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scsi: aacraid: Remove duplicate irq management code
[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / aacraid / linit.c
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
14 * any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 * Module Name:
26 * linit.c
27 *
28 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
29 */
30
31
32 #include <linux/compat.h>
33 #include <linux/blkdev.h>
34 #include <linux/completion.h>
35 #include <linux/init.h>
36 #include <linux/interrupt.h>
37 #include <linux/kernel.h>
38 #include <linux/module.h>
39 #include <linux/moduleparam.h>
40 #include <linux/pci.h>
41 #include <linux/aer.h>
42 #include <linux/pci-aspm.h>
43 #include <linux/slab.h>
44 #include <linux/mutex.h>
45 #include <linux/spinlock.h>
46 #include <linux/syscalls.h>
47 #include <linux/delay.h>
48 #include <linux/kthread.h>
49
50 #include <scsi/scsi.h>
51 #include <scsi/scsi_cmnd.h>
52 #include <scsi/scsi_device.h>
53 #include <scsi/scsi_host.h>
54 #include <scsi/scsi_tcq.h>
55 #include <scsi/scsicam.h>
56 #include <scsi/scsi_eh.h>
57
58 #include "aacraid.h"
59
60 #define AAC_DRIVER_VERSION "1.2-1"
61 #ifndef AAC_DRIVER_BRANCH
62 #define AAC_DRIVER_BRANCH ""
63 #endif
64 #define AAC_DRIVERNAME "aacraid"
65
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
72 #endif
73
74 MODULE_AUTHOR("Red Hat Inc and Adaptec");
75 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
76 "Adaptec Advanced Raid Products, "
77 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
78 MODULE_LICENSE("GPL");
79 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
80
81 static DEFINE_MUTEX(aac_mutex);
82 static LIST_HEAD(aac_devices);
83 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
84 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
85
86 /*
87 * Because of the way Linux names scsi devices, the order in this table has
88 * become important. Check for on-board Raid first, add-in cards second.
89 *
90 * Note: The last field is used to index into aac_drivers below.
91 */
92 static const struct pci_device_id aac_pci_tbl[] = {
93 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
94 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
95 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
96 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
97 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
98 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
99 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
100 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
101 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
102 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
103 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
104 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
105 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
106 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
107 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
108 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
109
110 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
111 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
112 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
113 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
114 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
115 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
116 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
117 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
118 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
119 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
120 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
124 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
125 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
126 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
127 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
128 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
129 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
130 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
131 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
132 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
133 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
134 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
135 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
136 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
137 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
138 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
139 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
140 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
141 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
142 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
143 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
144 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
145 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
146 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
147 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
148
149 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
150 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
151 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
152 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
153 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
154
155 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
156 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
157 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
158 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
159 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
160 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
161 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
162 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
163 { 0,}
164 };
165 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
166
167 /*
168 * dmb - For now we add the number of channels to this structure.
169 * In the future we should add a fib that reports the number of channels
170 * for the card. At that time we can remove the channels from here
171 */
172 static struct aac_driver_ident aac_drivers[] = {
173 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 2/Si (Iguana/PERC2Si) */
174 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Opal/PERC3Di) */
175 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Si (SlimFast/PERC3Si */
176 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
177 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Viper/PERC3DiV) */
178 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Lexus/PERC3DiL) */
179 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
180 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Dagger/PERC3DiD) */
181 { aac_rx_init, "percraid", "DELL ", "PERCRAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* PERC 3/Di (Boxster/PERC3DiB) */
182 { aac_rx_init, "aacraid", "ADAPTEC ", "catapult ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* catapult */
183 { aac_rx_init, "aacraid", "ADAPTEC ", "tomcat ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* tomcat */
184 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2120S ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2120S (Crusader) */
185 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec 2200S (Vulcan) */
186 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 2200S ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Adaptec 2200S (Vulcan-2m) */
187 { aac_rx_init, "aacraid", "Legend ", "Legend S220 ", 1, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S220 (Legend Crusader) */
188 { aac_rx_init, "aacraid", "Legend ", "Legend S230 ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend S230 (Legend Vulcan) */
189
190 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3230S ", 2 }, /* Adaptec 3230S (Harrier) */
191 { aac_rx_init, "aacraid", "ADAPTEC ", "Adaptec 3240S ", 2 }, /* Adaptec 3240S (Tornado) */
192 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020ZCR ", 2 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
193 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025ZCR ", 2 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
194 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2230S PCI-X ", 2 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
195 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-2130S PCI-X ", 1 }, /* ASR-2130S (Lancer) */
196 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2820SA ", 1 }, /* AAR-2820SA (Intruder) */
197 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2620SA ", 1 }, /* AAR-2620SA (Intruder) */
198 { aac_rkt_init, "aacraid", "ADAPTEC ", "AAR-2420SA ", 1 }, /* AAR-2420SA (Intruder) */
199 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
204 { aac_rx_init, "aacraid", "ICP ", "ICP9085LI ", 1 }, /* ICP9085LI (Marauder-X) */
205 { aac_rx_init, "aacraid", "ICP ", "ICP5085BR ", 1 }, /* ICP5085BR (Marauder-E) */
206 { aac_rkt_init, "aacraid", "ICP ", "ICP9067MA ", 1 }, /* ICP9067MA (Intruder-6) */
207 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
208 { aac_rkt_init, "aacraid", "ADAPTEC ", "Callisto ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
209 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2020SA ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
210 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2025SA ", 1 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
211 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2410SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
212 { aac_rx_init, "aacraid", "DELL ", "CERC SR2 ", 1, AAC_QUIRK_17SG }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
213 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2810SA SATA ", 1, AAC_QUIRK_17SG }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
214 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-21610SA SATA", 1, AAC_QUIRK_17SG }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
215 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2026ZCR ", 1 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
216 { aac_rx_init, "aacraid", "ADAPTEC ", "AAR-2610SA ", 1 }, /* SATA 6Ch (Bearcat) */
217 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-2240S ", 1 }, /* ASR-2240S (SabreExpress) */
218 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
219 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
220 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
221 { aac_rkt_init, "ServeRAID","IBM ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
222 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4800SAS ", 1 }, /* ASR-4800SAS (Marauder-X) */
224 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4805SAS ", 1 }, /* ASR-4805SAS (Marauder-E) */
225 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
226
227 { aac_rx_init, "percraid", "DELL ", "PERC 320/DC ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
228 { aac_sa_init, "aacraid", "ADAPTEC ", "Adaptec 5400S ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
229 { aac_sa_init, "aacraid", "ADAPTEC ", "AAC-364 ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
230 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
231 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
232
233 { aac_rx_init, "aacraid", "DELL ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Dell Catchall */
234 { aac_rx_init, "aacraid", "Legend ", "RAID ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG | AAC_QUIRK_SCSI_32 }, /* Legend Catchall */
235 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
236 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
237 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
238 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
239 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
241 };
242
243 /**
244 * aac_queuecommand - queue a SCSI command
245 * @cmd: SCSI command to queue
246 * @done: Function to call on command completion
247 *
248 * Queues a command for execution by the associated Host Adapter.
