Merge branch 'tracing/urgent' into tracing/ftrace
[linux-2.6] / 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/smp_lock.h>
42 #include <linux/spinlock.h>
43 #include <linux/syscalls.h>
44 #include <linux/delay.h>
45 #include <linux/kthread.h>
46
47 #include <scsi/scsi.h>
48 #include <scsi/scsi_cmnd.h>
49 #include <scsi/scsi_device.h>
50 #include <scsi/scsi_host.h>
51 #include <scsi/scsi_tcq.h>
52 #include <scsi/scsicam.h>
53 #include <scsi/scsi_eh.h>
54
55 #include "aacraid.h"
56
57 #define AAC_DRIVER_VERSION              "1.1-5"
58 #ifndef AAC_DRIVER_BRANCH
59 #define AAC_DRIVER_BRANCH               ""
60 #endif
61 #define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
62 #define AAC_DRIVERNAME                  "aacraid"
63
64 #ifdef AAC_DRIVER_BUILD
65 #define _str(x) #x
66 #define str(x) _str(x)
67 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
68 #else
69 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
70 #endif
71
72 MODULE_AUTHOR("Red Hat Inc and Adaptec");
73 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74                    "Adaptec Advanced Raid Products, "
75                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
76 MODULE_LICENSE("GPL");
77 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
78
79 static LIST_HEAD(aac_devices);
80 static int aac_cfg_major = -1;
81 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
82
83 /*
84  * Because of the way Linux names scsi devices, the order in this table has
85  * become important.  Check for on-board Raid first, add-in cards second.
86  *
87  * Note: The last field is used to index into aac_drivers below.
88  */
89 #ifdef DECLARE_PCI_DEVICE_TABLE
90 static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
91 #elif defined(__devinitconst)
92 static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
93 #else
94 static const struct pci_device_id aac_pci_tbl[] __devinitdata = {
95 #endif
96         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
97         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
98         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
99         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
100         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
101         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
102         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
103         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
104         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
105         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
106         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
107         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
108         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
109         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
110         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
111         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
112
113         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
114         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
115         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
116         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
117         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
118         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
119         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
120         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
121         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
122         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
123         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
124         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
125         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
126         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
127         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
128         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
129         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
130         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
131         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
132         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
133         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
134         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
135         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
136         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
137         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
138         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
139         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
140         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
141         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
142         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
143         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
144         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
145         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
146         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
147         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
148         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
149         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
150         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
151
152         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
153         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
154         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
155         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
156         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
157
158         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
159         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
160         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
161         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
162         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
163         { 0,}
164 };
165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
166
167 /*
168  * dmb - For now we add the number of channels to this structure.
169  * In the future we should add a fib that reports the number of channels
170  * for the card.  At that time we can remove the channels from here
171  */
172 static struct aac_driver_ident aac_drivers[] = {
173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
175         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
176         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
177         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
178         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
179         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
180         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
181         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
182         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
183         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2120S (Crusader) */
185         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },                     /* Adaptec 2200S (Vulcan) */
186         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
187         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
188         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
189
190         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
191         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
192         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
193         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
194         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
195         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
196         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
197         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
198         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
199         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
200         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
201         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
202         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
203         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
204         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
205         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
206         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
207         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
208         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
209         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
211         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
212         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
213         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
214         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
216         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
218         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
219         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
220         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
221         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
222         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
223         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
224         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
225         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
226
227         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
228         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
229         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
231         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
232
233         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
234         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
235         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
236         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
237         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
238 };
239
240 /**
241  *      aac_queuecommand        -       queue a SCSI command
242  *      @cmd:           SCSI command to queue
243  *      @done:          Function to call on command completion
244  *
245  *      Queues a command for execution by the associated Host Adapter.
246  *
247  *      TODO: unify with aac_scsi_cmd().
248  */
249
250 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
251 {
252         struct Scsi_Host *host = cmd->device->host;
253         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
254         u32 count = 0;
255         cmd->scsi_done = done;
256         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
257                 struct fib * fib = &dev->fibs[count];
258                 struct scsi_cmnd * command;
259                 if (fib->hw_fib_va->header.XferState &&
260                     ((command = fib->callback_data)) &&
261                     (command == cmd) &&
262                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
263                         return 0; /* Already owned by Adapter */
264         }
265         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
266         return (aac_scsi_cmd(cmd) ? FAILED : 0);
267 }
268
269 /**
270  *      aac_info                -       Returns the host adapter name
271  *      @shost:         Scsi host to report on
272  *
273  *      Returns a static string describing the device in question
274  */
275
276 static const char *aac_info(struct Scsi_Host *shost)
277 {
278         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
279         return aac_drivers[dev->cardtype].name;
280 }
281
282 /**
283  *      aac_get_driver_ident
284  *      @devtype: index into lookup table
285  *
286  *      Returns a pointer to the entry in the driver lookup table.
