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OvmfPkg/VirtioFsDxe: implement the wrapper function for FUSE_SETATTR

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Add the VirtioFsFuseSetAttr() function, for sending the FUSE_SETATTR
command to the Virtio Filesystem device.

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: <20201216211125.19496-45-lersek@redhat.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
This commit is contained in:
Laszlo Ersek
2020-12-16 22:11:21 +01:00
committed by mergify[bot]
parent dd0911859f
commit 647340b0ce
4 changed files with 219 additions and 1 deletions
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35
OvmfPkg/Include/IndustryStandard/VirtioFs.h
View File

@@ -102,6 +102,15 @@ typedef struct {
#define VIRTIO_FS_FUSE_MODE_PERM_ROTH 0000004u
#define VIRTIO_FS_FUSE_MODE_PERM_WOTH 0000002u
//
// Flags for VirtioFsFuseOpSetAttr, in the VIRTIO_FS_FUSE_SETATTR_REQUEST.Valid
// field.
//
#define VIRTIO_FS_FUSE_SETATTR_REQ_F_MODE BIT0
#define VIRTIO_FS_FUSE_SETATTR_REQ_F_SIZE BIT3
#define VIRTIO_FS_FUSE_SETATTR_REQ_F_ATIME BIT4
#define VIRTIO_FS_FUSE_SETATTR_REQ_F_MTIME BIT5
//
// Flags for VirtioFsFuseOpOpen.
//
@@ -153,6 +162,7 @@ typedef enum {
VirtioFsFuseOpLookup = 1,
VirtioFsFuseOpForget = 2,
VirtioFsFuseOpGetAttr = 3,
VirtioFsFuseOpSetAttr = 4,
VirtioFsFuseOpMkDir = 9,
VirtioFsFuseOpUnlink = 10,
VirtioFsFuseOpRmDir = 11,
@@ -240,7 +250,8 @@ typedef struct {
} VIRTIO_FS_FUSE_FORGET_REQUEST;
//
// Headers for VirtioFsFuseOpGetAttr.
// Headers for VirtioFsFuseOpGetAttr (VIRTIO_FS_FUSE_GETATTR_RESPONSE is also
// for VirtioFsFuseOpSetAttr).
//
typedef struct {
UINT32 GetAttrFlags;
@@ -254,6 +265,28 @@ typedef struct {
UINT32 Dummy;
} VIRTIO_FS_FUSE_GETATTR_RESPONSE;
//
// Header for VirtioFsFuseOpSetAttr.
//
typedef struct {
UINT32 Valid;
UINT32 Padding;
UINT64 FileHandle;
UINT64 Size;
UINT64 LockOwner;
UINT64 Atime;
UINT64 Mtime;
UINT64 Ctime;
UINT32 AtimeNsec;
UINT32 MtimeNsec;
UINT32 CtimeNsec;
UINT32 Mode;
UINT32 Unused4;
UINT32 Uid;
UINT32 Gid;
UINT32 Unused5;
} VIRTIO_FS_FUSE_SETATTR_REQUEST;
//
// Header for VirtioFsFuseOpMkDir.
//