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1 /*
2  * Copyright © 2013 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 
25 #ifndef RC6_H
26 #define RC6_H
27 
28 #include <stdint.h>
29 
30 struct rc6 {
31 	struct rc6_stat {
32 		uint64_t rc6_residency;
33 		uint64_t rc6p_residency;
34 		uint64_t rc6pp_residency;
35 		uint64_t timestamp;
36 	} stat[2];
37 
38 	int fd;
39 	int count;
40 	int error;
41 
42 	unsigned flags;
43 
44 	uint8_t rc6;
45 	uint8_t rc6p;
46 	uint8_t rc6pp;
47 	uint8_t rc6_combined;
48 };
49 
50 int rc6_init(struct rc6 *rc6);
51 int rc6_update(struct rc6 *rc6);
52 
53 #endif /* RC6_H */
54