287  */
288
289 struct aac_driver_ident* aac_get_driver_ident(int devtype)
290 {
291         return &aac_drivers[devtype];
292 }
293
294 /**
295  *      aac_biosparm    -       return BIOS parameters for disk
296  *      @sdev: The scsi device corresponding to the disk
297  *      @bdev: the block device corresponding to the disk
298  *      @capacity: the sector capacity of the disk
299  *      @geom: geometry block to fill in
300  *
301  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
302  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
303  *      number of cylinders so as not to exceed drive capacity.  In order for
304  *      disks equal to or larger than 1 GB to be addressable by the BIOS
305  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
306  *      Translation should be enabled.   With Extended Translation enabled,
307  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
308  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
309  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
310  *      the BIOS detects that the Extended Translation setting does not match
311  *      the geometry in the partition table, then the translation inferred
312  *      from the partition table will be used by the BIOS, and a warning may
313  *      be displayed.
314  */
315
316 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
317                         sector_t capacity, int *geom)
318 {
319         struct diskparm *param = (struct diskparm *)geom;
320         unsigned char *buf;
321
322         dprintk((KERN_DEBUG "aac_biosparm.\n"));
323
324         /*
325          *      Assuming extended translation is enabled - #REVISIT#
326          */
327         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
328                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
329                         param->heads = 255;
330                         param->sectors = 63;
331                 } else {
332                         param->heads = 128;
333                         param->sectors = 32;
334                 }
335         } else {
336                 param->heads = 64;
337                 param->sectors = 32;
338         }
339
340         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
341
342         /*
343          *      Read the first 1024 bytes from the disk device, if the boot
344          *      sector partition table is valid, search for a partition table
345          *      entry whose end_head matches one of the standard geometry
346          *      translations ( 64/32, 128/32, 255/63 ).
347          */
348         buf = scsi_bios_ptable(bdev);
349         if (!buf)
350                 return 0;
351         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
352                 struct partition *first = (struct partition * )buf;
353                 struct partition *entry = first;
354                 int saved_cylinders = param->cylinders;
355                 int num;
356                 unsigned char end_head, end_sec;
357
358                 for(num = 0; num < 4; num++) {
359                         end_head = entry->end_head;
360                         end_sec = entry->end_sector & 0x3f;
361
362                         if(end_head == 63) {
363                                 param->heads = 64;
364                                 param->sectors = 32;
365                                 break;
366                         } else if(end_head == 127) {
367                                 param->heads = 128;
368                                 param->sectors = 32;
369                                 break;
370                         } else if(end_head == 254) {
371                                 param->heads = 255;
372                                 param->sectors = 63;
373                                 break;
374                         }
375                         entry++;
376                 }
377
378                 if (num == 4) {
379                         end_head = first->end_head;
380                         end_sec = first->end_sector & 0x3f;
381                 }
382
383                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
384                 if (num < 4 && end_sec == param->sectors) {
385                         if (param->cylinders != saved_cylinders)
386                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
387                                         param->heads, param->sectors, num));
388                 } else if (end_head > 0 || end_sec > 0) {
389                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
390                                 end_head + 1, end_sec, num));
391                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
392                                         param->heads, param->sectors));
393                 }
394         }
395         kfree(buf);
396         return 0;
397 }
398
399 /**
400  *      aac_slave_configure             -       compute queue depths
401  *      @sdev:  SCSI device we are considering
402  *
403  *      Selects queue depths for each target device based on the host adapter's
404  *      total capacity and the queue depth supported by the target device.
405  *      A queue depth of one automatically disables tagged queueing.
406  */
407
408 static int aac_slave_configure(struct scsi_device *sdev)
409 {
410         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
411         if (aac->jbod && (sdev->type == TYPE_DISK))
412                 sdev->removable = 1;
413         if ((sdev->type == TYPE_DISK) &&
414                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
415                         (!aac->jbod || sdev->inq_periph_qual) &&
416                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
417                 if (expose_physicals == 0)
418                         return -ENXIO;
419                 if (expose_physicals < 0)
420                         sdev->no_uld_attach = 1;
421         }
422         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
423                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
424                         !sdev->no_uld_attach) {
425                 struct scsi_device * dev;
426                 struct Scsi_Host *host = sdev->host;
427                 unsigned num_lsu = 0;
428                 unsigned num_one = 0;
429                 unsigned depth;
430                 unsigned cid;
431
432                 /*
433                  * Firmware has an individual device recovery time typically
434                  * of 35 seconds, give us a margin.
