2 * Adaptec AAC series RAID controller driver
3 * (c) Copyright 2001 Red Hat Inc.
5 * based on the old aacraid driver that is..
6 * Adaptec aacraid device driver for Linux.
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)
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)
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.
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.
29 * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
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>
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>
61 #define AAC_DRIVER_VERSION "1.2.1"
62 #ifndef AAC_DRIVER_BRANCH
63 #define AAC_DRIVER_BRANCH ""
65 #define AAC_DRIVERNAME "aacraid"
67 #ifdef AAC_DRIVER_BUILD
69 #define str(x) _str(x)
70 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
72 #define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH
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
);
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
;
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.
91 * Note: The last field is used to index into aac_drivers below.
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) */
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) */
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 */
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 */
166 MODULE_DEVICE_TABLE(pci
, aac_pci_tbl
);
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
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) */
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) */
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 */
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 */
245 * aac_queuecommand - queue a SCSI command
246 * @cmd: SCSI command to queue
247 * @done: Function to call on command completion
249 * Queues a command for execution by the associated Host Adapter.
251 * TODO: unify with aac_scsi_cmd().
254 static int aac_queuecommand(struct Scsi_Host
*shost
,
255 struct scsi_cmnd
*cmd
)
258 cmd
->SCp
.phase
= AAC_OWNER_LOWLEVEL
;
259 r
= (aac_scsi_cmd(cmd
) ? FAILED
: 0);
264 * aac_info - Returns the host adapter name
265 * @shost: Scsi host to report on
267 * Returns a static string describing the device in question
270 static const char *aac_info(struct Scsi_Host
*shost
)
272 struct aac_dev
*dev
= (struct aac_dev
*)shost
->hostdata
;
273 return aac_drivers
[dev
->cardtype
].name
;
277 * aac_get_driver_ident
278 * @devtype: index into lookup table
280 * Returns a pointer to the entry in the driver lookup table.
283 struct aac_driver_ident
* aac_get_driver_ident(int devtype
)
285 return &aac_drivers
[devtype
];
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
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
310 static int aac_biosparm(struct scsi_device
*sdev
, struct block_device
*bdev
,
311 sector_t capacity
, int *geom
)
313 struct diskparm
*param
= (struct diskparm
*)geom
;
316 dprintk((KERN_DEBUG
"aac_biosparm.\n"));
319 * Assuming extended translation is enabled - #REVISIT#
321 if (capacity
>= 2 * 1024 * 1024) { /* 1 GB in 512 byte sectors */
322 if(capacity
>= 4 * 1024 * 1024) { /* 2 GB in 512 byte sectors */
334 param
->cylinders
= cap_to_cyls(capacity
, param
->heads
* param
->sectors
);
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 ).
342 buf
= scsi_bios_ptable(bdev
);
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
;
350 unsigned char end_head
, end_sec
;
352 for(num
= 0; num
< 4; num
++) {
353 end_head
= entry
->end_head
;
354 end_sec
= entry
->end_sector
& 0x3f;
360 } else if(end_head
== 127) {
364 } else if(end_head
== 254) {
373 end_head
= first
->end_head
;
374 end_sec
= first
->end_sector
& 0x3f;
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
));
394 * aac_slave_configure - compute queue depths
395 * @sdev: SCSI device we are considering
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.
402 static int aac_slave_configure(struct scsi_device
*sdev
)
404 struct aac_dev
*aac
= (struct aac_dev
*)sdev
->host
->hostdata
;
406 unsigned int depth
= 0;
407 unsigned int set_timeout
= 0;
408 bool set_qd_dev_type
= false;
411 chn
= aac_logical_to_phys(sdev_channel(sdev
));
413 if (chn
< AAC_MAX_BUSES
&& tid
< AAC_MAX_TARGETS
&& aac
->sa_firmware
) {
414 devtype
= aac
->hba_map
[chn
][tid
].devtype
;
416 if (devtype
== AAC_DEVTYPE_NATIVE_RAW
)
417 depth
= aac
->hba_map
[chn
][tid
].qd_limit
;
418 else if (devtype
== AAC_DEVTYPE_ARC_RAW
)
419 set_qd_dev_type
= true;
425 if (aac
->jbod
&& (sdev
->type
== TYPE_DISK
))
428 if (sdev
->type
== TYPE_DISK
429 && sdev_channel(sdev
) != CONTAINER_CHANNEL
430 && (!aac
->jbod
|| sdev
->inq_periph_qual
)
431 && (!aac
->raid_scsi_mode
|| (sdev_channel(sdev
) != 2))) {
433 if (expose_physicals
== 0)
436 if (expose_physicals
< 0)
437 sdev
->no_uld_attach
= 1;
440 if (sdev
->tagged_supported
441 && sdev
->type
== TYPE_DISK
442 && (!aac
->raid_scsi_mode
|| (sdev_channel(sdev
) != 2))
443 && !sdev
->no_uld_attach
) {
445 struct scsi_device
* dev
;
446 struct Scsi_Host
*host
= sdev
->host
;
447 unsigned num_lsu
= 0;
448 unsigned num_one
= 0;
453 for (cid
= 0; cid
< aac
->maximum_num_containers
; ++cid
)
454 if (aac
->fsa_dev
[cid
].valid
)
457 __shost_for_each_device(dev
, host
) {
458 if (dev
->tagged_supported
459 && dev
->type
== TYPE_DISK
460 && (!aac
->raid_scsi_mode
|| (sdev_channel(sdev
) != 2))
461 && !dev
->no_uld_attach
) {
462 if ((sdev_channel(dev
) != CONTAINER_CHANNEL
)
463 || !aac
->fsa_dev
[sdev_id(dev
)].valid
) {
474 depth
= (host
->can_queue
- num_one
) / num_lsu
;
476 if (sdev_channel(sdev
) != NATIVE_CHANNEL
)
479 set_qd_dev_type
= true;
486 * Check if SATA drive
488 if (set_qd_dev_type
) {
489 if (strncmp(sdev
->vendor
, "ATA", 3) == 0)
496 * Firmware has an individual device recovery time typically
497 * of 35 seconds, give us a margin.
499 if (set_timeout
&& sdev
->request_queue
->rq_timeout
< (45 * HZ
))
500 blk_queue_rq_timeout(sdev
->request_queue
, 45*HZ
);
507 scsi_change_queue_depth(sdev
, depth
);
509 sdev
->tagged_supported
= 1;
515 * aac_change_queue_depth - alter queue depths
516 * @sdev: SCSI device we are considering
517 * @depth: desired queue depth
519 * Alters queue depths for target device based on the host adapter's
520 * total capacity and the queue depth supported by the target device.
