vlock.h 538 B

123456789101112131415161718192021
  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. #ifndef __VLOCK_H
  9. #define __VLOCK_H
  10. #include <asm/mcpm.h>
  11. /* Offsets and sizes are rounded to a word (4 bytes) */
  12. #define VLOCK_OWNER_OFFSET 0
  13. #define VLOCK_VOTING_OFFSET 4
  14. #define VLOCK_VOTING_SIZE ((MAX_CPUS_PER_CLUSTER + 3) / 4 * 4)
  15. #define VLOCK_SIZE (VLOCK_VOTING_OFFSET + VLOCK_VOTING_SIZE)
  16. #define VLOCK_OWNER_NONE 0
  17. #endif /* ! __VLOCK_H */