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[SCSI] aacraid: rework packet support code
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / aacraid / linit.c
CommitLineData
1da177e4
LT		 1/*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc. <alan@redhat.com>
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000 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
1da177e4
LT		 30
31#include <linux/compat.h>
32#include <linux/blkdev.h>
33#include <linux/completion.h>
34#include <linux/init.h>
35#include <linux/interrupt.h>
36#include <linux/kernel.h>
37#include <linux/module.h>
38#include <linux/moduleparam.h>
39#include <linux/pci.h>
40#include <linux/slab.h>
41#include <linux/spinlock.h>
910638ae 42#include <linux/dma-mapping.h>
1da177e4 43#include <linux/syscalls.h>
1da177e4
LT		 44#include <linux/delay.h>
45#include <linux/smp_lock.h>
fe27381d 46#include <linux/kthread.h>
1da177e4
LT		 47#include <asm/semaphore.h>
48
49#include <scsi/scsi.h>
50#include <scsi/scsi_cmnd.h>
51#include <scsi/scsi_device.h>
52#include <scsi/scsi_host.h>
53#include <scsi/scsi_tcq.h>
54#include <scsi/scsicam.h>
55#include <scsi/scsi_eh.h>
56
57#include "aacraid.h"
58
9a72f976
MH		 59#define AAC_DRIVER_VERSION "1.1-5"
60#ifndef AAC_DRIVER_BRANCH
61#define AAC_DRIVER_BRANCH ""
62#endif
63#define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
64#define AAC_DRIVERNAME "aacraid"
65
c7f47602
MH		 66#ifdef AAC_DRIVER_BUILD
67#define _str(x) #x
68#define str(x) _str(x)
69#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
70#else
71#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
72#endif
1da177e4
LT		 73
74MODULE_AUTHOR("Red Hat Inc and Adaptec");
75MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
76 "Adaptec Advanced Raid Products, "
1241f359 77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
1da177e4 78MODULE_LICENSE("GPL");
c7f47602 79MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
1da177e4
LT		 80
81static LIST_HEAD(aac_devices);
82static int aac_cfg_major = -1;
c7f47602 83char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
1da177e4 84
653ba58d
MH		 85extern int expose_physicals;
86
1da177e4
LT		 87/*
88 * Because of the way Linux names scsi devices, the order in this table has
89 * become important. Check for on-board Raid first, add-in cards second.
90 *
91 * Note: The last field is used to index into aac_drivers below.
92 */
93static struct pci_device_id aac_pci_tbl[] = {
94 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
95 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
96 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
97 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
98 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
99 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
100 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
101 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
102 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
103 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
104 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
105 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
106 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
107 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
108 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
109 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
110
111 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
112 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
113 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
114 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
115 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
116 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
117 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
118 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
119 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
84971738
MH		 120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
75c3628d 124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
84971738
MH		 125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
8e87c2f1
MH		 127 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
128 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
129 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
130 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
131 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
132 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
133 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
134 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
135 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
136 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
137 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
138 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
139 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005SAS */
141 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
142 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
143 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
144 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000SAS (BlackBird) */
146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
75c3628d 148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800SAS (Hurricane44) */
84971738 149
8e87c2f1
MH		 150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
84971738 155
8e87c2f1
MH		 156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
239eab19 160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
1da177e4
LT		 161 { 0,}
162};
163MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
164
165/*
166 * dmb - For now we add the number of channels to this structure.
167 * In the future we should add a fib that reports the number of channels
168 * for the card. At that time we can remove the channels from here
169 */
170static struct aac_driver_ident aac_drivers[] = {
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
185 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
186 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
187
188 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
190 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
193 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
84971738
MH		 197 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */
198 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
75c3628d 201 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
8e87c2f1
MH		 202 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
203 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
84971738 205 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 206 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
207 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
208 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
db39363c
MH		 209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
210 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
1da177e4
LT		 213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */
84971738 217 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 218 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
219 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
1da177e4
LT		 220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
221 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
75c3628d 223 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800SAS ", 1 }, /* ASR-3800SAS (Hurricane44) */
1da177e4
LT		 224
225 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
226 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
227 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
228 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
229 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
230
231 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
232 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
233 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
239eab19
MH		 234 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
235 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
1da177e4
LT		 236};
237
238/**
239 * aac_queuecommand - queue a SCSI command
240 * @cmd: SCSI command to queue
241 * @done: Function to call on command completion
242 *
243 * Queues a command for execution by the associated Host Adapter.
