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OvmfPkg/VirtioFsDxe: convert FUSE inode attributes to EFI_FILE_INFO

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Introduce the VirtioFsFuseAttrToEfiFileInfo() function, for converting
FUSE inode attributes to EFI_FILE_INFO.

The EpochToEfiTime() function from EmbeddedPkg's TimeBaseLib proves
invaluable for converting the file access times.

This is the first time we consume TimeBaseLib in OvmfPkg, so add the
necessary lib class resolution. We need not modify any ArmVirtPkg DSC
files: see commit af5fed90bf ("ArmPlatformPkg,ArmVirtPkg: delete
redundant PL031 functions", 2017-05-10).

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: <20201216211125.19496-22-lersek@redhat.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
This commit is contained in:
Laszlo Ersek
2020-12-16 22:10:58 +01:00
committed by mergify[bot]
parent a70860f449
commit cd473d41dd
7 changed files with 134 additions and 0 deletions
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3
OvmfPkg/Include/IndustryStandard/VirtioFs.h
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@@ -84,6 +84,9 @@ typedef struct {
//
// File mode bitmasks.
//
#define VIRTIO_FS_FUSE_MODE_TYPE_MASK 0170000u
#define VIRTIO_FS_FUSE_MODE_TYPE_REG 0100000u
#define VIRTIO_FS_FUSE_MODE_TYPE_DIR 0040000u
#define VIRTIO_FS_FUSE_MODE_PERM_RWXU 0000700u
#define VIRTIO_FS_FUSE_MODE_PERM_RUSR 0000400u
#define VIRTIO_FS_FUSE_MODE_PERM_WUSR 0000200u