linit.c revision f4927c45beda9a70e5c3bda0bd9f12b4f713c00b
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
72MODULE_AUTHOR("Red Hat Inc and Adaptec");
73MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
74		   "Adaptec Advanced Raid Products, "
75		   "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
76MODULE_LICENSE("GPL");
77MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
78
79static LIST_HEAD(aac_devices);
80static int aac_cfg_major = -1;
81char 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
90static DECLARE_PCI_DEVICE_TABLE(aac_pci_tbl) = {
91#elif defined(__devinitconst)
92static const struct pci_device_id aac_pci_tbl[] __devinitconst = {
93#else
94static 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};
165MODULE_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 */
172static 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
250static 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
276static 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
289struct 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
316static 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
408static 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
475static int aac_change_queue_depth(struct scsi_device *sdev, int depth,
476				  int reason)
477{
478	if (reason != SCSI_QDEPTH_DEFAULT)
479		return -EOPNOTSUPP;
480
481	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
482	    (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
483		struct scsi_device * dev;
484		struct Scsi_Host *host = sdev->host;
485		unsigned num = 0;
486
487		__shost_for_each_device(dev, host) {
488			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
489			    (sdev_channel(dev) == CONTAINER_CHANNEL))
490				++num;
491			++num;
492		}
493		if (num >= host->can_queue)
494			num = host->can_queue - 1;
495		if (depth > (host->can_queue - num))
496			depth = host->can_queue - num;
497		if (depth > 256)
498			depth = 256;
499		else if (depth < 2)
500			depth = 2;
501		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
502	} else
503		scsi_adjust_queue_depth(sdev, 0, 1);
504	return sdev->queue_depth;
505}
506
507static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
508{
509	struct scsi_device *sdev = to_scsi_device(dev);
510	struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
511	if (sdev_channel(sdev) != CONTAINER_CHANNEL)
512		return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
513		  ? "Hidden\n" :
514		  ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
515	return snprintf(buf, PAGE_SIZE, "%s\n",
516	  get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
517}
518
519static struct device_attribute aac_raid_level_attr = {
520	.attr = {
521		.name = "level",
522		.mode = S_IRUGO,
523	},
524	.show = aac_show_raid_level
525};
526
527static struct device_attribute *aac_dev_attrs[] = {
528	&aac_raid_level_attr,
529	NULL,
530};
531
532static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
533{
534	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
535	if (!capable(CAP_SYS_RAWIO))
536		return -EPERM;
537	return aac_do_ioctl(dev, cmd, arg);
538}
539
540static int aac_eh_abort(struct scsi_cmnd* cmd)
541{
542	struct scsi_device * dev = cmd->device;
543	struct Scsi_Host * host = dev->host;
544	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
545	int count;
546	int ret = FAILED;
547
548	printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
549		AAC_DRIVERNAME,
550		host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
551	switch (cmd->cmnd[0]) {
552	case SERVICE_ACTION_IN:
553		if (!(aac->raw_io_interface) ||
554		    !(aac->raw_io_64) ||
555		    ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
556			break;
557	case INQUIRY:
558	case READ_CAPACITY:
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 fib * fib = &aac->fibs[count];
562			if (fib->hw_fib_va->header.XferState &&
563			  (fib->flags & FIB_CONTEXT_FLAG) &&
564			  (fib->callback_data == cmd)) {
565				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
566				cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
567				ret = SUCCESS;
568			}
569		}
570		break;
571	case TEST_UNIT_READY:
572		/* Mark associated FIB to not complete, eh handler does this */
573		for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
574			struct scsi_cmnd * command;
575			struct fib * fib = &aac->fibs[count];
576			if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
577			  (fib->flags & FIB_CONTEXT_FLAG) &&
578			  ((command = fib->callback_data)) &&
579			  (command->device == cmd->device)) {
580				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
581				command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
582				if (command == cmd)
583					ret = SUCCESS;
584			}
585		}
586	}
587	return ret;
588}
589
590/*
591 *	aac_eh_reset	- Reset command handling
592 *	@scsi_cmd:	SCSI command block causing the reset
593 *
594 */
595static int aac_eh_reset(struct scsi_cmnd* cmd)
596{
597	struct scsi_device * dev = cmd->device;
598	struct Scsi_Host * host = dev->host;
599	struct scsi_cmnd * command;
600	int count;
601	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
602	unsigned long flags;
603
604	/* Mark the associated FIB to not complete, eh handler does this */
605	for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
606		struct fib * fib = &aac->fibs[count];
607		if (fib->hw_fib_va->header.XferState &&
608		  (fib->flags & FIB_CONTEXT_FLAG) &&
609		  (fib->callback_data == cmd)) {
610			fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
611			cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
612		}
613	}
614	printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
615					AAC_DRIVERNAME);
616
617	if ((count = aac_check_health(aac)))
618		return count;
619	/*
620	 * Wait for all commands to complete to this specific
621	 * target (block maximum 60 seconds).
