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Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
[linux-2.6/verdex.git] / drivers / scsi / aacraid / linit.c
blob9aa301c1ed07ac5275ceae2635bdbf8c4ecb650e
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/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 static struct pci_device_id aac_pci_tbl[] = {
90 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
91 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
92 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
93 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
94 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
95 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
96 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
97 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
98 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
99 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
100 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
101 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
102 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
103 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
104 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
105 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
106
107 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
108 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
109 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
110 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
111 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
112 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
113 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
114 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
115 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
116 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
117 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
118 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
121 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
122 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
123 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
124 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
125 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
126 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
127 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
128 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
129 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
130 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
131 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
132 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
133 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
134 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
135 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
136 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
137 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
138 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
139 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
140 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
141 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
142 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
143 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
144 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
145
146 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
147 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
148 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
149 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
150 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
151
152 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
153 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
154 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
155 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
156 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
157 { 0,}
158 };
159 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
160
161 /*
162 * dmb - For now we add the number of channels to this structure.
163 * In the future we should add a fib that reports the number of channels
164 * for the card. At that time we can remove the channels from here
165 */
166 static struct aac_driver_ident aac_drivers[] = {
167 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
176 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
177 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
178 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
181 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
182 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
183
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
187 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
188 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
189 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
190 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
193 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
195 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
196 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
197 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
198 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
199 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
201 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
202 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
203 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
204 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
205 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
206 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
207 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
213 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
214 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
215 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
219 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
220
221 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
222 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
223 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
224 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
225 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
226
227 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
228 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
229 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
230 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
231 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
232 };
233
234 /**
235 * aac_queuecommand - queue a SCSI command
236 * @cmd: SCSI command to queue
237 * @done: Function to call on command completion
238 *
239 * Queues a command for execution by the associated Host Adapter.
240 *
241 * TODO: unify with aac_scsi_cmd().
242 */
243
244 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
245 {
246 struct Scsi_Host *host = cmd->device->host;
247 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
248 u32 count = 0;
249 cmd->scsi_done = done;
250 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
251 struct fib * fib = &dev->fibs[count];
252 struct scsi_cmnd * command;
253 if (fib->hw_fib_va->header.XferState &&
254 ((command = fib->callback_data)) &&
255 (command == cmd) &&
256 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
257 return 0; /* Already owned by Adapter */
258 }
259 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
260 return (aac_scsi_cmd(cmd) ? FAILED : 0);
261 }
262
263 /**
264 * aac_info - Returns the host adapter name
265 * @shost: Scsi host to report on
266 *
267 * Returns a static string describing the device in question
268 */
269
270 static const char *aac_info(struct Scsi_Host *shost)
271 {
272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273 return aac_drivers[dev->cardtype].name;
274 }
275
276 /**
277 * aac_get_driver_ident
278 * @devtype: index into lookup table
279 *
280 * Returns a pointer to the entry in the driver lookup table.
281 */
282
283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
284 {
285 return &aac_drivers[devtype];
286 }
287
288 /**
289 * aac_biosparm - return BIOS parameters for disk
290 * @sdev: The scsi device corresponding to the disk
291 * @bdev: the block device corresponding to the disk
292 * @capacity: the sector capacity of the disk
293 * @geom: geometry block to fill in
294 *
295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
297 * number of cylinders so as not to exceed drive capacity. In order for
298 * disks equal to or larger than 1 GB to be addressable by the BIOS
299 * without exceeding the BIOS limitation of 1024 cylinders, Extended
300 * Translation should be enabled. With Extended Translation enabled,
301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303 * are given a disk geometry of 255 heads and 63 sectors. However, if
304 * the BIOS detects that the Extended Translation setting does not match
305 * the geometry in the partition table, then the translation inferred
306 * from the partition table will be used by the BIOS, and a warning may
307 * be displayed.
