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OvmfPkg/VirtioFsDxe: add shared wrapper for FUSE_RELEASE / FUSE_RELEASEDIR

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The FUSE_RELEASE and FUSE_RELEASEDIR commands only differ in the opcode.
Add a common function called VirtioFsFuseReleaseFileOrDir() for sending
either command.

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: <20201216211125.19496-11-lersek@redhat.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
This commit is contained in:
Laszlo Ersek
2020-12-16 22:10:47 +01:00
committed by mergify[bot]
parent b62a0c5603
commit 72d4f133e9
4 changed files with 142 additions and 0 deletions
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12
OvmfPkg/Include/IndustryStandard/VirtioFs.h
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@@ -80,8 +80,10 @@ typedef struct {
// FUSE operation codes.
//
typedef enum {
VirtioFsFuseOpRelease = 18,
VirtioFsFuseOpInit = 26,
VirtioFsFuseOpOpenDir = 27,
VirtioFsFuseOpReleaseDir = 29,
} VIRTIO_FS_FUSE_OPCODE;
#pragma pack (1)
@@ -105,6 +107,16 @@ typedef struct {
UINT64 Unique;
} VIRTIO_FS_FUSE_RESPONSE;
//
// Header for VirtioFsFuseOpRelease and VirtioFsFuseOpReleaseDir.
//
typedef struct {
UINT64 FileHandle;
UINT32 Flags;
UINT32 ReleaseFlags;
UINT64 LockOwner;
} VIRTIO_FS_FUSE_RELEASE_REQUEST;
//
// Headers for VirtioFsFuseOpInit.
//