169 * dmb - For now we add the number of channels to this structure.
170 * In the future we should add a fib that reports the number of channels
171 * for the card. At that time we can remove the channels from here
172 */
173 static struct aac_driver_ident aac_drivers[] = {
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
189 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
190
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
206 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
207 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
209 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
213 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
227
228 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
233
234 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
235 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
239 };
240
241 /**
242 * aac_queuecommand - queue a SCSI command
243 * @cmd: SCSI command to queue
244 * @done: Function to call on command completion
245 *
246 * Queues a command for execution by the associated Host Adapter.
247 *
248 * TODO: unify with aac_scsi_cmd().
249 */
250
251 static int aac_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
252 {
253 struct Scsi_Host *host = cmd->device->host;
254 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
255 u32 count = 0;
256 cmd->scsi_done = done;
257 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
258 struct fib * fib = &dev->fibs[count];
259 struct scsi_cmnd * command;
260 if (fib->hw_fib_va->header.XferState &&
261 ((command = fib->callback_data)) &&
262 (command == cmd) &&
263 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
264 return 0; /* Already owned by Adapter */
265 }
266 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
267 return (aac_scsi_cmd(cmd) ? FAILED : 0);
268 }
269
270 static DEF_SCSI_QCMD(aac_queuecommand)
271
272 /**
273 * aac_info - Returns the host adapter name
274 * @shost: Scsi host to report on
275 *
276 * Returns a static string describing the device in question
277 */
278
279 static const char *aac_info(struct Scsi_Host *shost)
280 {
281 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
282 return aac_drivers[dev->cardtype].name;
283 }
284
285 /**
286 * aac_get_driver_ident
287 * @devtype: index into lookup table
288 *
289 * Returns a pointer to the entry in the driver lookup table.
290 */
291
292 struct aac_driver_ident* aac_get_driver_ident(int devtype)
293 {
294 return &aac_drivers[devtype];
295 }
296
297 /**
298 * aac_biosparm - return BIOS parameters for disk
299 * @sdev: The scsi device corresponding to the disk
300 * @bdev: the block device corresponding to the disk
301 * @capacity: the sector capacity of the disk
302 * @geom: geometry block to fill in
303 *
304 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
305 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
306 * number of cylinders so as not to exceed drive capacity. In order for
307 * disks equal to or larger than 1 GB to be addressable by the BIOS
308 * without exceeding the BIOS limitation of 1024 cylinders, Extended
309 * Translation should be enabled. With Extended Translation enabled,
310 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
311 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
312 * are given a disk geometry of 255 heads and 63 sectors. However, if
313 * the BIOS detects that the Extended Translation setting does not match
314 * the geometry in the partition table, then the translation inferred
315 * from the partition table will be used by the BIOS, and a warning may
316 * be displayed.
317 */
318
319 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
320 sector_t capacity, int *geom)
321 {
322 struct diskparm *param = (struct diskparm *)geom;
323 unsigned char *buf;
324
325 dprintk((KERN_DEBUG "aac_biosparm.\n"));
326
327 /*
328 * Assuming extended translation is enabled - #REVISIT#
329 */
330 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
331 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
332 param->heads = 255;
333 param->sectors = 63;
334 } else {
335 param->heads = 128;
336 param->sectors = 32;
337 }
338 } else {
339 param->heads = 64;
340 param->sectors = 32;
341 }
342
343 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
344
345 /*
346 * Read the first 1024 bytes from the disk device, if the boot
347 * sector partition table is valid, search for a partition table
348 * entry whose end_head matches one of the standard geometry
349 * translations ( 64/32, 128/32, 255/63 ).
