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Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[cris-mirror.git] / drivers / scsi / aacraid / linit.c
blob21a67ed047e8741889ee2a254989f55d095ddbd8
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 { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */
164 { 0,}
165 };
166 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
167
168 /*
169 * dmb - For now we add the number of channels to this structure.
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 */
173 static struct aac_driver_ident aac_drivers[] = {
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 */
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) */
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) */
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) */
200 { aac_rkt_init, "aacraid", "ICP ", "ICP9024RO ", 2 }, /* ICP9024RO (Lancer) */
201 { aac_rkt_init, "aacraid", "ICP ", "ICP9014RO ", 1 }, /* ICP9014RO (Lancer) */
202 { aac_rkt_init, "aacraid", "ICP ", "ICP9047MA ", 1 }, /* ICP9047MA (Lancer) */
203 { aac_rkt_init, "aacraid", "ICP ", "ICP9087MA ", 1 }, /* ICP9087MA (Lancer) */
204 { aac_rkt_init, "aacraid", "ICP ", "ICP5445AU ", 1 }, /* ICP5445AU (Hurricane44) */
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) */
208 { NULL , "aacraid", "ADAPTEC ", "Themisto ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
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) */
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) */
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) */
219 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4005 ", 1 }, /* ASR-4005 */
220 { aac_rx_init, "ServeRAID","IBM ", "ServeRAID 8i ", 1 }, /* IBM 8i (AvonPark) */
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) */
223 { aac_rx_init, "aacraid", "ADAPTEC ", "ASR-4000 ", 1 }, /* ASR-4000 (BlackBird & AvonPark) */
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) */
226 { aac_rkt_init, "aacraid", "ADAPTEC ", "ASR-3800 ", 1 }, /* ASR-3800 (Hurricane44) */
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)*/
231 { aac_sa_init, "percraid", "DELL ", "PERCRAID ", 4, AAC_QUIRK_34SG }, /* Dell PERC2/QC */
232 { aac_sa_init, "hpnraid", "HP ", "NetRAID ", 4, AAC_QUIRK_34SG }, /* HP NetRAID-4M */
233
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 */
236 { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */
237 { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */
238 { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */
239 { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */
242 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */
243 };
244
245 /**
246 * aac_queuecommand - queue a SCSI command
247 * @cmd: SCSI command to queue
248 * @done: Function to call on command completion
249 *
250 * Queues a command for execution by the associated Host Adapter.
251 *
252 * TODO: unify with aac_scsi_cmd().
253 */
254
255 static int aac_queuecommand(struct Scsi_Host *shost,
256 struct scsi_cmnd *cmd)
257 {
258 int r = 0;
259 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
260 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
261 return r;
262 }
263
264 /**
265 * aac_info - Returns the host adapter name
266 * @shost: Scsi host to report on
267 *
268 * Returns a static string describing the device in question
269 */
270
271 static const char *aac_info(struct Scsi_Host *shost)
272 {
273 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
274 return aac_drivers[dev->cardtype].name;
275 }
276
277 /**
278 * aac_get_driver_ident
279 * @devtype: index into lookup table
280 *
281 * Returns a pointer to the entry in the driver lookup table.
282 */
283
284 struct aac_driver_ident* aac_get_driver_ident(int devtype)
285 {
286 return &aac_drivers[devtype];
287 }
288
289 /**
290 * aac_biosparm - return BIOS parameters for disk
291 * @sdev: The scsi device corresponding to the disk
292 * @bdev: the block device corresponding to the disk
293 * @capacity: the sector capacity of the disk
294 * @geom: geometry block to fill in
295 *
296 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
297 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
298 * number of cylinders so as not to exceed drive capacity. In order for
299 * disks equal to or larger than 1 GB to be addressable by the BIOS
300 * without exceeding the BIOS limitation of 1024 cylinders, Extended
301 * Translation should be enabled. With Extended Translation enabled,
302 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
303 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
304 * are given a disk geometry of 255 heads and 63 sectors. However, if
305 * the BIOS detects that the Extended Translation setting does not match
306 * the geometry in the partition table, then the translation inferred
307 * from the partition table will be used by the BIOS, and a warning may
308 * be displayed.
309 */
310
311 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
312 sector_t capacity, int *geom)
313 {
314 struct diskparm *param = (struct diskparm *)geom;
315 unsigned char *buf;
316
317 dprintk((KERN_DEBUG "aac_biosparm.\n"));
318
319 /*
320 * Assuming extended translation is enabled - #REVISIT#
321 */
322 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
323 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
324 param->heads = 255;
325 param->sectors = 63;
326 } else {
327 param->heads = 128;
328 param->sectors = 32;
329 }
330 } else {
331 param->heads = 64;
332 param->sectors = 32;
333 }
334
335 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
336
337 /*
338 * Read the first 1024 bytes from the disk device, if the boot
339 * sector partition table is valid, search for a partition table
340 * entry whose end_head matches one of the standard geometry
341 * translations ( 64/32, 128/32, 255/63 ).
