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[SCSI] aacraid: Fix error in max_channel field
[linux-2.6-block.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
c7f47602
MH		 30#define AAC_DRIVER_VERSION "1.1-4"
31#ifndef AAC_DRIVER_BRANCH
32#define AAC_DRIVER_BRANCH ""
33#endif
34#define AAC_DRIVER_BUILD_DATE __DATE__ " " __TIME__
1da177e4
LT		 35#define AAC_DRIVERNAME "aacraid"
36
37#include <linux/compat.h>
38#include <linux/blkdev.h>
39#include <linux/completion.h>
40#include <linux/init.h>
41#include <linux/interrupt.h>
42#include <linux/kernel.h>
43#include <linux/module.h>
44#include <linux/moduleparam.h>
45#include <linux/pci.h>
46#include <linux/slab.h>
47#include <linux/spinlock.h>
910638ae 48#include <linux/dma-mapping.h>
1da177e4 49#include <linux/syscalls.h>
1da177e4
LT		 50#include <linux/delay.h>
51#include <linux/smp_lock.h>
fe27381d 52#include <linux/kthread.h>
1da177e4
LT		 53#include <asm/semaphore.h>
54
55#include <scsi/scsi.h>
56#include <scsi/scsi_cmnd.h>
57#include <scsi/scsi_device.h>
58#include <scsi/scsi_host.h>
59#include <scsi/scsi_tcq.h>
60#include <scsi/scsicam.h>
61#include <scsi/scsi_eh.h>
62
63#include "aacraid.h"
64
c7f47602
MH		 65#ifdef AAC_DRIVER_BUILD
66#define _str(x) #x
67#define str(x) _str(x)
68#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
69#else
70#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
71#endif
1da177e4
LT		 72
73MODULE_AUTHOR("Red Hat Inc and Adaptec");
74MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
75 "Adaptec Advanced Raid Products, "
76 "and HP NetRAID-4M SCSI driver");
77MODULE_LICENSE("GPL");
c7f47602 78MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
1da177e4
LT		 79
80static LIST_HEAD(aac_devices);
81static int aac_cfg_major = -1;
c7f47602 82char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
1da177e4
LT		 83
84/*
85 * Because of the way Linux names scsi devices, the order in this table has
86 * become important. Check for on-board Raid first, add-in cards second.
87 *
88 * Note: The last field is used to index into aac_drivers below.
89 */
90static struct pci_device_id aac_pci_tbl[] = {
91 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
92 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
93 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
94 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
95 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
96 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
97 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
98 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
99 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
100 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
101 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
102 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
103 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
104 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
105 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
106 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
107
108 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
109 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
110 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
111 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
112 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
113 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
114 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
115 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
116 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
84971738
MH		 117 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024R0 (Lancer) */
118 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014R0 (Lancer) */
119 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5085AU (Hurricane) */
122 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
123 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
8e87c2f1
MH		 124 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
125 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
126 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
127 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
128 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
129 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
130 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
131 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
132 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
133 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
134 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
135 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
136 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
137 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005SAS */
138 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
139 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
140 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
141 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
142 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000SAS (BlackBird) */
143 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
144 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
145 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-4810SAS (Hurricane */
84971738 146
8e87c2f1
MH		 147 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
148 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
149 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
150 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
151 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
84971738 152
8e87c2f1
MH		 153 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
154 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
155 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
156 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
1da177e4
LT		 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 }, /* PERC 2/Si (Iguana/PERC2Si) */
168 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
169 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
176 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
177 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* 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 }, /* Adaptec 2200S (Vulcan-2m) */
181 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
182 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* 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) */
84971738
MH		 193 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */
194 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (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 ", "ICP5085AU ", 1 }, /* ICP5085AU (Hurricane) */
8e87c2f1
MH		 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) */
84971738 201 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 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) */
db39363c
MH		 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) */
1da177e4
LT		 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-4005SAS ", 1 }, /* ASR-4005SAS */
84971738 213 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 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) */
1da177e4
LT		 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (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) */
8e87c2f1 219 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-4810SAS ", 1 }, /* ASR-4810SAS (Hurricane) */
1da177e4
LT		 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_31BIT | 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 }, /* Dell Catchall */
228 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
229 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
230 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */
231};
232
233/**
234 * aac_queuecommand - queue a SCSI command
235 * @cmd: SCSI command to queue
236 * @done: Function to call on command completion
237 *
238 * Queues a command for execution by the associated Host Adapter.
