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[mirror_ubuntu-artful-kernel.git] / drivers / scsi / aacraid / linit.c
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(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 /**
271 * aac_info - Returns the host adapter name
272 * @shost: Scsi host to report on
273 *
274 * Returns a static string describing the device in question
275 */
276
277 static const char *aac_info(struct Scsi_Host *shost)
278 {
279 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
280 return aac_drivers[dev->cardtype].name;
281 }
282
283 /**
284 * aac_get_driver_ident
285 * @devtype: index into lookup table
286 *
287 * Returns a pointer to the entry in the driver lookup table.
288 */
289
290 struct aac_driver_ident* aac_get_driver_ident(int devtype)
291 {
292 return &aac_drivers[devtype];
293 }
294
295 /**
296 * aac_biosparm - return BIOS parameters for disk
297 * @sdev: The scsi device corresponding to the disk
298 * @bdev: the block device corresponding to the disk
299 * @capacity: the sector capacity of the disk
300 * @geom: geometry block to fill in
301 *
302 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
303 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
304 * number of cylinders so as not to exceed drive capacity. In order for
305 * disks equal to or larger than 1 GB to be addressable by the BIOS
306 * without exceeding the BIOS limitation of 1024 cylinders, Extended
307 * Translation should be enabled. With Extended Translation enabled,
308 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
309 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
310 * are given a disk geometry of 255 heads and 63 sectors. However, if
311 * the BIOS detects that the Extended Translation setting does not match
312 * the geometry in the partition table, then the translation inferred
313 * from the partition table will be used by the BIOS, and a warning may
314 * be displayed.
315 */
316
317 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
318 sector_t capacity, int *geom)
319 {
320 struct diskparm *param = (struct diskparm *)geom;
321 unsigned char *buf;
322
323 dprintk((KERN_DEBUG "aac_biosparm.\n"));
324
325 /*
326 * Assuming extended translation is enabled - #REVISIT#
327 */
328 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
329 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
330 param->heads = 255;
331 param->sectors = 63;
332 } else {
333 param->heads = 128;
334 param->sectors = 32;
335 }
336 } else {
337 param->heads = 64;
338 param->sectors = 32;
339 }
340
341 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
342
343 /*
344 * Read the first 1024 bytes from the disk device, if the boot
345 * sector partition table is valid, search for a partition table
346 * entry whose end_head matches one of the standard geometry
347 * translations ( 64/32, 128/32, 255/63 ).
348 */
349 buf = scsi_bios_ptable(bdev);
350 if (!buf)
351 return 0;
352 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
353 struct partition *first = (struct partition * )buf;
354 struct partition *entry = first;
355 int saved_cylinders = param->cylinders;
356 int num;
357 unsigned char end_head, end_sec;
358
359 for(num = 0; num < 4; num++) {
360 end_head = entry->end_head;
361 end_sec = entry->end_sector & 0x3f;
362
363 if(end_head == 63) {
364 param->heads = 64;
365 param->sectors = 32;
366 break;
367 } else if(end_head == 127) {
368 param->heads = 128;
369 param->sectors = 32;
370 break;
371 } else if(end_head == 254) {
372 param->heads = 255;
373 param->sectors = 63;
374 break;
375 }
376 entry++;
377 }
378
379 if (num == 4) {
380 end_head = first->end_head;
381 end_sec = first->end_sector & 0x3f;
382 }
383
384 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
385 if (num < 4 && end_sec == param->sectors) {
386 if (param->cylinders != saved_cylinders)
387 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
388 param->heads, param->sectors, num));
389 } else if (end_head > 0 || end_sec > 0) {
390 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
391 end_head + 1, end_sec, num));
392 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
393 param->heads, param->sectors));
394 }
395 }
396 kfree(buf);
397 return 0;
398 }
399
400 /**
401 * aac_slave_configure - compute queue depths
402 * @sdev: SCSI device we are considering
403 *
404 * Selects queue depths for each target device based on the host adapter's
405 * total capacity and the queue depth supported by the target device.
