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kernel/linux-imx6_3.14.28/arch/arm/common/vlock.h 933 Bytes
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  /*
   * 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 */