239 *
240 * TODO: unify with aac_scsi_cmd().
241 */
242
243static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
244{
245 cmd->scsi_done = done;
77d644d4 246 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
1da177e4
LT		 247 return (aac_scsi_cmd(cmd) ? FAILED : 0);
248}
249
250/**
251 * aac_info - Returns the host adapter name
252 * @shost: Scsi host to report on
253 *
254 * Returns a static string describing the device in question
255 */
256
4833869e 257static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 258{
259 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
260 return aac_drivers[dev->cardtype].name;
261}
262
263/**
264 * aac_get_driver_ident
265 * @devtype: index into lookup table
266 *
267 * Returns a pointer to the entry in the driver lookup table.
268 */
269
270struct aac_driver_ident* aac_get_driver_ident(int devtype)
271{
272 return &aac_drivers[devtype];
273}
274
275/**
276 * aac_biosparm - return BIOS parameters for disk
277 * @sdev: The scsi device corresponding to the disk
278 * @bdev: the block device corresponding to the disk
279 * @capacity: the sector capacity of the disk
280 * @geom: geometry block to fill in
281 *
282 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
283 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
284 * number of cylinders so as not to exceed drive capacity. In order for
285 * disks equal to or larger than 1 GB to be addressable by the BIOS
286 * without exceeding the BIOS limitation of 1024 cylinders, Extended
287 * Translation should be enabled. With Extended Translation enabled,
288 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
289 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
290 * are given a disk geometry of 255 heads and 63 sectors. However, if
291 * the BIOS detects that the Extended Translation setting does not match
292 * the geometry in the partition table, then the translation inferred
293 * from the partition table will be used by the BIOS, and a warning may
294 * be displayed.
295 */
296
297static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
298 sector_t capacity, int *geom)
299{
300 struct diskparm *param = (struct diskparm *)geom;
301 unsigned char *buf;
302
303 dprintk((KERN_DEBUG "aac_biosparm.\n"));
304
305 /*
306 * Assuming extended translation is enabled - #REVISIT#
307 */
308 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
309 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
310 param->heads = 255;
311 param->sectors = 63;
312 } else {
313 param->heads = 128;
314 param->sectors = 32;
315 }
316 } else {
317 param->heads = 64;
318 param->sectors = 32;
319 }
320
321 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
322
323 /*
324 * Read the first 1024 bytes from the disk device, if the boot
325 * sector partition table is valid, search for a partition table
326 * entry whose end_head matches one of the standard geometry
327 * translations ( 64/32, 128/32, 255/63 ).
328 */
329 buf = scsi_bios_ptable(bdev);
8bdf810f
MH		 330 if (!buf)
331 return 0;
56b58712 332 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 333 struct partition *first = (struct partition * )buf;
334 struct partition *entry = first;
335 int saved_cylinders = param->cylinders;
336 int num;
337 unsigned char end_head, end_sec;
338
339 for(num = 0; num < 4; num++) {
340 end_head = entry->end_head;
341 end_sec = entry->end_sector & 0x3f;
342
343 if(end_head == 63) {
344 param->heads = 64;
345 param->sectors = 32;
346 break;
347 } else if(end_head == 127) {
348 param->heads = 128;
349 param->sectors = 32;
350 break;
351 } else if(end_head == 254) {
352 param->heads = 255;
353 param->sectors = 63;
354 break;
355 }
356 entry++;
357 }
358
359 if (num == 4) {
360 end_head = first->end_head;
361 end_sec = first->end_sector & 0x3f;
362 }
363
364 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
365 if (num < 4 && end_sec == param->sectors) {
366 if (param->cylinders != saved_cylinders)
367 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
368 param->heads, param->sectors, num));
369 } else if (end_head > 0 || end_sec > 0) {
370 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
371 end_head + 1, end_sec, num));
372 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
373 param->heads, param->sectors));
374 }
375 }
376 kfree(buf);
377 return 0;
378}
379
380/**
381 * aac_slave_configure - compute queue depths
382 * @sdev: SCSI device we are considering
383 *
384 * Selects queue depths for each target device based on the host adapter's
385 * total capacity and the queue depth supported by the target device.
