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[SCSI] aacraid: expose physical devices
[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 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 */
1da177e4
LT		 160 { 0,}
161};
162MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
163
164/*
165 * dmb - For now we add the number of channels to this structure.
166 * In the future we should add a fib that reports the number of channels
167 * for the card. At that time we can remove the channels from here
168 */
169static struct aac_driver_ident aac_drivers[] = {
170 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
179 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
184 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
185 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
186
187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
188 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
190 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
191 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
193 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
84971738
MH		 196 { aac_rkt_init, "aacraid", "ICP ", "ICP9024R0 ", 2 }, /* ICP9024R0 (Lancer) */
197 { aac_rkt_init, "aacraid", "ICP ", "ICP9014R0 ", 1 }, /* ICP9014R0 (Lancer) */
198 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
75c3628d 200 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
8e87c2f1
MH		 201 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
202 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
84971738 204 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 205 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
206 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
207 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
db39363c
MH		 208 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
209 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
1da177e4
LT		 212 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005SAS ", 1 }, /* ASR-4005SAS */
84971738 216 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 217 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
218 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
1da177e4
LT		 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000SAS ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
221 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
75c3628d 222 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800SAS ", 1 }, /* ASR-3800SAS (Hurricane44) */
1da177e4
LT		 223
224 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
225 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
226 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
227 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
228 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
229
230 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
231 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
232 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
233 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec Rocket Catch All */
234};
235
236/**
237 * aac_queuecommand - queue a SCSI command
238 * @cmd: SCSI command to queue
239 * @done: Function to call on command completion
240 *
241 * Queues a command for execution by the associated Host Adapter.
242 *
243 * TODO: unify with aac_scsi_cmd().
244 */
245
246static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
247{
248 cmd->scsi_done = done;
77d644d4 249 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
1da177e4
LT		 250 return (aac_scsi_cmd(cmd) ? FAILED : 0);
251}
252
253/**
254 * aac_info - Returns the host adapter name
255 * @shost: Scsi host to report on
256 *
257 * Returns a static string describing the device in question
258 */
259
4833869e 260static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 261{
262 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
263 return aac_drivers[dev->cardtype].name;
264}
265
266/**
267 * aac_get_driver_ident
268 * @devtype: index into lookup table
269 *
270 * Returns a pointer to the entry in the driver lookup table.
271 */
272
273struct aac_driver_ident* aac_get_driver_ident(int devtype)
274{
275 return &aac_drivers[devtype];
276}
277
278/**
279 * aac_biosparm - return BIOS parameters for disk
280 * @sdev: The scsi device corresponding to the disk
281 * @bdev: the block device corresponding to the disk
282 * @capacity: the sector capacity of the disk
283 * @geom: geometry block to fill in
284 *
285 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
286 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
287 * number of cylinders so as not to exceed drive capacity. In order for
288 * disks equal to or larger than 1 GB to be addressable by the BIOS
289 * without exceeding the BIOS limitation of 1024 cylinders, Extended
290 * Translation should be enabled. With Extended Translation enabled,
291 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
292 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
293 * are given a disk geometry of 255 heads and 63 sectors. However, if
294 * the BIOS detects that the Extended Translation setting does not match
295 * the geometry in the partition table, then the translation inferred
296 * from the partition table will be used by the BIOS, and a warning may
297 * be displayed.
298 */
299
300static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
301 sector_t capacity, int *geom)
302{
303 struct diskparm *param = (struct diskparm *)geom;
304 unsigned char *buf;
305
306 dprintk((KERN_DEBUG "aac_biosparm.\n"));
307
308 /*
309 * Assuming extended translation is enabled - #REVISIT#
310 */
311 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
312 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
313 param->heads = 255;
314 param->sectors = 63;
315 } else {
316 param->heads = 128;
317 param->sectors = 32;
318 }
319 } else {
320 param->heads = 64;
321 param->sectors = 32;
322 }
323
324 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
325
326 /*
327 * Read the first 1024 bytes from the disk device, if the boot
328 * sector partition table is valid, search for a partition table
329 * entry whose end_head matches one of the standard geometry
330 * translations ( 64/32, 128/32, 255/63 ).
