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scsi: aacraid: Added 32 and 64 queue depth for arc natives
[mirror_ubuntu-zesty-kernel.git] / drivers / scsi / aacraid / linit.c
1 /*
2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
4 *
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
7 *
8 * Copyright (c) 2000-2010 Adaptec, Inc.
9 * 2010-2015 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 if (sdev_channel(sdev) != NATIVE_CHANNEL)
471 goto common_config;
472
473 /*
474 * Check if SATA drive
475 */
476 if (strncmp(sdev->vendor, "ATA", 3) == 0)
477 depth = 32;
478 else
479 depth = 64;
480 }
481
482 common_config:
483 /*
484 * Firmware has an individual device recovery time typically
485 * of 35 seconds, give us a margin.
486 */
487 if (set_timeout && sdev->request_queue->rq_timeout < (45 * HZ))
488 blk_queue_rq_timeout(sdev->request_queue, 45*HZ);
489
490 if (depth > 256)
491 depth = 256;
492 else if (depth < 1)
493 depth = 1;
494
495 scsi_change_queue_depth(sdev, depth);
496
497 sdev->tagged_supported = 1;
498
499 return 0;
500 }
501
502 /**
503 * aac_change_queue_depth - alter queue depths
504 * @sdev: SCSI device we are considering
505 * @depth: desired queue depth
506 *
507 * Alters queue depths for target device based on the host adapter's
508 * total capacity and the queue depth supported by the target device.
509 */
510
511 static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
512 {
513 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
514 int chn, tid, is_native_device = 0;
515
516 chn = aac_logical_to_phys(sdev_channel(sdev));
517 tid = sdev_id(sdev);
518 if (chn < AAC_MAX_BUSES && tid < AAC_MAX_TARGETS &&
519 aac->hba_map[chn][tid].devtype == AAC_DEVTYPE_NATIVE_RAW)
520 is_native_device = 1;
521
522 if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
523 (sdev_channel(sdev) == CONTAINER_CHANNEL)) {
524 struct scsi_device * dev;
525 struct Scsi_Host *host = sdev->host;
526 unsigned num = 0;
527
528 __shost_for_each_device(dev, host) {
529 if (dev->tagged_supported && (dev->type == TYPE_DISK) &&
530 (sdev_channel(dev) == CONTAINER_CHANNEL))
531 ++num;
532 ++num;
533 }
534 if (num >= host->can_queue)
535 num = host->can_queue - 1;
536 if (depth > (host->can_queue - num))
537 depth = host->can_queue - num;
538 if (depth > 256)
539 depth = 256;
540 else if (depth < 2)
541 depth = 2;
542 return scsi_change_queue_depth(sdev, depth);
543 } else if (is_native_device) {
544 scsi_change_queue_depth(sdev, aac->hba_map[chn][tid].qd_limit);
545 } else {
546 scsi_change_queue_depth(sdev, 1);
547 }
548 return sdev->queue_depth;
549 }
550
551 static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
552 {
553 struct scsi_device *sdev = to_scsi_device(dev);
554 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
555 if (sdev_channel(sdev) != CONTAINER_CHANNEL)
556 return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
557 ? "Hidden\n" :
558 ((aac->jbod && (sdev->type == TYPE_DISK)) ? "JBOD\n" : ""));
559 return snprintf(buf, PAGE_SIZE, "%s\n",
560 get_container_type(aac->fsa_dev[sdev_id(sdev)].type));
561 }
562
563 static struct device_attribute aac_raid_level_attr = {
564 .attr = {
565 .name = "level",
566 .mode = S_IRUGO,
567 },
568 .show = aac_show_raid_level
569 };
570
571 static ssize_t aac_show_unique_id(struct device *dev,
572 struct device_attribute *attr, char *buf)
573 {
574 struct scsi_device *sdev = to_scsi_device(dev);
575 struct aac_dev *aac = (struct aac_dev *)(sdev->host->hostdata);
576 unsigned char sn[16];
577
578 memset(sn, 0, sizeof(sn));
579
580 if (sdev_channel(sdev) == CONTAINER_CHANNEL)
581 memcpy(sn, aac->fsa_dev[sdev_id(sdev)].identifier, sizeof(sn));
582
583 return snprintf(buf, 16 * 2 + 2,
584 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
585 sn[0], sn[1], sn[2], sn[3],
586 sn[4], sn[5], sn[6], sn[7],
587 sn[8], sn[9], sn[10], sn[11],
588 sn[12], sn[13], sn[14], sn[15]);
589 }
590
591 static struct device_attribute aac_unique_id_attr = {
592 .attr = {
593 .name = "unique_id",
594 .mode = 0444,
595 },
596 .show = aac_show_unique_id
597 };
598
599
600
601 static struct device_attribute *aac_dev_attrs[] = {
602 &aac_raid_level_attr,
603 &aac_unique_id_attr,
604 NULL,
605 };
606
607 static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
608 {
609 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
610 if (!capable(CAP_SYS_RAWIO))
611 return -EPERM;
612 return aac_do_ioctl(dev, cmd, arg);
613 }
614
615 static int aac_eh_abort(struct scsi_cmnd* cmd)
616 {
617 struct scsi_device * dev = cmd->device;
618 struct Scsi_Host * host = dev->host;
619 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
620 int count, found;
621 u32 bus, cid;
622 int ret = FAILED;
623
624 bus = aac_logical_to_phys(scmd_channel(cmd));
625 cid = scmd_id(cmd);
626 if (aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
627 struct fib *fib;
628 struct aac_hba_tm_req *tmf;
629 int status;
630 u64 address;
631 __le32 managed_request_id;
632
633 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
634 AAC_DRIVERNAME,
635 host->host_no, sdev_channel(dev), sdev_id(dev), (int)dev->lun);
636
637 found = 0;
638 for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) {
639 fib = &aac->fibs[count];
640 if (*(u8 *)fib->hw_fib_va != 0 &&
641 (fib->flags & FIB_CONTEXT_FLAG_NATIVE_HBA) &&
642 (fib->callback_data == cmd)) {
643 found = 1;
644 managed_request_id = ((struct aac_hba_cmd_req *)
645 fib->hw_fib_va)->request_id;
646 break;
647 }
648 }
649 if (!found)
650 return ret;
651
652 /* start a HBA_TMF_ABORT_TASK TMF request */
653 fib = aac_fib_alloc(aac);
654 if (!fib)
655 return ret;
656
657 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
658 memset(tmf, 0, sizeof(*tmf));
659 tmf->tmf = HBA_TMF_ABORT_TASK;
660 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
661 tmf->lun[1] = cmd->device->lun;
662
663 address = (u64)fib->hw_error_pa;
664 tmf->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
665 tmf->error_ptr_lo = cpu_to_le32((u32)(address & 0xffffffff));
666 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
667
668 fib->hbacmd_size = sizeof(*tmf);
669 cmd->SCp.sent_command = 0;
670
671 status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
672 (fib_callback) aac_hba_callback,
673 (void *) cmd);
674
675 /* Wait up to 2 minutes for completion */
676 for (count = 0; count < 120; ++count) {
677 if (cmd->SCp.sent_command) {
678 ret = SUCCESS;
679 break;
680 }
681 msleep(1000);
682 }
683
684 if (ret != SUCCESS)
685 pr_err("%s: Host adapter abort request timed out\n",
686 AAC_DRIVERNAME);
687 } else {
688 pr_err(
689 "%s: Host adapter abort request.\n"
690 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
691 AAC_DRIVERNAME, AAC_DRIVERNAME,
692 host->host_no, sdev_channel(dev), sdev_id(dev),
693 (int)dev->lun);
694 switch (cmd->cmnd[0]) {
695 case SERVICE_ACTION_IN_16:
696 if (!(aac->raw_io_interface) ||
697 !(aac->raw_io_64) ||
698 ((cmd->cmnd[1] & 0x1f) != SAI_READ_CAPACITY_16))
699 break;
700 case INQUIRY:
701 case READ_CAPACITY:
702 /*
703 * Mark associated FIB to not complete,
704 * eh handler does this
705 */
706 for (count = 0;
707 count < (host->can_queue + AAC_NUM_MGT_FIB);
708 ++count) {
709 struct fib *fib = &aac->fibs[count];
710
711 if (fib->hw_fib_va->header.XferState &&
712 (fib->flags & FIB_CONTEXT_FLAG) &&
713 (fib->callback_data == cmd)) {
714 fib->flags |=
715 FIB_CONTEXT_FLAG_TIMED_OUT;
716 cmd->SCp.phase =
717 AAC_OWNER_ERROR_HANDLER;
718 ret = SUCCESS;
719 }
720 }
721 break;
722 case TEST_UNIT_READY:
723 /*
724 * Mark associated FIB to not complete,
725 * eh handler does this
726 */
727 for (count = 0;
728 count < (host->can_queue + AAC_NUM_MGT_FIB);
729 ++count) {
730 struct scsi_cmnd *command;
731 struct fib *fib = &aac->fibs[count];
732
733 command = fib->callback_data;
734
735 if ((fib->hw_fib_va->header.XferState &
736 cpu_to_le32
737 (Async | NoResponseExpected)) &&
738 (fib->flags & FIB_CONTEXT_FLAG) &&
739 ((command)) &&
740 (command->device == cmd->device)) {
741 fib->flags |=
742 FIB_CONTEXT_FLAG_TIMED_OUT;
743 command->SCp.phase =
744 AAC_OWNER_ERROR_HANDLER;
745 if (command == cmd)
746 ret = SUCCESS;
747 }
748 }
749 break;
750 }
751 }
752 return ret;
753 }
754
755 /*
756 * aac_eh_reset - Reset command handling
757 * @scsi_cmd: SCSI command block causing the reset
758 *
759 */
760 static int aac_eh_reset(struct scsi_cmnd* cmd)
761 {
762 struct scsi_device * dev = cmd->device;
763 struct Scsi_Host * host = dev->host;
764 struct aac_dev * aac = (struct aac_dev *)host->hostdata;
765 int count;
766 u32 bus, cid;
767 int ret = FAILED;
768
769 bus = aac_logical_to_phys(scmd_channel(cmd));
770 cid = scmd_id(cmd);
771 if (bus < AAC_MAX_BUSES && cid < AAC_MAX_TARGETS &&
772 aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
773 struct fib *fib;
774 int status;
775 u64 address;
776 u8 command;
777
778 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
779 AAC_DRIVERNAME);
780
781 fib = aac_fib_alloc(aac);
782 if (!fib)
783 return ret;
784
785
786 if (aac->hba_map[bus][cid].reset_state == 0) {
787 struct aac_hba_tm_req *tmf;
788
789 /* start a HBA_TMF_LUN_RESET TMF request */
790 tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
791 memset(tmf, 0, sizeof(*tmf));
792 tmf->tmf = HBA_TMF_LUN_RESET;
793 tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
794 tmf->lun[1] = cmd->device->lun;
795
796 address = (u64)fib->hw_error_pa;
797 tmf->error_ptr_hi = cpu_to_le32
798 ((u32)(address >> 32));
799 tmf->error_ptr_lo = cpu_to_le32
800 ((u32)(address & 0xffffffff));
801 tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
802 fib->hbacmd_size = sizeof(*tmf);
803
804 command = HBA_IU_TYPE_SCSI_TM_REQ;
805 aac->hba_map[bus][cid].reset_state++;
806 } else if (aac->hba_map[bus][cid].reset_state >= 1) {
807 struct aac_hba_reset_req *rst;
808
809 /* already tried, start a hard reset now */
810 rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
811 memset(rst, 0, sizeof(*rst));
812 /* reset_type is already zero... */
813 rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
814
815 address = (u64)fib->hw_error_pa;
816 rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
817 rst->error_ptr_lo = cpu_to_le32
818 ((u32)(address & 0xffffffff));
819 rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
820 fib->hbacmd_size = sizeof(*rst);
821
822 command = HBA_IU_TYPE_SATA_REQ;
823 aac->hba_map[bus][cid].reset_state = 0;
824 }
825 cmd->SCp.sent_command = 0;
826
827 status = aac_hba_send(command, fib,
828 (fib_callback) aac_hba_callback,
829 (void *) cmd);
830
831 /* Wait up to 2 minutes for completion */
832 for (count = 0; count < 120; ++count) {
833 if (cmd->SCp.sent_command) {
834 ret = SUCCESS;
835 break;
836 }
837 msleep(1000);
838 }
839
840 if (ret != SUCCESS)
841 pr_err("%s: Host adapter reset request timed out\n",
842 AAC_DRIVERNAME);
843 } else {
844 struct scsi_cmnd *command;
845 unsigned long flags;
846
847 /* Mark the assoc. FIB to not complete, eh handler does this */
848 for (count = 0;
849 count < (host->can_queue + AAC_NUM_MGT_FIB);
850 ++count) {
851 struct fib *fib = &aac->fibs[count];
852
853 if (fib->hw_fib_va->header.XferState &&
854 (fib->flags & FIB_CONTEXT_FLAG) &&
855 (fib->callback_data == cmd)) {
856 fib->flags |= FIB_CONTEXT_FLAG_TIMED_OUT;
857 cmd->SCp.phase = AAC_OWNER_ERROR_HANDLER;
858 }
859 }
860
861 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
862 AAC_DRIVERNAME);
863
864 count = aac_check_health(aac);
865 if (count)
866 return count;
867 /*
868 * Wait for all commands to complete to this specific
869 * target (block maximum 60 seconds).
