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OMAP3: PM: Fix compile error with 'CONFIG_OMAP_PM_SRF=y'
[linux-ginger.git] / drivers / scsi / aacraid / linit.c
blob9b97c3e016fe8233b0545ea8adab6bb45ff3985d
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/smp_lock.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 LIST_HEAD(aac_devices);
80 static int aac_cfg_major = -1;
81 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
82
83 /*
84 * Because of the way Linux names scsi devices, the order in this table has
85 * become important. Check for on-board Raid first, add-in cards second.
86 *
87 * Note: The last field is used to index into aac_drivers below.
88 */
89 #ifdef DECLARE_PCI_DEVICE_TABLE
90 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
91 #elif defined(__devinitconst)
92 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
93 #else
94 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
95 #endif
96 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
97 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
98 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
99 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
100 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
101 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
102 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
103 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
104 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
105 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
106 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
107 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
108 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
109 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
110 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
111 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
112
113 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
114 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
115 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
116 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
117 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
118 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
120 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
121 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
122 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
125 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
126 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
127 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
128 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
129 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
130 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
131 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
132 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
133 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
134 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
135 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
136 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
137 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
138 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
139 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
140 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
141 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
142 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
143 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
144 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
145 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
146 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
147 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
148 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
149 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
150 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
151
152 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
153 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
154 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
155 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
156 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
157
158 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
159 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
160 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
161 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
162 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
163 { 0,}
164 };
165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
166
167 /*
168 * dmb - For now we add the number of channels to this structure.
169 * In the future we should add a fib that reports the number of channels
170 * for the card. At that time we can remove the channels from here
171 */
172 static struct aac_driver_ident aac_drivers[] = {
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
187 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
189
190 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
204 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
206 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
207 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
208 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
212 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
219 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
220 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
225 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
226
227 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
228 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
231 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
232
233 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
234 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
235 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
236 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
237 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
238 };
239
240 /**
241 * aac_queuecommand - queue a SCSI command
242 * @cmd: SCSI command to queue
243 * @done: Function to call on command completion
244 *
245 * Queues a command for execution by the associated Host Adapter.
246 *
247 * TODO: unify with aac_scsi_cmd().
248 */
249
250 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
251 {
252 struct Scsi_Host *host = cmd->device->host;
253 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
254 u32 count = 0;
255 cmd->scsi_done = done;
256 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
257 struct fib * fib = &dev->fibs[count];
258 struct scsi_cmnd * command;
259 if (fib->hw_fib_va->header.XferState &&
260 ((command = fib->callback_data)) &&
261 (command == cmd) &&
262 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
263 return 0; /* Already owned by Adapter */
264 }
265 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
266 return (aac_scsi_cmd(cmd) ? FAILED : 0);
267 }
268
269 /**
270 * aac_info - Returns the host adapter name
271 * @shost: Scsi host to report on
272 *
273 * Returns a static string describing the device in question
274 */
275
276 static const char *aac_info(struct Scsi_Host *shost)
277 {
278 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
279 return aac_drivers[dev->cardtype].name;
280 }
281
282 /**
283 * aac_get_driver_ident
284 * @devtype: index into lookup table
285 *
286 * Returns a pointer to the entry in the driver lookup table.
287 */
288
289 struct aac_driver_ident* aac_get_driver_ident(int devtype)
290 {
291 return &aac_drivers[devtype];
292 }
293
294 /**
295 * aac_biosparm - return BIOS parameters for disk
296 * @sdev: The scsi device corresponding to the disk
297 * @bdev: the block device corresponding to the disk
298 * @capacity: the sector capacity of the disk
299 * @geom: geometry block to fill in
300 *
301 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
302 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
303 * number of cylinders so as not to exceed drive capacity. In order for
304 * disks equal to or larger than 1 GB to be addressable by the BIOS
305 * without exceeding the BIOS limitation of 1024 cylinders, Extended
306 * Translation should be enabled. With Extended Translation enabled,
307 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
308 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
309 * are given a disk geometry of 255 heads and 63 sectors. However, if
310 * the BIOS detects that the Extended Translation setting does not match
311 * the geometry in the partition table, then the translation inferred
312 * from the partition table will be used by the BIOS, and a warning may
313 * be displayed.
