diff options
Diffstat (limited to 'drivers/scsi/isci/timers.h')
-rw-r--r-- | drivers/scsi/isci/timers.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/drivers/scsi/isci/timers.h b/drivers/scsi/isci/timers.h new file mode 100644 index 000000000000..ca5c2159a1c2 --- /dev/null +++ b/drivers/scsi/isci/timers.h | |||
@@ -0,0 +1,126 @@ | |||
1 | /* | ||
2 | * This file is provided under a dual BSD/GPLv2 license. When using or | ||
3 | * redistributing this file, you may do so under either license. | ||
4 | * | ||
5 | * GPL LICENSE SUMMARY | ||
6 | * | ||
7 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of version 2 of the GNU General Public License as | ||
11 | * published by the Free Software Foundation. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, but | ||
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | ||
21 | * The full GNU General Public License is included in this distribution | ||
22 | * in the file called LICENSE.GPL. | ||
23 | * | ||
24 | * BSD LICENSE | ||
25 | * | ||
26 | * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. | ||
27 | * All rights reserved. | ||
28 | * | ||
29 | * Redistribution and use in source and binary forms, with or without | ||
30 | * modification, are permitted provided that the following conditions | ||
31 | * are met: | ||
32 | * | ||
33 | * * Redistributions of source code must retain the above copyright | ||
34 | * notice, this list of conditions and the following disclaimer. | ||
35 | * * Redistributions in binary form must reproduce the above copyright | ||
36 | * notice, this list of conditions and the following disclaimer in | ||
37 | * the documentation and/or other materials provided with the | ||
38 | * distribution. | ||
39 | * * Neither the name of Intel Corporation nor the names of its | ||
40 | * contributors may be used to endorse or promote products derived | ||
41 | * from this software without specific prior written permission. | ||
42 | * | ||
43 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
44 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
45 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
46 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
47 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
48 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
49 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
50 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
51 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
52 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
53 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
54 | */ | ||
55 | |||
56 | #if !defined(_SCI_TIMER_H_) | ||
57 | #define _SCI_TIMER_H_ | ||
58 | |||
59 | #include <linux/timer.h> | ||
60 | #include <linux/types.h> | ||
61 | |||
62 | /*************************************************** | ||
63 | * isci_timer | ||
64 | *************************************************** | ||
65 | */ | ||
66 | /** | ||
67 | * struct isci_timer_list - This class is the container for all isci_timer | ||
68 | * objects | ||
69 | * | ||
70 | * | ||
71 | */ | ||
72 | struct isci_timer_list { | ||
73 | |||
74 | struct list_head timers; | ||
75 | }; | ||
76 | |||
77 | /** | ||
78 | * struct isci_timer - This class represents the timer object used by SCIC. It | ||
79 | * wraps the Linux timer_list object. | ||
80 | * | ||
81 | * | ||
82 | */ | ||
83 | struct isci_timer { | ||
84 | int used; | ||
85 | int stopped; | ||
86 | int restart; | ||
87 | int timeout_value; | ||
88 | void *cookie; | ||
89 | void (*timer_callback)(void *); | ||
90 | struct list_head node; | ||
91 | struct timer_list timer; | ||
92 | struct isci_timer_list *parent; | ||
93 | struct isci_host *isci_host; | ||
94 | }; | ||
95 | |||
96 | #define to_isci_timer(t) \ | ||
97 | container_of(t, struct isci_timer, timer); | ||
98 | |||
99 | int isci_timer_list_construct( | ||
100 | struct isci_timer_list *isci_timer_list, | ||
101 | int timer_list_size); | ||
102 | |||
103 | |||
104 | int isci_timer_list_destroy( | ||
105 | struct isci_timer_list *isci_timer_list); | ||
106 | |||
107 | struct isci_timer *isci_timer_create( | ||
108 | struct isci_timer_list *isci_timer_list, | ||
109 | struct isci_host *isci_host, | ||
110 | void *cookie, | ||
111 | void (*timer_callback)(void *)); | ||
112 | |||
113 | void isci_timer_free( | ||
114 | struct isci_timer_list *isci_timer_list, | ||
115 | struct isci_timer *isci_timer); | ||
116 | |||
117 | void isci_timer_start( | ||
118 | struct isci_timer *isci_timer, | ||
119 | unsigned long timeout); | ||
120 | |||
121 | void isci_timer_stop( | ||
122 | struct isci_timer *isci_timer); | ||
123 | |||
124 | |||
125 | #endif /* !defined (_SCI_TIMER_H_) */ | ||
126 | |||