linit.c revision fa195afe4ad3f6d85a9b7cc236ae85c05ca8db03
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 */
89static struct pci_device_id aac_pci_tbl[] = {
90	{ 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
91	{ 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
92	{ 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
93	{ 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
94	{ 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
95	{ 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
96	{ 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
97	{ 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
98	{ 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
99	{ 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
100	{ 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
101	{ 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
102	{ 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
103	{ 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
104	{ 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
105	{ 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
106
107	{ 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
108	{ 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
109	{ 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
110	{ 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
111	{ 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
112	{ 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
113	{ 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
114	{ 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
115	{ 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
116	{ 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
117	{ 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
118	{ 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
119	{ 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
120	{ 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
121	{ 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
122	{ 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
123	{ 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
124	{ 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
125	{ 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
126	{ 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
127	{ 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
128	{ 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
129	{ 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
130	{ 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
131	{ 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
132	{ 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
133	{ 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
134	{ 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
135	{ 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
136	{ 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
137	{ 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
138	{ 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
139	{ 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
140	{ 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
141	{ 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
142	{ 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
143	{ 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
144	{ 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
145
146	{ 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
147	{ 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
148	{ 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
149	{ 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
150	{ 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
151
152	{ 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
153	{ 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
154	{ 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
155	{ 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
156	{ 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
157	{ 0,}
158};
159MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
160
161/*
162 * dmb - For now we add the number of channels to this structure.
163 * In the future we should add a fib that reports the number of channels
164 * for the card.  At that time we can remove the channels from here
165 */
166static struct aac_driver_ident aac_drivers[] = {
167	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
168	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
169	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
170	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
171	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
172	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
173	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
174	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
175	{ aac_rx_init, "percraid", "DELL    ", "PERCRAID        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
176	{ aac_rx_init, "aacraid",  "ADAPTEC ", "catapult        ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
177	{ aac_rx_init, "aacraid",  "ADAPTEC ", "tomcat          ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
178	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2120S   ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },		      /* Adaptec 2120S (Crusader) */
179	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG },		      /* Adaptec 2200S (Vulcan) */
180	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 2200S   ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
181	{ aac_rx_init, "aacraid",  "Legend  ", "Legend S220     ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
182	{ aac_rx_init, "aacraid",  "Legend  ", "Legend S230     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
183
184	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3230S   ", 2 }, /* Adaptec 3230S (Harrier) */
185	{ aac_rx_init, "aacraid",  "ADAPTEC ", "Adaptec 3240S   ", 2 }, /* Adaptec 3240S (Tornado) */
186	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020ZCR     ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
187	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025ZCR     ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
188	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
189	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
190	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2820SA      ", 1 }, /* AAR-2820SA (Intruder) */
191	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2620SA      ", 1 }, /* AAR-2620SA (Intruder) */
192	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "AAR-2420SA      ", 1 }, /* AAR-2420SA (Intruder) */
193	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9024RO       ", 2 }, /* ICP9024RO (Lancer) */
194	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9014RO       ", 1 }, /* ICP9014RO (Lancer) */
195	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
196	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
197	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP5445AU       ", 1 }, /* ICP5445AU (Hurricane44) */
198	{ aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
199	{ aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
200	{ aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
201	{ NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
202	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
203	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
204	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2025SA       ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
205	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
206	{ aac_rx_init, "aacraid",  "DELL    ", "CERC SR2        ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
207	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
208	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
209	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2026ZCR     ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
210	{ aac_rx_init, "aacraid",  "ADAPTEC ", "AAR-2610SA      ", 1 }, /* SATA 6Ch (Bearcat) */
211	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
212	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005        ", 1 }, /* ASR-4005 */
213	{ aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
214	{ aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
215	{ aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
216	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000        ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
217	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
218	{ aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
219	{ aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-3800        ", 1 }, /* ASR-3800 (Hurricane44) */
220
221	{ aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
222	{ aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
223	{ aac_sa_init, "aacraid",  "ADAPTEC ", "AAC-364         ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
224	{ aac_sa_init, "percraid", "DELL    ", "PERCRAID        ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
225	{ aac_sa_init, "hpnraid",  "HP      ", "NetRAID         ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
226
227	{ aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
228	{ aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
229	{ aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Catch All */
230	{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
231	{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
232};
233
234/**
235 *	aac_queuecommand	-	queue a SCSI command
236 *	@cmd:		SCSI command to queue
237 *	@done:		Function to call on command completion
238 *
239 *	Queues a command for execution by the associated Host Adapter.
240 *
241 *	TODO: unify with aac_scsi_cmd().
