11802d0beSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 29762f12dSDave Martin /* 39762f12dSDave Martin * vlock.h - simple voting lock implementation 49762f12dSDave Martin * 59762f12dSDave Martin * Created by: Dave Martin, 2012-08-16 69762f12dSDave Martin * Copyright: (C) 2012-2013 Linaro Limited 79762f12dSDave Martin */ 89762f12dSDave Martin 99762f12dSDave Martin #ifndef __VLOCK_H 109762f12dSDave Martin #define __VLOCK_H 119762f12dSDave Martin 129762f12dSDave Martin #include <asm/mcpm.h> 139762f12dSDave Martin 149762f12dSDave Martin /* Offsets and sizes are rounded to a word (4 bytes) */ 159762f12dSDave Martin #define VLOCK_OWNER_OFFSET 0 169762f12dSDave Martin #define VLOCK_VOTING_OFFSET 4 179762f12dSDave Martin #define VLOCK_VOTING_SIZE ((MAX_CPUS_PER_CLUSTER + 3) / 4 * 4) 189762f12dSDave Martin #define VLOCK_SIZE (VLOCK_VOTING_OFFSET + VLOCK_VOTING_SIZE) 199762f12dSDave Martin #define VLOCK_OWNER_NONE 0 209762f12dSDave Martin 219762f12dSDave Martin #endif /* ! __VLOCK_H */ 22