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Merge 4.14.24 into android-4.14
[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / drivers / scsi / aacraid / linit.c
CommitLineData
1da177e4
LT		 1/*
2 * Adaptec AAC series RAID controller driver
fa195afe 3 * (c) Copyright 2001 Red Hat Inc.
1da177e4
LT		 4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
e8b12f0f 8 * Copyright (c) 2000-2010 Adaptec, Inc.
f4babba0
RAR		 9 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
1da177e4
LT		 11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
15 * any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
25 *
26 * Module Name:
27 * linit.c
28 *
29 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
30 */
31
1da177e4
LT		 32
33#include <linux/compat.h>
34#include <linux/blkdev.h>
35#include <linux/completion.h>
36#include <linux/init.h>
37#include <linux/interrupt.h>
38#include <linux/kernel.h>
39#include <linux/module.h>
40#include <linux/moduleparam.h>
41#include <linux/pci.h>
5c63f7f7 42#include <linux/aer.h>
cf16123c 43#include <linux/pci-aspm.h>
1da177e4 44#include <linux/slab.h>
c45d15d2 45#include <linux/mutex.h>
1da177e4
LT		 46#include <linux/spinlock.h>
47#include <linux/syscalls.h>
1da177e4 48#include <linux/delay.h>
fe27381d 49#include <linux/kthread.h>
1da177e4
LT		 50
51#include <scsi/scsi.h>
52#include <scsi/scsi_cmnd.h>
53#include <scsi/scsi_device.h>
54#include <scsi/scsi_host.h>
55#include <scsi/scsi_tcq.h>
56#include <scsi/scsicam.h>
57#include <scsi/scsi_eh.h>
58
59#include "aacraid.h"
60
0ba8fdae 61#define AAC_DRIVER_VERSION "1.2.1"
9a72f976
MH		 62#ifndef AAC_DRIVER_BRANCH
63#define AAC_DRIVER_BRANCH ""
64#endif
9a72f976
MH		 65#define AAC_DRIVERNAME "aacraid"
66
c7f47602
MH		 67#ifdef AAC_DRIVER_BUILD
68#define _str(x) #x
69#define str(x) _str(x)
70#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
71#else
571b16da 72#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
c7f47602 73#endif
1da177e4
LT		 74
75MODULE_AUTHOR("Red Hat Inc and Adaptec");
76MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
77 "Adaptec Advanced Raid Products, "
1241f359 78 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
1da177e4 79MODULE_LICENSE("GPL");
c7f47602 80MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
1da177e4 81
c45d15d2 82static DEFINE_MUTEX(aac_mutex);
1da177e4 83static LIST_HEAD(aac_devices);
b9fb54b4 84static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
c7f47602 85char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
1da177e4
LT		 86
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 */
6f039790 93static const struct pci_device_id aac_pci_tbl[] = {
1da177e4
LT		 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 */
11604612
MR		 161 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
162 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
163 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
1da177e4
LT		 164 { 0,}
165};
166MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168/*
8ce3eca4 169 * dmb - For now we add the number of channels to this structure.
1da177e4
LT		 170 * In the future we should add a fib that reports the number of channels
171 * for the card. At that time we can remove the channels from here
172 */
173static struct aac_driver_ident aac_drivers[] = {
94cf6ba1
SM		 174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
182 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
b21227c5
HG		 185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
94cf6ba1
SM		 187 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
189 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
1da177e4
LT		 190
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
194 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
8e9d58e7
SM		 200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
84971738
MH		 202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
75c3628d 204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
8e87c2f1
MH		 205 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
206 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
207 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
84971738 208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
1da177e4
LT		 209 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
db39363c
MH		 212 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
213 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
1da177e4
LT		 216 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
8e9d58e7 219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
84971738 220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
8e87c2f1
MH		 221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
222 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
8e9d58e7 223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
1da177e4
LT		 224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
225 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
8e9d58e7 226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
1da177e4
LT		 227
228 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
b27e66df 231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
1da177e4
LT		 232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
233
94cf6ba1
SM		 234 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
235 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
b27e66df 236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
239eab19 237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
e8b12f0f 238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
787ab6e9
HR		 239 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
1da177e4
LT		 242};
243
244/**
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
248 *
249 * Queues a command for execution by the associated Host Adapter.
250 *
251 * TODO: unify with aac_scsi_cmd().
8ce3eca4 252 */
1da177e4 253
ef616233
MR		 254static int aac_queuecommand(struct Scsi_Host *shost,
255 struct scsi_cmnd *cmd)
1da177e4 256{
ef616233 257 int r = 0;
77d644d4 258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
ef616233
MR		 259 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
260 return r;
8ce3eca4 261}
1da177e4
LT		 262
263/**
264 * aac_info - Returns the host adapter name
265 * @shost: Scsi host to report on
266 *
267 * Returns a static string describing the device in question
268 */
269
4833869e 270static const char *aac_info(struct Scsi_Host *shost)
1da177e4
LT		 271{
272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273 return aac_drivers[dev->cardtype].name;
274}
275
276/**
277 * aac_get_driver_ident
8ef22247 278 * @devtype: index into lookup table
1da177e4 279 *
8ef22247 280 * Returns a pointer to the entry in the driver lookup table.
1da177e4
LT		 281 */
282
283struct aac_driver_ident* aac_get_driver_ident(int devtype)
284{
285 return &aac_drivers[devtype];
286}
287
288/**
289 * aac_biosparm - return BIOS parameters for disk
290 * @sdev: The scsi device corresponding to the disk
291 * @bdev: the block device corresponding to the disk
292 * @capacity: the sector capacity of the disk
293 * @geom: geometry block to fill in
294 *
8ce3eca4
SM		 295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
297 * number of cylinders so as not to exceed drive capacity. In order for
1da177e4 298 * disks equal to or larger than 1 GB to be addressable by the BIOS
8ce3eca4
SM		 299 * without exceeding the BIOS limitation of 1024 cylinders, Extended
300 * Translation should be enabled. With Extended Translation enabled,
301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303 * are given a disk geometry of 255 heads and 63 sectors. However, if
304 * the BIOS detects that the Extended Translation setting does not match
305 * the geometry in the partition table, then the translation inferred
306 * from the partition table will be used by the BIOS, and a warning may
1da177e4
LT		 307 * be displayed.
308 */
8ce3eca4 309
1da177e4
LT		 310static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311 sector_t capacity, int *geom)
312{
313 struct diskparm *param = (struct diskparm *)geom;
314 unsigned char *buf;
315
316 dprintk((KERN_DEBUG "aac_biosparm.\n"));
317
318 /*
319 * Assuming extended translation is enabled - #REVISIT#
320 */
321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
323 param->heads = 255;
324 param->sectors = 63;
325 } else {
326 param->heads = 128;
327 param->sectors = 32;
328 }
329 } else {
330 param->heads = 64;
331 param->sectors = 32;
332 }
333
334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335
8ce3eca4 336 /*
1da177e4
LT		 337 * Read the first 1024 bytes from the disk device, if the boot
338 * sector partition table is valid, search for a partition table
8ce3eca4 339 * entry whose end_head matches one of the standard geometry
1da177e4
LT		 340 * translations ( 64/32, 128/32, 255/63 ).
341 */
342 buf = scsi_bios_ptable(bdev);
8bdf810f
MH		 343 if (!buf)
344 return 0;
56b58712 345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
1da177e4
LT		 346 struct partition *first = (struct partition * )buf;
347 struct partition *entry = first;
348 int saved_cylinders = param->cylinders;
349 int num;
350 unsigned char end_head, end_sec;
351
352 for(num = 0; num < 4; num++) {
353 end_head = entry->end_head;
354 end_sec = entry->end_sector & 0x3f;
355
356 if(end_head == 63) {
357 param->heads = 64;
358 param->sectors = 32;
359 break;
360 } else if(end_head == 127) {
361 param->heads = 128;
362 param->sectors = 32;
363 break;
364 } else if(end_head == 254) {
365 param->heads = 255;
366 param->sectors = 63;
367 break;
368 }
369 entry++;
370 }
371
372 if (num == 4) {
373 end_head = first->end_head;
374 end_sec = first->end_sector & 0x3f;
375 }
376
377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378 if (num < 4 && end_sec == param->sectors) {
379 if (param->cylinders != saved_cylinders)
380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381 param->heads, param->sectors, num));
382 } else if (end_head > 0 || end_sec > 0) {
383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384 end_head + 1, end_sec, num));
385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386 param->heads, param->sectors));
387 }
388 }
389 kfree(buf);
390 return 0;
391}
392
393/**
394 * aac_slave_configure - compute queue depths
395 * @sdev: SCSI device we are considering
396 *
397 * Selects queue depths for each target device based on the host adapter's
398 * total capacity and the queue depth supported by the target device.
399 * A queue depth of one automatically disables tagged queueing.