406 * A queue depth of one automatically disables tagged queueing.
407 */
408
409 static int aac_slave_configure(struct scsi_device *sdev)
410 {
411 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
412 if (aac->jbod && (sdev->type == TYPE_DISK))
413 sdev->removable = 1;
414 if ((sdev->type == TYPE_DISK) &&
415 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
416 (!aac->jbod || sdev->inq_periph_qual) &&
417 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
418 if (expose_physicals == 0)
419 return -ENXIO;
420 if (expose_physicals < 0)
421 sdev->no_uld_attach = 1;
422 }
423 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
424 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
425 !sdev->no_uld_attach) {
426 struct scsi_device * dev;
427 struct Scsi_Host *host = sdev->host;
428 unsigned num_lsu = 0;
429 unsigned num_one = 0;
430 unsigned depth;
431 unsigned cid;
432
433 /*
434 * Firmware has an individual device recovery time typically
435 * of 35 seconds, give us a margin.
436 */
437 if (sdev->request_queue->rq_timeout < (45 * HZ))
438 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
439 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
440 if (aac->fsa_dev[cid].valid)
441 ++num_lsu;
442 __shost_for_each_device(dev, host) {
443 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
444 (!aac->raid_scsi_mode ||
445 (sdev_channel(sdev) != 2)) &&
446 !dev->no_uld_attach) {
447 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
448 || !aac->fsa_dev[sdev_id(dev)].valid)
449 ++num_lsu;
450 } else
451 ++num_one;
452 }
453 if (num_lsu == 0)
454 ++num_lsu;
455 depth = (host->can_queue - num_one) / num_lsu;
456 if (depth > 256)
457 depth = 256;
458 else if (depth < 2)
459 depth = 2;
460 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
461 } else
462 scsi_adjust_queue_depth(sdev, 0, 1);
463
464 return 0;
465 }
466
467 /**
468 * aac_change_queue_depth - alter queue depths
469 * @sdev: SCSI device we are considering
470 * @depth: desired queue depth
471 *
472 * Alters queue depths for target device based on the host adapter's
473 * total capacity and the queue depth supported by the target device.
474 */
475
476 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
477 int reason)
478 {
479 if (reason != SCSI_QDEPTH_DEFAULT)
480 return -EOPNOTSUPP;
481
482 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
483 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
484 struct scsi_device * dev;
485 struct Scsi_Host *host = sdev->host;
486 unsigned num = 0;
487
488 __shost_for_each_device(dev, host) {
489 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
490 (sdev_channel(dev) == CONTAINER_CHANNEL))
491 ++num;
492 ++num;
493 }
494 if (num >= host->can_queue)
495 num = host->can_queue - 1;
496 if (depth > (host->can_queue - num))
497 depth = host->can_queue - num;
498 if (depth > 256)
499 depth = 256;
500 else if (depth < 2)
501 depth = 2;
502 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
503 } else
504 scsi_adjust_queue_depth(sdev, 0, 1);
505 return sdev->queue_depth;
506 }
507
508 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
509 {
510 struct scsi_device *sdev = to_scsi_device(dev);
511 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
512 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
513 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
514 ? "Hidden\n" :
515 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
516 return snprintf(buf, PAGE_SIZE, "%s\n",
517 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
518 }
519
520 static struct device_attribute aac_raid_level_attr = {
521 .attr = {
522 .name = "level",
523 .mode = S_IRUGO,
524 },
525 .show = aac_show_raid_level
526 };
527
528 static struct device_attribute *aac_dev_attrs[] = {
529 &aac_raid_level_attr,
530 NULL,
531 };
532
533 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
534 {
535 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
536 if (!capable(CAP_SYS_RAWIO))
537 return -EPERM;
538 return aac_do_ioctl(dev, cmd, arg);
539 }
540
541 static int aac_eh_abort(struct scsi_cmnd* cmd)
542 {
543 struct scsi_device * dev = cmd->device;
