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