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Merge tag 'xfs-for-linus-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.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 { 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, AAC_QUIRK_SRC }, /* Adaptec PMC Series 6 (Tupelo) */
240 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 7 (Denali) */
241 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC }, /* Adaptec PMC Series 8 */
242 { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2, AAC_QUIRK_SRC } /* 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
461 return 0;
462 }
463
464 /**
465 * aac_change_queue_depth - alter queue depths
466 * @sdev: SCSI device we are considering
467 * @depth: desired queue depth
468 *
469 * Alters queue depths for target device based on the host adapter's
470 * total capacity and the queue depth supported by the target device.
471 */
472
473 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
474 {
475 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
476 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
477 struct scsi_device * dev;
478 struct Scsi_Host *host = sdev->host;
479 unsigned num = 0;
480
481 __shost_for_each_device(dev, host) {
482 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
483 (sdev_channel(dev) == CONTAINER_CHANNEL))
484 ++num;
485 ++num;
486 }
487 if (num >= host->can_queue)
488 num = host->can_queue - 1;
489 if (depth > (host->can_queue - num))
490 depth = host->can_queue - num;
491 if (depth > 256)
492 depth = 256;
493 else if (depth < 2)
494 depth = 2;
495 return scsi_change_queue_depth(sdev, depth);
496 }
497
498 return scsi_change_queue_depth(sdev, 1);
499 }
500
501 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
502 {
503 struct scsi_device *sdev = to_scsi_device(dev);
504 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
505 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
506 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
507 ? "Hidden\n" :
508 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
509 return snprintf(buf, PAGE_SIZE, "%s\n",
510 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
511 }
512
513 static struct device_attribute aac_raid_level_attr = {
514 .attr = {
515 .name = "level",
516 .mode = S_IRUGO,
517 },
518 .show = aac_show_raid_level
519 };
520
521 static struct device_attribute *aac_dev_attrs[] = {
522 &aac_raid_level_attr,
523 NULL,
524 };
525
526 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
527 {
528 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
529 if (!capable(CAP_SYS_RAWIO))
530 return -EPERM;
531 return aac_do_ioctl(dev, cmd, arg);
532 }
533
534 static int aac_eh_abort(struct scsi_cmnd* cmd)
535 {
536 struct scsi_device * dev = cmd->device;
537 struct Scsi_Host * host = dev->host;
538 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
539 int count;
540 int ret = FAILED;
541
542 printk(KERN_ERR "%s: Host adapter abort request (%d,%d,%d,%llu)\n",
543 AAC_DRIVERNAME,
544 host->host_no, sdev_channel(dev), sdev_id(dev), dev->lun);
545 switch (cmd->cmnd[0]) {
546 case SERVICE_ACTION_IN_16:
547 if (!(aac->raw_io_interface) ||
548 !(aac->raw_io_64) ||
549 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
550 break;
551 case INQUIRY:
552 case READ_CAPACITY:
553 /* Mark associated FIB to not complete, eh handler does this */
554 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
555 struct fib * fib = &aac->fibs[count];
556 if (fib->hw_fib_va->header.XferState &&
557 (fib->flags & FIB_CONTEXT_FLAG) &&
558 (fib->callback_data == cmd)) {
559 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
560 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
561 ret = SUCCESS;
562 }
563 }
564 break;
565 case TEST_UNIT_READY:
566 /* Mark associated FIB to not complete, eh handler does this */
567 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
568 struct scsi_cmnd * command;
569 struct fib * fib = &aac->fibs[count];
570 if ((fib->hw_fib_va->header.XferState & cpu_to_le32(Async | NoResponseExpected)) &&
571 (fib->flags & FIB_CONTEXT_FLAG) &&
572 ((command = fib->callback_data)) &&
573 (command->device == cmd->device)) {
574 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
575 command->SCp.phase = AAC_OWNER_ERROR_HANDLER;
576 if (command == cmd)
577 ret = SUCCESS;
578 }
579 }
580 }
581 return ret;
582 }
583
584 /*
585 * aac_eh_reset - Reset command handling
586 * @scsi_cmd: SCSI command block causing the reset
587 *
588 */
589 static int aac_eh_reset(struct scsi_cmnd* cmd)
590 {
591 struct scsi_device * dev = cmd->device;
592 struct Scsi_Host * host = dev->host;
593 struct scsi_cmnd * command;
594 int count;
595 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
596 unsigned long flags;
597
598 /* Mark the associated FIB to not complete, eh handler does this */
599 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
600 struct fib * fib = &aac->fibs[count];
601 if (fib->hw_fib_va->header.XferState &&
602 (fib->flags & FIB_CONTEXT_FLAG) &&
603 (fib->callback_data == cmd)) {
604 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
605 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
606 }
607 }
608 printk(KERN_ERR "%s: Host adapter reset request. SCSI hang ?\n",
609 AAC_DRIVERNAME);
610
611 if ((count = aac_check_health(aac)))
612 return count;
613 /*
614 * Wait for all commands to complete to this specific
615 * target (block maximum 60 seconds).