386 * A queue depth of one automatically disables tagged queueing.
387 */
388
389static int aac_slave_configure(struct scsi_device *sdev)
390{
d8a57113
MH		 391 if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
392 sdev->skip_ms_page_8 = 1;
393 sdev->skip_ms_page_3f = 1;
394 }
bb08f92e
MH		 395 if ((sdev->type == TYPE_DISK) &&
396 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
397 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
398 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
399 sdev->no_uld_attach = 1;
400 }
401 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
402 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
403 struct scsi_device * dev;
404 struct Scsi_Host *host = sdev->host;
405 unsigned num_lsu = 0;
406 unsigned num_one = 0;
407 unsigned depth;
7c00ffa3 408
bb08f92e
MH		 409 __shost_for_each_device(dev, host) {
410 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
411 (sdev_channel(dev) == CONTAINER_CHANNEL))
412 ++num_lsu;
413 else
414 ++num_one;
415 }
416 if (num_lsu == 0)
417 ++num_lsu;
418 depth = (host->can_queue - num_one) / num_lsu;
419 if (depth > 256)
420 depth = 256;
421 else if (depth < 2)
422 depth = 2;
423 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
424 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
425 AAC_OPT_NEW_COMM))
426 blk_queue_max_segment_size(sdev->request_queue, 65536);
427 } else
1da177e4 428 scsi_adjust_queue_depth(sdev, 0, 1);
7c00ffa3 429
1da177e4
LT		 430 return 0;
431}
432
433static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
434{
435 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
436 return aac_do_ioctl(dev, cmd, arg);
437}
438
1da177e4
LT		 439/*
440 * aac_eh_reset - Reset command handling
441 * @scsi_cmd: SCSI command block causing the reset
442 *
443 */
444static int aac_eh_reset(struct scsi_cmnd* cmd)
445{
446 struct scsi_device * dev = cmd->device;
447 struct Scsi_Host * host = dev->host;
448 struct scsi_cmnd * command;
449 int count;
450 struct aac_dev * aac;
451 unsigned long flags;
452
453 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
454 AAC_DRIVERNAME);
455
456
df0ae249
JG		 457 spin_lock_irq(host->host_lock);
458
1da177e4
LT		 459 aac = (struct aac_dev *)host->hostdata;
460 if (aac_adapter_check_health(aac)) {
461 printk(KERN_ERR "%s: Host adapter appears dead\n",
462 AAC_DRIVERNAME);
df0ae249 463 spin_unlock_irq(host->host_lock);
1da177e4
LT		 464 return -ENODEV;
465 }
466 /*
467 * Wait for all commands to complete to this specific
468 * target (block maximum 60 seconds).
469 */
470 for (count = 60; count; --count) {
471 int active = 0;
472 __shost_for_each_device(dev, host) {
473 spin_lock_irqsave(&dev->list_lock, flags);
474 list_for_each_entry(command, &dev->cmd_list, list) {
77d644d4
MH		 475 if ((command != cmd) &&
476 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
1da177e4
LT		 477 active++;
478 break;
479 }
480 }
481 spin_unlock_irqrestore(&dev->list_lock, flags);
482 if (active)
483 break;
484
485 }
486 /*
487 * We can exit If all the commands are complete
488 */
0e7734d3 489 spin_unlock_irq(host->host_lock);
1da177e4
LT		 490 if (active == 0)
491 return SUCCESS;
1da177e4
LT		 492 ssleep(1);
493 spin_lock_irq(host->host_lock);
494 }
df0ae249 495 spin_unlock_irq(host->host_lock);
1da177e4
LT		 496 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
497 return -ETIMEDOUT;
498}
499
500/**
501 * aac_cfg_open - open a configuration file
502 * @inode: inode being opened
503 * @file: file handle attached
504 *
505 * Called when the configuration device is opened. Does the needed
506 * set up on the handle and then returns
507 *
508 * Bugs: This needs extending to check a given adapter is present
509 * so we can support hot plugging, and to ref count adapters.
