1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __S390_VDSO_H__
3#define __S390_VDSO_H__
4
5#include <vdso/datapage.h>
6
7#ifndef __ASSEMBLY__
8
9#include <generated/vdso64-offsets.h>
10#ifdef CONFIG_COMPAT
11#include <generated/vdso32-offsets.h>
12#endif
13
14#define VDSO64_SYMBOL(tsk, name) ((tsk)->mm->context.vdso_base + (vdso64_offset_##name))
15#ifdef CONFIG_COMPAT
16#define VDSO32_SYMBOL(tsk, name) ((tsk)->mm->context.vdso_base + (vdso32_offset_##name))
17#else
18#define VDSO32_SYMBOL(tsk, name) (-1UL)
19#endif
20
21extern struct vdso_data *vdso_data;
22
23int vdso_getcpu_init(void);
24
25#endif /* __ASSEMBLY__ */
26
27/* Default link address for the vDSO */
28#define VDSO_LBASE	0
29
30#define __VVAR_PAGES	2
31
32#define VDSO_VERSION_STRING	LINUX_2.6.29
33
34#endif /* __S390_VDSO_H__ */
35