350 */
351 buf = scsi_bios_ptable(bdev);
352 if (!buf)
353 return 0;
354 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
355 struct partition *first = (struct partition * )buf;
356 struct partition *entry = first;
357 int saved_cylinders = param->cylinders;
358 int num;
359 unsigned char end_head, end_sec;
360
361 for(num = 0; num < 4; num++) {
362 end_head = entry->end_head;
363 end_sec = entry->end_sector & 0x3f;
364
365 if(end_head == 63) {
366 param->heads = 64;
367 param->sectors = 32;
368 break;
369 } else if(end_head == 127) {
370 param->heads = 128;
371 param->sectors = 32;
372 break;
373 } else if(end_head == 254) {
374 param->heads = 255;
375 param->sectors = 63;
376 break;
377 }
378 entry++;
379 }
380
381 if (num == 4) {
382 end_head = first->end_head;
383 end_sec = first->end_sector & 0x3f;
384 }
385
386 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
387 if (num < 4 && end_sec == param->sectors) {
388 if (param->cylinders != saved_cylinders)
389 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
390 param->heads, param->sectors, num));
391 } else if (end_head > 0 || end_sec > 0) {
392 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
393 end_head + 1, end_sec, num));
394 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
395 param->heads, param->sectors));
396 }
397 }
398 kfree(buf);
399 return 0;
400 }
401
402 /**
403 * aac_slave_configure - compute queue depths
404 * @sdev: SCSI device we are considering
405 *
406 * Selects queue depths for each target device based on the host adapter's
407 * total capacity and the queue depth supported by the target device.
408 * A queue depth of one automatically disables tagged queueing.
409 */
410
411 static int aac_slave_configure(struct scsi_device *sdev)
412 {
413 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
414 if (aac->jbod && (sdev->type == TYPE_DISK))
415 sdev->removable = 1;
416 if ((sdev->type == TYPE_DISK) &&
417 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
418 (!aac->jbod || sdev->inq_periph_qual) &&
419 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
420 if (expose_physicals == 0)
421 return -ENXIO;
422 if (expose_physicals < 0)
423 sdev->no_uld_attach = 1;
424 }
425 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
426 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
427 !sdev->no_uld_attach) {
428 struct scsi_device * dev;
429 struct Scsi_Host *host = sdev->host;
430 unsigned num_lsu = 0;
431 unsigned num_one = 0;
432 unsigned depth;
433 unsigned cid;
434
435 /*
436 * Firmware has an individual device recovery time typically
437 * of 35 seconds, give us a margin.
438 */
439 if (sdev->request_queue->rq_timeout < (45 * HZ))
440 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
441 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
442 if (aac->fsa_dev[cid].valid)
443 ++num_lsu;
444 __shost_for_each_device(dev, host) {
445 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
446 (!aac->raid_scsi_mode ||
447 (sdev_channel(sdev) != 2)) &&
448 !dev->no_uld_attach) {
449 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
450 || !aac->fsa_dev[sdev_id(dev)].valid)
451 ++num_lsu;
452 } else
453 ++num_one;
454 }
455 if (num_lsu == 0)
456 ++num_lsu;
457 depth = (host->can_queue - num_one) / num_lsu;
458 if (depth > 256)
459 depth = 256;
460 else if (depth < 2)
461 depth = 2;
462 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
463 } else
464 scsi_adjust_queue_depth(sdev, 0, 1);
465
466 return 0;
467 }
468
469 /**
470 * aac_change_queue_depth - alter queue depths
471 * @sdev: SCSI device we are considering
472 * @depth: desired queue depth
473 *
474 * Alters queue depths for target device based on the host adapter's
475 * total capacity and the queue depth supported by the target device.