242 */
243
244static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
245{
246	struct Scsi_Host *host = cmd->device->host;
247	struct aac_dev *dev = (struct aac_dev *)host->hostdata;
248	u32 count = 0;
249	cmd->scsi_done = done;
250	for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
251		struct fib * fib = &dev->fibs[count];
252		struct scsi_cmnd * command;
253		if (fib->hw_fib_va->header.XferState &&
254		    ((command = fib->callback_data)) &&
255		    (command == cmd) &&
256		    (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
257			return 0; /* Already owned by Adapter */
258	}
259	cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
260	return (aac_scsi_cmd(cmd) ? FAILED : 0);
261}
262
263/**
264 *	aac_info		-	Returns the host adapter name
265 *	@shost:		Scsi host to report on
266 *
267 *	Returns a static string describing the device in question
268 */
269
270static const char *aac_info(struct Scsi_Host *shost)
271{
272	struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273	return aac_drivers[dev->cardtype].name;
274}
275
276/**
277 *	aac_get_driver_ident
278 *	@devtype: index into lookup table
279 *
280 *	Returns a pointer to the entry in the driver lookup table.
281 */
282
283struct aac_driver_ident* aac_get_driver_ident(int devtype)
284{
285	return &aac_drivers[devtype];
286}
287
288/**
289 *	aac_biosparm	-	return BIOS parameters for disk
290 *	@sdev: The scsi device corresponding to the disk
291 *	@bdev: the block device corresponding to the disk
292 *	@capacity: the sector capacity of the disk
293 *	@geom: geometry block to fill in
294 *
295 *	Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296 *	The default disk geometry is 64 heads, 32 sectors, and the appropriate
297 *	number of cylinders so as not to exceed drive capacity.  In order for
298 *	disks equal to or larger than 1 GB to be addressable by the BIOS
299 *	without exceeding the BIOS limitation of 1024 cylinders, Extended
300 *	Translation should be enabled.   With Extended Translation enabled,
301 *	drives between 1 GB inclusive and 2 GB exclusive are given a disk
302 *	geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303 *	are given a disk geometry of 255 heads and 63 sectors.  However, if
304 *	the BIOS detects that the Extended Translation setting does not match
305 *	the geometry in the partition table, then the translation inferred
306 *	from the partition table will be used by the BIOS, and a warning may
307 *	be displayed.
308 */
309
310static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311			sector_t capacity, int *geom)
312{
313	struct diskparm *param = (struct diskparm *)geom;
314	unsigned char *buf;
315
316	dprintk((KERN_DEBUG "aac_biosparm.\n"));
317
318	/*
319	 *	Assuming extended translation is enabled - #REVISIT#
320	 */
321	if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322		if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
323			param->heads = 255;
324			param->sectors = 63;
325		} else {
326			param->heads = 128;
327			param->sectors = 32;
328		}
329	} else {
330		param->heads = 64;
331		param->sectors = 32;
332	}
333
334	param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335
336	/*
337	 *	Read the first 1024 bytes from the disk device, if the boot
338	 *	sector partition table is valid, search for a partition table
339	 *	entry whose end_head matches one of the standard geometry
340	 *	translations ( 64/32, 128/32, 255/63 ).
341	 */
342	buf = scsi_bios_ptable(bdev);
343	if (!buf)
344		return 0;
345	if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346		struct partition *first = (struct partition * )buf;
347		struct partition *entry = first;
348		int saved_cylinders = param->cylinders;
349		int num;
350		unsigned char end_head, end_sec;
351
352		for(num = 0; num < 4; num++) {
353			end_head = entry->end_head;
354			end_sec = entry->end_sector & 0x3f;
355
356			if(end_head == 63) {
357				param->heads = 64;
358				param->sectors = 32;
359				break;
360			} else if(end_head == 127) {
361				param->heads = 128;
362				param->sectors = 32;
363				break;
364			} else if(end_head == 254) {
365				param->heads = 255;
366				param->sectors = 63;
367				break;
368			}
369			entry++;
370		}
371
372		if (num == 4) {
373			end_head = first->end_head;
374			end_sec = first->end_sector & 0x3f;
375		}
376
377		param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378		if (num < 4 && end_sec == param->sectors) {
379			if (param->cylinders != saved_cylinders)
380				dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381					param->heads, param->sectors, num));
382		} else if (end_head > 0 || end_sec > 0) {
383			dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384				end_head + 1, end_sec, num));
385			dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386					param->heads, param->sectors));
387		}
388	}
389	kfree(buf);
390	return 0;
391}
392
393/**
394 *	aac_slave_configure		-	compute queue depths
395 *	@sdev:	SCSI device we are considering
396 *
397 *	Selects queue depths for each target device based on the host adapter's
398 *	total capacity and the queue depth supported by the target device.
399 *	A queue depth of one automatically disables tagged queueing.