331 */
332 buf = scsi_bios_ptable(bdev);
8bdf810f
MH		 333 if (!buf)
334 return 0;
56b58712 335 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 336 struct partition *first = (struct partition * )buf;
337 struct partition *entry = first;
338 int saved_cylinders = param->cylinders;
339 int num;
340 unsigned char end_head, end_sec;
341
342 for(num = 0; num < 4; num++) {
343 end_head = entry->end_head;
344 end_sec = entry->end_sector & 0x3f;
345
346 if(end_head == 63) {
347 param->heads = 64;
348 param->sectors = 32;
349 break;
350 } else if(end_head == 127) {
351 param->heads = 128;
352 param->sectors = 32;
353 break;
354 } else if(end_head == 254) {
355 param->heads = 255;
356 param->sectors = 63;
357 break;
358 }
359 entry++;
360 }
361
362 if (num == 4) {
363 end_head = first->end_head;
364 end_sec = first->end_sector & 0x3f;
365 }
366
367 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
368 if (num < 4 && end_sec == param->sectors) {
369 if (param->cylinders != saved_cylinders)
370 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
371 param->heads, param->sectors, num));
372 } else if (end_head > 0 || end_sec > 0) {
373 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
374 end_head + 1, end_sec, num));
375 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
376 param->heads, param->sectors));
377 }
378 }
379 kfree(buf);
380 return 0;
381}
382
383/**
384 * aac_slave_configure - compute queue depths
385 * @sdev: SCSI device we are considering
386 *
387 * Selects queue depths for each target device based on the host adapter's
388 * total capacity and the queue depth supported by the target device.
389 * A queue depth of one automatically disables tagged queueing.
390 */
391
392static int aac_slave_configure(struct scsi_device *sdev)
393{
d8a57113
MH		 394 if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
395 sdev->skip_ms_page_8 = 1;
396 sdev->skip_ms_page_3f = 1;
397 }
bb08f92e 398 if ((sdev->type == TYPE_DISK) &&
653ba58d 399 !expose_physicals &&
bb08f92e
MH		 400 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
401 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
402 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
403 sdev->no_uld_attach = 1;
404 }
405 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
406 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
407 struct scsi_device * dev;
408 struct Scsi_Host *host = sdev->host;
409 unsigned num_lsu = 0;
410 unsigned num_one = 0;
411 unsigned depth;
7c00ffa3 412
bb08f92e
MH		 413 __shost_for_each_device(dev, host) {
414 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
415 (sdev_channel(dev) == CONTAINER_CHANNEL))
416 ++num_lsu;
417 else
418 ++num_one;
419 }
420 if (num_lsu == 0)
421 ++num_lsu;
422 depth = (host->can_queue - num_one) / num_lsu;
423 if (depth > 256)
424 depth = 256;
425 else if (depth < 2)
426 depth = 2;
427 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
428 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
429 AAC_OPT_NEW_COMM))
430 blk_queue_max_segment_size(sdev->request_queue, 65536);
431 } else
1da177e4 432 scsi_adjust_queue_depth(sdev, 0, 1);
7c00ffa3 433
1da177e4
LT		 434 return 0;
435}
436
437static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
438{
439 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
440 return aac_do_ioctl(dev, cmd, arg);
441}
442
1da177e4
LT		 443/*
444 * aac_eh_reset - Reset command handling
445 * @scsi_cmd: SCSI command block causing the reset
446 *
447 */
448static int aac_eh_reset(struct scsi_cmnd* cmd)
449{
450 struct scsi_device * dev = cmd->device;
451 struct Scsi_Host * host = dev->host;
452 struct scsi_cmnd * command;
453 int count;
454 struct aac_dev * aac;
455 unsigned long flags;
456
457 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
458 AAC_DRIVERNAME);
1da177e4 459 aac = (struct aac_dev *)host->hostdata;
8c867b25
MH		 460
461 if ((count = aac_check_health(aac)))
462 return count;
1da177e4
LT		 463 /*
464 * Wait for all commands to complete to this specific
465 * target (block maximum 60 seconds).