510 */
511
512static int aac_cfg_open(struct inode *inode, struct file *file)
513{
514 struct aac_dev *aac;
7c00ffa3 515 unsigned minor_number = iminor(inode);
1da177e4
LT		 516 int err = -ENODEV;
517
518 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 519 if (aac->id == minor_number) {
1da177e4
LT		 520 file->private_data = aac;
521 err = 0;
522 break;
523 }
524 }
525
036d6184 526 return err;
1da177e4
LT		 527}
528
529/**
530 * aac_cfg_ioctl - AAC configuration request
531 * @inode: inode of device
532 * @file: file handle
533 * @cmd: ioctl command code
534 * @arg: argument
535 *
536 * Handles a configuration ioctl. Currently this involves wrapping it
537 * up and feeding it into the nasty windowsalike glue layer.
538 *
539 * Bugs: Needs locking against parallel ioctls lower down
540 * Bugs: Needs to handle hot plugging
541 */
542
543static int aac_cfg_ioctl(struct inode *inode, struct file *file,
544 unsigned int cmd, unsigned long arg)
545{
546 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
547}
548
549#ifdef CONFIG_COMPAT
550static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
551{
552 long ret;
553 lock_kernel();
554 switch (cmd) {
555 case FSACTL_MINIPORT_REV_CHECK:
556 case FSACTL_SENDFIB:
557 case FSACTL_OPEN_GET_ADAPTER_FIB:
558 case FSACTL_CLOSE_GET_ADAPTER_FIB:
559 case FSACTL_SEND_RAW_SRB:
560 case FSACTL_GET_PCI_INFO:
561 case FSACTL_QUERY_DISK:
562 case FSACTL_DELETE_DISK:
563 case FSACTL_FORCE_DELETE_DISK:
564 case FSACTL_GET_CONTAINERS:
7c00ffa3 565 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 566 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
567 break;
568
569 case FSACTL_GET_NEXT_ADAPTER_FIB: {
570 struct fib_ioctl __user *f;
571
572 f = compat_alloc_user_space(sizeof(*f));
573 ret = 0;
574 if (clear_user(f, sizeof(*f) != sizeof(*f)))
575 ret = -EFAULT;
576 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
577 ret = -EFAULT;
578 if (!ret)
579 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
580 break;
581 }
582
583 default:
584 ret = -ENOIOCTLCMD;
585 break;
586 }
587 unlock_kernel();
588 return ret;
589}
590
591static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
592{
593 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
594 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
595}
596
597static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
598{
599 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
600}
601#endif
602
0bb14afe
MH		 603static ssize_t aac_show_model(struct class_device *class_dev,
604 char *buf)
605{
606 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
607 int len;
608
7686f132
MH		 609 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
610 char * cp = dev->supplement_adapter_info.AdapterTypeText;
611 while (*cp && *cp != ' ')
612 ++cp;
613 while (*cp == ' ')
614 ++cp;
615 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
616 } else
617 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 618 aac_drivers[dev->cardtype].model);
619 return len;
620}
621
622static ssize_t aac_show_vendor(struct class_device *class_dev,
623 char *buf)
624{
625 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
626 int len;
627
7686f132
MH		 628 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
629 char * cp = dev->supplement_adapter_info.AdapterTypeText;
630 while (*cp && *cp != ' ')
631 ++cp;
632 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
633 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
634 dev->supplement_adapter_info.AdapterTypeText);
635 } else
636 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 637 aac_drivers[dev->cardtype].vname);
638 return len;
639}
640
641static ssize_t aac_show_kernel_version(struct class_device *class_dev,
642 char *buf)
643{