308 */
309
310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311 sector_t capacity, int *geom)
312 {
313 struct diskparm *param = (struct diskparm *)geom;
314 unsigned char *buf;
315
316 dprintk((KERN_DEBUG "aac_biosparm.\n"));
317
318 /*
319 * Assuming extended translation is enabled - #REVISIT#
320 */
321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
323 param->heads = 255;
324 param->sectors = 63;
325 } else {
326 param->heads = 128;
327 param->sectors = 32;
328 }
329 } else {
330 param->heads = 64;
331 param->sectors = 32;
332 }
333
334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335
336 /*
337 * Read the first 1024 bytes from the disk device, if the boot
338 * sector partition table is valid, search for a partition table
339 * entry whose end_head matches one of the standard geometry
340 * translations ( 64/32, 128/32, 255/63 ).
341 */
342 buf = scsi_bios_ptable(bdev);
343 if (!buf)
344 return 0;
345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346 struct partition *first = (struct partition * )buf;
347 struct partition *entry = first;
348 int saved_cylinders = param->cylinders;
349 int num;
350 unsigned char end_head, end_sec;
351
352 for(num = 0; num < 4; num++) {
353 end_head = entry->end_head;
354 end_sec = entry->end_sector & 0x3f;
355
356 if(end_head == 63) {
357 param->heads = 64;
358 param->sectors = 32;
359 break;
360 } else if(end_head == 127) {
361 param->heads = 128;
362 param->sectors = 32;
363 break;
364 } else if(end_head == 254) {
365 param->heads = 255;
366 param->sectors = 63;
367 break;
368 }
369 entry++;
370 }
371
372 if (num == 4) {
373 end_head = first->end_head;
374 end_sec = first->end_sector & 0x3f;
375 }
376
377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378 if (num < 4 && end_sec == param->sectors) {
379 if (param->cylinders != saved_cylinders)
380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381 param->heads, param->sectors, num));
382 } else if (end_head > 0 || end_sec > 0) {
383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384 end_head + 1, end_sec, num));
385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386 param->heads, param->sectors));
387 }
388 }
389 kfree(buf);
390 return 0;
391 }
392
393 /**
394 * aac_slave_configure - compute queue depths
395 * @sdev: SCSI device we are considering
396 *
397 * Selects queue depths for each target device based on the host adapter's
398 * total capacity and the queue depth supported by the target device.
399 * A queue depth of one automatically disables tagged queueing.
400 */
401
402 static int aac_slave_configure(struct scsi_device *sdev)
403 {
404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
405 if (aac->jbod && (sdev->type == TYPE_DISK))
406 sdev->removable = 1;
407 if ((sdev->type == TYPE_DISK) &&
408 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
409 (!aac->jbod || sdev->inq_periph_qual) &&
410 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
411 if (expose_physicals == 0)
412 return -ENXIO;
413 if (expose_physicals < 0)
414 sdev->no_uld_attach = 1;
415 }
416 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
417 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
418 !sdev->no_uld_attach) {
419 struct scsi_device * dev;
420 struct Scsi_Host *host = sdev->host;
421 unsigned num_lsu = 0;
422 unsigned num_one = 0;
423 unsigned depth;
424 unsigned cid;
425
426 /*
427 * Firmware has an individual device recovery time typically
428 * of 35 seconds, give us a margin.
429 */
430 if (sdev->timeout < (45 * HZ))
431 sdev->timeout = 45 * HZ;
432 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
433 if (aac->fsa_dev[cid].valid)
434 ++num_lsu;
435 __shost_for_each_device(dev, host) {
436 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
437 (!aac->raid_scsi_mode ||
438 (sdev_channel(sdev) != 2)) &&
439 !dev->no_uld_attach) {
440 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
441 || !aac->fsa_dev[sdev_id(dev)].valid)
442 ++num_lsu;
443 } else
444 ++num_one;
445 }
446 if (num_lsu == 0)
447 ++num_lsu;
448 depth = (host->can_queue - num_one) / num_lsu;
449 if (depth > 256)
450 depth = 256;
451 else if (depth < 2)
452 depth = 2;
453 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
454 } else
455 scsi_adjust_queue_depth(sdev, 0, 1);
456
457 return 0;
458 }
459
460 /**
461 * aac_change_queue_depth - alter queue depths
462 * @sdev: SCSI device we are considering
463 * @depth: desired queue depth
464 *
465 * Alters queue depths for target device based on the host adapter's
466 * total capacity and the queue depth supported by the target device.
