Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
[linux-2.6.git] / drivers / scsi / aacraid / linit.c
1 /*
2  *      Adaptec AAC series RAID controller driver
3  *      (c) Copyright 2001 Red Hat Inc.
4  *
5  * based on the old aacraid driver that is..
6  * Adaptec aacraid device driver for Linux.
7  *
8  * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2, or (at your option)
13  * any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; see the file COPYING.  If not, write to
22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23  *
24  * Module Name:
25  *   linit.c
26  *
27  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28  */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/mutex.h>
42 #include <linux/spinlock.h>
43 #include <linux/syscalls.h>
44 #include <linux/delay.h>
45 #include <linux/kthread.h>
46
47 #include <scsi/scsi.h>
48 #include <scsi/scsi_cmnd.h>
49 #include <scsi/scsi_device.h>
50 #include <scsi/scsi_host.h>
51 #include <scsi/scsi_tcq.h>
52 #include <scsi/scsicam.h>
53 #include <scsi/scsi_eh.h>
54
55 #include "aacraid.h"
56
57 #define AAC_DRIVER_VERSION              "1.1-5"
58 #ifndef AAC_DRIVER_BRANCH
59 #define AAC_DRIVER_BRANCH               ""
60 #endif
61 #define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
62 #define AAC_DRIVERNAME                  "aacraid"
63
64 #ifdef AAC_DRIVER_BUILD
65 #define _str(x) #x
66 #define str(x) _str(x)
67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
68 #else
69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
70 #endif
71
72 MODULE_AUTHOR("Red Hat Inc and Adaptec");
73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74                    "Adaptec Advanced Raid Products, "
75                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
78
79 static DEFINE_MUTEX(aac_mutex);
80 static LIST_HEAD(aac_devices);
81 static int aac_cfg_major = -1;
82 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
83
84 /*
85  * Because of the way Linux names scsi devices, the order in this table has
86  * become important.  Check for on-board Raid first, add-in cards second.
87  *
88  * Note: The last field is used to index into aac_drivers below.
89  */
90 #ifdef DECLARE_PCI_DEVICE_TABLE
91 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
92 #elif defined(__devinitconst)
93 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
94 #else
95 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
96 #endif
97         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
98         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
99         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
100         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
101         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
102         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
103         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
104         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
105         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
106         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
107         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
108         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
109         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
110         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
111         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
112         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
113
114         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
115         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
116         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
117         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
118         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
119         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
120         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
121         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
122         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
123         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
124         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
125         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
126         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
127         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
128         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
129         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
130         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
131         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
132         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
133         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
134         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
135         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
136         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
137         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
138         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
139         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
140         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
141         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
142         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
143         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
144         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
145         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
146         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
147         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
148         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
149         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
150         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
151         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
152
153         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
154         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
155         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
156         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
157         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
158
159         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
160         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
161         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
162         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
163         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
164         { 0,}
165 };
166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168 /*
169  * dmb - For now we add the number of channels to this structure.
170  * In the future we should add a fib that reports the number of channels
171  * for the card.  At that time we can remove the channels from here
172  */
173 static struct aac_driver_ident aac_drivers[] = {
174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
182         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
183         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
184         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
187         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
189         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
190
191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
192         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
194         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
199         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
204         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
205         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
206         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
207         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
208         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
209         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
212         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
213         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
215         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
217         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
219         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
220         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
222         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
225         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
226         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
227
228         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
229         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
231         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
232         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
233
234         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
235         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
236         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
237         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
238         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
239 };
240
241 /**
242  *      aac_queuecommand        -       queue a SCSI command
243  *      @cmd:           SCSI command to queue
244  *      @done:          Function to call on command completion
245  *
246  *      Queues a command for execution by the associated Host Adapter.
247  *
248  *      TODO: unify with aac_scsi_cmd().
249  */
250
251 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
252 {
253         struct Scsi_Host *host = cmd->device->host;
254         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
255         u32 count = 0;
256         cmd->scsi_done = done;
257         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
258                 struct fib * fib = &dev->fibs[count];
259                 struct scsi_cmnd * command;
260                 if (fib->hw_fib_va->header.XferState &&
261                     ((command = fib->callback_data)) &&
262                     (command == cmd) &&
263                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
264                         return 0; /* Already owned by Adapter */
265         }
266         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
267         return (aac_scsi_cmd(cmd) ? FAILED : 0);
268 }
269
270 /**
271  *      aac_info                -       Returns the host adapter name
272  *      @shost:         Scsi host to report on
273  *
274  *      Returns a static string describing the device in question
275  */
276
277 static const char *aac_info(struct Scsi_Host *shost)
278 {
279         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
280         return aac_drivers[dev->cardtype].name;
281 }
282
283 /**
284  *      aac_get_driver_ident
285  *      @devtype: index into lookup table
286  *
287  *      Returns a pointer to the entry in the driver lookup table.
