sys/linux/sndcontrol.txt

# Copyright 2015 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_sndctrl[fd]

syz_open_dev$sndctrl(dev ptr[in, string["/dev/snd/controlC#"]], id intptr, flags flags[open_flags]) fd_sndctrl

ioctl$SNDRV_CTL_IOCTL_PVERSION(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_PVERSION], arg buffer[out])
ioctl$SNDRV_CTL_IOCTL_CARD_INFO(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_CARD_INFO], arg buffer[out])
ioctl$SNDRV_CTL_IOCTL_HWDEP_INFO(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_HWDEP_INFO], arg buffer[out])
ioctl$SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_PCM_NEXT_DEVICE], arg buffer[out])
ioctl$SNDRV_CTL_IOCTL_POWER_STATE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_POWER_STATE], arg buffer[out])
ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_LIST], arg ptr[in, snd_ctl_elem_list])
ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_INFO], arg ptr[in, snd_ctl_elem_info])
ioctl$SNDRV_CTL_IOCTL_ELEM_READ(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_READ], arg ptr[in, snd_ctl_elem_value])
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_WRITE], arg ptr[in, snd_ctl_elem_value])
ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_LOCK], arg ptr[in, snd_ctl_elem_id])
ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_UNLOCK], arg ptr[in, snd_ctl_elem_id])
ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS], arg ptr[in, int32])
ioctl$SNDRV_CTL_IOCTL_ELEM_ADD(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_ADD], arg ptr[in, snd_ctl_elem_info])
ioctl$SNDRV_CTL_IOCTL_ELEM_REPLACE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_REPLACE], arg ptr[in, snd_ctl_elem_info])
ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_ELEM_REMOVE], arg ptr[in, snd_ctl_elem_id])
ioctl$SNDRV_CTL_IOCTL_TLV_READ(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_TLV_READ], arg ptr[in, snd_ctl_tlv])
ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_TLV_WRITE], arg ptr[in, snd_ctl_tlv])
ioctl$SNDRV_CTL_IOCTL_TLV_COMMAND(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_TLV_COMMAND], arg ptr[in, snd_ctl_tlv])
ioctl$SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_HWDEP_NEXT_DEVICE], arg ptr[in, int32])
ioctl$SNDRV_CTL_IOCTL_PCM_INFO(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_PCM_INFO], arg ptr[in, snd_pcm_info])
ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE], arg ptr[in, int32])
ioctl$SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_RAWMIDI_NEXT_DEVICE], arg ptr[in, int32])
ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_RAWMIDI_INFO], arg ptr[in, snd_rawmidi_info])
ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(fd fd_sndctrl, cmd const[SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE], arg ptr[in, int32])

snd_ctl_iface = SNDRV_CTL_ELEM_IFACE_CARD, SNDRV_CTL_ELEM_IFACE_HWDEP, SNDRV_CTL_ELEM_IFACE_MIXER, SNDRV_CTL_ELEM_IFACE_PCM, SNDRV_CTL_ELEM_IFACE_RAWMIDI, SNDRV_CTL_ELEM_IFACE_TIMER, SNDRV_CTL_ELEM_IFACE_SEQUENCER

snd_ctl_elem_id {
	numid	int32
	iface	flags[snd_ctl_iface, int32]
	dev	int32
	subdev	int32
	name	array[int8, 44]
	index	int32
}

snd_ctl_elem_list {
	off	int32
	space	len[pids, int32]
	used	int32
	count	int32
	pids	ptr[out, array[snd_ctl_elem_id]]
	pad	array[const[0, int8], 50]
}

snd_ctl_elem_info {
	id	snd_ctl_elem_id
	type	const[0, int32]
	access	const[0, int32]
	count	int32
	owner	pid
	items	int32
	item	int32
	name	array[int8, 64]
	nameptr	ptr[in, string]
	namelen	len[nameptr, int32]
	pad1	array[const[0, int8], 44]
	d	array[int16, 4]
	pad2	array[const[0, int8], 56]
}

snd_ctl_elem_value {
	id	snd_ctl_elem_id
	indir	int32
	value	array[int64, 128]
	tstamp	timespec
	pad	array[const[0, int8], 112]
}

snd_ctl_tlv {
	numid	int32
	len	bytesize[tlv, int32]
	tlv	array[int32]
}

snd_pcm_info {
	dev	int32
	subdev	int32
	stream	int32
	card	int32
	id	array[const[0, int8], 64]
	name	array[const[0, int8], 80]
	subname	array[const[0, int8], 32]
	devcl	int32
	devscl	int32
	count	int32
	avail	int32
	sync	array[int8, 16]
	pad	array[const[0, int8], 64]
}

snd_rawmidi_info {
	dev	int32
	subdev	int32
	stream	int32
	card	const[0, int32]
	flags	const[0, int32]
	id	array[const[0, int8], 64]
	name	array[const[0, int8], 80]
	subname	array[const[0, int8], 32]
	count	int32
	avail	int32
	pad	array[const[0, int8], 64]
}