622	 */
623	for (count = 60; count; --count) {
624		int active = aac->in_reset;
625
626		if (active == 0)
627		__shost_for_each_device(dev, host) {
628			spin_lock_irqsave(&dev->list_lock, flags);
629			list_for_each_entry(command, &dev->cmd_list, list) {
630				if ((command != cmd) &&
631				    (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
632					active++;
633					break;
634				}
635			}
636			spin_unlock_irqrestore(&dev->list_lock, flags);
637			if (active)
638				break;
639
640		}
641		/*
642		 * We can exit If all the commands are complete
643		 */
644		if (active == 0)
645			return SUCCESS;
646		ssleep(1);
647	}
648	printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
649	/*
650	 * This adapter needs a blind reset, only do so for Adapters that
651	 * support a register, instead of a commanded, reset.
652	 */
653	if ((aac->supplement_adapter_info.SupportedOptions2 &
654	   AAC_OPTION_MU_RESET) &&
655	  aac_check_reset &&
656	  ((aac_check_reset != 1) ||
657	   !(aac->supplement_adapter_info.SupportedOptions2 &
658	    AAC_OPTION_IGNORE_RESET)))
659		aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
660	return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
661}
662
663/**
664 *	aac_cfg_open		-	open a configuration file
665 *	@inode: inode being opened
666 *	@file: file handle attached
667 *
668 *	Called when the configuration device is opened. Does the needed
669 *	set up on the handle and then returns
670 *
671 *	Bugs: This needs extending to check a given adapter is present
672 *	so we can support hot plugging, and to ref count adapters.
673 */
674
675static int aac_cfg_open(struct inode *inode, struct file *file)
676{
677	struct aac_dev *aac;
678	unsigned minor_number = iminor(inode);
679	int err = -ENODEV;
680
681	lock_kernel();  /* BKL pushdown: nothing else protects this list */
682	list_for_each_entry(aac, &aac_devices, entry) {
683		if (aac->id == minor_number) {
684			file->private_data = aac;
685			err = 0;
686			break;
687		}
688	}
689	unlock_kernel();
690
691	return err;
692}
693
694/**
695 *	aac_cfg_ioctl		-	AAC configuration request
696 *	@inode: inode of device
697 *	@file: file handle
698 *	@cmd: ioctl command code
699 *	@arg: argument
700 *
701 *	Handles a configuration ioctl. Currently this involves wrapping it
702 *	up and feeding it into the nasty windowsalike glue layer.
703 *
704 *	Bugs: Needs locking against parallel ioctls lower down
705 *	Bugs: Needs to handle hot plugging
706 */
707
708static long aac_cfg_ioctl(struct file *file,
709		unsigned int cmd, unsigned long arg)
710{
711	int ret;
712	if (!capable(CAP_SYS_RAWIO))
713		return -EPERM;
714	lock_kernel();
715	ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
716	unlock_kernel();
717
718	return ret;
719}
720
721#ifdef CONFIG_COMPAT
722static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
723{
724	long ret;
725	lock_kernel();
726	switch (cmd) {
727	case FSACTL_MINIPORT_REV_CHECK:
728	case FSACTL_SENDFIB:
729	case FSACTL_OPEN_GET_ADAPTER_FIB:
730	case FSACTL_CLOSE_GET_ADAPTER_FIB:
731	case FSACTL_SEND_RAW_SRB:
732	case FSACTL_GET_PCI_INFO:
733	case FSACTL_QUERY_DISK:
734	case FSACTL_DELETE_DISK:
735	case FSACTL_FORCE_DELETE_DISK:
736	case FSACTL_GET_CONTAINERS:
737	case FSACTL_SEND_LARGE_FIB:
738		ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
739		break;
740
741	case FSACTL_GET_NEXT_ADAPTER_FIB: {
742		struct fib_ioctl __user *f;
743
744		f = compat_alloc_user_space(sizeof(*f));
745		ret = 0;
746		if (clear_user(f, sizeof(*f)))
747			ret = -EFAULT;
748		if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
749			ret = -EFAULT;
750		if (!ret)
751			ret = aac_do_ioctl(dev, cmd, f);
752		break;
753	}
754
755	default:
756		ret = -ENOIOCTLCMD;
757		break;
758	}
759	unlock_kernel();
760	return ret;
761}
762
763static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
764{
765	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
766	return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
767}
768
769static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
770{
771	if (!capable(CAP_SYS_RAWIO))
772		return -EPERM;
773	return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