476 */
477
478 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
479 int reason)
480 {
481 if (reason != SCSI_QDEPTH_DEFAULT)
482 return -EOPNOTSUPP;
483
484 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
485 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
486 struct scsi_device * dev;
487 struct Scsi_Host *host = sdev->host;
488 unsigned num = 0;
489
490 __shost_for_each_device(dev, host) {
491 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
492 (sdev_channel(dev) == CONTAINER_CHANNEL))
493 ++num;
494 ++num;
495 }
496 if (num >= host->can_queue)
497 num = host->can_queue - 1;
498 if (depth > (host->can_queue - num))
499 depth = host->can_queue - num;
500 if (depth > 256)
501 depth = 256;
502 else if (depth < 2)
503 depth = 2;
504 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
505 } else
506 scsi_adjust_queue_depth(sdev, 0, 1);
507 return sdev->queue_depth;
508 }
509
510 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
511 {
512 struct scsi_device *sdev = to_scsi_device(dev);
513 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
514 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
515 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
516 ? "Hidden\n" :
517 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
518 return snprintf(buf, PAGE_SIZE, "%s\n",
519 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
520 }
521
522 static struct device_attribute aac_raid_level_attr = {
523 .attr = {
524 .name = "level",
525 .mode = S_IRUGO,
526 },
527 .show = aac_show_raid_level
528 };
529
530 static struct device_attribute *aac_dev_attrs[] = {
531 &aac_raid_level_attr,
532 NULL,
533 };
534
535 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
536 {
537 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
538 if (!capable(CAP_SYS_RAWIO))
539 return -EPERM;
540 return aac_do_ioctl(dev, cmd, arg);
541 }
542
543 static int aac_eh_abort(struct scsi_cmnd* cmd)
544 {
545 struct scsi_device * dev = cmd->device;
546 struct Scsi_Host * host = dev->host;
547 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
548 int count;
549 int ret = FAILED;
550
551 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
552 AAC_DRIVERNAME,
553 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
554 switch (cmd->cmnd[0]) {
555 case SERVICE_ACTION_IN:
556 if (!(aac->raw_io_interface) ||
557 !(aac->raw_io_64) ||
558 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
559 break;
560 case INQUIRY:
561 case READ_CAPACITY:
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 fib * fib = &aac->fibs[count];
565 if (fib->hw_fib_va->header.XferState &&
566 (fib->flags & FIB_CONTEXT_FLAG) &&
567 (fib->callback_data == cmd)) {
568 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
569 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
570 ret = SUCCESS;
571 }
572 }
573 break;
574 case TEST_UNIT_READY:
575 /* Mark associated FIB to not complete, eh handler does this */
576 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
577 struct scsi_cmnd * command;
578 struct fib * fib = &aac->fibs[count];
579 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
580 (fib->flags & FIB_CONTEXT_FLAG) &&
581 ((command = fib->callback_data)) &&
582 (command->device == cmd->device)) {
583 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
584 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
585 if (command == cmd)
586 ret = SUCCESS;
587 }
588 }
589 }
590 return ret;
591 }
592
593 /*
594 * aac_eh_reset - Reset command handling
595 * @scsi_cmd: SCSI command block causing the reset
596 *
597 */
598 static int aac_eh_reset(struct scsi_cmnd* cmd)
599 {
600 struct scsi_device * dev = cmd->device;
601 struct Scsi_Host * host = dev->host;
602 struct scsi_cmnd * command;
603 int count;
604 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
605 unsigned long flags;
606
607 /* Mark the associated FIB to not complete, eh handler does this */
608 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
609 struct fib * fib = &aac->fibs[count];
610 if (fib->hw_fib_va->header.XferState &&
611 (fib->flags & FIB_CONTEXT_FLAG) &&
612 (fib->callback_data == cmd)) {
613 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
614 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
615 }
616 }
617 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
618 AAC_DRIVERNAME);
619
620 if ((count = aac_check_health(aac)))
621 return count;
622 /*
623 * Wait for all commands to complete to this specific
624 * target (block maximum 60 seconds).
625 */
626 for (count = 60; count; --count) {
627 int active = aac->in_reset;
628
629 if (active == 0)
630 __shost_for_each_device(dev, host) {
631 spin_lock_irqsave(&dev->list_lock, flags);
632 list_for_each_entry(command, &dev->cmd_list, list) {
633 if ((command != cmd) &&
634 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
635 active++;
636 break;
637 }
638 }
639 spin_unlock_irqrestore(&dev->list_lock, flags);
640 if (active)
641 break;
642
643 }
644 /*
645 * We can exit If all the commands are complete
646 */
647 if (active == 0)
648 return SUCCESS;
649 ssleep(1);
650 }
651 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
652 /*
653 * This adapter needs a blind reset, only do so for Adapters that
654 * support a register, instead of a commanded, reset.