342 */
343 buf = scsi_bios_ptable(bdev);
344 if (!buf)
345 return 0;
346 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
347 struct partition *first = (struct partition * )buf;
348 struct partition *entry = first;
349 int saved_cylinders = param->cylinders;
350 int num;
351 unsigned char end_head, end_sec;
352
353 for(num = 0; num < 4; num++) {
354 end_head = entry->end_head;
355 end_sec = entry->end_sector & 0x3f;
356
357 if(end_head == 63) {
358 param->heads = 64;
359 param->sectors = 32;
360 break;
361 } else if(end_head == 127) {
362 param->heads = 128;
363 param->sectors = 32;
364 break;
365 } else if(end_head == 254) {
366 param->heads = 255;
367 param->sectors = 63;
368 break;
369 }
370 entry++;
371 }
372
373 if (num == 4) {
374 end_head = first->end_head;
375 end_sec = first->end_sector & 0x3f;
376 }
377
378 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
379 if (num < 4 && end_sec == param->sectors) {
380 if (param->cylinders != saved_cylinders)
381 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
382 param->heads, param->sectors, num));
383 } else if (end_head > 0 || end_sec > 0) {
384 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
385 end_head + 1, end_sec, num));
386 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
387 param->heads, param->sectors));
388 }
389 }
390 kfree(buf);
391 return 0;
392 }
393
394 /**
395 * aac_slave_configure - compute queue depths
396 * @sdev: SCSI device we are considering
397 *
398 * Selects queue depths for each target device based on the host adapter's
399 * total capacity and the queue depth supported by the target device.
400 * A queue depth of one automatically disables tagged queueing.
401 */
402
403 static int aac_slave_configure(struct scsi_device *sdev)
404 {
405 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
406 if (aac->jbod && (sdev->type == TYPE_DISK))
407 sdev->removable = 1;
408 if ((sdev->type == TYPE_DISK) &&
409 (sdev_channel(sdev) != CONTAINER_CHANNEL) &&
410 (!aac->jbod || sdev->inq_periph_qual) &&
411 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
412 if (expose_physicals == 0)
413 return -ENXIO;
414 if (expose_physicals < 0)
415 sdev->no_uld_attach = 1;
416 }
417 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
418 (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2)) &&
419 !sdev->no_uld_attach) {
420 struct scsi_device * dev;
421 struct Scsi_Host *host = sdev->host;
422 unsigned num_lsu = 0;
423 unsigned num_one = 0;
424 unsigned depth;
425 unsigned cid;
426
427 /*
428 * Firmware has an individual device recovery time typically
429 * of 35 seconds, give us a margin.
430 */
431 if (sdev->request_queue->rq_timeout < (45 * HZ))
432 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
433 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
434 if (aac->fsa_dev[cid].valid)
435 ++num_lsu;
436 __shost_for_each_device(dev, host) {
437 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
438 (!aac->raid_scsi_mode ||
439 (sdev_channel(sdev) != 2)) &&
440 !dev->no_uld_attach) {
441 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
442 || !aac->fsa_dev[sdev_id(dev)].valid)
443 ++num_lsu;
444 } else
445 ++num_one;
446 }
447 if (num_lsu == 0)
448 ++num_lsu;
449 depth = (host->can_queue - num_one) / num_lsu;
450 if (depth > 256)
451 depth = 256;
452 else if (depth < 2)
453 depth = 2;
454 scsi_change_queue_depth(sdev, depth);
455 } else
456 scsi_change_queue_depth(sdev, 1);
457
458 sdev->tagged_supported = 1;
459
460 return 0;
461 }
462
463 /**
464 * aac_change_queue_depth - alter queue depths
465 * @sdev: SCSI device we are considering
466 * @depth: desired queue depth
467 *
468 * Alters queue depths for target device based on the host adapter's
469 * total capacity and the queue depth supported by the target device.
470 */
471
472 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
473 {
474 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
475 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
476 struct scsi_device * dev;
477 struct Scsi_Host *host = sdev->host;
478 unsigned num = 0;
479
480 __shost_for_each_device(dev, host) {
481 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
482 (sdev_channel(dev) == CONTAINER_CHANNEL))
483 ++num;
484 ++num;
485 }
486 if (num >= host->can_queue)
487 num = host->can_queue - 1;
488 if (depth > (host->can_queue - num))
489 depth = host->can_queue - num;
490 if (depth > 256)
491 depth = 256;
492 else if (depth < 2)
493 depth = 2;
494 return scsi_change_queue_depth(sdev, depth);
495 }
496
497 return scsi_change_queue_depth(sdev, 1);
498 }
499
500 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
501 {
502 struct scsi_device *sdev = to_scsi_device(dev);
503 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
504 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
505 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
506 ? "Hidden\n" :
507 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
508 return snprintf(buf, PAGE_SIZE, "%s\n",
509 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
510 }
511
512 static struct device_attribute aac_raid_level_attr = {
513 .attr = {
514 .name = "level",
515 .mode = S_IRUGO,
516 },
517 .show = aac_show_raid_level
518 };
519
520 static struct device_attribute *aac_dev_attrs[] = {
521 &aac_raid_level_attr,
522 NULL,
523 };
524
525 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
526 {
527 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
528 if (!capable(CAP_SYS_RAWIO))
529 return -EPERM;
530 return aac_do_ioctl(dev, cmd, arg);
531 }
532
533 static int aac_eh_abort(struct scsi_cmnd* cmd)
534 {
535 struct scsi_device * dev = cmd->device;
536 struct Scsi_Host * host = dev->host;
537 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
538 int count;
539 int ret = FAILED;
540
541 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
542 AAC_DRIVERNAME,
543 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
544 switch (cmd->cmnd[0]) {
545 case SERVICE_ACTION_IN_16:
546 if (!(aac->raw_io_interface) ||
547 !(aac->raw_io_64) ||
548 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
549 break;
550 case INQUIRY:
551 case READ_CAPACITY:
552 /* Mark associated FIB to not complete, eh handler does this */
553 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
554 struct fib * fib = &aac->fibs[count];
555 if (fib->hw_fib_va->header.XferState &&
556 (fib->flags & FIB_CONTEXT_FLAG) &&
557 (fib->callback_data == cmd)) {
558 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
559 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
560 ret = SUCCESS;
561 }
562 }
563 break;
564 case TEST_UNIT_READY:
565 /* Mark associated FIB to not complete, eh handler does this */
566 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
567 struct scsi_cmnd * command;
568 struct fib * fib = &aac->fibs[count];
569 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
570 (fib->flags & FIB_CONTEXT_FLAG) &&
571 ((command = fib->callback_data)) &&
572 (command->device == cmd->device)) {
573 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
574 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
575 if (command == cmd)
576 ret = SUCCESS;
577 }
578 }
579 }
580 return ret;
581 }
582
583 /*
584 * aac_eh_reset - Reset command handling
585 * @scsi_cmd: SCSI command block causing the reset
586 *
587 */
588 static int aac_eh_reset(struct scsi_cmnd* cmd)
589 {
590 struct scsi_device * dev = cmd->device;
591 struct Scsi_Host * host = dev->host;
592 struct scsi_cmnd * command;
593 int count;
594 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
595 unsigned long flags;
596
597 /* Mark the associated FIB to not complete, eh handler does this */
598 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
599 struct fib * fib = &aac->fibs[count];
600 if (fib->hw_fib_va->header.XferState &&
601 (fib->flags & FIB_CONTEXT_FLAG) &&
602 (fib->callback_data == cmd)) {
603 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
604 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
605 }
606 }
607 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
608 AAC_DRIVERNAME);
609
610 if ((count = aac_check_health(aac)))
611 return count;
612 /*
613 * Wait for all commands to complete to this specific
614 * target (block maximum 60 seconds).