288  */
289
290 struct aac_driver_ident* aac_get_driver_ident(int devtype)
291 {
292         return &aac_drivers[devtype];
293 }
294
295 /**
296  *      aac_biosparm    -       return BIOS parameters for disk
297  *      @sdev: The scsi device corresponding to the disk
298  *      @bdev: the block device corresponding to the disk
299  *      @capacity: the sector capacity of the disk
300  *      @geom: geometry block to fill in
301  *
302  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
303  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
304  *      number of cylinders so as not to exceed drive capacity.  In order for
305  *      disks equal to or larger than 1 GB to be addressable by the BIOS
306  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
307  *      Translation should be enabled.   With Extended Translation enabled,
308  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
309  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
310  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
311  *      the BIOS detects that the Extended Translation setting does not match
312  *      the geometry in the partition table, then the translation inferred
313  *      from the partition table will be used by the BIOS, and a warning may
314  *      be displayed.
315  */
316
317 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
318                         sector_t capacity, int *geom)
319 {
320         struct diskparm *param = (struct diskparm *)geom;
321         unsigned char *buf;
322
323         dprintk((KERN_DEBUG "aac_biosparm.\n"));
324
325         /*
326          *      Assuming extended translation is enabled - #REVISIT#
327          */
328         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
329                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
330                         param->heads = 255;
331                         param->sectors = 63;
332                 } else {
333                         param->heads = 128;
334                         param->sectors = 32;
335                 }
336         } else {
337                 param->heads = 64;
338                 param->sectors = 32;
339         }
340
341         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
342
343         /*
344          *      Read the first 1024 bytes from the disk device, if the boot
345          *      sector partition table is valid, search for a partition table
346          *      entry whose end_head matches one of the standard geometry
347          *      translations ( 64/32, 128/32, 255/63 ).
348          */
349         buf = scsi_bios_ptable(bdev);
350         if (!buf)
351                 return 0;
352         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
353                 struct partition *first = (struct partition * )buf;
354                 struct partition *entry = first;
355                 int saved_cylinders = param->cylinders;
356                 int num;
357                 unsigned char end_head, end_sec;
358
359                 for(num = 0; num < 4; num++) {
360                         end_head = entry->end_head;
361                         end_sec = entry->end_sector & 0x3f;
362
363                         if(end_head == 63) {
364                                 param->heads = 64;
365                                 param->sectors = 32;
366                                 break;
367                         } else if(end_head == 127) {
368                                 param->heads = 128;
369                                 param->sectors = 32;
370                                 break;
371                         } else if(end_head == 254) {
372                                 param->heads = 255;
373                                 param->sectors = 63;
374                                 break;
375                         }
376                         entry++;
377                 }
378
379                 if (num == 4) {
380                         end_head = first->end_head;
381                         end_sec = first->end_sector & 0x3f;
382                 }
383
384                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
385                 if (num < 4 && end_sec == param->sectors) {
386                         if (param->cylinders != saved_cylinders)
387                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
388                                         param->heads, param->sectors, num));
389                 } else if (end_head > 0 || end_sec > 0) {
390                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
391                                 end_head + 1, end_sec, num));
392                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
393                                         param->heads, param->sectors));
394                 }
395         }
396         kfree(buf);
397         return 0;
398 }
399
400 /**
401  *      aac_slave_configure             -       compute queue depths
402  *      @sdev:  SCSI device we are considering
403  *
404  *      Selects queue depths for each target device based on the host adapter's
405  *      total capacity and the queue depth supported by the target device.
406  *      A queue depth of one automatically disables tagged queueing.
407  */
408
409 static int aac_slave_configure(struct scsi_device *sdev)
410 {
411         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
412         if (aac->jbod && (sdev->type == TYPE_DISK))
413                 sdev->removable = 1;
414         if ((sdev->type == TYPE_DISK) &&
415                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
416                         (!aac->jbod || sdev->inq_periph_qual) &&
417                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
418                 if (expose_physicals == 0)
419                         return -ENXIO;
420                 if (expose_physicals < 0)
421                         sdev->no_uld_attach = 1;
422         }
423         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
424                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
425                         !sdev->no_uld_attach) {
426                 struct scsi_device * dev;
427                 struct Scsi_Host *host = sdev->host;
428                 unsigned num_lsu = 0;
429                 unsigned num_one = 0;
430                 unsigned depth;
431                 unsigned cid;
432
433                 /*
434                  * Firmware has an individual device recovery time typically
435                  * of 35 seconds, give us a margin.
