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Merge branches 'for-4.11/upstream-fixes', 'for-4.12/accutouch', 'for-4.12/cp2112...
[mirror_ubuntu-artful-kernel.git] / drivers / scsi / aacraid / linit.c
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
10 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2, or (at your option)
15 * any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; see the file COPYING. If not, write to
24 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
25 *
26 * Module Name:
27 * linit.c
28 *
29 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
30 */
31
32
33 #include <linux/compat.h>
34 #include <linux/blkdev.h>
35 #include <linux/completion.h>
36 #include <linux/init.h>
37 #include <linux/interrupt.h>
38 #include <linux/kernel.h>
39 #include <linux/module.h>
40 #include <linux/moduleparam.h>
41 #include <linux/pci.h>
42 #include <linux/aer.h>
43 #include <linux/pci-aspm.h>
44 #include <linux/slab.h>
45 #include <linux/mutex.h>
46 #include <linux/spinlock.h>
47 #include <linux/syscalls.h>
48 #include <linux/delay.h>
49 #include <linux/kthread.h>
50
51 #include <scsi/scsi.h>
52 #include <scsi/scsi_cmnd.h>
53 #include <scsi/scsi_device.h>
54 #include <scsi/scsi_host.h>
55 #include <scsi/scsi_tcq.h>
56 #include <scsi/scsicam.h>
57 #include <scsi/scsi_eh.h>
58
59 #include "aacraid.h"
60
61 #define AAC_DRIVER_VERSION "1.2.1"
62 #ifndef AAC_DRIVER_BRANCH
63 #define AAC_DRIVER_BRANCH ""
64 #endif
65 #define AAC_DRIVERNAME "aacraid"
66
67 #ifdef AAC_DRIVER_BUILD
68 #define _str(x) #x
69 #define str(x) _str(x)
70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
71 #else
72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
73 #endif
74
75 MODULE_AUTHOR("Red Hat Inc and Adaptec");
76 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
77 "Adaptec Advanced Raid Products, "
78 "HP NetRAID-4M, IBM ServeRAID & ICP SCSI driver");
79 MODULE_LICENSE("GPL");
80 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
81
82 static DEFINE_MUTEX(aac_mutex);
83 static LIST_HEAD(aac_devices);
84 static int aac_cfg_major = AAC_CHARDEV_UNREGISTERED;
85 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
86
87 /*
88 * Because of the way Linux names scsi devices, the order in this table has
89 * become important. Check for on-board Raid first, add-in cards second.
90 *
91 * Note: The last field is used to index into aac_drivers below.
92 */
93 static const struct pci_device_id aac_pci_tbl[] = {
94 { 0x1028, 0x0001, 0x1028, 0x0001, 0, 0, 0 }, /* PERC 2/Si (Iguana/PERC2Si) */
95 { 0x1028, 0x0002, 0x1028, 0x0002, 0, 0, 1 }, /* PERC 3/Di (Opal/PERC3Di) */
96 { 0x1028, 0x0003, 0x1028, 0x0003, 0, 0, 2 }, /* PERC 3/Si (SlimFast/PERC3Si */
97 { 0x1028, 0x0004, 0x1028, 0x00d0, 0, 0, 3 }, /* PERC 3/Di (Iguana FlipChip/PERC3DiF */
98 { 0x1028, 0x0002, 0x1028, 0x00d1, 0, 0, 4 }, /* PERC 3/Di (Viper/PERC3DiV) */
99 { 0x1028, 0x0002, 0x1028, 0x00d9, 0, 0, 5 }, /* PERC 3/Di (Lexus/PERC3DiL) */
100 { 0x1028, 0x000a, 0x1028, 0x0106, 0, 0, 6 }, /* PERC 3/Di (Jaguar/PERC3DiJ) */
101 { 0x1028, 0x000a, 0x1028, 0x011b, 0, 0, 7 }, /* PERC 3/Di (Dagger/PERC3DiD) */
102 { 0x1028, 0x000a, 0x1028, 0x0121, 0, 0, 8 }, /* PERC 3/Di (Boxster/PERC3DiB) */
103 { 0x9005, 0x0283, 0x9005, 0x0283, 0, 0, 9 }, /* catapult */
104 { 0x9005, 0x0284, 0x9005, 0x0284, 0, 0, 10 }, /* tomcat */
105 { 0x9005, 0x0285, 0x9005, 0x0286, 0, 0, 11 }, /* Adaptec 2120S (Crusader) */
106 { 0x9005, 0x0285, 0x9005, 0x0285, 0, 0, 12 }, /* Adaptec 2200S (Vulcan) */
107 { 0x9005, 0x0285, 0x9005, 0x0287, 0, 0, 13 }, /* Adaptec 2200S (Vulcan-2m) */
108 { 0x9005, 0x0285, 0x17aa, 0x0286, 0, 0, 14 }, /* Legend S220 (Legend Crusader) */
109 { 0x9005, 0x0285, 0x17aa, 0x0287, 0, 0, 15 }, /* Legend S230 (Legend Vulcan) */
110
111 { 0x9005, 0x0285, 0x9005, 0x0288, 0, 0, 16 }, /* Adaptec 3230S (Harrier) */
112 { 0x9005, 0x0285, 0x9005, 0x0289, 0, 0, 17 }, /* Adaptec 3240S (Tornado) */
113 { 0x9005, 0x0285, 0x9005, 0x028a, 0, 0, 18 }, /* ASR-2020ZCR SCSI PCI-X ZCR (Skyhawk) */
114 { 0x9005, 0x0285, 0x9005, 0x028b, 0, 0, 19 }, /* ASR-2025ZCR SCSI SO-DIMM PCI-X ZCR (Terminator) */
115 { 0x9005, 0x0286, 0x9005, 0x028c, 0, 0, 20 }, /* ASR-2230S + ASR-2230SLP PCI-X (Lancer) */
116 { 0x9005, 0x0286, 0x9005, 0x028d, 0, 0, 21 }, /* ASR-2130S (Lancer) */
117 { 0x9005, 0x0286, 0x9005, 0x029b, 0, 0, 22 }, /* AAR-2820SA (Intruder) */
118 { 0x9005, 0x0286, 0x9005, 0x029c, 0, 0, 23 }, /* AAR-2620SA (Intruder) */
119 { 0x9005, 0x0286, 0x9005, 0x029d, 0, 0, 24 }, /* AAR-2420SA (Intruder) */
120 { 0x9005, 0x0286, 0x9005, 0x029e, 0, 0, 25 }, /* ICP9024RO (Lancer) */
121 { 0x9005, 0x0286, 0x9005, 0x029f, 0, 0, 26 }, /* ICP9014RO (Lancer) */
122 { 0x9005, 0x0286, 0x9005, 0x02a0, 0, 0, 27 }, /* ICP9047MA (Lancer) */
123 { 0x9005, 0x0286, 0x9005, 0x02a1, 0, 0, 28 }, /* ICP9087MA (Lancer) */
124 { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5445AU (Hurricane44) */
125 { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
126 { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
127 { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
128 { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
129 { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
130 { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
131 { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
132 { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
133 { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
134 { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
135 { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
136 { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
137 { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
138 { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
139 { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
140 { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005 */
141 { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
142 { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
143 { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
144 { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
145 { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000 (BlackBird) */
146 { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
147 { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
148 { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-3800 (Hurricane44) */
149
150 { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
151 { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
152 { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
153 { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
154 { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
155
156 { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
157 { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
158 { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
159 { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
160 { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
161 { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */
162 { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */
163 { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */
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 };
243
244 /**
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
248 *
249 * Queues a command for execution by the associated Host Adapter.