615 */
616 for (count = 60; count; --count) {
617 int active = aac->in_reset;
618
619 if (active == 0)
620 __shost_for_each_device(dev, host) {
621 spin_lock_irqsave(&dev->list_lock, flags);
622 list_for_each_entry(command, &dev->cmd_list, list) {
623 if ((command != cmd) &&
624 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
625 active++;
626 break;
627 }
628 }
629 spin_unlock_irqrestore(&dev->list_lock, flags);
630 if (active)
631 break;
632
633 }
634 /*
635 * We can exit If all the commands are complete
636 */
637 if (active == 0)
638 return SUCCESS;
639 ssleep(1);
640 }
641 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
642 /*
643 * This adapter needs a blind reset, only do so for Adapters that
644 * support a register, instead of a commanded, reset.
645 */
646 if (((aac->supplement_adapter_info.SupportedOptions2 &
647 AAC_OPTION_MU_RESET) ||
648 (aac->supplement_adapter_info.SupportedOptions2 &
649 AAC_OPTION_DOORBELL_RESET)) &&
650 aac_check_reset &&
651 ((aac_check_reset != 1) ||
652 !(aac->supplement_adapter_info.SupportedOptions2 &
653 AAC_OPTION_IGNORE_RESET)))
654 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
655 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
656 }
657
658 /**
659 * aac_cfg_open - open a configuration file
660 * @inode: inode being opened
661 * @file: file handle attached
662 *
663 * Called when the configuration device is opened. Does the needed
664 * set up on the handle and then returns
665 *
666 * Bugs: This needs extending to check a given adapter is present
667 * so we can support hot plugging, and to ref count adapters.
668 */
669
670 static int aac_cfg_open(struct inode *inode, struct file *file)
671 {
672 struct aac_dev *aac;
673 unsigned minor_number = iminor(inode);
674 int err = -ENODEV;
675
676 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
677 list_for_each_entry(aac, &aac_devices, entry) {
678 if (aac->id == minor_number) {
679 file->private_data = aac;
680 err = 0;
681 break;
682 }
683 }
684 mutex_unlock(&aac_mutex);
685
686 return err;
687 }
688
689 /**
690 * aac_cfg_ioctl - AAC configuration request
691 * @inode: inode of device
692 * @file: file handle
693 * @cmd: ioctl command code
694 * @arg: argument
695 *
696 * Handles a configuration ioctl. Currently this involves wrapping it
697 * up and feeding it into the nasty windowsalike glue layer.
698 *
699 * Bugs: Needs locking against parallel ioctls lower down
700 * Bugs: Needs to handle hot plugging
701 */
702
703 static long aac_cfg_ioctl(struct file *file,
704 unsigned int cmd, unsigned long arg)
705 {
706 struct aac_dev *aac = (struct aac_dev *)file->private_data;
707
708 if (!capable(CAP_SYS_RAWIO))
709 return -EPERM;
710
711 return aac_do_ioctl(aac, cmd, (void __user *)arg);
712 }
713
714 #ifdef CONFIG_COMPAT
715 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
716 {
717 long ret;
718 switch (cmd) {
719 case FSACTL_MINIPORT_REV_CHECK:
720 case FSACTL_SENDFIB:
721 case FSACTL_OPEN_GET_ADAPTER_FIB:
722 case FSACTL_CLOSE_GET_ADAPTER_FIB:
723 case FSACTL_SEND_RAW_SRB:
724 case FSACTL_GET_PCI_INFO:
725 case FSACTL_QUERY_DISK:
726 case FSACTL_DELETE_DISK:
727 case FSACTL_FORCE_DELETE_DISK:
728 case FSACTL_GET_CONTAINERS:
729 case FSACTL_SEND_LARGE_FIB:
730 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
731 break;
732
733 case FSACTL_GET_NEXT_ADAPTER_FIB: {
734 struct fib_ioctl __user *f;
735
736 f = compat_alloc_user_space(sizeof(*f));
737 ret = 0;
738 if (clear_user(f, sizeof(*f)))
739 ret = -EFAULT;
740 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
741 ret = -EFAULT;
742 if (!ret)
743 ret = aac_do_ioctl(dev, cmd, f);
744 break;
745 }
746
747 default:
748 ret = -ENOIOCTLCMD;
749 break;
750 }
751 return ret;
752 }
753
754 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
755 {
756 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
757 if (!capable(CAP_SYS_RAWIO))
758 return -EPERM;
759 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
760 }
761
762 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
763 {
764 if (!capable(CAP_SYS_RAWIO))
765 return -EPERM;
766 return aac_compat_do_ioctl(file->private_data, cmd, arg);
767 }
768 #endif
769
770 static ssize_t aac_show_model(struct device *device,
771 struct device_attribute *attr, char *buf)
772 {
773 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
774 int len;
775
776 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
777 char * cp = dev->supplement_adapter_info.AdapterTypeText;
778 while (*cp && *cp != ' ')
779 ++cp;
780 while (*cp == ' ')
781 ++cp;
782 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
783 } else
784 len = snprintf(buf, PAGE_SIZE, "%s\n",
785 aac_drivers[dev->cardtype].model);
786 return len;
787 }
788
789 static ssize_t aac_show_vendor(struct device *device,
790 struct device_attribute *attr, char *buf)
791 {
792 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