435                  */
436                 if (sdev->request_queue->rq_timeout < (45 * HZ))
437                         blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
438                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
439                         if (aac->fsa_dev[cid].valid)
440                                 ++num_lsu;
441                 __shost_for_each_device(dev, host) {
442                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
443                                         (!aac->raid_scsi_mode ||
444                                                 (sdev_channel(sdev) != 2)) &&
445                                         !dev->no_uld_attach) {
446                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
447                                  || !aac->fsa_dev[sdev_id(dev)].valid)
448                                         ++num_lsu;
449                         } else
450                                 ++num_one;
451                 }
452                 if (num_lsu == 0)
453                         ++num_lsu;
454                 depth = (host->can_queue - num_one) / num_lsu;
455                 if (depth > 256)
456                         depth = 256;
457                 else if (depth < 2)
458                         depth = 2;
459                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
460         } else
461                 scsi_adjust_queue_depth(sdev, 0, 1);
462
463         return 0;
464 }
465
466 /**
467  *      aac_change_queue_depth          -       alter queue depths
468  *      @sdev:  SCSI device we are considering
469  *      @depth: desired queue depth
470  *
471  *      Alters queue depths for target device based on the host adapter's
472  *      total capacity and the queue depth supported by the target device.
473  */
474
475 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
476 {
477         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
478             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
479                 struct scsi_device * dev;
480                 struct Scsi_Host *host = sdev->host;
481                 unsigned num = 0;
482
483                 __shost_for_each_device(dev, host) {
484                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
485                             (sdev_channel(dev) == CONTAINER_CHANNEL))
486                                 ++num;
487                         ++num;
488                 }
489                 if (num >= host->can_queue)
490                         num = host->can_queue - 1;
491                 if (depth > (host->can_queue - num))
492                         depth = host->can_queue - num;
493                 if (depth > 256)
494                         depth = 256;
495                 else if (depth < 2)
496                         depth = 2;
497                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
498         } else
499                 scsi_adjust_queue_depth(sdev, 0, 1);
500         return sdev->queue_depth;
501 }
502
503 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
504 {
505         struct scsi_device *sdev = to_scsi_device(dev);
506         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
507         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
508                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
509                   ? "Hidden\n" :
510                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
511         return snprintf(buf, PAGE_SIZE, "%s\n",
512           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
513 }
514
515 static struct device_attribute aac_raid_level_attr = {
516         .attr = {
517                 .name = "level",
518                 .mode = S_IRUGO,
519         },
520         .show = aac_show_raid_level
521 };
522
523 static struct device_attribute *aac_dev_attrs[] = {
524         &aac_raid_level_attr,
525         NULL,
526 };
527
528 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
529 {
530         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
531         if (!capable(CAP_SYS_RAWIO))
532                 return -EPERM;
533         return aac_do_ioctl(dev, cmd, arg);
534 }
535
536 static int aac_eh_abort(struct scsi_cmnd* cmd)
537 {
538         struct scsi_device * dev = cmd->device;
539         struct Scsi_Host * host = dev->host;
540         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
541         int count;
542         int ret = FAILED;
543
544         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
545                 AAC_DRIVERNAME,
546                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
547         switch (cmd->cmnd[0]) {
548         case SERVICE_ACTION_IN:
549                 if (!(aac->raw_io_interface) ||
550                     !(aac->raw_io_64) ||
551                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
552                         break;
553         case INQUIRY:
554         case READ_CAPACITY:
555                 /* Mark associated FIB to not complete, eh handler does this */
556                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
557                         struct fib * fib = &aac->fibs[count];
558                         if (fib->hw_fib_va->header.XferState &&
559                           (fib->flags & FIB_CONTEXT_FLAG) &&
560                           (fib->callback_data == cmd)) {
561                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
562                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
563                                 ret = SUCCESS;
564                         }
565                 }
566                 break;
567         case TEST_UNIT_READY:
568                 /* Mark associated FIB to not complete, eh handler does this */
569                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
570                         struct scsi_cmnd * command;
571                         struct fib * fib = &aac->fibs[count];
572                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
573                           (fib->flags & FIB_CONTEXT_FLAG) &&
574                           ((command = fib->callback_data)) &&
575                           (command->device == cmd->device)) {
576                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
577                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
578                                 if (command == cmd)
579                                         ret = SUCCESS;
580                         }
581                 }
582         }
583         return ret;
584 }
585
586 /*
587  *      aac_eh_reset    - Reset command handling
588  *      @scsi_cmd:      SCSI command block causing the reset
589  *
590  */
591 static int aac_eh_reset(struct scsi_cmnd* cmd)
592 {
593         struct scsi_device * dev = cmd->device;
594         struct Scsi_Host * host = dev->host;
595         struct scsi_cmnd * command;
596         int count;
597         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
598         unsigned long flags;
599
600         /* Mark the associated FIB to not complete, eh handler does this */
601         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
602                 struct fib * fib = &aac->fibs[count];
603                 if (fib->hw_fib_va->header.XferState &&
604                   (fib->flags & FIB_CONTEXT_FLAG) &&
605                   (fib->callback_data == cmd)) {
606                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
607                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
608                 }
609         }
610         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
611                                         AAC_DRIVERNAME);
612
613         if ((count = aac_check_health(aac)))
614                 return count;
615         /*
616          * Wait for all commands to complete to this specific
617          * target (block maximum 60 seconds).