655 */
656 if ((aac->supplement_adapter_info.SupportedOptions2 &
657 AAC_OPTION_MU_RESET) &&
658 aac_check_reset &&
659 ((aac_check_reset != 1) ||
660 !(aac->supplement_adapter_info.SupportedOptions2 &
661 AAC_OPTION_IGNORE_RESET)))
662 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
663 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
664 }
665
666 /**
667 * aac_cfg_open - open a configuration file
668 * @inode: inode being opened
669 * @file: file handle attached
670 *
671 * Called when the configuration device is opened. Does the needed
672 * set up on the handle and then returns
673 *
674 * Bugs: This needs extending to check a given adapter is present
675 * so we can support hot plugging, and to ref count adapters.
676 */
677
678 static int aac_cfg_open(struct inode *inode, struct file *file)
679 {
680 struct aac_dev *aac;
681 unsigned minor_number = iminor(inode);
682 int err = -ENODEV;
683
684 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
685 list_for_each_entry(aac, &aac_devices, entry) {
686 if (aac->id == minor_number) {
687 file->private_data = aac;
688 err = 0;
689 break;
690 }
691 }
692 mutex_unlock(&aac_mutex);
693
694 return err;
695 }
696
697 /**
698 * aac_cfg_ioctl - AAC configuration request
699 * @inode: inode of device
700 * @file: file handle
701 * @cmd: ioctl command code
702 * @arg: argument
703 *
704 * Handles a configuration ioctl. Currently this involves wrapping it
705 * up and feeding it into the nasty windowsalike glue layer.
706 *
707 * Bugs: Needs locking against parallel ioctls lower down
708 * Bugs: Needs to handle hot plugging
709 */
710
711 static long aac_cfg_ioctl(struct file *file,
712 unsigned int cmd, unsigned long arg)
713 {
714 int ret;
715 if (!capable(CAP_SYS_RAWIO))
716 return -EPERM;
717 mutex_lock(&aac_mutex);
718 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
719 mutex_unlock(&aac_mutex);
720
721 return ret;
722 }
723
724 #ifdef CONFIG_COMPAT
725 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
726 {
727 long ret;
728 mutex_lock(&aac_mutex);
729 switch (cmd) {
730 case FSACTL_MINIPORT_REV_CHECK:
731 case FSACTL_SENDFIB:
732 case FSACTL_OPEN_GET_ADAPTER_FIB:
733 case FSACTL_CLOSE_GET_ADAPTER_FIB:
734 case FSACTL_SEND_RAW_SRB:
735 case FSACTL_GET_PCI_INFO:
736 case FSACTL_QUERY_DISK:
737 case FSACTL_DELETE_DISK:
738 case FSACTL_FORCE_DELETE_DISK:
739 case FSACTL_GET_CONTAINERS:
740 case FSACTL_SEND_LARGE_FIB:
741 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
742 break;
743
744 case FSACTL_GET_NEXT_ADAPTER_FIB: {
745 struct fib_ioctl __user *f;
746
747 f = compat_alloc_user_space(sizeof(*f));
748 ret = 0;
749 if (clear_user(f, sizeof(*f)))
750 ret = -EFAULT;
751 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
752 ret = -EFAULT;
753 if (!ret)
754 ret = aac_do_ioctl(dev, cmd, f);
755 break;
756 }
757
758 default:
759 ret = -ENOIOCTLCMD;
760 break;
761 }
762 mutex_unlock(&aac_mutex);
763 return ret;
764 }
765
766 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
767 {
768 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
769 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
770 }
771
772 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
773 {
774 if (!capable(CAP_SYS_RAWIO))
775 return -EPERM;
776 return aac_compat_do_ioctl(file->private_data, cmd, arg);
777 }
778 #endif
779
780 static ssize_t aac_show_model(struct device *device,
781 struct device_attribute *attr, char *buf)
782 {
783 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
784 int len;
785
786 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
787 char * cp = dev->supplement_adapter_info.AdapterTypeText;
788 while (*cp && *cp != ' ')
789 ++cp;
790 while (*cp == ' ')
791 ++cp;
792 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
793 } else
794 len = snprintf(buf, PAGE_SIZE, "%s\n",
795 aac_drivers[dev->cardtype].model);