793 int len;
794
795 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
796 char * cp = dev->supplement_adapter_info.AdapterTypeText;
797 while (*cp && *cp != ' ')
798 ++cp;
799 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
800 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
801 dev->supplement_adapter_info.AdapterTypeText);
802 } else
803 len = snprintf(buf, PAGE_SIZE, "%s\n",
804 aac_drivers[dev->cardtype].vname);
805 return len;
806 }
807
808 static ssize_t aac_show_flags(struct device *cdev,
809 struct device_attribute *attr, char *buf)
810 {
811 int len = 0;
812 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
813
814 if (nblank(dprintk(x)))
815 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
816 #ifdef AAC_DETAILED_STATUS_INFO
817 len += snprintf(buf + len, PAGE_SIZE - len,
818 "AAC_DETAILED_STATUS_INFO\n");
819 #endif
820 if (dev->raw_io_interface && dev->raw_io_64)
821 len += snprintf(buf + len, PAGE_SIZE - len,
822 "SAI_READ_CAPACITY_16\n");
823 if (dev->jbod)
824 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
825 if (dev->supplement_adapter_info.SupportedOptions2 &
826 AAC_OPTION_POWER_MANAGEMENT)
827 len += snprintf(buf + len, PAGE_SIZE - len,
828 "SUPPORTED_POWER_MANAGEMENT\n");
829 if (dev->msi)
830 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
831 return len;
832 }
833
834 static ssize_t aac_show_kernel_version(struct device *device,
835 struct device_attribute *attr,
836 char *buf)
837 {
838 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
839 int len, tmp;
840
841 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
842 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
843 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
844 le32_to_cpu(dev->adapter_info.kernelbuild));
845 return len;
846 }
847
848 static ssize_t aac_show_monitor_version(struct device *device,
849 struct device_attribute *attr,
850 char *buf)
851 {
852 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
853 int len, tmp;
854
855 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
856 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
857 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
858 le32_to_cpu(dev->adapter_info.monitorbuild));
859 return len;
860 }
861
862 static ssize_t aac_show_bios_version(struct device *device,
863 struct device_attribute *attr,
864 char *buf)
865 {
866 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
867 int len, tmp;
868
869 tmp = le32_to_cpu(dev->adapter_info.biosrev);
870 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
871 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
872 le32_to_cpu(dev->adapter_info.biosbuild));
873 return len;
874 }
875
876 static ssize_t aac_show_serial_number(struct device *device,
877 struct device_attribute *attr, char *buf)
878 {
879 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
880 int len = 0;
881
882 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
883 len = snprintf(buf, 16, "%06X\n",
884 le32_to_cpu(dev->adapter_info.serial[0]));
885 if (len &&
886 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
887 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
888 buf, len-1))
889 len = snprintf(buf, 16, "%.*s\n",
890 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
891 dev->supplement_adapter_info.MfgPcbaSerialNo);
892
893 return min(len, 16);
894 }
895
896 static ssize_t aac_show_max_channel(struct device *device,
897 struct device_attribute *attr, char *buf)
898 {
899 return snprintf(buf, PAGE_SIZE, "%d\n",
900 class_to_shost(device)->max_channel);
901 }
902
903 static ssize_t aac_show_max_id(struct device *device,
904 struct device_attribute *attr, char *buf)
905 {
906 return snprintf(buf, PAGE_SIZE, "%d\n",
907 class_to_shost(device)->max_id);
908 }
909
910 static ssize_t aac_store_reset_adapter(struct device *device,
911 struct device_attribute *attr,
912 const char *buf, size_t count)
913 {
914 int retval = -EACCES;
915
916 if (!capable(CAP_SYS_ADMIN))
917 return retval;
918 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
919 if (retval >= 0)
920 retval = count;
921 return retval;
922 }
923
924 static ssize_t aac_show_reset_adapter(struct device *device,
925 struct device_attribute *attr,
926 char *buf)
927 {
928 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
929 int len, tmp;
930
931 tmp = aac_adapter_check_health(dev);
932 if ((tmp == 0) && dev->in_reset)
933 tmp = -EBUSY;
934 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
935 return len;
936 }
937
938 static struct device_attribute aac_model = {
939 .attr = {
940 .name = "model",
941 .mode = S_IRUGO,
942 },
943 .show = aac_show_model,
944 };
945 static struct device_attribute aac_vendor = {
946 .attr = {
947 .name = "vendor",
948 .mode = S_IRUGO,
949 },
950 .show = aac_show_vendor,
951 };
952 static struct device_attribute aac_flags = {
953 .attr = {
954 .name = "flags",