244 *
245 * TODO: unify with aac_scsi_cmd().
246 */
247
248static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
249{
250 cmd->scsi_done = done;
77d644d4 251 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
1da177e4
LT		 252 return (aac_scsi_cmd(cmd) ? FAILED : 0);
253}
254
255/**
256 * aac_info - Returns the host adapter name
257 * @shost: Scsi host to report on
258 *
259 * Returns a static string describing the device in question
260 */
261
4833869e 262static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 263{
264 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
265 return aac_drivers[dev->cardtype].name;
266}
267
268/**
269 * aac_get_driver_ident
270 * @devtype: index into lookup table
271 *
272 * Returns a pointer to the entry in the driver lookup table.
273 */
274
275struct aac_driver_ident* aac_get_driver_ident(int devtype)
276{
277 return &aac_drivers[devtype];
278}
279
280/**
281 * aac_biosparm - return BIOS parameters for disk
282 * @sdev: The scsi device corresponding to the disk
283 * @bdev: the block device corresponding to the disk
284 * @capacity: the sector capacity of the disk
285 * @geom: geometry block to fill in
286 *
287 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
288 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
289 * number of cylinders so as not to exceed drive capacity. In order for
290 * disks equal to or larger than 1 GB to be addressable by the BIOS
291 * without exceeding the BIOS limitation of 1024 cylinders, Extended
292 * Translation should be enabled. With Extended Translation enabled,
293 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
294 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
295 * are given a disk geometry of 255 heads and 63 sectors. However, if
296 * the BIOS detects that the Extended Translation setting does not match
297 * the geometry in the partition table, then the translation inferred
298 * from the partition table will be used by the BIOS, and a warning may
299 * be displayed.
300 */
301
302static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
303 sector_t capacity, int *geom)
304{
305 struct diskparm *param = (struct diskparm *)geom;
306 unsigned char *buf;
307
308 dprintk((KERN_DEBUG "aac_biosparm.\n"));
309
310 /*
311 * Assuming extended translation is enabled - #REVISIT#
312 */
313 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
314 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
315 param->heads = 255;
316 param->sectors = 63;
317 } else {
318 param->heads = 128;
319 param->sectors = 32;
320 }
321 } else {
322 param->heads = 64;
323 param->sectors = 32;
324 }
325
326 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
327
328 /*
329 * Read the first 1024 bytes from the disk device, if the boot
330 * sector partition table is valid, search for a partition table
331 * entry whose end_head matches one of the standard geometry
332 * translations ( 64/32, 128/32, 255/63 ).
333 */
334 buf = scsi_bios_ptable(bdev);
8bdf810f
MH		 335 if (!buf)
336 return 0;
56b58712 337 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 338 struct partition *first = (struct partition * )buf;
339 struct partition *entry = first;
340 int saved_cylinders = param->cylinders;
341 int num;
342 unsigned char end_head, end_sec;
343
344 for(num = 0; num < 4; num++) {
345 end_head = entry->end_head;
346 end_sec = entry->end_sector & 0x3f;
347
348 if(end_head == 63) {
349 param->heads = 64;
350 param->sectors = 32;
351 break;
352 } else if(end_head == 127) {
353 param->heads = 128;
354 param->sectors = 32;
355 break;
356 } else if(end_head == 254) {
357 param->heads = 255;
358 param->sectors = 63;
359 break;
360 }
361 entry++;
362 }
363
364 if (num == 4) {
365 end_head = first->end_head;
366 end_sec = first->end_sector & 0x3f;
367 }
368
369 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
370 if (num < 4 && end_sec == param->sectors) {
371 if (param->cylinders != saved_cylinders)
372 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
373 param->heads, param->sectors, num));
374 } else if (end_head > 0 || end_sec > 0) {
375 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
376 end_head + 1, end_sec, num));
377 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
378 param->heads, param->sectors));
379 }
380 }
381 kfree(buf);
382 return 0;
383}
384
385/**
386 * aac_slave_configure - compute queue depths
387 * @sdev: SCSI device we are considering
388 *
389 * Selects queue depths for each target device based on the host adapter's
390 * total capacity and the queue depth supported by the target device.