400 */
401
402static int aac_slave_configure(struct scsi_device *sdev)
403{
b18268fc 404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
a052865f
RAR		 405 int chn, tid;
406 unsigned int depth = 0;
407 unsigned int set_timeout = 0;
58eaffe5
RAR		 408 bool set_qd_dev_type = false;
409 u8 devtype = 0;
a052865f
RAR		 410
411 chn = aac_logical_to_phys(sdev_channel(sdev));
412 tid = sdev_id(sdev);
58eaffe5
RAR		 413 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS && aac->sa_firmware) {
414 devtype = aac->hba_map[chn][tid].devtype;
415
416 if (devtype == AAC_DEVTYPE_NATIVE_RAW)
417 depth = aac->hba_map[chn][tid].qd_limit;
418 else if (devtype == AAC_DEVTYPE_ARC_RAW)
419 set_qd_dev_type = true;
420
a052865f
RAR		 421 set_timeout = 1;
422 goto common_config;
423 }
424
a4576b5d
MS		 425 if (aac->jbod && (sdev->type == TYPE_DISK))
426 sdev->removable = 1;
a052865f
RAR		 427
428 if (sdev->type == TYPE_DISK
429 && sdev_channel(sdev) != CONTAINER_CHANNEL
430 && (!aac->jbod || sdev->inq_periph_qual)
431 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
432
e37ee4be
MH		 433 if (expose_physicals == 0)
434 return -ENXIO;
a052865f 435
b18268fc
SM		 436 if (expose_physicals < 0)
437 sdev->no_uld_attach = 1;
bb08f92e 438 }
a052865f
RAR		 439
440 if (sdev->tagged_supported
441 && sdev->type == TYPE_DISK
442 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
443 && !sdev->no_uld_attach) {
444
bb08f92e
MH		 445 struct scsi_device * dev;
446 struct Scsi_Host *host = sdev->host;
447 unsigned num_lsu = 0;
448 unsigned num_one = 0;
b18268fc 449 unsigned cid;
7c00ffa3 450
a052865f
RAR		 451 set_timeout = 1;
452
b18268fc
SM		 453 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
454 if (aac->fsa_dev[cid].valid)
455 ++num_lsu;
a052865f 456
bb08f92e 457 __shost_for_each_device(dev, host) {
a052865f
RAR		 458 if (dev->tagged_supported
459 && dev->type == TYPE_DISK
460 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
461 && !dev->no_uld_attach) {
cb1042f2 462 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
a052865f 463 || !aac->fsa_dev[sdev_id(dev)].valid) {
b18268fc 464 ++num_lsu;
a052865f
RAR		 465 }
466 } else {
bb08f92e 467 ++num_one;
a052865f 468 }
bb08f92e 469 }
a052865f 470
bb08f92e
MH		 471 if (num_lsu == 0)
472 ++num_lsu;
7c00ffa3 473
a052865f 474 depth = (host->can_queue - num_one) / num_lsu;
d58129c9
RAR		 475
476 if (sdev_channel(sdev) != NATIVE_CHANNEL)
477 goto common_config;
478
58eaffe5
RAR		 479 set_qd_dev_type = true;
480
481 }
482
483common_config:
484
485 /*
486 * Check if SATA drive
487 */
488 if (set_qd_dev_type) {
d58129c9
RAR		 489 if (strncmp(sdev->vendor, "ATA", 3) == 0)
490 depth = 32;
491 else
492 depth = 64;
548f0e65 493 }
6bf3b630 494
a052865f
RAR		 495 /*
496 * Firmware has an individual device recovery time typically
497 * of 35 seconds, give us a margin.
498 */
499 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
500 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
501
502 if (depth > 256)
503 depth = 256;
504 else if (depth < 1)
505 depth = 1;
506
507 scsi_change_queue_depth(sdev, depth);
508
509 sdev->tagged_supported = 1;
510
1da177e4
LT		 511 return 0;
512}
513
5c9cfedd
SM		 514/**
515 * aac_change_queue_depth - alter queue depths
516 * @sdev: SCSI device we are considering
517 * @depth: desired queue depth
518 *
519 * Alters queue depths for target device based on the host adapter's
520 * total capacity and the queue depth supported by the target device.
521 */
522
db5ed4df 523static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
5c9cfedd 524{
a052865f
RAR		 525 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
526 int chn, tid, is_native_device = 0;
527
528 chn = aac_logical_to_phys(sdev_channel(sdev));
529 tid = sdev_id(sdev);
530 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
531 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
532 is_native_device = 1;
533
5c9cfedd
SM		 534 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
535 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
536 struct scsi_device * dev;
537 struct Scsi_Host *host = sdev->host;
538 unsigned num = 0;
539
540 __shost_for_each_device(dev, host) {
541 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
542 (sdev_channel(dev) == CONTAINER_CHANNEL))
543 ++num;
544 ++num;
545 }
546 if (num >= host->can_queue)
547 num = host->can_queue - 1;
548 if (depth > (host->can_queue - num))
549 depth = host->can_queue - num;
550 if (depth > 256)
551 depth = 256;
552 else if (depth < 2)
553 depth = 2;
db5ed4df 554 return scsi_change_queue_depth(sdev, depth);
a052865f
RAR		 555 } else if (is_native_device) {
556 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
557 } else {
558 scsi_change_queue_depth(sdev, 1);
db5ed4df 559 }
a052865f 560 return sdev->queue_depth;
5c9cfedd
SM		 561}
562
17eaacee
SM		 563static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
564{
95f6fb57
SM		 565 struct scsi_device *sdev = to_scsi_device(dev);
566 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
17eaacee
SM		 567 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
568 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
95f6fb57
SM		 569 ? "Hidden\n" :
570 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
17eaacee 571 return snprintf(buf, PAGE_SIZE, "%s\n",
95f6fb57 572 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
17eaacee
SM		 573}
574
575static struct device_attribute aac_raid_level_attr = {
576 .attr = {
577 .name = "level",
578 .mode = S_IRUGO,
579 },
580 .show = aac_show_raid_level
581};
582
999b3ffc
RAR		 583static ssize_t aac_show_unique_id(struct device *dev,
584 struct device_attribute *attr, char *buf)
585{
586 struct scsi_device *sdev = to_scsi_device(dev);
587 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
588 unsigned char sn[16];
589
590 memset(sn, 0, sizeof(sn));
591
592 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
593 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
594
595 return snprintf(buf, 16 * 2 + 2,
31364329 596 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
999b3ffc
RAR		 597 sn[0], sn[1], sn[2], sn[3],
598 sn[4], sn[5], sn[6], sn[7],
599 sn[8], sn[9], sn[10], sn[11],
600 sn[12], sn[13], sn[14], sn[15]);
601}
602
603static struct device_attribute aac_unique_id_attr = {
604 .attr = {
605 .name = "unique_id",
606 .mode = 0444,
607 },
608 .show = aac_show_unique_id
609};
610
611
612
17eaacee
SM		 613static struct device_attribute *aac_dev_attrs[] = {
614 &aac_raid_level_attr,
999b3ffc 615 &aac_unique_id_attr,
17eaacee
SM		 616 NULL,
617};
618
1da177e4
LT		 619static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
620{
621 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
d496f94d
AC		 622 if (!capable(CAP_SYS_RAWIO))
623 return -EPERM;
1da177e4
LT		 624 return aac_do_ioctl(dev, cmd, arg);
625}
626
895dc759
RAR		 627static int get_num_of_incomplete_fibs(struct aac_dev *aac)
628{
629
630 unsigned long flags;
631 struct scsi_device *sdev = NULL;
632 struct Scsi_Host *shost = aac->scsi_host_ptr;
633 struct scsi_cmnd *scmnd = NULL;
634 struct device *ctrl_dev;
635
636 int mlcnt = 0;
637 int llcnt = 0;
638 int ehcnt = 0;
639 int fwcnt = 0;
640 int krlcnt = 0;
641
642 __shost_for_each_device(sdev, shost) {
643 spin_lock_irqsave(&sdev->list_lock, flags);
644 list_for_each_entry(scmnd, &sdev->cmd_list, list) {
645 switch (scmnd->SCp.phase) {
646 case AAC_OWNER_FIRMWARE:
647 fwcnt++;
648 break;
649 case AAC_OWNER_ERROR_HANDLER:
650 ehcnt++;
651 break;
