36 lines
728 B
C
36 lines
728 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_S390_ABS_LOWCORE_H
|
|
#define _ASM_S390_ABS_LOWCORE_H
|
|
|
|
#include <asm/sections.h>
|
|
#include <asm/lowcore.h>
|
|
|
|
#define ABS_LOWCORE_MAP_SIZE (NR_CPUS * sizeof(struct lowcore))
|
|
|
|
extern unsigned long __abs_lowcore;
|
|
|
|
int abs_lowcore_map(int cpu, struct lowcore *lc, bool alloc);
|
|
void abs_lowcore_unmap(int cpu);
|
|
|
|
static inline struct lowcore *get_abs_lowcore(void)
|
|
{
|
|
int cpu;
|
|
|
|
cpu = get_cpu();
|
|
return ((struct lowcore *)__abs_lowcore) + cpu;
|
|
}
|
|
|
|
static inline void put_abs_lowcore(struct lowcore *lc)
|
|
{
|
|
put_cpu();
|
|
}
|
|
|
|
extern int __bootdata_preserved(relocate_lowcore);
|
|
|
|
static inline int have_relocated_lowcore(void)
|
|
{
|
|
return relocate_lowcore;
|
|
}
|
|
|
|
#endif /* _ASM_S390_ABS_LOWCORE_H */
|