618          */
619         for (count = 60; count; --count) {
620                 int active = aac->in_reset;
621
622                 if (active == 0)
623                 __shost_for_each_device(dev, host) {
624                         spin_lock_irqsave(&dev->list_lock, flags);
625                         list_for_each_entry(command, &dev->cmd_list, list) {
626                                 if ((command != cmd) &&
627                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
628                                         active++;
629                                         break;
630                                 }
631                         }
632                         spin_unlock_irqrestore(&dev->list_lock, flags);
633                         if (active)
634                                 break;
635
636                 }
637                 /*
638                  * We can exit If all the commands are complete
639                  */
640                 if (active == 0)
641                         return SUCCESS;
642                 ssleep(1);
643         }
644         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
645         /*
646          * This adapter needs a blind reset, only do so for Adapters that
647          * support a register, instead of a commanded, reset.
648          */
649         if ((aac->supplement_adapter_info.SupportedOptions2 &
650            AAC_OPTION_MU_RESET) &&
651           aac_check_reset &&
652           ((aac_check_reset != 1) ||
653            !(aac->supplement_adapter_info.SupportedOptions2 &
654             AAC_OPTION_IGNORE_RESET)))
655                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
656         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
657 }
658
659 /**
660  *      aac_cfg_open            -       open a configuration file
661  *      @inode: inode being opened
662  *      @file: file handle attached
663  *
664  *      Called when the configuration device is opened. Does the needed
665  *      set up on the handle and then returns
666  *
667  *      Bugs: This needs extending to check a given adapter is present
668  *      so we can support hot plugging, and to ref count adapters.
669  */
670
671 static int aac_cfg_open(struct inode *inode, struct file *file)
672 {
673         struct aac_dev *aac;
674         unsigned minor_number = iminor(inode);
675         int err = -ENODEV;
676
677         lock_kernel();  /* BKL pushdown: nothing else protects this list */
678         list_for_each_entry(aac, &aac_devices, entry) {
679                 if (aac->id == minor_number) {
680                         file->private_data = aac;
681                         err = 0;
682                         break;
683                 }
684         }
685         unlock_kernel();
686
687         return err;
688 }
689
690 /**
691  *      aac_cfg_ioctl           -       AAC configuration request
692  *      @inode: inode of device
693  *      @file: file handle
694  *      @cmd: ioctl command code
695  *      @arg: argument
696  *
697  *      Handles a configuration ioctl. Currently this involves wrapping it
698  *      up and feeding it into the nasty windowsalike glue layer.