652 case AAC_OWNER_LOWLEVEL:
653 llcnt++;
654 break;
655 case AAC_OWNER_MIDLEVEL:
656 mlcnt++;
657 break;
658 default:
659 krlcnt++;
660 break;
661 }
662 }
663 spin_unlock_irqrestore(&sdev->list_lock, flags);
664 }
665
666 ctrl_dev = &aac->pdev->dev;
667
668 dev_info(ctrl_dev, "outstanding cmd: midlevel-%d\n", mlcnt);
669 dev_info(ctrl_dev, "outstanding cmd: lowlevel-%d\n", llcnt);
670 dev_info(ctrl_dev, "outstanding cmd: error handler-%d\n", ehcnt);
671 dev_info(ctrl_dev, "outstanding cmd: firmware-%d\n", fwcnt);
672 dev_info(ctrl_dev, "outstanding cmd: kernel-%d\n", krlcnt);
673
674 return mlcnt + llcnt + ehcnt + fwcnt;
675}
676
03d44337
MH		 677static int aac_eh_abort(struct scsi_cmnd* cmd)
678{
802ae2f0
SM		 679 struct scsi_device * dev = cmd->device;
680 struct Scsi_Host * host = dev->host;
03d44337 681 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
954b2b5a
RAR		 682 int count, found;
683 u32 bus, cid;
03d44337
MH		 684 int ret = FAILED;
685
954b2b5a
RAR		 686 bus = aac_logical_to_phys(scmd_channel(cmd));
687 cid = scmd_id(cmd);
688 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
689 struct fib *fib;
690 struct aac_hba_tm_req *tmf;
691 int status;
692 u64 address;
693 __le32 managed_request_id;
694
695 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
696 AAC_DRIVERNAME,
697 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
698
699 found = 0;
03d44337 700 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
954b2b5a
RAR		 701 fib = &aac->fibs[count];
702 if (*(u8 *)fib->hw_fib_va != 0 &&
703 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
704 (fib->callback_data == cmd)) {
705 found = 1;
706 managed_request_id = ((struct aac_hba_cmd_req *)
707 fib->hw_fib_va)->request_id;
708 break;
709 }
710 }
711 if (!found)
712 return ret;
713
714 /* start a HBA_TMF_ABORT_TASK TMF request */
715 fib = aac_fib_alloc(aac);
716 if (!fib)
717 return ret;
718
719 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
720 memset(tmf, 0, sizeof(*tmf));
721 tmf->tmf = HBA_TMF_ABORT_TASK;
722 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
723 tmf->lun[1] = cmd->device->lun;
724
725 address = (u64)fib->hw_error_pa;
726 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
727 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
728 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
729
730 fib->hbacmd_size = sizeof(*tmf);
731 cmd->SCp.sent_command = 0;
732
733 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
734 (fib_callback) aac_hba_callback,
735 (void *) cmd);
736
2a4a62c0
RAR		 737 /* Wait up to 15 secs for completion */
738 for (count = 0; count < 15; ++count) {
954b2b5a 739 if (cmd->SCp.sent_command) {
03d44337 740 ret = SUCCESS;
954b2b5a 741 break;
03d44337 742 }
954b2b5a 743 msleep(1000);
03d44337 744 }
954b2b5a
RAR		 745
746 if (ret != SUCCESS)
747 pr_err("%s: Host adapter abort request timed out\n",
748 AAC_DRIVERNAME);
749 } else {
750 pr_err(
751 "%s: Host adapter abort request.\n"
752 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
753 AAC_DRIVERNAME, AAC_DRIVERNAME,
754 host->host_no, sdev_channel(dev), sdev_id(dev),
755 (int)dev->lun);
756 switch (cmd->cmnd[0]) {
757 case SERVICE_ACTION_IN_16:
758 if (!(aac->raw_io_interface) ||
759 !(aac->raw_io_64) ||
760 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
761 break;
762 case INQUIRY:
763 case READ_CAPACITY:
764 /*
765 * Mark associated FIB to not complete,
766 * eh handler does this
767 */
768 for (count = 0;
769 count < (host->can_queue + AAC_NUM_MGT_FIB);
770 ++count) {
771 struct fib *fib = &aac->fibs[count];
772
773 if (fib->hw_fib_va->header.XferState &&
774 (fib->flags & FIB_CONTEXT_FLAG) &&
775 (fib->callback_data == cmd)) {
776 fib->flags |=
777 FIB_CONTEXT_FLAG_TIMED_OUT;
778 cmd->SCp.phase =
779 AAC_OWNER_ERROR_HANDLER;
b6ef70f3 780 ret = SUCCESS;
954b2b5a 781 }
b6ef70f3 782 }
954b2b5a
RAR		 783 break;
784 case TEST_UNIT_READY:
785 /*
786 * Mark associated FIB to not complete,
787 * eh handler does this
788 */
789 for (count = 0;
790 count < (host->can_queue + AAC_NUM_MGT_FIB);
791 ++count) {
792 struct scsi_cmnd *command;
793 struct fib *fib = &aac->fibs[count];
794
795 command = fib->callback_data;
796
797 if ((fib->hw_fib_va->header.XferState &
798 cpu_to_le32
799 (Async | NoResponseExpected)) &&
800 (fib->flags & FIB_CONTEXT_FLAG) &&
801 ((command)) &&
802 (command->device == cmd->device)) {
803 fib->flags |=
804 FIB_CONTEXT_FLAG_TIMED_OUT;
805 command->SCp.phase =
806 AAC_OWNER_ERROR_HANDLER;
807 if (command == cmd)
808 ret = SUCCESS;
809 }
810 }
811 break;
b6ef70f3 812 }
03d44337
MH		 813 }
814 return ret;
815}
816
0d643ff3
HR		 817static u8 aac_eh_tmf_lun_reset_fib(struct aac_hba_map_info *info,
818 struct fib *fib, u64 tmf_lun)
5115c8c0
HR		 819{
820 struct aac_hba_tm_req *tmf;
821 u64 address;
822
823 /* start a HBA_TMF_LUN_RESET TMF request */
824 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
825 memset(tmf, 0, sizeof(*tmf));
826 tmf->tmf = HBA_TMF_LUN_RESET;
0d643ff3 827 tmf->it_nexus = info->rmw_nexus;
5115c8c0
HR		 828 int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
829
830 address = (u64)fib->hw_error_pa;
831 tmf->error_ptr_hi = cpu_to_le32
832 ((u32)(address >> 32));
833 tmf->error_ptr_lo = cpu_to_le32
834 ((u32)(address & 0xffffffff));
835 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
836 fib->hbacmd_size = sizeof(*tmf);
837
838 return HBA_IU_TYPE_SCSI_TM_REQ;
839}
840
0d643ff3
HR		 841static u8 aac_eh_tmf_hard_reset_fib(struct aac_hba_map_info *info,
842 struct fib *fib)
5115c8c0
HR		 843{
844 struct aac_hba_reset_req *rst;
845 u64 address;
846
847 /* already tried, start a hard reset now */
848 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
849 memset(rst, 0, sizeof(*rst));
0d643ff3 850 rst->it_nexus = info->rmw_nexus;
5115c8c0
HR		 851
852 address = (u64)fib->hw_error_pa;
853 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
854 rst->error_ptr_lo = cpu_to_le32
855 ((u32)(address & 0xffffffff));
856 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
857 fib->hbacmd_size = sizeof(*rst);
858
859 return HBA_IU_TYPE_SATA_REQ;
860}
861
0d643ff3
HR		 862void aac_tmf_callback(void *context, struct fib *fibptr)
863{
864 struct aac_hba_resp *err =
865 &((struct aac_native_hba *)fibptr->hw_fib_va)->resp.err;
866 struct aac_hba_map_info *info = context;
867 int res;
868
869 switch (err->service_response) {
870 case HBA_RESP_SVCRES_TMF_REJECTED:
871 res = -1;
872 break;
873 case HBA_RESP_SVCRES_TMF_LUN_INVALID:
874 res = 0;
875 break;
876 case HBA_RESP_SVCRES_TMF_COMPLETE:
877 case HBA_RESP_SVCRES_TMF_SUCCEEDED:
878 res = 0;
879 break;
880 default:
881 res = -2;
882 break;
883 }
884 aac_fib_complete(fibptr);
885
886 info->reset_state = res;
887}
888
1da177e4 889/*
f799319e 890 * aac_eh_dev_reset - Device reset command handling
1da177e4
LT		 891 * @scsi_cmd: SCSI command block causing the reset
892 *
893 */
f799319e 894static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
1da177e4
LT		 895{
896 struct scsi_device * dev = cmd->device;
897 struct Scsi_Host * host = dev->host;
03d44337 898 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
0d643ff3 899 struct aac_hba_map_info *info;
954b2b5a
RAR		 900 int count;
901 u32 bus, cid;
f799319e 902 struct fib *fib;
954b2b5a 903 int ret = FAILED;
f799319e
HR		 904 int status;
905 u8 command;
954b2b5a
RAR		 906
907 bus = aac_logical_to_phys(scmd_channel(cmd));
908 cid = scmd_id(cmd);
4cb433e8
NP		 909
910 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
