diff options
Diffstat (limited to 'arch/x86/include/asm/sev.h')
| -rw-r--r-- | arch/x86/include/asm/sev.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h index fa2864eb3e20..875c7669ba95 100644 --- a/arch/x86/include/asm/sev.h +++ b/arch/x86/include/asm/sev.h @@ -534,6 +534,7 @@ int snp_svsm_vtpm_send_command(u8 *buffer); void __init snp_secure_tsc_prepare(void); void __init snp_secure_tsc_init(void); enum es_result savic_register_gpa(u64 gpa); +u64 savic_ghcb_msr_read(u32 reg); void savic_ghcb_msr_write(u32 reg, u64 value); static __always_inline void vc_ghcb_invalidate(struct ghcb *ghcb) @@ -609,6 +610,7 @@ static inline void __init snp_secure_tsc_prepare(void) { } static inline void __init snp_secure_tsc_init(void) { } static inline enum es_result savic_register_gpa(u64 gpa) { return ES_UNSUPPORTED; } static inline void savic_ghcb_msr_write(u32 reg, u64 value) { } +static inline u64 savic_ghcb_msr_read(u32 reg) { return 0; } #endif /* CONFIG_AMD_MEM_ENCRYPT */ |