400 */
401
402static int aac_slave_configure(struct scsi_device *sdev)
403{
404	struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
405	if (aac->jbod && (sdev->type == TYPE_DISK))
406		sdev->removable = 1;
407	if ((sdev->type == TYPE_DISK) &&
408			(sdev_channel(sdev) != CONTAINER_CHANNEL) &&
409			(!aac->jbod || sdev->inq_periph_qual) &&
410			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
411		if (expose_physicals == 0)
412			return -ENXIO;
413		if (expose_physicals < 0)
414			sdev->no_uld_attach = 1;
415	}
416	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
417			(!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
418			!sdev->no_uld_attach) {
419		struct scsi_device * dev;
420		struct Scsi_Host *host = sdev->host;
421		unsigned num_lsu = 0;
422		unsigned num_one = 0;
423		unsigned depth;
424		unsigned cid;
425
426		/*
427		 * Firmware has an individual device recovery time typically
428		 * of 35 seconds, give us a margin.
429		 */
430		if (sdev->request_queue->rq_timeout < (45 * HZ))
431			blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
432		for (cid = 0; cid < aac->maximum_num_containers; ++cid)
433			if (aac->fsa_dev[cid].valid)
434				++num_lsu;
435		__shost_for_each_device(dev, host) {
436			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
437					(!aac->raid_scsi_mode ||
438						(sdev_channel(sdev) != 2)) &&
439					!dev->no_uld_attach) {
440				if ((sdev_channel(dev) != CONTAINER_CHANNEL)
441				 || !aac->fsa_dev[sdev_id(dev)].valid)
442					++num_lsu;
443			} else
444				++num_one;
445		}
446		if (num_lsu == 0)
447			++num_lsu;
448		depth = (host->can_queue - num_one) / num_lsu;
449		if (depth > 256)
450			depth = 256;
451		else if (depth < 2)
452			depth = 2;
453		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
454	} else
455		scsi_adjust_queue_depth(sdev, 0, 1);
456
457	return 0;
458}
459
460/**
461 *	aac_change_queue_depth		-	alter queue depths
462 *	@sdev:	SCSI device we are considering
463 *	@depth:	desired queue depth
464 *
465 *	Alters queue depths for target device based on the host adapter's
466 *	total capacity and the queue depth supported by the target device.
467 */
468
469static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
470{
471	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
472	    (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
473		struct scsi_device * dev;
474		struct Scsi_Host *host = sdev->host;
475		unsigned num = 0;
476
477		__shost_for_each_device(dev, host) {
478			if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
479			    (sdev_channel(dev) == CONTAINER_CHANNEL))
480				++num;
481			++num;
482		}
483		if (num >= host->can_queue)
484			num = host->can_queue - 1;
485		if (depth > (host->can_queue - num))
486			depth = host->can_queue - num;
487		if (depth > 256)
488			depth = 256;
489		else if (depth < 2)
490			depth = 2;
491		scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
492	} else
493		scsi_adjust_queue_depth(sdev, 0, 1);
494	return sdev->queue_depth;
495}
496
497static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
498{
499	struct scsi_device *sdev = to_scsi_device(dev);
500	struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
501	if (sdev_channel(sdev) != CONTAINER_CHANNEL)
502		return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
503		  ? "Hidden\n" :
504		  ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
505	return snprintf(buf, PAGE_SIZE, "%s\n",
506	  get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
507}
508
509static struct device_attribute aac_raid_level_attr = {
510	.attr = {
511		.name = "level",
512		.mode = S_IRUGO,
513	},
514	.show = aac_show_raid_level
515};
516
517static struct device_attribute *aac_dev_attrs[] = {
518	&aac_raid_level_attr,
519	NULL,
520};
521
522static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
523{
524	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
525	if (!capable(CAP_SYS_RAWIO))
526		return -EPERM;
527	return aac_do_ioctl(dev, cmd, arg);
528}
529
530static int aac_eh_abort(struct scsi_cmnd* cmd)
531{
532	struct scsi_device * dev = cmd->device;
533	struct Scsi_Host * host = dev->host;
534	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
535	int count;
536	int ret = FAILED;
537
538	printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
539		AAC_DRIVERNAME,
540		host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
541	switch (cmd->cmnd[0]) {
542	case SERVICE_ACTION_IN:
543		if (!(aac->raw_io_interface) ||
544		    !(aac->raw_io_64) ||
545		    ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
546			break;
