Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6
[linux-2.6.git] / drivers / scsi / aacraid / linit.c
1 /*
2  *      Adaptec AAC series RAID controller driver
3  *      (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4  *
5  * based on the old aacraid driver that is..
6  * Adaptec aacraid device driver for Linux.
7  *
8  * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2, or (at your option)
13  * any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; see the file COPYING.  If not, write to
22  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
23  *
24  * Module Name:
25  *   linit.c
26  *
27  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
28  */
29
30
31 #include <linux/compat.h>
32 #include <linux/blkdev.h>
33 #include <linux/completion.h>
34 #include <linux/init.h>
35 #include <linux/interrupt.h>
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/moduleparam.h>
39 #include <linux/pci.h>
40 #include <linux/slab.h>
41 #include <linux/spinlock.h>
42 #include <linux/syscalls.h>
43 #include <linux/delay.h>
44 #include <linux/kthread.h>
45
46 #include <scsi/scsi.h>
47 #include <scsi/scsi_cmnd.h>
48 #include <scsi/scsi_device.h>
49 #include <scsi/scsi_host.h>
50 #include <scsi/scsi_tcq.h>
51 #include <scsi/scsicam.h>
52 #include <scsi/scsi_eh.h>
53
54 #include "aacraid.h"
55
56 #define AAC_DRIVER_VERSION              "1.1-5"
57 #ifndef AAC_DRIVER_BRANCH
58 #define AAC_DRIVER_BRANCH               ""
59 #endif
60 #define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
61 #define AAC_DRIVERNAME                  "aacraid"
62
63 #ifdef AAC_DRIVER_BUILD
64 #define _str(x) #x
65 #define str(x) _str(x)
66 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
67 #else
68 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
69 #endif
70
71 MODULE_AUTHOR("Red Hat Inc and Adaptec");
72 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
73                    "Adaptec Advanced Raid Products, "
74                    "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
75 MODULE_LICENSE("GPL");
76 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
77
78 static LIST_HEAD(aac_devices);
79 static int aac_cfg_major = -1;
80 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
81
82 /*
83  * Because of the way Linux names scsi devices, the order in this table has
84  * become important.  Check for on-board Raid first, add-in cards second.
85  *
86  * Note: The last field is used to index into aac_drivers below.
87  */
88 static struct pci_device_id aac_pci_tbl[] = {
89         { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
90         { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
91         { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
92         { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
93         { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
94         { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
95         { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
96         { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
97         { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
98         { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
99         { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
100         { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
101         { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
102         { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
103         { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
104         { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
105
106         { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
107         { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
108         { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
109         { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
110         { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
111         { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
112         { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
113         { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
114         { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
115         { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
116         { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
117         { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
118         { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
119         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
120         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
121         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
122         { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
123         { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
124         { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
125         { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
126         { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
127         { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
128         { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
129         { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
130         { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
131         { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
132         { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
133         { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
134         { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
135         { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
136         { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
137         { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
138         { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
139         { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
140         { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
141         { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
142         { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
143         { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
144
145         { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
146         { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
147         { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
148         { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
149         { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
150
151         { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
152         { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
153         { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
154         { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
155         { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
156         { 0,}
157 };
158 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
159
160 /*
161  * dmb - For now we add the number of channels to this structure.
162  * In the future we should add a fib that reports the number of channels
163  * for the card.  At that time we can remove the channels from here
164  */
165 static struct aac_driver_ident aac_drivers[] = {
166         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
167         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
168         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
169         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
170         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
171         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
172         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
173         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
174         { aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
175         { aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
176         { aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
177         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2120S (Crusader) */
178         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan) */
179         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
180         { aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
181         { aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
182
183         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
184         { aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
185         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
186         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
187         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
188         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
189         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
190         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
191         { aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
192         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
193         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
194         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
195         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
196         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
197         { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
198         { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
199         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
200         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
201         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
202         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
203         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
204         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
205         { aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
206         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
207         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
208         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
209         { aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
210         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
211         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
212         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
213         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
214         { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
215         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
216         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
217         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
218         { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
219
220         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
221         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
222         { aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
223         { aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
224         { aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
225
226         { aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
227         { aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
228         { aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
229         { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
230         { aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
231 };
232
233 /**
234  *      aac_queuecommand        -       queue a SCSI command
235  *      @cmd:           SCSI command to queue
236  *      @done:          Function to call on command completion
237  *
238  *      Queues a command for execution by the associated Host Adapter.
239  *
240  *      TODO: unify with aac_scsi_cmd().