436                  */
437                 if (sdev->request_queue->rq_timeout < (45 * HZ))
438                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
439                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
440                         if (aac->fsa_dev[cid].valid)
441                                 ++num_lsu;
442                 __shost_for_each_device(dev, host) {
443                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
444                                         (!aac->raid_scsi_mode ||
445                                                 (sdev_channel(sdev) != 2)) &&
446                                         !dev->no_uld_attach) {
447                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
448                                  || !aac->fsa_dev[sdev_id(dev)].valid)
449                                         ++num_lsu;
450                         } else
451                                 ++num_one;
452                 }
453                 if (num_lsu == 0)
454                         ++num_lsu;
455                 depth = (host->can_queue - num_one) / num_lsu;
456                 if (depth > 256)
457                         depth = 256;
458                 else if (depth < 2)
459                         depth = 2;
460                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
461         } else
462                 scsi_adjust_queue_depth(sdev, 0, 1);
463
464         return 0;
465 }
466
467 /**
468  *      aac_change_queue_depth          -       alter queue depths
469  *      @sdev:  SCSI device we are considering
470  *      @depth: desired queue depth
471  *
472  *      Alters queue depths for target device based on the host adapter's
473  *      total capacity and the queue depth supported by the target device.
474  */
475
476 static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
477                                   int reason)
478 {
479         if (reason != SCSI_QDEPTH_DEFAULT)
480                 return -EOPNOTSUPP;
481
482         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
483             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
484                 struct scsi_device * dev;
485                 struct Scsi_Host *host = sdev->host;
486                 unsigned num = 0;
487
488                 __shost_for_each_device(dev, host) {
489                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
490                             (sdev_channel(dev) == CONTAINER_CHANNEL))
491                                 ++num;
492                         ++num;
493                 }
494                 if (num >= host->can_queue)
495                         num = host->can_queue - 1;
496                 if (depth > (host->can_queue - num))
497                         depth = host->can_queue - num;
498                 if (depth > 256)
499                         depth = 256;
500                 else if (depth < 2)
501                         depth = 2;
502                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
503         } else
504                 scsi_adjust_queue_depth(sdev, 0, 1);
505         return sdev->queue_depth;
506 }
507
508 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
509 {
510         struct scsi_device *sdev = to_scsi_device(dev);
511         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
512         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
513                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
514                   ? "Hidden\n" :
515                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
516         return snprintf(buf, PAGE_SIZE, "%s\n",
517           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
518 }
519
520 static struct device_attribute aac_raid_level_attr = {
521         .attr = {
522                 .name = "level",
523                 .mode = S_IRUGO,
524         },
525         .show = aac_show_raid_level
526 };
527
528 static struct device_attribute *aac_dev_attrs[] = {
529         &aac_raid_level_attr,
530         NULL,
531 };
532
533 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
534 {
535         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
536         if (!capable(CAP_SYS_RAWIO))
537                 return -EPERM;
538         return aac_do_ioctl(dev, cmd, arg);
539 }
540
541 static int aac_eh_abort(struct scsi_cmnd* cmd)
542 {
543         struct scsi_device * dev = cmd->device;
544         struct Scsi_Host * host = dev->host;
545         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
546         int count;
547         int ret = FAILED;
548
549         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
550                 AAC_DRIVERNAME,
551                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
552         switch (cmd->cmnd[0]) {
553         case SERVICE_ACTION_IN:
554                 if (!(aac->raw_io_interface) ||
555                     !(aac->raw_io_64) ||
556                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
557                         break;
558         case INQUIRY:
559         case READ_CAPACITY:
560                 /* Mark associated FIB to not complete, eh handler does this */
561                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
562                         struct fib * fib = &aac->fibs[count];
563                         if (fib->hw_fib_va->header.XferState &&
564                           (fib->flags & FIB_CONTEXT_FLAG) &&
565                           (fib->callback_data == cmd)) {
566                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
567                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
568                                 ret = SUCCESS;
569                         }
570                 }
571                 break;
572         case TEST_UNIT_READY:
573                 /* Mark associated FIB to not complete, eh handler does this */
574                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
575                         struct scsi_cmnd * command;
576                         struct fib * fib = &aac->fibs[count];
577                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
578                           (fib->flags & FIB_CONTEXT_FLAG) &&
579                           ((command = fib->callback_data)) &&
580                           (command->device == cmd->device)) {
581                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
582                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
583                                 if (command == cmd)
584                                         ret = SUCCESS;
585                         }
586                 }
587         }
588         return ret;
589 }
590
591 /*
592  *      aac_eh_reset    - Reset command handling
593  *      @scsi_cmd:      SCSI command block causing the reset
594  *
595  */
596 static int aac_eh_reset(struct scsi_cmnd* cmd)
597 {
598         struct scsi_device * dev = cmd->device;
599         struct Scsi_Host * host = dev->host;
600         struct scsi_cmnd * command;
601         int count;
602         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
603         unsigned long flags;
604
605         /* Mark the associated FIB to not complete, eh handler does this */
606         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
607                 struct fib * fib = &aac->fibs[count];
608                 if (fib->hw_fib_va->header.XferState &&
609                   (fib->flags & FIB_CONTEXT_FLAG) &&
610                   (fib->callback_data == cmd)) {
611                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
612                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
613                 }
614         }
615         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
616                                         AAC_DRIVERNAME);
617
618         if ((count = aac_check_health(aac)))
619                 return count;
620         /*
621          * Wait for all commands to complete to this specific
622          * target (block maximum 60 seconds).
