/**
Initialize the media parameter data for EFI_BLOCK_IO_MEDIA of Block I/O Protocol.
@param UsbMass The USB mass storage device
@retval EFI_SUCCESS The media parameters are updated successfully.
@retval Others Failed to get the media parameters.
**/
EFI_STATUS
UsbMassInitMedia (
IN USB_MASS_DEVICE *UsbMass
)
{
EFI_BLOCK_IO_MEDIA *Media;
EFI_STATUS Status;
Media = &UsbMass->BlockIoMedia;
//
// Fields of EFI_BLOCK_IO_MEDIA are defined in UEFI 2.0 spec,
// section for Block I/O Protocol.
//
Media->MediaPresent = FALSE;
Media->LogicalPartition = FALSE;
Media->ReadOnly = FALSE;
Media->WriteCaching = FALSE;
Media->IoAlign = 0;
Media->MediaId = 1;
Status = UsbBootGetParams (UsbMass);
DEBUG ((DEBUG_INFO, "UsbMassInitMedia: UsbBootGetParams (%r)\n", Status));
if (Status == EFI_MEDIA_CHANGED) {
//
// Some USB storage devices may report MEDIA_CHANGED sense key when hot-plugged.
// Treat it as SUCCESS
//
Status = EFI_SUCCESS;
}
return Status;
}
/**
Initialize the media parameter data for EFI_BLOCK_IO_MEDIA of Block I/O Protocol.
@param UsbMass The USB mass storage device
@retval EFI_SUCCESS The media parameters are updated successfully.
@retval Others Failed to get the media parameters.
**/
EFI_STATUS
UsbMassInitMedia (
IN USB_MASS_DEVICE *UsbMass
)
{
EFI_BLOCK_IO_MEDIA *Media;
EFI_STATUS Status;
Media = &UsbMass->BlockIoMedia;
//
// Fields of EFI_BLOCK_IO_MEDIA are defined in UEFI 2.0 spec,
// section for Block I/O Protocol.
//
Media->MediaPresent = FALSE;
Media->LogicalPartition = FALSE;
Media->ReadOnly = FALSE;
Media->WriteCaching = FALSE;
Media->IoAlign = 0;
Media->MediaId = 1;
Status = UsbBootGetParams (UsbMass);
return Status;
}