467 */
468
469 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
470 {
471 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
472 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
473 struct scsi_device * dev;
474 struct Scsi_Host *host = sdev->host;
475 unsigned num = 0;
476
477 __shost_for_each_device(dev, host) {
478 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
479 (sdev_channel(dev) == CONTAINER_CHANNEL))
480 ++num;
481 ++num;
482 }
483 if (num >= host->can_queue)
484 num = host->can_queue - 1;
485 if (depth > (host->can_queue - num))
486 depth = host->can_queue - num;
487 if (depth > 256)
488 depth = 256;
489 else if (depth < 2)
490 depth = 2;
491 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
492 } else
493 scsi_adjust_queue_depth(sdev, 0, 1);
494 return sdev->queue_depth;
495 }
496
497 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
498 {
499 struct scsi_device *sdev = to_scsi_device(dev);
500 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
501 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
502 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
503 ? "Hidden\n" :
504 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
505 return snprintf(buf, PAGE_SIZE, "%s\n",
506 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
507 }
508
509 static struct device_attribute aac_raid_level_attr = {
510 .attr = {
511 .name = "level",
512 .mode = S_IRUGO,
513 },
514 .show = aac_show_raid_level
515 };
516
517 static struct device_attribute *aac_dev_attrs[] = {
518 &aac_raid_level_attr,
519 NULL,
520 };
521
522 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
523 {
524 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
525 if (!capable(CAP_SYS_RAWIO))
526 return -EPERM;
527 return aac_do_ioctl(dev, cmd, arg);
528 }
529
530 static int aac_eh_abort(struct scsi_cmnd* cmd)
531 {
532 struct scsi_device * dev = cmd->device;
533 struct Scsi_Host * host = dev->host;
534 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
535 int count;
536 int ret = FAILED;
537
538 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
539 AAC_DRIVERNAME,
540 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
541 switch (cmd->cmnd[0]) {
542 case SERVICE_ACTION_IN:
543 if (!(aac->raw_io_interface) ||
544 !(aac->raw_io_64) ||
545 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
546 break;
547 case INQUIRY:
548 case READ_CAPACITY:
549 /* Mark associated FIB to not complete, eh handler does this */
550 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
551 struct fib * fib = &aac->fibs[count];
552 if (fib->hw_fib_va->header.XferState &&
553 (fib->flags & FIB_CONTEXT_FLAG) &&
554 (fib->callback_data == cmd)) {
555 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
556 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
557 ret = SUCCESS;
558 }
559 }
560 break;
561 case TEST_UNIT_READY:
562 /* Mark associated FIB to not complete, eh handler does this */
563 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
564 struct scsi_cmnd * command;
565 struct fib * fib = &aac->fibs[count];
566 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
567 (fib->flags & FIB_CONTEXT_FLAG) &&
568 ((command = fib->callback_data)) &&
569 (command->device == cmd->device)) {
570 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
571 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
572 if (command == cmd)
573 ret = SUCCESS;
574 }
575 }
576 }
577 return ret;
578 }
579
580 /*
581 * aac_eh_reset - Reset command handling
582 * @scsi_cmd: SCSI command block causing the reset
583 *
584 */
585 static int aac_eh_reset(struct scsi_cmnd* cmd)
586 {
587 struct scsi_device * dev = cmd->device;
588 struct Scsi_Host * host = dev->host;
589 struct scsi_cmnd * command;
590 int count;
591 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
592 unsigned long flags;
593
594 /* Mark the associated FIB to not complete, eh handler does this */
595 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
596 struct fib * fib = &aac->fibs[count];
597 if (fib->hw_fib_va->header.XferState &&
598 (fib->flags & FIB_CONTEXT_FLAG) &&
599 (fib->callback_data == cmd)) {
600 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
601 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
602 }
603 }
604 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
605 AAC_DRIVERNAME);
606
607 if ((count = aac_check_health(aac)))
608 return count;
609 /*
610 * Wait for all commands to complete to this specific
611 * target (block maximum 60 seconds).
