idl: add offload data transfer ioctl types

For future use in handling FSCTL_OFFLOAD_READ, FSCTL_OFFLOAD_WRITE and
IOCTL_STORAGE_QUERY_PROPERTY requests new to Windows 8.

Based on preliminary data structure documentation from:
http://msdn.microsoft.com/en-us/library/windows/hardware/hh451101%28v=vs.85%29.aspx
http://msdn.microsoft.com/en-us/library/windows/hardware/hh451122%28v=vs.85%29.aspx
http://msdn.microsoft.com/en-us/library/windows/desktop/hh449428%28v=vs.85%29.aspx
http://msdn.microsoft.com/en-us/library/windows/hardware/hh451469%28v=vs.85%29.aspx

Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Lars Müller <lars@samba.org>

Autobuild-User: David Disseldorp <ddiss@samba.org>
Autobuild-Date: Thu Mar 15 18:40:11 CET 2012 on sn-devel-104

1 files changed, 57 insertions, 0 deletions

diff --git a/librpc/idl/ioctl.idl b/librpc/idl/ioctl.idl
index 1c319eafec..4672777909 100644
--- a/librpc/idl/ioctl.idl
+++ b/librpc/idl/ioctl.idl
@@ -30,4 +30,61 @@ interface copychunk
 		uint32 chunk_bytes_written;
 		uint32 total_bytes_written;
 	} srv_copychunk_rsp;
+
+	typedef [public] struct {
+		uint32 version;
+		uint32 size;
+		uint32 maximum_token_lifetime;
+		uint32 default_token_lifetime;
+		hyper maximum_xfer_size;
+		hyper optimal_xfer_count;
+		uint32 maximum_data_descriptors;
+		uint32 maximum_xfer_length_per_descriptor;
+		uint32 optimal_xfer_length_per_descriptor;
+		uint16 optimal_xfer_length_granularity;
+		uint8 reserved[2];
+	} device_copy_offload_descriptor;
+
+	/* XXX: 0x00000001 is unconfirmed */
+	const uint32 STORAGE_OFFLOAD_TOKEN_TYPE_ZERO_DATA = 0x00000001;
+	typedef [public] struct {
+		uint32 token_type;
+		uint8 reserved[2];
+		uint16 token_id_len;
+		[size_is(token_id_len)] uint8 token[];
+	} storage_offload_token;
+
+	typedef [public] struct {
+		uint32 size;
+		uint32 flags;
+		uint32 token_time_to_live;
+		uint32 reserved;
+		hyper file_offset;
+		hyper length;
+	} fsctl_offload_read_input;
+
+	const uint32 OFFLOAD_READ_FLAG_FILE_TOO_SMALL = 0x00000001;
+	const uint32 OFFLOAD_READ_FLAG_ALL_ZERO_BEYOND_RANGE = 0x00000002;
+	const uint32 OFFLOAD_READ_FLAG_CANNOT_OFFLOAD_BEYOND_RANGE = 0x00000004;
+	typedef [public] struct {
+		uint32 size;
+		uint32 flags;
+		hyper xfer_length;
+		uint8 token[512];
+	} fsctl_offload_read_output;
+
+	typedef [public] struct {
+		uint32 size;
+		uint32 flags;
+		hyper file_offset;
+		hyper copy_length;
+		hyper xfer_offset;
+		uint8 token[512];
+	} fsctl_offload_write_input;
+
+	typedef [public] struct {
+		uint32 size;
+		uint32 flags;
+		hyper length_written;
+	} fsctl_offload_write_output;
 }