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[SCSI] aacraid: check buffer address in aac_internal_transfer
[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 *
03d44337 8 * Copyright (c) 2000-2007 Adaptec, Inc. (aacraid@adaptec.com)
1da177e4
LT		 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) */
8e9d58e7
SM		 120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
84971738
MH		 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) */
8e9d58e7 140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
8e87c2f1
MH		 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) */
8e9d58e7 145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
8e87c2f1
MH		 146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
8e9d58e7 148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
84971738 149
8e87c2f1
MH		 150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
84971738 155
8e87c2f1
MH		 156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
239eab19 160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
1da177e4
LT		 161 { 0,}
162};
163MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
164
165/*
166 * dmb - For now we add the number of channels to this structure.
167 * In the future we should add a fib that reports the number of channels
168 * for the card. At that time we can remove the channels from here
169 */
170static struct aac_driver_ident aac_drivers[] = {
171 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 2/Si (Iguana/PERC2Si) */
172 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Opal/PERC3Di) */
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Si (SlimFast/PERC3Si */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Viper/PERC3DiV) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Lexus/PERC3DiL) */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Dagger/PERC3DiD) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* PERC 3/Di (Boxster/PERC3DiB) */
180 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* catapult */
181 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* tomcat */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan-2m) */
185 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S220 (Legend Crusader) */
186 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend S230 (Legend Vulcan) */
187
188 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
189 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
190 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
192 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
193 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
8e9d58e7
SM		 197 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
198 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
84971738
MH		 199 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
75c3628d 201 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
8e87c2f1
MH		 202 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
203 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
84971738 205 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 206 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
207 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
208 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
db39363c
MH		 209 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
210 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
1da177e4
LT		 213 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
8e9d58e7 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
84971738 217 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 218 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
219 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
8e9d58e7 220 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
1da177e4
LT		 221 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
8e9d58e7 223 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
1da177e4
LT		 224
225 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
226 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
227 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
228 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell PERC2/QC */
229 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
230
231 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
232 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
233 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
239eab19
MH		 234 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
235 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec NEMER/ARK Catch All */
1da177e4
LT		 236};
237
238/**
239 * aac_queuecommand - queue a SCSI command
240 * @cmd: SCSI command to queue
241 * @done: Function to call on command completion
242 *
243 * Queues a command for execution by the associated Host Adapter.
244 *
245 * TODO: unify with aac_scsi_cmd().
246 */
247
248static int aac_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
249{
03d44337
MH		 250 struct Scsi_Host *host = cmd->device->host;
251 struct aac_dev *dev = (struct aac_dev *)host->hostdata;
252 u32 count = 0;
253 cmd->scsi_done = done;
254 for (; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
255 struct fib * fib = &dev->fibs[count];
256 struct scsi_cmnd * command;
257 if (fib->hw_fib_va->header.XferState &&
258 ((command = fib->callback_data)) &&
259 (command == cmd) &&
260 (cmd->SCp.phase == AAC_OWNER_FIRMWARE))
261 return 0; /* Already owned by Adapter */
262 }
1da177e4 263 cmd->scsi_done = done;
77d644d4 264 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
1da177e4
LT		 265 return (aac_scsi_cmd(cmd) ? FAILED : 0);
266}
267
268/**
269 * aac_info - Returns the host adapter name
270 * @shost: Scsi host to report on
271 *
272 * Returns a static string describing the device in question
273 */
274
4833869e 275static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 276{
277 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
278 return aac_drivers[dev->cardtype].name;
279}
280
281/**
282 * aac_get_driver_ident
283 * @devtype: index into lookup table
284 *
285 * Returns a pointer to the entry in the driver lookup table.
286 */
287
288struct aac_driver_ident* aac_get_driver_ident(int devtype)
289{
290 return &aac_drivers[devtype];
291}
292
293/**
294 * aac_biosparm - return BIOS parameters for disk
295 * @sdev: The scsi device corresponding to the disk
296 * @bdev: the block device corresponding to the disk
297 * @capacity: the sector capacity of the disk
298 * @geom: geometry block to fill in
299 *
300 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
301 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
302 * number of cylinders so as not to exceed drive capacity. In order for
303 * disks equal to or larger than 1 GB to be addressable by the BIOS
304 * without exceeding the BIOS limitation of 1024 cylinders, Extended
305 * Translation should be enabled. With Extended Translation enabled,
306 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
307 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
308 * are given a disk geometry of 255 heads and 63 sectors. However, if
309 * the BIOS detects that the Extended Translation setting does not match
310 * the geometry in the partition table, then the translation inferred
311 * from the partition table will be used by the BIOS, and a warning may
312 * be displayed.