547	case INQUIRY:
548	case READ_CAPACITY:
549		/* Mark associated FIB to not complete, eh handler does this */
550		for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
551			struct fib * fib = &aac->fibs[count];
552			if (fib->hw_fib_va->header.XferState &&
553			  (fib->flags & FIB_CONTEXT_FLAG) &&
554			  (fib->callback_data == cmd)) {
555				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
556				cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
557				ret = SUCCESS;
558			}
559		}
560		break;
561	case TEST_UNIT_READY:
562		/* Mark associated FIB to not complete, eh handler does this */
563		for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
564			struct scsi_cmnd * command;
565			struct fib * fib = &aac->fibs[count];
566			if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
567			  (fib->flags & FIB_CONTEXT_FLAG) &&
568			  ((command = fib->callback_data)) &&
569			  (command->device == cmd->device)) {
570				fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
571				command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
572				if (command == cmd)
573					ret = SUCCESS;
574			}
575		}
576	}
577	return ret;
578}
579
580/*
581 *	aac_eh_reset	- Reset command handling
582 *	@scsi_cmd:	SCSI command block causing the reset
583 *
584 */
585static int aac_eh_reset(struct scsi_cmnd* cmd)
586{
587	struct scsi_device * dev = cmd->device;
588	struct Scsi_Host * host = dev->host;
589	struct scsi_cmnd * command;
590	int count;
591	struct aac_dev * aac = (struct aac_dev *)host->hostdata;
592	unsigned long flags;
593
594	/* Mark the associated FIB to not complete, eh handler does this */
595	for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
596		struct fib * fib = &aac->fibs[count];
597		if (fib->hw_fib_va->header.XferState &&
598		  (fib->flags & FIB_CONTEXT_FLAG) &&
599		  (fib->callback_data == cmd)) {
600			fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
601			cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
602		}
603	}
604	printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
605					AAC_DRIVERNAME);
606
607	if ((count = aac_check_health(aac)))
608		return count;
609	/*
610	 * Wait for all commands to complete to this specific
611	 * target (block maximum 60 seconds).
612	 */
613	for (count = 60; count; --count) {
614		int active = aac->in_reset;
615
616		if (active == 0)
617		__shost_for_each_device(dev, host) {
618			spin_lock_irqsave(&dev->list_lock, flags);
619			list_for_each_entry(command, &dev->cmd_list, list) {
620				if ((command != cmd) &&
621				    (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
622					active++;
623					break;
624				}
625			}
626			spin_unlock_irqrestore(&dev->list_lock, flags);
627			if (active)
628				break;
629
630		}
631		/*
632		 * We can exit If all the commands are complete
633		 */
634		if (active == 0)
635			return SUCCESS;
636		ssleep(1);
637	}
638	printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
639	/*
640	 * This adapter needs a blind reset, only do so for Adapters that
641	 * support a register, instead of a commanded, reset.
642	 */
643	if ((aac->supplement_adapter_info.SupportedOptions2 &
644	   AAC_OPTION_MU_RESET) &&
645	  aac_check_reset &&
646	  ((aac_check_reset != 1) ||
647	   !(aac->supplement_adapter_info.SupportedOptions2 &
648	    AAC_OPTION_IGNORE_RESET)))
649		aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
650	return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
651}
652
653/**
654 *	aac_cfg_open		-	open a configuration file
655 *	@inode: inode being opened
656 *	@file: file handle attached
657 *
658 *	Called when the configuration device is opened. Does the needed
659 *	set up on the handle and then returns
660 *
661 *	Bugs: This needs extending to check a given adapter is present
662 *	so we can support hot plugging, and to ref count adapters.
663 */
664
665static int aac_cfg_open(struct inode *inode, struct file *file)
666{
667	struct aac_dev *aac;
668	unsigned minor_number = iminor(inode);
669	int err = -ENODEV;
670
671	lock_kernel();  /* BKL pushdown: nothing else protects this list */
672	list_for_each_entry(aac, &aac_devices, entry) {
673		if (aac->id == minor_number) {
674			file->private_data = aac;
675			err = 0;
676			break;
677		}
678	}
679	unlock_kernel();
680
681	return err;
682}
683
684/**
685 *	aac_cfg_ioctl		-	AAC configuration request
686 *	@inode: inode of device
687 *	@file: file handle
688 *	@cmd: ioctl command code
689 *	@arg: argument
690 *
691 *	Handles a configuration ioctl. Currently this involves wrapping it
692 *	up and feeding it into the nasty windowsalike glue layer.