523 static int aac_change_queue_depth(struct scsi_device
*sdev
, int depth
)
525 struct aac_dev
*aac
= (struct aac_dev
*)(sdev
->host
->hostdata
);
526 int chn
, tid
, is_native_device
= 0;
528 chn
= aac_logical_to_phys(sdev_channel(sdev
));
530 if (chn
< AAC_MAX_BUSES
&& tid
< AAC_MAX_TARGETS
&&
531 aac
->hba_map
[chn
][tid
].devtype
== AAC_DEVTYPE_NATIVE_RAW
)
532 is_native_device
= 1;
534 if (sdev
->tagged_supported
&& (sdev
->type
== TYPE_DISK
) &&
535 (sdev_channel(sdev
) == CONTAINER_CHANNEL
)) {
536 struct scsi_device
* dev
;
537 struct Scsi_Host
*host
= sdev
->host
;
540 __shost_for_each_device(dev
, host
) {
541 if (dev
->tagged_supported
&& (dev
->type
== TYPE_DISK
) &&
542 (sdev_channel(dev
) == CONTAINER_CHANNEL
))
546 if (num
>= host
->can_queue
)
547 num
= host
->can_queue
- 1;
548 if (depth
> (host
->can_queue
- num
))
549 depth
= host
->can_queue
- num
;
554 return scsi_change_queue_depth(sdev
, depth
);
555 } else if (is_native_device
) {
556 scsi_change_queue_depth(sdev
, aac
->hba_map
[chn
][tid
].qd_limit
);
558 scsi_change_queue_depth(sdev
, 1);
560 return sdev
->queue_depth
;
563 static ssize_t
aac_show_raid_level(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
565 struct scsi_device
*sdev
= to_scsi_device(dev
);
566 struct aac_dev
*aac
= (struct aac_dev
*)(sdev
->host
->hostdata
);
567 if (sdev_channel(sdev
) != CONTAINER_CHANNEL
)
568 return snprintf(buf
, PAGE_SIZE
, sdev
->no_uld_attach
570 ((aac
->jbod
&& (sdev
->type
== TYPE_DISK
)) ? "JBOD\n" : ""));
571 return snprintf(buf
, PAGE_SIZE
, "%s\n",
572 get_container_type(aac
->fsa_dev
[sdev_id(sdev
)].type
));
575 static struct device_attribute aac_raid_level_attr
= {
580 .show
= aac_show_raid_level
583 static ssize_t
aac_show_unique_id(struct device
*dev
,
584 struct device_attribute
*attr
, char *buf
)
586 struct scsi_device
*sdev
= to_scsi_device(dev
);
587 struct aac_dev
*aac
= (struct aac_dev
*)(sdev
->host
->hostdata
);
588 unsigned char sn
[16];
590 memset(sn
, 0, sizeof(sn
));
592 if (sdev_channel(sdev
) == CONTAINER_CHANNEL
)
593 memcpy(sn
, aac
->fsa_dev
[sdev_id(sdev
)].identifier
, sizeof(sn
));
595 return snprintf(buf
, 16 * 2 + 2,
596 "%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X\n",
597 sn
[0], sn
[1], sn
[2], sn
[3],
598 sn
[4], sn
[5], sn
[6], sn
[7],
599 sn
[8], sn
[9], sn
[10], sn
[11],
600 sn
[12], sn
[13], sn
[14], sn
[15]);
603 static struct device_attribute aac_unique_id_attr
= {
608 .show
= aac_show_unique_id
613 static struct device_attribute
*aac_dev_attrs
[] = {
614 &aac_raid_level_attr
,
619 static int aac_ioctl(struct scsi_device
*sdev
, int cmd
, void __user
* arg
)
621 struct aac_dev
*dev
= (struct aac_dev
*)sdev
->host
->hostdata
;
622 if (!capable(CAP_SYS_RAWIO
))
624 return aac_do_ioctl(dev
, cmd
, arg
);
627 static int get_num_of_incomplete_fibs(struct aac_dev
*aac
)
631 struct scsi_device
*sdev
= NULL
;
632 struct Scsi_Host
*shost
= aac
->scsi_host_ptr
;
633 struct scsi_cmnd
*scmnd
= NULL
;
634 struct device
*ctrl_dev
;
642 __shost_for_each_device(sdev
, shost
) {
643 spin_lock_irqsave(&sdev
->list_lock
, flags
);
644 list_for_each_entry(scmnd
, &sdev
->cmd_list
, list
) {
645 switch (scmnd
->SCp
.phase
) {
646 case AAC_OWNER_FIRMWARE
:
649 case AAC_OWNER_ERROR_HANDLER
:
652 case AAC_OWNER_LOWLEVEL
:
655 case AAC_OWNER_MIDLEVEL
:
663 spin_unlock_irqrestore(&sdev
->list_lock
, flags
);
666 ctrl_dev
= &aac
->pdev
->dev
;
668 dev_info(ctrl_dev
, "outstanding cmd: midlevel-%d\n", mlcnt
);
669 dev_info(ctrl_dev
, "outstanding cmd: lowlevel-%d\n", llcnt
);
670 dev_info(ctrl_dev
, "outstanding cmd: error handler-%d\n", ehcnt
);
671 dev_info(ctrl_dev
, "outstanding cmd: firmware-%d\n", fwcnt
);
672 dev_info(ctrl_dev
, "outstanding cmd: kernel-%d\n", krlcnt
);
674 return mlcnt
+ llcnt
+ ehcnt
+ fwcnt
;
677 static int aac_eh_abort(struct scsi_cmnd
* cmd
)
679 struct scsi_device
* dev
= cmd
->device
;
680 struct Scsi_Host
* host
= dev
->host
;
681 struct aac_dev
* aac
= (struct aac_dev
*)host
->hostdata
;
686 bus
= aac_logical_to_phys(scmd_channel(cmd
));
688 if (aac
->hba_map
[bus
][cid
].devtype
== AAC_DEVTYPE_NATIVE_RAW
) {
690 struct aac_hba_tm_req
*tmf
;
693 __le32 managed_request_id
;
695 pr_err("%s: Host adapter abort request (%d,%d,%d,%d)\n",
697 host
->host_no
, sdev_channel(dev
), sdev_id(dev
), (int)dev
->lun
);
700 for (count
= 0; count
< (host
->can_queue
+ AAC_NUM_MGT_FIB
); ++count
) {
701 fib
= &aac
->fibs
[count
];
702 if (*(u8
*)fib
->hw_fib_va
!= 0 &&
703 (fib
->flags
& FIB_CONTEXT_FLAG_NATIVE_HBA
) &&
704 (fib
->callback_data
== cmd
)) {
706 managed_request_id
= ((struct aac_hba_cmd_req
*)
707 fib
->hw_fib_va
)->request_id
;
714 /* start a HBA_TMF_ABORT_TASK TMF request */
715 fib
= aac_fib_alloc(aac
);
719 tmf
= (struct aac_hba_tm_req
*)fib
->hw_fib_va
;
720 memset(tmf
, 0, sizeof(*tmf
));
721 tmf
->tmf
= HBA_TMF_ABORT_TASK
;
722 tmf
->it_nexus
= aac
->hba_map
[bus
][cid
].rmw_nexus
;
723 tmf
->lun
[1] = cmd
->device
->lun
;
725 address
= (u64
)fib
->hw_error_pa
;
726 tmf
->error_ptr_hi
= cpu_to_le32((u32
)(address
>> 32));
727 tmf
->error_ptr_lo
= cpu_to_le32((u32
)(address
& 0xffffffff));
728 tmf
->error_length
= cpu_to_le32(FW_ERROR_BUFFER_SIZE
);
730 fib
->hbacmd_size
= sizeof(*tmf
);
731 cmd
->SCp
.sent_command