544 struct Scsi_Host * host = dev->host;
545 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
546 int count;
547 int ret = FAILED;
548
549 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
550 AAC_DRIVERNAME,
551 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
552 switch (cmd->cmnd[0]) {
553 case SERVICE_ACTION_IN:
554 if (!(aac->raw_io_interface) ||
555 !(aac->raw_io_64) ||
556 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
557 break;
558 case INQUIRY:
559 case READ_CAPACITY:
560 /* Mark associated FIB to not complete, eh handler does this */
561 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
562 struct fib * fib = &aac->fibs[count];
563 if (fib->hw_fib_va->header.XferState &&
564 (fib->flags & FIB_CONTEXT_FLAG) &&
565 (fib->callback_data == cmd)) {
566 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
567 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
568 ret = SUCCESS;
569 }
570 }
571 break;
572 case TEST_UNIT_READY:
573 /* Mark associated FIB to not complete, eh handler does this */
574 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
575 struct scsi_cmnd * command;
576 struct fib * fib = &aac->fibs[count];
577 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
578 (fib->flags & FIB_CONTEXT_FLAG) &&
579 ((command = fib->callback_data)) &&
580 (command->device == cmd->device)) {
581 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
582 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
583 if (command == cmd)
584 ret = SUCCESS;
585 }
586 }
587 }
588 return ret;
589 }
590
591 /*
592 * aac_eh_reset - Reset command handling
593 * @scsi_cmd: SCSI command block causing the reset
594 *
595 */
596 static int aac_eh_reset(struct scsi_cmnd* cmd)
597 {
598 struct scsi_device * dev = cmd->device;
599 struct Scsi_Host * host = dev->host;
600 struct scsi_cmnd * command;
601 int count;
602 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
603 unsigned long flags;
604
605 /* Mark the associated FIB to not complete, eh handler does this */
606 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
607 struct fib * fib = &aac->fibs[count];
608 if (fib->hw_fib_va->header.XferState &&
609 (fib->flags & FIB_CONTEXT_FLAG) &&
610 (fib->callback_data == cmd)) {
611 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
612 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
613 }
614 }
615 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
616 AAC_DRIVERNAME);
617
618 if ((count = aac_check_health(aac)))
619 return count;
620 /*
621 * Wait for all commands to complete to this specific
622 * target (block maximum 60 seconds).
623 */
624 for (count = 60; count; --count) {
625 int active = aac->in_reset;
626
627 if (active == 0)
628 __shost_for_each_device(dev, host) {
629 spin_lock_irqsave(&dev->list_lock, flags);
630 list_for_each_entry(command, &dev->cmd_list, list) {
631 if ((command != cmd) &&
632 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
633 active++;
634 break;
635 }
636 }
637 spin_unlock_irqrestore(&dev->list_lock, flags);
638 if (active)
639 break;
640
641 }
642 /*
643 * We can exit If all the commands are complete
644 */
645 if (active == 0)
646 return SUCCESS;
647 ssleep(1);
648 }
649 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
650 /*
651 * This adapter needs a blind reset, only do so for Adapters that
652 * support a register, instead of a commanded, reset.
653 */
654 if ((aac->supplement_adapter_info.SupportedOptions2 &
655 AAC_OPTION_MU_RESET) &&
656 aac_check_reset &&
657 ((aac_check_reset != 1) ||
658 !(aac->supplement_adapter_info.SupportedOptions2 &
659 AAC_OPTION_IGNORE_RESET)))
660 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
661 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
662 }
663
664 /**
665 * aac_cfg_open - open a configuration file
666 * @inode: inode being opened
667 * @file: file handle attached
668 *
669 * Called when the configuration device is opened. Does the needed
670 * set up on the handle and then returns
671 *
672 * Bugs: This needs extending to check a given adapter is present
673 * so we can support hot plugging, and to ref count adapters.