699  *
700  *      Bugs: Needs locking against parallel ioctls lower down
701  *      Bugs: Needs to handle hot plugging
702  */
703
704 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
705                 unsigned int cmd, unsigned long arg)
706 {
707         if (!capable(CAP_SYS_RAWIO))
708                 return -EPERM;
709         return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
710 }
711
712 #ifdef CONFIG_COMPAT
713 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
714 {
715         long ret;
716         lock_kernel();
717         switch (cmd) {
718         case FSACTL_MINIPORT_REV_CHECK:
719         case FSACTL_SENDFIB:
720         case FSACTL_OPEN_GET_ADAPTER_FIB:
721         case FSACTL_CLOSE_GET_ADAPTER_FIB:
722         case FSACTL_SEND_RAW_SRB:
723         case FSACTL_GET_PCI_INFO:
724         case FSACTL_QUERY_DISK:
725         case FSACTL_DELETE_DISK:
726         case FSACTL_FORCE_DELETE_DISK:
727         case FSACTL_GET_CONTAINERS:
728         case FSACTL_SEND_LARGE_FIB:
729                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
730                 break;
731
732         case FSACTL_GET_NEXT_ADAPTER_FIB: {
733                 struct fib_ioctl __user *f;
734
735                 f = compat_alloc_user_space(sizeof(*f));
736                 ret = 0;
737                 if (clear_user(f, sizeof(*f)))
738                         ret = -EFAULT;
739                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
740                         ret = -EFAULT;
741                 if (!ret)
742                         ret = aac_do_ioctl(dev, cmd, f);
743                 break;
744         }
745
746         default:
747                 ret = -ENOIOCTLCMD;
748                 break;
749         }
750         unlock_kernel();
751         return ret;
752 }
753
754 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
755 {
756         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
757         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
758 }
759
760 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
761 {
762         if (!capable(CAP_SYS_RAWIO))
763                 return -EPERM;
764         return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
765 }
766 #endif
767
768 static ssize_t aac_show_model(struct device *device,
769                               struct device_attribute *attr, char *buf)
770 {
771         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
772         int len;
773
774         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
775                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
776                 while (*cp && *cp != ' ')
777                         ++cp;
778                 while (*cp == ' ')
779                         ++cp;
780                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
781         } else
782                 len = snprintf(buf, PAGE_SIZE, "%s\n",
783                   aac_drivers[dev->cardtype].model);
784         return len;
785 }
786
787 static ssize_t aac_show_vendor(struct device *device,
788                                struct device_attribute *attr, char *buf)
789 {
790         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
791         int len;
792
793         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
794                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
795                 while (*cp && *cp != ' ')
796                         ++cp;
797                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
798                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
799                   dev->supplement_adapter_info.AdapterTypeText);
800         } else
801                 len = snprintf(buf, PAGE_SIZE, "%s\n",
802                   aac_drivers[dev->cardtype].vname);
803         return len;
804 }
805
806 static ssize_t aac_show_flags(struct device *cdev,
807                               struct device_attribute *attr, char *buf)
808 {
809         int len = 0;
810         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
811
812         if (nblank(dprintk(x)))
813                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
814 #ifdef AAC_DETAILED_STATUS_INFO
815         len += snprintf(buf + len, PAGE_SIZE - len,
816                         "AAC_DETAILED_STATUS_INFO\n");
817 #endif
818         if (dev->raw_io_interface && dev->raw_io_64)
819                 len += snprintf(buf + len, PAGE_SIZE - len,
820                                 "SAI_READ_CAPACITY_16\n");
821         if (dev->jbod)
822                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
823         if (dev->supplement_adapter_info.SupportedOptions2 &
824                 AAC_OPTION_POWER_MANAGEMENT)
825                 len += snprintf(buf + len, PAGE_SIZE - len,
826                                 "SUPPORTED_POWER_MANAGEMENT\n");
827         if (dev->msi)
828                 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
829         return len;
830 }
831
832 static ssize_t aac_show_kernel_version(struct device *device,
833                                        struct device_attribute *attr,
834                                        char *buf)
835 {
836         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
837         int len, tmp;
838
839         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
840         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
841           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
842           le32_to_cpu(dev->adapter_info.kernelbuild));
843         return len;
844 }
845
846 static ssize_t aac_show_monitor_version(struct device *device,
847                                         struct device_attribute *attr,
848                                         char *buf)
849 {
850         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
851         int len, tmp;
852
853         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
854         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
855           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
856           le32_to_cpu(dev->adapter_info.monitorbuild));