391 * A queue depth of one automatically disables tagged queueing.
392 */
393
394static int aac_slave_configure(struct scsi_device *sdev)
395{
d8a57113
MH		 396 if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
397 sdev->skip_ms_page_8 = 1;
398 sdev->skip_ms_page_3f = 1;
399 }
bb08f92e 400 if ((sdev->type == TYPE_DISK) &&
653ba58d 401 !expose_physicals &&
bb08f92e
MH		 402 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
403 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
404 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
405 sdev->no_uld_attach = 1;
406 }
407 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
408 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
409 struct scsi_device * dev;
410 struct Scsi_Host *host = sdev->host;
411 unsigned num_lsu = 0;
412 unsigned num_one = 0;
413 unsigned depth;
7c00ffa3 414
bb08f92e
MH		 415 __shost_for_each_device(dev, host) {
416 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
417 (sdev_channel(dev) == CONTAINER_CHANNEL))
418 ++num_lsu;
419 else
420 ++num_one;
421 }
422 if (num_lsu == 0)
423 ++num_lsu;
424 depth = (host->can_queue - num_one) / num_lsu;
425 if (depth > 256)
426 depth = 256;
427 else if (depth < 2)
428 depth = 2;
429 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
430 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
431 AAC_OPT_NEW_COMM))
432 blk_queue_max_segment_size(sdev->request_queue, 65536);
433 } else
1da177e4 434 scsi_adjust_queue_depth(sdev, 0, 1);
7c00ffa3 435
1da177e4
LT		 436 return 0;
437}
438
439static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
440{
441 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
442 return aac_do_ioctl(dev, cmd, arg);
443}
444
1da177e4
LT		 445/*
446 * aac_eh_reset - Reset command handling
447 * @scsi_cmd: SCSI command block causing the reset
448 *
449 */
450static int aac_eh_reset(struct scsi_cmnd* cmd)
451{
452 struct scsi_device * dev = cmd->device;
453 struct Scsi_Host * host = dev->host;
454 struct scsi_cmnd * command;
455 int count;
456 struct aac_dev * aac;
457 unsigned long flags;
458
459 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
460 AAC_DRIVERNAME);
1da177e4 461 aac = (struct aac_dev *)host->hostdata;
8c867b25
MH		 462
463 if ((count = aac_check_health(aac)))
464 return count;
1da177e4
LT		 465 /*
466 * Wait for all commands to complete to this specific
467 * target (block maximum 60 seconds).
468 */
469 for (count = 60; count; --count) {
8c867b25
MH		 470 int active = aac->in_reset;
471
472 if (active == 0)
1da177e4
LT		 473 __shost_for_each_device(dev, host) {
474 spin_lock_irqsave(&dev->list_lock, flags);
475 list_for_each_entry(command, &dev->cmd_list, list) {
77d644d4
MH		 476 if ((command != cmd) &&
477 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
1da177e4
LT		 478 active++;
479 break;
480 }
481 }
482 spin_unlock_irqrestore(&dev->list_lock, flags);
483 if (active)
484 break;
485
486 }
487 /*
488 * We can exit If all the commands are complete
489 */
490 if (active == 0)
491 return SUCCESS;
1da177e4 492 ssleep(1);
1da177e4
LT		 493 }
494 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
495 return -ETIMEDOUT;
496}
497
498/**
499 * aac_cfg_open - open a configuration file
500 * @inode: inode being opened
501 * @file: file handle attached
502 *
503 * Called when the configuration device is opened. Does the needed
504 * set up on the handle and then returns
505 *
506 * Bugs: This needs extending to check a given adapter is present
507 * so we can support hot plugging, and to ref count adapters.
508 */
509
510static int aac_cfg_open(struct inode *inode, struct file *file)
511{
512 struct aac_dev *aac;
7c00ffa3 513 unsigned minor_number = iminor(inode);
1da177e4
LT		 514 int err = -ENODEV;
515
516 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 517 if (aac->id == minor_number) {
1da177e4
LT		 518 file->private_data = aac;
519 err = 0;
520 break;
521 }
522 }
523
036d6184 524 return err;
1da177e4
LT		 525}
526
527/**
528 * aac_cfg_ioctl - AAC configuration request
529 * @inode: inode of device
530 * @file: file handle
531 * @cmd: ioctl command code
532 * @arg: argument
533 *
534 * Handles a configuration ioctl. Currently this involves wrapping it
535 * up and feeding it into the nasty windowsalike glue layer.
