diff options
Diffstat (limited to 'pkg/abi/linux/fuse.go')
-rw-r--r-- | pkg/abi/linux/fuse.go | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/pkg/abi/linux/fuse.go b/pkg/abi/linux/fuse.go index 7e30483ee..346a9e6fc 100644 --- a/pkg/abi/linux/fuse.go +++ b/pkg/abi/linux/fuse.go @@ -14,12 +14,17 @@ package linux +import "gvisor.dev/gvisor/tools/go_marshal/marshal" + // +marshal type FUSEOpcode uint32 // +marshal type FUSEOpID uint64 +// FUSE_ROOT_ID is the id of root inode. +const FUSE_ROOT_ID = 1 + // Opcodes for FUSE operations. Analogous to the opcodes in include/linux/fuse.h. const ( FUSE_LOOKUP FUSEOpcode = 1 @@ -301,3 +306,54 @@ type FUSEGetAttrOut struct { // Attr contains the metadata returned from the FUSE server Attr FUSEAttr } + +// FUSEEntryOut is the reply sent by the daemon to the kernel +// for FUSE_MKNOD, FUSE_MKDIR, FUSE_SYMLINK, FUSE_LINK and +// FUSE_LOOKUP. +// +// +marshal +type FUSEEntryOut struct { + // NodeID is the ID for current inode. + NodeID uint64 + + // Generation is the generation number of inode. + // Used to identify an inode that have different ID at different time. + Generation uint64 + + // EntryValid indicates timeout for an entry. + EntryValid uint64 + + // AttrValid indicates timeout for an entry's attributes. + AttrValid uint64 + + // EntryValidNsec indicates timeout for an entry in nanosecond. + EntryValidNSec uint32 + + // AttrValidNsec indicates timeout for an entry's attributes in nanosecond. + AttrValidNSec uint32 + + // Attr contains the attributes of an entry. + Attr FUSEAttr +} + +// FUSELookupIn is the request sent by the kernel to the daemon +// to look up a file name. +// +// Dynamically-sized objects cannot be marshalled. +type FUSELookupIn struct { + marshal.StubMarshallable + + // Name is a file name to be looked up. + Name string +} + +// MarshalUnsafe serializes r.name to the dst buffer. +func (r *FUSELookupIn) MarshalUnsafe(buf []byte) { + copy(buf, []byte(r.Name)) +} + +// SizeBytes is the size of the memory representation of FUSELookupIn. +// 1 extra byte for null-terminated string. +func (r *FUSELookupIn) SizeBytes() int { + return len(r.Name) + 1 +} |