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
9 typedef struct {
10 volatile unsigned int lock;
11 } arch_spinlock_t;
12
13 #define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
14
15 typedef 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