249 *
250 * TODO: unify with aac_scsi_cmd().
251 */
252
253 static int aac_queuecommand(struct Scsi_Host *shost,
254 struct scsi_cmnd *cmd)
255 {
256 int r = 0;
257 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
258 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
259 return r;
260 }
261
262 /**
263 * aac_info - Returns the host adapter name
264 * @shost: Scsi host to report on
265 *
266 * Returns a static string describing the device in question
267 */
268
269 static const char *aac_info(struct Scsi_Host *shost)
270 {
271 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
272 return aac_drivers[dev->cardtype].name;
273 }
274
275 /**
276 * aac_get_driver_ident
277 * @devtype: index into lookup table
278 *
279 * Returns a pointer to the entry in the driver lookup table.
280 */
281
282 struct aac_driver_ident* aac_get_driver_ident(int devtype)
283 {
284 return &aac_drivers[devtype];
285 }
286
287 /**
288 * aac_biosparm - return BIOS parameters for disk
289 * @sdev: The scsi device corresponding to the disk
290 * @bdev: the block device corresponding to the disk
291 * @capacity: the sector capacity of the disk
292 * @geom: geometry block to fill in
293 *
294 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
295 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
296 * number of cylinders so as not to exceed drive capacity. In order for
297 * disks equal to or larger than 1 GB to be addressable by the BIOS
298 * without exceeding the BIOS limitation of 1024 cylinders, Extended
299 * Translation should be enabled. With Extended Translation enabled,
300 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
301 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
302 * are given a disk geometry of 255 heads and 63 sectors. However, if
303 * the BIOS detects that the Extended Translation setting does not match
304 * the geometry in the partition table, then the translation inferred
305 * from the partition table will be used by the BIOS, and a warning may
306 * be displayed.
307 */
308
309 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
310 sector_t capacity, int *geom)
311 {
312 struct diskparm *param = (struct diskparm *)geom;
313 unsigned char *buf;
314
315 dprintk((KERN_DEBUG "aac_biosparm.\n"));
316
317 /*
318 * Assuming extended translation is enabled - #REVISIT#
319 */
320 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
321 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
322 param->heads = 255;
323 param->sectors = 63;
324 } else {
325 param->heads = 128;
326 param->sectors = 32;
327 }
328 } else {
329 param->heads = 64;
330 param->sectors = 32;
331 }
332
333 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
334
335 /*
336 * Read the first 1024 bytes from the disk device, if the boot
337 * sector partition table is valid, search for a partition table
338 * entry whose end_head matches one of the standard geometry
339 * translations ( 64/32, 128/32, 255/63 ).
340 */
341 buf = scsi_bios_ptable(bdev);
342 if (!buf)
343 return 0;
344 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
345 struct partition *first = (struct partition * )buf;
346 struct partition *entry = first;
347 int saved_cylinders = param->cylinders;
348 int num;
349 unsigned char end_head, end_sec;
350
351 for(num = 0; num < 4; num++) {
352 end_head = entry->end_head;
353 end_sec = entry->end_sector & 0x3f;
354
355 if(end_head == 63) {
356 param->heads = 64;
357 param->sectors = 32;
358 break;
359 } else if(end_head == 127) {
360 param->heads = 128;
361 param->sectors = 32;
362 break;
363 } else if(end_head == 254) {
364 param->heads = 255;
365 param->sectors = 63;
366 break;
367 }
368 entry++;
369 }
370
371 if (num == 4) {
372 end_head = first->end_head;
373 end_sec = first->end_sector & 0x3f;
374 }
375
376 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
377 if (num < 4 && end_sec == param->sectors) {
378 if (param->cylinders != saved_cylinders)
379 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
380 param->heads, param->sectors, num));
381 } else if (end_head > 0 || end_sec > 0) {
382 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
383 end_head + 1, end_sec, num));
384 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
385 param->heads, param->sectors));
386 }
387 }
388 kfree(buf);
389 return 0;
390 }
391
392 /**
393 * aac_slave_configure - compute queue depths
394 * @sdev: SCSI device we are considering
395 *
396 * Selects queue depths for each target device based on the host adapter's
397 * total capacity and the queue depth supported by the target device.
398 * A queue depth of one automatically disables tagged queueing.
399 */
400
401 static int aac_slave_configure(struct scsi_device *sdev)
402 {
403 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
404 if (aac->jbod && (sdev->type == TYPE_DISK))
405 sdev->removable = 1;
406 if ((sdev->type == TYPE_DISK) &&
407 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
408 (!aac->jbod || sdev->inq_periph_qual) &&
409 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
410 if (expose_physicals == 0)
411 return -ENXIO;
412 if (expose_physicals < 0)
413 sdev->no_uld_attach = 1;
414 }
415 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
416 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
417 !sdev->no_uld_attach) {
418 struct scsi_device * dev;
419 struct Scsi_Host *host = sdev->host;
420 unsigned num_lsu = 0;
421 unsigned num_one = 0;
422 unsigned depth;
423 unsigned cid;
424
425 /*
426 * Firmware has an individual device recovery time typically
427 * of 35 seconds, give us a margin.