241  */
242
243 static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
244 {
245         struct Scsi_Host *host = cmd->device->host;
246         struct aac_dev *dev = (struct aac_dev *)host->hostdata;
247         u32 count = 0;
248         cmd->scsi_done = done;
249         for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
250                 struct fib * fib = &dev->fibs[count];
251                 struct scsi_cmnd * command;
252                 if (fib->hw_fib_va->header.XferState &&
253                     ((command = fib->callback_data)) &&
254                     (command == cmd) &&
255                     (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
256                         return 0; /* Already owned by Adapter */
257         }
258         cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259         return (aac_scsi_cmd(cmd) ? FAILED : 0);
260 }
261
262 /**
263  *      aac_info                -       Returns the host adapter name
264  *      @shost:         Scsi host to report on
265  *
266  *      Returns a static string describing the device in question
267  */
268
269 static const char *aac_info(struct Scsi_Host *shost)
270 {
271         struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
272         return aac_drivers[dev->cardtype].name;
273 }
274
275 /**
276  *      aac_get_driver_ident
277  *      @devtype: index into lookup table
278  *
279  *      Returns a pointer to the entry in the driver lookup table.
280  */
281
282 struct aac_driver_ident* aac_get_driver_ident(int devtype)
283 {
284         return &aac_drivers[devtype];
285 }
286
287 /**
288  *      aac_biosparm    -       return BIOS parameters for disk
289  *      @sdev: The scsi device corresponding to the disk
290  *      @bdev: the block device corresponding to the disk
291  *      @capacity: the sector capacity of the disk
292  *      @geom: geometry block to fill in
293  *
294  *      Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
295  *      The default disk geometry is 64 heads, 32 sectors, and the appropriate
296  *      number of cylinders so as not to exceed drive capacity.  In order for
297  *      disks equal to or larger than 1 GB to be addressable by the BIOS
298  *      without exceeding the BIOS limitation of 1024 cylinders, Extended
299  *      Translation should be enabled.   With Extended Translation enabled,
300  *      drives between 1 GB inclusive and 2 GB exclusive are given a disk
301  *      geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
302  *      are given a disk geometry of 255 heads and 63 sectors.  However, if
303  *      the BIOS detects that the Extended Translation setting does not match
304  *      the geometry in the partition table, then the translation inferred
305  *      from the partition table will be used by the BIOS, and a warning may
306  *      be displayed.
307  */
308
309 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
310                         sector_t capacity, int *geom)
311 {
312         struct diskparm *param = (struct diskparm *)geom;
313         unsigned char *buf;
314
315         dprintk((KERN_DEBUG "aac_biosparm.\n"));
316
317         /*
318          *      Assuming extended translation is enabled - #REVISIT#
319          */
320         if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
321                 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
322                         param->heads = 255;
323                         param->sectors = 63;
324                 } else {
325                         param->heads = 128;
326                         param->sectors = 32;
327                 }
328         } else {
329                 param->heads = 64;
330                 param->sectors = 32;
331         }
332
333         param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
334
335         /*
336          *      Read the first 1024 bytes from the disk device, if the boot
337          *      sector partition table is valid, search for a partition table
338          *      entry whose end_head matches one of the standard geometry
339          *      translations ( 64/32, 128/32, 255/63 ).
340          */
341         buf = scsi_bios_ptable(bdev);
342         if (!buf)
343                 return 0;
344         if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
345                 struct partition *first = (struct partition * )buf;
346                 struct partition *entry = first;
347                 int saved_cylinders = param->cylinders;
348                 int num;
349                 unsigned char end_head, end_sec;
350
351                 for(num = 0; num < 4; num++) {
352                         end_head = entry->end_head;
353                         end_sec = entry->end_sector & 0x3f;
354
355                         if(end_head == 63) {
356                                 param->heads = 64;
357                                 param->sectors = 32;
358                                 break;
359                         } else if(end_head == 127) {
360                                 param->heads = 128;
361                                 param->sectors = 32;
362                                 break;
363                         } else if(end_head == 254) {
364                                 param->heads = 255;
365                                 param->sectors = 63;
366                                 break;
367                         }
368                         entry++;
369                 }
370
371                 if (num == 4) {
372                         end_head = first->end_head;
373                         end_sec = first->end_sector & 0x3f;
374                 }
375
376                 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
377                 if (num < 4 && end_sec == param->sectors) {
378                         if (param->cylinders != saved_cylinders)
379                                 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
380                                         param->heads, param->sectors, num));
381                 } else if (end_head > 0 || end_sec > 0) {
382                         dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
383                                 end_head + 1, end_sec, num));
384                         dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
385                                         param->heads, param->sectors));
386                 }
387         }
388         kfree(buf);
389         return 0;
390 }
391
392 /**
393  *      aac_slave_configure             -       compute queue depths
394  *      @sdev:  SCSI device we are considering
395  *
396  *      Selects queue depths for each target device based on the host adapter's
397  *      total capacity and the queue depth supported by the target device.