623          */
624         for (count = 60; count; --count) {
625                 int active = aac->in_reset;
626
627                 if (active == 0)
628                 __shost_for_each_device(dev, host) {
629                         spin_lock_irqsave(&dev->list_lock, flags);
630                         list_for_each_entry(command, &dev->cmd_list, list) {
631                                 if ((command != cmd) &&
632                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
633                                         active++;
634                                         break;
635                                 }
636                         }
637                         spin_unlock_irqrestore(&dev->list_lock, flags);
638                         if (active)
639                                 break;
640
641                 }
642                 /*
643                  * We can exit If all the commands are complete
644                  */
645                 if (active == 0)
646                         return SUCCESS;
647                 ssleep(1);
648         }
649         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
650         /*
651          * This adapter needs a blind reset, only do so for Adapters that
652          * support a register, instead of a commanded, reset.
653          */
654         if ((aac->supplement_adapter_info.SupportedOptions2 &
655            AAC_OPTION_MU_RESET) &&
656           aac_check_reset &&
657           ((aac_check_reset != 1) ||
658            !(aac->supplement_adapter_info.SupportedOptions2 &
659             AAC_OPTION_IGNORE_RESET)))
660                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
661         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
662 }
663
664 /**
665  *      aac_cfg_open            -       open a configuration file
666  *      @inode: inode being opened
667  *      @file: file handle attached
668  *
669  *      Called when the configuration device is opened. Does the needed
670  *      set up on the handle and then returns
671  *
672  *      Bugs: This needs extending to check a given adapter is present
673  *      so we can support hot plugging, and to ref count adapters.
674  */
675
676 static int aac_cfg_open(struct inode *inode, struct file *file)
677 {
678         struct aac_dev *aac;
679         unsigned minor_number = iminor(inode);
680         int err = -ENODEV;
681
682         mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
683         list_for_each_entry(aac, &aac_devices, entry) {
684                 if (aac->id == minor_number) {
685                         file->private_data = aac;
686                         err = 0;
687                         break;
688                 }
689         }
690         mutex_unlock(&aac_mutex);
691
692         return err;
693 }
694
695 /**
696  *      aac_cfg_ioctl           -       AAC configuration request
697  *      @inode: inode of device
698  *      @file: file handle
699  *      @cmd: ioctl command code
700  *      @arg: argument
701  *
702  *      Handles a configuration ioctl. Currently this involves wrapping it
703  *      up and feeding it into the nasty windowsalike glue layer.