870 */
871 for (count = 60; count; --count) {
872 int active = aac->in_reset;
873
874 if (active == 0)
875 __shost_for_each_device(dev, host) {
876 spin_lock_irqsave(&dev->list_lock, flags);
877 list_for_each_entry(command, &dev->cmd_list,
878 list) {
879 if ((command != cmd) &&
880 (command->SCp.phase ==
881 AAC_OWNER_FIRMWARE)) {
882 active++;
883 break;
884 }
885 }
886 spin_unlock_irqrestore(&dev->list_lock, flags);
887 if (active)
888 break;
889
890 }
891 /*
892 * We can exit If all the commands are complete
893 */
894 if (active == 0)
895 return SUCCESS;
896 ssleep(1);
897 }
898 pr_err("%s: SCSI bus appears hung\n", AAC_DRIVERNAME);
899
900 /*
901 * This adapter needs a blind reset, only do so for
902 * Adapters that support a register, instead of a commanded,
903 * reset.
904 */
905 if (((aac->supplement_adapter_info.supported_options2 &
906 AAC_OPTION_MU_RESET) ||
907 (aac->supplement_adapter_info.supported_options2 &
908 AAC_OPTION_DOORBELL_RESET)) &&
909 aac_check_reset &&
910 ((aac_check_reset != 1) ||
911 !(aac->supplement_adapter_info.supported_options2 &
912 AAC_OPTION_IGNORE_RESET))) {
913 /* Bypass wait for command quiesce */
914 aac_reset_adapter(aac, 2, IOP_HWSOFT_RESET);
915 }
916 ret = SUCCESS;
917 }
918 /*
919 * Cause an immediate retry of the command with a ten second delay
920 * after successful tur
921 */
922 return ret;
923 }
924
925 /**
926 * aac_cfg_open - open a configuration file
927 * @inode: inode being opened
928 * @file: file handle attached
929 *
930 * Called when the configuration device is opened. Does the needed
931 * set up on the handle and then returns
932 *
933 * Bugs: This needs extending to check a given adapter is present
934 * so we can support hot plugging, and to ref count adapters.
935 */
936
937 static int aac_cfg_open(struct inode *inode, struct file *file)
938 {
939 struct aac_dev *aac;
940 unsigned minor_number = iminor(inode);
941 int err = -ENODEV;
942
943 mutex_lock(&aac_mutex); /* BKL pushdown: nothing else protects this list */
944 list_for_each_entry(aac, &aac_devices, entry) {
945 if (aac->id == minor_number) {
946 file->private_data = aac;
947 err = 0;
948 break;
949 }
950 }
951 mutex_unlock(&aac_mutex);
952
953 return err;
954 }
955
956 /**
957 * aac_cfg_ioctl - AAC configuration request
958 * @inode: inode of device
959 * @file: file handle
960 * @cmd: ioctl command code
961 * @arg: argument
962 *
963 * Handles a configuration ioctl. Currently this involves wrapping it
964 * up and feeding it into the nasty windowsalike glue layer.
965 *
966 * Bugs: Needs locking against parallel ioctls lower down
967 * Bugs: Needs to handle hot plugging
968 */
969
970 static long aac_cfg_ioctl(struct file *file,
971 unsigned int cmd, unsigned long arg)
972 {
973 struct aac_dev *aac = (struct aac_dev *)file->private_data;
974
975 if (!capable(CAP_SYS_RAWIO))
976 return -EPERM;
977
978 return aac_do_ioctl(aac, cmd, (void __user *)arg);
979 }
980
981 #ifdef CONFIG_COMPAT
982 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
983 {
984 long ret;
985 switch (cmd) {
986 case FSACTL_MINIPORT_REV_CHECK:
987 case FSACTL_SENDFIB:
988 case FSACTL_OPEN_GET_ADAPTER_FIB:
989 case FSACTL_CLOSE_GET_ADAPTER_FIB:
990 case FSACTL_SEND_RAW_SRB:
991 case FSACTL_GET_PCI_INFO:
992 case FSACTL_QUERY_DISK:
993 case FSACTL_DELETE_DISK:
994 case FSACTL_FORCE_DELETE_DISK:
995 case FSACTL_GET_CONTAINERS:
996 case FSACTL_SEND_LARGE_FIB:
997 ret = aac_do_ioctl(dev, cmd, (void __user *)arg);
998 break;
999
1000 case FSACTL_GET_NEXT_ADAPTER_FIB: {
1001 struct fib_ioctl __user *f;
1002
1003 f = compat_alloc_user_space(sizeof(*f));
1004 ret = 0;
1005 if (clear_user(f, sizeof(*f)))
1006 ret = -EFAULT;
1007 if (copy_in_user(f, (void __user *)arg, sizeof(struct fib_ioctl) - sizeof(u32)))
1008 ret = -EFAULT;
1009 if (!ret)
1010 ret = aac_do_ioctl(dev, cmd, f);
1011 break;
1012 }
1013
1014 default:
1015 ret = -ENOIOCTLCMD;
1016 break;
1017 }
1018 return ret;
1019 }
1020
1021 static int aac_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
1022 {
1023 struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
1024 if (!capable(CAP_SYS_RAWIO))
1025 return -EPERM;
1026 return aac_compat_do_ioctl(dev, cmd, (unsigned long)arg);
1027 }
1028
1029 static long aac_compat_cfg_ioctl(struct file *file, unsigned cmd, unsigned long arg)
1030 {
1031 if (!capable(CAP_SYS_RAWIO))
1032 return -EPERM;
1033 return aac_compat_do_ioctl(file->private_data, cmd, arg);
1034 }
1035 #endif
1036
1037 static ssize_t aac_show_model(struct device *device,
1038 struct device_attribute *attr, char *buf)
1039 {
1040 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1041 int len;
1042
1043 if (dev->supplement_adapter_info.adapter_type_text[0]) {
1044 char *cp = dev->supplement_adapter_info.adapter_type_text;
1045 while (*cp && *cp != ' ')
1046 ++cp;
1047 while (*cp == ' ')
1048 ++cp;
1049 len = snprintf(buf, PAGE_SIZE, "%s\n", cp);
1050 } else
1051 len = snprintf(buf, PAGE_SIZE, "%s\n",
1052 aac_drivers[dev->cardtype].model);
1053 return len;
1054 }
1055
1056 static ssize_t aac_show_vendor(struct device *device,
1057 struct device_attribute *attr, char *buf)
1058 {
1059 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1060 struct aac_supplement_adapter_info *sup_adap_info;