955 .mode = S_IRUGO,
956 },
957 .show = aac_show_flags,
958 };
959 static struct device_attribute aac_kernel_version = {
960 .attr = {
961 .name = "hba_kernel_version",
962 .mode = S_IRUGO,
963 },
964 .show = aac_show_kernel_version,
965 };
966 static struct device_attribute aac_monitor_version = {
967 .attr = {
968 .name = "hba_monitor_version",
969 .mode = S_IRUGO,
970 },
971 .show = aac_show_monitor_version,
972 };
973 static struct device_attribute aac_bios_version = {
974 .attr = {
975 .name = "hba_bios_version",
976 .mode = S_IRUGO,
977 },
978 .show = aac_show_bios_version,
979 };
980 static struct device_attribute aac_serial_number = {
981 .attr = {
982 .name = "serial_number",
983 .mode = S_IRUGO,
984 },
985 .show = aac_show_serial_number,
986 };
987 static struct device_attribute aac_max_channel = {
988 .attr = {
989 .name = "max_channel",
990 .mode = S_IRUGO,
991 },
992 .show = aac_show_max_channel,
993 };
994 static struct device_attribute aac_max_id = {
995 .attr = {
996 .name = "max_id",
997 .mode = S_IRUGO,
998 },
999 .show = aac_show_max_id,
1000 };
1001 static struct device_attribute aac_reset = {
1002 .attr = {
1003 .name = "reset_host",
1004 .mode = S_IWUSR|S_IRUGO,
1005 },
1006 .store = aac_store_reset_adapter,
1007 .show = aac_show_reset_adapter,
1008 };
1009
1010 static struct device_attribute *aac_attrs[] = {
1011 &aac_model,
1012 &aac_vendor,
1013 &aac_flags,
1014 &aac_kernel_version,
1015 &aac_monitor_version,
1016 &aac_bios_version,
1017 &aac_serial_number,
1018 &aac_max_channel,
1019 &aac_max_id,
1020 &aac_reset,
1021 NULL
1022 };
1023
1024 ssize_t aac_get_serial_number(struct device *device, char *buf)
1025 {
1026 return aac_show_serial_number(device, &aac_serial_number, buf);
1027 }
1028
1029 static const struct file_operations aac_cfg_fops = {
1030 .owner = THIS_MODULE,
1031 .unlocked_ioctl = aac_cfg_ioctl,
1032 #ifdef CONFIG_COMPAT
1033 .compat_ioctl = aac_compat_cfg_ioctl,
1034 #endif
1035 .open = aac_cfg_open,
1036 .llseek = noop_llseek,
1037 };
1038
1039 static struct scsi_host_template aac_driver_template = {
1040 .module = THIS_MODULE,
1041 .name = "AAC",
1042 .proc_name = AAC_DRIVERNAME,
1043 .info = aac_info,
1044 .ioctl = aac_ioctl,
1045 #ifdef CONFIG_COMPAT
1046 .compat_ioctl = aac_compat_ioctl,
1047 #endif
1048 .queuecommand = aac_queuecommand,
1049 .bios_param = aac_biosparm,
1050 .shost_attrs = aac_attrs,
1051 .slave_configure = aac_slave_configure,
1052 .change_queue_depth = aac_change_queue_depth,
1053 .sdev_attrs = aac_dev_attrs,
1054 .eh_abort_handler = aac_eh_abort,
1055 .eh_host_reset_handler = aac_eh_reset,
1056 .can_queue = AAC_NUM_IO_FIB,
1057 .this_id = MAXIMUM_NUM_CONTAINERS,
1058 .sg_tablesize = 16,
1059 .max_sectors = 128,
1060 #if (AAC_NUM_IO_FIB > 256)
1061 .cmd_per_lun = 256,
1062 #else
1063 .cmd_per_lun = AAC_NUM_IO_FIB,
1064 #endif
1065 .use_clustering = ENABLE_CLUSTERING,
1066 .emulated = 1,
1067 .no_write_same = 1,
1068 };
1069
1070 static void __aac_shutdown(struct aac_dev * aac)
1071 {
1072 int i;
1073 int cpu;
1074
1075 aac_send_shutdown(aac);
1076
1077 if (aac->aif_thread) {
1078 int i;
1079 /* Clear out events first */
1080 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1081 struct fib *fib = &aac->fibs[i];
1082 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1083 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1084 up(&fib->event_wait);
1085 }
1086 kthread_stop(aac->thread);
1087 }
1088 aac_adapter_disable_int(aac);
1089 cpu = cpumask_first(cpu_online_mask);
1090 if (aac->pdev->device == PMC_DEVICE_S6 ||
1091 aac->pdev->device == PMC_DEVICE_S7 ||
1092 aac->pdev->device == PMC_DEVICE_S8 ||
1093 aac->pdev->device == PMC_DEVICE_S9) {
1094 if (aac->max_msix > 1) {
1095 for (i = 0; i < aac->max_msix; i++) {
1096 if (irq_set_affinity_hint(
1097 aac->msixentry[i].vector,
1098 NULL)) {
1099 printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
1100 aac->name,
1101 aac->id,
1102 cpu);
1103 }
1104 cpu = cpumask_next(cpu,
1105 cpu_online_mask);
1106 free_irq(aac->msixentry[i].vector,
1107 &(aac->aac_msix[i]));
1108 }
1109 } else {
1110 free_irq(aac->pdev->irq,
1111 &(aac->aac_msix[0]));
1112 }
1113 } else {
1114 free_irq(aac->pdev->irq, aac);
1115 }
1116 if (aac->msi)
1117 pci_disable_msi(aac->pdev);
1118 else if (aac->max_msix > 1)
1119 pci_disable_msix(aac->pdev);
1120 }
1121 static void aac_init_char(void)
1122 {
1123 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1124 if (aac_cfg_major < 0) {
1125 pr_err("aacraid: unable to register \"aac\" device.\n");
1126 }
1127 }
1128
1129 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1130 {
1131 unsigned index = id->driver_data;
1132 struct Scsi_Host *shost;
1133 struct aac_dev *aac;
1134 struct list_head *insert = &aac_devices;
1135 int error = -ENODEV;
1136 int unique_id = 0;
1137 u64 dmamask;
1138 extern int aac_sync_mode;
1139
1140 /*
1141 * Only series 7 needs freset.