616 */
617 for (count = 60; count; --count) {
618 int active = aac->in_reset;
619
620 if (active == 0)
621 __shost_for_each_device(dev, host) {
622 spin_lock_irqsave(&dev->list_lock, flags);
623 list_for_each_entry(command, &dev->cmd_list, list) {
624 if ((command != cmd) &&
625 (command->SCp.phase == AAC_OWNER_FIRMWARE)) {
626 active++;
627 break;
628 }
629 }
630 spin_unlock_irqrestore(&dev->list_lock, flags);
631 if (active)
632 break;
633
634 }
635 /*
636 * We can exit If all the commands are complete
637 */
638 if (active == 0)
639 return SUCCESS;
640 ssleep(1);
641 }
642 printk(KERN_ERR "%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
643 /*
644 * This adapter needs a blind reset, only do so for Adapters that
645 * support a register, instead of a commanded, reset.
646 */
647 if (((aac->supplement_adapter_info.SupportedOptions2 &
648 AAC_OPTION_MU_RESET) ||
649 (aac->supplement_adapter_info.SupportedOptions2 &
650 AAC_OPTION_DOORBELL_RESET)) &&
651 aac_check_reset &&
652 ((aac_check_reset != 1) ||
653 !(aac->supplement_adapter_info.SupportedOptions2 &
654 AAC_OPTION_IGNORE_RESET)))
655 aac_reset_adapter(aac, 2); /* Bypass wait for command quiesce */
656 return SUCCESS; /* Cause an immediate retry of the command with a ten second delay after successful tur */
657 }
658
659 /**
660 * aac_cfg_open - open a configuration file
661 * @inode: inode being opened
662 * @file: file handle attached
663 *
664 * Called when the configuration device is opened. Does the needed
665 * set up on the handle and then returns
666 *
667 * Bugs: This needs extending to check a given adapter is present
668 * so we can support hot plugging, and to ref count adapters.
669 */
670
671 static int aac_cfg_open(struct inode *inode, struct file *file)
672 {
673 struct aac_dev *aac;
674 unsigned minor_number = iminor(inode);
675 int err = -ENODEV;
676
677 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
678 list_for_each_entry(aac, &aac_devices, entry) {
679 if (aac->id == minor_number) {
680 file->private_data = aac;
681 err = 0;
682 break;
683 }
684 }
685 mutex_unlock(&aac_mutex);
686
687 return err;
688 }
689
690 /**
691 * aac_cfg_ioctl - AAC configuration request
692 * @inode: inode of device
693 * @file: file handle
694 * @cmd: ioctl command code
695 * @arg: argument
696 *
697 * Handles a configuration ioctl. Currently this involves wrapping it
698 * up and feeding it into the nasty windowsalike glue layer.
699 *
700 * Bugs: Needs locking against parallel ioctls lower down
701 * Bugs: Needs to handle hot plugging
702 */
703
704 static long aac_cfg_ioctl(struct file *file,
705 unsigned int cmd, unsigned long arg)
706 {
707 struct aac_dev *aac = (struct aac_dev *)file->private_data;
708
709 if (!capable(CAP_SYS_RAWIO))
710 return -EPERM;
711
712 return aac_do_ioctl(aac, cmd, (void __user *)arg);
713 }
714
715 #ifdef CONFIG_COMPAT
716 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
717 {
718 long ret;
719 switch (cmd) {
720 case FSACTL_MINIPORT_REV_CHECK:
721 case FSACTL_SENDFIB:
722 case FSACTL_OPEN_GET_ADAPTER_FIB:
723 case FSACTL_CLOSE_GET_ADAPTER_FIB:
724 case FSACTL_SEND_RAW_SRB:
725 case FSACTL_GET_PCI_INFO:
726 case FSACTL_QUERY_DISK:
727 case FSACTL_DELETE_DISK:
728 case FSACTL_FORCE_DELETE_DISK:
729 case FSACTL_GET_CONTAINERS:
730 case FSACTL_SEND_LARGE_FIB:
731 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
732 break;
733
734 case FSACTL_GET_NEXT_ADAPTER_FIB: {
735 struct fib_ioctl __user *f;
736
737 f = compat_alloc_user_space(sizeof(*f));
738 ret = 0;
739 if (clear_user(f, sizeof(*f)))
740 ret = -EFAULT;
741 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
742 ret = -EFAULT;
743 if (!ret)
744 ret = aac_do_ioctl(dev, cmd, f);
745 break;
746 }
747
748 default:
749 ret = -ENOIOCTLCMD;
750 break;
751 }
752 return ret;
753 }
754
755 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
756 {
757 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
758 if (!capable(CAP_SYS_RAWIO))
759 return -EPERM;
760 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
761 }
762
763 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
764 {
765 if (!capable(CAP_SYS_RAWIO))
766 return -EPERM;
767 return aac_compat_do_ioctl(file->private_data, cmd, arg);
768 }
769 #endif
