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