250 *
251 * TODO: unify with aac_scsi_cmd().
252 */
253
254 static int aac_queuecommand(struct Scsi_Host *shost,
255 struct scsi_cmnd *cmd)
256 {
257 int r = 0;
258 cmd->SCp.phase = AAC_OWNER_LOWLEVEL;
259 r = (aac_scsi_cmd(cmd) ? FAILED : 0);
260 return r;
261 }
262
263 /**
264 * aac_info - Returns the host adapter name
265 * @shost: Scsi host to report on
266 *
267 * Returns a static string describing the device in question
268 */
269
270 static const char *aac_info(struct Scsi_Host *shost)
271 {
272 struct aac_dev *dev = (struct aac_dev *)shost->hostdata;
273 return aac_drivers[dev->cardtype].name;
274 }
275
276 /**
277 * aac_get_driver_ident
278 * @devtype: index into lookup table
279 *
280 * Returns a pointer to the entry in the driver lookup table.
281 */
282
283 struct aac_driver_ident* aac_get_driver_ident(int devtype)
284 {
285 return &aac_drivers[devtype];
286 }
287
288 /**
289 * aac_biosparm - return BIOS parameters for disk
290 * @sdev: The scsi device corresponding to the disk
291 * @bdev: the block device corresponding to the disk
292 * @capacity: the sector capacity of the disk
293 * @geom: geometry block to fill in
294 *
295 * Return the Heads/Sectors/Cylinders BIOS Disk Parameters for Disk.
296 * The default disk geometry is 64 heads, 32 sectors, and the appropriate
297 * number of cylinders so as not to exceed drive capacity. In order for
298 * disks equal to or larger than 1 GB to be addressable by the BIOS
299 * without exceeding the BIOS limitation of 1024 cylinders, Extended
300 * Translation should be enabled. With Extended Translation enabled,
301 * drives between 1 GB inclusive and 2 GB exclusive are given a disk
302 * geometry of 128 heads and 32 sectors, and drives above 2 GB inclusive
303 * are given a disk geometry of 255 heads and 63 sectors. However, if
304 * the BIOS detects that the Extended Translation setting does not match
305 * the geometry in the partition table, then the translation inferred
306 * from the partition table will be used by the BIOS, and a warning may
307 * be displayed.
308 */
309
310 static int aac_biosparm(struct scsi_device *sdev, struct block_device *bdev,
311 sector_t capacity, int *geom)
312 {
313 struct diskparm *param = (struct diskparm *)geom;
314 unsigned char *buf;
315
316 dprintk((KERN_DEBUG "aac_biosparm.\n"));
317
318 /*
319 * Assuming extended translation is enabled - #REVISIT#
320 */
321 if (capacity >= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322 if(capacity >= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
323 param->heads = 255;
324 param->sectors = 63;
325 } else {
326 param->heads = 128;
327 param->sectors = 32;
328 }
329 } else {
330 param->heads = 64;
331 param->sectors = 32;
332 }
333
334 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
335
336 /*
337 * Read the first 1024 bytes from the disk device, if the boot
338 * sector partition table is valid, search for a partition table
339 * entry whose end_head matches one of the standard geometry
340 * translations ( 64/32, 128/32, 255/63 ).
341 */
342 buf = scsi_bios_ptable(bdev);
343 if (!buf)
344 return 0;
345 if(*(__le16 *)(buf + 0x40) == cpu_to_le16(0xaa55)) {
346 struct partition *first = (struct partition * )buf;
347 struct partition *entry = first;
348 int saved_cylinders = param->cylinders;
349 int num;
350 unsigned char end_head, end_sec;
351
352 for(num = 0; num < 4; num++) {
353 end_head = entry->end_head;
354 end_sec = entry->end_sector & 0x3f;
355
356 if(end_head == 63) {
357 param->heads = 64;
358 param->sectors = 32;
359 break;
360 } else if(end_head == 127) {
361 param->heads = 128;
362 param->sectors = 32;
363 break;
364 } else if(end_head == 254) {
365 param->heads = 255;
366 param->sectors = 63;
367 break;
368 }
369 entry++;
370 }
371
372 if (num == 4) {
373 end_head = first->end_head;
374 end_sec = first->end_sector & 0x3f;
375 }
376
377 param->cylinders = cap_to_cyls(capacity, param->heads * param->sectors);
378 if (num < 4 && end_sec == param->sectors) {
379 if (param->cylinders != saved_cylinders)
380 dprintk((KERN_DEBUG "Adopting geometry: heads=%d, sectors=%d from partition table %d.\n",
381 param->heads, param->sectors, num));
382 } else if (end_head > 0 || end_sec > 0) {
383 dprintk((KERN_DEBUG "Strange geometry: heads=%d, sectors=%d in partition table %d.\n",
384 end_head + 1, end_sec, num));
385 dprintk((KERN_DEBUG "Using geometry: heads=%d, sectors=%d.\n",
386 param->heads, param->sectors));
387 }
388 }
389 kfree(buf);
390 return 0;
391 }
392
393 /**
394 * aac_slave_configure - compute queue depths
395 * @sdev: SCSI device we are considering
396 *
397 * Selects queue depths for each target device based on the host adapter's
398 * total capacity and the queue depth supported by the target device.
399 * A queue depth of one automatically disables tagged queueing.
400 */
401
402 static int aac_slave_configure(struct scsi_device *sdev)
403 {
404 struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
405 int chn, tid;
406 unsigned int depth = 0;
407 unsigned int set_timeout = 0;
408
409 chn = aac_logical_to_phys(sdev_channel(sdev));
410 tid = sdev_id(sdev);
411 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
412 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
413 depth = aac->hba_map[chn][tid].qd_limit;
414 set_timeout = 1;
415 goto common_config;
416 }
417
418
419 if (aac->jbod && (sdev->type == TYPE_DISK))
420 sdev->removable = 1;
421
422 if (sdev->type == TYPE_DISK
423 && sdev_channel(sdev) != CONTAINER_CHANNEL
424 && (!aac->jbod || sdev->inq_periph_qual)
425 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))) {
426
427 if (expose_physicals == 0)
428 return -ENXIO;
429
430 if (expose_physicals < 0)
431 sdev->no_uld_attach = 1;
432 }
433
434 if (sdev->tagged_supported
435 && sdev->type == TYPE_DISK
436 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
437 && !sdev->no_uld_attach) {
438
439 struct scsi_device * dev;
440 struct Scsi_Host *host = sdev->host;
441 unsigned num_lsu = 0;
442 unsigned num_one = 0;
443 unsigned cid;
444
445 set_timeout = 1;
446
447 for (cid = 0; cid < aac->maximum_num_containers; ++cid)
448 if (aac->fsa_dev[cid].valid)
449 ++num_lsu;
450
451 __shost_for_each_device(dev, host) {
452 if (dev->tagged_supported
453 && dev->type == TYPE_DISK
454 && (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
455 && !dev->no_uld_attach) {
456 if ((sdev_channel(dev) != CONTAINER_CHANNEL)
457 || !aac->fsa_dev[sdev_id(dev)].valid) {
458 ++num_lsu;
459 }
460 } else {
461 ++num_one;
462 }
463 }
464
465 if (num_lsu == 0)
466 ++num_lsu;
467
468 depth = (host->can_queue - num_one) / num_lsu;
469 }
470
471 common_config:
472 /*
473 * Firmware has an individual device recovery time typically
474 * of 35 seconds, give us a margin.