770
771 static ssize_t aac_show_model(struct device *device,
772 struct device_attribute *attr, char *buf)
773 {
774 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
775 int len;
776
777 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
778 char * cp = dev->supplement_adapter_info.AdapterTypeText;
779 while (*cp && *cp != ' ')
780 ++cp;
781 while (*cp == ' ')
782 ++cp;
783 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
784 } else
785 len = snprintf(buf, PAGE_SIZE, "%s\n",
786 aac_drivers[dev->cardtype].model);
787 return len;
788 }
789
790 static ssize_t aac_show_vendor(struct device *device,
791 struct device_attribute *attr, char *buf)
792 {
793 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
794 int len;
795
796 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
797 char * cp = dev->supplement_adapter_info.AdapterTypeText;
798 while (*cp && *cp != ' ')
799 ++cp;
800 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
801 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
802 dev->supplement_adapter_info.AdapterTypeText);
803 } else
804 len = snprintf(buf, PAGE_SIZE, "%s\n",
805 aac_drivers[dev->cardtype].vname);
806 return len;
807 }
808
809 static ssize_t aac_show_flags(struct device *cdev,
810 struct device_attribute *attr, char *buf)
811 {
812 int len = 0;
813 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
814
815 if (nblank(dprintk(x)))
816 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
817 #ifdef AAC_DETAILED_STATUS_INFO
818 len += snprintf(buf + len, PAGE_SIZE - len,
819 "AAC_DETAILED_STATUS_INFO\n");
820 #endif
821 if (dev->raw_io_interface && dev->raw_io_64)
822 len += snprintf(buf + len, PAGE_SIZE - len,
823 "SAI_READ_CAPACITY_16\n");
824 if (dev->jbod)
825 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
826 if (dev->supplement_adapter_info.SupportedOptions2 &
827 AAC_OPTION_POWER_MANAGEMENT)
828 len += snprintf(buf + len, PAGE_SIZE - len,
829 "SUPPORTED_POWER_MANAGEMENT\n");
830 if (dev->msi)
831 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
832 return len;
833 }
834
835 static ssize_t aac_show_kernel_version(struct device *device,
836 struct device_attribute *attr,
837 char *buf)
838 {
839 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
840 int len, tmp;
841
842 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
843 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
844 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
845 le32_to_cpu(dev->adapter_info.kernelbuild));
846 return len;
847 }
848
849 static ssize_t aac_show_monitor_version(struct device *device,
850 struct device_attribute *attr,
851 char *buf)
852 {
853 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
854 int len, tmp;
855
856 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
857 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
858 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
859 le32_to_cpu(dev->adapter_info.monitorbuild));
860 return len;
861 }
862
863 static ssize_t aac_show_bios_version(struct device *device,
864 struct device_attribute *attr,
865 char *buf)
866 {
867 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
868 int len, tmp;
869
870 tmp = le32_to_cpu(dev->adapter_info.biosrev);
871 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
872 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
873 le32_to_cpu(dev->adapter_info.biosbuild));
874 return len;
875 }
876
877 static ssize_t aac_show_serial_number(struct device *device,
878 struct device_attribute *attr, char *buf)
879 {
880 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
881 int len = 0;
882
883 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
884 len = snprintf(buf, 16, "%06X\n",
885 le32_to_cpu(dev->adapter_info.serial[0]));
886 if (len &&
887 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
888 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
889 buf, len-1))
890 len = snprintf(buf, 16, "%.*s\n",
891 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
892 dev->supplement_adapter_info.MfgPcbaSerialNo);
893
894 return min(len, 16);
895 }
896
897 static ssize_t aac_show_max_channel(struct device *device,
898 struct device_attribute *attr, char *buf)
899 {
900 return snprintf(buf, PAGE_SIZE, "%d\n",