674 */
675
676 static int aac_cfg_open(struct inode *inode, struct file *file)
677 {
678 struct aac_dev *aac;
679 unsigned minor_number = iminor(inode);
680 int err = -ENODEV;
681
682 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
683 list_for_each_entry(aac, &aac_devices, entry) {
684 if (aac->id == minor_number) {
685 file->private_data = aac;
686 err = 0;
687 break;
688 }
689 }
690 mutex_unlock(&aac_mutex);
691
692 return err;
693 }
694
695 /**
696 * aac_cfg_ioctl - AAC configuration request
697 * @inode: inode of device
698 * @file: file handle
699 * @cmd: ioctl command code
700 * @arg: argument
701 *
702 * Handles a configuration ioctl. Currently this involves wrapping it
703 * up and feeding it into the nasty windowsalike glue layer.
704 *
705 * Bugs: Needs locking against parallel ioctls lower down
706 * Bugs: Needs to handle hot plugging
707 */
708
709 static long aac_cfg_ioctl(struct file *file,
710 unsigned int cmd, unsigned long arg)
711 {
712 int ret;
713 if (!capable(CAP_SYS_RAWIO))
714 return -EPERM;
715 mutex_lock(&aac_mutex);
716 ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
717 mutex_unlock(&aac_mutex);
718
719 return ret;
720 }
721
722 #ifdef CONFIG_COMPAT
723 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
724 {
725 long ret;
726 mutex_lock(&aac_mutex);
727 switch (cmd) {
728 case FSACTL_MINIPORT_REV_CHECK:
729 case FSACTL_SENDFIB:
730 case FSACTL_OPEN_GET_ADAPTER_FIB:
731 case FSACTL_CLOSE_GET_ADAPTER_FIB:
732 case FSACTL_SEND_RAW_SRB:
733 case FSACTL_GET_PCI_INFO:
734 case FSACTL_QUERY_DISK:
735 case FSACTL_DELETE_DISK:
736 case FSACTL_FORCE_DELETE_DISK:
737 case FSACTL_GET_CONTAINERS:
738 case FSACTL_SEND_LARGE_FIB:
739 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
740 break;
741
742 case FSACTL_GET_NEXT_ADAPTER_FIB: {
743 struct fib_ioctl __user *f;
744
745 f = compat_alloc_user_space(sizeof(*f));
746 ret = 0;
747 if (clear_user(f, sizeof(*f)))
748 ret = -EFAULT;
749 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
750 ret = -EFAULT;
751 if (!ret)
752 ret = aac_do_ioctl(dev, cmd, f);
753 break;
754 }
755
756 default:
757 ret = -ENOIOCTLCMD;
758 break;
759 }
760 mutex_unlock(&aac_mutex);
761 return ret;
762 }
763
764 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
765 {
766 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
767 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
768 }
769
770 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
771 {
772 if (!capable(CAP_SYS_RAWIO))
773 return -EPERM;
774 return aac_compat_do_ioctl(file->private_data, cmd, arg);
775 }
776 #endif
777
778 static ssize_t aac_show_model(struct device *device,
779 struct device_attribute *attr, char *buf)
780 {
781 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
782 int len;
783
784 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
785 char * cp = dev->supplement_adapter_info.AdapterTypeText;
786 while (*cp && *cp != ' ')
787 ++cp;
788 while (*cp == ' ')
789 ++cp;
790 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
791 } else
792 len = snprintf(buf, PAGE_SIZE, "%s\n",
793 aac_drivers[dev->cardtype].model);
794 return len;
795 }
796
797 static ssize_t aac_show_vendor(struct device *device,
798 struct device_attribute *attr, char *buf)
799 {
800 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
801 int len;
802
803 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
804 char * cp = dev->supplement_adapter_info.AdapterTypeText;
805 while (*cp && *cp != ' ')
806 ++cp;
807 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
808 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
809 dev->supplement_adapter_info.AdapterTypeText);
810 } else