1142 */
1143 if (pdev->device == PMC_DEVICE_S7)
1144 pdev->needs_freset = 1;
1145
1146 list_for_each_entry(aac, &aac_devices, entry) {
1147 if (aac->id > unique_id)
1148 break;
1149 insert = &aac->entry;
1150 unique_id++;
1151 }
1152
1153 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1154 PCIE_LINK_STATE_CLKPM);
1155
1156 error = pci_enable_device(pdev);
1157 if (error)
1158 goto out;
1159 error = -ENODEV;
1160
1161 /*
1162 * If the quirk31 bit is set, the adapter needs adapter
1163 * to driver communication memory to be allocated below 2gig
1164 */
1165 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1166 dmamask = DMA_BIT_MASK(31);
1167 else
1168 dmamask = DMA_BIT_MASK(32);
1169
1170 if (pci_set_dma_mask(pdev, dmamask) ||
1171 pci_set_consistent_dma_mask(pdev, dmamask))
1172 goto out_disable_pdev;
1173
1174 pci_set_master(pdev);
1175
1176 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1177 if (!shost)
1178 goto out_disable_pdev;
1179
1180 shost->irq = pdev->irq;
1181 shost->unique_id = unique_id;
1182 shost->max_cmd_len = 16;
1183 shost->use_cmd_list = 1;
1184
1185 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1186 aac_init_char();
1187
1188 aac = (struct aac_dev *)shost->hostdata;
1189 aac->base_start = pci_resource_start(pdev, 0);
1190 aac->scsi_host_ptr = shost;
1191 aac->pdev = pdev;
1192 aac->name = aac_driver_template.name;
1193 aac->id = shost->unique_id;
1194 aac->cardtype = index;
1195 INIT_LIST_HEAD(&aac->entry);
1196
1197 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1198 if (!aac->fibs)
1199 goto out_free_host;
1200 spin_lock_init(&aac->fib_lock);
1201
1202 mutex_init(&aac->ioctl_mutex);
1203 /*
1204 * Map in the registers from the adapter.
1205 */
1206 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1207 if ((*aac_drivers[index].init)(aac))
1208 goto out_unmap;
1209
1210 if (aac->sync_mode) {
1211 if (aac_sync_mode)
1212 printk(KERN_INFO "%s%d: Sync. mode enforced "
1213 "by driver parameter. This will cause "
1214 "a significant performance decrease!\n",
1215 aac->name,
1216 aac->id);
1217 else
1218 printk(KERN_INFO "%s%d: Async. mode not supported "
1219 "by current driver, sync. mode enforced."
1220 "\nPlease update driver to get full performance.\n",
1221 aac->name,
1222 aac->id);
1223 }
1224
1225 /*
1226 * Start any kernel threads needed
1227 */
1228 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1229 if (IS_ERR(aac->thread)) {
1230 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1231 error = PTR_ERR(aac->thread);
1232 aac->thread = NULL;
1233 goto out_deinit;
1234 }
1235
1236 /*
1237 * If we had set a smaller DMA mask earlier, set it to 4gig
1238 * now since the adapter can dma data to at least a 4gig
1239 * address space.
1240 */
1241 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1242 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1243 goto out_deinit;
1244
1245 aac->maximum_num_channels = aac_drivers[index].channels;
1246 error = aac_get_adapter_info(aac);
1247 if (error < 0)
1248 goto out_deinit;
1249
1250 /*
1251 * Lets override negotiations and drop the maximum SG limit to 34
1252 */
1253 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1254 (shost->sg_tablesize > 34)) {
1255 shost->sg_tablesize = 34;
1256 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1257 }
1258
1259 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1260 (shost->sg_tablesize > 17)) {
1261 shost->sg_tablesize = 17;
1262 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1263 }
1264
1265 error = pci_set_dma_max_seg_size(pdev,
1266 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1267 (shost->max_sectors << 9) : 65536);
1268 if (error)
1269 goto out_deinit;
1270
1271 /*
1272 * Firmware printf works only with older firmware.