313 */
314
315static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
316 sector_t capacity, int *geom)
317{
318 struct diskparm *param = (struct diskparm *)geom;
319 unsigned char *buf;
320
321 dprintk((KERN_DEBUG "aac_biosparm.\n"));
322
323 /*
324 * Assuming extended translation is enabled - #REVISIT#
325 */
326 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
327 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
328 param->heads = 255;
329 param->sectors = 63;
330 } else {
331 param->heads = 128;
332 param->sectors = 32;
333 }
334 } else {
335 param->heads = 64;
336 param->sectors = 32;
337 }
338
339 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
340
341 /*
342 * Read the first 1024 bytes from the disk device, if the boot
343 * sector partition table is valid, search for a partition table
344 * entry whose end_head matches one of the standard geometry
345 * translations ( 64/32, 128/32, 255/63 ).
346 */
347 buf = scsi_bios_ptable(bdev);
8bdf810f
MH		 348 if (!buf)
349 return 0;
56b58712 350 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 351 struct partition *first = (struct partition * )buf;
352 struct partition *entry = first;
353 int saved_cylinders = param->cylinders;
354 int num;
355 unsigned char end_head, end_sec;
356
357 for(num = 0; num < 4; num++) {
358 end_head = entry->end_head;
359 end_sec = entry->end_sector & 0x3f;
360
361 if(end_head == 63) {
362 param->heads = 64;
363 param->sectors = 32;
364 break;
365 } else if(end_head == 127) {
366 param->heads = 128;
367 param->sectors = 32;
368 break;
369 } else if(end_head == 254) {
370 param->heads = 255;
371 param->sectors = 63;
372 break;
373 }
374 entry++;
375 }
376
377 if (num == 4) {
378 end_head = first->end_head;
379 end_sec = first->end_sector & 0x3f;
380 }
381
382 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
383 if (num < 4 && end_sec == param->sectors) {
384 if (param->cylinders != saved_cylinders)
385 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
386 param->heads, param->sectors, num));
387 } else if (end_head > 0 || end_sec > 0) {
388 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
389 end_head + 1, end_sec, num));
390 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
391 param->heads, param->sectors));
392 }
393 }
394 kfree(buf);
395 return 0;
396}
397
398/**
399 * aac_slave_configure - compute queue depths
400 * @sdev: SCSI device we are considering
401 *
402 * Selects queue depths for each target device based on the host adapter's
403 * total capacity and the queue depth supported by the target device.
404 * A queue depth of one automatically disables tagged queueing.
405 */
406
407static int aac_slave_configure(struct scsi_device *sdev)
408{
d8a57113
MH		 409 if (sdev_channel(sdev) == CONTAINER_CHANNEL) {
410 sdev->skip_ms_page_8 = 1;
411 sdev->skip_ms_page_3f = 1;
412 }
bb08f92e
MH		 413 if ((sdev->type == TYPE_DISK) &&
414 (sdev_channel(sdev) != CONTAINER_CHANNEL)) {
e37ee4be
MH		 415 if (expose_physicals == 0)
416 return -ENXIO;
417 if (expose_physicals < 0) {
418 struct aac_dev *aac =
419 (struct aac_dev *)sdev->host->hostdata;
420 if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
421 sdev->no_uld_attach = 1;
422 }
bb08f92e
MH		 423 }
424 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
425 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
426 struct scsi_device * dev;
427 struct Scsi_Host *host = sdev->host;
428 unsigned num_lsu = 0;
429 unsigned num_one = 0;
430 unsigned depth;
7c00ffa3 431
bb08f92e
MH		 432 __shost_for_each_device(dev, host) {
433 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
434 (sdev_channel(dev) == CONTAINER_CHANNEL))
435 ++num_lsu;
436 else
437 ++num_one;
438 }
439 if (num_lsu == 0)
440 ++num_lsu;
441 depth = (host->can_queue - num_one) / num_lsu;
442 if (depth > 256)
443 depth = 256;
444 else if (depth < 2)
445 depth = 2;
446 scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, depth);
447 if (!(((struct aac_dev *)host->hostdata)->adapter_info.options &
448 AAC_OPT_NEW_COMM))
449 blk_queue_max_segment_size(sdev->request_queue, 65536);
450 } else
1da177e4 451 scsi_adjust_queue_depth(sdev, 0, 1);
7c00ffa3 452
1da177e4
LT		 453 return 0;
454}
455
456static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
