File: abs_lowcore.h

package info (click to toggle)
linux 6.12.74-2
  • links: PTS, VCS
  • area: main
  • in suites: trixie-proposed-updates
  • size: 1,676,684 kB
  • sloc: ansic: 25,916,285; asm: 269,658; sh: 136,658; python: 65,456; makefile: 55,721; perl: 37,753; xml: 19,284; cpp: 5,895; yacc: 4,927; lex: 2,939; awk: 1,594; sed: 28; ruby: 25
file content (35 lines) | stat: -rw-r--r-- 728 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* 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 */