0d643ff3
HR		 911 return FAILED;
912
4cb433e8
NP		 913 info = &aac->hba_map[bus][cid];
914
915 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
916 info->reset_state > 0)
f799319e 917 return FAILED;
954b2b5a 918
f799319e
HR		 919 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
920 AAC_DRIVERNAME);
954b2b5a 921
f799319e
HR		 922 fib = aac_fib_alloc(aac);
923 if (!fib)
924 return ret;
954b2b5a 925
f799319e 926 /* start a HBA_TMF_LUN_RESET TMF request */
0d643ff3 927 command = aac_eh_tmf_lun_reset_fib(info, fib, dev->lun);
f799319e 928
0d643ff3 929 info->reset_state = 1;
f799319e
HR		 930
931 status = aac_hba_send(command, fib,
0d643ff3
HR		 932 (fib_callback) aac_tmf_callback,
933 (void *) info);
f799319e
HR		 934
935 /* Wait up to 15 seconds for completion */
936 for (count = 0; count < 15; ++count) {
0d643ff3
HR		 937 if (info->reset_state == 0) {
938 ret = info->reset_state == 0 ? SUCCESS : FAILED;
f799319e 939 break;
03d44337 940 }
f799319e
HR		 941 msleep(1000);
942 }
8c867b25 943
f799319e
HR		 944 return ret;
945}
8c867b25 946
f799319e
HR		 947/*
948 * aac_eh_target_reset - Target reset command handling
949 * @scsi_cmd: SCSI command block causing the reset
950 *
951 */
952static int aac_eh_target_reset(struct scsi_cmnd *cmd)
953{
954 struct scsi_device * dev = cmd->device;
955 struct Scsi_Host * host = dev->host;
956 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
0d643ff3 957 struct aac_hba_map_info *info;
f799319e
HR		 958 int count;
959 u32 bus, cid;
960 int ret = FAILED;
961 struct fib *fib;
962 int status;
963 u8 command;
964
965 bus = aac_logical_to_phys(scmd_channel(cmd));
966 cid = scmd_id(cmd);
4cb433e8
NP		 967
968 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS)
0d643ff3
HR		 969 return FAILED;
970
4cb433e8
NP		 971 info = &aac->hba_map[bus][cid];
972
973 if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
974 info->reset_state > 0)
f799319e
HR		 975 return FAILED;
976
977 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
978 AAC_DRIVERNAME);
979
980 fib = aac_fib_alloc(aac);
981 if (!fib)
982 return ret;
983
984
985 /* already tried, start a hard reset now */
0d643ff3 986 command = aac_eh_tmf_hard_reset_fib(info, fib);
f799319e 987
0d643ff3 988 info->reset_state = 2;
f799319e
HR		 989
990 status = aac_hba_send(command, fib,
0d643ff3
HR		 991 (fib_callback) aac_tmf_callback,
992 (void *) info);
f799319e
HR		 993
994 /* Wait up to 15 seconds for completion */
995 for (count = 0; count < 15; ++count) {
0d643ff3
HR		 996 if (info->reset_state <= 0) {
997 ret = info->reset_state == 0 ? SUCCESS : FAILED;
f799319e 998 break;
954b2b5a 999 }
f799319e
HR		 1000 msleep(1000);
1001 }
954b2b5a 1002
f799319e
HR		 1003 return ret;
1004}
1005
1006/*
1007 * aac_eh_bus_reset - Bus reset command handling
1008 * @scsi_cmd: SCSI command block causing the reset
1009 *
1010 */
1011static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
1012{
1013 struct scsi_device * dev = cmd->device;
1014 struct Scsi_Host * host = dev->host;
1015 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1016 int count;
e7e99d60 1017 u32 cmd_bus;
f799319e 1018 int status = 0;
786e898c 1019
954b2b5a 1020
e7e99d60
HR		 1021 cmd_bus = aac_logical_to_phys(scmd_channel(cmd));
1022 /* Mark the assoc. FIB to not complete, eh handler does this */
1023 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
1024 struct fib *fib = &aac->fibs[count];
1025
1026 if (fib->hw_fib_va->header.XferState &&
1027 (fib->flags & FIB_CONTEXT_FLAG) &&
1028 (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) {
1029 struct aac_hba_map_info *info;
1030 u32 bus, cid;
1031
1032 cmd = (struct scsi_cmnd *)fib->callback_data;
1033 bus = aac_logical_to_phys(scmd_channel(cmd));
1034 if (bus != cmd_bus)
1035 continue;
1036 cid = scmd_id(cmd);
1037 info = &aac->hba_map[bus][cid];
1038 if (bus >= AAC_MAX_BUSES || cid >= AAC_MAX_TARGETS ||
1039 info->devtype != AAC_DEVTYPE_NATIVE_RAW) {
7cfa9589 1040 fib->flags |= FIB_CONTEXT_FLAG_EH_RESET;
954b2b5a
RAR		 1041 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
1042 }
1043 }
1da177e4 1044 }
786e898c
RAR		 1045
1046 pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
1047
29c97684 1048 /*
786e898c 1049 * Check the health of the controller
29c97684 1050 */
786e898c
RAR		 1051 status = aac_adapter_check_health(aac);
1052 if (status)
1053 dev_err(&aac->pdev->dev, "Adapter health - %d\n", status);
1054
1055 count = get_num_of_incomplete_fibs(aac);
25188423
HR		 1056 return (count == 0) ? SUCCESS : FAILED;
1057}
1058
1059/*
1060 * aac_eh_host_reset - Host reset command handling
1061 * @scsi_cmd: SCSI command block causing the reset
1062 *
1063 */
1064int aac_eh_host_reset(struct scsi_cmnd *cmd)
1065{
1066 struct scsi_device * dev = cmd->device;
1067 struct Scsi_Host * host = dev->host;
1068 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
1069 int ret = FAILED;
1070 __le32 supported_options2 = 0;
1071 bool is_mu_reset;
1072 bool is_ignore_reset;
1073 bool is_doorbell_reset;
786e898c
RAR		 1074
1075 /*
1076 * Check if reset is supported by the firmware
1077 */
1078 supported_options2 = aac->supplement_adapter_info.supported_options2;
1079 is_mu_reset = supported_options2 & AAC_OPTION_MU_RESET;
1080 is_doorbell_reset = supported_options2 & AAC_OPTION_DOORBELL_RESET;
1081 is_ignore_reset = supported_options2 & AAC_OPTION_IGNORE_RESET;
1082 /*
1083 * This adapter needs a blind reset, only do so for
1084 * Adapters that support a register, instead of a commanded,
1085 * reset.
1086 */
1087 if ((is_mu_reset || is_doorbell_reset)
1088 && aac_check_reset
1089 && (aac_check_reset != -1 || !is_ignore_reset)) {
1090 /* Bypass wait for command quiesce */
0d643ff3
HR		 1091 if (aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET) == 0)
1092 ret = SUCCESS;
1093 }
1094 /*
1095 * Reset EH state
1096 */
1097 if (ret == SUCCESS) {
1098 int bus, cid;
1099 struct aac_hba_map_info *info;
1100
1101 for (bus = 0; bus < AAC_MAX_BUSES; bus++) {
1102 for (cid = 0; cid < AAC_MAX_TARGETS; cid++) {
1103 info = &aac->hba_map[bus][cid];
1104 if (info->devtype == AAC_DEVTYPE_NATIVE_RAW)
1105 info->reset_state = 0;
1106 }
1107 }
786e898c 1108 }
954b2b5a 1109 return ret;
1da177e4
LT		 1110}
1111
1112/**
1113 * aac_cfg_open - open a configuration file
1114 * @inode: inode being opened
1115 * @file: file handle attached
1116 *
1117 * Called when the configuration device is opened. Does the needed
1118 * set up on the handle and then returns
1119 *
1120 * Bugs: This needs extending to check a given adapter is present
1121 * so we can support hot plugging, and to ref count adapters.
1122 */
1123
1124static int aac_cfg_open(struct inode *inode, struct file *file)
1125{
1126 struct aac_dev *aac;
7c00ffa3 1127 unsigned minor_number = iminor(inode);
1da177e4
LT		 1128 int err = -ENODEV;
1129
c45d15d2 1130 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
1da177e4 1131 list_for_each_entry(aac, &aac_devices, entry) {
7c00ffa3 1132 if (aac->id == minor_number) {
1da177e4
LT		 1133 file->private_data = aac;
1134 err = 0;
1135 break;
1136 }
1137 }
c45d15d2 1138 mutex_unlock(&aac_mutex);
1da177e4 1139
036d6184 1140 return err;
1da177e4
LT		 1141}
1142
1143/**
1144 * aac_cfg_ioctl - AAC configuration request
1145 * @inode: inode of device
1146 * @file: file handle
1147 * @cmd: ioctl command code
1148 * @arg: argument
1149 *
1150 * Handles a configuration ioctl. Currently this involves wrapping it
1151 * up and feeding it into the nasty windowsalike glue layer.