693 *
694 *	Bugs: Needs locking against parallel ioctls lower down
695 *	Bugs: Needs to handle hot plugging
696 */
697
698static int aac_cfg_ioctl(struct inode *inode, struct file *file,
699		unsigned int cmd, unsigned long arg)
700{
701	if (!capable(CAP_SYS_RAWIO))
702		return -EPERM;
703	return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
704}
705
706#ifdef CONFIG_COMPAT
707static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
708{
709	long ret;
710	lock_kernel();
711	switch (cmd) {
712	case FSACTL_MINIPORT_REV_CHECK:
713	case FSACTL_SENDFIB:
714	case FSACTL_OPEN_GET_ADAPTER_FIB:
715	case FSACTL_CLOSE_GET_ADAPTER_FIB:
716	case FSACTL_SEND_RAW_SRB:
717	case FSACTL_GET_PCI_INFO:
718	case FSACTL_QUERY_DISK:
719	case FSACTL_DELETE_DISK:
720	case FSACTL_FORCE_DELETE_DISK:
721	case FSACTL_GET_CONTAINERS:
722	case FSACTL_SEND_LARGE_FIB:
723		ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
724		break;
725
726	case FSACTL_GET_NEXT_ADAPTER_FIB: {
727		struct fib_ioctl __user *f;
728
729		f = compat_alloc_user_space(sizeof(*f));
730		ret = 0;
731		if (clear_user(f, sizeof(*f)))
732			ret = -EFAULT;
733		if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
734			ret = -EFAULT;
735		if (!ret)
736			ret = aac_do_ioctl(dev, cmd, f);
737		break;
738	}
739
740	default:
741		ret = -ENOIOCTLCMD;
742		break;
743	}
744	unlock_kernel();
745	return ret;
746}
747
748static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
749{
750	struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
751	return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
752}
753
754static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
755{
756	if (!capable(CAP_SYS_RAWIO))
757		return -EPERM;
758	return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
759}
760#endif
761
762static ssize_t aac_show_model(struct device *device,
763			      struct device_attribute *attr, char *buf)
764{
765	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
766	int len;
767
768	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
769		char * cp = dev->supplement_adapter_info.AdapterTypeText;
770		while (*cp && *cp != ' ')
771			++cp;
772		while (*cp == ' ')
773			++cp;
774		len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
775	} else
776		len = snprintf(buf, PAGE_SIZE, "%s\n",
777		  aac_drivers[dev->cardtype].model);
778	return len;
779}
780
781static ssize_t aac_show_vendor(struct device *device,
782			       struct device_attribute *attr, char *buf)
783{
784	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
785	int len;
786
787	if (dev->supplement_adapter_info.AdapterTypeText[0]) {
788		char * cp = dev->supplement_adapter_info.AdapterTypeText;
789		while (*cp && *cp != ' ')
790			++cp;
791		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
792		  (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
793		  dev->supplement_adapter_info.AdapterTypeText);
794	} else
795		len = snprintf(buf, PAGE_SIZE, "%s\n",
796		  aac_drivers[dev->cardtype].vname);
797	return len;
798}
799
800static ssize_t aac_show_flags(struct device *cdev,
801			      struct device_attribute *attr, char *buf)
802{
803	int len = 0;
804	struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
805
806	if (nblank(dprintk(x)))
807		len = snprintf(buf, PAGE_SIZE, "dprintk\n");
808#ifdef AAC_DETAILED_STATUS_INFO
809	len += snprintf(buf + len, PAGE_SIZE - len,
810			"AAC_DETAILED_STATUS_INFO\n");
811#endif
812	if (dev->raw_io_interface && dev->raw_io_64)
813		len += snprintf(buf + len, PAGE_SIZE - len,
814				"SAI_READ_CAPACITY_16\n");
815	if (dev->jbod)
816		len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
817	if (dev->supplement_adapter_info.SupportedOptions2 &
818		AAC_OPTION_POWER_MANAGEMENT)
819		len += snprintf(buf + len, PAGE_SIZE - len,
820				"SUPPORTED_POWER_MANAGEMENT\n");
821	if (dev->msi)
822		len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
823	return len;
824}
825
826static ssize_t aac_show_kernel_version(struct device *device,
827				       struct device_attribute *attr,
828				       char *buf)
829{
830	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
831	int len, tmp;
832
833	tmp = le32_to_cpu(dev->adapter_info.kernelrev);
834	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
835	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
836	  le32_to_cpu(dev->adapter_info.kernelbuild));
837	return len;
838}
839
840static ssize_t aac_show_monitor_version(struct device *device,
841					struct device_attribute *attr,
842					char *buf)
843{
844	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
845	int len, tmp;
846
847	tmp = le32_to_cpu(dev->adapter_info.monitorrev);
848	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
849	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