612 */
613 for (count = 60; count; --count) {
614 int active = aac->in_reset;
615
616 if (active == 0)
617 __shost_for_each_device(dev, host) {
618 spin_lock_irqsave(&dev->list_lock, flags);
619 list_for_each_entry(command, &dev->cmd_list, list) {
620 if ((command != cmd) &&
621 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
622 active++;
623 break;
624 }
625 }
626 spin_unlock_irqrestore(&dev->list_lock, flags);
627 if (active)
628 break;
629
630 }
631 /*
632 * We can exit If all the commands are complete
633 */
634 if (active == 0)
635 return SUCCESS;
636 ssleep(1);
637 }
638 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
639 /*
640 * This adapter needs a blind reset, only do so for Adapters that
641 * support a register, instead of a commanded, reset.
642 */
643 if ((aac->supplement_adapter_info.SupportedOptions2 &
644 AAC_OPTION_MU_RESET) &&
645 aac_check_reset &&
646 ((aac_check_reset != 1) ||
647 !(aac->supplement_adapter_info.SupportedOptions2 &
648 AAC_OPTION_IGNORE_RESET)))
649 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
650 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
651 }
652
653 /**
654 * aac_cfg_open - open a configuration file
655 * @inode: inode being opened
656 * @file: file handle attached
657 *
658 * Called when the configuration device is opened. Does the needed
659 * set up on the handle and then returns
660 *
661 * Bugs: This needs extending to check a given adapter is present
662 * so we can support hot plugging, and to ref count adapters.
663 */
664
665 static int aac_cfg_open(struct inode *inode, struct file *file)
666 {
667 struct aac_dev *aac;
668 unsigned minor_number = iminor(inode);
669 int err = -ENODEV;
670
671 lock_kernel(); /* BKL pushdown: nothing else protects this list */
672 list_for_each_entry(aac, &aac_devices, entry) {
673 if (aac->id == minor_number) {
674 file->private_data = aac;
675 err = 0;
676 break;
677 }
678 }
679 unlock_kernel();
680
681 return err;
682 }
683
684 /**
685 * aac_cfg_ioctl - AAC configuration request
686 * @inode: inode of device
687 * @file: file handle
688 * @cmd: ioctl command code
689 * @arg: argument
690 *
691 * Handles a configuration ioctl. Currently this involves wrapping it
692 * up and feeding it into the nasty windowsalike glue layer.
693 *
694 * Bugs: Needs locking against parallel ioctls lower down
695 * Bugs: Needs to handle hot plugging
696 */
697
698 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
699 unsigned int cmd, unsigned long arg)
700 {
701 if (!capable(CAP_SYS_RAWIO))
702 return -EPERM;
703 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
704 }
705
706 #ifdef CONFIG_COMPAT
707 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
708 {
709 long ret;
710 lock_kernel();
711 switch (cmd) {
712 case FSACTL_MINIPORT_REV_CHECK:
713 case FSACTL_SENDFIB:
714 case FSACTL_OPEN_GET_ADAPTER_FIB:
715 case FSACTL_CLOSE_GET_ADAPTER_FIB:
716 case FSACTL_SEND_RAW_SRB:
717 case FSACTL_GET_PCI_INFO:
718 case FSACTL_QUERY_DISK:
719 case FSACTL_DELETE_DISK:
720 case FSACTL_FORCE_DELETE_DISK:
721 case FSACTL_GET_CONTAINERS:
722 case FSACTL_SEND_LARGE_FIB:
723 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
724 break;
725
726 case FSACTL_GET_NEXT_ADAPTER_FIB: {
727 struct fib_ioctl __user *f;
728
729 f = compat_alloc_user_space(sizeof(*f));
730 ret = 0;
731 if (clear_user(f, sizeof(*f)))
732 ret = -EFAULT;
733 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
734 ret = -EFAULT;
735 if (!ret)
736 ret = aac_do_ioctl(dev, cmd, f);
737 break;
738 }
739
740 default:
741 ret = -ENOIOCTLCMD;
742 break;
743 }
744 unlock_kernel();
745 return ret;
746 }
747
748 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
749 {
750 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
751 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
752 }
753
754 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
755 {
756 if (!capable(CAP_SYS_RAWIO))
757 return -EPERM;
758 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
759 }
760 #endif
761