466 */
467 for (count = 60; count; --count) {
8c867b25
MH		 468 int active = aac->in_reset;
469
470 if (active == 0)
1da177e4
LT		 471 __shost_for_each_device(dev, host) {
472 spin_lock_irqsave(&dev->list_lock, flags);
473 list_for_each_entry(command, &dev->cmd_list, list) {
77d644d4
MH		 474 if ((command != cmd) &&
475 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
1da177e4
LT		 476 active++;
477 break;
478 }
479 }
480 spin_unlock_irqrestore(&dev->list_lock, flags);
481 if (active)
482 break;
483
484 }
485 /*
486 * We can exit If all the commands are complete
487 */
488 if (active == 0)
489 return SUCCESS;
1da177e4 490 ssleep(1);
1da177e4
LT		 491 }
492 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
493 return -ETIMEDOUT;
494}
495
496/**
497 * aac_cfg_open - open a configuration file
498 * @inode: inode being opened
499 * @file: file handle attached
500 *
501 * Called when the configuration device is opened. Does the needed
502 * set up on the handle and then returns
503 *
504 * Bugs: This needs extending to check a given adapter is present
505 * so we can support hot plugging, and to ref count adapters.
506 */
507
508static int aac_cfg_open(struct inode *inode, struct file *file)
509{
510 struct aac_dev *aac;
7c00ffa3 511 unsigned minor_number = iminor(inode);
1da177e4
LT		 512 int err = -ENODEV;
513
514 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 515 if (aac->id == minor_number) {
1da177e4
LT		 516 file->private_data = aac;
517 err = 0;
518 break;
519 }
520 }
521
036d6184 522 return err;
1da177e4
LT		 523}
524
525/**
526 * aac_cfg_ioctl - AAC configuration request
527 * @inode: inode of device
528 * @file: file handle
529 * @cmd: ioctl command code
530 * @arg: argument
531 *
532 * Handles a configuration ioctl. Currently this involves wrapping it
533 * up and feeding it into the nasty windowsalike glue layer.
534 *
535 * Bugs: Needs locking against parallel ioctls lower down
536 * Bugs: Needs to handle hot plugging
537 */
538
539static int aac_cfg_ioctl(struct inode *inode, struct file *file,
540 unsigned int cmd, unsigned long arg)
541{
542 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
543}
544
545#ifdef CONFIG_COMPAT
546static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
547{
548 long ret;
549 lock_kernel();
550 switch (cmd) {
551 case FSACTL_MINIPORT_REV_CHECK:
552 case FSACTL_SENDFIB:
553 case FSACTL_OPEN_GET_ADAPTER_FIB:
554 case FSACTL_CLOSE_GET_ADAPTER_FIB:
555 case FSACTL_SEND_RAW_SRB:
556 case FSACTL_GET_PCI_INFO:
557 case FSACTL_QUERY_DISK:
558 case FSACTL_DELETE_DISK:
559 case FSACTL_FORCE_DELETE_DISK:
560 case FSACTL_GET_CONTAINERS:
7c00ffa3 561 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 562 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
563 break;
564
565 case FSACTL_GET_NEXT_ADAPTER_FIB: {
566 struct fib_ioctl __user *f;
567
568 f = compat_alloc_user_space(sizeof(*f));
569 ret = 0;
821499a8 570 if (clear_user(f, sizeof(*f)))
1da177e4
LT		 571 ret = -EFAULT;
572 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
573 ret = -EFAULT;
574 if (!ret)
3d2f98a6 575 ret = aac_do_ioctl(dev, cmd, f);
1da177e4
LT		 576 break;
577 }
578
579 default:
580 ret = -ENOIOCTLCMD;
581 break;
582 }
583 unlock_kernel();
584 return ret;
585}
586
587static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
588{
589 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
590 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
591}
592
593static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
594{
595 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
596}
597#endif
598
0bb14afe
MH		 599static ssize_t aac_show_model(struct class_device *class_dev,
600 char *buf)
601{
602 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
603 int len;
604
7686f132