850	  le32_to_cpu(dev->adapter_info.monitorbuild));
851	return len;
852}
853
854static ssize_t aac_show_bios_version(struct device *device,
855				     struct device_attribute *attr,
856				     char *buf)
857{
858	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
859	int len, tmp;
860
861	tmp = le32_to_cpu(dev->adapter_info.biosrev);
862	len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
863	  tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
864	  le32_to_cpu(dev->adapter_info.biosbuild));
865	return len;
866}
867
868static ssize_t aac_show_serial_number(struct device *device,
869			       struct device_attribute *attr, char *buf)
870{
871	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
872	int len = 0;
873
874	if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
875		len = snprintf(buf, PAGE_SIZE, "%06X\n",
876		  le32_to_cpu(dev->adapter_info.serial[0]));
877	if (len &&
878	  !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
879	    sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
880	  buf, len-1))
881		len = snprintf(buf, PAGE_SIZE, "%.*s\n",
882		  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
883		  dev->supplement_adapter_info.MfgPcbaSerialNo);
884	return len;
885}
886
887static ssize_t aac_show_max_channel(struct device *device,
888				    struct device_attribute *attr, char *buf)
889{
890	return snprintf(buf, PAGE_SIZE, "%d\n",
891	  class_to_shost(device)->max_channel);
892}
893
894static ssize_t aac_show_max_id(struct device *device,
895			       struct device_attribute *attr, char *buf)
896{
897	return snprintf(buf, PAGE_SIZE, "%d\n",
898	  class_to_shost(device)->max_id);
899}
900
901static ssize_t aac_store_reset_adapter(struct device *device,
902				       struct device_attribute *attr,
903				       const char *buf, size_t count)
904{
905	int retval = -EACCES;
906
907	if (!capable(CAP_SYS_ADMIN))
908		return retval;
909	retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
910	if (retval >= 0)
911		retval = count;
912	return retval;
913}
914
915static ssize_t aac_show_reset_adapter(struct device *device,
916				      struct device_attribute *attr,
917				      char *buf)
918{
919	struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
920	int len, tmp;
921
922	tmp = aac_adapter_check_health(dev);
923	if ((tmp == 0) && dev->in_reset)
924		tmp = -EBUSY;
925	len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
926	return len;
927}
928
929static struct device_attribute aac_model = {
930	.attr = {
931		.name = "model",
932		.mode = S_IRUGO,
933	},
934	.show = aac_show_model,
935};
936static struct device_attribute aac_vendor = {
937	.attr = {
938		.name = "vendor",
939		.mode = S_IRUGO,
940	},
941	.show = aac_show_vendor,
942};
943static struct device_attribute aac_flags = {
944	.attr = {
945		.name = "flags",
946		.mode = S_IRUGO,
947	},
948	.show = aac_show_flags,
949};
950static struct device_attribute aac_kernel_version = {
951	.attr = {
952		.name = "hba_kernel_version",
953		.mode = S_IRUGO,
954	},
955	.show = aac_show_kernel_version,
956};
957static struct device_attribute aac_monitor_version = {
958	.attr = {
959		.name = "hba_monitor_version",
960		.mode = S_IRUGO,
961	},
962	.show = aac_show_monitor_version,
963};
964static struct device_attribute aac_bios_version = {
965	.attr = {
966		.name = "hba_bios_version",
967		.mode = S_IRUGO,
968	},
969	.show = aac_show_bios_version,
970};
971static struct device_attribute aac_serial_number = {
972	.attr = {
973		.name = "serial_number",
974		.mode = S_IRUGO,
975	},
976	.show = aac_show_serial_number,
977};
978static struct device_attribute aac_max_channel = {
979	.attr = {
980		.name = "max_channel",
981		.mode = S_IRUGO,
982	},
983	.show = aac_show_max_channel,
984};
985static struct device_attribute aac_max_id = {
986	.attr = {
987		.name = "max_id",
988		.mode = S_IRUGO,
989	},
990	.show = aac_show_max_id,
991};
992static struct device_attribute aac_reset = {
993	.attr = {
994		.name = "reset_host",
995		.mode = S_IWUSR|S_IRUGO,
996	},
997	.store = aac_store_reset_adapter,
998	.show = aac_show_reset_adapter,
999};
1000
1001static struct device_attribute *aac_attrs[] = {
1002	&aac_model,
1003	&aac_vendor,
1004	&aac_flags,
1005	&aac_kernel_version,
1006	&aac_monitor_version,
1007	&aac_bios_version,
1008	&aac_serial_number,
1009	&aac_max_channel,
1010	&aac_max_id,
1011	&aac_reset,
1012	NULL
1013};
1014
1015ssize_t aac_get_serial_number(struct device *device, char *buf)
1016{
1017	return aac_show_serial_number(device, &aac_serial_number, buf);
1018}
1019
1020static const struct file_operations aac_cfg_fops = {
1021	.owner		= THIS_MODULE,
1022	.ioctl		= aac_cfg_ioctl,
1023#ifdef CONFIG_COMPAT
