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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 */