901 class_to_shost(device)->max_channel);
902 }
903
904 static ssize_t aac_show_max_id(struct device *device,
905 struct device_attribute *attr, char *buf)
906 {
907 return snprintf(buf, PAGE_SIZE, "%d\n",
908 class_to_shost(device)->max_id);
909 }
910
911 static ssize_t aac_store_reset_adapter(struct device *device,
912 struct device_attribute *attr,
913 const char *buf, size_t count)
914 {
915 int retval = -EACCES;
916
917 if (!capable(CAP_SYS_ADMIN))
918 return retval;
919 retval = aac_reset_adapter((struct aac_dev*)class_to_shost(device)->hostdata, buf[0] == '!');
920 if (retval >= 0)
921 retval = count;
922 return retval;
923 }
924
925 static ssize_t aac_show_reset_adapter(struct device *device,
926 struct device_attribute *attr,
927 char *buf)
928 {
929 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
930 int len, tmp;
931
932 tmp = aac_adapter_check_health(dev);
933 if ((tmp == 0) && dev->in_reset)
934 tmp = -EBUSY;
935 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
936 return len;
937 }
938
939 static struct device_attribute aac_model = {
940 .attr = {
941 .name = "model",
942 .mode = S_IRUGO,
943 },
944 .show = aac_show_model,
945 };
946 static struct device_attribute aac_vendor = {
947 .attr = {
948 .name = "vendor",
949 .mode = S_IRUGO,
950 },
951 .show = aac_show_vendor,
952 };
953 static struct device_attribute aac_flags = {
954 .attr = {
955 .name = "flags",
956 .mode = S_IRUGO,
957 },
958 .show = aac_show_flags,
959 };
960 static struct device_attribute aac_kernel_version = {
961 .attr = {
962 .name = "hba_kernel_version",
963 .mode = S_IRUGO,
964 },
965 .show = aac_show_kernel_version,
966 };
967 static struct device_attribute aac_monitor_version = {
968 .attr = {
969 .name = "hba_monitor_version",
970 .mode = S_IRUGO,
971 },
972 .show = aac_show_monitor_version,
973 };
974 static struct device_attribute aac_bios_version = {
975 .attr = {
976 .name = "hba_bios_version",
977 .mode = S_IRUGO,
978 },
979 .show = aac_show_bios_version,
980 };
981 static struct device_attribute aac_serial_number = {
982 .attr = {
983 .name = "serial_number",
984 .mode = S_IRUGO,
985 },
986 .show = aac_show_serial_number,
987 };
988 static struct device_attribute aac_max_channel = {
989 .attr = {
990 .name = "max_channel",
991 .mode = S_IRUGO,
992 },
993 .show = aac_show_max_channel,
994 };
995 static struct device_attribute aac_max_id = {
996 .attr = {
997 .name = "max_id",
998 .mode = S_IRUGO,
999 },
1000 .show = aac_show_max_id,
1001 };
1002 static struct device_attribute aac_reset = {
1003 .attr = {
1004 .name = "reset_host",
1005 .mode = S_IWUSR|S_IRUGO,
1006 },
1007 .store = aac_store_reset_adapter,
1008 .show = aac_show_reset_adapter,
1009 };
1010
1011 static struct device_attribute *aac_attrs[] = {
1012 &aac_model,
1013 &aac_vendor,
1014 &aac_flags,
1015 &aac_kernel_version,
1016 &aac_monitor_version,
1017 &aac_bios_version,
1018 &aac_serial_number,
1019 &aac_max_channel,
1020 &aac_max_id,
1021 &aac_reset,
1022 NULL
1023 };
1024
1025 ssize_t aac_get_serial_number(struct device *device, char *buf)
1026 {
1027 return aac_show_serial_number(device, &aac_serial_number, buf);
1028 }
1029
1030 static const struct file_operations aac_cfg_fops = {
1031 .owner = THIS_MODULE,
1032 .unlocked_ioctl = aac_cfg_ioctl,
1033 #ifdef CONFIG_COMPAT
1034 .compat_ioctl = aac_compat_cfg_ioctl,
1035 #endif
1036 .open = aac_cfg_open,
1037 .llseek = noop_llseek,
1038 };
1039
1040 static struct scsi_host_template aac_driver_template = {
1041 .module = THIS_MODULE,
1042 .name = "AAC",
1043 .proc_name = AAC_DRIVERNAME,
1044 .info = aac_info,
1045 .ioctl = aac_ioctl,
1046 #ifdef CONFIG_COMPAT
1047 .compat_ioctl = aac_compat_ioctl,
1048 #endif
1049 .queuecommand = aac_queuecommand,
1050 .bios_param = aac_biosparm,
1051 .shost_attrs = aac_attrs,
1052 .slave_configure = aac_slave_configure,
1053 .change_queue_depth = aac_change_queue_depth,
1054 .sdev_attrs = aac_dev_attrs,
1055 .eh_abort_handler = aac_eh_abort,
1056 .eh_host_reset_handler = aac_eh_reset,
1057 .can_queue = AAC_NUM_IO_FIB,
1058 .this_id = MAXIMUM_NUM_CONTAINERS,
1059 .sg_tablesize = 16,
1060 .max_sectors = 128,
1061 #if (AAC_NUM_IO_FIB > 256)
1062 .cmd_per_lun = 256,
1063 #else
1064 .cmd_per_lun = AAC_NUM_IO_FIB,
1065 #endif