762 static ssize_t aac_show_model(struct device *device,
763 struct device_attribute *attr, char *buf)
764 {
765 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
766 int len;
767
768 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
769 char * cp = dev->supplement_adapter_info.AdapterTypeText;
770 while (*cp && *cp != ' ')
771 ++cp;
772 while (*cp == ' ')
773 ++cp;
774 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
775 } else
776 len = snprintf(buf, PAGE_SIZE, "%s\n",
777 aac_drivers[dev->cardtype].model);
778 return len;
779 }
780
781 static ssize_t aac_show_vendor(struct device *device,
782 struct device_attribute *attr, char *buf)
783 {
784 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
785 int len;
786
787 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
788 char * cp = dev->supplement_adapter_info.AdapterTypeText;
789 while (*cp && *cp != ' ')
790 ++cp;
791 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
792 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
793 dev->supplement_adapter_info.AdapterTypeText);
794 } else
795 len = snprintf(buf, PAGE_SIZE, "%s\n",
796 aac_drivers[dev->cardtype].vname);
797 return len;
798 }
799
800 static ssize_t aac_show_flags(struct device *cdev,
801 struct device_attribute *attr, char *buf)
802 {
803 int len = 0;
804 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
805
806 if (nblank(dprintk(x)))
807 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
808 #ifdef AAC_DETAILED_STATUS_INFO
809 len += snprintf(buf + len, PAGE_SIZE - len,
810 "AAC_DETAILED_STATUS_INFO\n");
811 #endif
812 if (dev->raw_io_interface && dev->raw_io_64)
813 len += snprintf(buf + len, PAGE_SIZE - len,
814 "SAI_READ_CAPACITY_16\n");
815 if (dev->jbod)
816 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
817 if (dev->supplement_adapter_info.SupportedOptions2 &
818 AAC_OPTION_POWER_MANAGEMENT)
819 len += snprintf(buf + len, PAGE_SIZE - len,
820 "SUPPORTED_POWER_MANAGEMENT\n");
821 if (dev->msi)
822 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
823 return len;
824 }
825
826 static ssize_t aac_show_kernel_version(struct device *device,
827 struct device_attribute *attr,
828 char *buf)
829 {
830 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
831 int len, tmp;
832
833 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
834 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
835 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
836 le32_to_cpu(dev->adapter_info.kernelbuild));
837 return len;
838 }
839
840 static ssize_t aac_show_monitor_version(struct device *device,
841 struct device_attribute *attr,
842 char *buf)
843 {
844 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
845 int len, tmp;
846
847 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
848 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
849 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
850 le32_to_cpu(dev->adapter_info.monitorbuild));
851 return len;
852 }
853
854 static ssize_t aac_show_bios_version(struct device *device,
855 struct device_attribute *attr,
856 char *buf)
857 {
858 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
859 int len, tmp;
860
861 tmp = le32_to_cpu(dev->adapter_info.biosrev);
862 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
863 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
864 le32_to_cpu(dev->adapter_info.biosbuild));
865 return len;
866 }
867
868 static ssize_t aac_show_serial_number(struct device *device,
869 struct device_attribute *attr, char *buf)
870 {
871 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
872 int len = 0;
873
874 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
875 len = snprintf(buf, PAGE_SIZE, "%06X\n",
876 le32_to_cpu(dev->adapter_info.serial[0]));
877 if (len &&
878 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
879 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
880 buf, len-1))
881 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
882 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
883 dev->supplement_adapter_info.MfgPcbaSerialNo);