644 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
645 int len, tmp;
646
647 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
648 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
649 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
650 le32_to_cpu(dev->adapter_info.kernelbuild));
651 return len;
652}
653
654static ssize_t aac_show_monitor_version(struct class_device *class_dev,
655 char *buf)
656{
657 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
658 int len, tmp;
659
660 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
661 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
662 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
663 le32_to_cpu(dev->adapter_info.monitorbuild));
664 return len;
665}
666
667static ssize_t aac_show_bios_version(struct class_device *class_dev,
668 char *buf)
669{
670 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
671 int len, tmp;
672
673 tmp = le32_to_cpu(dev->adapter_info.biosrev);
674 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
675 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
676 le32_to_cpu(dev->adapter_info.biosbuild));
677 return len;
678}
679
680static ssize_t aac_show_serial_number(struct class_device *class_dev,
681 char *buf)
682{
683 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
684 int len = 0;
685
686 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
687 len = snprintf(buf, PAGE_SIZE, "%x\n",
688 le32_to_cpu(dev->adapter_info.serial[0]));
689 return len;
690}
691
692
693static struct class_device_attribute aac_model = {
694 .attr = {
695 .name = "model",
696 .mode = S_IRUGO,
697 },
698 .show = aac_show_model,
699};
700static struct class_device_attribute aac_vendor = {
701 .attr = {
702 .name = "vendor",
703 .mode = S_IRUGO,
704 },
705 .show = aac_show_vendor,
706};
707static struct class_device_attribute aac_kernel_version = {
708 .attr = {
709 .name = "hba_kernel_version",
710 .mode = S_IRUGO,
711 },
712 .show = aac_show_kernel_version,
713};
714static struct class_device_attribute aac_monitor_version = {
715 .attr = {
716 .name = "hba_monitor_version",
717 .mode = S_IRUGO,
718 },
719 .show = aac_show_monitor_version,
720};
721static struct class_device_attribute aac_bios_version = {
722 .attr = {
723 .name = "hba_bios_version",
724 .mode = S_IRUGO,
725 },
726 .show = aac_show_bios_version,
727};
728static struct class_device_attribute aac_serial_number = {
729 .attr = {
730 .name = "serial_number",
731 .mode = S_IRUGO,
732 },
733 .show = aac_show_serial_number,
734};
735
736static struct class_device_attribute *aac_attrs[] = {
737 &aac_model,
738 &aac_vendor,
739 &aac_kernel_version,
740 &aac_monitor_version,
741 &aac_bios_version,
742 &aac_serial_number,
743 NULL
744};
745
746
1da177e4
LT		 747static struct file_operations aac_cfg_fops = {
748 .owner = THIS_MODULE,
749 .ioctl = aac_cfg_ioctl,
750#ifdef CONFIG_COMPAT
751 .compat_ioctl = aac_compat_cfg_ioctl,
752#endif
753 .open = aac_cfg_open,
754};
755
756static struct scsi_host_template aac_driver_template = {
757 .module = THIS_MODULE,
758 .name = "AAC",
7c00ffa3 759 .proc_name = AAC_DRIVERNAME,
1da177e4
LT		 760 .info = aac_info,
761 .ioctl = aac_ioctl,
762#ifdef CONFIG_COMPAT
763 .compat_ioctl = aac_compat_ioctl,
764#endif
765 .queuecommand = aac_queuecommand,
766 .bios_param = aac_biosparm,
0bb14afe 767 .shost_attrs = aac_attrs,
1da177e4 768 .slave_configure = aac_slave_configure,
1da177e4
LT		 769 .eh_host_reset_handler = aac_eh_reset,
770 .can_queue = AAC_NUM_IO_FIB,
84971738 771 .this_id = MAXIMUM_NUM_CONTAINERS,
1da177e4
LT		 772 .sg_tablesize = 16,
773 .max_sectors = 128,
774#if (AAC_NUM_IO_FIB > 256)
775 .cmd_per_lun = 256,
776#else
777 .cmd_per_lun = AAC_NUM_IO_FIB,
778#endif
779 .use_clustering = ENABLE_CLUSTERING,
780};