1066 .use_clustering = ENABLE_CLUSTERING,
1067 .emulated = 1,
1068 .no_write_same = 1,
1069 };
1070
1071 static void __aac_shutdown(struct aac_dev * aac)
1072 {
1073 int i;
1074 int cpu;
1075
1076 aac_send_shutdown(aac);
1077
1078 if (aac->aif_thread) {
1079 int i;
1080 /* Clear out events first */
1081 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1082 struct fib *fib = &aac->fibs[i];
1083 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1084 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1085 up(&fib->event_wait);
1086 }
1087 kthread_stop(aac->thread);
1088 }
1089 aac_adapter_disable_int(aac);
1090 cpu = cpumask_first(cpu_online_mask);
1091 if (aac->pdev->device == PMC_DEVICE_S6 ||
1092 aac->pdev->device == PMC_DEVICE_S7 ||
1093 aac->pdev->device == PMC_DEVICE_S8 ||
1094 aac->pdev->device == PMC_DEVICE_S9) {
1095 if (aac->max_msix > 1) {
1096 for (i = 0; i < aac->max_msix; i++) {
1097 if (irq_set_affinity_hint(
1098 aac->msixentry[i].vector,
1099 NULL)) {
1100 printk(KERN_ERR "%s%d: Failed to reset IRQ affinity for cpu %d\n",
1101 aac->name,
1102 aac->id,
1103 cpu);
1104 }
1105 cpu = cpumask_next(cpu,
1106 cpu_online_mask);
1107 free_irq(aac->msixentry[i].vector,
1108 &(aac->aac_msix[i]));
1109 }
1110 } else {
1111 free_irq(aac->pdev->irq,
1112 &(aac->aac_msix[0]));
1113 }
1114 } else {
1115 free_irq(aac->pdev->irq, aac);
1116 }
1117 if (aac->msi)
1118 pci_disable_msi(aac->pdev);
1119 else if (aac->max_msix > 1)
1120 pci_disable_msix(aac->pdev);
1121 }
1122 static void aac_init_char(void)
1123 {
1124 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1125 if (aac_cfg_major < 0) {
1126 pr_err("aacraid: unable to register \"aac\" device.\n");
1127 }
1128 }
1129
1130 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1131 {
1132 unsigned index = id->driver_data;
1133 struct Scsi_Host *shost;
1134 struct aac_dev *aac;
1135 struct list_head *insert = &aac_devices;
1136 int error = -ENODEV;
1137 int unique_id = 0;
1138 u64 dmamask;
1139 extern int aac_sync_mode;
1140
1141 /*
1142 * Only series 7 needs freset.
1143 */
1144 if (pdev->device == PMC_DEVICE_S7)
1145 pdev->needs_freset = 1;
1146
1147 list_for_each_entry(aac, &aac_devices, entry) {
1148 if (aac->id > unique_id)
1149 break;
1150 insert = &aac->entry;
1151 unique_id++;
1152 }
1153
1154 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1155 PCIE_LINK_STATE_CLKPM);
1156
1157 error = pci_enable_device(pdev);
1158 if (error)
1159 goto out;
1160 error = -ENODEV;
1161
1162 /*
1163 * If the quirk31 bit is set, the adapter needs adapter
1164 * to driver communication memory to be allocated below 2gig
1165 */
1166 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1167 dmamask = DMA_BIT_MASK(31);
1168 else
1169 dmamask = DMA_BIT_MASK(32);
1170
1171 if (pci_set_dma_mask(pdev, dmamask) ||
1172 pci_set_consistent_dma_mask(pdev, dmamask))
1173 goto out_disable_pdev;
1174
1175 pci_set_master(pdev);
1176
1177 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1178 if (!shost)
1179 goto out_disable_pdev;
1180
1181 shost->irq = pdev->irq;
1182 shost->unique_id = unique_id;
1183 shost->max_cmd_len = 16;
1184 shost->use_cmd_list = 1;
1185
1186 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1187 aac_init_char();
1188
1189 aac = (struct aac_dev *)shost->hostdata;
1190 aac->base_start = pci_resource_start(pdev, 0);
1191 aac->scsi_host_ptr = shost;
1192 aac->pdev = pdev;
1193 aac->name = aac_driver_template.name;
1194 aac->id = shost->unique_id;
1195 aac->cardtype = index;
1196 INIT_LIST_HEAD(&aac->entry);
1197
1198 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1199 if (!aac->fibs)
1200 goto out_free_host;
1201 spin_lock_init(&aac->fib_lock);
1202
1203 mutex_init(&aac->ioctl_mutex);
1204 /*
1205 * Map in the registers from the adapter.
1206 */
1207 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1208 if ((*aac_drivers[index].init)(aac))
1209 goto out_unmap;
1210
1211 if (aac->sync_mode) {
1212 if (aac_sync_mode)
1213 printk(KERN_INFO "%s%d: Sync. mode enforced "
1214 "by driver parameter. This will cause "
1215 "a significant performance decrease!\n",
1216 aac->name,
1217 aac->id);
1218 else
1219 printk(KERN_INFO "%s%d: Async. mode not supported "
1220 "by current driver, sync. mode enforced."
