1 files changed, 14 insertions, 15 deletions
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsBoot.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsBoot.c
index a903ad08d6..f5e7a153cc 100644
--- a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsBoot.c
+++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsBoot.c
@@ -1531,22 +1531,21 @@ BdsLibNetworkBootWithMediaPresent (
 
   @param  DevicePath                      The bootable device Path to check
 
-  @retval BDS_EFI_MEDIA_HD_BOOT           If the device path contains any media device path node, it is media boot type
-                                          For the floppy node, handle it as media node
-  @retval BDS_EFI_MEDIA_CDROM_BOOT        If the device path contains any media device path node, it is media boot type
-                                          For the floppy node, handle it as media node
-  @retval BDS_EFI_ACPI_FLOPPY_BOOT        If the device path contains any media device path node, it is media boot type
-                                          For the floppy node, handle it as media node
-  @retval BDS_EFI_MESSAGE_ATAPI_BOOT      If the device path not contains any media device path node,  and
-                                          its last device path node point to a message device path node, it is
-  
-  @retval BDS_EFI_MESSAGE_SCSI_BOOT       If the device path not contains any media device path node,  and
-                                          its last device path node point to a message device path node, it is
-  @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If the device path not contains any media device path node,  and
-                                          its last device path node point to a message device path node, it is
+  @retval BDS_EFI_MEDIA_HD_BOOT           If given device path contains MEDIA_DEVICE_PATH type device path node 
+                                          which subtype is MEDIA_HARDDRIVE_DP
+  @retval BDS_EFI_MEDIA_CDROM_BOOT        If given device path contains MEDIA_DEVICE_PATH type device path node
+                                          which subtype is MEDIA_CDROM_DP
+  @retval BDS_EFI_ACPI_FLOPPY_BOOT        If given device path contains ACPI_DEVICE_PATH type device path node
+                                          which HID is floppy device.
+  @retval BDS_EFI_MESSAGE_ATAPI_BOOT      If given device path contains MESSAGING_DEVICE_PATH type device path node
+                                          and its last device path node's subtype is MSG_ATAPI_DP.
+  @retval BDS_EFI_MESSAGE_SCSI_BOOT       If given device path contains MESSAGING_DEVICE_PATH type device path node
+                                          and its last device path node's subtype is MSG_SCSI_DP.
+  @retval BDS_EFI_MESSAGE_USB_DEVICE_BOOT If given device path contains MESSAGING_DEVICE_PATH type device path node
+                                          and its last device path node's subtype is MSG_USB_DP.
   @retval BDS_EFI_MESSAGE_MISC_BOOT       If the device path not contains any media device path node,  and
-                                          its last device path node point to a message device path node, it is
-  @retval BDS_LEGACY_BBS_BOOT             Legacy boot type
+                                          its last device path node point to a message device path node.
+  @retval BDS_LEGACY_BBS_BOOT             If given device path contains BBS_DEVICE_PATH type device path node.
   @retval BDS_EFI_UNSUPPORT               An EFI Removable BlockIO device path not point to a media and message device,   
 
 **/