398  *      A queue depth of one automatically disables tagged queueing.
399  */
400
401 static int aac_slave_configure(struct scsi_device *sdev)
402 {
403         struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
404         if ((sdev->type == TYPE_DISK) &&
405                         (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
406                         (!aac->jbod || sdev->inq_periph_qual) &&
407                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
408                 if (expose_physicals == 0)
409                         return -ENXIO;
410                 if (expose_physicals < 0)
411                         sdev->no_uld_attach = 1;
412         }
413         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
414                         (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
415                         !sdev->no_uld_attach) {
416                 struct scsi_device * dev;
417                 struct Scsi_Host *host = sdev->host;
418                 unsigned num_lsu = 0;
419                 unsigned num_one = 0;
420                 unsigned depth;
421                 unsigned cid;
422
423                 /*
424                  * Firmware has an individual device recovery time typically
425                  * of 35 seconds, give us a margin.
426                  */
427                 if (sdev->timeout < (45 * HZ))
428                         sdev->timeout = 45 * HZ;
429                 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
430                         if (aac->fsa_dev[cid].valid)
431                                 ++num_lsu;
432                 __shost_for_each_device(dev, host) {
433                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
434                                         (!aac->raid_scsi_mode ||
435                                                 (sdev_channel(sdev) != 2)) &&
436                                         !dev->no_uld_attach) {
437                                 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
438                                  || !aac->fsa_dev[sdev_id(dev)].valid)
439                                         ++num_lsu;
440                         } else
441                                 ++num_one;
442                 }
443                 if (num_lsu == 0)
444                         ++num_lsu;
445                 depth = (host->can_queue - num_one) / num_lsu;
446                 if (depth > 256)
447                         depth = 256;
448                 else if (depth < 2)
449                         depth = 2;
450                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
451         } else
452                 scsi_adjust_queue_depth(sdev, 0, 1);
453
454         return 0;
455 }
456
457 /**
458  *      aac_change_queue_depth          -       alter queue depths
459  *      @sdev:  SCSI device we are considering
460  *      @depth: desired queue depth
461  *
462  *      Alters queue depths for target device based on the host adapter's
463  *      total capacity and the queue depth supported by the target device.
464  */
465
466 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
467 {
468         if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
469             (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
470                 struct scsi_device * dev;
471                 struct Scsi_Host *host = sdev->host;
472                 unsigned num = 0;
473
474                 __shost_for_each_device(dev, host) {
475                         if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
476                             (sdev_channel(dev) == CONTAINER_CHANNEL))
477                                 ++num;
478                         ++num;
479                 }
480                 if (num >= host->can_queue)
481                         num = host->can_queue - 1;
482                 if (depth > (host->can_queue - num))
483                         depth = host->can_queue - num;
484                 if (depth > 256)
485                         depth = 256;
486                 else if (depth < 2)
487                         depth = 2;
488                 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
489         } else
490                 scsi_adjust_queue_depth(sdev, 0, 1);
491         return sdev->queue_depth;
492 }
493
494 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
495 {
496         struct scsi_device *sdev = to_scsi_device(dev);
497         struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
498         if (sdev_channel(sdev) != CONTAINER_CHANNEL)
499                 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
500                   ? "Hidden\n" :
501                   ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
502         return snprintf(buf, PAGE_SIZE, "%s\n",
503           get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
504 }
505
506 static struct device_attribute aac_raid_level_attr = {
507         .attr = {
508                 .name = "level",
509                 .mode = S_IRUGO,
510         },
511         .show = aac_show_raid_level
512 };
513
514 static struct device_attribute *aac_dev_attrs[] = {
515         &aac_raid_level_attr,
516         NULL,
517 };
518
519 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
520 {
521         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
522         if (!capable(CAP_SYS_RAWIO))
523                 return -EPERM;
524         return aac_do_ioctl(dev, cmd, arg);
525 }
526
527 static int aac_eh_abort(struct scsi_cmnd* cmd)
528 {
529         struct scsi_device * dev = cmd->device;
530         struct Scsi_Host * host = dev->host;
531         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
532         int count;
533         int ret = FAILED;
534
535         printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
536                 AAC_DRIVERNAME,
537                 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
538         switch (cmd->cmnd[0]) {
539         case SERVICE_ACTION_IN:
540                 if (!(aac->raw_io_interface) ||
541                     !(aac->raw_io_64) ||
542                     ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
543                         break;
