b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |