1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * vlock.h - simple voting lock implementation |
4 | * |
5 | * Created by: Dave Martin, 2012-08-16 |
6 | * Copyright: (C) 2012-2013 Linaro Limited |
7 | */ |
8 | |
9 | #ifndef __VLOCK_H |
10 | #define __VLOCK_H |
11 | |
12 | #include <asm/mcpm.h> |
13 | |
14 | /* Offsets and sizes are rounded to a word (4 bytes) */ |
15 | #define VLOCK_OWNER_OFFSET 0 |
16 | #define VLOCK_VOTING_OFFSET 4 |
17 | #define VLOCK_VOTING_SIZE ((MAX_CPUS_PER_CLUSTER + 3) / 4 * 4) |
18 | #define VLOCK_SIZE (VLOCK_VOTING_OFFSET + VLOCK_VOTING_SIZE) |
19 | #define VLOCK_OWNER_NONE 0 |
20 | |
21 | #endif /* ! __VLOCK_H */ |
22 | |