diff --git a/arch/x86/include/asm/sev-common.h b/arch/x86/include/asm/sev-common.h
index 11b7d9cea775..23929a3010df 100644
--- a/arch/x86/include/asm/sev-common.h
+++ b/arch/x86/include/asm/sev-common.h

@@ -45,6 +45,15 @@
 		(((unsigned long)reg & GHCB_MSR_CPUID_REG_MASK) << GHCB_MSR_CPUID_REG_POS) | \
 		(((unsigned long)fn) << GHCB_MSR_CPUID_FUNC_POS))
 
+/* GHCB Hypervisor Feature Request */
+#define GHCB_MSR_HV_FT_REQ	0x080
+#define GHCB_MSR_HV_FT_RESP	0x081
+#define GHCB_MSR_HV_FT_POS	12
+#define GHCB_MSR_HV_FT_MASK	GENMASK_ULL(51, 0)
+
+#define GHCB_MSR_HV_FT_RESP_VAL(v)	\
+	(((unsigned long)((v) >> GHCB_MSR_HV_FT_POS) & GHCB_MSR_HV_FT_MASK))

@@ -215,6 +216,7 @@
 	{ SVM_VMGEXIT_NMI_COMPLETE,	"vmgexit_nmi_complete" }, \
 	{ SVM_VMGEXIT_AP_HLT_LOOP,	"vmgexit_ap_hlt_loop" }, \
 	{ SVM_VMGEXIT_AP_JUMP_TABLE,	"vmgexit_ap_jump_table" }, \
+	{ SVM_VMGEXIT_HYPERVISOR_FEATURES,	"vmgexit_hypervisor_feature" }, \

 	{ SVM_EXIT_ERR,         "invalid_guest_state" }
 
 

diff --git a/arch/x86/kernel/sev-shared.c b/arch/x86/kernel/sev-shared.c
index 19c2306ac02d..34821da5f05e 100644
--- a/arch/x86/kernel/sev-shared.c
+++ b/arch/x86/kernel/sev-shared.c

@@ -23,6 +23,9 @@
  */
 static u16 ghcb_version __section(".data..ro_after_init");
 
+/* Bitmap of SEV features supported by the hypervisor */
+u64 sev_hv_features __section(".data..ro_after_init") = 0;

diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c
index 66b7f63ad041..540b81ac54c9 100644
--- a/arch/x86/kernel/sev.c
+++ b/arch/x86/kernel/sev.c

@@ -96,6 +96,9 @@ struct ghcb_state {
 static DEFINE_PER_CPU(struct sev_es_runtime_data*, runtime_data);
 DEFINE_STATIC_KEY_FALSE(sev_es_enable_key);
 
+/* Bitmap of SEV features supported by the hypervisor */
+EXPORT_SYMBOL(sev_hv_features);