diff --git a/arch/x86/include/asm/fsp/fsp_hob.h b/arch/x86/include/asm/fsp/fsp_hob.h
index 3bb79c4..d248520 100644
--- a/arch/x86/include/asm/fsp/fsp_hob.h
+++ b/arch/x86/include/asm/fsp/fsp_hob.h
@@ -69,6 +69,10 @@
 	EFI_GUID(0x721acf02, 0x4d77, 0x4c2a, \
 		0xb3, 0xdc, 0x27, 0x0b, 0x7b, 0xa9, 0xe4, 0xb0)
 
+#define FSP_VARIABLE_NV_DATA_HOB_GUID \
+	EFI_GUID(0xa034147d, 0x690c, 0x4154, \
+		0x8d, 0xe6, 0xc0, 0x44, 0x64, 0x1d, 0xe9, 0x42)
+
 #define FSP_BOOTLOADER_TEMP_MEM_HOB_GUID \
 	EFI_GUID(0xbbcff46c, 0xc8d3, 0x4113, \
 		0x89, 0x85, 0xb9, 0xd4, 0xf3, 0xb3, 0xf6, 0x4e)
diff --git a/arch/x86/include/asm/fsp/fsp_support.h b/arch/x86/include/asm/fsp/fsp_support.h
index 8dea2e7..4ac27d2 100644
--- a/arch/x86/include/asm/fsp/fsp_support.h
+++ b/arch/x86/include/asm/fsp/fsp_support.h
@@ -104,6 +104,18 @@
 void *fsp_get_nvs_data(const void *hob_list, u32 *len);
 
 /**
+ * fsp_get_var_nvs_data() - get FSP variable Non-volatile Storage HOB buffer
+ *
+ * @hob_list:      A HOB list pointer.
+ * @len:           A pointer to the NVS data buffer length.
+ *                 If the HOB is located, the length will be updated.
+ *
+ * @return NULL:   Failed to find the NVS HOB.
+ * @return others: FSP NVS data buffer pointer.
+ */
+void *fsp_get_var_nvs_data(const void *hob_list, u32 *len);
+
+/**
  * fsp_get_graphics_info() - retrieves graphics information.
  *
  * @hob_list:      A HOB list pointer.