811 len = snprintf(buf, PAGE_SIZE, "%s\n",
812 aac_drivers[dev->cardtype].vname);
813 return len;
814 }
815
816 static ssize_t aac_show_flags(struct device *cdev,
817 struct device_attribute *attr, char *buf)
818 {
819 int len = 0;
820 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
821
822 if (nblank(dprintk(x)))
823 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
824 #ifdef AAC_DETAILED_STATUS_INFO
825 len += snprintf(buf + len, PAGE_SIZE - len,
826 "AAC_DETAILED_STATUS_INFO\n");
827 #endif
828 if (dev->raw_io_interface && dev->raw_io_64)
829 len += snprintf(buf + len, PAGE_SIZE - len,
830 "SAI_READ_CAPACITY_16\n");
831 if (dev->jbod)
832 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
833 if (dev->supplement_adapter_info.SupportedOptions2 &
834 AAC_OPTION_POWER_MANAGEMENT)
835 len += snprintf(buf + len, PAGE_SIZE - len,
836 "SUPPORTED_POWER_MANAGEMENT\n");
837 if (dev->msi)
838 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
839 return len;
840 }
841
842 static ssize_t aac_show_kernel_version(struct device *device,
843 struct device_attribute *attr,
844 char *buf)
845 {
846 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
847 int len, tmp;
848
849 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
850 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
851 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
852 le32_to_cpu(dev->adapter_info.kernelbuild));
853 return len;
854 }
855
856 static ssize_t aac_show_monitor_version(struct device *device,
857 struct device_attribute *attr,
858 char *buf)
859 {
860 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
861 int len, tmp;
862
863 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
864 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
865 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
866 le32_to_cpu(dev->adapter_info.monitorbuild));
867 return len;
868 }
869
870 static ssize_t aac_show_bios_version(struct device *device,
871 struct device_attribute *attr,
872 char *buf)
873 {
874 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
875 int len, tmp;
876
877 tmp = le32_to_cpu(dev->adapter_info.biosrev);
878 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
879 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
880 le32_to_cpu(dev->adapter_info.biosbuild));
881 return len;
882 }
883
884 static ssize_t aac_show_serial_number(struct device *device,
885 struct device_attribute *attr, char *buf)
886 {
887 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
888 int len = 0;
889
890 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
891 len = snprintf(buf, PAGE_SIZE, "%06X\n",
892 le32_to_cpu(dev->adapter_info.serial[0]));
893 if (len &&
894 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
895 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
896 buf, len-1))
897 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
898 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
899 dev->supplement_adapter_info.MfgPcbaSerialNo);
900 return len;
901 }
902
903 static ssize_t aac_show_max_channel(struct device *device,
904 struct device_attribute *attr, char *buf)
905 {
906 return snprintf(buf, PAGE_SIZE, "%d\n",
907 class_to_shost(device)->max_channel);
908 }
909
910 static ssize_t aac_show_max_id(struct device *device,
911 struct device_attribute *attr, char *buf)
912 {
913 return snprintf(buf, PAGE_SIZE, "%d\n",
914 class_to_shost(device)->max_id);
915 }
916
917 static ssize_t aac_store_reset_adapter(struct device *device,
918 struct device_attribute *attr,
919 const char *buf, size_t count)
920 {
921 int retval = -EACCES;
922
923 if (!capable(CAP_SYS_ADMIN))
924 return retval;