774}
775#endif
776
777static ssize_t aac_show_model(struct device *device,
778			      struct device_attribute *attr, char *buf)
779{
780	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
781	int len;
782
783	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
784		char * cp = dev->supplement_adapter_info.AdapterTypeText;
785		while (*cp && *cp != ' ')
786			++cp;
787		while (*cp == ' ')
788			++cp;
789		len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
790	} else
791		len = snprintf(buf, PAGE_SIZE, "%s\n",
792		  aac_drivers[dev->cardtype].model);
793	return len;
794}
795
796static ssize_t aac_show_vendor(struct device *device,
797			       struct device_attribute *attr, char *buf)
798{
799	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
800	int len;
801
802	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
803		char * cp = dev->supplement_adapter_info.AdapterTypeText;
804		while (*cp && *cp != ' ')
805			++cp;
806		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
807		  (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
808		  dev->supplement_adapter_info.AdapterTypeText);
809	} else
810		len = snprintf(buf, PAGE_SIZE, "%s\n",
811		  aac_drivers[dev->cardtype].vname);
812	return len;
813}
814
815static ssize_t aac_show_flags(struct device *cdev,
816			      struct device_attribute *attr, char *buf)
817{
818	int len = 0;
819	struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
820
821	if (nblank(dprintk(x)))
822		len = snprintf(buf, PAGE_SIZE, "dprintk\n");
823#ifdef AAC_DETAILED_STATUS_INFO
824	len += snprintf(buf + len, PAGE_SIZE - len,
825			"AAC_DETAILED_STATUS_INFO\n");
826#endif
827	if (dev->raw_io_interface && dev->raw_io_64)
828		len += snprintf(buf + len, PAGE_SIZE - len,
829				"SAI_READ_CAPACITY_16\n");
830	if (dev->jbod)
831		len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
832	if (dev->supplement_adapter_info.SupportedOptions2 &
833		AAC_OPTION_POWER_MANAGEMENT)
834		len += snprintf(buf + len, PAGE_SIZE - len,
835				"SUPPORTED_POWER_MANAGEMENT\n");
836	if (dev->msi)
837		len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
838	return len;
839}
840
841static ssize_t aac_show_kernel_version(struct device *device,
842				       struct device_attribute *attr,
843				       char *buf)
844{
845	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
846	int len, tmp;
847
848	tmp = le32_to_cpu(dev->adapter_info.kernelrev);
849	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
850	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
851	  le32_to_cpu(dev->adapter_info.kernelbuild));
852	return len;
853}
854
855static ssize_t aac_show_monitor_version(struct device *device,
856					struct device_attribute *attr,
857					char *buf)
858{
859	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
860	int len, tmp;
861
862	tmp = le32_to_cpu(dev->adapter_info.monitorrev);
863	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
864	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
865	  le32_to_cpu(dev->adapter_info.monitorbuild));
866	return len;
867}
868
869static ssize_t aac_show_bios_version(struct device *device,
870				     struct device_attribute *attr,
871				     char *buf)
872{
873	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
874	int len, tmp;
875
876	tmp = le32_to_cpu(dev->adapter_info.biosrev);
877	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
878	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
879	  le32_to_cpu(dev->adapter_info.biosbuild));
880	return len;
881}
882
883static ssize_t aac_show_serial_number(struct device *device,
884			       struct device_attribute *attr, char *buf)
885{
886	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
887	int len = 0;
888
889	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
890		len = snprintf(buf, PAGE_SIZE, "%06X\n",
891		  le32_to_cpu(dev->adapter_info.serial[0]));
892	if (len &&
893	  !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
894	    sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
895	  buf, len-1))
896		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
897		  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
