+/* this goes in the ioctl buffer when doing a copychunk request */
+struct copychunk_ioctl {
+ char SourceKey[24];
+ __le32 ChunkCount; /* we are only sending 1 */
+ __le32 Reserved;
+ /* array will only be one chunk long for us */
+ __le64 SourceOffset;
+ __le64 TargetOffset;
+ __u32 Length; /* how many bytes to copy */
+ __u32 Reserved2;
+} __packed;
+
+struct smb2_ioctl_req {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 57 */
+ __u16 Reserved;
+ __le32 CtlCode;
+ __u64 PersistentFileId; /* opaque endianness */
+ __u64 VolatileFileId; /* opaque endianness */
+ __le32 InputOffset;
+ __le32 InputCount;
+ __le32 MaxInputResponse;
+ __le32 OutputOffset;
+ __le32 OutputCount;
+ __le32 MaxOutputResponse;
+ __le32 Flags;
+ __u32 Reserved2;
+ char Buffer[0];
+} __packed;
+
+struct smb2_ioctl_rsp {
+ struct smb2_hdr hdr;
+ __le16 StructureSize; /* Must be 57 */
+ __u16 Reserved;
+ __le32 CtlCode;
+ __u64 PersistentFileId; /* opaque endianness */
+ __u64 VolatileFileId; /* opaque endianness */
+ __le32 InputOffset;
+ __le32 InputCount;
+ __le32 OutputOffset;
+ __le32 OutputCount;
+ __le32 Flags;
+ __u32 Reserved2;
+ /* char * buffer[] */
+} __packed;
+