1024	.compat_ioctl   = aac_compat_cfg_ioctl,
1025#endif
1026	.open		= aac_cfg_open,
1027};
1028
1029static struct scsi_host_template aac_driver_template = {
1030	.module				= THIS_MODULE,
1031	.name				= "AAC",
1032	.proc_name			= AAC_DRIVERNAME,
1033	.info				= aac_info,
1034	.ioctl				= aac_ioctl,
1035#ifdef CONFIG_COMPAT
1036	.compat_ioctl			= aac_compat_ioctl,
1037#endif
1038	.queuecommand			= aac_queuecommand,
1039	.bios_param			= aac_biosparm,
1040	.shost_attrs			= aac_attrs,
1041	.slave_configure		= aac_slave_configure,
1042	.change_queue_depth		= aac_change_queue_depth,
1043	.sdev_attrs			= aac_dev_attrs,
1044	.eh_abort_handler		= aac_eh_abort,
1045	.eh_host_reset_handler		= aac_eh_reset,
1046	.can_queue			= AAC_NUM_IO_FIB,
1047	.this_id			= MAXIMUM_NUM_CONTAINERS,
1048	.sg_tablesize			= 16,
1049	.max_sectors			= 128,
1050#if (AAC_NUM_IO_FIB > 256)
1051	.cmd_per_lun			= 256,
1052#else
1053	.cmd_per_lun			= AAC_NUM_IO_FIB,
1054#endif
1055	.use_clustering			= ENABLE_CLUSTERING,
1056	.emulated			= 1,
1057};
1058
1059static void __aac_shutdown(struct aac_dev * aac)
1060{
1061	if (aac->aif_thread)
1062		kthread_stop(aac->thread);
1063	aac_send_shutdown(aac);
1064	aac_adapter_disable_int(aac);
1065	free_irq(aac->pdev->irq, aac);
1066	if (aac->msi)
1067		pci_disable_msi(aac->pdev);
1068}
1069
1070static int __devinit aac_probe_one(struct pci_dev *pdev,
1071		const struct pci_device_id *id)
1072{
1073	unsigned index = id->driver_data;
1074	struct Scsi_Host *shost;
1075	struct aac_dev *aac;
1076	struct list_head *insert = &aac_devices;
1077	int error = -ENODEV;
1078	int unique_id = 0;
1079
1080	list_for_each_entry(aac, &aac_devices, entry) {
1081		if (aac->id > unique_id)
1082			break;
1083		insert = &aac->entry;
1084		unique_id++;
1085	}
1086
1087	error = pci_enable_device(pdev);
1088	if (error)
1089		goto out;
1090	error = -ENODEV;
1091
1092	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
1093			pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
1094		goto out_disable_pdev;
1095	/*
1096	 * If the quirk31 bit is set, the adapter needs adapter
1097	 * to driver communication memory to be allocated below 2gig
1098	 */
1099	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1100		if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
1101				pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
1102			goto out_disable_pdev;
1103
1104	pci_set_master(pdev);
1105
1106	shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1107	if (!shost)
1108		goto out_disable_pdev;
1109
1110	shost->irq = pdev->irq;
1111	shost->base = pci_resource_start(pdev, 0);
1112	shost->unique_id = unique_id;
1113	shost->max_cmd_len = 16;
1114
1115	aac = (struct aac_dev *)shost->hostdata;
1116	aac->scsi_host_ptr = shost;
1117	aac->pdev = pdev;
1118	aac->name = aac_driver_template.name;
1119	aac->id = shost->unique_id;
1120	aac->cardtype = index;
1121	INIT_LIST_HEAD(&aac->entry);
1122
1123	aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1124	if (!aac->fibs)
1125		goto out_free_host;
1126	spin_lock_init(&aac->fib_lock);
1127
1128	/*
1129	 *	Map in the registers from the adapter.
1130	 */
1131	aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1132	if ((*aac_drivers[index].init)(aac))
1133		goto out_unmap;
1134
1135	/*
1136	 *	Start any kernel threads needed
1137	 */
1138	aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1139	if (IS_ERR(aac->thread)) {
1140		printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1141		error = PTR_ERR(aac->thread);
1142		goto out_deinit;
1143	}
1144
1145	/*
1146	 * If we had set a smaller DMA mask earlier, set it to 4gig
1147	 * now since the adapter can dma data to at least a 4gig
1148	 * address space.
1149	 */
1150	if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1151		if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
1152			goto out_deinit;
1153
1154	aac->maximum_num_channels = aac_drivers[index].channels;
1155	error = aac_get_adapter_info(aac);
1156	if (error < 0)
1157		goto out_deinit;
1158
1159	/*
1160	 * Lets override negotiations and drop the maximum SG limit to 34
1161	 */
1162	if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1163			(shost->sg_tablesize > 34)) {
1164		shost->sg_tablesize = 34;
1165		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1166	}
1167
1168	if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1169			(shost->sg_tablesize > 17)) {
1170		shost->sg_tablesize = 17;
1171		shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1172	}
1173
1174	error = pci_set_dma_max_seg_size(pdev,
1175		(aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1176			(shost->max_sectors << 9) : 65536);
1177	if (error)
1178		goto out_deinit;
1179
1180	/*
1181	 * Firmware printf works only with older firmware.