898		  dev->supplement_adapter_info.MfgPcbaSerialNo);
899	return len;
900}
901
902static ssize_t aac_show_max_channel(struct device *device,
903				    struct device_attribute *attr, char *buf)
904{
905	return snprintf(buf, PAGE_SIZE, "%d\n",
906	  class_to_shost(device)->max_channel);
907}
908
909static ssize_t aac_show_max_id(struct device *device,
910			       struct device_attribute *attr, char *buf)
911{
912	return snprintf(buf, PAGE_SIZE, "%d\n",
913	  class_to_shost(device)->max_id);
914}
915
916static ssize_t aac_store_reset_adapter(struct device *device,
917				       struct device_attribute *attr,
918				       const char *buf, size_t count)
919{
920	int retval = -EACCES;
921
922	if (!capable(CAP_SYS_ADMIN))
923		return retval;
924	retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
925	if (retval >= 0)
926		retval = count;
927	return retval;
928}
929
930static ssize_t aac_show_reset_adapter(struct device *device,
931				      struct device_attribute *attr,
932				      char *buf)
933{
934	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
935	int len, tmp;
936
937	tmp = aac_adapter_check_health(dev);
938	if ((tmp == 0) && dev->in_reset)
939		tmp = -EBUSY;
940	len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
941	return len;
942}
943
944static struct device_attribute aac_model = {
945	.attr = {
946		.name = "model",
947		.mode = S_IRUGO,
948	},
949	.show = aac_show_model,
950};
951static struct device_attribute aac_vendor = {
952	.attr = {
953		.name = "vendor",
954		.mode = S_IRUGO,
955	},
956	.show = aac_show_vendor,
957};
958static struct device_attribute aac_flags = {
959	.attr = {
960		.name = "flags",
961		.mode = S_IRUGO,
962	},
963	.show = aac_show_flags,
964};
965static struct device_attribute aac_kernel_version = {
966	.attr = {
967		.name = "hba_kernel_version",
968		.mode = S_IRUGO,
969	},
970	.show = aac_show_kernel_version,
971};
972static struct device_attribute aac_monitor_version = {
973	.attr = {
974		.name = "hba_monitor_version",
975		.mode = S_IRUGO,
976	},
977	.show = aac_show_monitor_version,
978};
979static struct device_attribute aac_bios_version = {
980	.attr = {
981		.name = "hba_bios_version",
982		.mode = S_IRUGO,
983	},
984	.show = aac_show_bios_version,
985};
986static struct device_attribute aac_serial_number = {
987	.attr = {
988		.name = "serial_number",
989		.mode = S_IRUGO,
990	},
991	.show = aac_show_serial_number,
992};
993static struct device_attribute aac_max_channel = {
994	.attr = {
995		.name = "max_channel",
996		.mode = S_IRUGO,
997	},
998	.show = aac_show_max_channel,
999};
1000static struct device_attribute aac_max_id = {
1001	.attr = {
1002		.name = "max_id",
1003		.mode = S_IRUGO,
1004	},
1005	.show = aac_show_max_id,
1006};
1007static struct device_attribute aac_reset = {
1008	.attr = {
1009		.name = "reset_host",
1010		.mode = S_IWUSR|S_IRUGO,
1011	},
1012	.store = aac_store_reset_adapter,
1013	.show = aac_show_reset_adapter,
1014};
1015
1016static struct device_attribute *aac_attrs[] = {
1017	&aac_model,
1018	&aac_vendor,
1019	&aac_flags,
1020	&aac_kernel_version,
1021	&aac_monitor_version,
1022	&aac_bios_version,
1023	&aac_serial_number,
1024	&aac_max_channel,
1025	&aac_max_id,
1026	&aac_reset,
1027	NULL
1028};
1029
1030ssize_t aac_get_serial_number(struct device *device, char *buf)
1031{
1032	return aac_show_serial_number(device, &aac_serial_number, buf);
1033}
1034
1035static const struct file_operations aac_cfg_fops = {
1036	.owner		= THIS_MODULE,
1037	.unlocked_ioctl	= aac_cfg_ioctl,
1038#ifdef CONFIG_COMPAT
1039	.compat_ioctl   = aac_compat_cfg_ioctl,
1040#endif
1041	.open		= aac_cfg_open,
1042};
1043
1044static struct scsi_host_template aac_driver_template = {
1045	.module				= THIS_MODULE,
1046	.name				= "AAC",
1047	.proc_name			= AAC_DRIVERNAME,
1048	.info				= aac_info,
1049	.ioctl				= aac_ioctl,
1050#ifdef CONFIG_COMPAT
1051	.compat_ioctl			= aac_compat_ioctl,
1052#endif
1053	.queuecommand			= aac_queuecommand,
1054	.bios_param			= aac_biosparm,
1055	.shost_attrs			= aac_attrs,
1056	.slave_configure		= aac_slave_configure,
1057	.change_queue_depth		= aac_change_queue_depth,