314 */
315
316 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
317 sector_t capacity, int *geom)
318 {
319 struct diskparm *param = (struct diskparm *)geom;
320 unsigned char *buf;
321
322 dprintk((KERN_DEBUG "aac_biosparm.\n"));
323
324 /*
325 * Assuming extended translation is enabled - #REVISIT#
326 */
327 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
328 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
329 param->heads = 255;
330 param->sectors = 63;
331 } else {
332 param->heads = 128;
333 param->sectors = 32;
334 }
335 } else {
336 param->heads = 64;
337 param->sectors = 32;
338 }
339
340 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
341
342 /*
343 * Read the first 1024 bytes from the disk device, if the boot
344 * sector partition table is valid, search for a partition table
345 * entry whose end_head matches one of the standard geometry
346 * translations ( 64/32, 128/32, 255/63 ).
347 */
348 buf = scsi_bios_ptable(bdev);
349 if (!buf)
350 return 0;
351 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
352 struct partition *first = (struct partition * )buf;
353 struct partition *entry = first;
354 int saved_cylinders = param->cylinders;
355 int num;
356 unsigned char end_head, end_sec;
357
358 for(num = 0; num < 4; num++) {
359 end_head = entry->end_head;
360 end_sec = entry->end_sector & 0x3f;
361
362 if(end_head == 63) {
363 param->heads = 64;
364 param->sectors = 32;
365 break;
366 } else if(end_head == 127) {
367 param->heads = 128;
368 param->sectors = 32;
369 break;
370 } else if(end_head == 254) {
371 param->heads = 255;
372 param->sectors = 63;
373 break;
374 }
375 entry++;
376 }
377
378 if (num == 4) {
379 end_head = first->end_head;
380 end_sec = first->end_sector & 0x3f;
381 }
382
383 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
384 if (num < 4 && end_sec == param->sectors) {
385 if (param->cylinders != saved_cylinders)
386 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
387 param->heads, param->sectors, num));
388 } else if (end_head > 0 || end_sec > 0) {
389 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
390 end_head + 1, end_sec, num));
391 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
392 param->heads, param->sectors));
393 }
394 }
395 kfree(buf);
396 return 0;
397 }
398
399 /**
400 * aac_slave_configure - compute queue depths
401 * @sdev: SCSI device we are considering
402 *
403 * Selects queue depths for each target device based on the host adapter's
404 * total capacity and the queue depth supported by the target device.
405 * A queue depth of one automatically disables tagged queueing.
406 */
407
408 static int aac_slave_configure(struct scsi_device *sdev)
409 {
410 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
411 if (aac->jbod && (sdev->type == TYPE_DISK))
412 sdev->removable = 1;
413 if ((sdev->type == TYPE_DISK) &&
414 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
415 (!aac->jbod || sdev->inq_periph_qual) &&
416 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
417 if (expose_physicals == 0)
418 return -ENXIO;
419 if (expose_physicals < 0)
420 sdev->no_uld_attach = 1;
421 }
422 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
423 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
424 !sdev->no_uld_attach) {
425 struct scsi_device * dev;
426 struct Scsi_Host *host = sdev->host;
427 unsigned num_lsu = 0;
428 unsigned num_one = 0;
429 unsigned depth;
430 unsigned cid;
431
432 /*
433 * Firmware has an individual device recovery time typically
434 * of 35 seconds, give us a margin.
435 */
436 if (sdev->request_queue->rq_timeout < (45 * HZ))
437 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
438 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
439 if (aac->fsa_dev[cid].valid)
440 ++num_lsu;
441 __shost_for_each_device(dev, host) {
442 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
443 (!aac->raid_scsi_mode ||
444 (sdev_channel(sdev) != 2)) &&
445 !dev->no_uld_attach) {
446 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
447 || !aac->fsa_dev[sdev_id(dev)].valid)
448 ++num_lsu;
449 } else
450 ++num_one;
451 }
452 if (num_lsu == 0)
453 ++num_lsu;
454 depth = (host->can_queue - num_one) / num_lsu;
455 if (depth > 256)
456 depth = 256;
457 else if (depth < 2)
458 depth = 2;
459 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
460 } else
461 scsi_adjust_queue_depth(sdev, 0, 1);
462
463 return 0;
464 }
465
466 /**
467 * aac_change_queue_depth - alter queue depths
468 * @sdev: SCSI device we are considering
469 * @depth: desired queue depth
470 *
471 * Alters queue depths for target device based on the host adapter's
472 * total capacity and the queue depth supported by the target device.