544         case INQUIRY:
545         case READ_CAPACITY:
546                 /* Mark associated FIB to not complete, eh handler does this */
547                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
548                         struct fib * fib = &aac->fibs[count];
549                         if (fib->hw_fib_va->header.XferState &&
550                           (fib->flags & FIB_CONTEXT_FLAG) &&
551                           (fib->callback_data == cmd)) {
552                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
553                                 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
554                                 ret = SUCCESS;
555                         }
556                 }
557                 break;
558         case TEST_UNIT_READY:
559                 /* Mark associated FIB to not complete, eh handler does this */
560                 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
561                         struct scsi_cmnd * command;
562                         struct fib * fib = &aac->fibs[count];
563                         if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
564                           (fib->flags & FIB_CONTEXT_FLAG) &&
565                           ((command = fib->callback_data)) &&
566                           (command->device == cmd->device)) {
567                                 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
568                                 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
569                                 if (command == cmd)
570                                         ret = SUCCESS;
571                         }
572                 }
573         }
574         return ret;
575 }
576
577 /*
578  *      aac_eh_reset    - Reset command handling
579  *      @scsi_cmd:      SCSI command block causing the reset
580  *
581  */
582 static int aac_eh_reset(struct scsi_cmnd* cmd)
583 {
584         struct scsi_device * dev = cmd->device;
585         struct Scsi_Host * host = dev->host;
586         struct scsi_cmnd * command;
587         int count;
588         struct aac_dev * aac = (struct aac_dev *)host->hostdata;
589         unsigned long flags;
590
591         /* Mark the associated FIB to not complete, eh handler does this */
592         for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
593                 struct fib * fib = &aac->fibs[count];
594                 if (fib->hw_fib_va->header.XferState &&
595                   (fib->flags & FIB_CONTEXT_FLAG) &&
596                   (fib->callback_data == cmd)) {
597                         fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
598                         cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
599                 }
600         }
601         printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
602                                         AAC_DRIVERNAME);
603
604         if ((count = aac_check_health(aac)))
605                 return count;
606         /*
607          * Wait for all commands to complete to this specific
608          * target (block maximum 60 seconds).
609          */
610         for (count = 60; count; --count) {
611                 int active = aac->in_reset;
612
613                 if (active == 0)
614                 __shost_for_each_device(dev, host) {
615                         spin_lock_irqsave(&dev->list_lock, flags);
616                         list_for_each_entry(command, &dev->cmd_list, list) {
617                                 if ((command != cmd) &&
618                                     (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
619                                         active++;
620                                         break;
621                                 }
622                         }
623                         spin_unlock_irqrestore(&dev->list_lock, flags);
624                         if (active)
625                                 break;
626
627                 }
628                 /*
629                  * We can exit If all the commands are complete
630                  */
631                 if (active == 0)
632                         return SUCCESS;
633                 ssleep(1);
634         }
635         printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
636         /*
637          * This adapter needs a blind reset, only do so for Adapters that
638          * support a register, instead of a commanded, reset.
639          */
640         if ((aac->supplement_adapter_info.SupportedOptions2 &
641            AAC_OPTION_MU_RESET) &&
642           aac_check_reset &&
643           ((aac_check_reset != 1) ||
644            !(aac->supplement_adapter_info.SupportedOptions2 &
645             AAC_OPTION_IGNORE_RESET)))
646                 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
647         return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
648 }
649
650 /**
651  *      aac_cfg_open            -       open a configuration file
652  *      @inode: inode being opened
653  *      @file: file handle attached
654  *
655  *      Called when the configuration device is opened. Does the needed
656  *      set up on the handle and then returns
657  *
658  *      Bugs: This needs extending to check a given adapter is present
659  *      so we can support hot plugging, and to ref count adapters.
660  */
661
662 static int aac_cfg_open(struct inode *inode, struct file *file)
663 {
664         struct aac_dev *aac;
665         unsigned minor_number = iminor(inode);
666         int err = -ENODEV;
667
668         list_for_each_entry(aac, &aac_devices, entry) {
669                 if (aac->id == minor_number) {
670                         file->private_data = aac;
671                         err = 0;
672                         break;
673                 }
674         }
675
676         return err;
677 }
678
679 /**
680  *      aac_cfg_ioctl           -       AAC configuration request
681  *      @inode: inode of device
682  *      @file: file handle
683  *      @cmd: ioctl command code
684  *      @arg: argument
685  *
686  *      Handles a configuration ioctl. Currently this involves wrapping it
687  *      up and feeding it into the nasty windowsalike glue layer.