1058	.sdev_attrs			= aac_dev_attrs,
1059	.eh_abort_handler		= aac_eh_abort,
1060	.eh_host_reset_handler		= aac_eh_reset,
1061	.can_queue			= AAC_NUM_IO_FIB,
1062	.this_id			= MAXIMUM_NUM_CONTAINERS,
1063	.sg_tablesize			= 16,
1064	.max_sectors			= 128,
1065#if (AAC_NUM_IO_FIB > 256)
1066	.cmd_per_lun			= 256,
1067#else
1068	.cmd_per_lun			= AAC_NUM_IO_FIB,
1069#endif
1070	.use_clustering			= ENABLE_CLUSTERING,
1071	.emulated			= 1,
1072};
1073
1074static void __aac_shutdown(struct aac_dev * aac)
1075{
1076	if (aac->aif_thread)
1077		kthread_stop(aac->thread);
1078	aac_send_shutdown(aac);
1079	aac_adapter_disable_int(aac);
1080	free_irq(aac->pdev->irq, aac);
1081	if (aac->msi)
1082		pci_disable_msi(aac->pdev);
1083}
1084
1085static int __devinit aac_probe_one(struct pci_dev *pdev,
1086		const struct pci_device_id *id)
1087{
1088	unsigned index = id->driver_data;
1089	struct Scsi_Host *shost;
1090	struct aac_dev *aac;
1091	struct list_head *insert = &aac_devices;
1092	int error = -ENODEV;
1093	int unique_id = 0;
1094
1095	list_for_each_entry(aac, &aac_devices, entry) {
1096		if (aac->id > unique_id)
1097			break;
1098		insert = &aac->entry;
1099		unique_id++;
1100	}
1101
1102	error = pci_enable_device(pdev);
1103	if (error)
1104		goto out;
1105	error = -ENODEV;
1106
1107	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) ||
1108			pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1109		goto out_disable_pdev;
1110	/*
1111	 * If the quirk31 bit is set, the adapter needs adapter
1112	 * to driver communication memory to be allocated below 2gig
1113	 */
1114	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1115		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(31)) ||
1116				pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(31)))
1117			goto out_disable_pdev;
1118
1119	pci_set_master(pdev);
1120
1121	shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1122	if (!shost)
1123		goto out_disable_pdev;
1124
1125	shost->irq = pdev->irq;
1126	shost->base = pci_resource_start(pdev, 0);
1127	shost->unique_id = unique_id;
1128	shost->max_cmd_len = 16;
1129
1130	aac = (struct aac_dev *)shost->hostdata;
1131	aac->scsi_host_ptr = shost;
1132	aac->pdev = pdev;
1133	aac->name = aac_driver_template.name;
1134	aac->id = shost->unique_id;
1135	aac->cardtype = index;
1136	INIT_LIST_HEAD(&aac->entry);
1137
1138	aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1139	if (!aac->fibs)
1140		goto out_free_host;
1141	spin_lock_init(&aac->fib_lock);
1142
1143	/*
1144	 *	Map in the registers from the adapter.
1145	 */
1146	aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1147	if ((*aac_drivers[index].init)(aac))
1148		goto out_unmap;
1149
1150	/*
1151	 *	Start any kernel threads needed
1152	 */
1153	aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1154	if (IS_ERR(aac->thread)) {
1155		printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1156		error = PTR_ERR(aac->thread);
1157		goto out_deinit;
1158	}
1159
1160	/*
1161	 * If we had set a smaller DMA mask earlier, set it to 4gig
1162	 * now since the adapter can dma data to at least a 4gig
1163	 * address space.
1164	 */
1165	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1166		if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1167			goto out_deinit;
1168
1169	aac->maximum_num_channels = aac_drivers[index].channels;
1170	error = aac_get_adapter_info(aac);
1171	if (error < 0)
1172		goto out_deinit;
1173
1174	/*
1175	 * Lets override negotiations and drop the maximum SG limit to 34
1176	 */
1177	if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1178			(shost->sg_tablesize > 34)) {
1179		shost->sg_tablesize = 34;
1180		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1181	}
1182
1183	if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1184			(shost->sg_tablesize > 17)) {
1185		shost->sg_tablesize = 17;
1186		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1187	}
1188
1189	error = pci_set_dma_max_seg_size(pdev,
1190		(aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1191			(shost->max_sectors << 9) : 65536);
1192	if (error)
1193		goto out_deinit;
1194
1195	/*
1196	 * Firmware printf works only with older firmware.
