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
10 extern struct vdso_data *vdso_data;
11 extern struct vdso_rng_data *vdso_rng_data;
12
13 /*
14 * Update the vDSO data page to keep in sync with kernel timekeeping.
15 */
16 static __always_inline
17 struct vdso_data *__loongarch_get_k_vdso_data(void)
18 {
19 return vdso_data;
20 }
21 #define __arch_get_k_vdso_data __loongarch_get_k_vdso_data
22
23 static __always_inline
24 struct vdso_rng_data *__loongarch_get_k_vdso_rng_data(void)
25 {
26 return vdso_rng_data;
27 }
28 #define __arch_get_k_vdso_rng_data __loongarch_get_k_vdso_rng_data
29
30 /* The asm-generic header needs to be included after the definitions above */
31 #include <asm-generic/vdso/vsyscall.h>
32
33 #endif /* !__ASSEMBLY__ */
34
35 #endif /* __ASM_VDSO_VSYSCALL_H */
36
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