688  *
689  *      Bugs: Needs locking against parallel ioctls lower down
690  *      Bugs: Needs to handle hot plugging
691  */
692
693 static int aac_cfg_ioctl(struct inode *inode, struct file *file,
694                 unsigned int cmd, unsigned long arg)
695 {
696         if (!capable(CAP_SYS_RAWIO))
697                 return -EPERM;
698         return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
699 }
700
701 #ifdef CONFIG_COMPAT
702 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
703 {
704         long ret;
705         lock_kernel();
706         switch (cmd) {
707         case FSACTL_MINIPORT_REV_CHECK:
708         case FSACTL_SENDFIB:
709         case FSACTL_OPEN_GET_ADAPTER_FIB:
710         case FSACTL_CLOSE_GET_ADAPTER_FIB:
711         case FSACTL_SEND_RAW_SRB:
712         case FSACTL_GET_PCI_INFO:
713         case FSACTL_QUERY_DISK:
714         case FSACTL_DELETE_DISK:
715         case FSACTL_FORCE_DELETE_DISK:
716         case FSACTL_GET_CONTAINERS:
717         case FSACTL_SEND_LARGE_FIB:
718                 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
719                 break;
720
721         case FSACTL_GET_NEXT_ADAPTER_FIB: {
722                 struct fib_ioctl __user *f;
723
724                 f = compat_alloc_user_space(sizeof(*f));
725                 ret = 0;
726                 if (clear_user(f, sizeof(*f)))
727                         ret = -EFAULT;
728                 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
729                         ret = -EFAULT;
730                 if (!ret)
731                         ret = aac_do_ioctl(dev, cmd, f);
732                 break;
733         }
734
735         default:
736                 ret = -ENOIOCTLCMD;
737                 break;
738         }
739         unlock_kernel();
740         return ret;
741 }
742
743 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
744 {
745         struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
746         return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
747 }
748
749 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
750 {
751         if (!capable(CAP_SYS_RAWIO))
752                 return -EPERM;
753         return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
754 }
755 #endif
756
757 static ssize_t aac_show_model(struct device *device,
758                               struct device_attribute *attr, char *buf)
759 {
760         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
761         int len;
762
763         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
764                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
765                 while (*cp && *cp != ' ')
766                         ++cp;
767                 while (*cp == ' ')
768                         ++cp;
769                 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
770         } else
771                 len = snprintf(buf, PAGE_SIZE, "%s\n",
772                   aac_drivers[dev->cardtype].model);
773         return len;
774 }
775
776 static ssize_t aac_show_vendor(struct device *device,
777                                struct device_attribute *attr, char *buf)
778 {
779         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
780         int len;
781
782         if (dev->supplement_adapter_info.AdapterTypeText[0]) {
783                 char * cp = dev->supplement_adapter_info.AdapterTypeText;
784                 while (*cp && *cp != ' ')
785                         ++cp;
786                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
787                   (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
788                   dev->supplement_adapter_info.AdapterTypeText);
789         } else
790                 len = snprintf(buf, PAGE_SIZE, "%s\n",
791                   aac_drivers[dev->cardtype].vname);
792         return len;
793 }
794
795 static ssize_t aac_show_flags(struct device *cdev,
796                               struct device_attribute *attr, char *buf)
797 {
798         int len = 0;
799         struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
800
801         if (nblank(dprintk(x)))
802                 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
803 #ifdef AAC_DETAILED_STATUS_INFO
804         len += snprintf(buf + len, PAGE_SIZE - len,
805                         "AAC_DETAILED_STATUS_INFO\n");
806 #endif
807         if (dev->raw_io_interface && dev->raw_io_64)
808                 len += snprintf(buf + len, PAGE_SIZE - len,
809                                 "SAI_READ_CAPACITY_16\n");
810         if (dev->jbod)
811                 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
812         return len;
813 }
814
815 static ssize_t aac_show_kernel_version(struct device *device,
816                                        struct device_attribute *attr,
817                                        char *buf)
818 {
819         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
820         int len, tmp;
821
822         tmp = le32_to_cpu(dev->adapter_info.kernelrev);
823         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
824           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
825           le32_to_cpu(dev->adapter_info.kernelbuild));
826         return len;
827 }
828
829 static ssize_t aac_show_monitor_version(struct device *device,
830                                         struct device_attribute *attr,
831                                         char *buf)
832 {
833         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
834         int len, tmp;
835
836         tmp = le32_to_cpu(dev->adapter_info.monitorrev);
837         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
838           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
839           le32_to_cpu(dev->adapter_info.monitorbuild));
840         return len;
841 }
842
843 static ssize_t aac_show_bios_version(struct device *device,
844                                      struct device_attribute *attr,
845                                      char *buf)
846 {
