xref: /linux/arch/s390/include/asm/vdso/vsyscall.h (revision 3fd6c59042dbba50391e30862beac979491145fe)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_VDSO_VSYSCALL_H
3 #define __ASM_VDSO_VSYSCALL_H
4 
5 #define __VDSO_RND_DATA_OFFSET	768
6 
7 #ifndef __ASSEMBLY__
8 
9 #include <linux/hrtimer.h>
10 #include <vdso/datapage.h>
11 #include <asm/vdso.h>
12 
13 enum vvar_pages {
14 	VVAR_DATA_PAGE_OFFSET,
15 	VVAR_TIMENS_PAGE_OFFSET,
16 	VVAR_NR_PAGES
17 };
18 
__s390_get_k_vdso_data(void)19 static __always_inline struct vdso_data *__s390_get_k_vdso_data(void)
20 {
21 	return vdso_data;
22 }
23 #define __arch_get_k_vdso_data __s390_get_k_vdso_data
24 
__s390_get_k_vdso_rnd_data(void)25 static __always_inline struct vdso_rng_data *__s390_get_k_vdso_rnd_data(void)
26 {
27 	return (void *)vdso_data + __VDSO_RND_DATA_OFFSET;
28 }
29 #define __arch_get_k_vdso_rng_data __s390_get_k_vdso_rnd_data
30 
31 /* The asm-generic header needs to be included after the definitions above */
32 #include <asm-generic/vdso/vsyscall.h>
33 
34 #endif /* !__ASSEMBLY__ */
35 
36 #endif /* __ASM_VDSO_VSYSCALL_H */
37