457{
458 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
459 return aac_do_ioctl(dev, cmd, arg);
460}
461
03d44337
MH		 462static int aac_eh_abort(struct scsi_cmnd* cmd)
463{
464 struct Scsi_Host * host = cmd->device->host;
465 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
466 int count;
467 int ret = FAILED;
468
469 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%d)\n",
470 AAC_DRIVERNAME,
471 cmd->device->host->host_no, sdev_channel(cmd->device),
472 sdev_id(cmd->device), cmd->device->lun);
473 switch (cmd->cmnd[0]) {
474 case SERVICE_ACTION_IN:
475 if (!(aac->raw_io_interface) ||
476 !(aac->raw_io_64) ||
477 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
478 break;
479 case INQUIRY:
480 case READ_CAPACITY:
481 case TEST_UNIT_READY:
482 /* Mark associated FIB to not complete, eh handler does this */
483 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
484 struct fib * fib = &aac->fibs[count];
485 if (fib->hw_fib_va->header.XferState &&
486 (fib->callback_data == cmd)) {
487 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
488 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
489 ret = SUCCESS;
490 }
491 }
492 }
493 return ret;
494}
495
1da177e4
LT		 496/*
497 * aac_eh_reset - Reset command handling
498 * @scsi_cmd: SCSI command block causing the reset
499 *
500 */
501static int aac_eh_reset(struct scsi_cmnd* cmd)
502{
503 struct scsi_device * dev = cmd->device;
504 struct Scsi_Host * host = dev->host;
505 struct scsi_cmnd * command;
506 int count;
03d44337 507 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1da177e4
LT		 508 unsigned long flags;
509
03d44337
MH		 510 /* Mark the associated FIB to not complete, eh handler does this */
511 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
512 struct fib * fib = &aac->fibs[count];
513 if (fib->hw_fib_va->header.XferState &&
514 (fib->callback_data == cmd)) {
515 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
516 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
517 }
518 }
1da177e4
LT		 519 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
520 AAC_DRIVERNAME);
8c867b25
MH		 521
522 if ((count = aac_check_health(aac)))
523 return count;
1da177e4
LT		 524 /*
525 * Wait for all commands to complete to this specific
526 * target (block maximum 60 seconds).
527 */
528 for (count = 60; count; --count) {
8c867b25
MH		 529 int active = aac->in_reset;
530
531 if (active == 0)
1da177e4
LT		 532 __shost_for_each_device(dev, host) {
533 spin_lock_irqsave(&dev->list_lock, flags);
534 list_for_each_entry(command, &dev->cmd_list, list) {
77d644d4
MH		 535 if ((command != cmd) &&
536 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
1da177e4
LT		 537 active++;
538 break;
539 }
540 }
541 spin_unlock_irqrestore(&dev->list_lock, flags);
542 if (active)
543 break;
544
545 }
546 /*
547 * We can exit If all the commands are complete
548 */
549 if (active == 0)
550 return SUCCESS;
1da177e4 551 ssleep(1);
1da177e4
LT		 552 }
553 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
03d44337 554 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
1da177e4
LT		 555}
556
557/**
558 * aac_cfg_open - open a configuration file
559 * @inode: inode being opened
560 * @file: file handle attached
561 *
562 * Called when the configuration device is opened. Does the needed
563 * set up on the handle and then returns
564 *
565 * Bugs: This needs extending to check a given adapter is present
566 * so we can support hot plugging, and to ref count adapters.
567 */
568
569static int aac_cfg_open(struct inode *inode, struct file *file)
570{
571 struct aac_dev *aac;
7c00ffa3 572 unsigned minor_number = iminor(inode);
1da177e4
LT		 573 int err = -ENODEV;
574
575 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 576 if (aac->id == minor_number) {
1da177e4
LT		 577 file->private_data = aac;
578 err = 0;
579 break;
580 }
581 }
582
036d6184 583 return err;
1da177e4
LT		 584}
585
586/**
587 * aac_cfg_ioctl - AAC configuration request
588 * @inode: inode of device
589 * @file: file handle
590 * @cmd: ioctl command code
591 * @arg: argument
592 *
593 * Handles a configuration ioctl. Currently this involves wrapping it
594 * up and feeding it into the nasty windowsalike glue layer.
