1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * vlock.h - simple voting lock implementation 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Created by: Dave Martin, 2012-08-16 6*4882a593Smuzhiyun * Copyright: (C) 2012-2013 Linaro Limited 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __VLOCK_H 10*4882a593Smuzhiyun #define __VLOCK_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <asm/mcpm.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* Offsets and sizes are rounded to a word (4 bytes) */ 15*4882a593Smuzhiyun #define VLOCK_OWNER_OFFSET 0 16*4882a593Smuzhiyun #define VLOCK_VOTING_OFFSET 4 17*4882a593Smuzhiyun #define VLOCK_VOTING_SIZE ((MAX_CPUS_PER_CLUSTER + 3) / 4 * 4) 18*4882a593Smuzhiyun #define VLOCK_SIZE (VLOCK_VOTING_OFFSET + VLOCK_VOTING_SIZE) 19*4882a593Smuzhiyun #define VLOCK_OWNER_NONE 0 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #endif /* ! __VLOCK_H */ 22