= 0;
733 status
= aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ
, fib
,
734 (fib_callback
) aac_hba_callback
,
737 /* Wait up to 15 secs for completion */
738 for (count
= 0; count
< 15; ++count
) {
739 if (cmd
->SCp
.sent_command
) {
747 pr_err("%s: Host adapter abort request timed out\n",
751 "%s: Host adapter abort request.\n"
752 "%s: Outstanding commands on (%d,%d,%d,%d):\n",
753 AAC_DRIVERNAME
, AAC_DRIVERNAME
,
754 host
->host_no
, sdev_channel(dev
), sdev_id(dev
),
756 switch (cmd
->cmnd
[0]) {
757 case SERVICE_ACTION_IN_16
:
758 if (!(aac
->raw_io_interface
) ||
760 ((cmd
->cmnd
[1] & 0x1f) != SAI_READ_CAPACITY_16
))
765 * Mark associated FIB to not complete,
766 * eh handler does this
769 count
< (host
->can_queue
+ AAC_NUM_MGT_FIB
);
771 struct fib
*fib
= &aac
->fibs
[count
];
773 if (fib
->hw_fib_va
->header
.XferState
&&
774 (fib
->flags
& FIB_CONTEXT_FLAG
) &&
775 (fib
->callback_data
== cmd
)) {
777 FIB_CONTEXT_FLAG_TIMED_OUT
;
779 AAC_OWNER_ERROR_HANDLER
;
784 case TEST_UNIT_READY
:
786 * Mark associated FIB to not complete,
787 * eh handler does this
790 count
< (host
->can_queue
+ AAC_NUM_MGT_FIB
);
792 struct scsi_cmnd
*command
;
793 struct fib
*fib
= &aac
->fibs
[count
];
795 command
= fib
->callback_data
;
797 if ((fib
->hw_fib_va
->header
.XferState
&
799 (Async
| NoResponseExpected
)) &&
800 (fib
->flags
& FIB_CONTEXT_FLAG
) &&
802 (command
->device
== cmd
->device
)) {
804 FIB_CONTEXT_FLAG_TIMED_OUT
;
806 AAC_OWNER_ERROR_HANDLER
;
818 * aac_eh_reset - Reset command handling
819 * @scsi_cmd: SCSI command block causing the reset
822 static int aac_eh_reset(struct scsi_cmnd
* cmd
)
824 struct scsi_device
* dev
= cmd
->device
;
825 struct Scsi_Host
* host
= dev
->host
;
826 struct aac_dev
* aac
= (struct aac_dev
*)host
->hostdata
;
831 bus
= aac_logical_to_phys(scmd_channel(cmd
));
833 if (bus
< AAC_MAX_BUSES
&& cid
< AAC_MAX_TARGETS
&&
834 aac
->hba_map
[bus
][cid
].devtype
== AAC_DEVTYPE_NATIVE_RAW
) {
840 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
843 fib
= aac_fib_alloc(aac
);
848 if (aac
->hba_map
[bus
][cid
].reset_state
== 0) {
849 struct aac_hba_tm_req
*tmf
;
851 /* start a HBA_TMF_LUN_RESET TMF request */
852 tmf
= (struct aac_hba_tm_req
*)fib
->hw_fib_va
;
853 memset(tmf
, 0, sizeof(*tmf
));
854 tmf
->tmf
= HBA_TMF_LUN_RESET
;
855 tmf
->it_nexus
= aac
->hba_map
[bus
][cid
].rmw_nexus
;
856 tmf
->lun
[1] = cmd
->device
->lun
;
858 address
= (u64
)fib
->hw_error_pa
;
859 tmf
->error_ptr_hi
= cpu_to_le32
860 ((u32
)(address
>> 32));
861 tmf
->error_ptr_lo
= cpu_to_le32
862 ((u32
)(address
& 0xffffffff));
863 tmf
->error_length
= cpu_to_le32(FW_ERROR_BUFFER_SIZE
);
864 fib
->hbacmd_size
= sizeof(*tmf
);
866 command
= HBA_IU_TYPE_SCSI_TM_REQ
;
867 aac
->hba_map
[bus
][cid
].reset_state
++;
868 } else if (aac
->hba_map
[bus
][cid
].reset_state
>= 1) {
869 struct aac_hba_reset_req
*rst
;
871 /* already tried, start a hard reset now */
872 rst
= (struct aac_hba_reset_req
*)fib
->hw_fib_va
;
873 memset(rst
, 0, sizeof(*rst
));
874 /* reset_type is already zero... */
875 rst
->it_nexus
= aac
->hba_map
[bus
][cid
].rmw_nexus
;
877 address
= (u64
)fib
->hw_error_pa
;
878 rst
->error_ptr_hi
= cpu_to_le32((u32
)(address
>> 32));
879 rst
->error_ptr_lo
= cpu_to_le32
880 ((u32
)(address
& 0xffffffff));
881 rst
->error_length
= cpu_to_le32(FW_ERROR_BUFFER_SIZE
);
882 fib
->hbacmd_size
= sizeof(*rst
);
884 command
= HBA_IU_TYPE_SATA_REQ
;
885 aac
->hba_map
[bus
][cid
].reset_state
= 0;
887 cmd
->SCp
.sent_command
= 0;
889 status
= aac_hba_send(command
, fib
,
890 (fib_callback
) aac_hba_callback
,
893 /* Wait up to 15 seconds for completion */
894 for (count
= 0; count
< 15; ++count
) {
895 if (cmd
->SCp
.sent_command
) {
903 pr_err("%s: Host adapter reset request timed out\n",
907 /* Mark the assoc. FIB to not complete, eh handler does this */
909 count
< (host
->can_queue
+ AAC_NUM_MGT_FIB
);
911 struct fib
*fib
= &aac
->fibs
[count
];
913 if (fib
->hw_fib_va
->header
.XferState
&&
914 (fib
->flags
& FIB_CONTEXT_FLAG
) &&
915 (fib
->callback_data
== cmd
)) {
916 fib
->flags
|= FIB_CONTEXT_FLAG_TIMED_OUT
;
917 cmd
->SCp
.phase
= AAC_OWNER_ERROR_HANDLER
;
921 pr_err("%s: Host adapter reset request. SCSI hang ?\n",
924 count
= get_num_of_incomplete_fibs(aac
);
929 * This adapter needs a blind reset, only do so for
930 * Adapters that support a register, instead of a commanded,
933 if (((aac
->supplement_adapter_info
.supported_options2
&
934 AAC_OPTION_MU_RESET
) ||
935 (aac
->supplement_adapter_info
.supported_options2
&
936 AAC_OPTION_DOORBELL_RESET
)) &&
938 ((aac_check_reset
!= 1) ||
939 !(aac
->supplement_adapter_info
.supported_options2
&
940 AAC_OPTION_IGNORE_RESET
))) {
941 /* Bypass wait for command quiesce */
942 aac_reset_adapter(aac
, 2, IOP_HWSOFT_RESET
);
947 * Cause an immediate retry of the command with a ten second delay
948 * after successful tur
954 * aac_cfg_open - open a configuration file
955 * @inode: inode being opened
956 * @file: file handle attached
958 * Called when the configuration device is opened. Does the needed
959 * set up on the handle and then returns
961 * Bugs: This needs extending to check a given adapter is present
962 * so we can support hot plugging, and to ref count adapters.