MH		 605 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
606 char * cp = dev->supplement_adapter_info.AdapterTypeText;
607 while (*cp && *cp != ' ')
608 ++cp;
609 while (*cp == ' ')
610 ++cp;
611 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
612 } else
613 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 614 aac_drivers[dev->cardtype].model);
615 return len;
616}
617
618static ssize_t aac_show_vendor(struct class_device *class_dev,
619 char *buf)
620{
621 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
622 int len;
623
7686f132
MH		 624 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
625 char * cp = dev->supplement_adapter_info.AdapterTypeText;
626 while (*cp && *cp != ' ')
627 ++cp;
628 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
629 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
630 dev->supplement_adapter_info.AdapterTypeText);
631 } else
632 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 633 aac_drivers[dev->cardtype].vname);
634 return len;
635}
636
637static ssize_t aac_show_kernel_version(struct class_device *class_dev,
638 char *buf)
639{
640 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
641 int len, tmp;
642
643 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
644 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
645 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
646 le32_to_cpu(dev->adapter_info.kernelbuild));
647 return len;
648}
649
650static ssize_t aac_show_monitor_version(struct class_device *class_dev,
651 char *buf)
652{
653 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
654 int len, tmp;
655
656 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
657 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
658 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
659 le32_to_cpu(dev->adapter_info.monitorbuild));
660 return len;
661}
662
663static ssize_t aac_show_bios_version(struct class_device *class_dev,
664 char *buf)
665{
666 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
667 int len, tmp;
668
669 tmp = le32_to_cpu(dev->adapter_info.biosrev);
670 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
671 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
672 le32_to_cpu(dev->adapter_info.biosbuild));
673 return len;
674}
675
676static ssize_t aac_show_serial_number(struct class_device *class_dev,
677 char *buf)
678{
679 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
680 int len = 0;
681
682 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
683 len = snprintf(buf, PAGE_SIZE, "%x\n",
684 le32_to_cpu(dev->adapter_info.serial[0]));
685 return len;
686}
687
d1ad94ad
MH		 688static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
689{
690 return snprintf(buf, PAGE_SIZE, "%d\n",
691 class_to_shost(class_dev)->max_channel);
692}
693
694static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
695{
696 return snprintf(buf, PAGE_SIZE, "%d\n",
697 class_to_shost(class_dev)->max_id);
698}
699
0bb14afe
MH		 700
701static struct class_device_attribute aac_model = {
702 .attr = {
703 .name = "model",
704 .mode = S_IRUGO,
705 },
706 .show = aac_show_model,
707};
708static struct class_device_attribute aac_vendor = {
709 .attr = {
710 .name = "vendor",
711 .mode = S_IRUGO,
712 },
713 .show = aac_show_vendor,
714};
715static struct class_device_attribute aac_kernel_version = {
716 .attr = {
717 .name = "hba_kernel_version",
718 .mode = S_IRUGO,
719 },
720 .show = aac_show_kernel_version,
721};
722static struct class_device_attribute aac_monitor_version = {
723 .attr = {
724 .name = "hba_monitor_version",
725 .mode = S_IRUGO,
726 },
727 .show = aac_show_monitor_version,
728};
729static struct class_device_attribute aac_bios_version = {
730 .attr = {
731 .name = "hba_bios_version",
732 .mode = S_IRUGO,
733 },