857         return len;
858 }
859
860 static ssize_t aac_show_bios_version(struct device *device,
861                                      struct device_attribute *attr,
862                                      char *buf)
863 {
864         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
865         int len, tmp;
866
867         tmp = le32_to_cpu(dev->adapter_info.biosrev);
868         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
869           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
870           le32_to_cpu(dev->adapter_info.biosbuild));
871         return len;
872 }
873
874 static ssize_t aac_show_serial_number(struct device *device,
875                                struct device_attribute *attr, char *buf)
876 {
877         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
878         int len = 0;
879
880         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
881                 len = snprintf(buf, PAGE_SIZE, "%06X\n",
882                   le32_to_cpu(dev->adapter_info.serial[0]));
883         if (len &&
884           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
885             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
886           buf, len-1))
887                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
888                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
889                   dev->supplement_adapter_info.MfgPcbaSerialNo);
890         return len;
891 }
892
893 static ssize_t aac_show_max_channel(struct device *device,
894                                     struct device_attribute *attr, char *buf)
895 {
896         return snprintf(buf, PAGE_SIZE, "%d\n",
897           class_to_shost(device)->max_channel);
898 }
899
900 static ssize_t aac_show_max_id(struct device *device,
901                                struct device_attribute *attr, char *buf)
902 {
903         return snprintf(buf, PAGE_SIZE, "%d\n",
904           class_to_shost(device)->max_id);
905 }
906
907 static ssize_t aac_store_reset_adapter(struct device *device,
908                                        struct device_attribute *attr,
909                                        const char *buf, size_t count)
910 {
911         int retval = -EACCES;
912
913         if (!capable(CAP_SYS_ADMIN))
914                 return retval;
915         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
916         if (retval >= 0)
917                 retval = count;
918         return retval;
919 }
920
921 static ssize_t aac_show_reset_adapter(struct device *device,
922                                       struct device_attribute *attr,
923                                       char *buf)
924 {
925         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
926         int len, tmp;
927
928         tmp = aac_adapter_check_health(dev);
929         if ((tmp == 0) && dev->in_reset)
930                 tmp = -EBUSY;
931         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
932         return len;
933 }
934
935 static struct device_attribute aac_model = {
936         .attr = {
937                 .name = "model",
938                 .mode = S_IRUGO,
939         },
940         .show = aac_show_model,
941 };
942 static struct device_attribute aac_vendor = {
943         .attr = {
944                 .name = "vendor",
945                 .mode = S_IRUGO,
946         },
947         .show = aac_show_vendor,
948 };
949 static struct device_attribute aac_flags = {
950         .attr = {
951                 .name = "flags",
952                 .mode = S_IRUGO,
953         },
954         .show = aac_show_flags,
955 };
956 static struct device_attribute aac_kernel_version = {
957         .attr = {
958                 .name = "hba_kernel_version",
959                 .mode = S_IRUGO,
960         },
961         .show = aac_show_kernel_version,
962 };
963 static struct device_attribute aac_monitor_version = {
964         .attr = {
965                 .name = "hba_monitor_version",
966                 .mode = S_IRUGO,
967         },
968         .show = aac_show_monitor_version,
969 };
970 static struct device_attribute aac_bios_version = {
971         .attr = {
972                 .name = "hba_bios_version",
973                 .mode = S_IRUGO,
974         },
975         .show = aac_show_bios_version,
976 };
977 static struct device_attribute aac_serial_number = {
978         .attr = {
979                 .name = "serial_number",
980                 .mode = S_IRUGO,
981         },
982         .show = aac_show_serial_number,
983 };
984 static struct device_attribute aac_max_channel = {
985         .attr = {
986                 .name = "max_channel",
987                 .mode = S_IRUGO,
988         },
989         .show = aac_show_max_channel,
990 };
991 static struct device_attribute aac_max_id = {
992         .attr = {
993                 .name = "max_id",
994                 .mode = S_IRUGO,
995         },
996         .show = aac_show_max_id,
997 };
998 static struct device_attribute aac_reset = {
999         .attr = {
1000                 .name = "reset_host",
1001                 .mode = S_IWUSR|S_IRUGO,
1002         },
1003         .store = aac_store_reset_adapter,
1004         .show = aac_show_reset_adapter,
1005 };
1006
1007 static struct device_attribute *aac_attrs[] = {
1008         &aac_model,
1009         &aac_vendor,
1010         &aac_flags,
1011         &aac_kernel_version,
1012         &aac_monitor_version,
1013         &aac_bios_version,
1014         &aac_serial_number,
1015         &aac_max_channel,
1016         &aac_max_id,
1017         &aac_reset,
1018         NULL
1019 };
1020
1021 ssize_t aac_get_serial_number(struct device *device, char *buf)
1022 {
1023         return aac_show_serial_number(device, &aac_serial_number, buf);
1024 }
1025
1026 static const struct file_operations aac_cfg_fops = {
1027         .owner          = THIS_MODULE,
1028         .ioctl          = aac_cfg_ioctl,
1029 #ifdef CONFIG_COMPAT
1030         .compat_ioctl   = aac_compat_cfg_ioctl,
1031 #endif
1032         .open           = aac_cfg_open,
1033 };
1034
1035 static struct scsi_host_template aac_driver_template = {
1036         .module                         = THIS_MODULE,
