| /* |
| * 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 */ |