@retval EFI_INVALID_PARAMETER Any input parameter is invalid.\r
@retval EFI_NOT_FOUND There is no sufficient information to establish\r
the iScsi session.\r
+ @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.\r
@retval EFI_DEVICE_ERROR Failed to get TCP connection device path.\r
@retval EFI_ACCESS_DENIED The protocol could not be removed from the Handle\r
because its interfaces are being used.\r