796 return len;
797 }
798
799 static ssize_t aac_show_vendor(struct device *device,
800 struct device_attribute *attr, char *buf)
801 {
802 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
803 int len;
804
805 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
806 char * cp = dev->supplement_adapter_info.AdapterTypeText;
807 while (*cp && *cp != ' ')
808 ++cp;
809 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
810 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
811 dev->supplement_adapter_info.AdapterTypeText);
812 } else
813 len = snprintf(buf, PAGE_SIZE, "%s\n",
814 aac_drivers[dev->cardtype].vname);
815 return len;
816 }
817
818 static ssize_t aac_show_flags(struct device *cdev,
819 struct device_attribute *attr, char *buf)
820 {
821 int len = 0;
822 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
823
824 if (nblank(dprintk(x)))
825 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
826 #ifdef AAC_DETAILED_STATUS_INFO
827 len += snprintf(buf + len, PAGE_SIZE - len,
828 "AAC_DETAILED_STATUS_INFO\n");
829 #endif
830 if (dev->raw_io_interface && dev->raw_io_64)
831 len += snprintf(buf + len, PAGE_SIZE - len,
832 "SAI_READ_CAPACITY_16\n");
833 if (dev->jbod)
834 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
835 if (dev->supplement_adapter_info.SupportedOptions2 &
836 AAC_OPTION_POWER_MANAGEMENT)
837 len += snprintf(buf + len, PAGE_SIZE - len,
838 "SUPPORTED_POWER_MANAGEMENT\n");
839 if (dev->msi)
840 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
841 return len;
842 }
843
844 static ssize_t aac_show_kernel_version(struct device *device,
845 struct device_attribute *attr,
846 char *buf)
847 {
848 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
849 int len, tmp;
850
851 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
852 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
853 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
854 le32_to_cpu(dev->adapter_info.kernelbuild));
855 return len;
856 }
857
858 static ssize_t aac_show_monitor_version(struct device *device,
859 struct device_attribute *attr,
860 char *buf)
861 {
862 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
863 int len, tmp;
864
865 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
866 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
867 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
868 le32_to_cpu(dev->adapter_info.monitorbuild));
869 return len;
870 }
871
872 static ssize_t aac_show_bios_version(struct device *device,
873 struct device_attribute *attr,
874 char *buf)
875 {
876 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
877 int len, tmp;
878
879 tmp = le32_to_cpu(dev->adapter_info.biosrev);
880 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
881 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
882 le32_to_cpu(dev->adapter_info.biosbuild));
883 return len;
884 }
885
886 static ssize_t aac_show_serial_number(struct device *device,
887 struct device_attribute *attr, char *buf)
888 {
889 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
890 int len = 0;
891
892 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
893 len = snprintf(buf, PAGE_SIZE, "%06X\n",
894 le32_to_cpu(dev->adapter_info.serial[0]));
895 if (len &&
896 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
897 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
898 buf, len-1))
899 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
900 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
901 dev->supplement_adapter_info.MfgPcbaSerialNo);
902 return len;
903 }
904
905 static ssize_t aac_show_max_channel(struct device *device,
906 struct device_attribute *attr, char *buf)
907 {
908 return snprintf(buf, PAGE_SIZE, "%d\n",
909 class_to_shost(device)->max_channel);
910 }
911
912 static ssize_t aac_show_max_id(struct device *device,
913 struct device_attribute *attr, char *buf)