595 *
596 * Bugs: Needs locking against parallel ioctls lower down
597 * Bugs: Needs to handle hot plugging
598 */
599
600static int aac_cfg_ioctl(struct inode *inode, struct file *file,
601 unsigned int cmd, unsigned long arg)
602{
603 return aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
604}
605
606#ifdef CONFIG_COMPAT
607static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
608{
609 long ret;
610 lock_kernel();
611 switch (cmd) {
612 case FSACTL_MINIPORT_REV_CHECK:
613 case FSACTL_SENDFIB:
614 case FSACTL_OPEN_GET_ADAPTER_FIB:
615 case FSACTL_CLOSE_GET_ADAPTER_FIB:
616 case FSACTL_SEND_RAW_SRB:
617 case FSACTL_GET_PCI_INFO:
618 case FSACTL_QUERY_DISK:
619 case FSACTL_DELETE_DISK:
620 case FSACTL_FORCE_DELETE_DISK:
621 case FSACTL_GET_CONTAINERS:
7c00ffa3 622 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 623 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
624 break;
625
626 case FSACTL_GET_NEXT_ADAPTER_FIB: {
627 struct fib_ioctl __user *f;
628
629 f = compat_alloc_user_space(sizeof(*f));
630 ret = 0;
821499a8 631 if (clear_user(f, sizeof(*f)))
1da177e4
LT		 632 ret = -EFAULT;
633 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
634 ret = -EFAULT;
635 if (!ret)
3d2f98a6 636 ret = aac_do_ioctl(dev, cmd, f);
1da177e4
LT		 637 break;
638 }
639
640 default:
641 ret = -ENOIOCTLCMD;
642 break;
643 }
644 unlock_kernel();
645 return ret;
646}
647
648static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
649{
650 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
651 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
652}
653
654static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
655{
656 return aac_compat_do_ioctl((struct aac_dev *)file->private_data, cmd, arg);
657}
658#endif
659
0bb14afe
MH		 660static ssize_t aac_show_model(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;
665
7686f132
MH		 666 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
667 char * cp = dev->supplement_adapter_info.AdapterTypeText;
668 while (*cp && *cp != ' ')
669 ++cp;
670 while (*cp == ' ')
671 ++cp;
672 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
673 } else
674 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 675 aac_drivers[dev->cardtype].model);
676 return len;
677}
678
679static ssize_t aac_show_vendor(struct class_device *class_dev,
680 char *buf)
681{
682 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
683 int len;
684
7686f132
MH		 685 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
686 char * cp = dev->supplement_adapter_info.AdapterTypeText;
687 while (*cp && *cp != ' ')
688 ++cp;
689 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
690 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
691 dev->supplement_adapter_info.AdapterTypeText);
692 } else
693 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 694 aac_drivers[dev->cardtype].vname);
695 return len;
696}
697
698static ssize_t aac_show_kernel_version(struct class_device *class_dev,
699 char *buf)
700{
701 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
702 int len, tmp;
703
704 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
705 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
706 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
707 le32_to_cpu(dev->adapter_info.kernelbuild));
708 return len;
709}
710
711static ssize_t aac_show_monitor_version(struct class_device *class_dev,
712 char *buf)
713{
714 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
715 int len, tmp;
716
717 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
718 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
719 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
720 le32_to_cpu(dev->adapter_info.monitorbuild));
721 return len;
722}
723