475 */
476 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
477 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
478
479 if (depth > 256)
480 depth = 256;
481 else if (depth < 1)
482 depth = 1;
483
484 scsi_change_queue_depth(sdev, depth);
485
486 sdev->tagged_supported = 1;
487
488 return 0;
489 }
490
491 /**
492 * aac_change_queue_depth - alter queue depths
493 * @sdev: SCSI device we are considering
494 * @depth: desired queue depth
495 *
496 * Alters queue depths for target device based on the host adapter's
497 * total capacity and the queue depth supported by the target device.
498 */
499
500 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
501 {
502 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
503 int chn, tid, is_native_device = 0;
504
505 chn = aac_logical_to_phys(sdev_channel(sdev));
506 tid = sdev_id(sdev);
507 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
508 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
509 is_native_device = 1;
510
511 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
512 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
513 struct scsi_device * dev;
514 struct Scsi_Host *host = sdev->host;
515 unsigned num = 0;
516
517 __shost_for_each_device(dev, host) {
518 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
519 (sdev_channel(dev) == CONTAINER_CHANNEL))
520 ++num;
521 ++num;
522 }
523 if (num >= host->can_queue)
524 num = host->can_queue - 1;
525 if (depth > (host->can_queue - num))
526 depth = host->can_queue - num;
527 if (depth > 256)
528 depth = 256;
529 else if (depth < 2)
530 depth = 2;
531 return scsi_change_queue_depth(sdev, depth);
532 } else if (is_native_device) {
533 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
534 } else {
535 scsi_change_queue_depth(sdev, 1);
536 }
537 return sdev->queue_depth;
538 }
539
540 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
541 {
542 struct scsi_device *sdev = to_scsi_device(dev);
543 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
544 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
545 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
546 ? "Hidden\n" :
547 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
548 return snprintf(buf, PAGE_SIZE, "%s\n",
549 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
550 }
551
552 static struct device_attribute aac_raid_level_attr = {
553 .attr = {
554 .name = "level",
555 .mode = S_IRUGO,
556 },
557 .show = aac_show_raid_level
558 };
559
560 static ssize_t aac_show_unique_id(struct device *dev,
561 struct device_attribute *attr, char *buf)
562 {
563 struct scsi_device *sdev = to_scsi_device(dev);
564 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
565 unsigned char sn[16];
566
567 memset(sn, 0, sizeof(sn));
568
569 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
570 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
571
572 return snprintf(buf, 16 * 2 + 2,
573 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
574 sn[0], sn[1], sn[2], sn[3],
575 sn[4], sn[5], sn[6], sn[7],
576 sn[8], sn[9], sn[10], sn[11],
577 sn[12], sn[13], sn[14], sn[15]);
578 }
579
580 static struct device_attribute aac_unique_id_attr = {
581 .attr = {
582 .name = "unique_id",
583 .mode = 0444,
584 },
585 .show = aac_show_unique_id
586 };
587
588
589
590 static struct device_attribute *aac_dev_attrs[] = {
591 &aac_raid_level_attr,
592 &aac_unique_id_attr,
593 NULL,
594 };
595
596 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
597 {
598 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
599 if (!capable(CAP_SYS_RAWIO))
600 return -EPERM;
601 return aac_do_ioctl(dev, cmd, arg);
602 }
603
604 static int aac_eh_abort(struct scsi_cmnd* cmd)
605 {
606 struct scsi_device * dev = cmd->device;
607 struct Scsi_Host * host = dev->host;
608 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
609 int count, found;
610 u32 bus, cid;
611 int ret = FAILED;
612
613 bus = aac_logical_to_phys(scmd_channel(cmd));
614 cid = scmd_id(cmd);
615 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
616 struct fib *fib;
617 struct aac_hba_tm_req *tmf;
618 int status;
619 u64 address;
620 __le32 managed_request_id;
621
622 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
623 AAC_DRIVERNAME,
624 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
625
626 found = 0;
627 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
628 fib = &aac->fibs[count];
629 if (*(u8 *)fib->hw_fib_va != 0 &&
630 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
631 (fib->callback_data == cmd)) {
632 found = 1;
633 managed_request_id = ((struct aac_hba_cmd_req *)
634 fib->hw_fib_va)->request_id;
635 break;
636 }
637 }
638 if (!found)
639 return ret;
640
641 /* start a HBA_TMF_ABORT_TASK TMF request */
642 fib = aac_fib_alloc(aac);
643 if (!fib)
644 return ret;
645
646 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
647 memset(tmf, 0, sizeof(*tmf));
648 tmf->tmf = HBA_TMF_ABORT_TASK;
649 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
650 tmf->lun[1] = cmd->device->lun;
651
652 address = (u64)fib->hw_error_pa;
653 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
654 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
655 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
656
657 fib->hbacmd_size = sizeof(*tmf);
658 cmd->SCp.sent_command = 0;
659
660 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
661 (fib_callback) aac_hba_callback,
662 (void *) cmd);
663
664 /* Wait up to 2 minutes for completion */
665 for (count = 0; count < 120; ++count) {
666 if (cmd->SCp.sent_command) {
667 ret = SUCCESS;
668 break;
669 }
670 msleep(1000);
671 }
672
673 if (ret != SUCCESS)
674 pr_err("%s: Host adapter abort request timed out\n",
675 AAC_DRIVERNAME);
676 } else {
677 pr_err(
678 "%s: Host adapter abort request.\n"
679 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
680 AAC_DRIVERNAME, AAC_DRIVERNAME,
681 host->host_no, sdev_channel(dev), sdev_id(dev),
682 (int)dev->lun);
683 switch (cmd->cmnd[0]) {
684 case SERVICE_ACTION_IN_16:
685 if (!(aac->raw_io_interface) ||
686 !(aac->raw_io_64) ||
687 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
688 break;
689 case INQUIRY:
690 case READ_CAPACITY:
691 /*
692 * Mark associated FIB to not complete,
693 * eh handler does this
694 */
695 for (count = 0;
696 count < (host->can_queue + AAC_NUM_MGT_FIB);
697 ++count) {
698 struct fib *fib = &aac->fibs[count];
699
700 if (fib->hw_fib_va->header.XferState &&
701 (fib->flags & FIB_CONTEXT_FLAG) &&
702 (fib->callback_data == cmd)) {
703 fib->flags |=
704 FIB_CONTEXT_FLAG_TIMED_OUT;
705 cmd->SCp.phase =
706 AAC_OWNER_ERROR_HANDLER;
707 ret = SUCCESS;
708 }
