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Diffstat (limited to 'arch/arm/common/vlock.h')
| -rw-r--r-- | arch/arm/common/vlock.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/common/vlock.h b/arch/arm/common/vlock.h new file mode 100644 index 000000000..422429781 --- /dev/null +++ b/arch/arm/common/vlock.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * vlock.h - simple voting lock implementation + * + * Created by: Dave Martin, 2012-08-16 + * Copyright: (C) 2012-2013 Linaro Limited + */ + +#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 */ |