428 */
429 if (sdev->request_queue->rq_timeout < (45 * HZ))
430 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
431 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
432 if (aac->fsa_dev[cid].valid)
433 ++num_lsu;
434 __shost_for_each_device(dev, host) {
435 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
436 (!aac->raid_scsi_mode ||
437 (sdev_channel(sdev) != 2)) &&
438 !dev->no_uld_attach) {
439 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
440 || !aac->fsa_dev[sdev_id(dev)].valid)
441 ++num_lsu;
442 } else
443 ++num_one;
444 }
445 if (num_lsu == 0)
446 ++num_lsu;
447 depth = (host->can_queue - num_one) / num_lsu;
448 if (depth > 256)
449 depth = 256;
450 else if (depth < 2)
451 depth = 2;
452 scsi_change_queue_depth(sdev, depth);
453 } else {
454 scsi_change_queue_depth(sdev, 1);
455
456 sdev->tagged_supported = 1;
457 }
458
459 return 0;
460 }
461
462 /**
463 * aac_change_queue_depth - alter queue depths
464 * @sdev: SCSI device we are considering
465 * @depth: desired queue depth
466 *
467 * Alters queue depths for target device based on the host adapter's
468 * total capacity and the queue depth supported by the target device.
469 */
470
471 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
472 {
473 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
474 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
475 struct scsi_device * dev;
476 struct Scsi_Host *host = sdev->host;
477 unsigned num = 0;
478
479 __shost_for_each_device(dev, host) {
480 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
481 (sdev_channel(dev) == CONTAINER_CHANNEL))
482 ++num;
483 ++num;
484 }
485 if (num >= host->can_queue)
486 num = host->can_queue - 1;
487 if (depth > (host->can_queue - num))
488 depth = host->can_queue - num;
489 if (depth > 256)
490 depth = 256;
491 else if (depth < 2)
492 depth = 2;
493 return scsi_change_queue_depth(sdev, depth);
494 }
495
496 return scsi_change_queue_depth(sdev, 1);
497 }
498
499 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
500 {
501 struct scsi_device *sdev = to_scsi_device(dev);
502 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
503 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
504 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
505 ? "Hidden\n" :
506 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
507 return snprintf(buf, PAGE_SIZE, "%s\n",
508 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
509 }
510
511 static struct device_attribute aac_raid_level_attr = {
512 .attr = {
513 .name = "level",
514 .mode = S_IRUGO,
515 },
516 .show = aac_show_raid_level
517 };
518
519 static struct device_attribute *aac_dev_attrs[] = {
520 &aac_raid_level_attr,
521 NULL,
522 };
523
524 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
525 {
526 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
527 if (!capable(CAP_SYS_RAWIO))
528 return -EPERM;
529 return aac_do_ioctl(dev, cmd, arg);
530 }
531
532 static int aac_eh_abort(struct scsi_cmnd* cmd)
533 {
534 struct scsi_device * dev = cmd->device;
535 struct Scsi_Host * host = dev->host;
536 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
537 int count;
538 int ret = FAILED;
539
540 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
541 AAC_DRIVERNAME,
542 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
543 switch (cmd->cmnd[0]) {
544 case SERVICE_ACTION_IN_16:
545 if (!(aac->raw_io_interface) ||
546 !(aac->raw_io_64) ||
547 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
548 break;
549 case INQUIRY:
550 case READ_CAPACITY:
551 /* Mark associated FIB to not complete, eh handler does this */
552 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
553 struct fib * fib = &aac->fibs[count];
554 if (fib->hw_fib_va->header.XferState &&
555 (fib->flags & FIB_CONTEXT_FLAG) &&
556 (fib->callback_data == cmd)) {
557 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
558 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
559 ret = SUCCESS;
560 }
561 }
562 break;
563 case TEST_UNIT_READY:
564 /* Mark associated FIB to not complete, eh handler does this */
565 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
566 struct scsi_cmnd * command;
567 struct fib * fib = &aac->fibs[count];
568 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
569 (fib->flags & FIB_CONTEXT_FLAG) &&
570 ((command = fib->callback_data)) &&
571 (command->device == cmd->device)) {
572 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
573 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
574 if (command == cmd)
575 ret = SUCCESS;
576 }
577 }
578 }
579 return ret;
580 }
581
582 /*
583 * aac_eh_reset - Reset command handling
584 * @scsi_cmd: SCSI command block causing the reset
585 *
586 */
587 static int aac_eh_reset(struct scsi_cmnd* cmd)
588 {
589 struct scsi_device * dev = cmd->device;
590 struct Scsi_Host * host = dev->host;
591 struct scsi_cmnd * command;
592 int count;
593 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
594 unsigned long flags;
595
596 /* Mark the associated FIB to not complete, eh handler does this */
597 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
598 struct fib * fib = &aac->fibs[count];
599 if (fib->hw_fib_va->header.XferState &&
600 (fib->flags & FIB_CONTEXT_FLAG) &&
601 (fib->callback_data == cmd)) {
602 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
603 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
604 }
605 }
606 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
607 AAC_DRIVERNAME);
608
609 if ((count = aac_check_health(aac)))
610 return count;
611 /*
612 * Wait for all commands to complete to this specific
613 * target (block maximum 60 seconds).
614 */
615 for (count = 60; count; --count) {
616 int active = aac->in_reset;
617
618 if (active == 0)
619 __shost_for_each_device(dev, host) {
620 spin_lock_irqsave(&dev->list_lock, flags);
621 list_for_each_entry(command, &dev->cmd_list, list) {
622 if ((command != cmd) &&
623 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
624 active++;
625 break;
626 }
627 }
628 spin_unlock_irqrestore(&dev->list_lock, flags);
629 if (active)
630 break;
631
632 }
633 /*
634 * We can exit If all the commands are complete
635 */
636 if (active == 0)
637 return SUCCESS;
638 ssleep(1);
639 }
640 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
641 /*
642 * This adapter needs a blind reset, only do so for Adapters that
643 * support a register, instead of a commanded, reset.