914 {
915 return snprintf(buf, PAGE_SIZE, "%d\n",
916 class_to_shost(device)->max_id);
917 }
918
919 static ssize_t aac_store_reset_adapter(struct device *device,
920 struct device_attribute *attr,
921 const char *buf, size_t count)
922 {
923 int retval = -EACCES;
924
925 if (!capable(CAP_SYS_ADMIN))
926 return retval;
927 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
928 if (retval >= 0)
929 retval = count;
930 return retval;
931 }
932
933 static ssize_t aac_show_reset_adapter(struct device *device,
934 struct device_attribute *attr,
935 char *buf)
936 {
937 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
938 int len, tmp;
939
940 tmp = aac_adapter_check_health(dev);
941 if ((tmp == 0) && dev->in_reset)
942 tmp = -EBUSY;
943 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
944 return len;
945 }
946
947 static struct device_attribute aac_model = {
948 .attr = {
949 .name = "model",
950 .mode = S_IRUGO,
951 },
952 .show = aac_show_model,
953 };
954 static struct device_attribute aac_vendor = {
955 .attr = {
956 .name = "vendor",
957 .mode = S_IRUGO,
958 },
959 .show = aac_show_vendor,
960 };
961 static struct device_attribute aac_flags = {
962 .attr = {
963 .name = "flags",
964 .mode = S_IRUGO,
965 },
966 .show = aac_show_flags,
967 };
968 static struct device_attribute aac_kernel_version = {
969 .attr = {
970 .name = "hba_kernel_version",
971 .mode = S_IRUGO,
972 },
973 .show = aac_show_kernel_version,
974 };
975 static struct device_attribute aac_monitor_version = {
976 .attr = {
977 .name = "hba_monitor_version",
978 .mode = S_IRUGO,
979 },
980 .show = aac_show_monitor_version,
981 };
982 static struct device_attribute aac_bios_version = {
983 .attr = {
984 .name = "hba_bios_version",
985 .mode = S_IRUGO,
986 },
987 .show = aac_show_bios_version,
988 };
989 static struct device_attribute aac_serial_number = {
990 .attr = {
991 .name = "serial_number",
992 .mode = S_IRUGO,
993 },
994 .show = aac_show_serial_number,
995 };
996 static struct device_attribute aac_max_channel = {
997 .attr = {
998 .name = "max_channel",
999 .mode = S_IRUGO,
1000 },
1001 .show = aac_show_max_channel,
1002 };
1003 static struct device_attribute aac_max_id = {
1004 .attr = {
1005 .name = "max_id",
1006 .mode = S_IRUGO,
1007 },
1008 .show = aac_show_max_id,
1009 };
1010 static struct device_attribute aac_reset = {
1011 .attr = {
1012 .name = "reset_host",
1013 .mode = S_IWUSR|S_IRUGO,
1014 },
1015 .store = aac_store_reset_adapter,
1016 .show = aac_show_reset_adapter,
1017 };
1018
1019 static struct device_attribute *aac_attrs[] = {
1020 &aac_model,
1021 &aac_vendor,
1022 &aac_flags,
1023 &aac_kernel_version,
1024 &aac_monitor_version,
1025 &aac_bios_version,
1026 &aac_serial_number,
1027 &aac_max_channel,
1028 &aac_max_id,
1029 &aac_reset,
1030 NULL
1031 };
1032
1033 ssize_t aac_get_serial_number(struct device *device, char *buf)
1034 {
1035 return aac_show_serial_number(device, &aac_serial_number, buf);
1036 }
1037
1038 static const struct file_operations aac_cfg_fops = {
1039 .owner = THIS_MODULE,
1040 .unlocked_ioctl = aac_cfg_ioctl,
1041 #ifdef CONFIG_COMPAT
1042 .compat_ioctl = aac_compat_cfg_ioctl,
1043 #endif
1044 .open = aac_cfg_open,
1045 .llseek = noop_llseek,
1046 };
1047
1048 static struct scsi_host_template aac_driver_template = {
1049 .module = THIS_MODULE,
1050 .name = "AAC",
1051 .proc_name = AAC_DRIVERNAME,
1052 .info = aac_info,
1053 .ioctl = aac_ioctl,
1054 #ifdef CONFIG_COMPAT
1055 .compat_ioctl = aac_compat_ioctl,
1056 #endif
1057 .queuecommand = aac_queuecommand,
1058 .bios_param = aac_biosparm,
1059 .shost_attrs = aac_attrs,
1060 .slave_configure = aac_slave_configure,
1061 .change_queue_depth = aac_change_queue_depth,
1062 .sdev_attrs = aac_dev_attrs,
1063 .eh_abort_handler = aac_eh_abort,
1064 .eh_host_reset_handler = aac_eh_reset,
1065 .can_queue = AAC_NUM_IO_FIB,
