sys/linux/dev_snd_midi.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.

include <sound/asound.h>

resource fd_midi[fd]

syz_open_dev$sndmidi(dev ptr[in, string["/dev/snd/midiC#D#"]], id intptr, flags flags[open_flags]) fd_midi

ioctl$SNDRV_RAWMIDI_IOCTL_PVERSION(fd fd_midi, cmd const[SNDRV_RAWMIDI_IOCTL_PVERSION], arg ptr[out, int32])
ioctl$SNDRV_RAWMIDI_IOCTL_INFO(fd fd_midi, cmd const[SNDRV_RAWMIDI_IOCTL_INFO], arg ptr[out, snd_rawmidi_info_raw])
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(fd fd_midi, cmd const[SNDRV_RAWMIDI_IOCTL_PARAMS], arg ptr[inout, snd_rawmidi_params])
ioctl$SNDRV_RAWMIDI_IOCTL_STATUS(fd fd_midi, cmd const[SNDRV_RAWMIDI_IOCTL_STATUS], arg ptr[inout, snd_rawmidi_status])
ioctl$SNDRV_RAWMIDI_IOCTL_DROP(fd fd_midi, cmd const[SNDRV_RAWMIDI_IOCTL_DROP], arg ptr[in, int32])
ioctl$SNDRV_RAWMIDI_IOCTL_DRAIN(fd fd_midi, cmd const[SNDRV_RAWMIDI_IOCTL_DRAIN], arg ptr[in, int32])

snd_rawmidi_info_raw {
	device			int32
	subdevice		int32
	stream			flags[sndrv_rawmidi_stream, int32]
	card			int32
	flags			flags[snd_rawmidi_info_flags, int32]
	id			array[int8, 64]
	name			array[int8, 80]
	subname			array[int8, 32]
	subdevices_count	int32
	subdevices_avail	int32
	reserved		array[const[0, int8], 64]
}

snd_rawmidi_params {
	stream			flags[sndrv_rawmidi_stream, int32]
	buffer_size		int32
	avail_min		int32
	no_active_sensing	int32
	reserved		array[const[0, int8], 16]
}

snd_rawmidi_status {
	stream		flags[sndrv_rawmidi_stream, int32]
	tstamp		timespec
	avail		int32
	xruns		int32
	reserved	array[const[0, int8], 16]
}

sndrv_rawmidi_stream = SNDRV_RAWMIDI_STREAM_OUTPUT, SNDRV_RAWMIDI_STREAM_INPUT, SNDRV_RAWMIDI_STREAM_LAST
snd_rawmidi_info_flags = SNDRV_RAWMIDI_INFO_OUTPUT, SNDRV_RAWMIDI_INFO_INPUT, SNDRV_RAWMIDI_INFO_DUPLEX