644 */
645 if (((aac->supplement_adapter_info.SupportedOptions2 &
646 AAC_OPTION_MU_RESET) ||
647 (aac->supplement_adapter_info.SupportedOptions2 &
648 AAC_OPTION_DOORBELL_RESET)) &&
649 aac_check_reset &&
650 ((aac_check_reset != 1) ||
651 !(aac->supplement_adapter_info.SupportedOptions2 &
652 AAC_OPTION_IGNORE_RESET)))
653 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
654 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
655 }
656
657 /**
658 * aac_cfg_open - open a configuration file
659 * @inode: inode being opened
660 * @file: file handle attached
661 *
662 * Called when the configuration device is opened. Does the needed
663 * set up on the handle and then returns
664 *
665 * Bugs: This needs extending to check a given adapter is present
666 * so we can support hot plugging, and to ref count adapters.
667 */
668
669 static int aac_cfg_open(struct inode *inode, struct file *file)
670 {
671 struct aac_dev *aac;
672 unsigned minor_number = iminor(inode);
673 int err = -ENODEV;
674
675 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
676 list_for_each_entry(aac, &aac_devices, entry) {
677 if (aac->id == minor_number) {
678 file->private_data = aac;
679 err = 0;
680 break;
681 }
682 }
683 mutex_unlock(&aac_mutex);
684
685 return err;
686 }
687
688 /**
689 * aac_cfg_ioctl - AAC configuration request
690 * @inode: inode of device
691 * @file: file handle
692 * @cmd: ioctl command code
693 * @arg: argument
694 *
695 * Handles a configuration ioctl. Currently this involves wrapping it
696 * up and feeding it into the nasty windowsalike glue layer.
697 *
698 * Bugs: Needs locking against parallel ioctls lower down
699 * Bugs: Needs to handle hot plugging
700 */
701
702 static long aac_cfg_ioctl(struct file *file,
703 unsigned int cmd, unsigned long arg)
704 {
705 struct aac_dev *aac = (struct aac_dev *)file->private_data;
706
707 if (!capable(CAP_SYS_RAWIO))
708 return -EPERM;
709
710 return aac_do_ioctl(aac, cmd, (void __user *)arg);
711 }
712
713 #ifdef CONFIG_COMPAT
714 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
715 {
716 long ret;
717 switch (cmd) {
718 case FSACTL_MINIPORT_REV_CHECK:
719 case FSACTL_SENDFIB:
720 case FSACTL_OPEN_GET_ADAPTER_FIB:
721 case FSACTL_CLOSE_GET_ADAPTER_FIB:
722 case FSACTL_SEND_RAW_SRB:
723 case FSACTL_GET_PCI_INFO:
724 case FSACTL_QUERY_DISK:
725 case FSACTL_DELETE_DISK:
726 case FSACTL_FORCE_DELETE_DISK:
727 case FSACTL_GET_CONTAINERS:
728 case FSACTL_SEND_LARGE_FIB:
729 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
730 break;
731
732 case FSACTL_GET_NEXT_ADAPTER_FIB: {
733 struct fib_ioctl __user *f;
734
735 f = compat_alloc_user_space(sizeof(*f));
736 ret = 0;
737 if (clear_user(f, sizeof(*f)))
738 ret = -EFAULT;
739 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
740 ret = -EFAULT;
741 if (!ret)
742 ret = aac_do_ioctl(dev, cmd, f);
743 break;
744 }
745
746 default:
747 ret = -ENOIOCTLCMD;
748 break;
749 }
750 return ret;
751 }
752
753 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
754 {
755 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
756 if (!capable(CAP_SYS_RAWIO))
757 return -EPERM;
758 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
759 }
760
761 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
762 {
763 if (!capable(CAP_SYS_RAWIO))
764 return -EPERM;
765 return aac_compat_do_ioctl(file->private_data, cmd, arg);
766 }
767 #endif
768
769 static ssize_t aac_show_model(struct device *device,
770 struct device_attribute *attr, char *buf)
771 {
772 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
773 int len;
774
775 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
776 char * cp = dev->supplement_adapter_info.AdapterTypeText;
777 while (*cp && *cp != ' ')
778 ++cp;
779 while (*cp == ' ')
780 ++cp;
781 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
782 } else
783 len = snprintf(buf, PAGE_SIZE, "%s\n",
784 aac_drivers[dev->cardtype].model);
785 return len;
786 }
787
788 static ssize_t aac_show_vendor(struct device *device,
789 struct device_attribute *attr, char *buf)
790 {
791 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
792 int len;
793
794 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
795 char * cp = dev->supplement_adapter_info.AdapterTypeText;
796 while (*cp && *cp != ' ')
797 ++cp;
798 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
799 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
800 dev->supplement_adapter_info.AdapterTypeText);
801 } else
802 len = snprintf(buf, PAGE_SIZE, "%s\n",
803 aac_drivers[dev->cardtype].vname);
804 return len;
805 }
806
807 static ssize_t aac_show_flags(struct device *cdev,
808 struct device_attribute *attr, char *buf)
809 {
810 int len = 0;
811 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
812
813 if (nblank(dprintk(x)))
814 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
815 #ifdef AAC_DETAILED_STATUS_INFO
816 len += snprintf(buf + len, PAGE_SIZE - len,
817 "AAC_DETAILED_STATUS_INFO\n");
818 #endif
819 if (dev->raw_io_interface && dev->raw_io_64)
820 len += snprintf(buf + len, PAGE_SIZE - len,
821 "SAI_READ_CAPACITY_16\n");
822 if (dev->jbod)
823 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
824 if (dev->supplement_adapter_info.SupportedOptions2 &
825 AAC_OPTION_POWER_MANAGEMENT)
826 len += snprintf(buf + len, PAGE_SIZE - len,
827 "SUPPORTED_POWER_MANAGEMENT\n");
828 if (dev->msi)
829 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
830 return len;