734 .show = aac_show_bios_version,
735};
736static struct class_device_attribute aac_serial_number = {
737 .attr = {
738 .name = "serial_number",
739 .mode = S_IRUGO,
740 },
741 .show = aac_show_serial_number,
742};
d1ad94ad
MH		 743static struct class_device_attribute aac_max_channel = {
744 .attr = {
745 .name = "max_channel",
746 .mode = S_IRUGO,
747 },
748 .show = aac_show_max_channel,
749};
750static struct class_device_attribute aac_max_id = {
751 .attr = {
752 .name = "max_id",
753 .mode = S_IRUGO,
754 },
755 .show = aac_show_max_id,
756};
0bb14afe
MH		 757
758static struct class_device_attribute *aac_attrs[] = {
759 &aac_model,
760 &aac_vendor,
761 &aac_kernel_version,
762 &aac_monitor_version,
763 &aac_bios_version,
764 &aac_serial_number,
d1ad94ad
MH		 765 &aac_max_channel,
766 &aac_max_id,
0bb14afe
MH		 767 NULL
768};
769
770
1da177e4
LT		 771static struct file_operations aac_cfg_fops = {
772 .owner = THIS_MODULE,
773 .ioctl = aac_cfg_ioctl,
774#ifdef CONFIG_COMPAT
775 .compat_ioctl = aac_compat_cfg_ioctl,
776#endif
777 .open = aac_cfg_open,
778};
779
780static struct scsi_host_template aac_driver_template = {
781 .module = THIS_MODULE,
782 .name = "AAC",
7c00ffa3 783 .proc_name = AAC_DRIVERNAME,
1da177e4
LT		 784 .info = aac_info,
785 .ioctl = aac_ioctl,
786#ifdef CONFIG_COMPAT
787 .compat_ioctl = aac_compat_ioctl,
788#endif
789 .queuecommand = aac_queuecommand,
790 .bios_param = aac_biosparm,
0bb14afe 791 .shost_attrs = aac_attrs,
1da177e4 792 .slave_configure = aac_slave_configure,
1da177e4
LT		 793 .eh_host_reset_handler = aac_eh_reset,
794 .can_queue = AAC_NUM_IO_FIB,
84971738 795 .this_id = MAXIMUM_NUM_CONTAINERS,
1da177e4
LT		 796 .sg_tablesize = 16,
797 .max_sectors = 128,
798#if (AAC_NUM_IO_FIB > 256)
799 .cmd_per_lun = 256,
800#else
801 .cmd_per_lun = AAC_NUM_IO_FIB,
802#endif
803 .use_clustering = ENABLE_CLUSTERING,
1241f359 804 .emulated = 1,
1da177e4
LT		 805};
806
807
808static int __devinit aac_probe_one(struct pci_dev *pdev,
809 const struct pci_device_id *id)
810{
811 unsigned index = id->driver_data;
812 struct Scsi_Host *shost;
813 struct aac_dev *aac;
814 struct list_head *insert = &aac_devices;
815 int error = -ENODEV;
816 int unique_id = 0;
817
818 list_for_each_entry(aac, &aac_devices, entry) {
819 if (aac->id > unique_id)
820 break;
821 insert = &aac->entry;
822 unique_id++;
823 }
824
08efb7b6
MH		 825 error = pci_enable_device(pdev);
826 if (error)
1da177e4 827 goto out;
e61b17fd 828 error = -ENODEV;
1da177e4 829
71e0f32f
JB		 830 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
831 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
e61b17fd 832 goto out_disable_pdev;
1da177e4
LT		 833 /*
834 * If the quirk31 bit is set, the adapter needs adapter
835 * to driver communication memory to be allocated below 2gig
836 */
837 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
910638ae
MG		 838 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
839 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
e61b17fd 840 goto out_disable_pdev;
1da177e4
LT		 841
842 pci_set_master(pdev);
843
844 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
845 if (!shost)
846 goto out_disable_pdev;
847
848 shost->irq = pdev->irq;
849 shost->base = pci_resource_start(pdev, 0);
850 shost->unique_id = unique_id;
7a8cf29d 851 shost->max_cmd_len = 16;
1da177e4
LT		 852
853 aac = (struct aac_dev *)shost->hostdata;
854 aac->scsi_host_ptr = shost;
855 aac->pdev = pdev;
856 aac->name = aac_driver_template.name;
857 aac->id = shost->unique_id;
858 aac->cardtype = index;
859 INIT_LIST_HEAD(&aac->entry);
860
7c00ffa3 861 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 862 if (!aac->fibs)
863 goto out_free_host;
864 spin_lock_init(&aac->fib_lock);
865
8e0c5ebd
MH		 866 /*
867 * Map in the registers from the adapter.