925 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
926 if (retval >= 0)
927 retval = count;
928 return retval;
929 }
930
931 static ssize_t aac_show_reset_adapter(struct device *device,
932 struct device_attribute *attr,
933 char *buf)
934 {
935 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
936 int len, tmp;
937
938 tmp = aac_adapter_check_health(dev);
939 if ((tmp == 0) && dev->in_reset)
940 tmp = -EBUSY;
941 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
942 return len;
943 }
944
945 static struct device_attribute aac_model = {
946 .attr = {
947 .name = "model",
948 .mode = S_IRUGO,
949 },
950 .show = aac_show_model,
951 };
952 static struct device_attribute aac_vendor = {
953 .attr = {
954 .name = "vendor",
955 .mode = S_IRUGO,
956 },
957 .show = aac_show_vendor,
958 };
959 static struct device_attribute aac_flags = {
960 .attr = {
961 .name = "flags",
962 .mode = S_IRUGO,
963 },
964 .show = aac_show_flags,
965 };
966 static struct device_attribute aac_kernel_version = {
967 .attr = {
968 .name = "hba_kernel_version",
969 .mode = S_IRUGO,
970 },
971 .show = aac_show_kernel_version,
972 };
973 static struct device_attribute aac_monitor_version = {
974 .attr = {
975 .name = "hba_monitor_version",
976 .mode = S_IRUGO,
977 },
978 .show = aac_show_monitor_version,
979 };
980 static struct device_attribute aac_bios_version = {
981 .attr = {
982 .name = "hba_bios_version",
983 .mode = S_IRUGO,
984 },
985 .show = aac_show_bios_version,
986 };
987 static struct device_attribute aac_serial_number = {
988 .attr = {
989 .name = "serial_number",
990 .mode = S_IRUGO,
991 },
992 .show = aac_show_serial_number,
993 };
994 static struct device_attribute aac_max_channel = {
995 .attr = {
996 .name = "max_channel",
997 .mode = S_IRUGO,
998 },
999 .show = aac_show_max_channel,
1000 };
1001 static struct device_attribute aac_max_id = {
1002 .attr = {
1003 .name = "max_id",
1004 .mode = S_IRUGO,
1005 },
1006 .show = aac_show_max_id,
1007 };
1008 static struct device_attribute aac_reset = {
1009 .attr = {
1010 .name = "reset_host",
1011 .mode = S_IWUSR|S_IRUGO,
1012 },
1013 .store = aac_store_reset_adapter,
1014 .show = aac_show_reset_adapter,
1015 };
1016
1017 static struct device_attribute *aac_attrs[] = {
1018 &aac_model,
1019 &aac_vendor,
1020 &aac_flags,
1021 &aac_kernel_version,
1022 &aac_monitor_version,
1023 &aac_bios_version,
1024 &aac_serial_number,
1025 &aac_max_channel,
1026 &aac_max_id,
1027 &aac_reset,
1028 NULL
1029 };
1030
1031 ssize_t aac_get_serial_number(struct device *device, char *buf)
1032 {
1033 return aac_show_serial_number(device, &aac_serial_number, buf);
1034 }
1035
1036 static const struct file_operations aac_cfg_fops = {
1037 .owner = THIS_MODULE,
1038 .unlocked_ioctl = aac_cfg_ioctl,
1039 #ifdef CONFIG_COMPAT
1040 .compat_ioctl = aac_compat_cfg_ioctl,
1041 #endif
1042 .open = aac_cfg_open,
1043 .llseek = noop_llseek,
1044 };
1045
1046 static struct scsi_host_template aac_driver_template = {
1047 .module = THIS_MODULE,
1048 .name = "AAC",
1049 .proc_name = AAC_DRIVERNAME,
1050 .info = aac_info,
1051 .ioctl = aac_ioctl,
1052 #ifdef CONFIG_COMPAT
1053 .compat_ioctl = aac_compat_ioctl,
1054 #endif
1055 .queuecommand = aac_queuecommand,
1056 .bios_param = aac_biosparm,
1057 .shost_attrs = aac_attrs,
1058 .slave_configure = aac_slave_configure,
1059 .change_queue_depth = aac_change_queue_depth,
1060 .sdev_attrs = aac_dev_attrs,
1061 .eh_abort_handler = aac_eh_abort,
1062 .eh_host_reset_handler = aac_eh_reset,
1063 .can_queue = AAC_NUM_IO_FIB,
1064 .this_id = MAXIMUM_NUM_CONTAINERS,
1065 .sg_tablesize = 16,
1066 .max_sectors = 128,
1067 #if (AAC_NUM_IO_FIB > 256)
1068 .cmd_per_lun = 256,
1069 #else