1152 *
1153 * Bugs: Needs locking against parallel ioctls lower down
1154 * Bugs: Needs to handle hot plugging
1155 */
8ce3eca4 1156
f4927c45 1157static long aac_cfg_ioctl(struct file *file,
1da177e4
LT		 1158 unsigned int cmd, unsigned long arg)
1159{
222a9fb3
RAR		 1160 struct aac_dev *aac = (struct aac_dev *)file->private_data;
1161
fbd18598 1162 if (!capable(CAP_SYS_RAWIO))
60395bb6 1163 return -EPERM;
f4927c45 1164
222a9fb3 1165 return aac_do_ioctl(aac, cmd, (void __user *)arg);
1da177e4
LT		 1166}
1167
1168#ifdef CONFIG_COMPAT
1169static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
1170{
1171 long ret;
8ce3eca4 1172 switch (cmd) {
1da177e4
LT		 1173 case FSACTL_MINIPORT_REV_CHECK:
1174 case FSACTL_SENDFIB:
1175 case FSACTL_OPEN_GET_ADAPTER_FIB:
1176 case FSACTL_CLOSE_GET_ADAPTER_FIB:
1177 case FSACTL_SEND_RAW_SRB:
1178 case FSACTL_GET_PCI_INFO:
1179 case FSACTL_QUERY_DISK:
1180 case FSACTL_DELETE_DISK:
1181 case FSACTL_FORCE_DELETE_DISK:
8ce3eca4 1182 case FSACTL_GET_CONTAINERS:
7c00ffa3 1183 case FSACTL_SEND_LARGE_FIB:
1da177e4
LT		 1184 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
1185 break;
1186
1187 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1188 struct fib_ioctl __user *f;
8ce3eca4 1189
1da177e4
LT		 1190 f = compat_alloc_user_space(sizeof(*f));
1191 ret = 0;
821499a8 1192 if (clear_user(f, sizeof(*f)))
1da177e4
LT		 1193 ret = -EFAULT;
1194 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1195 ret = -EFAULT;
1196 if (!ret)
3d2f98a6 1197 ret = aac_do_ioctl(dev, cmd, f);
1da177e4
LT		 1198 break;
1199 }
1200
1201 default:
8ce3eca4 1202 ret = -ENOIOCTLCMD;
1da177e4 1203 break;
8ce3eca4 1204 }
1da177e4
LT		 1205 return ret;
1206}
1207
1208static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1209{
1210 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
f856567b
DC		 1211 if (!capable(CAP_SYS_RAWIO))
1212 return -EPERM;
1da177e4
LT		 1213 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1214}
1215
1216static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1217{
5f78e89b 1218 if (!capable(CAP_SYS_RAWIO))
60395bb6 1219 return -EPERM;
35df8397 1220 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1da177e4
LT		 1221}
1222#endif
1223
ee959b00
TJ		 1224static ssize_t aac_show_model(struct device *device,
1225 struct device_attribute *attr, char *buf)
0bb14afe 1226{
ee959b00 1227 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1228 int len;
1229
1c68856e
RAR		 1230 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1231 char *cp = dev->supplement_adapter_info.adapter_type_text;
7686f132
MH		 1232 while (*cp && *cp != ' ')
1233 ++cp;
1234 while (*cp == ' ')
1235 ++cp;
1236 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1237 } else
1238 len = snprintf(buf, PAGE_SIZE, "%s\n",
0bb14afe
MH		 1239 aac_drivers[dev->cardtype].model);
1240 return len;
1241}
1242
ee959b00
TJ		 1243static ssize_t aac_show_vendor(struct device *device,
1244 struct device_attribute *attr, char *buf)
0bb14afe 1245{
ee959b00 1246 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1c68856e 1247 struct aac_supplement_adapter_info *sup_adap_info;
0bb14afe
MH		 1248 int len;
1249
1c68856e
RAR		 1250 sup_adap_info = &dev->supplement_adapter_info;
1251 if (sup_adap_info->adapter_type_text[0]) {
1252 char *cp = sup_adap_info->adapter_type_text;
7686f132
MH		 1253 while (*cp && *cp != ' ')
1254 ++cp;
1255 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1c68856e
RAR		 1256 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1257 sup_adap_info->adapter_type_text);
7686f132
MH		 1258 } else
1259 len = snprintf(buf, PAGE_SIZE, "%s\n",
1c68856e 1260 aac_drivers[dev->cardtype].vname);
0bb14afe
MH		 1261 return len;
1262}
1263
ee959b00
TJ		 1264static ssize_t aac_show_flags(struct device *cdev,
1265 struct device_attribute *attr, char *buf)
2ca39c48
SM		 1266{
1267 int len = 0;
ee959b00 1268 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
2ca39c48
SM		 1269
1270 if (nblank(dprintk(x)))
1271 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1272#ifdef AAC_DETAILED_STATUS_INFO
1273 len += snprintf(buf + len, PAGE_SIZE - len,
1274 "AAC_DETAILED_STATUS_INFO\n");
1275#endif
1276 if (dev->raw_io_interface && dev->raw_io_64)
1277 len += snprintf(buf + len, PAGE_SIZE - len,
1278 "SAI_READ_CAPACITY_16\n");
cb1042f2
SM		 1279 if (dev->jbod)
1280 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1c68856e 1281 if (dev->supplement_adapter_info.supported_options2 &
655d722c
MS		 1282 AAC_OPTION_POWER_MANAGEMENT)
1283 len += snprintf(buf + len, PAGE_SIZE - len,
1284 "SUPPORTED_POWER_MANAGEMENT\n");
1285 if (dev->msi)
1286 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
2ca39c48
SM		 1287 return len;
1288}
1289
ee959b00
TJ		 1290static ssize_t aac_show_kernel_version(struct device *device,
1291 struct device_attribute *attr,
1292 char *buf)
0bb14afe 1293{
ee959b00 1294 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1295 int len, tmp;
1296
1297 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
8ce3eca4 1298 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
0bb14afe
MH		 1299 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1300 le32_to_cpu(dev->adapter_info.kernelbuild));
1301 return len;
1302}
1303
ee959b00
TJ		 1304static ssize_t aac_show_monitor_version(struct device *device,
1305 struct device_attribute *attr,
1306 char *buf)
0bb14afe 1307{
ee959b00 1308 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1309 int len, tmp;
1310
1311 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
8ce3eca4 1312 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
0bb14afe
MH		 1313 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1314 le32_to_cpu(dev->adapter_info.monitorbuild));
1315 return len;
1316}
1317
ee959b00
TJ		 1318static ssize_t aac_show_bios_version(struct device *device,
1319 struct device_attribute *attr,
1320 char *buf)
0bb14afe 1321{
ee959b00 1322 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1323 int len, tmp;
1324
1325 tmp = le32_to_cpu(dev->adapter_info.biosrev);
8ce3eca4 1326 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
0bb14afe
MH		 1327 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1328 le32_to_cpu(dev->adapter_info.biosbuild));
1329 return len;
1330}
1331
30202e06
RAR		 1332static ssize_t aac_show_driver_version(struct device *device,
1333 struct device_attribute *attr,
1334 char *buf)
1335{
1336 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1337}
1338
13a17fde 1339static ssize_t aac_show_serial_number(struct device *device,
ee959b00 1340 struct device_attribute *attr, char *buf)
0bb14afe 1341{
ee959b00 1342 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
0bb14afe
MH		 1343 int len = 0;
1344
1345 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
dc55b827 1346 len = snprintf(buf, 16, "%06X\n",
0bb14afe 1347 le32_to_cpu(dev->adapter_info.serial[0]));
24f02e1d 1348 if (len &&
1c68856e
RAR		 1349 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1350 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
95f6fb57 1351 buf, len-1))
dc55b827 1352 len = snprintf(buf, 16, "%.*s\n",
1c68856e
RAR		 1353 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1354 dev->supplement_adapter_info.mfg_pcba_serial_no);
dc55b827
DC		 1355
1356 return min(len, 16);
0bb14afe
MH		 1357}
1358
ee959b00
TJ		 1359static ssize_t aac_show_max_channel(struct device *device,
1360 struct device_attribute *attr, char *buf)
d1ad94ad
MH		 1361{
1362 return snprintf(buf, PAGE_SIZE, "%d\n",
ee959b00 1363 class_to_shost(device)->max_channel);
d1ad94ad
MH		 1364}
1365
ee959b00
TJ		 1366static ssize_t aac_show_max_id(struct device *device,