473 */
474
475 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
476 {
477 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
478 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
479 struct scsi_device * dev;
480 struct Scsi_Host *host = sdev->host;
481 unsigned num = 0;
482
483 __shost_for_each_device(dev, host) {
484 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
485 (sdev_channel(dev) == CONTAINER_CHANNEL))
486 ++num;
487 ++num;
488 }
489 if (num >= host->can_queue)
490 num = host->can_queue - 1;
491 if (depth > (host->can_queue - num))
492 depth = host->can_queue - num;
493 if (depth > 256)
494 depth = 256;
495 else if (depth < 2)
496 depth = 2;
497 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
498 } else
499 scsi_adjust_queue_depth(sdev, 0, 1);
500 return sdev->queue_depth;
501 }
502
503 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
504 {
505 struct scsi_device *sdev = to_scsi_device(dev);
506 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
507 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
508 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
509 ? "Hidden\n" :
510 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
511 return snprintf(buf, PAGE_SIZE, "%s\n",
512 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
513 }
514
515 static struct device_attribute aac_raid_level_attr = {
516 .attr = {
517 .name = "level",
518 .mode = S_IRUGO,
519 },
520 .show = aac_show_raid_level
521 };
522
523 static struct device_attribute *aac_dev_attrs[] = {
524 &aac_raid_level_attr,
525 NULL,
526 };
527
528 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
529 {
530 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
531 if (!capable(CAP_SYS_RAWIO))
532 return -EPERM;
533 return aac_do_ioctl(dev, cmd, arg);
534 }
535
536 static int aac_eh_abort(struct scsi_cmnd* cmd)
537 {
538 struct scsi_device * dev = cmd->device;
539 struct Scsi_Host * host = dev->host;
540 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
541 int count;
542 int ret = FAILED;
543
544 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
545 AAC_DRIVERNAME,
546 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
547 switch (cmd->cmnd[0]) {
548 case SERVICE_ACTION_IN:
549 if (!(aac->raw_io_interface) ||
550 !(aac->raw_io_64) ||
551 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
552 break;
553 case INQUIRY:
554 case READ_CAPACITY:
555 /* Mark associated FIB to not complete, eh handler does this */
556 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
557 struct fib * fib = &aac->fibs[count];
558 if (fib->hw_fib_va->header.XferState &&
559 (fib->flags & FIB_CONTEXT_FLAG) &&
560 (fib->callback_data == cmd)) {
561 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
562 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
563 ret = SUCCESS;
564 }
565 }
566 break;
567 case TEST_UNIT_READY:
568 /* Mark associated FIB to not complete, eh handler does this */
569 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
570 struct scsi_cmnd * command;
571 struct fib * fib = &aac->fibs[count];
572 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
573 (fib->flags & FIB_CONTEXT_FLAG) &&
574 ((command = fib->callback_data)) &&
575 (command->device == cmd->device)) {
576 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
577 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
578 if (command == cmd)
579 ret = SUCCESS;
580 }
581 }
582 }
583 return ret;
584 }
585
586 /*
587 * aac_eh_reset - Reset command handling
588 * @scsi_cmd: SCSI command block causing the reset
589 *
590 */
591 static int aac_eh_reset(struct scsi_cmnd* cmd)
592 {
593 struct scsi_device * dev = cmd->device;
594 struct Scsi_Host * host = dev->host;
595 struct scsi_cmnd * command;
596 int count;
597 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
598 unsigned long flags;
599
600 /* Mark the associated FIB to not complete, eh handler does this */
601 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
602 struct fib * fib = &aac->fibs[count];
603 if (fib->hw_fib_va->header.XferState &&
604 (fib->flags & FIB_CONTEXT_FLAG) &&
605 (fib->callback_data == cmd)) {
606 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
607 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
608 }
609 }
610 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
611 AAC_DRIVERNAME);
612
613 if ((count = aac_check_health(aac)))
614 return count;
615 /*
616 * Wait for all commands to complete to this specific
617 * target (block maximum 60 seconds).
