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