xref: /linux/arch/x86/include/asm/vdso/vsyscall.h (revision c7546e2c3cb739a3c1a2f5acaf9bb629d401afe5)
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 /*
13  * Update the vDSO data page to keep in sync with kernel timekeeping.
14  */
15 static __always_inline
16 struct vdso_data *__x86_get_k_vdso_data(void)
17 {
18 	return _vdso_data;
19 }
20 #define __arch_get_k_vdso_data __x86_get_k_vdso_data
21 
22 static __always_inline
23 struct vdso_rng_data *__x86_get_k_vdso_rng_data(void)
24 {
25 	return &_vdso_rng_data;
26 }
27 #define __arch_get_k_vdso_rng_data __x86_get_k_vdso_rng_data
28 
29 /* The asm-generic header needs to be included after the definitions above */
30 #include <asm-generic/vdso/vsyscall.h>
31 
32 #endif /* !__ASSEMBLY__ */
33 
34 #endif /* __ASM_VDSO_VSYSCALL_H */
35