1070 .cmd_per_lun = AAC_NUM_IO_FIB,
1071 #endif
1072 .use_clustering = ENABLE_CLUSTERING,
1073 .emulated = 1,
1074 };
1075
1076 static void __aac_shutdown(struct aac_dev * aac)
1077 {
1078 if (aac->aif_thread)
1079 kthread_stop(aac->thread);
1080 aac_send_shutdown(aac);
1081 aac_adapter_disable_int(aac);
1082 free_irq(aac->pdev->irq, aac);
1083 if (aac->msi)
1084 pci_disable_msi(aac->pdev);
1085 }
1086
1087 static int __devinit aac_probe_one(struct pci_dev *pdev,
1088 const struct pci_device_id *id)
1089 {
1090 unsigned index = id->driver_data;
1091 struct Scsi_Host *shost;
1092 struct aac_dev *aac;
1093 struct list_head *insert = &aac_devices;
1094 int error = -ENODEV;
1095 int unique_id = 0;
1096 u64 dmamask;
1097
1098 list_for_each_entry(aac, &aac_devices, entry) {
1099 if (aac->id > unique_id)
1100 break;
1101 insert = &aac->entry;
1102 unique_id++;
1103 }
1104
1105 error = pci_enable_device(pdev);
1106 if (error)
1107 goto out;
1108 error = -ENODEV;
1109
1110 /*
1111 * If the quirk31 bit is set, the adapter needs adapter
1112 * to driver communication memory to be allocated below 2gig
1113 */
1114 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1115 dmamask = DMA_BIT_MASK(31);
1116 else
1117 dmamask = DMA_BIT_MASK(32);
1118
1119 if (pci_set_dma_mask(pdev, dmamask) ||
1120 pci_set_consistent_dma_mask(pdev, dmamask))
1121 goto out_disable_pdev;
1122
1123 pci_set_master(pdev);
1124
1125 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1126 if (!shost)
1127 goto out_disable_pdev;
1128
1129 shost->irq = pdev->irq;
1130 shost->base = pci_resource_start(pdev, 0);
1131 shost->unique_id = unique_id;
1132 shost->max_cmd_len = 16;
1133
1134 aac = (struct aac_dev *)shost->hostdata;
1135 aac->scsi_host_ptr = shost;
1136 aac->pdev = pdev;
1137 aac->name = aac_driver_template.name;
1138 aac->id = shost->unique_id;
1139 aac->cardtype = index;
1140 INIT_LIST_HEAD(&aac->entry);
1141
1142 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1143 if (!aac->fibs)
1144 goto out_free_host;
1145 spin_lock_init(&aac->fib_lock);
1146
1147 /*
1148 * Map in the registers from the adapter.
1149 */
1150 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1151 if ((*aac_drivers[index].init)(aac))
1152 goto out_unmap;
1153
1154 /*
1155 * Start any kernel threads needed
1156 */
1157 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1158 if (IS_ERR(aac->thread)) {
1159 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1160 error = PTR_ERR(aac->thread);
1161 goto out_deinit;
1162 }
1163
1164 /*
1165 * If we had set a smaller DMA mask earlier, set it to 4gig
1166 * now since the adapter can dma data to at least a 4gig
1167 * address space.
1168 */
1169 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1170 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1171 goto out_deinit;
1172
1173 aac->maximum_num_channels = aac_drivers[index].channels;
1174 error = aac_get_adapter_info(aac);
1175 if (error < 0)
1176 goto out_deinit;
1177
1178 /*
1179 * Lets override negotiations and drop the maximum SG limit to 34
1180 */
1181 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1182 (shost->sg_tablesize > 34)) {
1183 shost->sg_tablesize = 34;
1184 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1185 }
1186
1187 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1188 (shost->sg_tablesize > 17)) {
1189 shost->sg_tablesize = 17;
1190 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1191 }
1192
1193 error = pci_set_dma_max_seg_size(pdev,
1194 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1195 (shost->max_sectors << 9) : 65536);
1196 if (error)
1197 goto out_deinit;
1198
1199 /*
1200 * Firmware printf works only with older firmware.
