42 lines
971 B
C
42 lines
971 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __ASM_VDSO_VSYSCALL_H
|
|
#define __ASM_VDSO_VSYSCALL_H
|
|
|
|
#define __VDSO_RND_DATA_OFFSET 640
|
|
#define __VVAR_PAGES 4
|
|
|
|
#define VDSO_NR_VCLOCK_PAGES 2
|
|
#define VDSO_PAGE_PVCLOCK_OFFSET 0
|
|
#define VDSO_PAGE_HVCLOCK_OFFSET 1
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <vdso/datapage.h>
|
|
#include <asm/vgtod.h>
|
|
|
|
extern struct vdso_data *vdso_data;
|
|
|
|
/*
|
|
* Update the vDSO data page to keep in sync with kernel timekeeping.
|
|
*/
|
|
static __always_inline
|
|
struct vdso_data *__x86_get_k_vdso_data(void)
|
|
{
|
|
return vdso_data;
|
|
}
|
|
#define __arch_get_k_vdso_data __x86_get_k_vdso_data
|
|
|
|
static __always_inline
|
|
struct vdso_rng_data *__x86_get_k_vdso_rng_data(void)
|
|
{
|
|
return (void *)vdso_data + __VDSO_RND_DATA_OFFSET;
|
|
}
|
|
#define __arch_get_k_vdso_rng_data __x86_get_k_vdso_rng_data
|
|
|
|
/* The asm-generic header needs to be included after the definitions above */
|
|
#include <asm-generic/vdso/vsyscall.h>
|
|
|
|
#endif /* !__ASSEMBLY__ */
|
|
|
|
#endif /* __ASM_VDSO_VSYSCALL_H */
|