831 }
832
833 static ssize_t aac_show_kernel_version(struct device *device,
834 struct device_attribute *attr,
835 char *buf)
836 {
837 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
838 int len, tmp;
839
840 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
841 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
842 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
843 le32_to_cpu(dev->adapter_info.kernelbuild));
844 return len;
845 }
846
847 static ssize_t aac_show_monitor_version(struct device *device,
848 struct device_attribute *attr,
849 char *buf)
850 {
851 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
852 int len, tmp;
853
854 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
855 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
856 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
857 le32_to_cpu(dev->adapter_info.monitorbuild));
858 return len;
859 }
860
861 static ssize_t aac_show_bios_version(struct device *device,
862 struct device_attribute *attr,
863 char *buf)
864 {
865 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
866 int len, tmp;
867
868 tmp = le32_to_cpu(dev->adapter_info.biosrev);
869 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
870 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
871 le32_to_cpu(dev->adapter_info.biosbuild));
872 return len;
873 }
874
875 static ssize_t aac_show_serial_number(struct device *device,
876 struct device_attribute *attr, char *buf)
877 {
878 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
879 int len = 0;
880
881 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
882 len = snprintf(buf, 16, "%06X\n",
883 le32_to_cpu(dev->adapter_info.serial[0]));
884 if (len &&
885 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
886 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
887 buf, len-1))
888 len = snprintf(buf, 16, "%.*s\n",
889 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
890 dev->supplement_adapter_info.MfgPcbaSerialNo);
891
892 return min(len, 16);
893 }
894
895 static ssize_t aac_show_max_channel(struct device *device,
896 struct device_attribute *attr, char *buf)
897 {
898 return snprintf(buf, PAGE_SIZE, "%d\n",
899 class_to_shost(device)->max_channel);
900 }
901
902 static ssize_t aac_show_max_id(struct device *device,
903 struct device_attribute *attr, char *buf)
904 {
905 return snprintf(buf, PAGE_SIZE, "%d\n",
906 class_to_shost(device)->max_id);
907 }
908
909 static ssize_t aac_store_reset_adapter(struct device *device,
910 struct device_attribute *attr,
911 const char *buf, size_t count)
912 {
913 int retval = -EACCES;
914
915 if (!capable(CAP_SYS_ADMIN))
916 return retval;
917 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
918 if (retval >= 0)
919 retval = count;
920 return retval;
921 }
922
923 static ssize_t aac_show_reset_adapter(struct device *device,
924 struct device_attribute *attr,
925 char *buf)
926 {
927 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
928 int len, tmp;
929
930 tmp = aac_adapter_check_health(dev);
931 if ((tmp == 0) && dev->in_reset)
932 tmp = -EBUSY;
933 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
934 return len;
935 }
936
937 static struct device_attribute aac_model = {
938 .attr = {
939 .name = "model",
940 .mode = S_IRUGO,
941 },
942 .show = aac_show_model,
943 };
944 static struct device_attribute aac_vendor = {
945 .attr = {
946 .name = "vendor",
947 .mode = S_IRUGO,
948 },
949 .show = aac_show_vendor,
950 };
951 static struct device_attribute aac_flags = {
952 .attr = {
953 .name = "flags",
954 .mode = S_IRUGO,
955 },
956 .show = aac_show_flags,
957 };
958 static struct device_attribute aac_kernel_version = {
959 .attr = {
960 .name = "hba_kernel_version",
961 .mode = S_IRUGO,
962 },
963 .show = aac_show_kernel_version,
964 };
965 static struct device_attribute aac_monitor_version = {
966 .attr = {
967 .name = "hba_monitor_version",
968 .mode = S_IRUGO,
969 },
970 .show = aac_show_monitor_version,
971 };
972 static struct device_attribute aac_bios_version = {
973 .attr = {
974 .name = "hba_bios_version",
975 .mode = S_IRUGO,
976 },
977 .show = aac_show_bios_version,
978 };
979 static struct device_attribute aac_serial_number = {
980 .attr = {
981 .name = "serial_number",
982 .mode = S_IRUGO,
983 },
984 .show = aac_show_serial_number,
985 };
986 static struct device_attribute aac_max_channel = {
987 .attr = {
988 .name = "max_channel",
989 .mode = S_IRUGO,
990 },
991 .show = aac_show_max_channel,
992 };
993 static struct device_attribute aac_max_id = {
994 .attr = {
995 .name = "max_id",
996 .mode = S_IRUGO,
997 },
998 .show = aac_show_max_id,
999 };
1000 static struct device_attribute aac_reset = {
1001 .attr = {
1002 .name = "reset_host",
1003 .mode = S_IWUSR|S_IRUGO,
1004 },
1005 .store = aac_store_reset_adapter,
1006 .show = aac_show_reset_adapter,
1007 };
1008
1009 static struct device_attribute *aac_attrs[] = {
1010 &aac_model,
1011 &aac_vendor,
1012 &aac_flags,
1013 &aac_kernel_version,
1014 &aac_monitor_version,
1015 &aac_bios_version,
1016 &aac_serial_number,
1017 &aac_max_channel,
1018 &aac_max_id,
1019 &aac_reset,
1020 NULL
1021 };
1022
1023 ssize_t aac_get_serial_number(struct device *device, char *buf)
1024 {
1025 return aac_show_serial_number(device, &aac_serial_number, buf);
1026 }
1027
1028 static const struct file_operations aac_cfg_fops = {
1029 .owner = THIS_MODULE,
1030 .unlocked_ioctl = aac_cfg_ioctl,
1031 #ifdef CONFIG_COMPAT