709 }
710 break;
711 case TEST_UNIT_READY:
712 /*
713 * Mark associated FIB to not complete,
714 * eh handler does this
715 */
716 for (count = 0;
717 count < (host->can_queue + AAC_NUM_MGT_FIB);
718 ++count) {
719 struct scsi_cmnd *command;
720 struct fib *fib = &aac->fibs[count];
721
722 command = fib->callback_data;
723
724 if ((fib->hw_fib_va->header.XferState &
725 cpu_to_le32
726 (Async | NoResponseExpected)) &&
727 (fib->flags & FIB_CONTEXT_FLAG) &&
728 ((command)) &&
729 (command->device == cmd->device)) {
730 fib->flags |=
731 FIB_CONTEXT_FLAG_TIMED_OUT;
732 command->SCp.phase =
733 AAC_OWNER_ERROR_HANDLER;
734 if (command == cmd)
735 ret = SUCCESS;
736 }
737 }
738 break;
739 }
740 }
741 return ret;
742 }
743
744 /*
745 * aac_eh_reset - Reset command handling
746 * @scsi_cmd: SCSI command block causing the reset
747 *
748 */
749 static int aac_eh_reset(struct scsi_cmnd* cmd)
750 {
751 struct scsi_device * dev = cmd->device;
752 struct Scsi_Host * host = dev->host;
753 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
754 int count;
755 u32 bus, cid;
756 int ret = FAILED;
757
758 bus = aac_logical_to_phys(scmd_channel(cmd));
759 cid = scmd_id(cmd);
760 if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
761 aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
762 struct fib *fib;
763 int status;
764 u64 address;
765 u8 command;
766
767 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
768 AAC_DRIVERNAME);
769
770 fib = aac_fib_alloc(aac);
771 if (!fib)
772 return ret;
773
774
775 if (aac->hba_map[bus][cid].reset_state == 0) {
776 struct aac_hba_tm_req *tmf;
777
778 /* start a HBA_TMF_LUN_RESET TMF request */
779 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
780 memset(tmf, 0, sizeof(*tmf));
781 tmf->tmf = HBA_TMF_LUN_RESET;
782 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
783 tmf->lun[1] = cmd->device->lun;
784
785 address = (u64)fib->hw_error_pa;
786 tmf->error_ptr_hi = cpu_to_le32
787 ((u32)(address >> 32));
788 tmf->error_ptr_lo = cpu_to_le32
789 ((u32)(address & 0xffffffff));
790 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
791 fib->hbacmd_size = sizeof(*tmf);
792
793 command = HBA_IU_TYPE_SCSI_TM_REQ;
794 aac->hba_map[bus][cid].reset_state++;
795 } else if (aac->hba_map[bus][cid].reset_state >= 1) {
796 struct aac_hba_reset_req *rst;
797
798 /* already tried, start a hard reset now */
799 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
800 memset(rst, 0, sizeof(*rst));
801 /* reset_type is already zero... */
802 rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
803
804 address = (u64)fib->hw_error_pa;
805 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
806 rst->error_ptr_lo = cpu_to_le32
807 ((u32)(address & 0xffffffff));
808 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
809 fib->hbacmd_size = sizeof(*rst);
810
811 command = HBA_IU_TYPE_SATA_REQ;
812 aac->hba_map[bus][cid].reset_state = 0;
813 }
814 cmd->SCp.sent_command = 0;
815
816 status = aac_hba_send(command, fib,
817 (fib_callback) aac_hba_callback,
818 (void *) cmd);
819
820 /* Wait up to 2 minutes for completion */
821 for (count = 0; count < 120; ++count) {
822 if (cmd->SCp.sent_command) {
823 ret = SUCCESS;
824 break;
825 }
826 msleep(1000);
827 }
828
829 if (ret != SUCCESS)
830 pr_err("%s: Host adapter reset request timed out\n",
831 AAC_DRIVERNAME);
832 } else {
833 struct scsi_cmnd *command;
834 unsigned long flags;
835
836 /* Mark the assoc. FIB to not complete, eh handler does this */
837 for (count = 0;
838 count < (host->can_queue + AAC_NUM_MGT_FIB);
839 ++count) {
840 struct fib *fib = &aac->fibs[count];
841
842 if (fib->hw_fib_va->header.XferState &&
843 (fib->flags & FIB_CONTEXT_FLAG) &&
844 (fib->callback_data == cmd)) {
845 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
846 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
847 }
848 }
849
850 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
851 AAC_DRIVERNAME);
852
853 count = aac_check_health(aac);
854 if (count)
855 return count;
856 /*
857 * Wait for all commands to complete to this specific
858 * target (block maximum 60 seconds).
859 */
860 for (count = 60; count; --count) {
861 int active = aac->in_reset;
862
863 if (active == 0)
864 __shost_for_each_device(dev, host) {
865 spin_lock_irqsave(&dev->list_lock, flags);
866 list_for_each_entry(command, &dev->cmd_list,
867 list) {
868 if ((command != cmd) &&
869 (command->SCp.phase ==
870 AAC_OWNER_FIRMWARE)) {
871 active++;
872 break;
873 }
874 }
875 spin_unlock_irqrestore(&dev->list_lock, flags);
876 if (active)
877 break;
878
879 }
880 /*
881 * We can exit If all the commands are complete
882 */
883 if (active == 0)
884 return SUCCESS;
885 ssleep(1);
886 }
887 pr_err("%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
888
889 /*
890 * This adapter needs a blind reset, only do so for
891 * Adapters that support a register, instead of a commanded,
892 * reset.
893 */
894 if (((aac->supplement_adapter_info.SupportedOptions2 &
895 AAC_OPTION_MU_RESET) ||
896 (aac->supplement_adapter_info.SupportedOptions2 &
897 AAC_OPTION_DOORBELL_RESET)) &&
898 aac_check_reset &&
899 ((aac_check_reset != 1) ||
900 !(aac->supplement_adapter_info.SupportedOptions2 &
901 AAC_OPTION_IGNORE_RESET))) {
902 /* Bypass wait for command quiesce */
903 aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET);
904 }
905 ret = SUCCESS;
906 }
907 /*
908 * Cause an immediate retry of the command with a ten second delay
909 * after successful tur
910 */
911 return ret;
912 }
913
914 /**
915 * aac_cfg_open - open a configuration file
916 * @inode: inode being opened
917 * @file: file handle attached
918 *
919 * Called when the configuration device is opened. Does the needed
920 * set up on the handle and then returns
921 *
922 * Bugs: This needs extending to check a given adapter is present
923 * so we can support hot plugging, and to ref count adapters.
924 */
925
926 static int aac_cfg_open(struct inode *inode, struct file *file)
927 {
928 struct aac_dev *aac;
929 unsigned minor_number = iminor(inode);
930 int err = -ENODEV;
931
932 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
933 list_for_each_entry(aac, &aac_devices, entry) {
934 if (aac->id == minor_number) {
935 file->private_data = aac;
936 err = 0;
937 break;
938 }
939 }
940 mutex_unlock(&aac_mutex);
941
942 return err;
943 }
944
945 /**
946 * aac_cfg_ioctl - AAC configuration request
947 * @inode: inode of device
948 * @file: file handle
949 * @cmd: ioctl command code
950 * @arg: argument
951 *
952 * Handles a configuration ioctl. Currently this involves wrapping it
953 * up and feeding it into the nasty windowsalike glue layer.