965 static int aac_cfg_open(struct inode
*inode
, struct file
*file
)
968 unsigned minor_number
= iminor(inode
);
971 mutex_lock(&aac_mutex
); /* BKL pushdown: nothing else protects this list */
972 list_for_each_entry(aac
, &aac_devices
, entry
) {
973 if (aac
->id
== minor_number
) {
974 file
->private_data
= aac
;
979 mutex_unlock(&aac_mutex
);
985 * aac_cfg_ioctl - AAC configuration request
986 * @inode: inode of device
988 * @cmd: ioctl command code
991 * Handles a configuration ioctl. Currently this involves wrapping it
992 * up and feeding it into the nasty windowsalike glue layer.
994 * Bugs: Needs locking against parallel ioctls lower down
995 * Bugs: Needs to handle hot plugging
998 static long aac_cfg_ioctl(struct file
*file
,
999 unsigned int cmd
, unsigned long arg
)
1001 struct aac_dev
*aac
= (struct aac_dev
*)file
->private_data
;
1003 if (!capable(CAP_SYS_RAWIO
))
1006 return aac_do_ioctl(aac
, cmd
, (void __user
*)arg
);
1009 #ifdef CONFIG_COMPAT
1010 static long aac_compat_do_ioctl(struct aac_dev
*dev
, unsigned cmd
, unsigned long arg
)
1014 case FSACTL_MINIPORT_REV_CHECK
:
1015 case FSACTL_SENDFIB
:
1016 case FSACTL_OPEN_GET_ADAPTER_FIB
:
1017 case FSACTL_CLOSE_GET_ADAPTER_FIB
:
1018 case FSACTL_SEND_RAW_SRB
:
1019 case FSACTL_GET_PCI_INFO
:
1020 case FSACTL_QUERY_DISK
:
1021 case FSACTL_DELETE_DISK
:
1022 case FSACTL_FORCE_DELETE_DISK
:
1023 case FSACTL_GET_CONTAINERS
:
1024 case FSACTL_SEND_LARGE_FIB
:
1025 ret
= aac_do_ioctl(dev
, cmd
, (void __user
*)arg
);
1028 case FSACTL_GET_NEXT_ADAPTER_FIB
: {
1029 struct fib_ioctl __user
*f
;
1031 f
= compat_alloc_user_space(sizeof(*f
));
1033 if (clear_user(f
, sizeof(*f
)))
1035 if (copy_in_user(f
, (void __user
*)arg
, sizeof(struct fib_ioctl
) - sizeof(u32
)))
1038 ret
= aac_do_ioctl(dev
, cmd
, f
);
1049 static int aac_compat_ioctl(struct scsi_device
*sdev
, int cmd
, void __user
*arg
)
1051 struct aac_dev
*dev
= (struct aac_dev
*)sdev
->host
->hostdata
;
1052 if (!capable(CAP_SYS_RAWIO
))
1054 return aac_compat_do_ioctl(dev
, cmd
, (unsigned long)arg
);
1057 static long aac_compat_cfg_ioctl(struct file
*file
, unsigned cmd
, unsigned long arg
)
1059 if (!capable(CAP_SYS_RAWIO
))
1061 return aac_compat_do_ioctl(file
->private_data
, cmd
, arg
);
1065 static ssize_t
aac_show_model(struct device
*device
,
1066 struct device_attribute
*attr
, char *buf
)
1068 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1071 if (dev
->supplement_adapter_info
.adapter_type_text
[0]) {
1072 char *cp
= dev
->supplement_adapter_info
.adapter_type_text
;
1073 while (*cp
&& *cp
!= ' ')
1077 len
= snprintf(buf
, PAGE_SIZE
, "%s\n", cp
);
1079 len
= snprintf(buf
, PAGE_SIZE
, "%s\n",
1080 aac_drivers
[dev
->cardtype
].model
);
1084 static ssize_t
aac_show_vendor(struct device
*device
,
1085 struct device_attribute
*attr
, char *buf
)
1087 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1088 struct aac_supplement_adapter_info
*sup_adap_info
;
1091 sup_adap_info
= &dev
->supplement_adapter_info
;
1092 if (sup_adap_info
->adapter_type_text
[0]) {
1093 char *cp
= sup_adap_info
->adapter_type_text
;
1094 while (*cp
&& *cp
!= ' ')
1096 len
= snprintf(buf
, PAGE_SIZE
, "%.*s\n",
1097 (int)(cp
- (char *)sup_adap_info
->adapter_type_text
),
1098 sup_adap_info
->adapter_type_text
);
1100 len
= snprintf(buf
, PAGE_SIZE
, "%s\n",
1101 aac_drivers
[dev
->cardtype
].vname
);
1105 static ssize_t
aac_show_flags(struct device
*cdev
,
1106 struct device_attribute
*attr
, char *buf
)
1109 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(cdev
)->hostdata
;
1111 if (nblank(dprintk(x
)))
1112 len
= snprintf(buf
, PAGE_SIZE
, "dprintk\n");
1113 #ifdef AAC_DETAILED_STATUS_INFO
1114 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1115 "AAC_DETAILED_STATUS_INFO\n");
1117 if (dev
->raw_io_interface
&& dev
->raw_io_64
)
1118 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1119 "SAI_READ_CAPACITY_16\n");
1121 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "SUPPORTED_JBOD\n");
1122 if (dev
->supplement_adapter_info
.supported_options2
&
1123 AAC_OPTION_POWER_MANAGEMENT
)
1124 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
,
1125 "SUPPORTED_POWER_MANAGEMENT\n");
1127 len
+= snprintf(buf
+ len
, PAGE_SIZE
- len
, "PCI_HAS_MSI\n");
1131 static ssize_t
aac_show_kernel_version(struct device
*device
,
1132 struct device_attribute
*attr
,
1135 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1138 tmp
= le32_to_cpu(dev
->adapter_info
.kernelrev
);
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