1201 */
1202 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1203 aac->printf_enabled = 1;
1204 else
1205 aac->printf_enabled = 0;
1206
1207 /*
1208 * max channel will be the physical channels plus 1 virtual channel
1209 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1210 * physical channels are address by their actual physical number+1
1211 */
1212 if (aac->nondasd_support || expose_physicals || aac->jbod)
1213 shost->max_channel = aac->maximum_num_channels;
1214 else
1215 shost->max_channel = 0;
1216
1217 aac_get_config_status(aac, 0);
1218 aac_get_containers(aac);
1219 list_add(&aac->entry, insert);
1220
1221 shost->max_id = aac->maximum_num_containers;
1222 if (shost->max_id < aac->maximum_num_physicals)
1223 shost->max_id = aac->maximum_num_physicals;
1224 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1225 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1226 else
1227 shost->this_id = shost->max_id;
1228
1229 /*
1230 * dmb - we may need to move the setting of these parms somewhere else once
1231 * we get a fib that can report the actual numbers
1232 */
1233 shost->max_lun = AAC_MAX_LUN;
1234
1235 pci_set_drvdata(pdev, shost);
1236
1237 error = scsi_add_host(shost, &pdev->dev);
1238 if (error)
1239 goto out_deinit;
1240 scsi_scan_host(shost);
1241
1242 return 0;
1243
1244 out_deinit:
1245 __aac_shutdown(aac);
1246 out_unmap:
1247 aac_fib_map_free(aac);
1248 if (aac->comm_addr)
1249 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1250 aac->comm_phys);
1251 kfree(aac->queues);
1252 aac_adapter_ioremap(aac, 0);
1253 kfree(aac->fibs);
1254 kfree(aac->fsa_dev);
1255 out_free_host:
1256 scsi_host_put(shost);
1257 out_disable_pdev:
1258 pci_disable_device(pdev);
1259 out:
1260 return error;
1261 }
1262
1263 static void aac_shutdown(struct pci_dev *dev)
1264 {
1265 struct Scsi_Host *shost = pci_get_drvdata(dev);
1266 scsi_block_requests(shost);
1267 __aac_shutdown((struct aac_dev *)shost->hostdata);
1268 }
1269
1270 static void __devexit aac_remove_one(struct pci_dev *pdev)
1271 {
1272 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1273 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1274
1275 scsi_remove_host(shost);
1276
1277 __aac_shutdown(aac);
1278 aac_fib_map_free(aac);
1279 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1280 aac->comm_phys);
1281 kfree(aac->queues);
1282
1283 aac_adapter_ioremap(aac, 0);
1284
1285 kfree(aac->fibs);
1286 kfree(aac->fsa_dev);
1287
1288 list_del(&aac->entry);
1289 scsi_host_put(shost);
1290 pci_disable_device(pdev);
1291 if (list_empty(&aac_devices)) {
1292 unregister_chrdev(aac_cfg_major, "aac");
1293 aac_cfg_major = -1;
1294 }
1295 }
1296
1297 static struct pci_driver aac_pci_driver = {
1298 .name = AAC_DRIVERNAME,
1299 .id_table = aac_pci_tbl,
1300 .probe = aac_probe_one,
1301 .remove = __devexit_p(aac_remove_one),
1302 .shutdown = aac_shutdown,
1303 };
1304
1305 static int __init aac_init(void)
1306 {
1307 int error;
1308
1309 printk(KERN_INFO "Adaptec %s driver %s\n",
1310 AAC_DRIVERNAME, aac_driver_version);
1311
1312 error = pci_register_driver(&aac_pci_driver);
1313 if (error < 0)
1314 return error;
1315
1316 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1317 if (aac_cfg_major < 0) {
1318 printk(KERN_WARNING
1319 "aacraid: unable to register \"aac\" device.\n");
1320 }
1321
1322 return 0;
1323 }
1324
1325 static void __exit aac_exit(void)
1326 {
1327 if (aac_cfg_major > -1)
1328 unregister_chrdev(aac_cfg_major, "aac");
1329 pci_unregister_driver(&aac_pci_driver);
1330 }
1331
1332 module_init(aac_init);
1333 module_exit(aac_exit);
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