781
782
783static int __devinit aac_probe_one(struct pci_dev *pdev,
784 const struct pci_device_id *id)
785{
786 unsigned index = id->driver_data;
787 struct Scsi_Host *shost;
788 struct aac_dev *aac;
789 struct list_head *insert = &aac_devices;
790 int error = -ENODEV;
791 int unique_id = 0;
792
793 list_for_each_entry(aac, &aac_devices, entry) {
794 if (aac->id > unique_id)
795 break;
796 insert = &aac->entry;
797 unique_id++;
798 }
799
08efb7b6
MH		 800 error = pci_enable_device(pdev);
801 if (error)
1da177e4 802 goto out;
e61b17fd 803 error = -ENODEV;
1da177e4 804
71e0f32f
JB		 805 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
806 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
e61b17fd 807 goto out_disable_pdev;
1da177e4
LT		 808 /*
809 * If the quirk31 bit is set, the adapter needs adapter
810 * to driver communication memory to be allocated below 2gig
811 */
812 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
910638ae
MG		 813 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
814 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
e61b17fd 815 goto out_disable_pdev;
1da177e4
LT		 816
817 pci_set_master(pdev);
818
819 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
820 if (!shost)
821 goto out_disable_pdev;
822
823 shost->irq = pdev->irq;
824 shost->base = pci_resource_start(pdev, 0);
825 shost->unique_id = unique_id;
7a8cf29d 826 shost->max_cmd_len = 16;
1da177e4
LT		 827
828 aac = (struct aac_dev *)shost->hostdata;
829 aac->scsi_host_ptr = shost;
830 aac->pdev = pdev;
831 aac->name = aac_driver_template.name;
832 aac->id = shost->unique_id;
833 aac->cardtype = index;
834 INIT_LIST_HEAD(&aac->entry);
835
7c00ffa3 836 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 837 if (!aac->fibs)
838 goto out_free_host;
839 spin_lock_init(&aac->fib_lock);
840
8e0c5ebd
MH		 841 /*
842 * Map in the registers from the adapter.
843 */
844 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
845 if ((aac->regs.sa = ioremap(
846 (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE))
847 == NULL) {
848 printk(KERN_WARNING "%s: unable to map adapter.\n",
849 AAC_DRIVERNAME);
1da177e4 850 goto out_free_fibs;
8e0c5ebd
MH		 851 }
852 if ((*aac_drivers[index].init)(aac))
853 goto out_unmap;
854
855 /*
856 * Start any kernel threads needed
857 */
fe27381d
CH		 858 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
859 if (IS_ERR(aac->thread)) {
8e0c5ebd 860 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
fe27381d 861 error = PTR_ERR(aac->thread);
8e0c5ebd
MH		 862 goto out_deinit;
863 }
1da177e4
LT		 864
865 /*
866 * If we had set a smaller DMA mask earlier, set it to 4gig
867 * now since the adapter can dma data to at least a 4gig
868 * address space.
869 */
870 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
71e0f32f
JB		 871 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
872 goto out_deinit;
873
84971738 874 aac->maximum_num_channels = aac_drivers[index].channels;
08efb7b6
MH		 875 error = aac_get_adapter_info(aac);
876 if (error < 0)
877 goto out_deinit;
1da177e4
LT		 878
879 /*
7c00ffa3
MH		 880 * Lets override negotiations and drop the maximum SG limit to 34
881 */
882 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
883 (aac->scsi_host_ptr->sg_tablesize > 34)) {
884 aac->scsi_host_ptr->sg_tablesize = 34;
885 aac->scsi_host_ptr->max_sectors
886 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
887 }
888
db39363c
MH		 889 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
890 (aac->scsi_host_ptr->sg_tablesize > 17)) {
891 aac->scsi_host_ptr->sg_tablesize = 17;
892 aac->scsi_host_ptr->max_sectors
893 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
894 }
895
7c00ffa3
MH		 896 /*
897 * Firware printf works only with older firmware.
