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x86: cpa self-test, WARN_ON()
[wrt350n-kernel.git] / drivers / scsi / aacraid / linit.c
blob61be22774e99786390ca0702cb932b3aa1812799
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2, or (at your option)
13 * any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; see the file COPYING. If not, write to
22 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * Module Name:
25 * linit.c
26 *
27 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28 */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/spinlock.h>
42 #include <linux/syscalls.h>
43 #include <linux/delay.h>
44 #include <linux/kthread.h>
45 #include <asm/semaphore.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 ((sdev->type == TYPE_DISK) &&
406 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
407 (!aac->jbod || sdev->inq_periph_qual) &&
408 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
409 if (expose_physicals == 0)
410 return -ENXIO;
411 if (expose_physicals < 0)
412 sdev->no_uld_attach = 1;
413 }
414 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
415 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
416 !sdev->no_uld_attach) {
417 struct scsi_device * dev;
418 struct Scsi_Host *host = sdev->host;
419 unsigned num_lsu = 0;
420 unsigned num_one = 0;
421 unsigned depth;
422 unsigned cid;
423
424 /*
425 * Firmware has an individual device recovery time typically
426 * of 35 seconds, give us a margin.
427 */
428 if (sdev->timeout < (45 * HZ))
429 sdev->timeout = 45 * HZ;
430 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
431 if (aac->fsa_dev[cid].valid)
432 ++num_lsu;
433 __shost_for_each_device(dev, host) {
434 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
435 (!aac->raid_scsi_mode ||
436 (sdev_channel(sdev) != 2)) &&
437 !dev->no_uld_attach) {
438 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
439 || !aac->fsa_dev[sdev_id(dev)].valid)
440 ++num_lsu;
441 } else
442 ++num_one;
443 }
444 if (num_lsu == 0)
445 ++num_lsu;
446 depth = (host->can_queue - num_one) / num_lsu;
447 if (depth > 256)
448 depth = 256;
449 else if (depth < 2)
450 depth = 2;
451 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
452 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
453 AAC_OPT_NEW_COMM))
454 blk_queue_max_segment_size(sdev->request_queue, 65536);
455 } else
456 scsi_adjust_queue_depth(sdev, 0, 1);
457
458 return 0;
459 }
460
461 /**
462 * aac_change_queue_depth - alter queue depths
463 * @sdev: SCSI device we are considering
464 * @depth: desired queue depth
465 *
466 * Alters queue depths for target device based on the host adapter's
467 * total capacity and the queue depth supported by the target device.
468 */
469
470 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
471 {
472 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
473 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
474 struct scsi_device * dev;
475 struct Scsi_Host *host = sdev->host;
476 unsigned num = 0;
477
478 __shost_for_each_device(dev, host) {
479 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
480 (sdev_channel(dev) == CONTAINER_CHANNEL))
481 ++num;
482 ++num;
483 }
484 if (num >= host->can_queue)
485 num = host->can_queue - 1;
486 if (depth > (host->can_queue - num))
487 depth = host->can_queue - num;
488 if (depth > 256)
489 depth = 256;
490 else if (depth < 2)
491 depth = 2;
492 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
493 } else
494 scsi_adjust_queue_depth(sdev, 0, 1);
495 return sdev->queue_depth;
496 }
497
498 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
499 {
500 struct scsi_device * sdev = to_scsi_device(dev);
501 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
502 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
503 ? "Hidden\n" : "JBOD");
504 return snprintf(buf, PAGE_SIZE, "%s\n",
505 get_container_type(((struct aac_dev *)(sdev->host->hostdata))
506 ->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 list_for_each_entry(aac, &aac_devices, entry) {
672 if (aac->id == minor_number) {
673 file->private_data = aac;
674 err = 0;
675 break;
676 }
677 }
678
679 return err;
680 }
681
682 /**
683 * aac_cfg_ioctl - AAC configuration request
684 * @inode: inode of device
685 * @file: file handle
686 * @cmd: ioctl command code
687 * @arg: argument
688 *
689 * Handles a configuration ioctl. Currently this involves wrapping it
690 * up and feeding it into the nasty windowsalike glue layer.