704  *
705  *      Bugs: Needs locking against parallel ioctls lower down
706  *      Bugs: Needs to handle hot plugging
707  */
708
709 static long aac_cfg_ioctl(struct file *file,
710                 unsigned int cmd, unsigned long arg)
711 {
712         int ret;
713         if (!capable(CAP_SYS_RAWIO))
714                 return -EPERM;
715         mutex_lock(&aac_mutex);
716         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
717         mutex_unlock(&aac_mutex);
718
719         return ret;
720 }
721
722 #ifdef CONFIG_COMPAT
723 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
724 {
725         long ret;
726         mutex_lock(&aac_mutex);
727         switch (cmd) {
728         case FSACTL_MINIPORT_REV_CHECK:
729         case FSACTL_SENDFIB:
730         case FSACTL_OPEN_GET_ADAPTER_FIB:
731         case FSACTL_CLOSE_GET_ADAPTER_FIB:
732         case FSACTL_SEND_RAW_SRB:
733         case FSACTL_GET_PCI_INFO:
734         case FSACTL_QUERY_DISK:
735         case FSACTL_DELETE_DISK:
736         case FSACTL_FORCE_DELETE_DISK:
737         case FSACTL_GET_CONTAINERS:
738         case FSACTL_SEND_LARGE_FIB:
739                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
740                 break;
741
742         case FSACTL_GET_NEXT_ADAPTER_FIB: {
743                 struct fib_ioctl __user *f;
744
745                 f = compat_alloc_user_space(sizeof(*f));
746                 ret = 0;
747                 if (clear_user(f, sizeof(*f)))
748                         ret = -EFAULT;
749                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
750                         ret = -EFAULT;
751                 if (!ret)
752                         ret = aac_do_ioctl(dev, cmd, f);
753                 break;
754         }
755
756         default:
757                 ret = -ENOIOCTLCMD;
758                 break;
759         }
760         mutex_unlock(&aac_mutex);
761         return ret;
762 }
763
764 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
765 {
766         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
767         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
768 }
769
770 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
771 {
772         if (!capable(CAP_SYS_RAWIO))
773                 return -EPERM;
774         return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
775 }
776 #endif
777
778 static ssize_t aac_show_model(struct device *device,
779                               struct device_attribute *attr, char *buf)
780 {
781         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
782         int len;
783
784         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
785                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
786                 while (*cp && *cp != ' ')
787                         ++cp;
788                 while (*cp == ' ')
789                         ++cp;
790                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
791         } else
792                 len = snprintf(buf, PAGE_SIZE, "%s\n",
793                   aac_drivers[dev->cardtype].model);
794         return len;
795 }
796
797 static ssize_t aac_show_vendor(struct device *device,
798                                struct device_attribute *attr, char *buf)
799 {
800         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
801         int len;
802
803         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
804                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
805                 while (*cp && *cp != ' ')
806                         ++cp;
807                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
808                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
809                   dev->supplement_adapter_info.AdapterTypeText);
810         } else
811                 len = snprintf(buf, PAGE_SIZE, "%s\n",
812                   aac_drivers[dev->cardtype].vname);
813         return len;
814 }
815
816 static ssize_t aac_show_flags(struct device *cdev,
817                               struct device_attribute *attr, char *buf)
818 {
819         int len = 0;
820         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
821
822         if (nblank(dprintk(x)))
823                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
824 #ifdef AAC_DETAILED_STATUS_INFO
825         len += snprintf(buf + len, PAGE_SIZE - len,
826                         "AAC_DETAILED_STATUS_INFO\n");
827 #endif
828         if (dev->raw_io_interface && dev->raw_io_64)
829                 len += snprintf(buf + len, PAGE_SIZE - len,
830                                 "SAI_READ_CAPACITY_16\n");
831         if (dev->jbod)
832                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
833         if (dev->supplement_adapter_info.SupportedOptions2 &
834                 AAC_OPTION_POWER_MANAGEMENT)
835                 len += snprintf(buf + len, PAGE_SIZE - len,
836                                 "SUPPORTED_POWER_MANAGEMENT\n");
837         if (dev->msi)
838                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
839         return len;
840 }
841
842 static ssize_t aac_show_kernel_version(struct device *device,
843                                        struct device_attribute *attr,
844                                        char *buf)
845 {
846         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
847         int len, tmp;
848
849         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
850         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
851           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
852           le32_to_cpu(dev->adapter_info.kernelbuild));
853         return len;
854 }
855
856 static ssize_t aac_show_monitor_version(struct device *device,
857                                         struct device_attribute *attr,
858                                         char *buf)
859 {
860         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
861         int len, tmp;
862
863         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
864         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
865           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