898 */
899 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
900 aac->printf_enabled = 1;
901 else
902 aac->printf_enabled = 0;
903
904 /*
1da177e4 905 * max channel will be the physical channels plus 1 virtual channel
bb08f92e 906 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1da177e4
LT		 907 * physical channels are address by their actual physical number+1
908 */
909 if (aac->nondasd_support == 1)
95433bad 910 shost->max_channel = aac->maximum_num_channels;
1da177e4 911 else
95433bad 912 shost->max_channel = 0;
1da177e4
LT		 913
914 aac_get_config_status(aac);
915 aac_get_containers(aac);
916 list_add(&aac->entry, insert);
917
918 shost->max_id = aac->maximum_num_containers;
84971738
MH		 919 if (shost->max_id < aac->maximum_num_physicals)
920 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 921 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
922 shost->max_id = MAXIMUM_NUM_CONTAINERS;
923 else
924 shost->this_id = shost->max_id;
925
926 /*
927 * dmb - we may need to move the setting of these parms somewhere else once
928 * we get a fib that can report the actual numbers
929 */
930 shost->max_lun = AAC_MAX_LUN;
931
932 pci_set_drvdata(pdev, shost);
933
934 error = scsi_add_host(shost, &pdev->dev);
935 if (error)
936 goto out_deinit;
937 scsi_scan_host(shost);
938
939 return 0;
940
bd1aac80 941 out_deinit:
fe27381d 942 kthread_stop(aac->thread);
1da177e4 943 aac_send_shutdown(aac);
bd1aac80 944 aac_adapter_disable_int(aac);
8e0c5ebd
MH		 945 free_irq(pdev->irq, aac);
946 out_unmap:
bfb35aa8 947 aac_fib_map_free(aac);
1da177e4
LT		 948 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
949 kfree(aac->queues);
1da177e4
LT		 950 iounmap(aac->regs.sa);
951 out_free_fibs:
952 kfree(aac->fibs);
953 kfree(aac->fsa_dev);
954 out_free_host:
955 scsi_host_put(shost);
956 out_disable_pdev:
957 pci_disable_device(pdev);
958 out:
959 return error;
960}
961
bd1aac80
MH		 962static void aac_shutdown(struct pci_dev *dev)
963{
964 struct Scsi_Host *shost = pci_get_drvdata(dev);
965 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
966 aac_send_shutdown(aac);
967}
968
1da177e4
LT		 969static void __devexit aac_remove_one(struct pci_dev *pdev)
970{
971 struct Scsi_Host *shost = pci_get_drvdata(pdev);
972 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
973
974 scsi_remove_host(shost);
975
fe27381d 976 kthread_stop(aac->thread);
1da177e4
LT		 977
978 aac_send_shutdown(aac);
bd1aac80 979 aac_adapter_disable_int(aac);
bfb35aa8 980 aac_fib_map_free(aac);
1da177e4
LT		 981 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
982 aac->comm_phys);
983 kfree(aac->queues);
984
985 free_irq(pdev->irq, aac);
986 iounmap(aac->regs.sa);
987
988 kfree(aac->fibs);
8e0c5ebd 989 kfree(aac->fsa_dev);
1da177e4
LT		 990
991 list_del(&aac->entry);
992 scsi_host_put(shost);
993 pci_disable_device(pdev);
994}
995
996static struct pci_driver aac_pci_driver = {
997 .name = AAC_DRIVERNAME,
998 .id_table = aac_pci_tbl,
999 .probe = aac_probe_one,
1000 .remove = __devexit_p(aac_remove_one),
bd1aac80 1001 .shutdown = aac_shutdown,
1da177e4
LT		 1002};
1003
1004static int __init aac_init(void)
1005{
1006 int error;
1007
c7f47602
MH		 1008 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1009 AAC_DRIVERNAME, aac_driver_version);
1da177e4 1010
08efb7b6
MH		 1011 error = pci_register_driver(&aac_pci_driver);
1012 if (error < 0)
1da177e4
LT		 1013 return error;
1014
1015 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1016 if (aac_cfg_major < 0) {
1017 printk(KERN_WARNING
1018 "aacraid: unable to register \"aac\" device.\n");
1019 }
bd1aac80 1020
1da177e4
LT		 1021 return 0;
1022}
1023
1024static void __exit aac_exit(void)
1025{
1026 unregister_chrdev(aac_cfg_major, "aac");
1027 pci_unregister_driver(&aac_pci_driver);
1028}
1029
1030module_init(aac_init);
1031module_exit(aac_exit);
Linux 6.x block layer and io_uring tree(s)