691 *
692 * Bugs: Needs locking against parallel ioctls lower down
693 * Bugs: Needs to handle hot plugging
694 */
695
696 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
697 unsigned int cmd, unsigned long arg)
698 {
699 if (!capable(CAP_SYS_RAWIO))
700 return -EPERM;
701 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
702 }
703
704 #ifdef CONFIG_COMPAT
705 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
706 {
707 long ret;
708 lock_kernel();
709 switch (cmd) {
710 case FSACTL_MINIPORT_REV_CHECK:
711 case FSACTL_SENDFIB:
712 case FSACTL_OPEN_GET_ADAPTER_FIB:
713 case FSACTL_CLOSE_GET_ADAPTER_FIB:
714 case FSACTL_SEND_RAW_SRB:
715 case FSACTL_GET_PCI_INFO:
716 case FSACTL_QUERY_DISK:
717 case FSACTL_DELETE_DISK:
718 case FSACTL_FORCE_DELETE_DISK:
719 case FSACTL_GET_CONTAINERS:
720 case FSACTL_SEND_LARGE_FIB:
721 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
722 break;
723
724 case FSACTL_GET_NEXT_ADAPTER_FIB: {
725 struct fib_ioctl __user *f;
726
727 f = compat_alloc_user_space(sizeof(*f));
728 ret = 0;
729 if (clear_user(f, sizeof(*f)))
730 ret = -EFAULT;
731 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
732 ret = -EFAULT;
733 if (!ret)
734 ret = aac_do_ioctl(dev, cmd, f);
735 break;
736 }
737
738 default:
739 ret = -ENOIOCTLCMD;
740 break;
741 }
742 unlock_kernel();
743 return ret;
744 }
745
746 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
747 {
748 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
749 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
750 }
751
752 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
753 {
754 if (!capable(CAP_SYS_RAWIO))
755 return -EPERM;
756 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
757 }
758 #endif
759
760 static ssize_t aac_show_model(struct class_device *class_dev,
761 char *buf)
762 {
763 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
764 int len;
765
766 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
767 char * cp = dev->supplement_adapter_info.AdapterTypeText;
768 while (*cp && *cp != ' ')
769 ++cp;
770 while (*cp == ' ')
771 ++cp;
772 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
773 } else
774 len = snprintf(buf, PAGE_SIZE, "%s\n",
775 aac_drivers[dev->cardtype].model);
776 return len;
777 }
778
779 static ssize_t aac_show_vendor(struct class_device *class_dev,
780 char *buf)
781 {
782 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
783 int len;
784
785 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
786 char * cp = dev->supplement_adapter_info.AdapterTypeText;
787 while (*cp && *cp != ' ')
788 ++cp;
789 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
790 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
791 dev->supplement_adapter_info.AdapterTypeText);
792 } else
793 len = snprintf(buf, PAGE_SIZE, "%s\n",
794 aac_drivers[dev->cardtype].vname);
795 return len;
796 }
797
798 static ssize_t aac_show_flags(struct class_device *class_dev, char *buf)
799 {
800 int len = 0;
801 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
802
803 if (nblank(dprintk(x)))
804 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
805 #ifdef AAC_DETAILED_STATUS_INFO
806 len += snprintf(buf + len, PAGE_SIZE - len,
807 "AAC_DETAILED_STATUS_INFO\n");
808 #endif
809 if (dev->raw_io_interface && dev->raw_io_64)
810 len += snprintf(buf + len, PAGE_SIZE - len,
811 "SAI_READ_CAPACITY_16\n");
812 if (dev->jbod)
813 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
814 return len;
815 }
816
817 static ssize_t aac_show_kernel_version(struct class_device *class_dev,
818 char *buf)
819 {
820 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
821 int len, tmp;
822
823 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
824 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
825 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
826 le32_to_cpu(dev->adapter_info.kernelbuild));
827 return len;
828 }
829
830 static ssize_t aac_show_monitor_version(struct class_device *class_dev,
831 char *buf)
832 {
833 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
834 int len, tmp;
835
836 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
837 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
838 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
839 le32_to_cpu(dev->adapter_info.monitorbuild));
840 return len;
841 }
842
843 static ssize_t aac_show_bios_version(struct class_device *class_dev,