1221 "\nPlease update driver to get full performance.\n",
1222 aac->name,
1223 aac->id);
1224 }
1225
1226 /*
1227 * Start any kernel threads needed
1228 */
1229 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1230 if (IS_ERR(aac->thread)) {
1231 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1232 error = PTR_ERR(aac->thread);
1233 aac->thread = NULL;
1234 goto out_deinit;
1235 }
1236
1237 /*
1238 * If we had set a smaller DMA mask earlier, set it to 4gig
1239 * now since the adapter can dma data to at least a 4gig
1240 * address space.
1241 */
1242 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1243 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1244 goto out_deinit;
1245
1246 aac->maximum_num_channels = aac_drivers[index].channels;
1247 error = aac_get_adapter_info(aac);
1248 if (error < 0)
1249 goto out_deinit;
1250
1251 /*
1252 * Lets override negotiations and drop the maximum SG limit to 34
1253 */
1254 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1255 (shost->sg_tablesize > 34)) {
1256 shost->sg_tablesize = 34;
1257 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1258 }
1259
1260 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1261 (shost->sg_tablesize > 17)) {
1262 shost->sg_tablesize = 17;
1263 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1264 }
1265
1266 error = pci_set_dma_max_seg_size(pdev,
1267 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1268 (shost->max_sectors << 9) : 65536);
1269 if (error)
1270 goto out_deinit;
1271
1272 /*
1273 * Firmware printf works only with older firmware.
1274 */
1275 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1276 aac->printf_enabled = 1;
1277 else
1278 aac->printf_enabled = 0;
1279
1280 /*
1281 * max channel will be the physical channels plus 1 virtual channel
1282 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1283 * physical channels are address by their actual physical number+1
1284 */
1285 if (aac->nondasd_support || expose_physicals || aac->jbod)
1286 shost->max_channel = aac->maximum_num_channels;
1287 else
1288 shost->max_channel = 0;
1289
1290 aac_get_config_status(aac, 0);
1291 aac_get_containers(aac);
1292 list_add(&aac->entry, insert);
1293
1294 shost->max_id = aac->maximum_num_containers;
1295 if (shost->max_id < aac->maximum_num_physicals)
1296 shost->max_id = aac->maximum_num_physicals;
1297 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1298 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1299 else
1300 shost->this_id = shost->max_id;
1301
1302 if (aac_drivers[index].quirks & AAC_QUIRK_SRC)
1303 aac_intr_normal(aac, 0, 2, 0, NULL);
1304
1305 /*
1306 * dmb - we may need to move the setting of these parms somewhere else once
1307 * we get a fib that can report the actual numbers
1308 */
1309 shost->max_lun = AAC_MAX_LUN;
1310
1311 pci_set_drvdata(pdev, shost);
1312
1313 error = scsi_add_host(shost, &pdev->dev);
1314 if (error)
1315 goto out_deinit;
1316 scsi_scan_host(shost);
1317
1318 pci_enable_pcie_error_reporting(pdev);
1319 pci_save_state(pdev);
1320
1321 return 0;
1322
1323 out_deinit:
1324 __aac_shutdown(aac);
1325 out_unmap:
1326 aac_fib_map_free(aac);
1327 if (aac->comm_addr)
1328 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1329 aac->comm_phys);
1330 kfree(aac->queues);
1331 aac_adapter_ioremap(aac, 0);
1332 kfree(aac->fibs);
1333 kfree(aac->fsa_dev);
1334 out_free_host:
1335 scsi_host_put(shost);
1336 out_disable_pdev:
1337 pci_disable_device(pdev);
1338 out:
1339 return error;
1340 }
1341
1342 static void aac_release_resources(struct aac_dev *aac)
1343 {
1344 int i;
1345
1346 aac_adapter_disable_int(aac);
1347 if (aac->pdev->device == PMC_DEVICE_S6 ||
1348 aac->pdev->device == PMC_DEVICE_S7 ||
1349 aac->pdev->device == PMC_DEVICE_S8 ||
1350 aac->pdev->device == PMC_DEVICE_S9) {
1351 if (aac->max_msix > 1) {
1352 for (i = 0; i < aac->max_msix; i++)
1353 free_irq(aac->msixentry[i].vector,
1354 &(aac->aac_msix[i]));
1355 } else {
1356 free_irq(aac->pdev->irq, &(aac->aac_msix[0]));
1357 }
1358 } else {
1359 free_irq(aac->pdev->irq, aac);
1360 }
1361 if (aac->msi)
1362 pci_disable_msi(aac->pdev);
1363 else if (aac->max_msix > 1)
1364 pci_disable_msix(aac->pdev);
1365
1366 }
1367
1368 static int aac_acquire_resources(struct aac_dev *dev)
1369 {
1370 int i, j;
1371 int instance = dev->id;
1372 const char *name = dev->name;
1373 unsigned long status;
1374 /*
1375 * First clear out all interrupts. Then enable the one's that we
1376 * can handle.