536 *
537 * Bugs: Needs locking against parallel ioctls lower down
538 * Bugs: Needs to handle hot plugging
539 */
540
541static int aac_cfg_ioctl(struct inode *inode, struct file *file,
542 unsigned int cmd, unsigned long arg)
543{
544 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
545}
546
547#ifdef CONFIG_COMPAT
548static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
549{
550 long ret;
551 lock_kernel();
552 switch (cmd) {
553 case FSACTL_MINIPORT_REV_CHECK:
554 case FSACTL_SENDFIB:
555 case FSACTL_OPEN_GET_ADAPTER_FIB:
556 case FSACTL_CLOSE_GET_ADAPTER_FIB:
557 case FSACTL_SEND_RAW_SRB:
558 case FSACTL_GET_PCI_INFO:
559 case FSACTL_QUERY_DISK:
560 case FSACTL_DELETE_DISK:
561 case FSACTL_FORCE_DELETE_DISK:
562 case FSACTL_GET_CONTAINERS:
7c00ffa3 563 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 564 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
565 break;
566
567 case FSACTL_GET_NEXT_ADAPTER_FIB: {
568 struct fib_ioctl __user *f;
569
570 f = compat_alloc_user_space(sizeof(*f));
571 ret = 0;
821499a8 572 if (clear_user(f, sizeof(*f)))
1da177e4
LT		 573 ret = -EFAULT;
574 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
575 ret = -EFAULT;
576 if (!ret)
3d2f98a6 577 ret = aac_do_ioctl(dev, cmd, f);
1da177e4
LT		 578 break;
579 }
580
581 default:
582 ret = -ENOIOCTLCMD;
583 break;
584 }
585 unlock_kernel();
586 return ret;
587}
588
589static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
590{
591 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
592 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
593}
594
595static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
596{
597 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
598}
599#endif
600
0bb14afe
MH		 601static ssize_t aac_show_model(struct class_device *class_dev,
602 char *buf)
603{
604 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
605 int len;
606
7686f132
MH		 607 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
608 char * cp = dev->supplement_adapter_info.AdapterTypeText;
609 while (*cp && *cp != ' ')
610 ++cp;
611 while (*cp == ' ')
612 ++cp;
613 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
614 } else
615 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 616 aac_drivers[dev->cardtype].model);
617 return len;
618}
619
620static ssize_t aac_show_vendor(struct class_device *class_dev,
621 char *buf)
622{
623 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
624 int len;
625
7686f132
MH		 626 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
627 char * cp = dev->supplement_adapter_info.AdapterTypeText;
628 while (*cp && *cp != ' ')
629 ++cp;
630 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
631 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
632 dev->supplement_adapter_info.AdapterTypeText);
633 } else
634 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 635 aac_drivers[dev->cardtype].vname);
636 return len;
637}
638
639static ssize_t aac_show_kernel_version(struct class_device *class_dev,
640 char *buf)
641{
642 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
643 int len, tmp;
644
645 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
646 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
647 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
648 le32_to_cpu(dev->adapter_info.kernelbuild));
649 return len;
650}
651
652static ssize_t aac_show_monitor_version(struct class_device *class_dev,
653 char *buf)
654{
655 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
656 int len, tmp;
657
658 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
659 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
660 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