844 char *buf)
845 {
846 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
847 int len, tmp;
848
849 tmp = le32_to_cpu(dev->adapter_info.biosrev);
850 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
851 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
852 le32_to_cpu(dev->adapter_info.biosbuild));
853 return len;
854 }
855
856 ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf)
857 {
858 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
859 int len = 0;
860
861 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
862 len = snprintf(buf, PAGE_SIZE, "%06X\n",
863 le32_to_cpu(dev->adapter_info.serial[0]));
864 if (len &&
865 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
866 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len],
867 buf, len))
868 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
869 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
870 dev->supplement_adapter_info.MfgPcbaSerialNo);
871 return len;
872 }
873
874 static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
875 {
876 return snprintf(buf, PAGE_SIZE, "%d\n",
877 class_to_shost(class_dev)->max_channel);
878 }
879
880 static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
881 {
882 return snprintf(buf, PAGE_SIZE, "%d\n",
883 class_to_shost(class_dev)->max_id);
884 }
885
886 static ssize_t aac_store_reset_adapter(struct class_device *class_dev,
887 const char *buf, size_t count)
888 {
889 int retval = -EACCES;
890
891 if (!capable(CAP_SYS_ADMIN))
892 return retval;
893 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(class_dev)->hostdata, buf[0] == '!');
894 if (retval >= 0)
895 retval = count;
896 return retval;
897 }
898
899 static ssize_t aac_show_reset_adapter(struct class_device *class_dev,
900 char *buf)
901 {
902 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
903 int len, tmp;
904
905 tmp = aac_adapter_check_health(dev);
906 if ((tmp == 0) && dev->in_reset)
907 tmp = -EBUSY;
908 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
909 return len;
910 }
911
912 static struct class_device_attribute aac_model = {
913 .attr = {
914 .name = "model",
915 .mode = S_IRUGO,
916 },
917 .show = aac_show_model,
918 };
919 static struct class_device_attribute aac_vendor = {
920 .attr = {
921 .name = "vendor",
922 .mode = S_IRUGO,
923 },
924 .show = aac_show_vendor,
925 };
926 static struct class_device_attribute aac_flags = {
927 .attr = {
928 .name = "flags",
929 .mode = S_IRUGO,
930 },
931 .show = aac_show_flags,
932 };
933 static struct class_device_attribute aac_kernel_version = {
934 .attr = {
935 .name = "hba_kernel_version",
936 .mode = S_IRUGO,
937 },
938 .show = aac_show_kernel_version,
939 };
940 static struct class_device_attribute aac_monitor_version = {
941 .attr = {
942 .name = "hba_monitor_version",
943 .mode = S_IRUGO,
944 },
945 .show = aac_show_monitor_version,
946 };
947 static struct class_device_attribute aac_bios_version = {
948 .attr = {
949 .name = "hba_bios_version",
950 .mode = S_IRUGO,
951 },
952 .show = aac_show_bios_version,
953 };
954 static struct class_device_attribute aac_serial_number = {
955 .attr = {
956 .name = "serial_number",
957 .mode = S_IRUGO,
958 },
959 .show = aac_show_serial_number,
960 };
961 static struct class_device_attribute aac_max_channel = {
962 .attr = {
963 .name = "max_channel",
964 .mode = S_IRUGO,
965 },
966 .show = aac_show_max_channel,
967 };
968 static struct class_device_attribute aac_max_id = {
969 .attr = {
970 .name = "max_id",
971 .mode = S_IRUGO,
972 },
973 .show = aac_show_max_id,
974 };
975 static struct class_device_attribute aac_reset = {
976 .attr = {
977 .name = "reset_host",
978 .mode = S_IWUSR|S_IRUGO,
979 },
980 .store = aac_store_reset_adapter,
981 .show = aac_show_reset_adapter,
982 };
983
984 static struct class_device_attribute *aac_attrs[] = {
985 &aac_model,
986 &aac_vendor,
987 &aac_flags,
988 &aac_kernel_version,
989 &aac_monitor_version,
990 &aac_bios_version,
991 &aac_serial_number,
992 &aac_max_channel,
993 &aac_max_id,
994 &aac_reset,
995 NULL
996 };
997
998
999 static const struct file_operations aac_cfg_fops = {
1000 .owner = THIS_MODULE,
1001 .ioctl = aac_cfg_ioctl,
1002 #ifdef CONFIG_COMPAT
1003 .compat_ioctl = aac_compat_cfg_ioctl,
1004 #endif
1005 .open = aac_cfg_open,
1006 };
1007
1008 static struct scsi_host_template aac_driver_template = {
1009 .module = THIS_MODULE,