1032 .compat_ioctl = aac_compat_cfg_ioctl,
1033 #endif
1034 .open = aac_cfg_open,
1035 .llseek = noop_llseek,
1036 };
1037
1038 static struct scsi_host_template aac_driver_template = {
1039 .module = THIS_MODULE,
1040 .name = "AAC",
1041 .proc_name = AAC_DRIVERNAME,
1042 .info = aac_info,
1043 .ioctl = aac_ioctl,
1044 #ifdef CONFIG_COMPAT
1045 .compat_ioctl = aac_compat_ioctl,
1046 #endif
1047 .queuecommand = aac_queuecommand,
1048 .bios_param = aac_biosparm,
1049 .shost_attrs = aac_attrs,
1050 .slave_configure = aac_slave_configure,
1051 .change_queue_depth = aac_change_queue_depth,
1052 .sdev_attrs = aac_dev_attrs,
1053 .eh_abort_handler = aac_eh_abort,
1054 .eh_host_reset_handler = aac_eh_reset,
1055 .can_queue = AAC_NUM_IO_FIB,
1056 .this_id = MAXIMUM_NUM_CONTAINERS,
1057 .sg_tablesize = 16,
1058 .max_sectors = 128,
1059 #if (AAC_NUM_IO_FIB > 256)
1060 .cmd_per_lun = 256,
1061 #else
1062 .cmd_per_lun = AAC_NUM_IO_FIB,
1063 #endif
1064 .use_clustering = ENABLE_CLUSTERING,
1065 .emulated = 1,
1066 .no_write_same = 1,
1067 };
1068
1069 static void __aac_shutdown(struct aac_dev * aac)
1070 {
1071 int i;
1072
1073 aac_send_shutdown(aac);
1074
1075 if (aac->aif_thread) {
1076 int i;
1077 /* Clear out events first */
1078 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1079 struct fib *fib = &aac->fibs[i];
1080 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1081 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1082 up(&fib->event_wait);
1083 }
1084 kthread_stop(aac->thread);
1085 }
1086 aac_adapter_disable_int(aac);
1087 if (aac->pdev->device == PMC_DEVICE_S6 ||
1088 aac->pdev->device == PMC_DEVICE_S7 ||
1089 aac->pdev->device == PMC_DEVICE_S8 ||
1090 aac->pdev->device == PMC_DEVICE_S9) {
1091 if (aac->max_msix > 1) {
1092 for (i = 0; i < aac->max_msix; i++) {
1093 free_irq(pci_irq_vector(aac->pdev, i),
1094 &(aac->aac_msix[i]));
1095 }
1096 } else {
1097 free_irq(aac->pdev->irq,
1098 &(aac->aac_msix[0]));
1099 }
1100 } else {
1101 free_irq(aac->pdev->irq, aac);
1102 }
1103 if (aac->msi)
1104 pci_disable_msi(aac->pdev);
1105 else if (aac->max_msix > 1)
1106 pci_disable_msix(aac->pdev);
1107 }
1108 static void aac_init_char(void)
1109 {
1110 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1111 if (aac_cfg_major < 0) {
1112 pr_err("aacraid: unable to register \"aac\" device.\n");
1113 }
1114 }
1115
1116 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1117 {
1118 unsigned index = id->driver_data;
1119 struct Scsi_Host *shost;
1120 struct aac_dev *aac;
1121 struct list_head *insert = &aac_devices;
1122 int error = -ENODEV;
1123 int unique_id = 0;
1124 u64 dmamask;
1125 extern int aac_sync_mode;
1126
1127 /*
1128 * Only series 7 needs freset.
1129 */
1130 if (pdev->device == PMC_DEVICE_S7)
1131 pdev->needs_freset = 1;
1132
1133 list_for_each_entry(aac, &aac_devices, entry) {
1134 if (aac->id > unique_id)
1135 break;
1136 insert = &aac->entry;
1137 unique_id++;
1138 }
1139
1140 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1141 PCIE_LINK_STATE_CLKPM);
1142
1143 error = pci_enable_device(pdev);
1144 if (error)
1145 goto out;
1146 error = -ENODEV;
1147
1148 /*
1149 * If the quirk31 bit is set, the adapter needs adapter
1150 * to driver communication memory to be allocated below 2gig
1151 */
1152 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1153 dmamask = DMA_BIT_MASK(31);
1154 else
1155 dmamask = DMA_BIT_MASK(32);
1156
1157 if (pci_set_dma_mask(pdev, dmamask) ||
1158 pci_set_consistent_dma_mask(pdev, dmamask))
1159 goto out_disable_pdev;
1160
1161 pci_set_master(pdev);
1162
1163 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1164 if (!shost)
1165 goto out_disable_pdev;
1166
1167 shost->irq = pdev->irq;
1168 shost->unique_id = unique_id;
1169 shost->max_cmd_len = 16;
1170 shost->use_cmd_list = 1;
1171
1172 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1173 aac_init_char();
1174
1175 aac = (struct aac_dev *)shost->hostdata;
1176 aac->base_start = pci_resource_start(pdev, 0);
1177 aac->scsi_host_ptr = shost;
1178 aac->pdev = pdev;
1179 aac->name = aac_driver_template.name;
1180 aac->id = shost->unique_id;
1181 aac->cardtype = index;
1182 INIT_LIST_HEAD(&aac->entry);
1183
1184 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1185 if (!aac->fibs)
1186 goto out_free_host;
1187 spin_lock_init(&aac->fib_lock);
1188
1189 mutex_init(&aac->ioctl_mutex);
1190 /*
1191 * Map in the registers from the adapter.
1192 */
1193 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1194 if ((*aac_drivers[index].init)(aac))
1195 goto out_unmap;
1196
1197 if (aac->sync_mode) {
1198 if (aac_sync_mode)
1199 printk(KERN_INFO "%s%d: Sync. mode enforced "
1200 "by driver parameter. This will cause "
1201 "a significant performance decrease!\n",
1202 aac->name,
1203 aac->id);
1204 else
1205 printk(KERN_INFO "%s%d: Async. mode not supported "
1206 "by current driver, sync. mode enforced."
1207 "\nPlease update driver to get full performance.\n",
1208 aac->name,
1209 aac->id);
1210 }
1211
1212 /*
1213 * Start any kernel threads needed
1214 */
1215 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1216 if (IS_ERR(aac->thread)) {
1217 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1218 error = PTR_ERR(aac->thread);
1219 aac->thread = NULL;
1220 goto out_deinit;
1221 }
1222
1223 /*
1224 * If we had set a smaller DMA mask earlier, set it to 4gig
1225 * now since the adapter can dma data to at least a 4gig
1226 * address space.