724static ssize_t aac_show_bios_version(struct class_device *class_dev,
725 char *buf)
726{
727 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
728 int len, tmp;
729
730 tmp = le32_to_cpu(dev->adapter_info.biosrev);
731 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
732 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
733 le32_to_cpu(dev->adapter_info.biosbuild));
734 return len;
735}
736
737static ssize_t aac_show_serial_number(struct class_device *class_dev,
738 char *buf)
739{
740 struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
741 int len = 0;
742
743 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
744 len = snprintf(buf, PAGE_SIZE, "%x\n",
745 le32_to_cpu(dev->adapter_info.serial[0]));
746 return len;
747}
748
d1ad94ad
MH		 749static ssize_t aac_show_max_channel(struct class_device *class_dev, char *buf)
750{
751 return snprintf(buf, PAGE_SIZE, "%d\n",
752 class_to_shost(class_dev)->max_channel);
753}
754
755static ssize_t aac_show_max_id(struct class_device *class_dev, char *buf)
756{
757 return snprintf(buf, PAGE_SIZE, "%d\n",
758 class_to_shost(class_dev)->max_id);
759}
760
0bb14afe
MH		 761
762static struct class_device_attribute aac_model = {
763 .attr = {
764 .name = "model",
765 .mode = S_IRUGO,
766 },
767 .show = aac_show_model,
768};
769static struct class_device_attribute aac_vendor = {
770 .attr = {
771 .name = "vendor",
772 .mode = S_IRUGO,
773 },
774 .show = aac_show_vendor,
775};
776static struct class_device_attribute aac_kernel_version = {
777 .attr = {
778 .name = "hba_kernel_version",
779 .mode = S_IRUGO,
780 },
781 .show = aac_show_kernel_version,
782};
783static struct class_device_attribute aac_monitor_version = {
784 .attr = {
785 .name = "hba_monitor_version",
786 .mode = S_IRUGO,
787 },
788 .show = aac_show_monitor_version,
789};
790static struct class_device_attribute aac_bios_version = {
791 .attr = {
792 .name = "hba_bios_version",
793 .mode = S_IRUGO,
794 },
795 .show = aac_show_bios_version,
796};
797static struct class_device_attribute aac_serial_number = {
798 .attr = {
799 .name = "serial_number",
800 .mode = S_IRUGO,
801 },
802 .show = aac_show_serial_number,
803};
d1ad94ad
MH		 804static struct class_device_attribute aac_max_channel = {
805 .attr = {
806 .name = "max_channel",
807 .mode = S_IRUGO,
808 },
809 .show = aac_show_max_channel,
810};
811static struct class_device_attribute aac_max_id = {
812 .attr = {
813 .name = "max_id",
814 .mode = S_IRUGO,
815 },
816 .show = aac_show_max_id,
817};
0bb14afe
MH		 818
819static struct class_device_attribute *aac_attrs[] = {
820 &aac_model,
821 &aac_vendor,
822 &aac_kernel_version,
823 &aac_monitor_version,
824 &aac_bios_version,
825 &aac_serial_number,
d1ad94ad
MH		 826 &aac_max_channel,
827 &aac_max_id,
0bb14afe
MH		 828 NULL
829};
830
831
00977a59 832static const struct file_operations aac_cfg_fops = {
1da177e4
LT		 833 .owner = THIS_MODULE,
834 .ioctl = aac_cfg_ioctl,
835#ifdef CONFIG_COMPAT
836 .compat_ioctl = aac_compat_cfg_ioctl,
837#endif
838 .open = aac_cfg_open,
839};
840
841static struct scsi_host_template aac_driver_template = {
842 .module = THIS_MODULE,
843 .name = "AAC",
7c00ffa3 844 .proc_name = AAC_DRIVERNAME,
1da177e4
LT		 845 .info = aac_info,
846 .ioctl = aac_ioctl,
847#ifdef CONFIG_COMPAT
848 .compat_ioctl = aac_compat_ioctl,
849#endif
850 .queuecommand = aac_queuecommand,
851 .bios_param = aac_biosparm,
0bb14afe 852 .shost_attrs = aac_attrs,
1da177e4 853 .slave_configure = aac_slave_configure,
03d44337 854 .eh_abort_handler = aac_eh_abort,
1da177e4
LT		 855 .eh_host_reset_handler = aac_eh_reset,
856 .can_queue = AAC_NUM_IO_FIB,
84971738 857 .this_id = MAXIMUM_NUM_CONTAINERS,
1da177e4
LT		 858 .sg_tablesize = 16,
859 .max_sectors = 128,