1367 struct device_attribute *attr, char *buf)
d1ad94ad
MH		 1368{
1369 return snprintf(buf, PAGE_SIZE, "%d\n",
ee959b00 1370 class_to_shost(device)->max_id);
d1ad94ad
MH		 1371}
1372
ee959b00
TJ		 1373static ssize_t aac_store_reset_adapter(struct device *device,
1374 struct device_attribute *attr,
1375 const char *buf, size_t count)
29c97684
SM		 1376{
1377 int retval = -EACCES;
31364329
RAR		 1378 int bled = 0;
1379 struct aac_dev *aac;
1380
29c97684
SM		 1381
1382 if (!capable(CAP_SYS_ADMIN))
1383 return retval;
31364329
RAR		 1384
1385 aac = (struct aac_dev *)class_to_shost(device)->hostdata;
1386 bled = buf[0] == '!' ? 1:0;
1387 retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET);
29c97684
SM		 1388 if (retval >= 0)
1389 retval = count;
1390 return retval;
1391}
1392
ee959b00
TJ		 1393static ssize_t aac_show_reset_adapter(struct device *device,
1394 struct device_attribute *attr,
1395 char *buf)
29c97684 1396{
ee959b00 1397 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
29c97684
SM		 1398 int len, tmp;
1399
1400 tmp = aac_adapter_check_health(dev);
1401 if ((tmp == 0) && dev->in_reset)
1402 tmp = -EBUSY;
bbf17d64 1403 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
29c97684
SM		 1404 return len;
1405}
0bb14afe 1406
ee959b00 1407static struct device_attribute aac_model = {
0bb14afe
MH		 1408 .attr = {
1409 .name = "model",
1410 .mode = S_IRUGO,
1411 },
1412 .show = aac_show_model,
1413};
ee959b00 1414static struct device_attribute aac_vendor = {
0bb14afe
MH		 1415 .attr = {
1416 .name = "vendor",
1417 .mode = S_IRUGO,
1418 },
1419 .show = aac_show_vendor,
1420};
ee959b00 1421static struct device_attribute aac_flags = {
2ca39c48
SM		 1422 .attr = {
1423 .name = "flags",
1424 .mode = S_IRUGO,
1425 },
1426 .show = aac_show_flags,
1427};
ee959b00 1428static struct device_attribute aac_kernel_version = {
0bb14afe
MH		 1429 .attr = {
1430 .name = "hba_kernel_version",
1431 .mode = S_IRUGO,
1432 },
1433 .show = aac_show_kernel_version,
1434};
ee959b00 1435static struct device_attribute aac_monitor_version = {
0bb14afe
MH		 1436 .attr = {
1437 .name = "hba_monitor_version",
1438 .mode = S_IRUGO,
1439 },
1440 .show = aac_show_monitor_version,
1441};
ee959b00 1442static struct device_attribute aac_bios_version = {
0bb14afe
MH		 1443 .attr = {
1444 .name = "hba_bios_version",
1445 .mode = S_IRUGO,
1446 },
1447 .show = aac_show_bios_version,
1448};
30202e06
RAR		 1449static struct device_attribute aac_lld_version = {
1450 .attr = {
1451 .name = "driver_version",
1452 .mode = 0444,
1453 },
1454 .show = aac_show_driver_version,
1455};
ee959b00 1456static struct device_attribute aac_serial_number = {
0bb14afe
MH		 1457 .attr = {
1458 .name = "serial_number",
1459 .mode = S_IRUGO,
1460 },
1461 .show = aac_show_serial_number,
1462};
ee959b00 1463static struct device_attribute aac_max_channel = {
d1ad94ad
MH		 1464 .attr = {
1465 .name = "max_channel",
1466 .mode = S_IRUGO,
1467 },
1468 .show = aac_show_max_channel,
1469};
ee959b00 1470static struct device_attribute aac_max_id = {
d1ad94ad
MH		 1471 .attr = {
1472 .name = "max_id",
1473 .mode = S_IRUGO,
1474 },
1475 .show = aac_show_max_id,
1476};
ee959b00 1477static struct device_attribute aac_reset = {
29c97684
SM		 1478 .attr = {
1479 .name = "reset_host",
1480 .mode = S_IWUSR|S_IRUGO,
1481 },
1482 .store = aac_store_reset_adapter,
1483 .show = aac_show_reset_adapter,
1484};
0bb14afe 1485
ee959b00 1486static struct device_attribute *aac_attrs[] = {
0bb14afe
MH		 1487 &aac_model,
1488 &aac_vendor,
2ca39c48 1489 &aac_flags,
0bb14afe
MH		 1490 &aac_kernel_version,
1491 &aac_monitor_version,
1492 &aac_bios_version,
30202e06 1493 &aac_lld_version,
0bb14afe 1494 &aac_serial_number,
d1ad94ad
MH		 1495 &aac_max_channel,
1496 &aac_max_id,
29c97684 1497 &aac_reset,
0bb14afe
MH		 1498 NULL
1499};
1500
ee959b00
TJ		 1501ssize_t aac_get_serial_number(struct device *device, char *buf)
1502{
1503 return aac_show_serial_number(device, &aac_serial_number, buf);
1504}
0bb14afe 1505
00977a59 1506static const struct file_operations aac_cfg_fops = {
1da177e4 1507 .owner = THIS_MODULE,
f4927c45 1508 .unlocked_ioctl = aac_cfg_ioctl,
1da177e4
LT		 1509#ifdef CONFIG_COMPAT
1510 .compat_ioctl = aac_compat_cfg_ioctl,
1511#endif
1512 .open = aac_cfg_open,
6038f373 1513 .llseek = noop_llseek,
1da177e4
LT		 1514};
1515
1516static struct scsi_host_template aac_driver_template = {
1517 .module = THIS_MODULE,
8ef22247 1518 .name = "AAC",
7c00ffa3 1519 .proc_name = AAC_DRIVERNAME,
8ef22247
SM		 1520 .info = aac_info,
1521 .ioctl = aac_ioctl,
1da177e4
LT		 1522#ifdef CONFIG_COMPAT
1523 .compat_ioctl = aac_compat_ioctl,
1524#endif
8ef22247
SM		 1525 .queuecommand = aac_queuecommand,
1526 .bios_param = aac_biosparm,
0bb14afe 1527 .shost_attrs = aac_attrs,
1da177e4 1528 .slave_configure = aac_slave_configure,
5c9cfedd 1529 .change_queue_depth = aac_change_queue_depth,
17eaacee 1530 .sdev_attrs = aac_dev_attrs,
03d44337 1531 .eh_abort_handler = aac_eh_abort,
f799319e
HR		 1532 .eh_device_reset_handler = aac_eh_dev_reset,
1533 .eh_target_reset_handler = aac_eh_target_reset,
1534 .eh_bus_reset_handler = aac_eh_bus_reset,
25188423 1535 .eh_host_reset_handler = aac_eh_host_reset,
8ef22247
SM		 1536 .can_queue = AAC_NUM_IO_FIB,
1537 .this_id = MAXIMUM_NUM_CONTAINERS,
1538 .sg_tablesize = 16,
1539 .max_sectors = 128,
1da177e4
LT		 1540#if (AAC_NUM_IO_FIB > 256)
1541 .cmd_per_lun = 256,
8ce3eca4 1542#else
8ef22247 1543 .cmd_per_lun = AAC_NUM_IO_FIB,
8ce3eca4 1544#endif
1da177e4 1545 .use_clustering = ENABLE_CLUSTERING,
8ef22247 1546 .emulated = 1,
54b2b50c 1547 .no_write_same = 1,
1da177e4
LT		 1548};
1549
94774a3a
SM		 1550static void __aac_shutdown(struct aac_dev * aac)
1551{
495c0217
MR		 1552 int i;
1553
45348de2 1554 mutex_lock(&aac->ioctl_mutex);
423400e6 1555 aac->adapter_shutdown = 1;
45348de2 1556 mutex_unlock(&aac->ioctl_mutex);
fbd18598 1557
361ee9c3
BC		 1558 if (aac->aif_thread) {
1559 int i;
1560 /* Clear out events first */
1561 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1562 struct fib *fib = &aac->fibs[i];
1563 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1564 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1565 up(&fib->event_wait);
1566 }
e85fbc59 1567 kthread_stop(aac->thread);
361ee9c3 1568 }
45348de2
RAR		 1569
1570 aac_send_shutdown(aac);
1571
94774a3a 1572 aac_adapter_disable_int(aac);
45348de2 1573
395e5df7 1574 if (aac_is_src(aac)) {
495c0217 1575 if (aac->max_msix > 1) {
ef616233 1576 for (i = 0; i < aac->max_msix; i++) {
0910d8bb 1577 free_irq(pci_irq_vector(aac->pdev, i),
495c0217 1578 &(aac->aac_msix[i]));
ef616233 1579 }
495c0217
MR		 1580 } else {
1581 free_irq(aac->pdev->irq,
1582 &(aac->aac_msix[0]));
1583 }
1584 } else {
1585 free_irq(aac->pdev->irq, aac);
1586 }
8ef22247
SM		 1587 if (aac->msi)
1588 pci_disable_msi(aac->pdev);
495c0217
MR		 1589 else if (aac->max_msix > 1)
1590 pci_disable_msix(aac->pdev);
94774a3a 1591}
b9fb54b4
RAR		 1592static void aac_init_char(void)
1593{
1594 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1595 if (aac_cfg_major < 0) {
1596 pr_err("aacraid: unable to register \"aac\" device.\n");
1597 }
1598}
94774a3a 1599
6f039790 1600static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1da177e4
LT		 1601{
1602 unsigned index = id->driver_data;
1603 struct Scsi_Host *shost;
1604 struct aac_dev *aac;
1605 struct list_head *insert = &aac_devices;
1606 int error = -ENODEV;
1607 int unique_id = 0;
0dcae66f 1608 u64 dmamask;
8105d39d 1609 int mask_bits = 0;
11604612 1610 extern int aac_sync_mode;
1da177e4 1611
6b93b7dd
RAR		 1612 /*
1613 * Only series 7 needs freset.