1227 */
1228 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1229 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1230 goto out_deinit;
1231
1232 aac->maximum_num_channels = aac_drivers[index].channels;
1233 error = aac_get_adapter_info(aac);
1234 if (error < 0)
1235 goto out_deinit;
1236
1237 /*
1238 * Lets override negotiations and drop the maximum SG limit to 34
1239 */
1240 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1241 (shost->sg_tablesize > 34)) {
1242 shost->sg_tablesize = 34;
1243 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1244 }
1245
1246 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1247 (shost->sg_tablesize > 17)) {
1248 shost->sg_tablesize = 17;
1249 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1250 }
1251
1252 error = pci_set_dma_max_seg_size(pdev,
1253 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1254 (shost->max_sectors << 9) : 65536);
1255 if (error)
1256 goto out_deinit;
1257
1258 /*
1259 * Firmware printf works only with older firmware.
1260 */
1261 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1262 aac->printf_enabled = 1;
1263 else
1264 aac->printf_enabled = 0;
1265
1266 /*
1267 * max channel will be the physical channels plus 1 virtual channel
1268 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1269 * physical channels are address by their actual physical number+1
1270 */
1271 if (aac->nondasd_support || expose_physicals || aac->jbod)
1272 shost->max_channel = aac->maximum_num_channels;
1273 else
1274 shost->max_channel = 0;
1275
1276 aac_get_config_status(aac, 0);
1277 aac_get_containers(aac);
1278 list_add(&aac->entry, insert);
1279
1280 shost->max_id = aac->maximum_num_containers;
1281 if (shost->max_id < aac->maximum_num_physicals)
1282 shost->max_id = aac->maximum_num_physicals;
1283 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1284 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1285 else
1286 shost->this_id = shost->max_id;
1287
1288 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1289 aac_intr_normal(aac, 0, 2, 0, NULL);
1290
1291 /*
1292 * dmb - we may need to move the setting of these parms somewhere else once
1293 * we get a fib that can report the actual numbers
1294 */
1295 shost->max_lun = AAC_MAX_LUN;
1296
1297 pci_set_drvdata(pdev, shost);
1298
1299 error = scsi_add_host(shost, &pdev->dev);
1300 if (error)
1301 goto out_deinit;
1302 scsi_scan_host(shost);
1303
1304 pci_enable_pcie_error_reporting(pdev);
1305 pci_save_state(pdev);
1306
1307 return 0;
1308
1309 out_deinit:
1310 __aac_shutdown(aac);
1311 out_unmap:
1312 aac_fib_map_free(aac);
1313 if (aac->comm_addr)
1314 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1315 aac->comm_phys);
1316 kfree(aac->queues);
1317 aac_adapter_ioremap(aac, 0);
1318 kfree(aac->fibs);
1319 kfree(aac->fsa_dev);
1320 out_free_host:
1321 scsi_host_put(shost);
1322 out_disable_pdev:
1323 pci_disable_device(pdev);
1324 out:
1325 return error;
1326 }
1327
1328 static void aac_release_resources(struct aac_dev *aac)
1329 {
1330 aac_adapter_disable_int(aac);
1331 aac_free_irq(aac);
1332 }
1333
1334 static int aac_acquire_resources(struct aac_dev *dev)
1335 {
1336 unsigned long status;
1337 /*
1338 * First clear out all interrupts. Then enable the one's that we
1339 * can handle.
1340 */
1341 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1342 || status == 0xffffffff)
1343 msleep(20);
1344
1345 aac_adapter_disable_int(dev);
1346 aac_adapter_enable_int(dev);
1347
1348
1349 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1350 dev->pdev->device == PMC_DEVICE_S8 ||
1351 dev->pdev->device == PMC_DEVICE_S9))
1352 aac_define_int_mode(dev);
1353
1354 if (dev->msi_enabled)
1355 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1356
1357 if (aac_acquire_irq(dev))
1358 goto error_iounmap;
1359
1360 aac_adapter_enable_int(dev);
1361
1362 /*max msix may change after EEH
1363 * Re-assign vectors to fibs
1364 */
1365 aac_fib_vector_assign(dev);
1366
1367 if (!dev->sync_mode) {
1368 /* After EEH recovery or suspend resume, max_msix count
1369 * may change, therfore updating in init as well.