618 */
619 for (count = 60; count; --count) {
620 int active = aac->in_reset;
621
622 if (active == 0)
623 __shost_for_each_device(dev, host) {
624 spin_lock_irqsave(&dev->list_lock, flags);
625 list_for_each_entry(command, &dev->cmd_list, list) {
626 if ((command != cmd) &&
627 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
628 active++;
629 break;
630 }
631 }
632 spin_unlock_irqrestore(&dev->list_lock, flags);
633 if (active)
634 break;
635
636 }
637 /*
638 * We can exit If all the commands are complete
639 */
640 if (active == 0)
641 return SUCCESS;
642 ssleep(1);
643 }
644 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
645 /*
646 * This adapter needs a blind reset, only do so for Adapters that
647 * support a register, instead of a commanded, reset.
648 */
649 if ((aac->supplement_adapter_info.SupportedOptions2 &
650 AAC_OPTION_MU_RESET) &&
651 aac_check_reset &&
652 ((aac_check_reset != 1) ||
653 !(aac->supplement_adapter_info.SupportedOptions2 &
654 AAC_OPTION_IGNORE_RESET)))
655 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
656 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
657 }
658
659 /**
660 * aac_cfg_open - open a configuration file
661 * @inode: inode being opened
662 * @file: file handle attached
663 *
664 * Called when the configuration device is opened. Does the needed
665 * set up on the handle and then returns
666 *
667 * Bugs: This needs extending to check a given adapter is present
668 * so we can support hot plugging, and to ref count adapters.
669 */
670
671 static int aac_cfg_open(struct inode *inode, struct file *file)
672 {
673 struct aac_dev *aac;
674 unsigned minor_number = iminor(inode);
675 int err = -ENODEV;
676
677 lock_kernel(); /* BKL pushdown: nothing else protects this list */
678 list_for_each_entry(aac, &aac_devices, entry) {
679 if (aac->id == minor_number) {
680 file->private_data = aac;
681 err = 0;
682 break;
683 }
684 }
685 unlock_kernel();
686
687 return err;
688 }
689
690 /**
691 * aac_cfg_ioctl - AAC configuration request
692 * @inode: inode of device
693 * @file: file handle
694 * @cmd: ioctl command code
695 * @arg: argument
696 *
697 * Handles a configuration ioctl. Currently this involves wrapping it
698 * up and feeding it into the nasty windowsalike glue layer.
699 *
700 * Bugs: Needs locking against parallel ioctls lower down
701 * Bugs: Needs to handle hot plugging
702 */
703
704 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
705 unsigned int cmd, unsigned long arg)
706 {
707 if (!capable(CAP_SYS_RAWIO))
708 return -EPERM;
709 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
710 }
711
712 #ifdef CONFIG_COMPAT
713 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
714 {
715 long ret;
716 lock_kernel();
717 switch (cmd) {
718 case FSACTL_MINIPORT_REV_CHECK:
719 case FSACTL_SENDFIB:
720 case FSACTL_OPEN_GET_ADAPTER_FIB:
721 case FSACTL_CLOSE_GET_ADAPTER_FIB:
722 case FSACTL_SEND_RAW_SRB:
723 case FSACTL_GET_PCI_INFO:
724 case FSACTL_QUERY_DISK:
725 case FSACTL_DELETE_DISK:
726 case FSACTL_FORCE_DELETE_DISK:
727 case FSACTL_GET_CONTAINERS:
728 case FSACTL_SEND_LARGE_FIB:
729 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
730 break;
731
732 case FSACTL_GET_NEXT_ADAPTER_FIB: {
733 struct fib_ioctl __user *f;
734
735 f = compat_alloc_user_space(sizeof(*f));
736 ret = 0;
737 if (clear_user(f, sizeof(*f)))
738 ret = -EFAULT;
739 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
740 ret = -EFAULT;
741 if (!ret)
742 ret = aac_do_ioctl(dev, cmd, f);
743 break;
744 }
745
746 default:
747 ret = -ENOIOCTLCMD;
748 break;
749 }
750 unlock_kernel();
751 return ret;
752 }
753
754 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
755 {
756 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
757 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
758 }
759
760 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
761 {
762 if (!capable(CAP_SYS_RAWIO))
763 return -EPERM;
764 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
765 }
766 #endif
767
768 static ssize_t aac_show_model(struct device *device,