884 return len;
885 }
886
887 static ssize_t aac_show_max_channel(struct device *device,
888 struct device_attribute *attr, char *buf)
889 {
890 return snprintf(buf, PAGE_SIZE, "%d\n",
891 class_to_shost(device)->max_channel);
892 }
893
894 static ssize_t aac_show_max_id(struct device *device,
895 struct device_attribute *attr, char *buf)
896 {
897 return snprintf(buf, PAGE_SIZE, "%d\n",
898 class_to_shost(device)->max_id);
899 }
900
901 static ssize_t aac_store_reset_adapter(struct device *device,
902 struct device_attribute *attr,
903 const char *buf, size_t count)
904 {
905 int retval = -EACCES;
906
907 if (!capable(CAP_SYS_ADMIN))
908 return retval;
909 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
910 if (retval >= 0)
911 retval = count;
912 return retval;
913 }
914
915 static ssize_t aac_show_reset_adapter(struct device *device,
916 struct device_attribute *attr,
917 char *buf)
918 {
919 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
920 int len, tmp;
921
922 tmp = aac_adapter_check_health(dev);
923 if ((tmp == 0) && dev->in_reset)
924 tmp = -EBUSY;
925 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
926 return len;
927 }
928
929 static struct device_attribute aac_model = {
930 .attr = {
931 .name = "model",
932 .mode = S_IRUGO,
933 },
934 .show = aac_show_model,
935 };
936 static struct device_attribute aac_vendor = {
937 .attr = {
938 .name = "vendor",
939 .mode = S_IRUGO,
940 },
941 .show = aac_show_vendor,
942 };
943 static struct device_attribute aac_flags = {
944 .attr = {
945 .name = "flags",
946 .mode = S_IRUGO,
947 },
948 .show = aac_show_flags,
949 };
950 static struct device_attribute aac_kernel_version = {
951 .attr = {
952 .name = "hba_kernel_version",
953 .mode = S_IRUGO,
954 },
955 .show = aac_show_kernel_version,
956 };
957 static struct device_attribute aac_monitor_version = {
958 .attr = {
959 .name = "hba_monitor_version",
960 .mode = S_IRUGO,
961 },
962 .show = aac_show_monitor_version,
963 };
964 static struct device_attribute aac_bios_version = {
965 .attr = {
966 .name = "hba_bios_version",
967 .mode = S_IRUGO,
968 },
969 .show = aac_show_bios_version,
970 };
971 static struct device_attribute aac_serial_number = {
972 .attr = {
973 .name = "serial_number",
974 .mode = S_IRUGO,
975 },
976 .show = aac_show_serial_number,
977 };
978 static struct device_attribute aac_max_channel = {
979 .attr = {
980 .name = "max_channel",
981 .mode = S_IRUGO,
982 },
983 .show = aac_show_max_channel,
984 };
985 static struct device_attribute aac_max_id = {
986 .attr = {
987 .name = "max_id",
988 .mode = S_IRUGO,
989 },
990 .show = aac_show_max_id,
991 };
992 static struct device_attribute aac_reset = {
993 .attr = {
994 .name = "reset_host",
995 .mode = S_IWUSR|S_IRUGO,
996 },
997 .store = aac_store_reset_adapter,
998 .show = aac_show_reset_adapter,
999 };
1000
1001 static struct device_attribute *aac_attrs[] = {
1002 &aac_model,
1003 &aac_vendor,
1004 &aac_flags,
1005 &aac_kernel_version,
1006 &aac_monitor_version,
1007 &aac_bios_version,
1008 &aac_serial_number,
1009 &aac_max_channel,
1010 &aac_max_id,
1011 &aac_reset,
1012 NULL
1013 };
1014
1015 ssize_t aac_get_serial_number(struct device *device, char *buf)
1016 {
1017 return aac_show_serial_number(device, &aac_serial_number, buf);
1018 }
1019
1020 static const struct file_operations aac_cfg_fops = {
1021 .owner = THIS_MODULE,
1022 .ioctl = aac_cfg_ioctl,
1023 #ifdef CONFIG_COMPAT
1024 .compat_ioctl = aac_compat_cfg_ioctl,
1025 #endif
1026 .open = aac_cfg_open,
1027 };
1028
1029 static struct scsi_host_template aac_driver_template = {
1030 .module = THIS_MODULE,
1031 .name = "AAC",
1032 .proc_name = AAC_DRIVERNAME,
1033 .info = aac_info,
1034 .ioctl = aac_ioctl,
1035 #ifdef CONFIG_COMPAT
1036 .compat_ioctl = aac_compat_ioctl,
1037 #endif
1038 .queuecommand = aac_queuecommand,
1039 .bios_param = aac_biosparm,
1040 .shost_attrs = aac_attrs,
1041 .slave_configure = aac_slave_configure,
1042 .change_queue_depth = aac_change_queue_depth,
1043 .sdev_attrs = aac_dev_attrs,