.kernelbuild
));
1145 static ssize_t
aac_show_monitor_version(struct device
*device
,
1146 struct device_attribute
*attr
,
1149 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1152 tmp
= le32_to_cpu(dev
->adapter_info
.monitorrev
);
1153 len
= snprintf(buf
, PAGE_SIZE
, "%d.%d-%d[%d]\n",
1154 tmp
>> 24, (tmp
>> 16) & 0xff, tmp
& 0xff,
1155 le32_to_cpu(dev
->adapter_info
.monitorbuild
));
1159 static ssize_t
aac_show_bios_version(struct device
*device
,
1160 struct device_attribute
*attr
,
1163 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1166 tmp
= le32_to_cpu(dev
->adapter_info
.biosrev
);
1167 len
= snprintf(buf
, PAGE_SIZE
, "%d.%d-%d[%d]\n",
1168 tmp
>> 24, (tmp
>> 16) & 0xff, tmp
& 0xff,
1169 le32_to_cpu(dev
->adapter_info
.biosbuild
));
1173 static ssize_t
aac_show_driver_version(struct device
*device
,
1174 struct device_attribute
*attr
,
1177 return snprintf(buf
, PAGE_SIZE
, "%s\n", aac_driver_version
);
1180 static ssize_t
aac_show_serial_number(struct device
*device
,
1181 struct device_attribute
*attr
, char *buf
)
1183 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1186 if (le32_to_cpu(dev
->adapter_info
.serial
[0]) != 0xBAD0)
1187 len
= snprintf(buf
, 16, "%06X\n",
1188 le32_to_cpu(dev
->adapter_info
.serial
[0]));
1190 !memcmp(&dev
->supplement_adapter_info
.mfg_pcba_serial_no
[
1191 sizeof(dev
->supplement_adapter_info
.mfg_pcba_serial_no
)-len
],
1193 len
= snprintf(buf
, 16, "%.*s\n",
1194 (int)sizeof(dev
->supplement_adapter_info
.mfg_pcba_serial_no
),
1195 dev
->supplement_adapter_info
.mfg_pcba_serial_no
);
1197 return min(len
, 16);
1200 static ssize_t
aac_show_max_channel(struct device
*device
,
1201 struct device_attribute
*attr
, char *buf
)
1203 return snprintf(buf
, PAGE_SIZE
, "%d\n",
1204 class_to_shost(device
)->max_channel
);
1207 static ssize_t
aac_show_max_id(struct device
*device
,
1208 struct device_attribute
*attr
, char *buf
)
1210 return snprintf(buf
, PAGE_SIZE
, "%d\n",
1211 class_to_shost(device
)->max_id
);
1214 static ssize_t
aac_store_reset_adapter(struct device
*device
,
1215 struct device_attribute
*attr
,
1216 const char *buf
, size_t count
)
1218 int retval
= -EACCES
;
1220 struct aac_dev
*aac
;
1223 if (!capable(CAP_SYS_ADMIN
))
1226 aac
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1227 bled
= buf
[0] == '!' ? 1:0;
1228 retval
= aac_reset_adapter(aac
, bled
, IOP_HWSOFT_RESET
);
1234 static ssize_t
aac_show_reset_adapter(struct device
*device
,
1235 struct device_attribute
*attr
,
1238 struct aac_dev
*dev
= (struct aac_dev
*)class_to_shost(device
)->hostdata
;
1241 tmp
= aac_adapter_check_health(dev
);
1242 if ((tmp
== 0) && dev
->in_reset
)
1244 len
= snprintf(buf
, PAGE_SIZE
, "0x%x\n", tmp
);
1248 static struct device_attribute aac_model
= {
1253 .show
= aac_show_model
,
1255 static struct device_attribute aac_vendor
= {
1260 .show
= aac_show_vendor
,
1262 static struct device_attribute aac_flags
= {
1267 .show
= aac_show_flags
,
1269 static struct device_attribute aac_kernel_version
= {
1271 .name
= "hba_kernel_version",
1274 .show
= aac_show_kernel_version
,
1276 static struct device_attribute aac_monitor_version
= {
1278 .name
= "hba_monitor_version",
1281 .show
= aac_show_monitor_version
,
1283 static struct device_attribute aac_bios_version
= {
1285 .name
= "hba_bios_version",
1288 .show
= aac_show_bios_version
,
1290 static struct device_attribute aac_lld_version
= {
1292 .name
= "driver_version",
1295 .show
= aac_show_driver_version
,
1297 static struct device_attribute aac_serial_number
= {
1299 .name
= "serial_number",
1302 .show
= aac_show_serial_number
,
1304 static struct device_attribute aac_max_channel
= {
1306 .name
= "max_channel",
1309 .show
= aac_show_max_channel
,
1311 static struct device_attribute aac_max_id
= {
1316 .show
= aac_show_max_id
,
1318 static struct device_attribute aac_reset
= {
1320 .name
= "reset_host",
1321 .mode
= S_IWUSR
|S_IRUGO
,
1323 .store
= aac_store_reset_adapter
,
1324 .show
= aac_show_reset_adapter
,
1327 static struct device_attribute
*aac_attrs
[] = {
1331 &aac_kernel_version
,
1332 &aac_monitor_version
,
1342 ssize_t
aac_get_serial_number(struct device
*device
, char *buf
)
1344 return aac_show_serial_number(device
, &aac_serial_number
, buf
);
1347 static const struct file_operations aac_cfg_fops
= {
1348 .owner
= THIS_MODULE
,
1349 .unlocked_ioctl
= aac_cfg_ioctl
,
1350 #ifdef CONFIG_COMPAT
1351 .compat_ioctl
= aac_compat_cfg_ioctl
,
1353 .open
= aac_cfg_open
,
1354 .llseek