868 */
869 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
870 if ((aac->regs.sa = ioremap(
871 (unsigned long)aac->scsi_host_ptr->base, AAC_MIN_FOOTPRINT_SIZE))
872 == NULL) {
873 printk(KERN_WARNING "%s: unable to map adapter.\n",
874 AAC_DRIVERNAME);
1da177e4 875 goto out_free_fibs;
8e0c5ebd
MH		 876 }
877 if ((*aac_drivers[index].init)(aac))
878 goto out_unmap;
879
880 /*
881 * Start any kernel threads needed
882 */
fe27381d
CH		 883 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
884 if (IS_ERR(aac->thread)) {
8e0c5ebd 885 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
fe27381d 886 error = PTR_ERR(aac->thread);
8e0c5ebd
MH		 887 goto out_deinit;
888 }
1da177e4
LT		 889
890 /*
891 * If we had set a smaller DMA mask earlier, set it to 4gig
892 * now since the adapter can dma data to at least a 4gig
893 * address space.
894 */
895 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
71e0f32f
JB		 896 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
897 goto out_deinit;
898
84971738 899 aac->maximum_num_channels = aac_drivers[index].channels;
08efb7b6
MH		 900 error = aac_get_adapter_info(aac);
901 if (error < 0)
902 goto out_deinit;
1da177e4
LT		 903
904 /*
7c00ffa3
MH		 905 * Lets override negotiations and drop the maximum SG limit to 34
906 */
907 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
908 (aac->scsi_host_ptr->sg_tablesize > 34)) {
909 aac->scsi_host_ptr->sg_tablesize = 34;
910 aac->scsi_host_ptr->max_sectors
911 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
912 }
913
db39363c
MH		 914 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
915 (aac->scsi_host_ptr->sg_tablesize > 17)) {
916 aac->scsi_host_ptr->sg_tablesize = 17;
917 aac->scsi_host_ptr->max_sectors
918 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
919 }
920
7c00ffa3
MH		 921 /*
922 * Firware printf works only with older firmware.
