| /* 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 */ |