954 *
955 * Bugs: Needs locking against parallel ioctls lower down
956 * Bugs: Needs to handle hot plugging
957 */
958
959 static long aac_cfg_ioctl(struct file *file,
960 unsigned int cmd, unsigned long arg)
961 {
962 struct aac_dev *aac = (struct aac_dev *)file->private_data;
963
964 if (!capable(CAP_SYS_RAWIO))
965 return -EPERM;
966
967 return aac_do_ioctl(aac, cmd, (void __user *)arg);
968 }
969
970 #ifdef CONFIG_COMPAT
971 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
972 {
973 long ret;
974 switch (cmd) {
975 case FSACTL_MINIPORT_REV_CHECK:
976 case FSACTL_SENDFIB:
977 case FSACTL_OPEN_GET_ADAPTER_FIB:
978 case FSACTL_CLOSE_GET_ADAPTER_FIB:
979 case FSACTL_SEND_RAW_SRB:
980 case FSACTL_GET_PCI_INFO:
981 case FSACTL_QUERY_DISK:
982 case FSACTL_DELETE_DISK:
983 case FSACTL_FORCE_DELETE_DISK:
984 case FSACTL_GET_CONTAINERS:
985 case FSACTL_SEND_LARGE_FIB:
986 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
987 break;
988
989 case FSACTL_GET_NEXT_ADAPTER_FIB: {
990 struct fib_ioctl __user *f;
991
992 f = compat_alloc_user_space(sizeof(*f));
993 ret = 0;
994 if (clear_user(f, sizeof(*f)))
995 ret = -EFAULT;
996 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
997 ret = -EFAULT;
998 if (!ret)
999 ret = aac_do_ioctl(dev, cmd, f);
1000 break;
1001 }
1002
1003 default:
1004 ret = -ENOIOCTLCMD;
1005 break;
1006 }
1007 return ret;
1008 }
1009
1010 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1011 {
1012 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1013 if (!capable(CAP_SYS_RAWIO))
1014 return -EPERM;
1015 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1016 }
1017
1018 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1019 {
1020 if (!capable(CAP_SYS_RAWIO))
1021 return -EPERM;
1022 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1023 }
1024 #endif
1025
1026 static ssize_t aac_show_model(struct device *device,
1027 struct device_attribute *attr, char *buf)
1028 {
1029 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1030 int len;
1031
1032 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
1033 char * cp = dev->supplement_adapter_info.AdapterTypeText;
1034 while (*cp && *cp != ' ')
1035 ++cp;
1036 while (*cp == ' ')
1037 ++cp;
1038 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1039 } else
1040 len = snprintf(buf, PAGE_SIZE, "%s\n",
1041 aac_drivers[dev->cardtype].model);
1042 return len;
1043 }
1044
1045 static ssize_t aac_show_vendor(struct device *device,
1046 struct device_attribute *attr, char *buf)
1047 {
1048 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1049 int len;
1050
1051 if (dev->supplement_adapter_info.AdapterTypeText[0]) {
1052 char * cp = dev->supplement_adapter_info.AdapterTypeText;
1053 while (*cp && *cp != ' ')
1054 ++cp;
1055 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1056 (int)(cp - (char *)dev->supplement_adapter_info.AdapterTypeText),
1057 dev->supplement_adapter_info.AdapterTypeText);
1058 } else
1059 len = snprintf(buf, PAGE_SIZE, "%s\n",
1060 aac_drivers[dev->cardtype].vname);
1061 return len;
1062 }
1063
1064 static ssize_t aac_show_flags(struct device *cdev,
1065 struct device_attribute *attr, char *buf)
1066 {
1067 int len = 0;
1068 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1069
1070 if (nblank(dprintk(x)))
1071 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1072 #ifdef AAC_DETAILED_STATUS_INFO
1073 len += snprintf(buf + len, PAGE_SIZE - len,
1074 "AAC_DETAILED_STATUS_INFO\n");
1075 #endif
1076 if (dev->raw_io_interface && dev->raw_io_64)
1077 len += snprintf(buf + len, PAGE_SIZE - len,
1078 "SAI_READ_CAPACITY_16\n");
1079 if (dev->jbod)
1080 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1081 if (dev->supplement_adapter_info.SupportedOptions2 &
1082 AAC_OPTION_POWER_MANAGEMENT)
1083 len += snprintf(buf + len, PAGE_SIZE - len,
1084 "SUPPORTED_POWER_MANAGEMENT\n");
1085 if (dev->msi)
1086 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1087 return len;
1088 }
1089
1090 static ssize_t aac_show_kernel_version(struct device *device,
1091 struct device_attribute *attr,
1092 char *buf)
1093 {
1094 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1095 int len, tmp;
1096
1097 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1098 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1099 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1100 le32_to_cpu(dev->adapter_info.kernelbuild));
1101 return len;
1102 }
1103
1104 static ssize_t aac_show_monitor_version(struct device *device,
1105 struct device_attribute *attr,
1106 char *buf)
1107 {
1108 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1109 int len, tmp;
1110
1111 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1112 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1113 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1114 le32_to_cpu(dev->adapter_info.monitorbuild));
1115 return len;
1116 }
1117
1118 static ssize_t aac_show_bios_version(struct device *device,
1119 struct device_attribute *attr,
1120 char *buf)
1121 {
1122 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1123 int len, tmp;
1124
1125 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1126 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1127 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1128 le32_to_cpu(dev->adapter_info.biosbuild));
1129 return len;
1130 }
1131
1132 static ssize_t aac_show_serial_number(struct device *device,
1133 struct device_attribute *attr, char *buf)
1134 {
1135 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1136 int len = 0;
1137
1138 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1139 len = snprintf(buf, 16, "%06X\n",
1140 le32_to_cpu(dev->adapter_info.serial[0]));
1141 if (len &&
1142 !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
1143 sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)-len],
1144 buf, len-1))
1145 len = snprintf(buf, 16, "%.*s\n",
1146 (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
1147 dev->supplement_adapter_info.MfgPcbaSerialNo);
1148
1149 return min(len, 16);
1150 }
1151
1152 static ssize_t aac_show_max_channel(struct device *device,
1153 struct device_attribute *attr, char *buf)
1154 {
1155 return snprintf(buf, PAGE_SIZE, "%d\n",
1156 class_to_shost(device)->max_channel);