1061 int len;
1062
1063 sup_adap_info = &dev->supplement_adapter_info;
1064 if (sup_adap_info->adapter_type_text[0]) {
1065 char *cp = sup_adap_info->adapter_type_text;
1066 while (*cp && *cp != ' ')
1067 ++cp;
1068 len = snprintf(buf, PAGE_SIZE, "%.*s\n",
1069 (int)(cp - (char *)sup_adap_info->adapter_type_text),
1070 sup_adap_info->adapter_type_text);
1071 } else
1072 len = snprintf(buf, PAGE_SIZE, "%s\n",
1073 aac_drivers[dev->cardtype].vname);
1074 return len;
1075 }
1076
1077 static ssize_t aac_show_flags(struct device *cdev,
1078 struct device_attribute *attr, char *buf)
1079 {
1080 int len = 0;
1081 struct aac_dev *dev = (struct aac_dev*)class_to_shost(cdev)->hostdata;
1082
1083 if (nblank(dprintk(x)))
1084 len = snprintf(buf, PAGE_SIZE, "dprintk\n");
1085 #ifdef AAC_DETAILED_STATUS_INFO
1086 len += snprintf(buf + len, PAGE_SIZE - len,
1087 "AAC_DETAILED_STATUS_INFO\n");
1088 #endif
1089 if (dev->raw_io_interface && dev->raw_io_64)
1090 len += snprintf(buf + len, PAGE_SIZE - len,
1091 "SAI_READ_CAPACITY_16\n");
1092 if (dev->jbod)
1093 len += snprintf(buf + len, PAGE_SIZE - len, "SUPPORTED_JBOD\n");
1094 if (dev->supplement_adapter_info.supported_options2 &
1095 AAC_OPTION_POWER_MANAGEMENT)
1096 len += snprintf(buf + len, PAGE_SIZE - len,
1097 "SUPPORTED_POWER_MANAGEMENT\n");
1098 if (dev->msi)
1099 len += snprintf(buf + len, PAGE_SIZE - len, "PCI_HAS_MSI\n");
1100 return len;
1101 }
1102
1103 static ssize_t aac_show_kernel_version(struct device *device,
1104 struct device_attribute *attr,
1105 char *buf)
1106 {
1107 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1108 int len, tmp;
1109
1110 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
1111 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1112 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1113 le32_to_cpu(dev->adapter_info.kernelbuild));
1114 return len;
1115 }
1116
1117 static ssize_t aac_show_monitor_version(struct device *device,
1118 struct device_attribute *attr,
1119 char *buf)
1120 {
1121 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1122 int len, tmp;
1123
1124 tmp = le32_to_cpu(dev->adapter_info.monitorrev);
1125 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1126 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1127 le32_to_cpu(dev->adapter_info.monitorbuild));
1128 return len;
1129 }
1130
1131 static ssize_t aac_show_bios_version(struct device *device,
1132 struct device_attribute *attr,
1133 char *buf)
1134 {
1135 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1136 int len, tmp;
1137
1138 tmp = le32_to_cpu(dev->adapter_info.biosrev);
1139 len = snprintf(buf, PAGE_SIZE, "%d.%d-%d[%d]\n",
1140 tmp >> 24, (tmp >> 16) & 0xff, tmp & 0xff,
1141 le32_to_cpu(dev->adapter_info.biosbuild));
1142 return len;
1143 }
1144
1145 static ssize_t aac_show_driver_version(struct device *device,
1146 struct device_attribute *attr,
1147 char *buf)
1148 {
1149 return snprintf(buf, PAGE_SIZE, "%s\n", aac_driver_version);
1150 }
1151
1152 static ssize_t aac_show_serial_number(struct device *device,
1153 struct device_attribute *attr, char *buf)
1154 {
1155 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1156 int len = 0;
1157
1158 if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
1159 len = snprintf(buf, 16, "%06X\n",
1160 le32_to_cpu(dev->adapter_info.serial[0]));
1161 if (len &&
1162 !memcmp(&dev->supplement_adapter_info.mfg_pcba_serial_no[
1163 sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no)-len],
1164 buf, len-1))
1165 len = snprintf(buf, 16, "%.*s\n",
1166 (int)sizeof(dev->supplement_adapter_info.mfg_pcba_serial_no),
1167 dev->supplement_adapter_info.mfg_pcba_serial_no);
1168
1169 return min(len, 16);
1170 }
1171
1172 static ssize_t aac_show_max_channel(struct device *device,
1173 struct device_attribute *attr, char *buf)
1174 {
1175 return snprintf(buf, PAGE_SIZE, "%d\n",
1176 class_to_shost(device)->max_channel);
1177 }
1178
1179 static ssize_t aac_show_max_id(struct device *device,
1180 struct device_attribute *attr, char *buf)
1181 {
1182 return snprintf(buf, PAGE_SIZE, "%d\n",
1183 class_to_shost(device)->max_id);
1184 }
1185
1186 static ssize_t aac_store_reset_adapter(struct device *device,
1187 struct device_attribute *attr,
1188 const char *buf, size_t count)
1189 {
1190 int retval = -EACCES;
1191 int bled = 0;
1192 struct aac_dev *aac;
1193
1194
1195 if (!capable(CAP_SYS_ADMIN))
1196 return retval;
1197
1198 aac = (struct aac_dev *)class_to_shost(device)->hostdata;
1199 bled = buf[0] == '!' ? 1:0;
1200 retval = aac_reset_adapter(aac, bled, IOP_HWSOFT_RESET);
1201 if (retval >= 0)
1202 retval = count;
1203 return retval;
1204 }
1205
1206 static ssize_t aac_show_reset_adapter(struct device *device,
1207 struct device_attribute *attr,
1208 char *buf)
1209 {
1210 struct aac_dev *dev = (struct aac_dev*)class_to_shost(device)->hostdata;
1211 int len, tmp;
1212
1213 tmp = aac_adapter_check_health(dev);
1214 if ((tmp == 0) && dev->in_reset)
1215 tmp = -EBUSY;
1216 len = snprintf(buf, PAGE_SIZE, "0x%x\n", tmp);
1217 return len;
1218 }
1219
1220 static struct device_attribute aac_model = {
1221 .attr = {
1222 .name = "model",
1223 .mode = S_IRUGO,
1224 },
1225 .show = aac_show_model,