1377 */
1378 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1379 || status == 0xffffffff)
1380 msleep(20);
1381
1382 aac_adapter_disable_int(dev);
1383 aac_adapter_enable_int(dev);
1384
1385
1386 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1387 dev->pdev->device == PMC_DEVICE_S8 ||
1388 dev->pdev->device == PMC_DEVICE_S9))
1389 aac_define_int_mode(dev);
1390
1391 if (dev->msi_enabled)
1392 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1393
1394 if (!dev->sync_mode && dev->msi_enabled && dev->max_msix > 1) {
1395 for (i = 0; i < dev->max_msix; i++) {
1396 dev->aac_msix[i].vector_no = i;
1397 dev->aac_msix[i].dev = dev;
1398
1399 if (request_irq(dev->msixentry[i].vector,
1400 dev->a_ops.adapter_intr,
1401 0, "aacraid", &(dev->aac_msix[i]))) {
1402 printk(KERN_ERR "%s%d: Failed to register IRQ for vector %d.\n",
1403 name, instance, i);
1404 for (j = 0 ; j < i ; j++)
1405 free_irq(dev->msixentry[j].vector,
1406 &(dev->aac_msix[j]));
1407 pci_disable_msix(dev->pdev);
1408 goto error_iounmap;
1409 }
1410 }
1411 } else {
1412 dev->aac_msix[0].vector_no = 0;
1413 dev->aac_msix[0].dev = dev;
1414
1415 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
1416 IRQF_SHARED, "aacraid",
1417 &(dev->aac_msix[0])) < 0) {
1418 if (dev->msi)
1419 pci_disable_msi(dev->pdev);
1420 printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
1421 name, instance);
1422 goto error_iounmap;
1423 }
1424 }
1425
1426 aac_adapter_enable_int(dev);
1427
1428 /*max msix may change after EEH
1429 * Re-assign vectors to fibs
1430 */
1431 aac_fib_vector_assign(dev);
1432
1433 if (!dev->sync_mode) {
1434 /* After EEH recovery or suspend resume, max_msix count
1435 * may change, therfore updating in init as well.
1436 */
1437 dev->init->Sa_MSIXVectors = cpu_to_le32(dev->max_msix);
1438 aac_adapter_start(dev);
1439 }
1440 return 0;
1441
1442 error_iounmap:
1443 return -1;
1444
1445 }
1446
1447 #if (defined(CONFIG_PM))
1448 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1449 {
1450
1451 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1452 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1453
1454 scsi_block_requests(shost);
1455 aac_send_shutdown(aac);
1456
1457 aac_release_resources(aac);
1458
1459 pci_set_drvdata(pdev, shost);
1460 pci_save_state(pdev);
1461 pci_disable_device(pdev);
1462 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1463
1464 return 0;
1465 }
1466
1467 static int aac_resume(struct pci_dev *pdev)
1468 {
1469 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1470 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1471 int r;
1472
1473 pci_set_power_state(pdev, PCI_D0);
1474 pci_enable_wake(pdev, PCI_D0, 0);
1475 pci_restore_state(pdev);
1476 r = pci_enable_device(pdev);
1477
1478 if (r)
1479 goto fail_device;
1480
1481 pci_set_master(pdev);
1482 if (aac_acquire_resources(aac))
1483 goto fail_device;
1484 /*
1485 * reset this flag to unblock ioctl() as it was set at
1486 * aac_send_shutdown() to block ioctls from upperlayer
1487 */
1488 aac->adapter_shutdown = 0;
1489 scsi_unblock_requests(shost);
1490
1491 return 0;
1492
1493 fail_device:
1494 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1495 scsi_host_put(shost);
1496 pci_disable_device(pdev);
1497 return -ENODEV;
1498 }
1499 #endif
1500
1501 static void aac_shutdown(struct pci_dev *dev)
1502 {
1503 struct Scsi_Host *shost = pci_get_drvdata(dev);
1504 scsi_block_requests(shost);
1505 __aac_shutdown((struct aac_dev *)shost->hostdata);
1506 }
1507
1508 static void aac_remove_one(struct pci_dev *pdev)
1509 {
1510 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1511 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1512
1513 scsi_remove_host(shost);
1514
1515 __aac_shutdown(aac);
1516 aac_fib_map_free(aac);
1517 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1518 aac->comm_phys);
1519 kfree(aac->queues);
1520
1521 aac_adapter_ioremap(aac, 0);
1522
1523 kfree(aac->fibs);
1524 kfree(aac->fsa_dev);
1525
1526 list_del(&aac->entry);
1527 scsi_host_put(shost);
1528 pci_disable_device(pdev);
1529 if (list_empty(&aac_devices)) {
1530 unregister_chrdev(aac_cfg_major, "aac");
1531 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1532 }
1533 }
1534
1535 static void aac_flush_ios(struct aac_dev *aac)
1536 {
1537 int i;
1538 struct scsi_cmnd *cmd;
1539