661 le32_to_cpu(dev->adapter_info.monitorbuild));
662 return len;
663}
664
665static ssize_t aac_show_bios_version(struct class_device *class_dev,
666 char *buf)
667{
668 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
669 int len, tmp;
670
671 tmp = le32_to_cpu(dev->adapter_info.biosrev);
672 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
673 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
674 le32_to_cpu(dev->adapter_info.biosbuild));
675 return len;
676}
677
678static ssize_t aac_show_serial_number(struct class_device *class_dev,
679 char *buf)
680{
681 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
682 int len = 0;
683
684 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
685 len = snprintf(buf, PAGE_SIZE, "%x\n",
686 le32_to_cpu(dev->adapter_info.serial[0]));
687 return len;
688}
689
d1ad94ad
MH		 690static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
691{
692 return snprintf(buf, PAGE_SIZE, "%d\n",
693 class_to_shost(class_dev)->max_channel);
694}
695
696static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
697{
698 return snprintf(buf, PAGE_SIZE, "%d\n",
699 class_to_shost(class_dev)->max_id);
700}
701
0bb14afe
MH		 702
703static struct class_device_attribute aac_model = {
704 .attr = {
705 .name = "model",
706 .mode = S_IRUGO,
707 },
708 .show = aac_show_model,
709};
710static struct class_device_attribute aac_vendor = {
711 .attr = {
712 .name = "vendor",
713 .mode = S_IRUGO,
714 },
715 .show = aac_show_vendor,
716};
717static struct class_device_attribute aac_kernel_version = {
718 .attr = {
719 .name = "hba_kernel_version",
720 .mode = S_IRUGO,
721 },
722 .show = aac_show_kernel_version,
723};
724static struct class_device_attribute aac_monitor_version = {
725 .attr = {
726 .name = "hba_monitor_version",
727 .mode = S_IRUGO,
728 },
729 .show = aac_show_monitor_version,
730};
731static struct class_device_attribute aac_bios_version = {
732 .attr = {
733 .name = "hba_bios_version",
734 .mode = S_IRUGO,
735 },
736 .show = aac_show_bios_version,
737};
738static struct class_device_attribute aac_serial_number = {
739 .attr = {
740 .name = "serial_number",
741 .mode = S_IRUGO,
742 },
743 .show = aac_show_serial_number,
744};
d1ad94ad
MH		 745static struct class_device_attribute aac_max_channel = {
746 .attr = {
747 .name = "max_channel",
748 .mode = S_IRUGO,
749 },
750 .show = aac_show_max_channel,
751};
752static struct class_device_attribute aac_max_id = {
753 .attr = {
754 .name = "max_id",
755 .mode = S_IRUGO,
756 },
757 .show = aac_show_max_id,
758};
0bb14afe
MH		 759
760static struct class_device_attribute *aac_attrs[] = {
761 &aac_model,
762 &aac_vendor,
763 &aac_kernel_version,
764 &aac_monitor_version,
765 &aac_bios_version,
766 &aac_serial_number,
d1ad94ad
MH		 767 &aac_max_channel,
768 &aac_max_id,
0bb14afe
MH		 769 NULL
770};
771
772
1da177e4
LT		 773static struct file_operations aac_cfg_fops = {
774 .owner = THIS_MODULE,
775 .ioctl = aac_cfg_ioctl,
776#ifdef CONFIG_COMPAT
777 .compat_ioctl = aac_compat_cfg_ioctl,
778#endif
779 .open = aac_cfg_open,
780};
781
782static struct scsi_host_template aac_driver_template = {
783 .module = THIS_MODULE,
784 .name = "AAC",
7c00ffa3 785 .proc_name = AAC_DRIVERNAME,
1da177e4
LT		 786 .info = aac_info,
787 .ioctl = aac_ioctl,
788#ifdef CONFIG_COMPAT
789 .compat_ioctl = aac_compat_ioctl,
790#endif
791 .queuecommand = aac_queuecommand,
792 .bios_param = aac_biosparm,
0bb14afe 793 .shost_attrs = aac_attrs,
1da177e4 794 .slave_configure = aac_slave_configure,
1da177e4
LT		 795 .eh_host_reset_handler = aac_eh_reset,
796 .can_queue = AAC_NUM_IO_FIB,
84971738 797 .this_id = MAXIMUM_NUM_CONTAINERS,
1da177e4
LT		 798 .sg_tablesize = 16,
799 .max_sectors = 128,
800#if (AAC_NUM_IO_FIB > 256)