1226 };
1227 static struct device_attribute aac_vendor = {
1228 .attr = {
1229 .name = "vendor",
1230 .mode = S_IRUGO,
1231 },
1232 .show = aac_show_vendor,
1233 };
1234 static struct device_attribute aac_flags = {
1235 .attr = {
1236 .name = "flags",
1237 .mode = S_IRUGO,
1238 },
1239 .show = aac_show_flags,
1240 };
1241 static struct device_attribute aac_kernel_version = {
1242 .attr = {
1243 .name = "hba_kernel_version",
1244 .mode = S_IRUGO,
1245 },
1246 .show = aac_show_kernel_version,
1247 };
1248 static struct device_attribute aac_monitor_version = {
1249 .attr = {
1250 .name = "hba_monitor_version",
1251 .mode = S_IRUGO,
1252 },
1253 .show = aac_show_monitor_version,
1254 };
1255 static struct device_attribute aac_bios_version = {
1256 .attr = {
1257 .name = "hba_bios_version",
1258 .mode = S_IRUGO,
1259 },
1260 .show = aac_show_bios_version,
1261 };
1262 static struct device_attribute aac_lld_version = {
1263 .attr = {
1264 .name = "driver_version",
1265 .mode = 0444,
1266 },
1267 .show = aac_show_driver_version,
1268 };
1269 static struct device_attribute aac_serial_number = {
1270 .attr = {
1271 .name = "serial_number",
1272 .mode = S_IRUGO,
1273 },
1274 .show = aac_show_serial_number,
1275 };
1276 static struct device_attribute aac_max_channel = {
1277 .attr = {
1278 .name = "max_channel",
1279 .mode = S_IRUGO,
1280 },
1281 .show = aac_show_max_channel,
1282 };
1283 static struct device_attribute aac_max_id = {
1284 .attr = {
1285 .name = "max_id",
1286 .mode = S_IRUGO,
1287 },
1288 .show = aac_show_max_id,
1289 };
1290 static struct device_attribute aac_reset = {
1291 .attr = {
1292 .name = "reset_host",
1293 .mode = S_IWUSR|S_IRUGO,
1294 },
1295 .store = aac_store_reset_adapter,
1296 .show = aac_show_reset_adapter,
1297 };
1298
1299 static struct device_attribute *aac_attrs[] = {
1300 &aac_model,
1301 &aac_vendor,
1302 &aac_flags,
1303 &aac_kernel_version,
1304 &aac_monitor_version,
1305 &aac_bios_version,
1306 &aac_lld_version,
1307 &aac_serial_number,
1308 &aac_max_channel,
1309 &aac_max_id,
1310 &aac_reset,
1311 NULL
1312 };
1313
1314 ssize_t aac_get_serial_number(struct device *device, char *buf)
1315 {
1316 return aac_show_serial_number(device, &aac_serial_number, buf);
1317 }
1318
1319 static const struct file_operations aac_cfg_fops = {
1320 .owner = THIS_MODULE,
1321 .unlocked_ioctl = aac_cfg_ioctl,
1322 #ifdef CONFIG_COMPAT
1323 .compat_ioctl = aac_compat_cfg_ioctl,
1324 #endif
1325 .open = aac_cfg_open,
1326 .llseek = noop_llseek,
1327 };
1328
1329 static struct scsi_host_template aac_driver_template = {
1330 .module = THIS_MODULE,
1331 .name = "AAC",
1332 .proc_name = AAC_DRIVERNAME,
1333 .info = aac_info,
1334 .ioctl = aac_ioctl,
1335 #ifdef CONFIG_COMPAT
1336 .compat_ioctl = aac_compat_ioctl,
1337 #endif
1338 .queuecommand = aac_queuecommand,
1339 .bios_param = aac_biosparm,
1340 .shost_attrs = aac_attrs,
1341 .slave_configure = aac_slave_configure,
1342 .change_queue_depth = aac_change_queue_depth,
1343 .sdev_attrs = aac_dev_attrs,
1344 .eh_abort_handler = aac_eh_abort,
1345 .eh_host_reset_handler = aac_eh_reset,
1346 .can_queue = AAC_NUM_IO_FIB,
1347 .this_id = MAXIMUM_NUM_CONTAINERS,
1348 .sg_tablesize = 16,
1349 .max_sectors = 128,
1350 #if (AAC_NUM_IO_FIB > 256)
1351 .cmd_per_lun = 256,
1352 #else
1353 .cmd_per_lun = AAC_NUM_IO_FIB,
1354 #endif
1355 .use_clustering = ENABLE_CLUSTERING,
1356 .emulated = 1,
1357 .no_write_same = 1,
1358 };
1359
1360 static void __aac_shutdown(struct aac_dev * aac)
1361 {
1362 int i;
1363
1364 aac->adapter_shutdown = 1;
1365 aac_send_shutdown(aac);
1366
1367 if (aac->aif_thread) {
1368 int i;
1369 /* Clear out events first */
1370 for (i = 0; i < (aac->scsi_host_ptr->can_queue + AAC_NUM_MGT_FIB); i++) {
1371 struct fib *fib = &aac->fibs[i];
1372 if (!(fib->hw_fib_va->header.XferState & cpu_to_le32(NoResponseExpected | Async)) &&
1373 (fib->hw_fib_va->header.XferState & cpu_to_le32(ResponseExpected)))
1374 up(&fib->event_wait);
1375 }
1376 kthread_stop(aac->thread);
1377 }
1378 aac_adapter_disable_int(aac);
1379 if (aac->pdev->device == PMC_DEVICE_S6 ||
1380 aac->pdev->device == PMC_DEVICE_S7 ||
1381 aac->pdev->device == PMC_DEVICE_S8 ||
1382 aac->pdev->device == PMC_DEVICE_S9) {
1383 if (aac->max_msix > 1) {
1384 for (i = 0; i < aac->max_msix; i++) {
1385 free_irq(pci_irq_vector(aac->pdev, i),
1386 &(aac->aac_msix[i]));
1387 }
1388 } else {
1389 free_irq(aac->pdev->irq,
1390 &(aac->aac_msix[0]));
1391 }
1392 } else {
1393 free_irq(aac->pdev->irq, aac);
1394 }
1395 if (aac->msi)
1396 pci_disable_msi(aac->pdev);
1397 else if (aac->max_msix > 1)
1398 pci_disable_msix(aac->pdev);
1399 }
1400 static void aac_init_char(void)
1401 {
1402 aac_cfg_major = register_chrdev(0, "aac", &aac_cfg_fops);
1403 if (aac_cfg_major < 0) {
1404 pr_err("aacraid: unable to register \"aac\" device.\n");
1405 }
1406 }
1407
1408 static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1409 {
1410 unsigned index = id->driver_data;
1411 struct Scsi_Host *shost;
1412 struct aac_dev *aac;
1413 struct list_head *insert = &aac_devices;
1414 int error = -ENODEV;
1415 int unique_id = 0;
1416 u64 dmamask;
1417 int mask_bits = 0;
1418 extern int aac_sync_mode;
1419
1420 /*
1421 * Only series 7 needs freset.