1273 */
1274 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1275 aac->printf_enabled = 1;
1276 else
1277 aac->printf_enabled = 0;
1278
1279 /*
1280 * max channel will be the physical channels plus 1 virtual channel
1281 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1282 * physical channels are address by their actual physical number+1
1283 */
1284 if (aac->nondasd_support || expose_physicals || aac->jbod)
1285 shost->max_channel = aac->maximum_num_channels;
1286 else
1287 shost->max_channel = 0;
1288
1289 aac_get_config_status(aac, 0);
1290 aac_get_containers(aac);
1291 list_add(&aac->entry, insert);
1292
1293 shost->max_id = aac->maximum_num_containers;
1294 if (shost->max_id < aac->maximum_num_physicals)
1295 shost->max_id = aac->maximum_num_physicals;
1296 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1297 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1298 else
1299 shost->this_id = shost->max_id;
1300
1301 /*
1302 * dmb - we may need to move the setting of these parms somewhere else once
1303 * we get a fib that can report the actual numbers
1304 */
1305 shost->max_lun = AAC_MAX_LUN;
1306
1307 pci_set_drvdata(pdev, shost);
1308
1309 error = scsi_add_host(shost, &pdev->dev);
1310 if (error)
1311 goto out_deinit;
1312 scsi_scan_host(shost);
1313
1314 pci_enable_pcie_error_reporting(pdev);
1315 pci_save_state(pdev);
1316
1317 return 0;
1318
1319 out_deinit:
1320 __aac_shutdown(aac);
1321 out_unmap:
1322 aac_fib_map_free(aac);
1323 if (aac->comm_addr)
1324 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1325 aac->comm_phys);
1326 kfree(aac->queues);
1327 aac_adapter_ioremap(aac, 0);
1328 kfree(aac->fibs);
1329 kfree(aac->fsa_dev);
1330 out_free_host:
1331 scsi_host_put(shost);
1332 out_disable_pdev:
1333 pci_disable_device(pdev);
1334 out:
1335 return error;
1336 }
1337
1338 static void aac_release_resources(struct aac_dev *aac)
1339 {
1340 int i;
1341
1342 aac_adapter_disable_int(aac);
1343 if (aac->pdev->device == PMC_DEVICE_S6 ||
1344 aac->pdev->device == PMC_DEVICE_S7 ||
1345 aac->pdev->device == PMC_DEVICE_S8 ||
1346 aac->pdev->device == PMC_DEVICE_S9) {
1347 if (aac->max_msix > 1) {
1348 for (i = 0; i < aac->max_msix; i++)
1349 free_irq(aac->msixentry[i].vector,
1350 &(aac->aac_msix[i]));
1351 } else {
1352 free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
1353 }
1354 } else {
1355 free_irq(aac->pdev->irq, aac);
1356 }
1357 if (aac->msi)
1358 pci_disable_msi(aac->pdev);
1359 else if (aac->max_msix > 1)
1360 pci_disable_msix(aac->pdev);
1361
1362 }
1363
1364 static int aac_acquire_resources(struct aac_dev *dev)
1365 {
1366 int i, j;
1367 int instance = dev->id;
1368 const char *name = dev->name;
1369 unsigned long status;
1370 /*
1371 * First clear out all interrupts. Then enable the one's that we
1372 * can handle.
1373 */
1374 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1375 || status == 0xffffffff)
1376 msleep(20);
1377
1378 aac_adapter_disable_int(dev);
1379 aac_adapter_enable_int(dev);
1380
1381
1382 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1383 dev->pdev->device == PMC_DEVICE_S8 ||
1384 dev->pdev->device == PMC_DEVICE_S9))
1385 aac_define_int_mode(dev);
1386
1387 if (dev->msi_enabled)
1388 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1389
1390 if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
1391 for (i = 0; i < dev->max_msix; i++) {
1392 dev->aac_msix[i].vector_no = i;
1393 dev->aac_msix[i].dev = dev;
1394
1395 if (request_irq(dev->msixentry[i].vector,
1396 dev->a_ops.adapter_intr,
1397 0, "aacraid", &(dev->aac_msix[i]))) {
1398 printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
1399 name, instance, i);
1400 for (j = 0 ; j < i ; j++)
1401 free_irq(dev->msixentry[j].vector,
1402 &(dev->aac_msix[j]));
1403 pci_disable_msix(dev->pdev);
1404 goto error_iounmap;
1405 }
1406 }
1407 } else {
1408 dev->aac_msix[0].vector_no = 0;
1409 dev->aac_msix[0].dev = dev;
1410
1411 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
1412 IRQF_SHARED, "aacraid",
1413 &(dev->aac_msix[0])) < 0) {
1414 if (dev->msi)
1415 pci_disable_msi(dev->pdev);
1416 printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
1417 name, instance);
1418 goto error_iounmap;
1419 }
1420 }
1421
1422 aac_adapter_enable_int(dev);
1423
1424 /*max msix may change after EEH
1425 * Re-assign vectors to fibs
1426 */
1427 aac_fib_vector_assign(dev);
1428
1429 if (!dev->sync_mode) {
1430 /* After EEH recovery or suspend resume, max_msix count
1431 * may change, therfore updating in init as well.
1432 */
1433 aac_adapter_start(dev);
1434 dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
1435 }
1436 return 0;
1437
1438 error_iounmap:
1439 return -1;
1440
1441 }
1442
1443 #if (defined(CONFIG_PM))
1444 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1445 {
1446
1447 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1448 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1449
1450 scsi_block_requests(shost);
1451 aac_send_shutdown(aac);
1452
1453 aac_release_resources(aac);
1454
1455 pci_set_drvdata(pdev, shost);
1456 pci_save_state(pdev);
1457 pci_disable_device(pdev);
1458 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1459
1460 return 0;
1461 }
1462
1463 static int aac_resume(struct pci_dev *pdev)
1464 {
1465 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1466 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1467 int r;
1468
1469 pci_set_power_state(pdev, PCI_D0);
1470 pci_enable_wake(pdev, PCI_D0, 0);
1471 pci_restore_state(pdev);
1472 r = pci_enable_device(pdev);
1473
1474 if (r)
1475 goto fail_device;
1476
1477 pci_set_master(pdev);
1478 if (aac_acquire_resources(aac))
1479 goto fail_device;
1480 /*
1481 * reset this flag to unblock ioctl() as it was set at
1482 * aac_send_shutdown() to block ioctls from upperlayer