847         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
848         int len, tmp;
849
850         tmp = le32_to_cpu(dev->adapter_info.biosrev);
851         len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
852           tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
853           le32_to_cpu(dev->adapter_info.biosbuild));
854         return len;
855 }
856
857 ssize_t aac_show_serial_number(struct device *device,
858                                struct device_attribute *attr, char *buf)
859 {
860         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
861         int len = 0;
862
863         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
864                 len = snprintf(buf, PAGE_SIZE, "%06X\n",
865                   le32_to_cpu(dev->adapter_info.serial[0]));
866         if (len &&
867           !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
868             sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
869           buf, len-1))
870                 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
871                   (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
872                   dev->supplement_adapter_info.MfgPcbaSerialNo);
873         return len;
874 }
875
876 static ssize_t aac_show_max_channel(struct device *device,
877                                     struct device_attribute *attr, char *buf)
878 {
879         return snprintf(buf, PAGE_SIZE, "%d\n",
880           class_to_shost(device)->max_channel);
881 }
882
883 static ssize_t aac_show_max_id(struct device *device,
884                                struct device_attribute *attr, char *buf)
885 {
886         return snprintf(buf, PAGE_SIZE, "%d\n",
887           class_to_shost(device)->max_id);
888 }
889
890 static ssize_t aac_store_reset_adapter(struct device *device,
891                                        struct device_attribute *attr,
892                                        const char *buf, size_t count)
893 {
894         int retval = -EACCES;
895
896         if (!capable(CAP_SYS_ADMIN))
897                 return retval;
898         retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
899         if (retval >= 0)
900                 retval = count;
901         return retval;
902 }
903
904 static ssize_t aac_show_reset_adapter(struct device *device,
905                                       struct device_attribute *attr,
906                                       char *buf)
907 {
908         struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
909         int len, tmp;
910
911         tmp = aac_adapter_check_health(dev);
912         if ((tmp == 0) && dev->in_reset)
913                 tmp = -EBUSY;
914         len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
915         return len;
916 }
917
918 static struct device_attribute aac_model = {
919         .attr = {
920                 .name = "model",
921                 .mode = S_IRUGO,
922         },
923         .show = aac_show_model,
924 };
925 static struct device_attribute aac_vendor = {
926         .attr = {
927                 .name = "vendor",
928                 .mode = S_IRUGO,
929         },
930         .show = aac_show_vendor,
931 };
932 static struct device_attribute aac_flags = {
933         .attr = {
934                 .name = "flags",
935                 .mode = S_IRUGO,
936         },
937         .show = aac_show_flags,
938 };
939 static struct device_attribute aac_kernel_version = {
940         .attr = {
941                 .name = "hba_kernel_version",
942                 .mode = S_IRUGO,
943         },
944         .show = aac_show_kernel_version,
945 };
946 static struct device_attribute aac_monitor_version = {
947         .attr = {
948                 .name = "hba_monitor_version",
949                 .mode = S_IRUGO,
950         },
951         .show = aac_show_monitor_version,
952 };
953 static struct device_attribute aac_bios_version = {
954         .attr = {
955                 .name = "hba_bios_version",
956                 .mode = S_IRUGO,
957         },
958         .show = aac_show_bios_version,
959 };
960 static struct device_attribute aac_serial_number = {
961         .attr = {
962                 .name = "serial_number",
963                 .mode = S_IRUGO,
964         },
965         .show = aac_show_serial_number,
966 };
967 static struct device_attribute aac_max_channel = {
968         .attr = {
969                 .name = "max_channel",
970                 .mode = S_IRUGO,
971         },
972         .show = aac_show_max_channel,
973 };
974 static struct device_attribute aac_max_id = {
975         .attr = {
976                 .name = "max_id",
977                 .mode = S_IRUGO,
978         },
979         .show = aac_show_max_id,
980 };
981 static struct device_attribute aac_reset = {
982         .attr = {
983                 .name = "reset_host",
984                 .mode = S_IWUSR|S_IRUGO,
985         },
986         .store = aac_store_reset_adapter,
987         .show = aac_show_reset_adapter,
988 };
989
990 static struct device_attribute *aac_attrs[] = {
991         &aac_model,
992         &aac_vendor,
993         &aac_flags,
994         &aac_kernel_version,
995         &aac_monitor_version,
996         &aac_bios_version,
997         &aac_serial_number,
998         &aac_max_channel,
999         &aac_max_id,
1000         &aac_reset,
1001         NULL
1002 };
1003
1004 ssize_t aac_get_serial_number(struct device *device, char *buf)
1005 {
1006         return aac_show_serial_number(device, &aac_serial_number, buf);
1007 }
1008
1009 static const struct file_operations aac_cfg_fops = {
1010         .owner          = THIS_MODULE,
1011         .ioctl          = aac_cfg_ioctl,
1012 #ifdef CONFIG_COMPAT
1013         .compat_ioctl   = aac_compat_cfg_ioctl,
1014 #endif
1015         .open           = aac_cfg_open,
1016 };
1017
1018 static struct scsi_host_template aac_driver_template = {
1019         .module                         = THIS_MODULE,
1020         .name                           = "AAC",
1021         .proc_name                      = AAC_DRIVERNAME,