1037         .name                           = "AAC",
1038         .proc_name                      = AAC_DRIVERNAME,
1039         .info                           = aac_info,
1040         .ioctl                          = aac_ioctl,
1041 #ifdef CONFIG_COMPAT
1042         .compat_ioctl                   = aac_compat_ioctl,
1043 #endif
1044         .queuecommand                   = aac_queuecommand,
1045         .bios_param                     = aac_biosparm,
1046         .shost_attrs                    = aac_attrs,
1047         .slave_configure                = aac_slave_configure,
1048         .change_queue_depth             = aac_change_queue_depth,
1049         .sdev_attrs                     = aac_dev_attrs,
1050         .eh_abort_handler               = aac_eh_abort,
1051         .eh_host_reset_handler          = aac_eh_reset,
1052         .can_queue                      = AAC_NUM_IO_FIB,
1053         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1054         .sg_tablesize                   = 16,
1055         .max_sectors                    = 128,
1056 #if (AAC_NUM_IO_FIB > 256)
1057         .cmd_per_lun                    = 256,
1058 #else
1059         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1060 #endif
1061         .use_clustering                 = ENABLE_CLUSTERING,
1062         .emulated                       = 1,
1063 };
1064
1065 static void __aac_shutdown(struct aac_dev * aac)
1066 {
1067         if (aac->aif_thread)
1068                 kthread_stop(aac->thread);
1069         aac_send_shutdown(aac);
1070         aac_adapter_disable_int(aac);
1071         free_irq(aac->pdev->irq, aac);
1072         if (aac->msi)
1073                 pci_disable_msi(aac->pdev);
1074 }
1075
1076 static int __devinit aac_probe_one(struct pci_dev *pdev,
1077                 const struct pci_device_id *id)
1078 {
1079         unsigned index = id->driver_data;
1080         struct Scsi_Host *shost;
1081         struct aac_dev *aac;
1082         struct list_head *insert = &aac_devices;
1083         int error = -ENODEV;
1084         int unique_id = 0;
1085
1086         list_for_each_entry(aac, &aac_devices, entry) {
1087                 if (aac->id > unique_id)
1088                         break;
1089                 insert = &aac->entry;
1090                 unique_id++;
1091         }
1092
1093         error = pci_enable_device(pdev);
1094         if (error)
1095                 goto out;
1096         error = -ENODEV;
1097
1098         if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1099                         pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1100                 goto out_disable_pdev;
1101         /*
1102          * If the quirk31 bit is set, the adapter needs adapter
1103          * to driver communication memory to be allocated below 2gig
1104          */
1105         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1106                 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1107                                 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1108                         goto out_disable_pdev;
1109
1110         pci_set_master(pdev);
1111
1112         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1113         if (!shost)
1114                 goto out_disable_pdev;
1115
1116         shost->irq = pdev->irq;
1117         shost->base = pci_resource_start(pdev, 0);
1118         shost->unique_id = unique_id;
1119         shost->max_cmd_len = 16;
1120
1121         aac = (struct aac_dev *)shost->hostdata;
1122         aac->scsi_host_ptr = shost;
1123         aac->pdev = pdev;
1124         aac->name = aac_driver_template.name;
1125         aac->id = shost->unique_id;
1126         aac->cardtype = index;
1127         INIT_LIST_HEAD(&aac->entry);
1128
1129         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1130         if (!aac->fibs)
1131                 goto out_free_host;
1132         spin_lock_init(&aac->fib_lock);
1133
1134         /*
1135          *      Map in the registers from the adapter.
1136          */
1137         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1138         if ((*aac_drivers[index].init)(aac))
1139                 goto out_unmap;
1140
1141         /*
1142          *      Start any kernel threads needed
1143          */
1144         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1145         if (IS_ERR(aac->thread)) {
1146                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1147                 error = PTR_ERR(aac->thread);
1148                 goto out_deinit;
1149         }
1150
1151         /*
1152          * If we had set a smaller DMA mask earlier, set it to 4gig
1153          * now since the adapter can dma data to at least a 4gig
1154          * address space.
1155          */
1156         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1157                 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1158                         goto out_deinit;
1159
1160         aac->maximum_num_channels = aac_drivers[index].channels;
1161         error = aac_get_adapter_info(aac);
1162         if (error < 0)
1163                 goto out_deinit;
1164
1165         /*
1166          * Lets override negotiations and drop the maximum SG limit to 34
1167          */
1168         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1169                         (shost->sg_tablesize > 34)) {
1170                 shost->sg_tablesize = 34;
1171                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1172         }
1173
1174         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1175                         (shost->sg_tablesize > 17)) {
1176                 shost->sg_tablesize = 17;
1177                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1178         }
1179
1180         error = pci_set_dma_max_seg_size(pdev,
1181                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1182                         (shost->max_sectors << 9) : 65536);
1183         if (error)
1184                 goto out_deinit;
1185
1186         /*
1187          * Firmware printf works only with older firmware.