1483 */
1484 aac->adapter_shutdown = 0;
1485 scsi_unblock_requests(shost);
1486
1487 return 0;
1488
1489 fail_device:
1490 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1491 scsi_host_put(shost);
1492 pci_disable_device(pdev);
1493 return -ENODEV;
1494 }
1495 #endif
1496
1497 static void aac_shutdown(struct pci_dev *dev)
1498 {
1499 struct Scsi_Host *shost = pci_get_drvdata(dev);
1500 scsi_block_requests(shost);
1501 __aac_shutdown((struct aac_dev *)shost->hostdata);
1502 }
1503
1504 static void aac_remove_one(struct pci_dev *pdev)
1505 {
1506 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1507 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1508
1509 scsi_remove_host(shost);
1510
1511 __aac_shutdown(aac);
1512 aac_fib_map_free(aac);
1513 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1514 aac->comm_phys);
1515 kfree(aac->queues);
1516
1517 aac_adapter_ioremap(aac, 0);
1518
1519 kfree(aac->fibs);
1520 kfree(aac->fsa_dev);
1521
1522 list_del(&aac->entry);
1523 scsi_host_put(shost);
1524 pci_disable_device(pdev);
1525 if (list_empty(&aac_devices)) {
1526 unregister_chrdev(aac_cfg_major, "aac");
1527 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1528 }
1529 }
1530
1531 static void aac_flush_ios(struct aac_dev *aac)
1532 {
1533 int i;
1534 struct scsi_cmnd *cmd;
1535
1536 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1537 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1538 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1539 scsi_dma_unmap(cmd);
1540
1541 if (aac->handle_pci_error)
1542 cmd->result = DID_NO_CONNECT << 16;
1543 else
1544 cmd->result = DID_RESET << 16;
1545
1546 cmd->scsi_done(cmd);
1547 }
1548 }
1549 }
1550
1551 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1552 enum pci_channel_state error)
1553 {
1554 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1555 struct aac_dev *aac = shost_priv(shost);
1556
1557 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1558
1559 switch (error) {
1560 case pci_channel_io_normal:
1561 return PCI_ERS_RESULT_CAN_RECOVER;
1562 case pci_channel_io_frozen:
1563 aac->handle_pci_error = 1;
1564
1565 scsi_block_requests(aac->scsi_host_ptr);
1566 aac_flush_ios(aac);
1567 aac_release_resources(aac);
1568
1569 pci_disable_pcie_error_reporting(pdev);
1570 aac_adapter_ioremap(aac, 0);
1571
1572 return PCI_ERS_RESULT_NEED_RESET;
1573 case pci_channel_io_perm_failure:
1574 aac->handle_pci_error = 1;
1575
1576 aac_flush_ios(aac);
1577 return PCI_ERS_RESULT_DISCONNECT;
1578 }
1579
1580 return PCI_ERS_RESULT_NEED_RESET;
1581 }
1582
1583 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1584 {
1585 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1586 return PCI_ERS_RESULT_NEED_RESET;
1587 }
1588
1589 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1590 {
1591 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1592 pci_restore_state(pdev);
1593 if (pci_enable_device(pdev)) {
1594 dev_warn(&pdev->dev,
1595 "aacraid: failed to enable slave\n");
1596 goto fail_device;
1597 }
1598
1599 pci_set_master(pdev);
1600
1601 if (pci_enable_device_mem(pdev)) {
1602 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1603 goto fail_device;
1604 }
1605
1606 return PCI_ERS_RESULT_RECOVERED;
1607
1608 fail_device:
1609 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1610 return PCI_ERS_RESULT_DISCONNECT;
1611 }
1612
1613
1614 static void aac_pci_resume(struct pci_dev *pdev)
1615 {
1616 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1617 struct scsi_device *sdev = NULL;
1618 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1619
1620 pci_cleanup_aer_uncorrect_error_status(pdev);
1621
1622 if (aac_adapter_ioremap(aac, aac->base_size)) {
1623
1624 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1625 /* remap failed, go back ... */
1626 aac->comm_interface = AAC_COMM_PRODUCER;
1627 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1628 dev_warn(&pdev->dev,
1629 "aacraid: unable to map adapter.\n");
1630
1631 return;
1632 }
1633 }
1634
1635 msleep(10000);
1636
1637 aac_acquire_resources(aac);
1638
1639 /*
1640 * reset this flag to unblock ioctl() as it was set
1641 * at aac_send_shutdown() to block ioctls from upperlayer
1642 */
1643 aac->adapter_shutdown = 0;
1644 aac->handle_pci_error = 0;
1645
1646 shost_for_each_device(sdev, shost)
1647 if (sdev->sdev_state == SDEV_OFFLINE)
1648 sdev->sdev_state = SDEV_RUNNING;
1649 scsi_unblock_requests(aac->scsi_host_ptr);
1650 scsi_scan_host(aac->scsi_host_ptr);
1651 pci_save_state(pdev);
1652
1653 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1654 }
1655
1656 static struct pci_error_handlers aac_pci_err_handler = {
1657 .error_detected = aac_pci_error_detected,
1658 .mmio_enabled = aac_pci_mmio_enabled,
1659 .slot_reset = aac_pci_slot_reset,
1660 .resume = aac_pci_resume,
1661 };
1662
1663 static struct pci_driver aac_pci_driver = {
1664 .name = AAC_DRIVERNAME,
1665 .id_table = aac_pci_tbl,
1666 .probe = aac_probe_one,
1667 .remove = aac_remove_one,
1668 #if (defined(CONFIG_PM))
1669 .suspend = aac_suspend,
1670 .resume = aac_resume,
1671 #endif
1672 .shutdown = aac_shutdown,
1673 .err_handler = &aac_pci_err_handler,
1674 };
1675
1676 static int __init aac_init(void)
1677 {
1678 int error;
1679
1680 printk(KERN_INFO "Adaptec %s driver %s\n",
1681 AAC_DRIVERNAME, aac_driver_version);
1682
1683 error = pci_register_driver(&aac_pci_driver);
1684 if (error < 0)
1685 return error;
1686
1687 aac_init_char();
1688
1689
1690 return 0;
1691 }
1692
1693 static void __exit aac_exit(void)
1694 {
1695 if (aac_cfg_major > -1)
1696 unregister_chrdev(aac_cfg_major, "aac");
1697 pci_unregister_driver(&aac_pci_driver);
1698 }
1699
1700 module_init(aac_init);
1701 module_exit(aac_exit);
CRIS linux kernel tree