769 struct device_attribute *attr, char *buf)
770 {
771 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
772 int len;
773
774 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
775 char * cp = dev->supplement_adapter_info.AdapterTypeText;
776 while (*cp && *cp != ' ')
777 ++cp;
778 while (*cp == ' ')
779 ++cp;
780 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
781 } else
782 len = snprintf(buf, PAGE_SIZE, "%s\n",
783 aac_drivers[dev->cardtype].model);
784 return len;
785 }
786
787 static ssize_t aac_show_vendor(struct device *device,
788 struct device_attribute *attr, char *buf)
789 {
790 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
791 int len;
792
793 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
794 char * cp = dev->supplement_adapter_info.AdapterTypeText;
795 while (*cp && *cp != ' ')
796 ++cp;
797 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
798 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
799 dev->supplement_adapter_info.AdapterTypeText);
800 } else
801 len = snprintf(buf, PAGE_SIZE, "%s\n",
802 aac_drivers[dev->cardtype].vname);
803 return len;
804 }
805
806 static ssize_t aac_show_flags(struct device *cdev,
807 struct device_attribute *attr, char *buf)
808 {
809 int len = 0;
810 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
811
812 if (nblank(dprintk(x)))
813 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
814 #ifdef AAC_DETAILED_STATUS_INFO
815 len += snprintf(buf + len, PAGE_SIZE - len,
816 "AAC_DETAILED_STATUS_INFO\n");
817 #endif
818 if (dev->raw_io_interface && dev->raw_io_64)
819 len += snprintf(buf + len, PAGE_SIZE - len,
820 "SAI_READ_CAPACITY_16\n");
821 if (dev->jbod)
822 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
823 if (dev->supplement_adapter_info.SupportedOptions2 &
824 AAC_OPTION_POWER_MANAGEMENT)
825 len += snprintf(buf + len, PAGE_SIZE - len,
826 "SUPPORTED_POWER_MANAGEMENT\n");
827 if (dev->msi)
828 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
829 return len;
830 }
831
832 static ssize_t aac_show_kernel_version(struct device *device,
833 struct device_attribute *attr,
834 char *buf)
835 {
836 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
837 int len, tmp;
838
839 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
840 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
841 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
842 le32_to_cpu(dev->adapter_info.kernelbuild));
843 return len;
844 }
845
846 static ssize_t aac_show_monitor_version(struct device *device,
847 struct device_attribute *attr,
848 char *buf)
849 {
850 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
851 int len, tmp;
852
853 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
854 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
855 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
856 le32_to_cpu(dev->adapter_info.monitorbuild));
857 return len;
858 }
859
860 static ssize_t aac_show_bios_version(struct device *device,
861 struct device_attribute *attr,
862 char *buf)
863 {
864 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
865 int len, tmp;
866
867 tmp = le32_to_cpu(dev->adapter_info.biosrev);
868 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
869 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
870 le32_to_cpu(dev->adapter_info.biosbuild));
871 return len;
872 }
873
874 static ssize_t aac_show_serial_number(struct device *device,
875 struct device_attribute *attr, char *buf)
876 {
877 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
878 int len = 0;
879
880 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
881 len = snprintf(buf, PAGE_SIZE, "%06X\n",
882 le32_to_cpu(dev->adapter_info.serial[0]));
883 if (len &&
884 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
885 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
886 buf, len-1))
887 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
888 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
889 dev->supplement_adapter_info.MfgPcbaSerialNo);