1066 .this_id = MAXIMUM_NUM_CONTAINERS,
1067 .sg_tablesize = 16,
1068 .max_sectors = 128,
1069 #if (AAC_NUM_IO_FIB > 256)
1070 .cmd_per_lun = 256,
1071 #else
1072 .cmd_per_lun = AAC_NUM_IO_FIB,
1073 #endif
1074 .use_clustering = ENABLE_CLUSTERING,
1075 .emulated = 1,
1076 };
1077
1078 static void __aac_shutdown(struct aac_dev * aac)
1079 {
1080 if (aac->aif_thread)
1081 kthread_stop(aac->thread);
1082 aac_send_shutdown(aac);
1083 aac_adapter_disable_int(aac);
1084 free_irq(aac->pdev->irq, aac);
1085 if (aac->msi)
1086 pci_disable_msi(aac->pdev);
1087 }
1088
1089 static int __devinit aac_probe_one(struct pci_dev *pdev,
1090 const struct pci_device_id *id)
1091 {
1092 unsigned index = id->driver_data;
1093 struct Scsi_Host *shost;
1094 struct aac_dev *aac;
1095 struct list_head *insert = &aac_devices;
1096 int error = -ENODEV;
1097 int unique_id = 0;
1098 u64 dmamask;
1099
1100 list_for_each_entry(aac, &aac_devices, entry) {
1101 if (aac->id > unique_id)
1102 break;
1103 insert = &aac->entry;
1104 unique_id++;
1105 }
1106
1107 error = pci_enable_device(pdev);
1108 if (error)
1109 goto out;
1110 error = -ENODEV;
1111
1112 /*
1113 * If the quirk31 bit is set, the adapter needs adapter
1114 * to driver communication memory to be allocated below 2gig
1115 */
1116 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1117 dmamask = DMA_BIT_MASK(31);
1118 else
1119 dmamask = DMA_BIT_MASK(32);
1120
1121 if (pci_set_dma_mask(pdev, dmamask) ||
1122 pci_set_consistent_dma_mask(pdev, dmamask))
1123 goto out_disable_pdev;
1124
1125 pci_set_master(pdev);
1126
1127 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1128 if (!shost)
1129 goto out_disable_pdev;
1130
1131 shost->irq = pdev->irq;
1132 shost->base = pci_resource_start(pdev, 0);
1133 shost->unique_id = unique_id;
1134 shost->max_cmd_len = 16;
1135
1136 aac = (struct aac_dev *)shost->hostdata;
1137 aac->scsi_host_ptr = shost;
1138 aac->pdev = pdev;
1139 aac->name = aac_driver_template.name;
1140 aac->id = shost->unique_id;
1141 aac->cardtype = index;
1142 INIT_LIST_HEAD(&aac->entry);
1143
1144 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1145 if (!aac->fibs)
1146 goto out_free_host;
1147 spin_lock_init(&aac->fib_lock);
1148
1149 /*
1150 * Map in the registers from the adapter.
1151 */
1152 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1153 if ((*aac_drivers[index].init)(aac))
1154 goto out_unmap;
1155
1156 /*
1157 * Start any kernel threads needed
1158 */
1159 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1160 if (IS_ERR(aac->thread)) {
1161 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1162 error = PTR_ERR(aac->thread);
1163 goto out_deinit;
1164 }
1165
1166 /*
1167 * If we had set a smaller DMA mask earlier, set it to 4gig
1168 * now since the adapter can dma data to at least a 4gig
1169 * address space.
1170 */
1171 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1172 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1173 goto out_deinit;
1174
1175 aac->maximum_num_channels = aac_drivers[index].channels;
1176 error = aac_get_adapter_info(aac);
1177 if (error < 0)
1178 goto out_deinit;
1179
1180 /*
1181 * Lets override negotiations and drop the maximum SG limit to 34
1182 */
1183 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1184 (shost->sg_tablesize > 34)) {
1185 shost->sg_tablesize = 34;
1186 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1187 }
1188
1189 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1190 (shost->sg_tablesize > 17)) {
1191 shost->sg_tablesize = 17;
1192 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1193 }
1194
1195 error = pci_set_dma_max_seg_size(pdev,
1196 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1197 (shost->max_sectors << 9) : 65536);
1198 if (error)
1199 goto out_deinit;
1200
1201 /*
1202 * Firmware printf works only with older firmware.