860#if (AAC_NUM_IO_FIB > 256)
861 .cmd_per_lun = 256,
862#else
863 .cmd_per_lun = AAC_NUM_IO_FIB,
864#endif
865 .use_clustering = ENABLE_CLUSTERING,
1241f359 866 .emulated = 1,
1da177e4
LT		 867};
868
1da177e4
LT		 869static int __devinit aac_probe_one(struct pci_dev *pdev,
870 const struct pci_device_id *id)
871{
872 unsigned index = id->driver_data;
873 struct Scsi_Host *shost;
874 struct aac_dev *aac;
875 struct list_head *insert = &aac_devices;
876 int error = -ENODEV;
877 int unique_id = 0;
878
879 list_for_each_entry(aac, &aac_devices, entry) {
880 if (aac->id > unique_id)
881 break;
882 insert = &aac->entry;
883 unique_id++;
884 }
885
08efb7b6
MH		 886 error = pci_enable_device(pdev);
887 if (error)
1da177e4 888 goto out;
e61b17fd 889 error = -ENODEV;
1da177e4 890
71e0f32f
JB		 891 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
892 pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK))
e61b17fd 893 goto out_disable_pdev;
1da177e4
LT		 894 /*
895 * If the quirk31 bit is set, the adapter needs adapter
896 * to driver communication memory to be allocated below 2gig
897 */
898 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
910638ae
MG		 899 if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
900 pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
e61b17fd 901 goto out_disable_pdev;
1da177e4
LT		 902
903 pci_set_master(pdev);
904
905 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
906 if (!shost)
907 goto out_disable_pdev;
908
909 shost->irq = pdev->irq;
910 shost->base = pci_resource_start(pdev, 0);
911 shost->unique_id = unique_id;
7a8cf29d 912 shost->max_cmd_len = 16;
1da177e4
LT		 913
914 aac = (struct aac_dev *)shost->hostdata;
915 aac->scsi_host_ptr = shost;
916 aac->pdev = pdev;
917 aac->name = aac_driver_template.name;
918 aac->id = shost->unique_id;
919 aac->cardtype = index;
920 INIT_LIST_HEAD(&aac->entry);
921
7c00ffa3 922 aac->fibs = kmalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 923 if (!aac->fibs)
924 goto out_free_host;
925 spin_lock_init(&aac->fib_lock);
926
8e0c5ebd
MH		 927 /*
928 * Map in the registers from the adapter.
929 */
930 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
8e0c5ebd
MH		 931 if ((*aac_drivers[index].init)(aac))
932 goto out_unmap;
933
934 /*
935 * Start any kernel threads needed
936 */
fe27381d
CH		 937 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
938 if (IS_ERR(aac->thread)) {
8e0c5ebd 939 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
fe27381d 940 error = PTR_ERR(aac->thread);
8e0c5ebd
MH		 941 goto out_deinit;
942 }
1da177e4
LT		 943
944 /*
945 * If we had set a smaller DMA mask earlier, set it to 4gig
946 * now since the adapter can dma data to at least a 4gig
947 * address space.
948 */
949 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
71e0f32f
JB		 950 if (pci_set_dma_mask(pdev, DMA_32BIT_MASK))
951 goto out_deinit;
952
84971738 953 aac->maximum_num_channels = aac_drivers[index].channels;
08efb7b6
MH		 954 error = aac_get_adapter_info(aac);
955 if (error < 0)
956 goto out_deinit;
1da177e4
LT		 957
958 /*
7c00ffa3
MH		 959 * Lets override negotiations and drop the maximum SG limit to 34
960 */
961 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
962 (aac->scsi_host_ptr->sg_tablesize > 34)) {
963 aac->scsi_host_ptr->sg_tablesize = 34;
964 aac->scsi_host_ptr->max_sectors
965 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
966 }
967
db39363c
MH		 968 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
969 (aac->scsi_host_ptr->sg_tablesize > 17)) {
970 aac->scsi_host_ptr->sg_tablesize = 17;
971 aac->scsi_host_ptr->max_sectors
972 = (aac->scsi_host_ptr->sg_tablesize * 8) + 112;
973 }
974
7c00ffa3
MH		 975 /*
976 * Firware printf works only with older firmware.
