1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_S390_ABS_LOWCORE_H
 3#define _ASM_S390_ABS_LOWCORE_H
 4
 5#include <asm/lowcore.h>
 6
 7#define ABS_LOWCORE_MAP_SIZE	(NR_CPUS * sizeof(struct lowcore))
 8
 9extern unsigned long __abs_lowcore;
10
11int abs_lowcore_map(int cpu, struct lowcore *lc, bool alloc);
12void abs_lowcore_unmap(int cpu);
13
14static inline struct lowcore *get_abs_lowcore(void)
15{
16	int cpu;
17
18	cpu = get_cpu();
19	return ((struct lowcore *)__abs_lowcore) + cpu;
20}
21
22static inline void put_abs_lowcore(struct lowcore *lc)
23{
24	put_cpu();
25}
26
27#endif /* _ASM_S390_ABS_LOWCORE_H */