890 return len;
891 }
892
893 static ssize_t aac_show_max_channel(struct device *device,
894 struct device_attribute *attr, char *buf)
895 {
896 return snprintf(buf, PAGE_SIZE, "%d\n",
897 class_to_shost(device)->max_channel);
898 }
899
900 static ssize_t aac_show_max_id(struct device *device,
901 struct device_attribute *attr, char *buf)
902 {
903 return snprintf(buf, PAGE_SIZE, "%d\n",
904 class_to_shost(device)->max_id);
905 }
906
907 static ssize_t aac_store_reset_adapter(struct device *device,
908 struct device_attribute *attr,
909 const char *buf, size_t count)
910 {
911 int retval = -EACCES;
912
913 if (!capable(CAP_SYS_ADMIN))
914 return retval;
915 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
916 if (retval >= 0)
917 retval = count;
918 return retval;
919 }
920
921 static ssize_t aac_show_reset_adapter(struct device *device,
922 struct device_attribute *attr,
923 char *buf)
924 {
925 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
926 int len, tmp;
927
928 tmp = aac_adapter_check_health(dev);
929 if ((tmp == 0) && dev->in_reset)
930 tmp = -EBUSY;
931 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
932 return len;
933 }
934
935 static struct device_attribute aac_model = {
936 .attr = {
937 .name = "model",
938 .mode = S_IRUGO,
939 },
940 .show = aac_show_model,
941 };
942 static struct device_attribute aac_vendor = {
943 .attr = {
944 .name = "vendor",
945 .mode = S_IRUGO,
946 },
947 .show = aac_show_vendor,
948 };
949 static struct device_attribute aac_flags = {
950 .attr = {
951 .name = "flags",
952 .mode = S_IRUGO,
953 },
954 .show = aac_show_flags,
955 };
956 static struct device_attribute aac_kernel_version = {
957 .attr = {
958 .name = "hba_kernel_version",
959 .mode = S_IRUGO,
960 },
961 .show = aac_show_kernel_version,
962 };
963 static struct device_attribute aac_monitor_version = {
964 .attr = {
965 .name = "hba_monitor_version",
966 .mode = S_IRUGO,
967 },
968 .show = aac_show_monitor_version,
969 };
970 static struct device_attribute aac_bios_version = {
971 .attr = {
972 .name = "hba_bios_version",
973 .mode = S_IRUGO,
974 },
975 .show = aac_show_bios_version,
976 };
977 static struct device_attribute aac_serial_number = {
978 .attr = {
979 .name = "serial_number",
980 .mode = S_IRUGO,
981 },
982 .show = aac_show_serial_number,
983 };
984 static struct device_attribute aac_max_channel = {
985 .attr = {
986 .name = "max_channel",
987 .mode = S_IRUGO,
988 },
989 .show = aac_show_max_channel,
990 };
991 static struct device_attribute aac_max_id = {
992 .attr = {
993 .name = "max_id",
994 .mode = S_IRUGO,
995 },
996 .show = aac_show_max_id,
997 };
998 static struct device_attribute aac_reset = {
999 .attr = {
1000 .name = "reset_host",
1001 .mode = S_IWUSR|S_IRUGO,
1002 },
1003 .store = aac_store_reset_adapter,
1004 .show = aac_show_reset_adapter,
1005 };
1006
1007 static struct device_attribute *aac_attrs[] = {
1008 &aac_model,
1009 &aac_vendor,
1010 &aac_flags,
1011 &aac_kernel_version,
1012 &aac_monitor_version,
1013 &aac_bios_version,
1014 &aac_serial_number,
1015 &aac_max_channel,
1016 &aac_max_id,
1017 &aac_reset,
1018 NULL
1019 };
1020
1021 ssize_t aac_get_serial_number(struct device *device, char *buf)
1022 {
1023 return aac_show_serial_number(device, &aac_serial_number, buf);
1024 }
1025
1026 static const struct file_operations aac_cfg_fops = {
1027 .owner = THIS_MODULE,
1028 .ioctl = aac_cfg_ioctl,
1029 #ifdef CONFIG_COMPAT
1030 .compat_ioctl = aac_compat_cfg_ioctl,
1031 #endif
1032 .open = aac_cfg_open,
1033 };
1034
1035 static struct scsi_host_template aac_driver_template = {
1036 .module = THIS_MODULE,
1037 .name = "AAC",
1038 .proc_name = AAC_DRIVERNAME,
1039 .info = aac_info,
1040 .ioctl = aac_ioctl,
1041 #ifdef CONFIG_COMPAT
1042 .compat_ioctl = aac_compat_ioctl,
1043 #endif
1044 .queuecommand = aac_queuecommand,
1045 .bios_param = aac_biosparm,
1046 .shost_attrs = aac_attrs,
1047 .slave_configure = aac_slave_configure,
1048 .change_queue_depth = aac_change_queue_depth,
1049 .sdev_attrs = aac_dev_attrs,