1010 .name = "AAC",
1011 .proc_name = AAC_DRIVERNAME,
1012 .info = aac_info,
1013 .ioctl = aac_ioctl,
1014 #ifdef CONFIG_COMPAT
1015 .compat_ioctl = aac_compat_ioctl,
1016 #endif
1017 .queuecommand = aac_queuecommand,
1018 .bios_param = aac_biosparm,
1019 .shost_attrs = aac_attrs,
1020 .slave_configure = aac_slave_configure,
1021 .change_queue_depth = aac_change_queue_depth,
1022 .sdev_attrs = aac_dev_attrs,
1023 .eh_abort_handler = aac_eh_abort,
1024 .eh_host_reset_handler = aac_eh_reset,
1025 .can_queue = AAC_NUM_IO_FIB,
1026 .this_id = MAXIMUM_NUM_CONTAINERS,
1027 .sg_tablesize = 16,
1028 .max_sectors = 128,
1029 #if (AAC_NUM_IO_FIB > 256)
1030 .cmd_per_lun = 256,
1031 #else
1032 .cmd_per_lun = AAC_NUM_IO_FIB,
1033 #endif
1034 .use_clustering = ENABLE_CLUSTERING,
1035 .use_sg_chaining = ENABLE_SG_CHAINING,
1036 .emulated = 1,
1037 };
1038
1039 static void __aac_shutdown(struct aac_dev * aac)
1040 {
1041 if (aac->aif_thread)
1042 kthread_stop(aac->thread);
1043 aac_send_shutdown(aac);
1044 aac_adapter_disable_int(aac);
1045 free_irq(aac->pdev->irq, aac);
1046 }
1047
1048 static int __devinit aac_probe_one(struct pci_dev *pdev,
1049 const struct pci_device_id *id)
1050 {
1051 unsigned index = id->driver_data;
1052 struct Scsi_Host *shost;
1053 struct aac_dev *aac;
1054 struct list_head *insert = &aac_devices;
1055 int error = -ENODEV;
1056 int unique_id = 0;
1057
1058 list_for_each_entry(aac, &aac_devices, entry) {
1059 if (aac->id > unique_id)
1060 break;
1061 insert = &aac->entry;
1062 unique_id++;
1063 }
1064
1065 error = pci_enable_device(pdev);
1066 if (error)
1067 goto out;
1068 error = -ENODEV;
1069
1070 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1071 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1072 goto out_disable_pdev;
1073 /*
1074 * If the quirk31 bit is set, the adapter needs adapter
1075 * to driver communication memory to be allocated below 2gig
1076 */
1077 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1078 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1079 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1080 goto out_disable_pdev;
1081
1082 pci_set_master(pdev);
1083
1084 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1085 if (!shost)
1086 goto out_disable_pdev;
1087
1088 shost->irq = pdev->irq;
1089 shost->base = pci_resource_start(pdev, 0);
1090 shost->unique_id = unique_id;
1091 shost->max_cmd_len = 16;
1092
1093 aac = (struct aac_dev *)shost->hostdata;
1094 aac->scsi_host_ptr = shost;
1095 aac->pdev = pdev;
1096 aac->name = aac_driver_template.name;
1097 aac->id = shost->unique_id;
1098 aac->cardtype = index;
1099 INIT_LIST_HEAD(&aac->entry);
1100
1101 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1102 if (!aac->fibs)
1103 goto out_free_host;
1104 spin_lock_init(&aac->fib_lock);
1105
1106 /*
1107 * Map in the registers from the adapter.
1108 */
1109 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1110 if ((*aac_drivers[index].init)(aac))
1111 goto out_unmap;
1112
1113 /*
1114 * Start any kernel threads needed
1115 */
1116 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1117 if (IS_ERR(aac->thread)) {
1118 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1119 error = PTR_ERR(aac->thread);
1120 goto out_deinit;
1121 }
1122
1123 /*
1124 * If we had set a smaller DMA mask earlier, set it to 4gig
1125 * now since the adapter can dma data to at least a 4gig
1126 * address space.
1127 */
1128 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1129 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1130 goto out_deinit;
1131
1132 aac->maximum_num_channels = aac_drivers[index].channels;
1133 error = aac_get_adapter_info(aac);
1134 if (error < 0)
1135 goto out_deinit;
1136
1137 /*
1138 * Lets override negotiations and drop the maximum SG limit to 34
1139 */
1140 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1141 (aac->scsi_host_ptr->sg_tablesize > 34)) {
1142 aac->scsi_host_ptr->sg_tablesize = 34;
1143 aac->scsi_host_ptr->max_sectors
1144 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
1145 }
1146
1147 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1148 (aac->scsi_host_ptr->sg_tablesize > 17)) {
1149 aac->scsi_host_ptr->sg_tablesize = 17;
1150 aac->scsi_host_ptr->max_sectors
1151 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
1152 }
1153
1154 /*
1155 * Firware printf works only with older firmware.