1614 */
913e00a5 1615 if (pdev->device == PMC_DEVICE_S7)
6b93b7dd
RAR		 1616 pdev->needs_freset = 1;
1617
1da177e4
LT		 1618 list_for_each_entry(aac, &aac_devices, entry) {
1619 if (aac->id > unique_id)
1620 break;
1621 insert = &aac->entry;
1622 unique_id++;
1623 }
1624
cf16123c
VA		 1625 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1626 PCIE_LINK_STATE_CLKPM);
1627
08efb7b6
MH		 1628 error = pci_enable_device(pdev);
1629 if (error)
1da177e4 1630 goto out;
e61b17fd 1631 error = -ENODEV;
1da177e4 1632
8105d39d
RAR		 1633 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1634 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1635 if (error) {
1636 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1637 goto out_disable_pdev;
1638 }
1639 }
1640
1da177e4
LT		 1641 /*
1642 * If the quirk31 bit is set, the adapter needs adapter
1643 * to driver communication memory to be allocated below 2gig
1644 */
8105d39d 1645 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
0dcae66f 1646 dmamask = DMA_BIT_MASK(31);
8105d39d
RAR		 1647 mask_bits = 31;
1648 } else {
0dcae66f 1649 dmamask = DMA_BIT_MASK(32);
8105d39d
RAR		 1650 mask_bits = 32;
1651 }
0dcae66f 1652
8105d39d
RAR		 1653 error = pci_set_consistent_dma_mask(pdev, dmamask);
1654 if (error) {
1655 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1656 , mask_bits);
0dcae66f 1657 goto out_disable_pdev;
8105d39d 1658 }
8ce3eca4 1659
1da177e4
LT		 1660 pci_set_master(pdev);
1661
1662 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1663 if (!shost)
1664 goto out_disable_pdev;
1665
1666 shost->irq = pdev->irq;
1da177e4 1667 shost->unique_id = unique_id;
7a8cf29d 1668 shost->max_cmd_len = 16;
64bdcbc4 1669 shost->use_cmd_list = 1;
1da177e4 1670
b9fb54b4
RAR		 1671 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1672 aac_init_char();
1673
1da177e4 1674 aac = (struct aac_dev *)shost->hostdata;
ff08784b 1675 aac->base_start = pci_resource_start(pdev, 0);
8ce3eca4 1676 aac->scsi_host_ptr = shost;
1da177e4
LT		 1677 aac->pdev = pdev;
1678 aac->name = aac_driver_template.name;
1679 aac->id = shost->unique_id;
a4576b5d 1680 aac->cardtype = index;
1da177e4
LT		 1681 INIT_LIST_HEAD(&aac->entry);
1682
85d22bbf 1683 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1da177e4
LT		 1684 if (!aac->fibs)
1685 goto out_free_host;
1686 spin_lock_init(&aac->fib_lock);
1687
222a9fb3 1688 mutex_init(&aac->ioctl_mutex);
8e0c5ebd
MH		 1689 /*
1690 * Map in the registers from the adapter.
1691 */
1692 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
8e0c5ebd
MH		 1693 if ((*aac_drivers[index].init)(aac))
1694 goto out_unmap;
1695
11604612
MR		 1696 if (aac->sync_mode) {
1697 if (aac_sync_mode)
1698 printk(KERN_INFO "%s%d: Sync. mode enforced "
1699 "by driver parameter. This will cause "
1700 "a significant performance decrease!\n",
1701 aac->name,
1702 aac->id);
1703 else
1704 printk(KERN_INFO "%s%d: Async. mode not supported "
1705 "by current driver, sync. mode enforced."
1706 "\nPlease update driver to get full performance.\n",
1707 aac->name,
1708 aac->id);
1709 }
1710
8e0c5ebd
MH		 1711 /*
1712 * Start any kernel threads needed
1713 */
fe27381d
CH		 1714 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1715 if (IS_ERR(aac->thread)) {
8e0c5ebd 1716 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
fe27381d 1717 error = PTR_ERR(aac->thread);
361ee9c3 1718 aac->thread = NULL;
8e0c5ebd
MH		 1719 goto out_deinit;
1720 }
1da177e4 1721
84971738 1722 aac->maximum_num_channels = aac_drivers[index].channels;
08efb7b6
MH		 1723 error = aac_get_adapter_info(aac);
1724 if (error < 0)
1725 goto out_deinit;
1da177e4
LT		 1726
1727 /*
a4576b5d
MS		 1728 * Lets override negotiations and drop the maximum SG limit to 34
1729 */
8ce3eca4 1730 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
62e9f5c4
SM		 1731 (shost->sg_tablesize > 34)) {
1732 shost->sg_tablesize = 34;
1733 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
a4576b5d 1734 }
7c00ffa3 1735
a4576b5d 1736 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
62e9f5c4
SM		 1737 (shost->sg_tablesize > 17)) {
1738 shost->sg_tablesize = 17;
1739 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
a4576b5d 1740 }
db39363c 1741
62e9f5c4
SM		 1742 error = pci_set_dma_max_seg_size(pdev,
1743 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1744 (shost->max_sectors << 9) : 65536);
1745 if (error)
1746 goto out_deinit;
1747
7c00ffa3 1748 /*
62e9f5c4 1749 * Firmware printf works only with older firmware.
7c00ffa3 1750 */
8ce3eca4 1751 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
7c00ffa3
MH		 1752 aac->printf_enabled = 1;
1753 else
1754 aac->printf_enabled = 0;
8ce3eca4 1755
a4576b5d 1756 /*
1da177e4 1757 * max channel will be the physical channels plus 1 virtual channel
bb08f92e 1758 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1da177e4
LT		 1759 * physical channels are address by their actual physical number+1
1760 */
cb1042f2 1761 if (aac->nondasd_support || expose_physicals || aac->jbod)
95433bad 1762 shost->max_channel = aac->maximum_num_channels;
1da177e4 1763 else
95433bad 1764 shost->max_channel = 0;
1da177e4 1765
8c867b25 1766 aac_get_config_status(aac, 0);
1da177e4
LT		 1767 aac_get_containers(aac);
1768 list_add(&aac->entry, insert);
1769
1770 shost->max_id = aac->maximum_num_containers;
84971738
MH		 1771 if (shost->max_id < aac->maximum_num_physicals)
1772 shost->max_id = aac->maximum_num_physicals;
1da177e4
LT		 1773 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1774 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1775 else
1776 shost->this_id = shost->max_id;
1777
d503e2fd 1778 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
787ab6e9 1779 aac_intr_normal(aac, 0, 2, 0, NULL);
9cb62fa2 1780
1da177e4
LT		 1781 /*
1782 * dmb - we may need to move the setting of these parms somewhere else once
1783 * we get a fib that can report the actual numbers
1784 */
1785 shost->max_lun = AAC_MAX_LUN;
1786
1787 pci_set_drvdata(pdev, shost);
1788
1789 error = scsi_add_host(shost, &pdev->dev);
1790 if (error)
1791 goto out_deinit;
1792 scsi_scan_host(shost);
1793
5c63f7f7
RAR		 1794 pci_enable_pcie_error_reporting(pdev);
1795 pci_save_state(pdev);
1796
1da177e4
LT		 1797 return 0;
1798
bd1aac80 1799 out_deinit:
94774a3a 1800 __aac_shutdown(aac);
8e0c5ebd 1801 out_unmap:
bfb35aa8 1802 aac_fib_map_free(aac);
2b053729 1803 if (aac->comm_addr)
f481973d
MR		 1804 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1805 aac->comm_addr, aac->comm_phys);
1da177e4 1806 kfree(aac->queues);
76a7f8fd 1807 aac_adapter_ioremap(aac, 0);
1da177e4
LT		 1808 kfree(aac->fibs);
1809 kfree(aac->fsa_dev);
1810 out_free_host:
1811 scsi_host_put(shost);
1812 out_disable_pdev:
1813 pci_disable_device(pdev);
1814 out:
1815 return error;
1816}
1817
fe0798c5 1818static void aac_release_resources(struct aac_dev *aac)
de665f28 1819{
de665f28 1820 aac_adapter_disable_int(aac);
d3e19175 1821 aac_free_irq(aac);
de665f28
MR		 1822}
1823
1824static int aac_acquire_resources(struct aac_dev *dev)
1825{
de665f28
MR		 1826 unsigned long status;
1827 /*
1828 * First clear out all interrupts. Then enable the one's that we
1829 * can handle.