1157 }
1158
1159 static ssize_t aac_show_max_id(struct device *device,
1160 struct device_attribute *attr, char *buf)
1161 {
1162 return snprintf(buf, PAGE_SIZE, "%d\n",
1163 class_to_shost(device)->max_id);
1164 }
1165
1166 static ssize_t aac_store_reset_adapter(struct device *device,
1167 struct device_attribute *attr,
1168 const char *buf, size_t count)
1169 {
1170 int retval = -EACCES;
1171 int bled = 0;
1172 struct aac_dev *aac;
1173
1174
1175 if (!capable(CAP_SYS_ADMIN))
1176 return retval;
1177
1178 aac = (struct aac_dev *)class_to_shost(device)->hostdata;
1179 bled = buf[0] == '!' ? 1:0;
1180 retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET);
1181 if (retval >= 0)
1182 retval = count;
1183 return retval;
1184 }
1185
1186 static ssize_t aac_show_reset_adapter(struct device *device,
1187 struct device_attribute *attr,
1188 char *buf)
1189 {
1190 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1191 int len, tmp;
1192
1193 tmp = aac_adapter_check_health(dev);
1194 if ((tmp == 0) && dev->in_reset)
1195 tmp = -EBUSY;
1196 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1197 return len;
1198 }
1199
1200 static struct device_attribute aac_model = {
1201 .attr = {
1202 .name = "model",
1203 .mode = S_IRUGO,
1204 },
1205 .show = aac_show_model,
1206 };
1207 static struct device_attribute aac_vendor = {
1208 .attr = {
1209 .name = "vendor",
1210 .mode = S_IRUGO,
1211 },
1212 .show = aac_show_vendor,
1213 };
1214 static struct device_attribute aac_flags = {
1215 .attr = {
1216 .name = "flags",
1217 .mode = S_IRUGO,
1218 },
1219 .show = aac_show_flags,
1220 };
1221 static struct device_attribute aac_kernel_version = {
1222 .attr = {
1223 .name = "hba_kernel_version",
1224 .mode = S_IRUGO,
1225 },
1226 .show = aac_show_kernel_version,
1227 };
1228 static struct device_attribute aac_monitor_version = {
1229 .attr = {
1230 .name = "hba_monitor_version",
1231 .mode = S_IRUGO,
1232 },
1233 .show = aac_show_monitor_version,
1234 };
1235 static struct device_attribute aac_bios_version = {
1236 .attr = {
1237 .name = "hba_bios_version",
1238 .mode = S_IRUGO,
1239 },
1240 .show = aac_show_bios_version,
1241 };
1242 static struct device_attribute aac_serial_number = {
1243 .attr = {
1244 .name = "serial_number",
1245 .mode = S_IRUGO,
1246 },
1247 .show = aac_show_serial_number,
1248 };
1249 static struct device_attribute aac_max_channel = {
1250 .attr = {
1251 .name = "max_channel",
1252 .mode = S_IRUGO,
1253 },
1254 .show = aac_show_max_channel,
1255 };
1256 static struct device_attribute aac_max_id = {
1257 .attr = {
1258 .name = "max_id",
1259 .mode = S_IRUGO,
1260 },
1261 .show = aac_show_max_id,
1262 };
1263 static struct device_attribute aac_reset = {
1264 .attr = {
1265 .name = "reset_host",
1266 .mode = S_IWUSR|S_IRUGO,
1267 },
1268 .store = aac_store_reset_adapter,
1269 .show = aac_show_reset_adapter,
1270 };
1271
1272 static struct device_attribute *aac_attrs[] = {
1273 &aac_model,
1274 &aac_vendor,
1275 &aac_flags,
1276 &aac_kernel_version,
1277 &aac_monitor_version,
1278 &aac_bios_version,
1279 &aac_serial_number,
1280 &aac_max_channel,
1281 &aac_max_id,
1282 &aac_reset,
1283 NULL
1284 };
1285
1286 ssize_t aac_get_serial_number(struct device *device, char *buf)
1287 {
1288 return aac_show_serial_number(device, &aac_serial_number, buf);
1289 }
1290
1291 static const struct file_operations aac_cfg_fops = {
1292 .owner = THIS_MODULE,
1293 .unlocked_ioctl = aac_cfg_ioctl,
1294 #ifdef CONFIG_COMPAT
1295 .compat_ioctl = aac_compat_cfg_ioctl,
1296 #endif
1297 .open = aac_cfg_open,
1298 .llseek = noop_llseek,
1299 };
1300
1301 static struct scsi_host_template aac_driver_template = {
1302 .module = THIS_MODULE,
1303 .name = "AAC",
1304 .proc_name = AAC_DRIVERNAME,
1305 .info = aac_info,
1306 .ioctl = aac_ioctl,
1307 #ifdef CONFIG_COMPAT
1308 .compat_ioctl = aac_compat_ioctl,
1309 #endif
1310 .queuecommand = aac_queuecommand,
1311 .bios_param = aac_biosparm,
1312 .shost_attrs = aac_attrs,
1313 .slave_configure = aac_slave_configure,
1314 .change_queue_depth = aac_change_queue_depth,
1315 .sdev_attrs = aac_dev_attrs,
1316 .eh_abort_handler = aac_eh_abort,
1317 .eh_host_reset_handler = aac_eh_reset,
1318 .can_queue = AAC_NUM_IO_FIB,
1319 .this_id = MAXIMUM_NUM_CONTAINERS,
1320 .sg_tablesize = 16,
1321 .max_sectors = 128,
1322 #if (AAC_NUM_IO_FIB > 256)
1323 .cmd_per_lun = 256,
1324 #else
1325 .cmd_per_lun = AAC_NUM_IO_FIB,
1326 #endif
1327 .use_clustering = ENABLE_CLUSTERING,
1328 .emulated = 1,
1329 .no_write_same = 1,
1330 };
1331
1332 static void __aac_shutdown(struct aac_dev * aac)
1333 {
1334 int i;
1335
1336 aac->adapter_shutdown = 1;
1337 aac_send_shutdown(aac);
1338
1339 if (aac->aif_thread) {
1340 int i;
1341 /* Clear out events first */
1342 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1343 struct fib *fib = &aac->fibs[i];
1344 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1345 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1346 up(&fib->event_wait);
1347 }
1348 kthread_stop(aac->thread);
1349 }
1350 aac_adapter_disable_int(aac);
1351 if (aac->pdev->device == PMC_DEVICE_S6 ||
1352 aac->pdev->device == PMC_DEVICE_S7 ||
1353 aac->pdev->device == PMC_DEVICE_S8 ||
1354 aac->pdev->device == PMC_DEVICE_S9) {
1355 if (aac->max_msix > 1) {
1356 for (i = 0; i < aac->max_msix; i++) {
1357 free_irq(pci_irq_vector(aac->pdev, i),
1358 &(aac->aac_msix[i]));
1359 }
1360 } else {
1361 free_irq(aac->pdev->irq,
1362 &(aac->aac_msix[0]));
1363 }
1364 } else {
1365 free_irq(aac->pdev->irq, aac);
1366 }
1367 if (aac->msi)
1368 pci_disable_msi(aac->pdev);
1369 else if (aac->max_msix > 1)
1370 pci_disable_msix(aac->pdev);
1371 }
1372 static void aac_init_char(void)
1373 {
1374 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1375 if (aac_cfg_major < 0) {
1376 pr_err("aacraid: unable to register \"aac\" device.\n");
1377 }
1378 }
1379
1380 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1381 {
1382 unsigned index = id->driver_data;
1383 struct Scsi_Host *shost;
1384 struct aac_dev *aac;
1385 struct list_head *insert = &aac_devices;
1386 int error = -ENODEV;
1387 int unique_id = 0;
1388 u64 dmamask;
1389 extern int aac_sync_mode;
1390
1391 /*
1392 * Only series 7 needs freset.