1050 .eh_abort_handler = aac_eh_abort,
1051 .eh_host_reset_handler = aac_eh_reset,
1052 .can_queue = AAC_NUM_IO_FIB,
1053 .this_id = MAXIMUM_NUM_CONTAINERS,
1054 .sg_tablesize = 16,
1055 .max_sectors = 128,
1056 #if (AAC_NUM_IO_FIB > 256)
1057 .cmd_per_lun = 256,
1058 #else
1059 .cmd_per_lun = AAC_NUM_IO_FIB,
1060 #endif
1061 .use_clustering = ENABLE_CLUSTERING,
1062 .emulated = 1,
1063 };
1064
1065 static void __aac_shutdown(struct aac_dev * aac)
1066 {
1067 if (aac->aif_thread)
1068 kthread_stop(aac->thread);
1069 aac_send_shutdown(aac);
1070 aac_adapter_disable_int(aac);
1071 free_irq(aac->pdev->irq, aac);
1072 if (aac->msi)
1073 pci_disable_msi(aac->pdev);
1074 }
1075
1076 static int __devinit aac_probe_one(struct pci_dev *pdev,
1077 const struct pci_device_id *id)
1078 {
1079 unsigned index = id->driver_data;
1080 struct Scsi_Host *shost;
1081 struct aac_dev *aac;
1082 struct list_head *insert = &aac_devices;
1083 int error = -ENODEV;
1084 int unique_id = 0;
1085
1086 list_for_each_entry(aac, &aac_devices, entry) {
1087 if (aac->id > unique_id)
1088 break;
1089 insert = &aac->entry;
1090 unique_id++;
1091 }
1092
1093 error = pci_enable_device(pdev);
1094 if (error)
1095 goto out;
1096 error = -ENODEV;
1097
1098 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
1099 pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1100 goto out_disable_pdev;
1101 /*
1102 * If the quirk31 bit is set, the adapter needs adapter
1103 * to driver communication memory to be allocated below 2gig
1104 */
1105 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1106 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(31)) ||
1107 pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(31)))
1108 goto out_disable_pdev;
1109
1110 pci_set_master(pdev);
1111
1112 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1113 if (!shost)
1114 goto out_disable_pdev;
1115
1116 shost->irq = pdev->irq;
1117 shost->base = pci_resource_start(pdev, 0);
1118 shost->unique_id = unique_id;
1119 shost->max_cmd_len = 16;
1120
1121 aac = (struct aac_dev *)shost->hostdata;
1122 aac->scsi_host_ptr = shost;
1123 aac->pdev = pdev;
1124 aac->name = aac_driver_template.name;
1125 aac->id = shost->unique_id;
1126 aac->cardtype = index;
1127 INIT_LIST_HEAD(&aac->entry);
1128
1129 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1130 if (!aac->fibs)
1131 goto out_free_host;
1132 spin_lock_init(&aac->fib_lock);
1133
1134 /*
1135 * Map in the registers from the adapter.
1136 */
1137 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1138 if ((*aac_drivers[index].init)(aac))
1139 goto out_unmap;
1140
1141 /*
1142 * Start any kernel threads needed
1143 */
1144 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1145 if (IS_ERR(aac->thread)) {
1146 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1147 error = PTR_ERR(aac->thread);
1148 goto out_deinit;
1149 }
1150
1151 /*
1152 * If we had set a smaller DMA mask earlier, set it to 4gig
1153 * now since the adapter can dma data to at least a 4gig
1154 * address space.
1155 */
1156 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1157 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1158 goto out_deinit;
1159
1160 aac->maximum_num_channels = aac_drivers[index].channels;
1161 error = aac_get_adapter_info(aac);
1162 if (error < 0)
1163 goto out_deinit;
1164
1165 /*
1166 * Lets override negotiations and drop the maximum SG limit to 34
1167 */
1168 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1169 (shost->sg_tablesize > 34)) {
1170 shost->sg_tablesize = 34;
1171 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1172 }
1173
1174 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1175 (shost->sg_tablesize > 17)) {
1176 shost->sg_tablesize = 17;
1177 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1178 }
1179
1180 error = pci_set_dma_max_seg_size(pdev,
1181 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1182 (shost->max_sectors << 9) : 65536);
1183 if (error)
1184 goto out_deinit;
1185
1186 /*
1187 * Firmware printf works only with older firmware.