= noop_llseek
,
1357 static struct scsi_host_template aac_driver_template
= {
1358 .module
= THIS_MODULE
,
1360 .proc_name
= AAC_DRIVERNAME
,
1363 #ifdef CONFIG_COMPAT
1364 .compat_ioctl
= aac_compat_ioctl
,
1366 .queuecommand
= aac_queuecommand
,
1367 .bios_param
= aac_biosparm
,
1368 .shost_attrs
= aac_attrs
,
1369 .slave_configure
= aac_slave_configure
,
1370 .change_queue_depth
= aac_change_queue_depth
,
1371 .sdev_attrs
= aac_dev_attrs
,
1372 .eh_abort_handler
= aac_eh_abort
,
1373 .eh_host_reset_handler
= aac_eh_reset
,
1374 .can_queue
= AAC_NUM_IO_FIB
,
1375 .this_id
= MAXIMUM_NUM_CONTAINERS
,
1378 #if (AAC_NUM_IO_FIB > 256)
1381 .cmd_per_lun
= AAC_NUM_IO_FIB
,
1383 .use_clustering
= ENABLE_CLUSTERING
,
1388 static void __aac_shutdown(struct aac_dev
* aac
)
1392 aac
->adapter_shutdown
= 1;
1393 aac_send_shutdown(aac
);
1395 if (aac
->aif_thread
) {
1397 /* Clear out events first */
1398 for (i
= 0; i
< (aac
->scsi_host_ptr
->can_queue
+ AAC_NUM_MGT_FIB
); i
++) {
1399 struct fib
*fib
= &aac
->fibs
[i
];
1400 if (!(fib
->hw_fib_va
->header
.XferState
& cpu_to_le32(NoResponseExpected
| Async
)) &&
1401 (fib
->hw_fib_va
->header
.XferState
& cpu_to_le32(ResponseExpected
)))
1402 up(&fib
->event_wait
);
1404 kthread_stop(aac
->thread
);
1406 aac_adapter_disable_int(aac
);
1407 if (aac
->pdev
->device
== PMC_DEVICE_S6
||
1408 aac
->pdev
->device
== PMC_DEVICE_S7
||
1409 aac
->pdev
->device
== PMC_DEVICE_S8
||
1410 aac
->pdev
->device
== PMC_DEVICE_S9
) {
1411 if (aac
->max_msix
> 1) {
1412 for (i
= 0; i
< aac
->max_msix
; i
++) {
1413 free_irq(pci_irq_vector(aac
->pdev
, i
),
1414 &(aac
->aac_msix
[i
]));
1417 free_irq(aac
->pdev
->irq
,
1418 &(aac
->aac_msix
[0]));
1421 free_irq(aac
->pdev
->irq
, aac
);
1424 pci_disable_msi(aac
->pdev
);
1425 else if (aac
->max_msix
> 1)
1426 pci_disable_msix(aac
->pdev
);
1428 static void aac_init_char(void)
1430 aac_cfg_major
= register_chrdev(0, "aac", &aac_cfg_fops
);
1431 if (aac_cfg_major
< 0) {
1432 pr_err("aacraid: unable to register \"aac\" device.\n");
1436 static int aac_probe_one(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
1438 unsigned index
= id
->driver_data
;
1439 struct Scsi_Host
*shost
;
1440 struct aac_dev
*aac
;
1441 struct list_head
*insert
= &aac_devices
;
1442 int error
= -ENODEV
;
1446 extern int aac_sync_mode
;
1449 * Only series 7 needs freset.
1451 if (pdev
->device
== PMC_DEVICE_S7
)
1452 pdev
->needs_freset
= 1;
1454 list_for_each_entry(aac
, &aac_devices
, entry
) {
1455 if (aac
->id
> unique_id
)
1457 insert
= &aac
->entry
;
1461 pci_disable_link_state(pdev
, PCIE_LINK_STATE_L0S
| PCIE_LINK_STATE_L1
|
1462 PCIE_LINK_STATE_CLKPM
);
1464 error
= pci_enable_device(pdev
);
1469 if (!(aac_drivers
[index
].quirks
& AAC_QUIRK_SRC
)) {
1470 error
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
1472 dev_err(&pdev
->dev
, "PCI 32 BIT dma mask set failed");
1473 goto out_disable_pdev
;
1478 * If the quirk31 bit is set, the adapter needs adapter
1479 * to driver communication memory to be allocated below 2gig
1481 if (aac_drivers
[index
].quirks
& AAC_QUIRK_31BIT
) {
1482 dmamask
= DMA_BIT_MASK(31);
1485 dmamask
= DMA_BIT_MASK(32);
1489 error
= pci_set_consistent_dma_mask(pdev
, dmamask
);
1491 dev_err(&pdev
->dev
, "PCI %d B consistent dma mask set failed\n"
1493 goto out_disable_pdev
;
1496 pci_set_master(pdev
);
1498 shost
= scsi_host_alloc(&aac_driver_template
, sizeof(struct aac_dev
));
1500 goto out_disable_pdev
;
1502 shost
->irq
= pdev
->irq
;
1503 shost
->unique_id
= unique_id
;
1504 shost
->max_cmd_len
= 16;
1505 shost
->use_cmd_list
= 1;
1507 if (aac_cfg_major
== AAC_CHARDEV_NEEDS_REINIT
)
1510 aac
= (struct aac_dev
*)shost
->hostdata
;
1511 aac
->base_start
= pci_resource_start(pdev
, 0);
1512 aac
->scsi_host_ptr
= shost
;
1514 aac
->name
= aac_driver_template
.name
;
1515 aac
->id
= shost
->unique_id
;
1516 aac
->cardtype
= index
;
1517 INIT_LIST_HEAD(&aac
->entry
);
1519 aac
->fibs
= kzalloc(sizeof(struct fib
) * (shost
->can_queue
+ AAC_NUM_MGT_FIB
), GFP_KERNEL
);
1522 spin_lock_init(&aac
->fib_lock
);
1524 mutex_init(&aac
->ioctl_mutex
);
1526 * Map in the registers from the adapter.
1528 aac
->base_size
= AAC_MIN_FOOTPRINT_SIZE
;
1529 if ((*aac_drivers
[index
].init
)(aac
))
1532 if (aac
->sync_mode
) {
1534 printk(KERN_INFO
"%s%d: Sync. mode enforced "
1535 "by driver parameter. This will cause "
1536 "a significant performance decrease!\n",
1540 printk(KERN_INFO
"%s%d: Async. mode not supported "
1541 "by current driver, sync. mode enforced."