1393 */
1394 if (pdev->device == PMC_DEVICE_S7)
1395 pdev->needs_freset = 1;
1396
1397 list_for_each_entry(aac, &aac_devices, entry) {
1398 if (aac->id > unique_id)
1399 break;
1400 insert = &aac->entry;
1401 unique_id++;
1402 }
1403
1404 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1405 PCIE_LINK_STATE_CLKPM);
1406
1407 error = pci_enable_device(pdev);
1408 if (error)
1409 goto out;
1410 error = -ENODEV;
1411
1412 /*
1413 * If the quirk31 bit is set, the adapter needs adapter
1414 * to driver communication memory to be allocated below 2gig
1415 */
1416 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1417 dmamask = DMA_BIT_MASK(31);
1418 else
1419 dmamask = DMA_BIT_MASK(32);
1420
1421 if (pci_set_dma_mask(pdev, dmamask) ||
1422 pci_set_consistent_dma_mask(pdev, dmamask))
1423 goto out_disable_pdev;
1424
1425 pci_set_master(pdev);
1426
1427 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1428 if (!shost)
1429 goto out_disable_pdev;
1430
1431 shost->irq = pdev->irq;
1432 shost->unique_id = unique_id;
1433 shost->max_cmd_len = 16;
1434 shost->use_cmd_list = 1;
1435
1436 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1437 aac_init_char();
1438
1439 aac = (struct aac_dev *)shost->hostdata;
1440 aac->base_start = pci_resource_start(pdev, 0);
1441 aac->scsi_host_ptr = shost;
1442 aac->pdev = pdev;
1443 aac->name = aac_driver_template.name;
1444 aac->id = shost->unique_id;
1445 aac->cardtype = index;
1446 INIT_LIST_HEAD(&aac->entry);
1447
1448 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1449 if (!aac->fibs)
1450 goto out_free_host;
1451 spin_lock_init(&aac->fib_lock);
1452
1453 mutex_init(&aac->ioctl_mutex);
1454 /*
1455 * Map in the registers from the adapter.
1456 */
1457 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1458 if ((*aac_drivers[index].init)(aac))
1459 goto out_unmap;
1460
1461 if (aac->sync_mode) {
1462 if (aac_sync_mode)
1463 printk(KERN_INFO "%s%d: Sync. mode enforced "
1464 "by driver parameter. This will cause "
1465 "a significant performance decrease!\n",
1466 aac->name,
1467 aac->id);
1468 else
1469 printk(KERN_INFO "%s%d: Async. mode not supported "
1470 "by current driver, sync. mode enforced."
1471 "\nPlease update driver to get full performance.\n",
1472 aac->name,
1473 aac->id);
1474 }
1475
1476 /*
1477 * Start any kernel threads needed
1478 */
1479 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1480 if (IS_ERR(aac->thread)) {
1481 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1482 error = PTR_ERR(aac->thread);
1483 aac->thread = NULL;
1484 goto out_deinit;
1485 }
1486
1487 /*
1488 * If we had set a smaller DMA mask earlier, set it to 4gig
1489 * now since the adapter can dma data to at least a 4gig
1490 * address space.
1491 */
1492 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT)
1493 if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
1494 goto out_deinit;
1495
1496 aac->maximum_num_channels = aac_drivers[index].channels;
1497 error = aac_get_adapter_info(aac);
1498 if (error < 0)
1499 goto out_deinit;
1500
1501 /*
1502 * Lets override negotiations and drop the maximum SG limit to 34
1503 */
1504 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1505 (shost->sg_tablesize > 34)) {
1506 shost->sg_tablesize = 34;
1507 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1508 }
1509
1510 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1511 (shost->sg_tablesize > 17)) {
1512 shost->sg_tablesize = 17;
1513 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1514 }
1515
1516 error = pci_set_dma_max_seg_size(pdev,
1517 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1518 (shost->max_sectors << 9) : 65536);
1519 if (error)
1520 goto out_deinit;
1521
1522 /*
1523 * Firmware printf works only with older firmware.
1524 */
1525 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1526 aac->printf_enabled = 1;
1527 else
1528 aac->printf_enabled = 0;
1529
1530 /*
1531 * max channel will be the physical channels plus 1 virtual channel
1532 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1533 * physical channels are address by their actual physical number+1
1534 */
1535 if (aac->nondasd_support || expose_physicals || aac->jbod)
1536 shost->max_channel = aac->maximum_num_channels;
1537 else
1538 shost->max_channel = 0;
1539
1540 aac_get_config_status(aac, 0);
1541 aac_get_containers(aac);
1542 list_add(&aac->entry, insert);
1543
1544 shost->max_id = aac->maximum_num_containers;
1545 if (shost->max_id < aac->maximum_num_physicals)
1546 shost->max_id = aac->maximum_num_physicals;
1547 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1548 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1549 else
1550 shost->this_id = shost->max_id;
1551
1552 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1553 aac_intr_normal(aac, 0, 2, 0, NULL);
1554
1555 /*
1556 * dmb - we may need to move the setting of these parms somewhere else once
1557 * we get a fib that can report the actual numbers
1558 */
1559 shost->max_lun = AAC_MAX_LUN;
1560
1561 pci_set_drvdata(pdev, shost);
1562
1563 error = scsi_add_host(shost, &pdev->dev);
1564 if (error)
1565 goto out_deinit;
1566 scsi_scan_host(shost);
1567
1568 pci_enable_pcie_error_reporting(pdev);
1569 pci_save_state(pdev);
1570
1571 return 0;
1572
1573 out_deinit:
1574 __aac_shutdown(aac);
1575 out_unmap:
1576 aac_fib_map_free(aac);
1577 if (aac->comm_addr)
1578 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1579 aac->comm_phys);
1580 kfree(aac->queues);
1581 aac_adapter_ioremap(aac, 0);
1582 kfree(aac->fibs);
1583 kfree(aac->fsa_dev);
1584 out_free_host:
1585 scsi_host_put(shost);
1586 out_disable_pdev:
1587 pci_disable_device(pdev);
1588 out:
1589 return error;
1590 }
1591
1592 static void aac_release_resources(struct aac_dev *aac)
1593 {
1594 aac_adapter_disable_int(aac);
1595 aac_free_irq(aac);
1596 }
1597
1598 static int aac_acquire_resources(struct aac_dev *dev)
1599 {
1600 unsigned long status;
1601 /*
1602 * First clear out all interrupts. Then enable the one's that we
1603 * can handle.
1604 */
1605 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1606 || status == 0xffffffff)
1607 msleep(20);
1608
1609 aac_adapter_disable_int(dev);
1610 aac_adapter_enable_int(dev);
1611
1612
1613 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1614 dev->pdev->device == PMC_DEVICE_S8 ||
1615 dev->pdev->device == PMC_DEVICE_S9))
1616 aac_define_int_mode(dev);
1617
1618 if (dev->msi_enabled)
1619 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1620
1621 if (aac_acquire_irq(dev))
1622 goto error_iounmap;
1623
1624 aac_adapter_enable_int(dev);
1625
1626 /*max msix may change after EEH
1627 * Re-assign vectors to fibs
1628 */
1629 aac_fib_vector_assign(dev);
1630
1631 if (!dev->sync_mode) {
1632 /* After EEH recovery or suspend resume, max_msix count
1633 * may change, therfore updating in init as well.
