spinlock_types.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __ASM_SPINLOCK_TYPES_H
 3#define __ASM_SPINLOCK_TYPES_H
 4
 5#ifndef __LINUX_SPINLOCK_TYPES_RAW_H
 6# error "Please do not include this file directly."
 7#endif
 8
 9#define TICKET_SHIFT	16
10
11typedef struct {
12	union {
13		u32 slock;
14		struct __raw_tickets {
15#ifdef __ARMEB__
16			u16 next;
17			u16 owner;
18#else
19			u16 owner;
20			u16 next;
21#endif
22		} tickets;
23	};
24} arch_spinlock_t;
25
26#define __ARCH_SPIN_LOCK_UNLOCKED	{ { 0 } }
27
28typedef struct {
29	u32 lock;
30} arch_rwlock_t;
31
32#define __ARCH_RW_LOCK_UNLOCKED		{ 0 }
33
34#endif