1422 */
1423 if (pdev->device == PMC_DEVICE_S7)
1424 pdev->needs_freset = 1;
1425
1426 list_for_each_entry(aac, &aac_devices, entry) {
1427 if (aac->id > unique_id)
1428 break;
1429 insert = &aac->entry;
1430 unique_id++;
1431 }
1432
1433 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
1434 PCIE_LINK_STATE_CLKPM);
1435
1436 error = pci_enable_device(pdev);
1437 if (error)
1438 goto out;
1439 error = -ENODEV;
1440
1441 if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
1442 error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1443 if (error) {
1444 dev_err(&pdev->dev, "PCI 32 BIT dma mask set failed");
1445 goto out_disable_pdev;
1446 }
1447 }
1448
1449 /*
1450 * If the quirk31 bit is set, the adapter needs adapter
1451 * to driver communication memory to be allocated below 2gig
1452 */
1453 if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) {
1454 dmamask = DMA_BIT_MASK(31);
1455 mask_bits = 31;
1456 } else {
1457 dmamask = DMA_BIT_MASK(32);
1458 mask_bits = 32;
1459 }
1460
1461 error = pci_set_consistent_dma_mask(pdev, dmamask);
1462 if (error) {
1463 dev_err(&pdev->dev, "PCI %d B consistent dma mask set failed\n"
1464 , mask_bits);
1465 goto out_disable_pdev;
1466 }
1467
1468 pci_set_master(pdev);
1469
1470 shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
1471 if (!shost)
1472 goto out_disable_pdev;
1473
1474 shost->irq = pdev->irq;
1475 shost->unique_id = unique_id;
1476 shost->max_cmd_len = 16;
1477 shost->use_cmd_list = 1;
1478
1479 if (aac_cfg_major == AAC_CHARDEV_NEEDS_REINIT)
1480 aac_init_char();
1481
1482 aac = (struct aac_dev *)shost->hostdata;
1483 aac->base_start = pci_resource_start(pdev, 0);
1484 aac->scsi_host_ptr = shost;
1485 aac->pdev = pdev;
1486 aac->name = aac_driver_template.name;
1487 aac->id = shost->unique_id;
1488 aac->cardtype = index;
1489 INIT_LIST_HEAD(&aac->entry);
1490
1491 aac->fibs = kzalloc(sizeof(struct fib) * (shost->can_queue + AAC_NUM_MGT_FIB), GFP_KERNEL);
1492 if (!aac->fibs)
1493 goto out_free_host;
1494 spin_lock_init(&aac->fib_lock);
1495
1496 mutex_init(&aac->ioctl_mutex);
1497 /*
1498 * Map in the registers from the adapter.
1499 */
1500 aac->base_size = AAC_MIN_FOOTPRINT_SIZE;
1501 if ((*aac_drivers[index].init)(aac))
1502 goto out_unmap;
1503
1504 if (aac->sync_mode) {
1505 if (aac_sync_mode)
1506 printk(KERN_INFO "%s%d: Sync. mode enforced "
1507 "by driver parameter. This will cause "
1508 "a significant performance decrease!\n",
1509 aac->name,
1510 aac->id);
1511 else
1512 printk(KERN_INFO "%s%d: Async. mode not supported "
1513 "by current driver, sync. mode enforced."
1514 "\nPlease update driver to get full performance.\n",
1515 aac->name,
1516 aac->id);
1517 }
1518
1519 /*
1520 * Start any kernel threads needed
1521 */
1522 aac->thread = kthread_run(aac_command_thread, aac, AAC_DRIVERNAME);
1523 if (IS_ERR(aac->thread)) {
1524 printk(KERN_ERR "aacraid: Unable to create command thread.\n");
1525 error = PTR_ERR(aac->thread);
1526 aac->thread = NULL;
1527 goto out_deinit;
1528 }
1529
1530 aac->maximum_num_channels = aac_drivers[index].channels;
1531 error = aac_get_adapter_info(aac);
1532 if (error < 0)
1533 goto out_deinit;
1534
1535 /*
1536 * Lets override negotiations and drop the maximum SG limit to 34
1537 */
1538 if ((aac_drivers[index].quirks & AAC_QUIRK_34SG) &&
1539 (shost->sg_tablesize > 34)) {
1540 shost->sg_tablesize = 34;
1541 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1542 }
1543
1544 if ((aac_drivers[index].quirks & AAC_QUIRK_17SG) &&
1545 (shost->sg_tablesize > 17)) {
1546 shost->sg_tablesize = 17;
1547 shost->max_sectors = (shost->sg_tablesize * 8) + 112;
1548 }
1549
1550 error = pci_set_dma_max_seg_size(pdev,
1551 (aac->adapter_info.options & AAC_OPT_NEW_COMM) ?
1552 (shost->max_sectors << 9) : 65536);
1553 if (error)
1554 goto out_deinit;
1555
1556 /*
1557 * Firmware printf works only with older firmware.