866           le32_to_cpu(dev->adapter_info.monitorbuild));
867         return len;
868 }
869
870 static ssize_t aac_show_bios_version(struct device *device,
871                                      struct device_attribute *attr,
872                                      char *buf)
873 {
874         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
875         int len, tmp;
876
877         tmp = le32_to_cpu(dev->adapter_info.biosrev);
878         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
879           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
880           le32_to_cpu(dev->adapter_info.biosbuild));
881         return len;
882 }
883
884 static ssize_t aac_show_serial_number(struct device *device,
885                                struct device_attribute *attr, char *buf)
886 {
887         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
888         int len = 0;
889
890         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
891                 len = snprintf(buf, PAGE_SIZE, "%06X\n",
892                   le32_to_cpu(dev->adapter_info.serial[0]));
893         if (len &&
894           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
895             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
896           buf, len-1))
897                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
898                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
899                   dev->supplement_adapter_info.MfgPcbaSerialNo);
900         return len;
901 }
902
903 static ssize_t aac_show_max_channel(struct device *device,
904                                     struct device_attribute *attr, char *buf)
905 {
906         return snprintf(buf, PAGE_SIZE, "%d\n",
907           class_to_shost(device)->max_channel);
908 }
909
910 static ssize_t aac_show_max_id(struct device *device,
911                                struct device_attribute *attr, char *buf)
912 {
913         return snprintf(buf, PAGE_SIZE, "%d\n",
914           class_to_shost(device)->max_id);
915 }
916
917 static ssize_t aac_store_reset_adapter(struct device *device,
918                                        struct device_attribute *attr,
919                                        const char *buf, size_t count)
920 {
921         int retval = -EACCES;
922
923         if (!capable(CAP_SYS_ADMIN))
924                 return retval;
925         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
926         if (retval >= 0)
927                 retval = count;
928         return retval;
929 }
930
931 static ssize_t aac_show_reset_adapter(struct device *device,
932                                       struct device_attribute *attr,
933                                       char *buf)
934 {
935         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
936         int len, tmp;
937
938         tmp = aac_adapter_check_health(dev);
939         if ((tmp == 0) && dev->in_reset)
940                 tmp = -EBUSY;
941         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
942         return len;
943 }
944
945 static struct device_attribute aac_model = {
946         .attr = {
947                 .name = "model",
948                 .mode = S_IRUGO,
949         },
950         .show = aac_show_model,
951 };
952 static struct device_attribute aac_vendor = {
953         .attr = {
954                 .name = "vendor",
955                 .mode = S_IRUGO,
956         },
957         .show = aac_show_vendor,
958 };
959 static struct device_attribute aac_flags = {
960         .attr = {
961                 .name = "flags",
962                 .mode = S_IRUGO,
963         },
964         .show = aac_show_flags,
965 };
966 static struct device_attribute aac_kernel_version = {
967         .attr = {
968                 .name = "hba_kernel_version",
969                 .mode = S_IRUGO,
970         },
971         .show = aac_show_kernel_version,
972 };
973 static struct device_attribute aac_monitor_version = {
974         .attr = {
975                 .name = "hba_monitor_version",
976                 .mode = S_IRUGO,
977         },
978         .show = aac_show_monitor_version,
979 };
980 static struct device_attribute aac_bios_version = {
981         .attr = {
982                 .name = "hba_bios_version",
983                 .mode = S_IRUGO,
984         },
985         .show = aac_show_bios_version,
986 };
987 static struct device_attribute aac_serial_number = {
988         .attr = {
989                 .name = "serial_number",
990                 .mode = S_IRUGO,
991         },
992         .show = aac_show_serial_number,
993 };
994 static struct device_attribute aac_max_channel = {
995         .attr = {
996                 .name = "max_channel",
997                 .mode = S_IRUGO,
998         },
999         .show = aac_show_max_channel,
1000 };
1001 static struct device_attribute aac_max_id = {
1002         .attr = {
1003                 .name = "max_id",
1004                 .mode = S_IRUGO,
1005         },
1006         .show = aac_show_max_id,
1007 };
1008 static struct device_attribute aac_reset = {
1009         .attr = {
1010                 .name = "reset_host",
1011                 .mode = S_IWUSR|S_IRUGO,
1012         },
1013         .store = aac_store_reset_adapter,
1014         .show = aac_show_reset_adapter,
1015 };
1016
1017 static struct device_attribute *aac_attrs[] = {
1018         &aac_model,
1019         &aac_vendor,
1020         &aac_flags,
1021         &aac_kernel_version,
1022         &aac_monitor_version,
1023         &aac_bios_version,
1024         &aac_serial_number,
1025         &aac_max_channel,
1026         &aac_max_id,
1027         &aac_reset,
1028         NULL
1029 };
1030
1031 ssize_t aac_get_serial_number(struct device *device, char *buf)
1032 {
1033         return aac_show_serial_number(device, &aac_serial_number, buf);
1034 }
1035
1036 static const struct file_operations aac_cfg_fops = {
1037         .owner          = THIS_MODULE,
1038         .unlocked_ioctl = aac_cfg_ioctl,
1039 #ifdef CONFIG_COMPAT
1040         .compat_ioctl   = aac_compat_cfg_ioctl,
1041 #endif
1042         .open           = aac_cfg_open,
1043         .llseek         = noop_llseek,