1188          */
1189         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1190                 aac->printf_enabled = 1;
1191         else
1192                 aac->printf_enabled = 0;
1193
1194         /*
1195          * max channel will be the physical channels plus 1 virtual channel
1196          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1197          * physical channels are address by their actual physical number+1
1198          */
1199         if (aac->nondasd_support || expose_physicals || aac->jbod)
1200                 shost->max_channel = aac->maximum_num_channels;
1201         else
1202                 shost->max_channel = 0;
1203
1204         aac_get_config_status(aac, 0);
1205         aac_get_containers(aac);
1206         list_add(&aac->entry, insert);
1207
1208         shost->max_id = aac->maximum_num_containers;
1209         if (shost->max_id < aac->maximum_num_physicals)
1210                 shost->max_id = aac->maximum_num_physicals;
1211         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1212                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1213         else
1214                 shost->this_id = shost->max_id;
1215
1216         /*
1217          * dmb - we may need to move the setting of these parms somewhere else once
1218          * we get a fib that can report the actual numbers
1219          */
1220         shost->max_lun = AAC_MAX_LUN;
1221
1222         pci_set_drvdata(pdev, shost);
1223
1224         error = scsi_add_host(shost, &pdev->dev);
1225         if (error)
1226                 goto out_deinit;
1227         scsi_scan_host(shost);
1228
1229         return 0;
1230
1231  out_deinit:
1232         __aac_shutdown(aac);
1233  out_unmap:
1234         aac_fib_map_free(aac);
1235         if (aac->comm_addr)
1236                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1237                   aac->comm_phys);
1238         kfree(aac->queues);
1239         aac_adapter_ioremap(aac, 0);
1240         kfree(aac->fibs);
1241         kfree(aac->fsa_dev);
1242  out_free_host:
1243         scsi_host_put(shost);
1244  out_disable_pdev:
1245         pci_disable_device(pdev);
1246  out:
1247         return error;
1248 }
1249
1250 static void aac_shutdown(struct pci_dev *dev)
1251 {
1252         struct Scsi_Host *shost = pci_get_drvdata(dev);
1253         scsi_block_requests(shost);
1254         __aac_shutdown((struct aac_dev *)shost->hostdata);
1255 }
1256
1257 static void __devexit aac_remove_one(struct pci_dev *pdev)
1258 {
1259         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1260         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1261
1262         scsi_remove_host(shost);
1263
1264         __aac_shutdown(aac);
1265         aac_fib_map_free(aac);
1266         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1267                         aac->comm_phys);
1268         kfree(aac->queues);
1269
1270         aac_adapter_ioremap(aac, 0);
1271
1272         kfree(aac->fibs);
1273         kfree(aac->fsa_dev);
1274
1275         list_del(&aac->entry);
1276         scsi_host_put(shost);
1277         pci_disable_device(pdev);
1278         if (list_empty(&aac_devices)) {
1279                 unregister_chrdev(aac_cfg_major, "aac");
1280                 aac_cfg_major = -1;
1281         }
1282 }
1283
1284 static struct pci_driver aac_pci_driver = {
1285         .name           = AAC_DRIVERNAME,
1286         .id_table       = aac_pci_tbl,
1287         .probe          = aac_probe_one,
1288         .remove         = __devexit_p(aac_remove_one),
1289         .shutdown       = aac_shutdown,
1290 };
1291
1292 static int __init aac_init(void)
1293 {
1294         int error;
1295
1296         printk(KERN_INFO "Adaptec %s driver %s\n",
1297           AAC_DRIVERNAME, aac_driver_version);
1298
1299         error = pci_register_driver(&aac_pci_driver);
1300         if (error < 0)
1301                 return error;
1302
1303         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1304         if (aac_cfg_major < 0) {
1305                 printk(KERN_WARNING
1306                         "aacraid: unable to register \"aac\" device.\n");
1307         }
1308
1309         return 0;
1310 }
1311
1312 static void __exit aac_exit(void)
1313 {
1314         if (aac_cfg_major > -1)
1315                 unregister_chrdev(aac_cfg_major, "aac");
1316         pci_unregister_driver(&aac_pci_driver);
1317 }
1318
1319 module_init(aac_init);
1320 module_exit(aac_exit);