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authorLaszlo Ersek <lersek@redhat.com>2020-12-16 22:10:56 +0100
committermergify[bot] <37929162+mergify[bot]@users.noreply.github.com>2020-12-21 17:16:23 +0000
commitf058cb69d14439a2f1c5d57f9f2bd278fb080423 (patch)
treeda55fe42cc73bce42111faee26ac1288cb7e2235 /OvmfPkg/Include/IndustryStandard
parentda82d2e3a088ba4c8e5598611196c55534ddb630 (diff)
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OvmfPkg/VirtioFsDxe: implement the wrapper function for FUSE_MKDIR
Add the VirtioFsFuseMkDir() function, for sending the FUSE_MKDIR 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: <20201216211125.19496-20-lersek@redhat.com> Acked-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
Diffstat (limited to 'OvmfPkg/Include/IndustryStandard')
-rw-r--r--OvmfPkg/Include/IndustryStandard/VirtioFs.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/VirtioFs.h b/OvmfPkg/Include/IndustryStandard/VirtioFs.h
index 7b6f303355..9ffeb9c8c9 100644
--- a/OvmfPkg/Include/IndustryStandard/VirtioFs.h
+++ b/OvmfPkg/Include/IndustryStandard/VirtioFs.h
@@ -82,6 +82,13 @@ typedef struct {
#define VIRTIO_FS_FUSE_ROOT_DIR_NODE_ID 1
//
+// File mode bitmasks.
+//
+#define VIRTIO_FS_FUSE_MODE_PERM_RWXU 0000700u
+#define VIRTIO_FS_FUSE_MODE_PERM_RWXG 0000070u
+#define VIRTIO_FS_FUSE_MODE_PERM_RWXO 0000007u
+
+//
// Flags for VirtioFsFuseOpOpen.
//
#define VIRTIO_FS_FUSE_OPEN_REQ_F_RDONLY 0
@@ -92,6 +99,7 @@ typedef struct {
//
typedef enum {
VirtioFsFuseOpForget = 2,
+ VirtioFsFuseOpMkDir = 9,
VirtioFsFuseOpOpen = 14,
VirtioFsFuseOpRelease = 18,
VirtioFsFuseOpFsync = 20,
@@ -124,6 +132,45 @@ typedef struct {
} VIRTIO_FS_FUSE_RESPONSE;
//
+// Structure with which the Virtio Filesystem device reports a NodeId to the
+// FUSE client (i.e., to the Virtio Filesystem driver). This structure is a
+// part of the response headers for operations that inform the FUSE client of
+// an inode.
+//
+typedef struct {
+ UINT64 NodeId;
+ UINT64 Generation;
+ UINT64 EntryValid;
+ UINT64 AttrValid;
+ UINT32 EntryValidNsec;
+ UINT32 AttrValidNsec;
+} VIRTIO_FS_FUSE_NODE_RESPONSE;
+
+//
+// Structure describing the host-side attributes of an inode. This structure is
+// a part of the response headers for operations that inform the FUSE client of
+// an inode.
+//
+typedef struct {
+ UINT64 Ino;
+ UINT64 Size;
+ UINT64 Blocks;
+ UINT64 Atime;
+ UINT64 Mtime;
+ UINT64 Ctime;
+ UINT32 AtimeNsec;
+ UINT32 MtimeNsec;
+ UINT32 CtimeNsec;
+ UINT32 Mode;
+ UINT32 Nlink;
+ UINT32 Uid;
+ UINT32 Gid;
+ UINT32 Rdev;
+ UINT32 Blksize;
+ UINT32 Padding;
+} VIRTIO_FS_FUSE_ATTRIBUTES_RESPONSE;
+
+//
// Header for VirtioFsFuseOpForget.
//
typedef struct {
@@ -131,6 +178,14 @@ typedef struct {
} VIRTIO_FS_FUSE_FORGET_REQUEST;
//
+// Header for VirtioFsFuseOpMkDir.
+//
+typedef struct {
+ UINT32 Mode;
+ UINT32 Umask;
+} VIRTIO_FS_FUSE_MKDIR_REQUEST;
+
+//
// Headers for VirtioFsFuseOpOpen and VirtioFsFuseOpOpenDir.
//
typedef struct {