1542 "\nPlease update driver to get full performance.\n",
1548 * Start any kernel threads needed
1550 aac
->thread
= kthread_run(aac_command_thread
, aac
, AAC_DRIVERNAME
);
1551 if (IS_ERR(aac
->thread
)) {
1552 printk(KERN_ERR
"aacraid: Unable to create command thread.\n");
1553 error
= PTR_ERR(aac
->thread
);
1558 aac
->maximum_num_channels
= aac_drivers
[index
].channels
;
1559 error
= aac_get_adapter_info(aac
);
1564 * Lets override negotiations and drop the maximum SG limit to 34
1566 if ((aac_drivers
[index
].quirks
& AAC_QUIRK_34SG
) &&
1567 (shost
->sg_tablesize
> 34)) {
1568 shost
->sg_tablesize
= 34;
1569 shost
->max_sectors
= (shost
->sg_tablesize
* 8) + 112;
1572 if ((aac_drivers
[index
].quirks
& AAC_QUIRK_17SG
) &&
1573 (shost
->sg_tablesize
> 17)) {
1574 shost
->sg_tablesize
= 17;
1575 shost
->max_sectors
= (shost
->sg_tablesize
* 8) + 112;
1578 error
= pci_set_dma_max_seg_size(pdev
,
1579 (aac
->adapter_info
.options
& AAC_OPT_NEW_COMM
) ?
1580 (shost
->max_sectors
<< 9) : 65536);
1585 * Firmware printf works only with older firmware.
1587 if (aac_drivers
[index
].quirks
& AAC_QUIRK_34SG
)
1588 aac
->printf_enabled
= 1;
1590 aac
->printf_enabled
= 0;
1593 * max channel will be the physical channels plus 1 virtual channel
1594 * all containers are on the virtual channel 0 (CONTAINER_CHANNEL)
1595 * physical channels are address by their actual physical number+1
1597 if (aac
->nondasd_support
|| expose_physicals
|| aac
->jbod
)
1598 shost
->max_channel
= aac
->maximum_num_channels
;
1600 shost
->max_channel
= 0;
1602 aac_get_config_status(aac
, 0);
1603 aac_get_containers(aac
);
1604 list_add(&aac
->entry
, insert
);
1606 shost
->max_id
= aac
->maximum_num_containers
;
1607 if (shost
->max_id
< aac
->maximum_num_physicals
)
1608 shost
->max_id
= aac
->maximum_num_physicals
;
1609 if (shost
->max_id
< MAXIMUM_NUM_CONTAINERS
)
1610 shost
->max_id
= MAXIMUM_NUM_CONTAINERS
;
1612 shost
->this_id
= shost
->max_id
;
1614 if (!aac
->sa_firmware
&& aac_drivers
[index
].quirks
& AAC_QUIRK_SRC
)
1615 aac_intr_normal(aac
, 0, 2, 0, NULL
);
1618 * dmb - we may need to move the setting of these parms somewhere else once
1619 * we get a fib that can report the actual numbers
1621 shost
->max_lun
= AAC_MAX_LUN
;
1623 pci_set_drvdata(pdev
, shost
);
1625 error
= scsi_add_host(shost
, &pdev
->dev
);
1628 scsi_scan_host(shost
);
1630 pci_enable_pcie_error_reporting(pdev
);
1631 pci_save_state(pdev
);
1636 __aac_shutdown(aac
);
1638 aac_fib_map_free(aac
);
1640 dma_free_coherent(&aac
->pdev
->dev
, aac
->comm_size
,
1641 aac
->comm_addr
, aac
->comm_phys
);
1643 aac_adapter_ioremap(aac
, 0);
1645 kfree(aac
->fsa_dev
);
1647 scsi_host_put(shost
);
1649 pci_disable_device(pdev
);
1654 static void aac_release_resources(struct aac_dev
*aac
)
1656 aac_adapter_disable_int(aac
);
1660 static int aac_acquire_resources(struct aac_dev
*dev
)
1662 unsigned long status
;
1664 * First clear out all interrupts. Then enable the one's that we
1667 while (!((status
= src_readl(dev
, MUnit
.OMR
)) & KERNEL_UP_AND_RUNNING
)
1668 || status
== 0xffffffff)
1671 aac_adapter_disable_int(dev
);
1672 aac_adapter_enable_int(dev
);
1675 if ((dev
->pdev
->device
== PMC_DEVICE_S7
||
1676 dev
->pdev
->device
== PMC_DEVICE_S8
||
1677 dev
->pdev
->device
== PMC_DEVICE_S9
))
1678 aac_define_int_mode(dev
);
1680 if (dev
->msi_enabled
)
1681 aac_src_access_devreg(dev
, AAC_ENABLE_MSIX
);
1683 if (aac_acquire_irq(dev
))
1686 aac_adapter_enable_int(dev
);
1688 /*max msix may change after EEH
1689 * Re-assign vectors to fibs
1691 aac_fib_vector_assign(dev
);
1693 if (!dev
->sync_mode
) {
1694 /* After EEH recovery or suspend resume, max_msix count
1695 * may change, therefore updating in init as well.