977 */
978 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
979 aac->printf_enabled = 1;
980 else
981 aac->printf_enabled = 0;
982
983 /*
1da177e4 984 * max channel will be the physical channels plus 1 virtual channel
bb08f92e 985 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1da177e4
LT		 986 * physical channels are address by their actual physical number+1
987 */
653ba58d 988 if ((aac->nondasd_support == 1) || expose_physicals)
95433bad 989 shost->max_channel = aac->maximum_num_channels;
1da177e4 990 else
95433bad 991 shost->max_channel = 0;
1da177e4 992
8c867b25 993 aac_get_config_status(aac, 0);
1da177e4
LT		 994 aac_get_containers(aac);
995 list_add(&aac->entry, insert);
996
997 shost->max_id = aac->maximum_num_containers;
84971738
MH		 998 if (shost->max_id < aac->maximum_num_physicals)
999 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 1000 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1001 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1002 else
1003 shost->this_id = shost->max_id;
1004
1005 /*
1006 * dmb - we may need to move the setting of these parms somewhere else once
1007 * we get a fib that can report the actual numbers
1008 */
1009 shost->max_lun = AAC_MAX_LUN;
1010
1011 pci_set_drvdata(pdev, shost);
1012
1013 error = scsi_add_host(shost, &pdev->dev);
1014 if (error)
1015 goto out_deinit;
1016 scsi_scan_host(shost);
1017
1018 return 0;
1019
bd1aac80 1020 out_deinit:
fe27381d 1021 kthread_stop(aac->thread);
1da177e4 1022 aac_send_shutdown(aac);
bd1aac80 1023 aac_adapter_disable_int(aac);
8e0c5ebd
MH		 1024 free_irq(pdev->irq, aac);
1025 out_unmap:
bfb35aa8 1026 aac_fib_map_free(aac);
1da177e4
LT		 1027 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
1028 kfree(aac->queues);
76a7f8fd 1029 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 1030 kfree(aac->fibs);
1031 kfree(aac->fsa_dev);
1032 out_free_host:
1033 scsi_host_put(shost);
1034 out_disable_pdev:
1035 pci_disable_device(pdev);
1036 out:
1037 return error;
1038}
1039
bd1aac80
MH		 1040static void aac_shutdown(struct pci_dev *dev)
1041{
1042 struct Scsi_Host *shost = pci_get_drvdata(dev);
1043 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1044 aac_send_shutdown(aac);
1045}
1046
1da177e4
LT		 1047static void __devexit aac_remove_one(struct pci_dev *pdev)
1048{
1049 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1050 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1051
1052 scsi_remove_host(shost);
1053
fe27381d 1054 kthread_stop(aac->thread);
1da177e4
LT		 1055
1056 aac_send_shutdown(aac);
bd1aac80 1057 aac_adapter_disable_int(aac);
bfb35aa8 1058 aac_fib_map_free(aac);
1da177e4
LT		 1059 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1060 aac->comm_phys);
1061 kfree(aac->queues);
1062
1063 free_irq(pdev->irq, aac);
76a7f8fd 1064 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 1065
1066 kfree(aac->fibs);
8e0c5ebd 1067 kfree(aac->fsa_dev);
1da177e4
LT		 1068
1069 list_del(&aac->entry);
1070 scsi_host_put(shost);
1071 pci_disable_device(pdev);
90ee3466
MH		 1072 if (list_empty(&aac_devices)) {
1073 unregister_chrdev(aac_cfg_major, "aac");
1074 aac_cfg_major = -1;
1075 }
1da177e4
LT		 1076}
1077
1078static struct pci_driver aac_pci_driver = {
1079 .name = AAC_DRIVERNAME,
1080 .id_table = aac_pci_tbl,
1081 .probe = aac_probe_one,
1082 .remove = __devexit_p(aac_remove_one),
bd1aac80 1083 .shutdown = aac_shutdown,
1da177e4
LT		 1084};
1085
1086static int __init aac_init(void)
1087{
1088 int error;
1089
c7f47602
MH		 1090 printk(KERN_INFO "Adaptec %s driver (%s)\n",
1091 AAC_DRIVERNAME, aac_driver_version);
1da177e4 1092
08efb7b6
MH		 1093 error = pci_register_driver(&aac_pci_driver);
1094 if (error < 0)
1da177e4
LT		 1095 return error;
1096
1097 aac_cfg_major = register_chrdev( 0, "aac", &aac_cfg_fops);
1098 if (aac_cfg_major < 0) {
1099 printk(KERN_WARNING
1100 "aacraid: unable to register \"aac\" device.\n");
1101 }
bd1aac80 1102
1da177e4
LT		 1103 return 0;
1104}
1105
1106static void __exit aac_exit(void)
1107{
53926274
MH		 1108 if (aac_cfg_major > -1)
1109 unregister_chrdev(aac_cfg_major, "aac");
1da177e4
LT		 1110 pci_unregister_driver(&aac_pci_driver);
1111}
1112
1113module_init(aac_init);
1114module_exit(aac_exit);
Linux 6.x block layer and io_uring tree(s)