github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/sys/fuchsia/channel.txt (about)

     1  # Copyright 2017 syzkaller project authors. All rights reserved.
     2  # Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
     3  
     4  # See https://cs.opensource.google/fuchsia/fuchsia/+/main:zircon/vdso/channel.fidl
     5  
     6  include <zircon/syscalls.h>
     7  
     8  resource zx_chan[zx_handle]
     9  
    10  zx_channel_call(handle zx_chan, options const[0], deadline zx_time, args ptr[in, zx_channel_call_args], actual_bytes ptr[out, int32], actual_handles ptr[out, int32])
    11  zx_channel_create(options const[0], out0 ptr[out, zx_chan], out1 ptr[out, zx_chan])
    12  zx_channel_read(handle zx_chan, options flags[chan_read_options], bytes ptr[out, array[int8]], handles ptr[out, zx_handle], num_bytes len[bytes], num_handles len[handles], actual_bytes ptr[out, int32], actual_handles ptr[out, int32])
    13  zx_channel_write(handle zx_chan, options flags[chan_write_options], bytes ptr[in, array[int8]], num_bytes len[bytes], handles ptr[in, array[zx_handle]], num_handles len[handles])
    14  zx_channel_write$ZX_CHANNEL_IOVEC(handle zx_chan, options const[ZX_CHANNEL_WRITE_USE_IOVEC], bytes ptr[in, zx_channel_iovec], num_bytes len[bytes], handles ptr[in, array[zx_handle]], num_handles len[handles])
    15  
    16  zx_channel_read_etc(handle zx_chan, options int32, bytes ptr[out, array[int8]], handles ptr[out, array[zx_handle_info]], num_bytes len[bytes], num_handles len[handles], actual_bytes ptr[out, int32], actual_handles ptr[out, int32])
    17  zx_channel_call_etc(handle zx_chan, options int32, deadline zx_time, args ptr[in, zx_channel_call_args], actual_bytes ptr[out, int32], actual_handles ptr[out, int32])
    18  zx_channel_write_etc(handle zx_chan, options int32, bytes ptr[in, array[int8]], num_bytes len[bytes], handles ptr[in, array[zx_handle_disposition]], num_handles len[handles])
    19  zx_channel_write_etc$ZX_CHANNEL_IOVEC(handle zx_chan, options const[ZX_CHANNEL_WRITE_USE_IOVEC], bytes ptr[in, array[int8]], num_bytes len[bytes], handles ptr[in, array[zx_handle_disposition]], num_handles len[handles])
    20  
    21  zx_channel_call_args {
    22  	wr_bytes	ptr[in, array[int8]]
    23  	wr_handles	ptr[in, array[zx_handle]]
    24  	rd_bytes	ptr[out, array[int8]]
    25  	rd_handles	ptr[out, array[zx_handle]]
    26  	wr_num_bytes	len[wr_bytes, int32]
    27  	wr_num_handles	len[wr_handles, int32]
    28  	rd_num_bytes	len[rd_bytes, int32]
    29  	rd_num_handles	len[rd_handles, int32]
    30  }
    31  
    32  zx_handle_info {
    33  	handle	zx_handle
    34  	type	int32
    35  	rights	int32
    36  	unused	int32
    37  }
    38  
    39  zx_channel_iovec {
    40  	buffer		ptr[in, array[int8]]
    41  	capacity	int32
    42  	reserved	int32
    43  }
    44  
    45  zx_handle_disposition {
    46  	operation	int32
    47  	handle		zx_handle
    48  	type		int32
    49  	rights		int32
    50  	result		int32
    51  }
    52  
    53  chan_read_options = ZX_CHANNEL_READ_MAY_DISCARD
    54  chan_write_options = ZX_CHANNEL_WRITE_USE_IOVEC