[mirror_ubuntu-eoan-kernel.git] / arch / ia64 / include / asm / spinlock_types.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_IA64_SPINLOCK_TYPES_H
#define _ASM_IA64_SPINLOCK_TYPES_H

#ifndef __LINUX_SPINLOCK_TYPES_H
# error "please don't include this file directly"
#endif

typedef struct {
	volatile unsigned int lock;
} arch_spinlock_t;

#define __ARCH_SPIN_LOCK_UNLOCKED	{ 0 }

typedef struct {
	volatile unsigned int read_counter	: 31;
	volatile unsigned int write_lock	:  1;
} arch_rwlock_t;

#define __ARCH_RW_LOCK_UNLOCKED		{ 0, 0 }

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
fb1c8f93 IM	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
	9	typedef struct {
9d40ee20	10	volatile unsigned int lock;
445c8951	11	} arch_spinlock_t;
fb1c8f93	12
edc35bd7	13	#define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
fb1c8f93 IM	14
	15	typedef struct {
	16	volatile unsigned int read_counter : 31;
	17	volatile unsigned int write_lock : 1;
fb3a6bbc	18	} arch_rwlock_t;
fb1c8f93	19
fb3a6bbc	20	#define __ARCH_RW_LOCK_UNLOCKED { 0, 0 }
fb1c8f93 IM	21
fb1c8f93 IM	22	#endif