1370 */
1371 dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
1372 aac_adapter_start(dev);
1373 }
1374 return 0;
1375
1376 error_iounmap:
1377 return -1;
1378
1379 }
1380
1381 #if (defined(CONFIG_PM))
1382 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1383 {
1384
1385 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1386 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1387
1388 scsi_block_requests(shost);
1389 aac_send_shutdown(aac);
1390
1391 aac_release_resources(aac);
1392
1393 pci_set_drvdata(pdev, shost);
1394 pci_save_state(pdev);
1395 pci_disable_device(pdev);
1396 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1397
1398 return 0;
1399 }
1400
1401 static int aac_resume(struct pci_dev *pdev)
1402 {
1403 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1404 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1405 int r;
1406
1407 pci_set_power_state(pdev, PCI_D0);
1408 pci_enable_wake(pdev, PCI_D0, 0);
1409 pci_restore_state(pdev);
1410 r = pci_enable_device(pdev);
1411
1412 if (r)
1413 goto fail_device;
1414
1415 pci_set_master(pdev);
1416 if (aac_acquire_resources(aac))
1417 goto fail_device;
1418 /*
1419 * reset this flag to unblock ioctl() as it was set at
1420 * aac_send_shutdown() to block ioctls from upperlayer
1421 */
1422 aac->adapter_shutdown = 0;
1423 scsi_unblock_requests(shost);
1424
1425 return 0;
1426
1427 fail_device:
1428 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1429 scsi_host_put(shost);
1430 pci_disable_device(pdev);
1431 return -ENODEV;
1432 }
1433 #endif
1434
1435 static void aac_shutdown(struct pci_dev *dev)
1436 {
1437 struct Scsi_Host *shost = pci_get_drvdata(dev);
1438 scsi_block_requests(shost);
1439 __aac_shutdown((struct aac_dev *)shost->hostdata);
1440 }
1441
1442 static void aac_remove_one(struct pci_dev *pdev)
1443 {
1444 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1445 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1446
1447 scsi_remove_host(shost);
1448
1449 __aac_shutdown(aac);
1450 aac_fib_map_free(aac);
1451 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1452 aac->comm_phys);
1453 kfree(aac->queues);
1454
1455 aac_adapter_ioremap(aac, 0);
1456
1457 kfree(aac->fibs);
1458 kfree(aac->fsa_dev);
1459
1460 list_del(&aac->entry);
1461 scsi_host_put(shost);
1462 pci_disable_device(pdev);
1463 if (list_empty(&aac_devices)) {
1464 unregister_chrdev(aac_cfg_major, "aac");
1465 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1466 }
1467 }
1468
1469 static void aac_flush_ios(struct aac_dev *aac)
1470 {
1471 int i;
1472 struct scsi_cmnd *cmd;
1473
1474 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1475 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1476 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1477 scsi_dma_unmap(cmd);
1478
1479 if (aac->handle_pci_error)
1480 cmd->result = DID_NO_CONNECT << 16;
1481 else
1482 cmd->result = DID_RESET << 16;
1483
1484 cmd->scsi_done(cmd);
1485 }
1486 }
1487 }
1488
1489 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1490 enum pci_channel_state error)
1491 {
1492 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1493 struct aac_dev *aac = shost_priv(shost);
1494
1495 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1496
1497 switch (error) {
1498 case pci_channel_io_normal:
1499 return PCI_ERS_RESULT_CAN_RECOVER;
1500 case pci_channel_io_frozen:
1501 aac->handle_pci_error = 1;
1502
1503 scsi_block_requests(aac->scsi_host_ptr);
1504 aac_flush_ios(aac);
1505 aac_release_resources(aac);
1506
1507 pci_disable_pcie_error_reporting(pdev);
1508 aac_adapter_ioremap(aac, 0);
1509
1510 return PCI_ERS_RESULT_NEED_RESET;
1511 case pci_channel_io_perm_failure:
1512 aac->handle_pci_error = 1;
1513
1514 aac_flush_ios(aac);
1515 return PCI_ERS_RESULT_DISCONNECT;
1516 }
1517
1518 return PCI_ERS_RESULT_NEED_RESET;
1519 }
1520
1521 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1522 {
1523 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1524 return PCI_ERS_RESULT_NEED_RESET;
1525 }
1526
1527 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1528 {
1529 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1530 pci_restore_state(pdev);
1531 if (pci_enable_device(pdev)) {
1532 dev_warn(&pdev->dev,
1533 "aacraid: failed to enable slave\n");
1534 goto fail_device;
1535 }
1536
1537 pci_set_master(pdev);
1538
1539 if (pci_enable_device_mem(pdev)) {
1540 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1541 goto fail_device;
1542 }
1543
1544 return PCI_ERS_RESULT_RECOVERED;
1545
1546 fail_device:
1547 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1548 return PCI_ERS_RESULT_DISCONNECT;
1549 }
1550
1551
1552 static void aac_pci_resume(struct pci_dev *pdev)
1553 {
1554 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1555 struct scsi_device *sdev = NULL;
1556 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1557
1558 pci_cleanup_aer_uncorrect_error_status(pdev);
1559
1560 if (aac_adapter_ioremap(aac, aac->base_size)) {
1561
1562 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1563 /* remap failed, go back ... */
1564 aac->comm_interface = AAC_COMM_PRODUCER;
1565 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1566 dev_warn(&pdev->dev,
1567 "aacraid: unable to map adapter.\n");
1568
1569 return;
1570 }
1571 }
1572
1573 msleep(10000);
1574
1575 aac_acquire_resources(aac);
1576
1577 /*
1578 * reset this flag to unblock ioctl() as it was set
1579 * at aac_send_shutdown() to block ioctls from upperlayer
1580 */
1581 aac->adapter_shutdown = 0;
1582 aac->handle_pci_error = 0;
1583
1584 shost_for_each_device(sdev, shost)
1585 if (sdev->sdev_state == SDEV_OFFLINE)
1586 sdev->sdev_state = SDEV_RUNNING;
1587 scsi_unblock_requests(aac->scsi_host_ptr);
1588 scsi_scan_host(aac->scsi_host_ptr);
1589 pci_save_state(pdev);
1590
1591 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1592 }
1593
1594 static struct pci_error_handlers aac_pci_err_handler = {
1595 .error_detected = aac_pci_error_detected,
1596 .mmio_enabled = aac_pci_mmio_enabled,
1597 .slot_reset = aac_pci_slot_reset,
1598 .resume = aac_pci_resume,
1599 };
1600
1601 static struct pci_driver aac_pci_driver = {
1602 .name = AAC_DRIVERNAME,
1603 .id_table = aac_pci_tbl,
1604 .probe = aac_probe_one,
1605 .remove = aac_remove_one,
1606 #if (defined(CONFIG_PM))
1607 .suspend = aac_suspend,
1608 .resume = aac_resume,
1609 #endif
1610 .shutdown = aac_shutdown,
1611 .err_handler = &aac_pci_err_handler,
1612 };
1613
1614 static int __init aac_init(void)
1615 {
1616 int error;
1617
1618 printk(KERN_INFO "Adaptec %s driver %s\n",
1619 AAC_DRIVERNAME, aac_driver_version);
1620
1621 error = pci_register_driver(&aac_pci_driver);
1622 if (error < 0)
1623 return error;
1624
1625 aac_init_char();
1626
1627
1628 return 0;
1629 }
1630
1631 static void __exit aac_exit(void)
1632 {
1633 if (aac_cfg_major > -1)
1634 unregister_chrdev(aac_cfg_major, "aac");
1635 pci_unregister_driver(&aac_pci_driver);
1636 }
1637
1638 module_init(aac_init);
1639 module_exit(aac_exit);
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