1022         .info                           = aac_info,
1023         .ioctl                          = aac_ioctl,
1024 #ifdef CONFIG_COMPAT
1025         .compat_ioctl                   = aac_compat_ioctl,
1026 #endif
1027         .queuecommand                   = aac_queuecommand,
1028         .bios_param                     = aac_biosparm,
1029         .shost_attrs                    = aac_attrs,
1030         .slave_configure                = aac_slave_configure,
1031         .change_queue_depth             = aac_change_queue_depth,
1032         .sdev_attrs                     = aac_dev_attrs,
1033         .eh_abort_handler               = aac_eh_abort,
1034         .eh_host_reset_handler          = aac_eh_reset,
1035         .can_queue                      = AAC_NUM_IO_FIB,
1036         .this_id                        = MAXIMUM_NUM_CONTAINERS,
1037         .sg_tablesize                   = 16,
1038         .max_sectors                    = 128,
1039 #if (AAC_NUM_IO_FIB > 256)
1040         .cmd_per_lun                    = 256,
1041 #else
1042         .cmd_per_lun                    = AAC_NUM_IO_FIB,
1043 #endif
1044         .use_clustering                 = ENABLE_CLUSTERING,
1045         .emulated                       = 1,
1046 };
1047
1048 static void __aac_shutdown(struct aac_dev * aac)
1049 {
1050         if (aac->aif_thread)
1051                 kthread_stop(aac->thread);
1052         aac_send_shutdown(aac);
1053         aac_adapter_disable_int(aac);
1054         free_irq(aac->pdev->irq, aac);
1055         if (aac->msi)
1056                 pci_disable_msi(aac->pdev);
1057 }
1058
1059 static int __devinit aac_probe_one(struct pci_dev *pdev,
1060                 const struct pci_device_id *id)
1061 {
1062         unsigned index = id->driver_data;
1063         struct Scsi_Host *shost;
1064         struct aac_dev *aac;
1065         struct list_head *insert = &aac_devices;
1066         int error = -ENODEV;
1067         int unique_id = 0;
1068
1069         list_for_each_entry(aac, &aac_devices, entry) {
1070                 if (aac->id > unique_id)
1071                         break;
1072                 insert = &aac->entry;
1073                 unique_id++;
1074         }
1075
1076         error = pci_enable_device(pdev);
1077         if (error)
1078                 goto out;
1079         error = -ENODEV;
1080
1081         if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1082                         pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1083                 goto out_disable_pdev;
1084         /*
1085          * If the quirk31 bit is set, the adapter needs adapter
1086          * to driver communication memory to be allocated below 2gig
1087          */
1088         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1089                 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1090                                 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1091                         goto out_disable_pdev;
1092
1093         pci_set_master(pdev);
1094
1095         shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1096         if (!shost)
1097                 goto out_disable_pdev;
1098
1099         shost->irq = pdev->irq;
1100         shost->base = pci_resource_start(pdev, 0);
1101         shost->unique_id = unique_id;
1102         shost->max_cmd_len = 16;
1103
1104         aac = (struct aac_dev *)shost->hostdata;
1105         aac->scsi_host_ptr = shost;
1106         aac->pdev = pdev;
1107         aac->name = aac_driver_template.name;
1108         aac->id = shost->unique_id;
1109         aac->cardtype =  index;
1110         INIT_LIST_HEAD(&aac->entry);
1111
1112         aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1113         if (!aac->fibs)
1114                 goto out_free_host;
1115         spin_lock_init(&aac->fib_lock);
1116
1117         /*
1118          *      Map in the registers from the adapter.
1119          */
1120         aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1121         if ((*aac_drivers[index].init)(aac))
1122                 goto out_unmap;
1123
1124         /*
1125          *      Start any kernel threads needed
1126          */
1127         aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1128         if (IS_ERR(aac->thread)) {
1129                 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1130                 error = PTR_ERR(aac->thread);
1131                 goto out_deinit;
1132         }
1133
1134         /*
1135          * If we had set a smaller DMA mask earlier, set it to 4gig
1136          * now since the adapter can dma data to at least a 4gig
1137          * address space.
1138          */
1139         if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1140                 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1141                         goto out_deinit;
1142
1143         aac->maximum_num_channels = aac_drivers[index].channels;
1144         error = aac_get_adapter_info(aac);
1145         if (error < 0)
1146                 goto out_deinit;
1147
1148         /*
1149          * Lets override negotiations and drop the maximum SG limit to 34
1150          */
1151         if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1152                         (shost->sg_tablesize > 34)) {
1153                 shost->sg_tablesize = 34;
1154                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1155         }
1156
1157         if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1158                         (shost->sg_tablesize > 17)) {
1159                 shost->sg_tablesize = 17;
1160                 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1161         }
1162
1163         error = pci_set_dma_max_seg_size(pdev,
1164                 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1165                         (shost->max_sectors << 9) : 65536);
1166         if (error)
1167                 goto out_deinit;
1168
1169         /*
1170          * Firmware printf works only with older firmware.