1156 */
1157 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1158 aac->printf_enabled = 1;
1159 else
1160 aac->printf_enabled = 0;
1161
1162 /*
1163 * max channel will be the physical channels plus 1 virtual channel
1164 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1165 * physical channels are address by their actual physical number+1
1166 */
1167 if (aac->nondasd_support || expose_physicals || aac->jbod)
1168 shost->max_channel = aac->maximum_num_channels;
1169 else
1170 shost->max_channel = 0;
1171
1172 aac_get_config_status(aac, 0);
1173 aac_get_containers(aac);
1174 list_add(&aac->entry, insert);
1175
1176 shost->max_id = aac->maximum_num_containers;
1177 if (shost->max_id < aac->maximum_num_physicals)
1178 shost->max_id = aac->maximum_num_physicals;
1179 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1180 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1181 else
1182 shost->this_id = shost->max_id;
1183
1184 /*
1185 * dmb - we may need to move the setting of these parms somewhere else once
1186 * we get a fib that can report the actual numbers
1187 */
1188 shost->max_lun = AAC_MAX_LUN;
1189
1190 pci_set_drvdata(pdev, shost);
1191
1192 error = scsi_add_host(shost, &pdev->dev);
1193 if (error)
1194 goto out_deinit;
1195 scsi_scan_host(shost);
1196
1197 return 0;
1198
1199 out_deinit:
1200 __aac_shutdown(aac);
1201 out_unmap:
1202 aac_fib_map_free(aac);
1203 if (aac->comm_addr)
1204 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1205 aac->comm_phys);
1206 kfree(aac->queues);
1207 aac_adapter_ioremap(aac, 0);
1208 kfree(aac->fibs);
1209 kfree(aac->fsa_dev);
1210 out_free_host:
1211 scsi_host_put(shost);
1212 out_disable_pdev:
1213 pci_disable_device(pdev);
1214 out:
1215 return error;
1216 }
1217
1218 static void aac_shutdown(struct pci_dev *dev)
1219 {
1220 struct Scsi_Host *shost = pci_get_drvdata(dev);
1221 scsi_block_requests(shost);
1222 __aac_shutdown((struct aac_dev *)shost->hostdata);
1223 }
1224
1225 static void __devexit aac_remove_one(struct pci_dev *pdev)
1226 {
1227 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1228 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1229
1230 scsi_remove_host(shost);
1231
1232 __aac_shutdown(aac);
1233 aac_fib_map_free(aac);
1234 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1235 aac->comm_phys);
1236 kfree(aac->queues);
1237
1238 aac_adapter_ioremap(aac, 0);
1239
1240 kfree(aac->fibs);
1241 kfree(aac->fsa_dev);
1242
1243 list_del(&aac->entry);
1244 scsi_host_put(shost);
1245 pci_disable_device(pdev);
1246 if (list_empty(&aac_devices)) {
1247 unregister_chrdev(aac_cfg_major, "aac");
1248 aac_cfg_major = -1;
1249 }
1250 }
1251
1252 static struct pci_driver aac_pci_driver = {
1253 .name = AAC_DRIVERNAME,
1254 .id_table = aac_pci_tbl,
1255 .probe = aac_probe_one,
1256 .remove = __devexit_p(aac_remove_one),
1257 .shutdown = aac_shutdown,
1258 };
1259
1260 static int __init aac_init(void)
1261 {
1262 int error;
1263
1264 printk(KERN_INFO "Adaptec %s driver %s\n",
1265 AAC_DRIVERNAME, aac_driver_version);
1266
1267 error = pci_register_driver(&aac_pci_driver);
1268 if (error < 0)
1269 return error;
1270
1271 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1272 if (aac_cfg_major < 0) {
1273 printk(KERN_WARNING
1274 "aacraid: unable to register \"aac\" device.\n");
1275 }
1276
1277 return 0;
1278 }
1279
1280 static void __exit aac_exit(void)
1281 {
1282 if (aac_cfg_major > -1)
1283 unregister_chrdev(aac_cfg_major, "aac");
1284 pci_unregister_driver(&aac_pci_driver);
1285 }
1286
1287 module_init(aac_init);
1288 module_exit(aac_exit);
WRT350N Kernel Patches