1540 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1541 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1542 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1543 scsi_dma_unmap(cmd);
1544
1545 if (aac->handle_pci_error)
1546 cmd->result = DID_NO_CONNECT << 16;
1547 else
1548 cmd->result = DID_RESET << 16;
1549
1550 cmd->scsi_done(cmd);
1551 }
1552 }
1553 }
1554
1555 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1556 enum pci_channel_state error)
1557 {
1558 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1559 struct aac_dev *aac = shost_priv(shost);
1560
1561 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1562
1563 switch (error) {
1564 case pci_channel_io_normal:
1565 return PCI_ERS_RESULT_CAN_RECOVER;
1566 case pci_channel_io_frozen:
1567 aac->handle_pci_error = 1;
1568
1569 scsi_block_requests(aac->scsi_host_ptr);
1570 aac_flush_ios(aac);
1571 aac_release_resources(aac);
1572
1573 pci_disable_pcie_error_reporting(pdev);
1574 aac_adapter_ioremap(aac, 0);
1575
1576 return PCI_ERS_RESULT_NEED_RESET;
1577 case pci_channel_io_perm_failure:
1578 aac->handle_pci_error = 1;
1579
1580 aac_flush_ios(aac);
1581 return PCI_ERS_RESULT_DISCONNECT;
1582 }
1583
1584 return PCI_ERS_RESULT_NEED_RESET;
1585 }
1586
1587 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1588 {
1589 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1590 return PCI_ERS_RESULT_NEED_RESET;
1591 }
1592
1593 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1594 {
1595 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1596 pci_restore_state(pdev);
1597 if (pci_enable_device(pdev)) {
1598 dev_warn(&pdev->dev,
1599 "aacraid: failed to enable slave\n");
1600 goto fail_device;
1601 }
1602
1603 pci_set_master(pdev);
1604
1605 if (pci_enable_device_mem(pdev)) {
1606 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1607 goto fail_device;
1608 }
1609
1610 return PCI_ERS_RESULT_RECOVERED;
1611
1612 fail_device:
1613 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1614 return PCI_ERS_RESULT_DISCONNECT;
1615 }
1616
1617
1618 static void aac_pci_resume(struct pci_dev *pdev)
1619 {
1620 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1621 struct scsi_device *sdev = NULL;
1622 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1623
1624 pci_cleanup_aer_uncorrect_error_status(pdev);
1625
1626 if (aac_adapter_ioremap(aac, aac->base_size)) {
1627
1628 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1629 /* remap failed, go back ... */
1630 aac->comm_interface = AAC_COMM_PRODUCER;
1631 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1632 dev_warn(&pdev->dev,
1633 "aacraid: unable to map adapter.\n");
1634
1635 return;
1636 }
1637 }
1638
1639 msleep(10000);
1640
1641 aac_acquire_resources(aac);
1642
1643 /*
1644 * reset this flag to unblock ioctl() as it was set
1645 * at aac_send_shutdown() to block ioctls from upperlayer
1646 */
1647 aac->adapter_shutdown = 0;
1648 aac->handle_pci_error = 0;
1649
1650 shost_for_each_device(sdev, shost)
1651 if (sdev->sdev_state == SDEV_OFFLINE)
1652 sdev->sdev_state = SDEV_RUNNING;
1653 scsi_unblock_requests(aac->scsi_host_ptr);
1654 scsi_scan_host(aac->scsi_host_ptr);
1655 pci_save_state(pdev);
1656
1657 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1658 }
1659
1660 static struct pci_error_handlers aac_pci_err_handler = {
1661 .error_detected = aac_pci_error_detected,
1662 .mmio_enabled = aac_pci_mmio_enabled,
1663 .slot_reset = aac_pci_slot_reset,
1664 .resume = aac_pci_resume,
1665 };
1666
1667 static struct pci_driver aac_pci_driver = {
1668 .name = AAC_DRIVERNAME,
1669 .id_table = aac_pci_tbl,
1670 .probe = aac_probe_one,
1671 .remove = aac_remove_one,
1672 #if (defined(CONFIG_PM))
1673 .suspend = aac_suspend,
1674 .resume = aac_resume,
1675 #endif
1676 .shutdown = aac_shutdown,
1677 .err_handler = &aac_pci_err_handler,
1678 };
1679
1680 static int __init aac_init(void)
1681 {
1682 int error;
1683
1684 printk(KERN_INFO "Adaptec %s driver %s\n",
1685 AAC_DRIVERNAME, aac_driver_version);
1686
1687 error = pci_register_driver(&aac_pci_driver);
1688 if (error < 0)
1689 return error;
1690
1691 aac_init_char();
1692
1693
1694 return 0;
1695 }
1696
1697 static void __exit aac_exit(void)
1698 {
1699 if (aac_cfg_major > -1)
1700 unregister_chrdev(aac_cfg_major, "aac");
1701 pci_unregister_driver(&aac_pci_driver);
1702 }
1703
1704 module_init(aac_init);
1705 module_exit(aac_exit);
Linux kernel - Deliverables
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