1558 */
1559 if (aac_drivers[index].quirks & AAC_QUIRK_34SG)
1560 aac->printf_enabled = 1;
1561 else
1562 aac->printf_enabled = 0;
1563
1564 /*
1565 * max channel will be the physical channels plus 1 virtual channel
1566 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1567 * physical channels are address by their actual physical number+1
1568 */
1569 if (aac->nondasd_support || expose_physicals || aac->jbod)
1570 shost->max_channel = aac->maximum_num_channels;
1571 else
1572 shost->max_channel = 0;
1573
1574 aac_get_config_status(aac, 0);
1575 aac_get_containers(aac);
1576 list_add(&aac->entry, insert);
1577
1578 shost->max_id = aac->maximum_num_containers;
1579 if (shost->max_id < aac->maximum_num_physicals)
1580 shost->max_id = aac->maximum_num_physicals;
1581 if (shost->max_id < MAXIMUM_NUM_CONTAINERS)
1582 shost->max_id = MAXIMUM_NUM_CONTAINERS;
1583 else
1584 shost->this_id = shost->max_id;
1585
1586 if (!aac->sa_firmware && aac_drivers[index].quirks & AAC_QUIRK_SRC)
1587 aac_intr_normal(aac, 0, 2, 0, NULL);
1588
1589 /*
1590 * dmb - we may need to move the setting of these parms somewhere else once
1591 * we get a fib that can report the actual numbers
1592 */
1593 shost->max_lun = AAC_MAX_LUN;
1594
1595 pci_set_drvdata(pdev, shost);
1596
1597 error = scsi_add_host(shost, &pdev->dev);
1598 if (error)
1599 goto out_deinit;
1600 scsi_scan_host(shost);
1601
1602 pci_enable_pcie_error_reporting(pdev);
1603 pci_save_state(pdev);
1604
1605 return 0;
1606
1607 out_deinit:
1608 __aac_shutdown(aac);
1609 out_unmap:
1610 aac_fib_map_free(aac);
1611 if (aac->comm_addr)
1612 dma_free_coherent(&aac->pdev->dev, aac->comm_size,
1613 aac->comm_addr, aac->comm_phys);
1614 kfree(aac->queues);
1615 aac_adapter_ioremap(aac, 0);
1616 kfree(aac->fibs);
1617 kfree(aac->fsa_dev);
1618 out_free_host:
1619 scsi_host_put(shost);
1620 out_disable_pdev:
1621 pci_disable_device(pdev);
1622 out:
1623 return error;
1624 }
1625
1626 static void aac_release_resources(struct aac_dev *aac)
1627 {
1628 aac_adapter_disable_int(aac);
1629 aac_free_irq(aac);
1630 }
1631
1632 static int aac_acquire_resources(struct aac_dev *dev)
1633 {
1634 unsigned long status;
1635 /*
1636 * First clear out all interrupts. Then enable the one's that we
1637 * can handle.
1638 */
1639 while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)
1640 || status == 0xffffffff)
1641 msleep(20);
1642
1643 aac_adapter_disable_int(dev);
1644 aac_adapter_enable_int(dev);
1645
1646
1647 if ((dev->pdev->device == PMC_DEVICE_S7 ||
1648 dev->pdev->device == PMC_DEVICE_S8 ||
1649 dev->pdev->device == PMC_DEVICE_S9))
1650 aac_define_int_mode(dev);
1651
1652 if (dev->msi_enabled)
1653 aac_src_access_devreg(dev, AAC_ENABLE_MSIX);
1654
1655 if (aac_acquire_irq(dev))
1656 goto error_iounmap;
1657
1658 aac_adapter_enable_int(dev);
1659
1660 /*max msix may change after EEH
1661 * Re-assign vectors to fibs
1662 */
1663 aac_fib_vector_assign(dev);
1664
1665 if (!dev->sync_mode) {
1666 /* After EEH recovery or suspend resume, max_msix count
1667 * may change, therefore updating in init as well.
1668 */
1669 dev->init->r7.no_of_msix_vectors = cpu_to_le32(dev->max_msix);
1670 aac_adapter_start(dev);
1671 }
1672 return 0;
1673
1674 error_iounmap:
1675 return -1;
1676
1677 }
1678
1679 #if (defined(CONFIG_PM))
1680 static int aac_suspend(struct pci_dev *pdev, pm_message_t state)
1681 {
1682
1683 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1684 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1685
1686 scsi_block_requests(shost);
1687 aac_send_shutdown(aac);
1688
1689 aac_release_resources(aac);
1690
1691 pci_set_drvdata(pdev, shost);
1692 pci_save_state(pdev);
1693 pci_disable_device(pdev);
1694 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1695
1696 return 0;
1697 }
1698
1699 static int aac_resume(struct pci_dev *pdev)
1700 {
1701 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1702 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1703 int r;
1704
1705 pci_set_power_state(pdev, PCI_D0);
1706 pci_enable_wake(pdev, PCI_D0, 0);
1707 pci_restore_state(pdev);
1708 r = pci_enable_device(pdev);
1709
1710 if (r)
1711 goto fail_device;
1712
1713 pci_set_master(pdev);
1714 if (aac_acquire_resources(aac))
1715 goto fail_device;
1716 /*
1717 * reset this flag to unblock ioctl() as it was set at
1718 * aac_send_shutdown() to block ioctls from upperlayer
1719 */
1720 aac->adapter_shutdown = 0;
1721 scsi_unblock_requests(shost);
1722
1723 return 0;
1724
1725 fail_device:
1726 printk(KERN_INFO "%s%d: resume failed.\n", aac->name, aac->id);
1727 scsi_host_put(shost);
1728 pci_disable_device(pdev);
1729 return -ENODEV;
1730 }
1731 #endif
1732
1733 static void aac_shutdown(struct pci_dev *dev)
1734 {
1735 struct Scsi_Host *shost = pci_get_drvdata(dev);
1736 scsi_block_requests(shost);
1737 __aac_shutdown((struct aac_dev *)shost->hostdata);
1738 }
1739
1740 static void aac_remove_one(struct pci_dev *pdev)
1741 {
1742 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1743 struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
1744
1745 scsi_remove_host(shost);
1746
1747 __aac_shutdown(aac);