1203 */
1204 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1205 aac->printf_enabled = 1;
1206 else
1207 aac->printf_enabled = 0;
1208
1209 /*
1210 * max channel will be the physical channels plus 1 virtual channel
1211 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1212 * physical channels are address by their actual physical number+1
1213 */
1214 if (aac->nondasd_support || expose_physicals || aac->jbod)
1215 shost->max_channel = aac->maximum_num_channels;
1216 else
1217 shost->max_channel = 0;
1218
1219 aac_get_config_status(aac, 0);
1220 aac_get_containers(aac);
1221 list_add(&aac->entry, insert);
1222
1223 shost->max_id = aac->maximum_num_containers;
1224 if (shost->max_id < aac->maximum_num_physicals)
1225 shost->max_id = aac->maximum_num_physicals;
1226 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1227 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1228 else
1229 shost->this_id = shost->max_id;
1230
1231 /*
1232 * dmb - we may need to move the setting of these parms somewhere else once
1233 * we get a fib that can report the actual numbers
1234 */
1235 shost->max_lun = AAC_MAX_LUN;
1236
1237 pci_set_drvdata(pdev, shost);
1238
1239 error = scsi_add_host(shost, &pdev->dev);
1240 if (error)
1241 goto out_deinit;
1242 scsi_scan_host(shost);
1243
1244 return 0;
1245
1246 out_deinit:
1247 __aac_shutdown(aac);
1248 out_unmap:
1249 aac_fib_map_free(aac);
1250 if (aac->comm_addr)
1251 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1252 aac->comm_phys);
1253 kfree(aac->queues);
1254 aac_adapter_ioremap(aac, 0);
1255 kfree(aac->fibs);
1256 kfree(aac->fsa_dev);
1257 out_free_host:
1258 scsi_host_put(shost);
1259 out_disable_pdev:
1260 pci_disable_device(pdev);
1261 out:
1262 return error;
1263 }
1264
1265 static void aac_shutdown(struct pci_dev *dev)
1266 {
1267 struct Scsi_Host *shost = pci_get_drvdata(dev);
1268 scsi_block_requests(shost);
1269 __aac_shutdown((struct aac_dev *)shost->hostdata);
1270 }
1271
1272 static void __devexit aac_remove_one(struct pci_dev *pdev)
1273 {
1274 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1275 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1276
1277 scsi_remove_host(shost);
1278
1279 __aac_shutdown(aac);
1280 aac_fib_map_free(aac);
1281 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1282 aac->comm_phys);
1283 kfree(aac->queues);
1284
1285 aac_adapter_ioremap(aac, 0);
1286
1287 kfree(aac->fibs);
1288 kfree(aac->fsa_dev);
1289
1290 list_del(&aac->entry);
1291 scsi_host_put(shost);
1292 pci_disable_device(pdev);
1293 if (list_empty(&aac_devices)) {
1294 unregister_chrdev(aac_cfg_major, "aac");
1295 aac_cfg_major = -1;
1296 }
1297 }
1298
1299 static struct pci_driver aac_pci_driver = {
1300 .name = AAC_DRIVERNAME,
1301 .id_table = aac_pci_tbl,
1302 .probe = aac_probe_one,
1303 .remove = __devexit_p(aac_remove_one),
1304 .shutdown = aac_shutdown,
1305 };
1306
1307 static int __init aac_init(void)
1308 {
1309 int error;
1310
1311 printk(KERN_INFO "Adaptec %s driver %s\n",
1312 AAC_DRIVERNAME, aac_driver_version);
1313
1314 error = pci_register_driver(&aac_pci_driver);
1315 if (error < 0)
1316 return error;
1317
1318 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1319 if (aac_cfg_major < 0) {
1320 printk(KERN_WARNING
1321 "aacraid: unable to register \"aac\" device.\n");
1322 }
1323
1324 return 0;
1325 }
1326
1327 static void __exit aac_exit(void)
1328 {
1329 if (aac_cfg_major > -1)
1330 unregister_chrdev(aac_cfg_major, "aac");
1331 pci_unregister_driver(&aac_pci_driver);
1332 }
1333
1334 module_init(aac_init);
1335 module_exit(aac_exit);
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