c4edb49b4f
Using the functions introduced previously, we can now implement VirtioFsSimpleFileGetPosition() and VirtioFsSimpleFileSetPosition(). Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3097 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20201216211125.19496-32-lersek@redhat.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
28 lines
589 B
C
28 lines
589 B
C
/** @file
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EFI_FILE_PROTOCOL.GetPosition() member function for the Virtio Filesystem
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driver.
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Copyright (C) 2020, Red Hat, Inc.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "VirtioFsDxe.h"
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EFI_STATUS
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EFIAPI
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VirtioFsSimpleFileGetPosition (
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IN EFI_FILE_PROTOCOL *This,
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OUT UINT64 *Position
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)
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{
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VIRTIO_FS_FILE *VirtioFsFile;
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VirtioFsFile = VIRTIO_FS_FILE_FROM_SIMPLE_FILE (This);
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if (VirtioFsFile->IsDirectory) {
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return EFI_UNSUPPORTED;
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}
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*Position = VirtioFsFile->FilePosition;
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return EFI_SUCCESS;
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}
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