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