1044 .eh_abort_handler = aac_eh_abort,
1045 .eh_host_reset_handler = aac_eh_reset,
1046 .can_queue = AAC_NUM_IO_FIB,
1047 .this_id = MAXIMUM_NUM_CONTAINERS,
1048 .sg_tablesize = 16,
1049 .max_sectors = 128,
1050 #if (AAC_NUM_IO_FIB > 256)
1051 .cmd_per_lun = 256,
1052 #else
1053 .cmd_per_lun = AAC_NUM_IO_FIB,
1054 #endif
1055 .use_clustering = ENABLE_CLUSTERING,
1056 .emulated = 1,
1057 };
1058
1059 static void __aac_shutdown(struct aac_dev * aac)
1060 {
1061 if (aac->aif_thread)
1062 kthread_stop(aac->thread);
1063 aac_send_shutdown(aac);
1064 aac_adapter_disable_int(aac);
1065 free_irq(aac->pdev->irq, aac);
1066 if (aac->msi)
1067 pci_disable_msi(aac->pdev);
1068 }
1069
1070 static int __devinit aac_probe_one(struct pci_dev *pdev,
1071 const struct pci_device_id *id)
1072 {
1073 unsigned index = id->driver_data;
1074 struct Scsi_Host *shost;
1075 struct aac_dev *aac;
1076 struct list_head *insert = &aac_devices;
1077 int error = -ENODEV;
1078 int unique_id = 0;
1079
1080 list_for_each_entry(aac, &aac_devices, entry) {
1081 if (aac->id > unique_id)
1082 break;
1083 insert = &aac->entry;
1084 unique_id++;
1085 }
1086
1087 error = pci_enable_device(pdev);
1088 if (error)
1089 goto out;
1090 error = -ENODEV;
1091
1092 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1093 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1094 goto out_disable_pdev;
1095 /*
1096 * If the quirk31 bit is set, the adapter needs adapter
1097 * to driver communication memory to be allocated below 2gig
1098 */
1099 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1100 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1101 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1102 goto out_disable_pdev;
1103
1104 pci_set_master(pdev);
1105
1106 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1107 if (!shost)
1108 goto out_disable_pdev;
1109
1110 shost->irq = pdev->irq;
1111 shost->base = pci_resource_start(pdev, 0);
1112 shost->unique_id = unique_id;
1113 shost->max_cmd_len = 16;
1114
1115 aac = (struct aac_dev *)shost->hostdata;
1116 aac->scsi_host_ptr = shost;
1117 aac->pdev = pdev;
1118 aac->name = aac_driver_template.name;
1119 aac->id = shost->unique_id;
1120 aac->cardtype = index;
1121 INIT_LIST_HEAD(&aac->entry);
1122
1123 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1124 if (!aac->fibs)
1125 goto out_free_host;
1126 spin_lock_init(&aac->fib_lock);
1127
1128 /*
1129 * Map in the registers from the adapter.
1130 */
1131 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1132 if ((*aac_drivers[index].init)(aac))
1133 goto out_unmap;
1134
1135 /*
1136 * Start any kernel threads needed
1137 */
1138 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1139 if (IS_ERR(aac->thread)) {
1140 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1141 error = PTR_ERR(aac->thread);
1142 goto out_deinit;
1143 }
1144
1145 /*
1146 * If we had set a smaller DMA mask earlier, set it to 4gig
1147 * now since the adapter can dma data to at least a 4gig
1148 * address space.
1149 */
1150 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1151 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1152 goto out_deinit;
1153
1154 aac->maximum_num_channels = aac_drivers[index].channels;
1155 error = aac_get_adapter_info(aac);
1156 if (error < 0)
1157 goto out_deinit;
1158
1159 /*
1160 * Lets override negotiations and drop the maximum SG limit to 34
1161 */
1162 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1163 (shost->sg_tablesize > 34)) {
1164 shost->sg_tablesize = 34;
1165 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1166 }
1167
1168 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1169 (shost->sg_tablesize > 17)) {
1170 shost->sg_tablesize = 17;
1171 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1172 }
1173
1174 error = pci_set_dma_max_seg_size(pdev,
1175 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1176 (shost->max_sectors << 9) : 65536);
1177 if (error)
1178 goto out_deinit;
1179
1180 /*
1181 * Firmware printf works only with older firmware.
