1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
/*
* vlock.h - simple voting lock implementation
*
* Created by: Dave Martin, 2012-08-16
* Copyright: (C) 2012-2013 Linaro Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __VLOCK_H
#define __VLOCK_H
#include <asm/mcpm.h>
/* Offsets and sizes are rounded to a word (4 bytes) */
#define VLOCK_OWNER_OFFSET 0
#define VLOCK_VOTING_OFFSET 4
#define VLOCK_VOTING_SIZE ((MAX_CPUS_PER_CLUSTER + 3) / 4 * 4)
#define VLOCK_SIZE (VLOCK_VOTING_OFFSET + VLOCK_VOTING_SIZE)
#define VLOCK_OWNER_NONE 0
#endif /* ! __VLOCK_H */
|