801 .cmd_per_lun = 256,
802#else
803 .cmd_per_lun = AAC_NUM_IO_FIB,
804#endif
805 .use_clustering = ENABLE_CLUSTERING,
1241f359 806 .emulated = 1,
1da177e4
LT		 807};
808
1da177e4
LT		 809static int __devinit aac_probe_one(struct pci_dev *pdev,
810 const struct pci_device_id *id)
811{
812 unsigned index = id->driver_data;
813 struct Scsi_Host *shost;
814 struct aac_dev *aac;
815 struct list_head *insert = &aac_devices;
816 int error = -ENODEV;
817 int unique_id = 0;
818
819 list_for_each_entry(aac, &aac_devices, entry) {
820 if (aac->id > unique_id)
821 break;
822 insert = &aac->entry;
823 unique_id++;
824 }
825
08efb7b6
MH		 826 error = pci_enable_device(pdev);
827 if (error)
1da177e4 828 goto out;
e61b17fd 829 error = -ENODEV;
1da177e4 830
71e0f32f
JB		 831 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
832 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
e61b17fd 833 goto out_disable_pdev;
1da177e4
LT		 834 /*
835 * If the quirk31 bit is set, the adapter needs adapter
836 * to driver communication memory to be allocated below 2gig
837 */
838 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
910638ae
MG		 839 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
840 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
e61b17fd 841 goto out_disable_pdev;
1da177e4
LT		 842
843 pci_set_master(pdev);
844
845 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
846 if (!shost)
847 goto out_disable_pdev;
848
849 shost->irq = pdev->irq;
850 shost->base = pci_resource_start(pdev, 0);
851 shost->unique_id = unique_id;
7a8cf29d 852 shost->max_cmd_len = 16;
1da177e4
LT		 853
854 aac = (struct aac_dev *)shost->hostdata;
855 aac->scsi_host_ptr = shost;
856 aac->pdev = pdev;
857 aac->name = aac_driver_template.name;
858 aac->id = shost->unique_id;
859 aac->cardtype = index;
860 INIT_LIST_HEAD(&aac->entry);
861
7c00ffa3 862 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 863 if (!aac->fibs)
864 goto out_free_host;
865 spin_lock_init(&aac->fib_lock);
866
8e0c5ebd
MH		 867 /*
868 * Map in the registers from the adapter.
869 */
870 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
8e0c5ebd
MH		 871 if ((*aac_drivers[index].init)(aac))
872 goto out_unmap;
873
874 /*
875 * Start any kernel threads needed
876 */
fe27381d
CH		 877 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
878 if (IS_ERR(aac->thread)) {
8e0c5ebd 879 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
fe27381d 880 error = PTR_ERR(aac->thread);
8e0c5ebd
MH		 881 goto out_deinit;
882 }
1da177e4
LT		 883
884 /*
885 * If we had set a smaller DMA mask earlier, set it to 4gig
886 * now since the adapter can dma data to at least a 4gig
887 * address space.
888 */
889 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
71e0f32f
JB		 890 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
891 goto out_deinit;
892
84971738 893 aac->maximum_num_channels = aac_drivers[index].channels;
08efb7b6
MH		 894 error = aac_get_adapter_info(aac);
895 if (error < 0)
896 goto out_deinit;
1da177e4
LT		 897
898 /*
7c00ffa3
MH		 899 * Lets override negotiations and drop the maximum SG limit to 34
900 */
901 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
902 (aac->scsi_host_ptr->sg_tablesize > 34)) {
903 aac->scsi_host_ptr->sg_tablesize = 34;
904 aac->scsi_host_ptr->max_sectors
905 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
906 }
907
db39363c
MH		 908 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
909 (aac->scsi_host_ptr->sg_tablesize > 17)) {
910 aac->scsi_host_ptr->sg_tablesize = 17;
911 aac->scsi_host_ptr->max_sectors
912 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
913 }
914
7c00ffa3
MH		 915 /*
916 * Firware printf works only with older firmware.
