1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_VDSO_VSYSCALL_H
3 #define __ASM_VDSO_VSYSCALL_H
4
5 #ifndef __ASSEMBLY__
6
7 #include <linux/timekeeper_internal.h>
8 #include <vdso/datapage.h>
9 #include <asm/vgtod.h>
10 #include <asm/vvar.h>
11
12 DEFINE_VVAR(struct vdso_data, _vdso_data);
13 DEFINE_VVAR_SINGLE(struct vdso_rng_data, _vdso_rng_data);
14
15 /*
16 * Update the vDSO data page to keep in sync with kernel timekeeping.
17 */
18 static __always_inline
19 struct vdso_data *__x86_get_k_vdso_data(void)
20 {
21 return _vdso_data;
22 }
23 #define __arch_get_k_vdso_data __x86_get_k_vdso_data
24
25 /* The asm-generic header needs to be included after the definitions above */
26 #include <asm-generic/vdso/vsyscall.h>
27
28 #endif /* !__ASSEMBLY__ */
29
30 #endif /* __ASM_VDSO_VSYSCALL_H */
31
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