1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_IA64_SPINLOCK_TYPES_H 3#define _ASM_IA64_SPINLOCK_TYPES_H 4 5#ifndef __LINUX_SPINLOCK_TYPES_H 6# error "please don't include this file directly" 7#endif 8 9typedef struct { 10 volatile unsigned int lock; 11} arch_spinlock_t; 12 13#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } 14 15typedef struct { 16 volatile unsigned int read_counter : 31; 17 volatile unsigned int write_lock : 1; 18} arch_rwlock_t; 19 20#define __ARCH_RW_LOCK_UNLOCKED { 0, 0 } 21 22#endif 23