1182	 */
1183	if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1184		aac->printf_enabled = 1;
1185	else
1186		aac->printf_enabled = 0;
1187
1188	/*
1189	 * max channel will be the physical channels plus 1 virtual channel
1190	 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1191	 * physical channels are address by their actual physical number+1
1192	 */
1193	if (aac->nondasd_support || expose_physicals || aac->jbod)
1194		shost->max_channel = aac->maximum_num_channels;
1195	else
1196		shost->max_channel = 0;
1197
1198	aac_get_config_status(aac, 0);
1199	aac_get_containers(aac);
1200	list_add(&aac->entry, insert);
1201
1202	shost->max_id = aac->maximum_num_containers;
1203	if (shost->max_id < aac->maximum_num_physicals)
1204		shost->max_id = aac->maximum_num_physicals;
1205	if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1206		shost->max_id = MAXIMUM_NUM_CONTAINERS;
1207	else
1208		shost->this_id = shost->max_id;
1209
1210	/*
1211	 * dmb - we may need to move the setting of these parms somewhere else once
1212	 * we get a fib that can report the actual numbers
1213	 */
1214	shost->max_lun = AAC_MAX_LUN;
1215
1216	pci_set_drvdata(pdev, shost);
1217
1218	error = scsi_add_host(shost, &pdev->dev);
1219	if (error)
1220		goto out_deinit;
1221	scsi_scan_host(shost);
1222
1223	return 0;
1224
1225 out_deinit:
1226	__aac_shutdown(aac);
1227 out_unmap:
1228	aac_fib_map_free(aac);
1229	if (aac->comm_addr)
1230		pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1231		  aac->comm_phys);
1232	kfree(aac->queues);
1233	aac_adapter_ioremap(aac, 0);
1234	kfree(aac->fibs);
1235	kfree(aac->fsa_dev);
1236 out_free_host:
1237	scsi_host_put(shost);
1238 out_disable_pdev:
1239	pci_disable_device(pdev);
1240 out:
1241	return error;
1242}
1243
1244static void aac_shutdown(struct pci_dev *dev)
1245{
1246	struct Scsi_Host *shost = pci_get_drvdata(dev);
1247	scsi_block_requests(shost);
1248	__aac_shutdown((struct aac_dev *)shost->hostdata);
1249}
1250
1251static void __devexit aac_remove_one(struct pci_dev *pdev)
1252{
1253	struct Scsi_Host *shost = pci_get_drvdata(pdev);
1254	struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1255
1256	scsi_remove_host(shost);
1257
1258	__aac_shutdown(aac);
1259	aac_fib_map_free(aac);
1260	pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1261			aac->comm_phys);
1262	kfree(aac->queues);
1263
1264	aac_adapter_ioremap(aac, 0);
1265
1266	kfree(aac->fibs);
1267	kfree(aac->fsa_dev);
1268
1269	list_del(&aac->entry);
1270	scsi_host_put(shost);
1271	pci_disable_device(pdev);
1272	if (list_empty(&aac_devices)) {
1273		unregister_chrdev(aac_cfg_major, "aac");
1274		aac_cfg_major = -1;
1275	}
1276}
1277
1278static struct pci_driver aac_pci_driver = {
1279	.name		= AAC_DRIVERNAME,
1280	.id_table	= aac_pci_tbl,
1281	.probe		= aac_probe_one,
1282	.remove		= __devexit_p(aac_remove_one),
1283	.shutdown	= aac_shutdown,
1284};
1285
1286static int __init aac_init(void)
1287{
1288	int error;
1289
1290	printk(KERN_INFO "Adaptec %s driver %s\n",
1291	  AAC_DRIVERNAME, aac_driver_version);
1292
1293	error = pci_register_driver(&aac_pci_driver);
1294	if (error < 0)
1295		return error;
1296
1297	aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1298	if (aac_cfg_major < 0) {
1299		printk(KERN_WARNING
1300			"aacraid: unable to register \"aac\" device.\n");
1301	}
1302
1303	return 0;
1304}
1305
1306static void __exit aac_exit(void)
1307{
1308	if (aac_cfg_major > -1)
1309		unregister_chrdev(aac_cfg_major, "aac");
1310	pci_unregister_driver(&aac_pci_driver);
1311}
1312
1313module_init(aac_init);
1314module_exit(aac_exit);
1315