923 */
924 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
925 aac->printf_enabled = 1;
926 else
927 aac->printf_enabled = 0;
928
929 /*
1da177e4 930 * max channel will be the physical channels plus 1 virtual channel
bb08f92e 931 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1da177e4
LT		 932 * physical channels are address by their actual physical number+1
933 */
653ba58d 934 if ((aac->nondasd_support == 1) || expose_physicals)
95433bad 935 shost->max_channel = aac->maximum_num_channels;
1da177e4 936 else
95433bad 937 shost->max_channel = 0;
1da177e4 938
8c867b25 939 aac_get_config_status(aac, 0);
1da177e4
LT		 940 aac_get_containers(aac);
941 list_add(&aac->entry, insert);
942
943 shost->max_id = aac->maximum_num_containers;
84971738
MH		 944 if (shost->max_id < aac->maximum_num_physicals)
945 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 946 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
947 shost->max_id = MAXIMUM_NUM_CONTAINERS;
948 else
949 shost->this_id = shost->max_id;
950
951 /*
952 * dmb - we may need to move the setting of these parms somewhere else once
953 * we get a fib that can report the actual numbers
954 */
955 shost->max_lun = AAC_MAX_LUN;
956
957 pci_set_drvdata(pdev, shost);
958
959 error = scsi_add_host(shost, &pdev->dev);
960 if (error)
961 goto out_deinit;
962 scsi_scan_host(shost);
963
964 return 0;
965
bd1aac80 966 out_deinit:
fe27381d 967 kthread_stop(aac->thread);
1da177e4 968 aac_send_shutdown(aac);
bd1aac80 969 aac_adapter_disable_int(aac);
8e0c5ebd
MH		 970 free_irq(pdev->irq, aac);
971 out_unmap:
bfb35aa8 972 aac_fib_map_free(aac);
1da177e4
LT		 973 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
974 kfree(aac->queues);
1da177e4
LT		 975 iounmap(aac->regs.sa);
976 out_free_fibs:
977 kfree(aac->fibs);
978 kfree(aac->fsa_dev);
979 out_free_host:
980 scsi_host_put(shost);
981 out_disable_pdev:
982 pci_disable_device(pdev);
983 out:
984 return error;
985}
986
bd1aac80
MH		 987static void aac_shutdown(struct pci_dev *dev)
988{
989 struct Scsi_Host *shost = pci_get_drvdata(dev);
990 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
991 aac_send_shutdown(aac);
992}
993
1da177e4
LT		 994static void __devexit aac_remove_one(struct pci_dev *pdev)
995{
996 struct Scsi_Host *shost = pci_get_drvdata(pdev);
997 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
998
999 scsi_remove_host(shost);
1000
fe27381d 1001 kthread_stop(aac->thread);
1da177e4
LT		 1002
1003 aac_send_shutdown(aac);
bd1aac80 1004 aac_adapter_disable_int(aac);
bfb35aa8 1005 aac_fib_map_free(aac);
1da177e4
LT		 1006 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1007 aac->comm_phys);
1008 kfree(aac->queues);
1009
1010 free_irq(pdev->irq, aac);
1011 iounmap(aac->regs.sa);
1012
1013 kfree(aac->fibs);
8e0c5ebd 1014 kfree(aac->fsa_dev);
1da177e4
LT		 1015
1016 list_del(&aac->entry);
1017 scsi_host_put(shost);
1018 pci_disable_device(pdev);
90ee3466
MH		 1019 if (list_empty(&aac_devices)) {
1020 unregister_chrdev(aac_cfg_major, "aac");
1021 aac_cfg_major = -1;
1022 }
1da177e4
LT		 1023}
1024
1025static struct pci_driver aac_pci_driver = {
1026 .name = AAC_DRIVERNAME,
1027 .id_table = aac_pci_tbl,
1028 .probe = aac_probe_one,
1029 .remove = __devexit_p(aac_remove_one),
bd1aac80 1030 .shutdown = aac_shutdown,
1da177e4
LT		 1031};
1032
1033static int __init aac_init(void)
1034{
1035 int error;
1036
c7f47602
MH		 1037 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1038 AAC_DRIVERNAME, aac_driver_version);
1da177e4 1039
08efb7b6
MH		 1040 error = pci_register_driver(&aac_pci_driver);
1041 if (error < 0)
1da177e4
LT		 1042 return error;
1043
1044 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1045 if (aac_cfg_major < 0) {
1046 printk(KERN_WARNING
1047 "aacraid: unable to register \"aac\" device.\n");
1048 }
bd1aac80 1049
1da177e4
LT		 1050 return 0;
1051}
1052
1053static void __exit aac_exit(void)
1054{
53926274
MH		 1055 if (aac_cfg_major > -1)
1056 unregister_chrdev(aac_cfg_major, "aac");
1da177e4
LT		 1057 pci_unregister_driver(&aac_pci_driver);
1058}
1059
1060module_init(aac_init);
1061module_exit(aac_exit);
Linux 6.x block layer and io_uring tree(s)