1044 };
1045
1046 static struct scsi_host_template aac_driver_template = {
1047         .module                         = THIS_MODULE,
1048         .name                           = "AAC",
1049         .proc_name                      = AAC_DRIVERNAME,
1050         .info                           = aac_info,
1051         .ioctl                          = aac_ioctl,
1052 #ifdef CONFIG_COMPAT
1053         .compat_ioctl                   = aac_compat_ioctl,
1054 #endif
1055         .queuecommand                   = aac_queuecommand,
1056         .bios_param                     = aac_biosparm,
1057         .shost_attrs                    = aac_attrs,
1058         .slave_configure                = aac_slave_configure,
1059         .change_queue_depth             = aac_change_queue_depth,
1060         .sdev_attrs                     = aac_dev_attrs,
1061         .eh_abort_handler               = aac_eh_abort,
1062         .eh_host_reset_handler          = aac_eh_reset,
1063         .can_queue                      = AAC_NUM_IO_FIB,
1064         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1065         .sg_tablesize                   = 16,
1066         .max_sectors                    = 128,
1067 #if (AAC_NUM_IO_FIB > 256)
1068         .cmd_per_lun                    = 256,
1069 #else
1070         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1071 #endif
1072         .use_clustering                 = ENABLE_CLUSTERING,
1073         .emulated                       = 1,
1074 };
1075
1076 static void __aac_shutdown(struct aac_dev * aac)
1077 {
1078         if (aac->aif_thread)
1079                 kthread_stop(aac->thread);
1080         aac_send_shutdown(aac);
1081         aac_adapter_disable_int(aac);
1082         free_irq(aac->pdev->irq, aac);
1083         if (aac->msi)
1084                 pci_disable_msi(aac->pdev);
1085 }
1086
1087 static int __devinit aac_probe_one(struct pci_dev *pdev,
1088                 const struct pci_device_id *id)
1089 {
1090         unsigned index = id->driver_data;
1091         struct Scsi_Host *shost;
1092         struct aac_dev *aac;
1093         struct list_head *insert = &aac_devices;
1094         int error = -ENODEV;
1095         int unique_id = 0;
1096         u64 dmamask;
1097
1098         list_for_each_entry(aac, &aac_devices, entry) {
1099                 if (aac->id > unique_id)
1100                         break;
1101                 insert = &aac->entry;
1102                 unique_id++;
1103         }
1104
1105         error = pci_enable_device(pdev);
1106         if (error)
1107                 goto out;
1108         error = -ENODEV;
1109
1110         /*
1111          * If the quirk31 bit is set, the adapter needs adapter
1112          * to driver communication memory to be allocated below 2gig
1113          */
1114         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1115                 dmamask = DMA_BIT_MASK(31);
1116         else
1117                 dmamask = DMA_BIT_MASK(32);
1118
1119         if (pci_set_dma_mask(pdev, dmamask) ||
1120                         pci_set_consistent_dma_mask(pdev, dmamask))
1121                 goto out_disable_pdev;
1122
1123         pci_set_master(pdev);
1124
1125         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1126         if (!shost)
1127                 goto out_disable_pdev;
1128
1129         shost->irq = pdev->irq;
1130         shost->base = pci_resource_start(pdev, 0);
1131         shost->unique_id = unique_id;
1132         shost->max_cmd_len = 16;
1133
1134         aac = (struct aac_dev *)shost->hostdata;
1135         aac->scsi_host_ptr = shost;
1136         aac->pdev = pdev;
1137         aac->name = aac_driver_template.name;
1138         aac->id = shost->unique_id;
1139         aac->cardtype = index;
1140         INIT_LIST_HEAD(&aac->entry);
1141
1142         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1143         if (!aac->fibs)
1144                 goto out_free_host;
1145         spin_lock_init(&aac->fib_lock);
1146
1147         /*
1148          *      Map in the registers from the adapter.
1149          */
1150         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1151         if ((*aac_drivers[index].init)(aac))
1152                 goto out_unmap;
1153
1154         /*
1155          *      Start any kernel threads needed
1156          */
1157         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1158         if (IS_ERR(aac->thread)) {
1159                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1160                 error = PTR_ERR(aac->thread);
1161                 goto out_deinit;
1162         }
1163
1164         /*
1165          * If we had set a smaller DMA mask earlier, set it to 4gig
1166          * now since the adapter can dma data to at least a 4gig
1167          * address space.
1168          */
1169         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1170                 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1171                         goto out_deinit;
1172
1173         aac->maximum_num_channels = aac_drivers[index].channels;
1174         error = aac_get_adapter_info(aac);
1175         if (error < 0)
1176                 goto out_deinit;
1177
1178         /*
1179          * Lets override negotiations and drop the maximum SG limit to 34
1180          */
1181         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1182                         (shost->sg_tablesize > 34)) {
1183                 shost->sg_tablesize = 34;
1184                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1185         }
1186
1187         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1188                         (shost->sg_tablesize > 17)) {
1189                 shost->sg_tablesize = 17;
1190                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1191         }
1192
1193         error = pci_set_dma_max_seg_size(pdev,
1194                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1195                         (shost->max_sectors << 9) : 65536);
1196         if (error)
1197                 goto out_deinit;
1198
1199         /*
1200          * Firmware printf works only with older firmware.
