audk/OvmfPkg/VirtioFsDxe/SimpleFsGetPosition.c

29 lines
594 B
C

/** @file
EFI_FILE_PROTOCOL.GetPosition() member function for the Virtio Filesystem
driver.
Copyright (C) 2020, Red Hat, Inc.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "VirtioFsDxe.h"
EFI_STATUS
EFIAPI
VirtioFsSimpleFileGetPosition (
IN EFI_FILE_PROTOCOL *This,
OUT UINT64 *Position
)
{
VIRTIO_FS_FILE *VirtioFsFile;
VirtioFsFile = VIRTIO_FS_FILE_FROM_SIMPLE_FILE (This);
if (VirtioFsFile->IsDirectory) {
return EFI_UNSUPPORTED;
}
*Position = VirtioFsFile->FilePosition;
return EFI_SUCCESS;
}