1182 */
1183 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1184 aac->printf_enabled = 1;
1185 else
1186 aac->printf_enabled = 0;
1187
1188 /*
1189 * max channel will be the physical channels plus 1 virtual channel
1190 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1191 * physical channels are address by their actual physical number+1
1192 */
1193 if (aac->nondasd_support || expose_physicals || aac->jbod)
1194 shost->max_channel = aac->maximum_num_channels;
1195 else
1196 shost->max_channel = 0;
1197
1198 aac_get_config_status(aac, 0);
1199 aac_get_containers(aac);
1200 list_add(&aac->entry, insert);
1201
1202 shost->max_id = aac->maximum_num_containers;
1203 if (shost->max_id < aac->maximum_num_physicals)
1204 shost->max_id = aac->maximum_num_physicals;
1205 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1206 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1207 else
1208 shost->this_id = shost->max_id;
1209
1210 /*
1211 * dmb - we may need to move the setting of these parms somewhere else once
1212 * we get a fib that can report the actual numbers
1213 */
1214 shost->max_lun = AAC_MAX_LUN;
1215
1216 pci_set_drvdata(pdev, shost);
1217
1218 error = scsi_add_host(shost, &pdev->dev);
1219 if (error)
1220 goto out_deinit;
1221 scsi_scan_host(shost);
1222
1223 return 0;
1224
1225 out_deinit:
1226 __aac_shutdown(aac);
1227 out_unmap:
1228 aac_fib_map_free(aac);
1229 if (aac->comm_addr)
1230 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1231 aac->comm_phys);
1232 kfree(aac->queues);
1233 aac_adapter_ioremap(aac, 0);
1234 kfree(aac->fibs);
1235 kfree(aac->fsa_dev);
1236 out_free_host:
1237 scsi_host_put(shost);
1238 out_disable_pdev:
1239 pci_disable_device(pdev);
1240 out:
1241 return error;
1242 }
1243
1244 static void aac_shutdown(struct pci_dev *dev)
1245 {
1246 struct Scsi_Host *shost = pci_get_drvdata(dev);
1247 scsi_block_requests(shost);
1248 __aac_shutdown((struct aac_dev *)shost->hostdata);
1249 }
1250
1251 static void __devexit aac_remove_one(struct pci_dev *pdev)
1252 {
1253 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1254 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1255
1256 scsi_remove_host(shost);
1257
1258 __aac_shutdown(aac);
1259 aac_fib_map_free(aac);
1260 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1261 aac->comm_phys);
1262 kfree(aac->queues);
1263
1264 aac_adapter_ioremap(aac, 0);
1265
1266 kfree(aac->fibs);
1267 kfree(aac->fsa_dev);
1268
1269 list_del(&aac->entry);
1270 scsi_host_put(shost);
1271 pci_disable_device(pdev);
1272 if (list_empty(&aac_devices)) {
1273 unregister_chrdev(aac_cfg_major, "aac");
1274 aac_cfg_major = -1;
1275 }
1276 }
1277
1278 static struct pci_driver aac_pci_driver = {
1279 .name = AAC_DRIVERNAME,
1280 .id_table = aac_pci_tbl,
1281 .probe = aac_probe_one,
1282 .remove = __devexit_p(aac_remove_one),
1283 .shutdown = aac_shutdown,
1284 };
1285
1286 static int __init aac_init(void)
1287 {
1288 int error;
1289
1290 printk(KERN_INFO "Adaptec %s driver %s\n",
1291 AAC_DRIVERNAME, aac_driver_version);
1292
1293 error = pci_register_driver(&aac_pci_driver);
1294 if (error < 0)
1295 return error;
1296
1297 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1298 if (aac_cfg_major < 0) {
1299 printk(KERN_WARNING
1300 "aacraid: unable to register \"aac\" device.\n");
1301 }
1302
1303 return 0;
1304 }
1305
1306 static void __exit aac_exit(void)
1307 {
1308 if (aac_cfg_major > -1)
1309 unregister_chrdev(aac_cfg_major, "aac");
1310 pci_unregister_driver(&aac_pci_driver);
1311 }
1312
1313 module_init(aac_init);
1314 module_exit(aac_exit);
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