1830 */
1831 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1832 || status == 0xffffffff)
1833 msleep(20);
1834
1835 aac_adapter_disable_int(dev);
1836 aac_adapter_enable_int(dev);
1837
1838
395e5df7 1839 if (aac_is_src(dev))
de665f28
MR		 1840 aac_define_int_mode(dev);
1841
1842 if (dev->msi_enabled)
1843 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1844
d3e19175
RAR		 1845 if (aac_acquire_irq(dev))
1846 goto error_iounmap;
de665f28
MR		 1847
1848 aac_adapter_enable_int(dev);
1849
ecc479e0
RAR		 1850 /*max msix may change after EEH
1851 * Re-assign vectors to fibs
1852 */
1853 aac_fib_vector_assign(dev);
1854
1855 if (!dev->sync_mode) {
1856 /* After EEH recovery or suspend resume, max_msix count
608595ed 1857 * may change, therefore updating in init as well.
ecc479e0 1858 */
d1ef4da8 1859 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
116d77fe 1860 aac_adapter_start(dev);
ecc479e0 1861 }
de665f28
MR		 1862 return 0;
1863
1864error_iounmap:
1865 return -1;
1866
1867}
5c63f7f7
RAR		 1868
1869#if (defined(CONFIG_PM))
de665f28
MR		 1870static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1871{
1872
1873 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1874 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1875
1876 scsi_block_requests(shost);
1877 aac_send_shutdown(aac);
1878
1879 aac_release_resources(aac);
1880
1881 pci_set_drvdata(pdev, shost);
1882 pci_save_state(pdev);
1883 pci_disable_device(pdev);
1884 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1885
1886 return 0;
1887}
1888
1889static int aac_resume(struct pci_dev *pdev)
1890{
1891 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1892 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1893 int r;
1894
1895 pci_set_power_state(pdev, PCI_D0);
1896 pci_enable_wake(pdev, PCI_D0, 0);
1897 pci_restore_state(pdev);
1898 r = pci_enable_device(pdev);
1899
1900 if (r)
1901 goto fail_device;
1902
1903 pci_set_master(pdev);
1904 if (aac_acquire_resources(aac))
1905 goto fail_device;
e728f8e3
MR		 1906 /*
1907 * reset this flag to unblock ioctl() as it was set at
1908 * aac_send_shutdown() to block ioctls from upperlayer
1909 */
1910 aac->adapter_shutdown = 0;
de665f28
MR		 1911 scsi_unblock_requests(shost);
1912
1913 return 0;
1914
1915fail_device:
1916 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1917 scsi_host_put(shost);
1918 pci_disable_device(pdev);
1919 return -ENODEV;
1920}
1921#endif
1922
bd1aac80
MH		 1923static void aac_shutdown(struct pci_dev *dev)
1924{
1925 struct Scsi_Host *shost = pci_get_drvdata(dev);
94774a3a 1926 scsi_block_requests(shost);
c835e372 1927 __aac_shutdown((struct aac_dev *)shost->hostdata);
bd1aac80
MH		 1928}
1929
6f039790 1930static void aac_remove_one(struct pci_dev *pdev)
1da177e4
LT		 1931{
1932 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1933 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1934
1935 scsi_remove_host(shost);
1936
94774a3a 1937 __aac_shutdown(aac);
bfb35aa8 1938 aac_fib_map_free(aac);
f481973d
MR		 1939 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1940 aac->comm_phys);
1da177e4
LT		 1941 kfree(aac->queues);
1942
76a7f8fd 1943 aac_adapter_ioremap(aac, 0);
8ce3eca4 1944
1da177e4 1945 kfree(aac->fibs);
8e0c5ebd 1946 kfree(aac->fsa_dev);
8ce3eca4 1947
1da177e4
LT		 1948 list_del(&aac->entry);
1949 scsi_host_put(shost);
1950 pci_disable_device(pdev);
90ee3466
MH		 1951 if (list_empty(&aac_devices)) {
1952 unregister_chrdev(aac_cfg_major, "aac");
b9fb54b4 1953 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
90ee3466 1954 }
1da177e4
LT		 1955}
1956
5c63f7f7
RAR		 1957static void aac_flush_ios(struct aac_dev *aac)
1958{
1959 int i;
1960 struct scsi_cmnd *cmd;
1961
1962 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1963 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1964 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1965 scsi_dma_unmap(cmd);
1966
1967 if (aac->handle_pci_error)
1968 cmd->result = DID_NO_CONNECT << 16;
1969 else
1970 cmd->result = DID_RESET << 16;
1971
1972 cmd->scsi_done(cmd);
1973 }
1974 }
1975}
1976
1977static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1978 enum pci_channel_state error)
1979{
1980 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1981 struct aac_dev *aac = shost_priv(shost);
1982
1983 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1984
1985 switch (error) {
1986 case pci_channel_io_normal:
1987 return PCI_ERS_RESULT_CAN_RECOVER;
1988 case pci_channel_io_frozen:
1989 aac->handle_pci_error = 1;
1990
1991 scsi_block_requests(aac->scsi_host_ptr);
1992 aac_flush_ios(aac);
1993 aac_release_resources(aac);
1994
1995 pci_disable_pcie_error_reporting(pdev);
1996 aac_adapter_ioremap(aac, 0);
1997
1998 return PCI_ERS_RESULT_NEED_RESET;
1999 case pci_channel_io_perm_failure:
2000 aac->handle_pci_error = 1;
2001
2002 aac_flush_ios(aac);
2003 return PCI_ERS_RESULT_DISCONNECT;
2004 }
2005
2006 return PCI_ERS_RESULT_NEED_RESET;
2007}
2008
2009static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
2010{
2011 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
2012 return PCI_ERS_RESULT_NEED_RESET;
2013}
2014
2015static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
2016{
2017 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
2018 pci_restore_state(pdev);
2019 if (pci_enable_device(pdev)) {
2020 dev_warn(&pdev->dev,
2021 "aacraid: failed to enable slave\n");
2022 goto fail_device;
2023 }
2024
2025 pci_set_master(pdev);
2026
2027 if (pci_enable_device_mem(pdev)) {
2028 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
2029 goto fail_device;
2030 }
2031
2032 return PCI_ERS_RESULT_RECOVERED;
2033
2034fail_device:
2035 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
2036 return PCI_ERS_RESULT_DISCONNECT;
2037}
2038
2039
2040static void aac_pci_resume(struct pci_dev *pdev)
2041{
2042 struct Scsi_Host *shost = pci_get_drvdata(pdev);
2043 struct scsi_device *sdev = NULL;
2044 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
2045
2046 pci_cleanup_aer_uncorrect_error_status(pdev);
2047
2048 if (aac_adapter_ioremap(aac, aac->base_size)) {
2049
2050 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
2051 /* remap failed, go back ... */
2052 aac->comm_interface = AAC_COMM_PRODUCER;
2053 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
2054 dev_warn(&pdev->dev,
2055 "aacraid: unable to map adapter.\n");
2056
2057 return;
2058 }
2059 }
2060
2061 msleep(10000);
2062
2063 aac_acquire_resources(aac);
2064
2065 /*
2066 * reset this flag to unblock ioctl() as it was set
2067 * at aac_send_shutdown() to block ioctls from upperlayer
2068 */
2069 aac->adapter_shutdown = 0;
2070 aac->handle_pci_error = 0;
2071
2072 shost_for_each_device(sdev, shost)
2073 if (sdev->sdev_state == SDEV_OFFLINE)
2074 sdev->sdev_state = SDEV_RUNNING;
2075 scsi_unblock_requests(aac->scsi_host_ptr);
2076 scsi_scan_host(aac->scsi_host_ptr);
2077 pci_save_state(pdev);
2078
2079 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
2080}
2081
2082static struct pci_error_handlers aac_pci_err_handler = {
2083 .error_detected = aac_pci_error_detected,
2084 .mmio_enabled = aac_pci_mmio_enabled,
2085 .slot_reset = aac_pci_slot_reset,
2086 .resume = aac_pci_resume,
2087};
2088
1da177e4
LT		 2089static struct pci_driver aac_pci_driver = {
2090 .name = AAC_DRIVERNAME,
2091 .id_table = aac_pci_tbl,
2092 .probe = aac_probe_one,
6f039790 2093 .remove = aac_remove_one,
de665f28
MR		 2094#if (defined(CONFIG_PM))
2095 .suspend = aac_suspend,
2096 .resume = aac_resume,
2097#endif
8ef22247 2098 .shutdown = aac_shutdown,
5c63f7f7 2099 .err_handler = &aac_pci_err_handler,
1da177e4
LT		 2100};
2101
2102static int __init aac_init(void)
2103{
2104 int error;
8ce3eca4 2105
29c97684 2106 printk(KERN_INFO "Adaptec %s driver %s\n",
c7f47602 2107 AAC_DRIVERNAME, aac_driver_version);
1da177e4 2108
08efb7b6
MH		 2109 error = pci_register_driver(&aac_pci_driver);
2110 if (error < 0)
1da177e4
LT		 2111 return error;
2112
b9fb54b4
RAR		 2113 aac_init_char();
2114
bd1aac80 2115
1da177e4
LT		 2116 return 0;
2117}
2118
2119static void __exit aac_exit(void)
2120{
53926274
MH		 2121 if (aac_cfg_major > -1)
2122 unregister_chrdev(aac_cfg_major, "aac");
1da177e4
LT		 2123 pci_unregister_driver(&aac_pci_driver);
2124}
2125
2126module_init(aac_init);
2127module_exit(aac_exit);