From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/arm/common/vlock.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 arch/arm/common/vlock.h (limited to 'arch/arm/common/vlock.h') diff --git a/arch/arm/common/vlock.h b/arch/arm/common/vlock.h new file mode 100644 index 00000000..3b441475 --- /dev/null +++ b/arch/arm/common/vlock.h @@ -0,0 +1,29 @@ +/* + * 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 + +/* 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 */ -- cgit v1.3.1