1697 dev
->init
->r7
.no_of_msix_vectors
= cpu_to_le32(dev
->max_msix
);
1698 aac_adapter_start(dev
);
1707 #if (defined(CONFIG_PM))
1708 static int aac_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1711 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
1712 struct aac_dev
*aac
= (struct aac_dev
*)shost
->hostdata
;
1714 scsi_block_requests(shost
);
1715 aac_send_shutdown(aac
);
1717 aac_release_resources(aac
);
1719 pci_set_drvdata(pdev
, shost
);
1720 pci_save_state(pdev
);
1721 pci_disable_device(pdev
);
1722 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
1727 static int aac_resume(struct pci_dev
*pdev
)
1729 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
1730 struct aac_dev
*aac
= (struct aac_dev
*)shost
->hostdata
;
1733 pci_set_power_state(pdev
, PCI_D0
);
1734 pci_enable_wake(pdev
, PCI_D0
, 0);
1735 pci_restore_state(pdev
);
1736 r
= pci_enable_device(pdev
);
1741 pci_set_master(pdev
);
1742 if (aac_acquire_resources(aac
))
1745 * reset this flag to unblock ioctl() as it was set at
1746 * aac_send_shutdown() to block ioctls from upperlayer
1748 aac
->adapter_shutdown
= 0;
1749 scsi_unblock_requests(shost
);
1754 printk(KERN_INFO
"%s%d: resume failed.\n", aac
->name
, aac
->id
);
1755 scsi_host_put(shost
);
1756 pci_disable_device(pdev
);
1761 static void aac_shutdown(struct pci_dev
*dev
)
1763 struct Scsi_Host
*shost
= pci_get_drvdata(dev
);
1764 scsi_block_requests(shost
);
1765 __aac_shutdown((struct aac_dev
*)shost
->hostdata
);
1768 static void aac_remove_one(struct pci_dev
*pdev
)
1770 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
1771 struct aac_dev
*aac
= (struct aac_dev
*)shost
->hostdata
;
1773 scsi_remove_host(shost
);
1775 __aac_shutdown(aac
);
1776 aac_fib_map_free(aac
);
1777 dma_free_coherent(&aac
->pdev
->dev
, aac
->comm_size
, aac
->comm_addr
,
1781 aac_adapter_ioremap(aac
, 0);
1784 kfree(aac
->fsa_dev
);
1786 list_del(&aac
->entry
);
1787 scsi_host_put(shost
);
1788 pci_disable_device(pdev
);
1789 if (list_empty(&aac_devices
)) {
1790 unregister_chrdev(aac_cfg_major
, "aac");
1791 aac_cfg_major
= AAC_CHARDEV_NEEDS_REINIT
;
1795 static void aac_flush_ios(struct aac_dev
*aac
)
1798 struct scsi_cmnd
*cmd
;
1800 for (i
= 0; i
< aac
->scsi_host_ptr
->can_queue
; i
++) {
1801 cmd
= (struct scsi_cmnd
*)aac
->fibs
[i
].callback_data
;
1802 if (cmd
&& (cmd
->SCp
.phase
== AAC_OWNER_FIRMWARE
)) {
1803 scsi_dma_unmap(cmd
);
1805 if (aac
->handle_pci_error
)
1806 cmd
->result
= DID_NO_CONNECT
<< 16;
1808 cmd
->result
= DID_RESET
<< 16;
1810 cmd
->scsi_done(cmd
);
1815 static pci_ers_result_t
aac_pci_error_detected(struct pci_dev
*pdev
,
1816 enum pci_channel_state error
)
1818 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
1819 struct aac_dev
*aac
= shost_priv(shost
);
1821 dev_err(&pdev
->dev
, "aacraid: PCI error detected %x\n", error
);
1824 case pci_channel_io_normal
:
1825 return PCI_ERS_RESULT_CAN_RECOVER
;
1826 case pci_channel_io_frozen
:
1827 aac
->handle_pci_error
= 1;
1829 scsi_block_requests(aac
->scsi_host_ptr
);
1831 aac_release_resources(aac
);
1833 pci_disable_pcie_error_reporting(pdev
);
1834 aac_adapter_ioremap(aac
, 0);
1836 return PCI_ERS_RESULT_NEED_RESET
;
1837 case pci_channel_io_perm_failure
:
1838 aac
->handle_pci_error
= 1;
1841 return PCI_ERS_RESULT_DISCONNECT
;
1844 return PCI_ERS_RESULT_NEED_RESET
;
1847 static pci_ers_result_t
aac_pci_mmio_enabled(struct pci_dev
*pdev
)
1849 dev_err(&pdev
->dev
, "aacraid: PCI error - mmio enabled\n");
1850 return PCI_ERS_RESULT_NEED_RESET
;
1853 static pci_ers_result_t
aac_pci_slot_reset(struct pci_dev
*pdev
)
1855 dev_err(&pdev
->dev
, "aacraid: PCI error - slot reset\n");
1856 pci_restore_state(pdev
);
1857 if (pci_enable_device(pdev
)) {
1858 dev_warn(&pdev
->dev
,
1859 "aacraid: failed to enable slave\n");
1863 pci_set_master(pdev
);
1865 if (pci_enable_device_mem(pdev
)) {
1866 dev_err(&pdev
->dev
, "pci_enable_device_mem failed\n");
1870 return PCI_ERS_RESULT_RECOVERED
;
1873 dev_err(&pdev
->dev
, "aacraid: PCI error - slot reset failed\n");
1874 return PCI_ERS_RESULT_DISCONNECT
;
1878 static void aac_pci_resume(struct pci_dev
*pdev
)
1880 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
1881 struct scsi_device
*sdev
= NULL
;
1882 struct aac_dev
*aac
= (struct aac_dev
*)shost_priv(shost
);
1884 pci_cleanup_aer_uncorrect_error_status(pdev
);
1886 if (aac_adapter_ioremap(aac
, aac
->base_size
)) {
1888 dev_err(&pdev
->dev
, "aacraid: ioremap failed\n");
1889 /* remap failed, go back ... */
1890 aac
->comm_interface
= AAC_COMM_PRODUCER
;
1891 if (aac_adapter_ioremap(aac
, AAC_MIN_FOOTPRINT_SIZE
)) {
1892 dev_warn(&pdev
->dev
,
1893 "aacraid: unable to map adapter.\n");
1901 aac_acquire_resources(aac
);
1904 * reset this flag to unblock ioctl() as it was set
1905 * at aac_send_shutdown() to block ioctls from upperlayer
1907 aac
->adapter_shutdown
= 0;
1908 aac
->handle_pci_error
= 0;
1910 shost_for_each_device(sdev
, shost
)
1911 if (sdev
->sdev_state
== SDEV_OFFLINE
)
1912 sdev
->sdev_state
= SDEV_RUNNING
;
1913 scsi_unblock_requests(aac
->scsi_host_ptr
);
1914 scsi_scan_host(aac
->scsi_host_ptr
);
1915 pci_save_state(pdev
);
1917 dev_err(&pdev
->dev
, "aacraid: PCI error - resume\n");
1920 static struct pci_error_handlers aac_pci_err_handler
= {
1921 .error_detected
= aac_pci_error_detected
,
1922 .mmio_enabled
= aac_pci_mmio_enabled
,
1923 .slot_reset
= aac_pci_slot_reset
,
1924 .resume
= aac_pci_resume
,
1927 static struct pci_driver aac_pci_driver
= {
1928 .name
= AAC_DRIVERNAME
,
1929 .id_table
= aac_pci_tbl
,
1930 .probe
= aac_probe_one
,
1931 .remove
= aac_remove_one
,
1932 #if (defined(CONFIG_PM))
1933 .suspend
= aac_suspend
,
1934 .resume
= aac_resume
,
1936 .shutdown
= aac_shutdown
,
1937 .err_handler
= &aac_pci_err_handler
,
1940 static int __init
aac_init(void)
1944 printk(KERN_INFO
"Adaptec %s driver %s\n",
1945 AAC_DRIVERNAME
, aac_driver_version
);
1947 error
= pci_register_driver(&aac_pci_driver
);
1957 static void __exit
aac_exit(void)
1959 if (aac_cfg_major
> -1)
1960 unregister_chrdev(aac_cfg_major
, "aac");
1961 pci_unregister_driver(&aac_pci_driver
);
1964 module_init(aac_init
);
1965 module_exit(aac_exit
);