1171          */
1172         if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1173                 aac->printf_enabled = 1;
1174         else
1175                 aac->printf_enabled = 0;
1176
1177         /*
1178          * max channel will be the physical channels plus 1 virtual channel
1179          * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1180          * physical channels are address by their actual physical number+1
1181          */
1182         if (aac->nondasd_support || expose_physicals || aac->jbod)
1183                 shost->max_channel = aac->maximum_num_channels;
1184         else
1185                 shost->max_channel = 0;
1186
1187         aac_get_config_status(aac, 0);
1188         aac_get_containers(aac);
1189         list_add(&aac->entry, insert);
1190
1191         shost->max_id = aac->maximum_num_containers;
1192         if (shost->max_id < aac->maximum_num_physicals)
1193                 shost->max_id = aac->maximum_num_physicals;
1194         if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1195                 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1196         else
1197                 shost->this_id = shost->max_id;
1198
1199         /*
1200          * dmb - we may need to move the setting of these parms somewhere else once
1201          * we get a fib that can report the actual numbers
1202          */
1203         shost->max_lun = AAC_MAX_LUN;
1204
1205         pci_set_drvdata(pdev, shost);
1206
1207         error = scsi_add_host(shost, &pdev->dev);
1208         if (error)
1209                 goto out_deinit;
1210         scsi_scan_host(shost);
1211
1212         return 0;
1213
1214  out_deinit:
1215         __aac_shutdown(aac);
1216  out_unmap:
1217         aac_fib_map_free(aac);
1218         if (aac->comm_addr)
1219                 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1220                   aac->comm_phys);
1221         kfree(aac->queues);
1222         aac_adapter_ioremap(aac, 0);
1223         kfree(aac->fibs);
1224         kfree(aac->fsa_dev);
1225  out_free_host:
1226         scsi_host_put(shost);
1227  out_disable_pdev:
1228         pci_disable_device(pdev);
1229  out:
1230         return error;
1231 }
1232
1233 static void aac_shutdown(struct pci_dev *dev)
1234 {
1235         struct Scsi_Host *shost = pci_get_drvdata(dev);
1236         scsi_block_requests(shost);
1237         __aac_shutdown((struct aac_dev *)shost->hostdata);
1238 }
1239
1240 static void __devexit aac_remove_one(struct pci_dev *pdev)
1241 {
1242         struct Scsi_Host *shost = pci_get_drvdata(pdev);
1243         struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1244
1245         scsi_remove_host(shost);
1246
1247         __aac_shutdown(aac);
1248         aac_fib_map_free(aac);
1249         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1250                         aac->comm_phys);
1251         kfree(aac->queues);
1252
1253         aac_adapter_ioremap(aac, 0);
1254
1255         kfree(aac->fibs);
1256         kfree(aac->fsa_dev);
1257
1258         list_del(&aac->entry);
1259         scsi_host_put(shost);
1260         pci_disable_device(pdev);
1261         if (list_empty(&aac_devices)) {
1262                 unregister_chrdev(aac_cfg_major, "aac");
1263                 aac_cfg_major = -1;
1264         }
1265 }
1266
1267 static struct pci_driver aac_pci_driver = {
1268         .name           = AAC_DRIVERNAME,
1269         .id_table       = aac_pci_tbl,
1270         .probe          = aac_probe_one,
1271         .remove         = __devexit_p(aac_remove_one),
1272         .shutdown       = aac_shutdown,
1273 };
1274
1275 static int __init aac_init(void)
1276 {
1277         int error;
1278
1279         printk(KERN_INFO "Adaptec %s driver %s\n",
1280           AAC_DRIVERNAME, aac_driver_version);
1281
1282         error = pci_register_driver(&aac_pci_driver);
1283         if (error < 0)
1284                 return error;
1285
1286         aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1287         if (aac_cfg_major < 0) {
1288                 printk(KERN_WARNING
1289                         "aacraid: unable to register \"aac\" device.\n");
1290         }
1291
1292         return 0;
1293 }
1294
1295 static void __exit aac_exit(void)
1296 {
1297         if (aac_cfg_major > -1)
1298                 unregister_chrdev(aac_cfg_major, "aac");
1299         pci_unregister_driver(&aac_pci_driver);
1300 }
1301
1302 module_init(aac_init);
1303 module_exit(aac_exit);