1748 aac_fib_map_free(aac);
1749 dma_free_coherent(&aac->pdev->dev, aac->comm_size, aac->comm_addr,
1750 aac->comm_phys);
1751 kfree(aac->queues);
1752
1753 aac_adapter_ioremap(aac, 0);
1754
1755 kfree(aac->fibs);
1756 kfree(aac->fsa_dev);
1757
1758 list_del(&aac->entry);
1759 scsi_host_put(shost);
1760 pci_disable_device(pdev);
1761 if (list_empty(&aac_devices)) {
1762 unregister_chrdev(aac_cfg_major, "aac");
1763 aac_cfg_major = AAC_CHARDEV_NEEDS_REINIT;
1764 }
1765 }
1766
1767 static void aac_flush_ios(struct aac_dev *aac)
1768 {
1769 int i;
1770 struct scsi_cmnd *cmd;
1771
1772 for (i = 0; i < aac->scsi_host_ptr->can_queue; i++) {
1773 cmd = (struct scsi_cmnd *)aac->fibs[i].callback_data;
1774 if (cmd && (cmd->SCp.phase == AAC_OWNER_FIRMWARE)) {
1775 scsi_dma_unmap(cmd);
1776
1777 if (aac->handle_pci_error)
1778 cmd->result = DID_NO_CONNECT << 16;
1779 else
1780 cmd->result = DID_RESET << 16;
1781
1782 cmd->scsi_done(cmd);
1783 }
1784 }
1785 }
1786
1787 static pci_ers_result_t aac_pci_error_detected(struct pci_dev *pdev,
1788 enum pci_channel_state error)
1789 {
1790 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1791 struct aac_dev *aac = shost_priv(shost);
1792
1793 dev_err(&pdev->dev, "aacraid: PCI error detected %x\n", error);
1794
1795 switch (error) {
1796 case pci_channel_io_normal:
1797 return PCI_ERS_RESULT_CAN_RECOVER;
1798 case pci_channel_io_frozen:
1799 aac->handle_pci_error = 1;
1800
1801 scsi_block_requests(aac->scsi_host_ptr);
1802 aac_flush_ios(aac);
1803 aac_release_resources(aac);
1804
1805 pci_disable_pcie_error_reporting(pdev);
1806 aac_adapter_ioremap(aac, 0);
1807
1808 return PCI_ERS_RESULT_NEED_RESET;
1809 case pci_channel_io_perm_failure:
1810 aac->handle_pci_error = 1;
1811
1812 aac_flush_ios(aac);
1813 return PCI_ERS_RESULT_DISCONNECT;
1814 }
1815
1816 return PCI_ERS_RESULT_NEED_RESET;
1817 }
1818
1819 static pci_ers_result_t aac_pci_mmio_enabled(struct pci_dev *pdev)
1820 {
1821 dev_err(&pdev->dev, "aacraid: PCI error - mmio enabled\n");
1822 return PCI_ERS_RESULT_NEED_RESET;
1823 }
1824
1825 static pci_ers_result_t aac_pci_slot_reset(struct pci_dev *pdev)
1826 {
1827 dev_err(&pdev->dev, "aacraid: PCI error - slot reset\n");
1828 pci_restore_state(pdev);
1829 if (pci_enable_device(pdev)) {
1830 dev_warn(&pdev->dev,
1831 "aacraid: failed to enable slave\n");
1832 goto fail_device;
1833 }
1834
1835 pci_set_master(pdev);
1836
1837 if (pci_enable_device_mem(pdev)) {
1838 dev_err(&pdev->dev, "pci_enable_device_mem failed\n");
1839 goto fail_device;
1840 }
1841
1842 return PCI_ERS_RESULT_RECOVERED;
1843
1844 fail_device:
1845 dev_err(&pdev->dev, "aacraid: PCI error - slot reset failed\n");
1846 return PCI_ERS_RESULT_DISCONNECT;
1847 }
1848
1849
1850 static void aac_pci_resume(struct pci_dev *pdev)
1851 {
1852 struct Scsi_Host *shost = pci_get_drvdata(pdev);
1853 struct scsi_device *sdev = NULL;
1854 struct aac_dev *aac = (struct aac_dev *)shost_priv(shost);
1855
1856 pci_cleanup_aer_uncorrect_error_status(pdev);
1857
1858 if (aac_adapter_ioremap(aac, aac->base_size)) {
1859
1860 dev_err(&pdev->dev, "aacraid: ioremap failed\n");
1861 /* remap failed, go back ... */
1862 aac->comm_interface = AAC_COMM_PRODUCER;
1863 if (aac_adapter_ioremap(aac, AAC_MIN_FOOTPRINT_SIZE)) {
1864 dev_warn(&pdev->dev,
1865 "aacraid: unable to map adapter.\n");
1866
1867 return;
1868 }
1869 }
1870
1871 msleep(10000);
1872
1873 aac_acquire_resources(aac);
1874
1875 /*
1876 * reset this flag to unblock ioctl() as it was set
1877 * at aac_send_shutdown() to block ioctls from upperlayer
1878 */
1879 aac->adapter_shutdown = 0;
1880 aac->handle_pci_error = 0;
1881
1882 shost_for_each_device(sdev, shost)
1883 if (sdev->sdev_state == SDEV_OFFLINE)
1884 sdev->sdev_state = SDEV_RUNNING;
1885 scsi_unblock_requests(aac->scsi_host_ptr);
1886 scsi_scan_host(aac->scsi_host_ptr);
1887 pci_save_state(pdev);
1888
1889 dev_err(&pdev->dev, "aacraid: PCI error - resume\n");
1890 }
1891
1892 static struct pci_error_handlers aac_pci_err_handler = {
1893 .error_detected = aac_pci_error_detected,
1894 .mmio_enabled = aac_pci_mmio_enabled,
1895 .slot_reset = aac_pci_slot_reset,
1896 .resume = aac_pci_resume,
1897 };
1898
1899 static struct pci_driver aac_pci_driver = {
1900 .name = AAC_DRIVERNAME,
1901 .id_table = aac_pci_tbl,
1902 .probe = aac_probe_one,
1903 .remove = aac_remove_one,
1904 #if (defined(CONFIG_PM))
1905 .suspend = aac_suspend,
1906 .resume = aac_resume,
1907 #endif
1908 .shutdown = aac_shutdown,
1909 .err_handler = &aac_pci_err_handler,
1910 };
1911
1912 static int __init aac_init(void)
1913 {
1914 int error;
1915
1916 printk(KERN_INFO "Adaptec %s driver %s\n",
1917 AAC_DRIVERNAME, aac_driver_version);
1918
1919 error = pci_register_driver(&aac_pci_driver);
1920 if (error < 0)
1921 return error;
1922
1923 aac_init_char();
1924
1925
1926 return 0;
1927 }
1928
1929 static void __exit aac_exit(void)
1930 {
1931 if (aac_cfg_major > -1)
1932 unregister_chrdev(aac_cfg_major, "aac");
1933 pci_unregister_driver(&aac_pci_driver);
1934 }
1935
1936 module_init(aac_init);
1937 module_exit(aac_exit);
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