1201          */
1202         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1203                 aac->printf_enabled = 1;
1204         else
1205                 aac->printf_enabled = 0;
1206
1207         /*
1208          * max channel will be the physical channels plus 1 virtual channel
1209          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1210          * physical channels are address by their actual physical number+1
1211          */
1212         if (aac->nondasd_support || expose_physicals || aac->jbod)
1213                 shost->max_channel = aac->maximum_num_channels;
1214         else
1215                 shost->max_channel = 0;
1216
1217         aac_get_config_status(aac, 0);
1218         aac_get_containers(aac);
1219         list_add(&aac->entry, insert);
1220
1221         shost->max_id = aac->maximum_num_containers;
1222         if (shost->max_id < aac->maximum_num_physicals)
1223                 shost->max_id = aac->maximum_num_physicals;
1224         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1225                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1226         else
1227                 shost->this_id = shost->max_id;
1228
1229         /*
1230          * dmb - we may need to move the setting of these parms somewhere else once
1231          * we get a fib that can report the actual numbers
1232          */
1233         shost->max_lun = AAC_MAX_LUN;
1234
1235         pci_set_drvdata(pdev, shost);
1236
1237         error = scsi_add_host(shost, &pdev->dev);
1238         if (error)
1239                 goto out_deinit;
1240         scsi_scan_host(shost);
1241
1242         return 0;
1243
1244  out_deinit:
1245         __aac_shutdown(aac);
1246  out_unmap:
1247         aac_fib_map_free(aac);
1248         if (aac->comm_addr)
1249                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1250                   aac->comm_phys);
1251         kfree(aac->queues);
1252         aac_adapter_ioremap(aac, 0);
1253         kfree(aac->fibs);
1254         kfree(aac->fsa_dev);
1255  out_free_host:
1256         scsi_host_put(shost);
1257  out_disable_pdev:
1258         pci_disable_device(pdev);
1259  out:
1260         return error;
1261 }
1262
1263 static void aac_shutdown(struct pci_dev *dev)
1264 {
1265         struct Scsi_Host *shost = pci_get_drvdata(dev);
1266         scsi_block_requests(shost);
1267         __aac_shutdown((struct aac_dev *)shost->hostdata);
1268 }
1269
1270 static void __devexit aac_remove_one(struct pci_dev *pdev)
1271 {
1272         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1273         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1274
1275         scsi_remove_host(shost);
1276
1277         __aac_shutdown(aac);
1278         aac_fib_map_free(aac);
1279         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1280                         aac->comm_phys);
1281         kfree(aac->queues);
1282
1283         aac_adapter_ioremap(aac, 0);
1284
1285         kfree(aac->fibs);
1286         kfree(aac->fsa_dev);
1287
1288         list_del(&aac->entry);
1289         scsi_host_put(shost);
1290         pci_disable_device(pdev);
1291         if (list_empty(&aac_devices)) {
1292                 unregister_chrdev(aac_cfg_major, "aac");
1293                 aac_cfg_major = -1;
1294         }
1295 }
1296
1297 static struct pci_driver aac_pci_driver = {
1298         .name           = AAC_DRIVERNAME,
1299         .id_table       = aac_pci_tbl,
1300         .probe          = aac_probe_one,
1301         .remove         = __devexit_p(aac_remove_one),
1302         .shutdown       = aac_shutdown,
1303 };
1304
1305 static int __init aac_init(void)
1306 {
1307         int error;
1308
1309         printk(KERN_INFO "Adaptec %s driver %s\n",
1310           AAC_DRIVERNAME, aac_driver_version);
1311
1312         error = pci_register_driver(&aac_pci_driver);
1313         if (error < 0)
1314                 return error;
1315
1316         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1317         if (aac_cfg_major < 0) {
1318                 printk(KERN_WARNING
1319                         "aacraid: unable to register \"aac\" device.\n");
1320         }
1321
1322         return 0;
1323 }
1324
1325 static void __exit aac_exit(void)
1326 {
1327         if (aac_cfg_major > -1)
1328                 unregister_chrdev(aac_cfg_major, "aac");
1329         pci_unregister_driver(&aac_pci_driver);
1330 }
1331
1332 module_init(aac_init);
1333 module_exit(aac_exit);