917 */
918 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
919 aac->printf_enabled = 1;
920 else
921 aac->printf_enabled = 0;
922
923 /*
1da177e4 924 * max channel will be the physical channels plus 1 virtual channel
bb08f92e 925 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1da177e4
LT		 926 * physical channels are address by their actual physical number+1
927 */
653ba58d 928 if ((aac->nondasd_support == 1) || expose_physicals)
95433bad 929 shost->max_channel = aac->maximum_num_channels;
1da177e4 930 else
95433bad 931 shost->max_channel = 0;
1da177e4 932
8c867b25 933 aac_get_config_status(aac, 0);
1da177e4
LT		 934 aac_get_containers(aac);
935 list_add(&aac->entry, insert);
936
937 shost->max_id = aac->maximum_num_containers;
84971738
MH		 938 if (shost->max_id < aac->maximum_num_physicals)
939 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 940 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
941 shost->max_id = MAXIMUM_NUM_CONTAINERS;
942 else
943 shost->this_id = shost->max_id;
944
945 /*
946 * dmb - we may need to move the setting of these parms somewhere else once
947 * we get a fib that can report the actual numbers
948 */
949 shost->max_lun = AAC_MAX_LUN;
950
951 pci_set_drvdata(pdev, shost);
952
953 error = scsi_add_host(shost, &pdev->dev);
954 if (error)
955 goto out_deinit;
956 scsi_scan_host(shost);
957
958 return 0;
959
bd1aac80 960 out_deinit:
fe27381d 961 kthread_stop(aac->thread);
1da177e4 962 aac_send_shutdown(aac);
bd1aac80 963 aac_adapter_disable_int(aac);
8e0c5ebd
MH		 964 free_irq(pdev->irq, aac);
965 out_unmap:
bfb35aa8 966 aac_fib_map_free(aac);
1da177e4
LT		 967 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
968 kfree(aac->queues);
76a7f8fd 969 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 970 kfree(aac->fibs);
971 kfree(aac->fsa_dev);
972 out_free_host:
973 scsi_host_put(shost);
974 out_disable_pdev:
975 pci_disable_device(pdev);
976 out:
977 return error;
978}
979
bd1aac80
MH		 980static void aac_shutdown(struct pci_dev *dev)
981{
982 struct Scsi_Host *shost = pci_get_drvdata(dev);
983 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
984 aac_send_shutdown(aac);
985}
986
1da177e4
LT		 987static void __devexit aac_remove_one(struct pci_dev *pdev)
988{
989 struct Scsi_Host *shost = pci_get_drvdata(pdev);
990 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
991
992 scsi_remove_host(shost);
993
fe27381d 994 kthread_stop(aac->thread);
1da177e4
LT		 995
996 aac_send_shutdown(aac);
bd1aac80 997 aac_adapter_disable_int(aac);
bfb35aa8 998 aac_fib_map_free(aac);
1da177e4
LT		 999 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1000 aac->comm_phys);
1001 kfree(aac->queues);
1002
1003 free_irq(pdev->irq, aac);
76a7f8fd 1004 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 1005
1006 kfree(aac->fibs);
8e0c5ebd 1007 kfree(aac->fsa_dev);
1da177e4
LT		 1008
1009 list_del(&aac->entry);
1010 scsi_host_put(shost);
1011 pci_disable_device(pdev);
90ee3466
MH		 1012 if (list_empty(&aac_devices)) {
1013 unregister_chrdev(aac_cfg_major, "aac");
1014 aac_cfg_major = -1;
1015 }
1da177e4
LT		 1016}
1017
1018static struct pci_driver aac_pci_driver = {
1019 .name = AAC_DRIVERNAME,
1020 .id_table = aac_pci_tbl,
1021 .probe = aac_probe_one,
1022 .remove = __devexit_p(aac_remove_one),
bd1aac80 1023 .shutdown = aac_shutdown,
1da177e4
LT		 1024};
1025
1026static int __init aac_init(void)
1027{
1028 int error;
1029
c7f47602
MH		 1030 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1031 AAC_DRIVERNAME, aac_driver_version);
1da177e4 1032
08efb7b6
MH		 1033 error = pci_register_driver(&aac_pci_driver);
1034 if (error < 0)
1da177e4
LT		 1035 return error;
1036
1037 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1038 if (aac_cfg_major < 0) {
1039 printk(KERN_WARNING
1040 "aacraid: unable to register \"aac\" device.\n");
1041 }
bd1aac80 1042
1da177e4
LT		 1043 return 0;
1044}
1045
1046static void __exit aac_exit(void)
1047{
53926274
MH		 1048 if (aac_cfg_major > -1)
1049 unregister_chrdev(aac_cfg_major, "aac");
1da177e4
LT		 1050 pci_unregister_driver(&aac_pci_driver);
1051}
1052
1053module_init(aac_init);
1054module_exit(aac_exit);
kernel source for telekom puls (alcatel/mediatek)