1197	 */
1198	if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1199		aac->printf_enabled = 1;
1200	else
1201		aac->printf_enabled = 0;
1202
1203	/*
1204	 * max channel will be the physical channels plus 1 virtual channel
1205	 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1206	 * physical channels are address by their actual physical number+1
1207	 */
1208	if (aac->nondasd_support || expose_physicals || aac->jbod)
1209		shost->max_channel = aac->maximum_num_channels;
1210	else
1211		shost->max_channel = 0;
1212
1213	aac_get_config_status(aac, 0);
1214	aac_get_containers(aac);
1215	list_add(&aac->entry, insert);
1216
1217	shost->max_id = aac->maximum_num_containers;
1218	if (shost->max_id < aac->maximum_num_physicals)
1219		shost->max_id = aac->maximum_num_physicals;
1220	if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1221		shost->max_id = MAXIMUM_NUM_CONTAINERS;
1222	else
1223		shost->this_id = shost->max_id;
1224
1225	/*
1226	 * dmb - we may need to move the setting of these parms somewhere else once
1227	 * we get a fib that can report the actual numbers
1228	 */
1229	shost->max_lun = AAC_MAX_LUN;
1230
1231	pci_set_drvdata(pdev, shost);
1232
1233	error = scsi_add_host(shost, &pdev->dev);
1234	if (error)
1235		goto out_deinit;
1236	scsi_scan_host(shost);
1237
1238	return 0;
1239
1240 out_deinit:
1241	__aac_shutdown(aac);
1242 out_unmap:
1243	aac_fib_map_free(aac);
1244	if (aac->comm_addr)
1245		pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1246		  aac->comm_phys);
1247	kfree(aac->queues);
1248	aac_adapter_ioremap(aac, 0);
1249	kfree(aac->fibs);
1250	kfree(aac->fsa_dev);
1251 out_free_host:
1252	scsi_host_put(shost);
1253 out_disable_pdev:
1254	pci_disable_device(pdev);
1255 out:
1256	return error;
1257}
1258
1259static void aac_shutdown(struct pci_dev *dev)
1260{
1261	struct Scsi_Host *shost = pci_get_drvdata(dev);
1262	scsi_block_requests(shost);
1263	__aac_shutdown((struct aac_dev *)shost->hostdata);
1264}
1265
1266static void __devexit aac_remove_one(struct pci_dev *pdev)
1267{
1268	struct Scsi_Host *shost = pci_get_drvdata(pdev);
1269	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1270
1271	scsi_remove_host(shost);
1272
1273	__aac_shutdown(aac);
1274	aac_fib_map_free(aac);
1275	pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1276			aac->comm_phys);
1277	kfree(aac->queues);
1278
1279	aac_adapter_ioremap(aac, 0);
1280
1281	kfree(aac->fibs);
1282	kfree(aac->fsa_dev);
1283
1284	list_del(&aac->entry);
1285	scsi_host_put(shost);
1286	pci_disable_device(pdev);
1287	if (list_empty(&aac_devices)) {
1288		unregister_chrdev(aac_cfg_major, "aac");
1289		aac_cfg_major = -1;
1290	}
1291}
1292
1293static struct pci_driver aac_pci_driver = {
1294	.name		= AAC_DRIVERNAME,
1295	.id_table	= aac_pci_tbl,
1296	.probe		= aac_probe_one,
1297	.remove		= __devexit_p(aac_remove_one),
1298	.shutdown	= aac_shutdown,
1299};
1300
1301static int __init aac_init(void)
1302{
1303	int error;
1304
1305	printk(KERN_INFO "Adaptec %s driver %s\n",
1306	  AAC_DRIVERNAME, aac_driver_version);
1307
1308	error = pci_register_driver(&aac_pci_driver);
1309	if (error < 0)
1310		return error;
1311
1312	aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1313	if (aac_cfg_major < 0) {
1314		printk(KERN_WARNING
1315			"aacraid: unable to register \"aac\" device.\n");
1316	}
1317
1318	return 0;
1319}
1320
1321static void __exit aac_exit(void)
1322{
1323	if (aac_cfg_major > -1)
1324		unregister_chrdev(aac_cfg_major, "aac");
1325	pci_unregister_driver(&aac_pci_driver);
1326}
1327
1328module_init(aac_init);
1329module_exit(aac_exit);
1330