1634 */
1635 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1636 aac_adapter_start(dev);
1637 }
1638 return 0;
1639
1640 error_iounmap:
1641 return -1;
1642
1643 }
1644
1645 #if (defined(CONFIG_PM))
1646 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1647 {
1648
1649 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1650 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1651
1652 scsi_block_requests(shost);
1653 aac_send_shutdown(aac);
1654
1655 aac_release_resources(aac);
1656
1657 pci_set_drvdata(pdev, shost);
1658 pci_save_state(pdev);
1659 pci_disable_device(pdev);
1660 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1661
1662 return 0;
1663 }
1664
1665 static int aac_resume(struct pci_dev *pdev)
1666 {
1667 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1668 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1669 int r;
1670
1671 pci_set_power_state(pdev, PCI_D0);
1672 pci_enable_wake(pdev, PCI_D0, 0);
1673 pci_restore_state(pdev);
1674 r = pci_enable_device(pdev);
1675
1676 if (r)
1677 goto fail_device;
1678
1679 pci_set_master(pdev);
1680 if (aac_acquire_resources(aac))
1681 goto fail_device;
1682 /*
1683 * reset this flag to unblock ioctl() as it was set at
1684 * aac_send_shutdown() to block ioctls from upperlayer
1685 */
1686 aac->adapter_shutdown = 0;
1687 scsi_unblock_requests(shost);
1688
1689 return 0;
1690
1691 fail_device:
1692 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1693 scsi_host_put(shost);
1694 pci_disable_device(pdev);
1695 return -ENODEV;
1696 }
1697 #endif
1698
1699 static void aac_shutdown(struct pci_dev *dev)
1700 {
1701 struct Scsi_Host *shost = pci_get_drvdata(dev);
1702 scsi_block_requests(shost);
1703 __aac_shutdown((struct aac_dev *)shost->hostdata);
1704 }
1705
1706 static void aac_remove_one(struct pci_dev *pdev)
1707 {
1708 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1709 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1710
1711 scsi_remove_host(shost);
1712
1713 __aac_shutdown(aac);
1714 aac_fib_map_free(aac);
1715 pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
1716 aac->comm_phys);
1717 kfree(aac->queues);
1718
1719 aac_adapter_ioremap(aac, 0);
1720
1721 kfree(aac->fibs);
1722 kfree(aac->fsa_dev);
1723
1724 list_del(&aac->entry);
1725 scsi_host_put(shost);
1726 pci_disable_device(pdev);
1727 if (list_empty(&aac_devices)) {
1728 unregister_chrdev(aac_cfg_major, "aac");
1729 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1730 }
1731 }
1732
1733 static void aac_flush_ios(struct aac_dev *aac)
1734 {
1735 int i;
1736 struct scsi_cmnd *cmd;
1737
1738 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1739 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1740 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1741 scsi_dma_unmap(cmd);
1742
1743 if (aac->handle_pci_error)
1744 cmd->result = DID_NO_CONNECT << 16;
1745 else
1746 cmd->result = DID_RESET << 16;
1747
1748 cmd->scsi_done(cmd);
1749 }
1750 }
1751 }
1752
1753 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1754 enum pci_channel_state error)
1755 {
1756 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1757 struct aac_dev *aac = shost_priv(shost);
1758
1759 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1760
1761 switch (error) {
1762 case pci_channel_io_normal:
1763 return PCI_ERS_RESULT_CAN_RECOVER;
1764 case pci_channel_io_frozen:
1765 aac->handle_pci_error = 1;
1766
1767 scsi_block_requests(aac->scsi_host_ptr);
1768 aac_flush_ios(aac);
1769 aac_release_resources(aac);
1770
1771 pci_disable_pcie_error_reporting(pdev);
1772 aac_adapter_ioremap(aac, 0);
1773
1774 return PCI_ERS_RESULT_NEED_RESET;
1775 case pci_channel_io_perm_failure:
1776 aac->handle_pci_error = 1;
1777
1778 aac_flush_ios(aac);
1779 return PCI_ERS_RESULT_DISCONNECT;
1780 }
1781
1782 return PCI_ERS_RESULT_NEED_RESET;
1783 }
1784
1785 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1786 {
1787 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1788 return PCI_ERS_RESULT_NEED_RESET;
1789 }
1790
1791 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1792 {
1793 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1794 pci_restore_state(pdev);
1795 if (pci_enable_device(pdev)) {
1796 dev_warn(&pdev->dev,
1797 "aacraid: failed to enable slave\n");
1798 goto fail_device;
1799 }
1800
1801 pci_set_master(pdev);
1802
1803 if (pci_enable_device_mem(pdev)) {
1804 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1805 goto fail_device;
1806 }
1807
1808 return PCI_ERS_RESULT_RECOVERED;
1809
1810 fail_device:
1811 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1812 return PCI_ERS_RESULT_DISCONNECT;
1813 }
1814
1815
1816 static void aac_pci_resume(struct pci_dev *pdev)
1817 {
1818 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1819 struct scsi_device *sdev = NULL;
1820 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1821
1822 pci_cleanup_aer_uncorrect_error_status(pdev);
1823
1824 if (aac_adapter_ioremap(aac, aac->base_size)) {
1825
1826 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1827 /* remap failed, go back ... */
1828 aac->comm_interface = AAC_COMM_PRODUCER;
1829 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1830 dev_warn(&pdev->dev,
1831 "aacraid: unable to map adapter.\n");
1832
1833 return;
1834 }
1835 }
1836
1837 msleep(10000);
1838
1839 aac_acquire_resources(aac);
1840
1841 /*
1842 * reset this flag to unblock ioctl() as it was set
1843 * at aac_send_shutdown() to block ioctls from upperlayer
1844 */
1845 aac->adapter_shutdown = 0;
1846 aac->handle_pci_error = 0;
1847
1848 shost_for_each_device(sdev, shost)
1849 if (sdev->sdev_state == SDEV_OFFLINE)
1850 sdev->sdev_state = SDEV_RUNNING;
1851 scsi_unblock_requests(aac->scsi_host_ptr);
1852 scsi_scan_host(aac->scsi_host_ptr);
1853 pci_save_state(pdev);
1854
1855 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1856 }
1857
1858 static struct pci_error_handlers aac_pci_err_handler = {
1859 .error_detected = aac_pci_error_detected,
1860 .mmio_enabled = aac_pci_mmio_enabled,
1861 .slot_reset = aac_pci_slot_reset,
1862 .resume = aac_pci_resume,
1863 };
1864
1865 static struct pci_driver aac_pci_driver = {
1866 .name = AAC_DRIVERNAME,
1867 .id_table = aac_pci_tbl,
1868 .probe = aac_probe_one,
1869 .remove = aac_remove_one,
1870 #if (defined(CONFIG_PM))
1871 .suspend = aac_suspend,
1872 .resume = aac_resume,
1873 #endif
1874 .shutdown = aac_shutdown,
1875 .err_handler = &aac_pci_err_handler,
1876 };
1877
1878 static int __init aac_init(void)
1879 {
1880 int error;
1881
1882 printk(KERN_INFO "Adaptec %s driver %s\n",
1883 AAC_DRIVERNAME, aac_driver_version);
1884
1885 error = pci_register_driver(&aac_pci_driver);
1886 if (error < 0)
1887 return error;
1888
1889 aac_init_char();
1890
1891
1892 return 0;
1893 }
1894
1895 static void __exit aac_exit(void)
1896 {
1897 if (aac_cfg_major > -1)
1898 unregister_chrdev(aac_cfg_major, "aac");
1899 pci_unregister_driver(&aac_pci_driver);
1900 }
1901
1902 module_init(aac_init);
1903 module_exit(aac_exit);
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