1188 */
1189 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1190 aac->printf_enabled = 1;
1191 else
1192 aac->printf_enabled = 0;
1193
1194 /*
1195 * max channel will be the physical channels plus 1 virtual channel
1196 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1197 * physical channels are address by their actual physical number+1
1198 */
1199 if (aac->nondasd_support || expose_physicals || aac->jbod)
1200 shost->max_channel = aac->maximum_num_channels;
1201 else
1202 shost->max_channel = 0;
1203
1204 aac_get_config_status(aac, 0);
1205 aac_get_containers(aac);
1206 list_add(&aac->entry, insert);
1207
1208 shost->max_id = aac->maximum_num_containers;
1209 if (shost->max_id < aac->maximum_num_physicals)
1210 shost->max_id = aac->maximum_num_physicals;
1211 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1212 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1213 else
1214 shost->this_id = shost->max_id;
1215
1216 /*
1217 * dmb - we may need to move the setting of these parms somewhere else once
1218 * we get a fib that can report the actual numbers
1219 */
1220 shost->max_lun = AAC_MAX_LUN;
1221
1222 pci_set_drvdata(pdev, shost);
1223
1224 error = scsi_add_host(shost, &pdev->dev);
1225 if (error)
1226 goto out_deinit;
1227 scsi_scan_host(shost);
1228
1229 return 0;
1230
1231 out_deinit:
1232 __aac_shutdown(aac);
1233 out_unmap:
1234 aac_fib_map_free(aac);
1235 if (aac->comm_addr)
1236 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1237 aac->comm_phys);
1238 kfree(aac->queues);
1239 aac_adapter_ioremap(aac, 0);
1240 kfree(aac->fibs);
1241 kfree(aac->fsa_dev);
1242 out_free_host:
1243 scsi_host_put(shost);
1244 out_disable_pdev:
1245 pci_disable_device(pdev);
1246 out:
1247 return error;
1248 }
1249
1250 static void aac_shutdown(struct pci_dev *dev)
1251 {
1252 struct Scsi_Host *shost = pci_get_drvdata(dev);
1253 scsi_block_requests(shost);
1254 __aac_shutdown((struct aac_dev *)shost->hostdata);
1255 }
1256
1257 static void __devexit aac_remove_one(struct pci_dev *pdev)
1258 {
1259 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1260 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1261
1262 scsi_remove_host(shost);
1263
1264 __aac_shutdown(aac);
1265 aac_fib_map_free(aac);
1266 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1267 aac->comm_phys);
1268 kfree(aac->queues);
1269
1270 aac_adapter_ioremap(aac, 0);
1271
1272 kfree(aac->fibs);
1273 kfree(aac->fsa_dev);
1274
1275 list_del(&aac->entry);
1276 scsi_host_put(shost);
1277 pci_disable_device(pdev);
1278 if (list_empty(&aac_devices)) {
1279 unregister_chrdev(aac_cfg_major, "aac");
1280 aac_cfg_major = -1;
1281 }
1282 }
1283
1284 static struct pci_driver aac_pci_driver = {
1285 .name = AAC_DRIVERNAME,
1286 .id_table = aac_pci_tbl,
1287 .probe = aac_probe_one,
1288 .remove = __devexit_p(aac_remove_one),
1289 .shutdown = aac_shutdown,
1290 };
1291
1292 static int __init aac_init(void)
1293 {
1294 int error;
1295
1296 printk(KERN_INFO "Adaptec %s driver %s\n",
1297 AAC_DRIVERNAME, aac_driver_version);
1298
1299 error = pci_register_driver(&aac_pci_driver);
1300 if (error < 0)
1301 return error;
1302
1303 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1304 if (aac_cfg_major < 0) {
1305 printk(KERN_WARNING
1306 "aacraid: unable to register \"aac\" device.\n");
1307 }
1308
1309 return 0;
1310 }
1311
1312 static void __exit aac_exit(void)
1313 {
1314 if (aac_cfg_major > -1)
1315 unregister_chrdev(aac_cfg_major, "aac");
1316 pci_unregister_driver(&aac_pci_driver);
1317 }
1318
1319 module_init(aac_init);
1320 module_exit(aac_exit);
Linux for Ginger Game Console