sys/fuchsia/fidl.txt

# Copyright 2018 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

# See https://fuchsia.googlesource.com/zircon/+/master/docs/fidl/wire-format/index.md

include <zircon/fidl.h>

type fidl_call_args[REQ_MESSAGE, REQ_HANDLES, RESP_HANDLES] {
	wr_bytes	ptr[in, REQ_MESSAGE]
	wr_handles	ptr[in, REQ_HANDLES]
	rd_bytes	ptr[out, array[int8]]
	rd_handles	ptr[out, RESP_HANDLES]
	wr_num_bytes	bytesize[wr_bytes, int32]
	wr_num_handles	bytesize4[wr_handles, int32]
	rd_num_bytes	bytesize[rd_bytes, int32]
	rd_num_handles	bytesize4[rd_handles, int32]
}

type fidl_message_header[METHOD_ORDINAL] {
	txid		const[0, int32]
	reserved	const[0, int32]
	flags		const[0, int32]
	ordinal		const[METHOD_ORDINAL, int32]
}

fidl_string {
	size	int64
	data	flags[fidl_alloc_presence, int64]
}

fidl_vector {
	size	int64
	data	flags[fidl_alloc_presence, int64]
}

type fidl_aligned[T] {
	var	T
} [align_8]

type parallel_array[A, B] {
	a	array[A]
	b	array[B]
} [packed]

fidl_alloc_presence = FIDL_ALLOC_ABSENT, FIDL_ALLOC_PRESENT, FIDL_ALLOC_PRESENT, FIDL_ALLOC_PRESENT, FIDL_ALLOC_PRESENT, FIDL_ALLOC_PRESENT
fidl_handle_presence = FIDL_HANDLE_ABSENT, FIDL_HANDLE_PRESENT, FIDL_HANDLE_PRESENT, FIDL_HANDLE_PRESENT, FIDL_HANDLE_PRESENT, FIDL_HANDLE_PRESENT