syzkaller/sys/sndseq.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>
include <sound/asequencer.h>

open$sndseq(file strconst["/dev/snd/seq"], flags flags[open_flags], mode const[0]) fd[sndseq]
#TODO: len must be in bytes, but if we use len type then it will number of array elements.
write$sndseq(fd fd[sndseq], data ptr[in, array[snd_seq_event]], len intptr)

ioctl$SNDRV_SEQ_IOCTL_PVERSION(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_PVERSION], arg ptr[out, int32])
ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_CLIENT_ID], arg ptr[out, int32])

ioctl$SNDRV_SEQ_IOCTL_SYSTEM_INFO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SYSTEM_INFO], arg ptr[in, snd_seq_system_info])
ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_RUNNING_MODE], arg ptr[in, snd_seq_running_info])
ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_CLIENT_INFO], arg ptr[out, snd_seq_client_info])
ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_INFO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SET_CLIENT_INFO], arg ptr[in, snd_seq_client_info])
ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_CREATE_PORT], arg ptr[in, snd_seq_port_info])
ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_DELETE_PORT], arg ptr[in, snd_seq_port_info])
ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_PORT_INFO], arg ptr[out, snd_seq_port_info])
ioctl$SNDRV_SEQ_IOCTL_SET_PORT_INFO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SET_PORT_INFO], arg ptr[in, snd_seq_port_info])
ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT], arg ptr[in, snd_seq_port_subscribe])
ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT], arg ptr[in, snd_seq_port_subscribe])
ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_CREATE_QUEUE], arg ptr[in, snd_seq_queue_info])
ioctl$SNDRV_SEQ_IOCTL_DELETE_QUEUE(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_DELETE_QUEUE], arg ptr[in, snd_seq_queue_info])
ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_QUEUE_INFO], arg ptr[in, snd_seq_queue_info])
ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_INFO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SET_QUEUE_INFO], arg ptr[in, snd_seq_queue_info])
ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE], arg ptr[in, snd_seq_queue_info])
ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS], arg ptr[in, snd_seq_queue_status])
ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO], arg ptr[out, snd_seq_queue_status])
ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO], arg ptr[in, snd_seq_queue_status])
ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER], arg ptr[in, snd_seq_queue_timer])
ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER], arg ptr[in, snd_seq_queue_timer])
ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT], arg ptr[in, snd_seq_queue_client])
ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT], arg ptr[in, snd_seq_queue_client])
ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_CLIENT_POOL], arg ptr[in, snd_seq_client_pool])
ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_SET_CLIENT_POOL], arg ptr[in, snd_seq_client_pool])
ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_REMOVE_EVENTS], arg ptr[in, snd_seq_remove_events])
ioctl$SNDRV_SEQ_IOCTL_QUERY_SUBS(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_QUERY_SUBS], arg ptr[in, snd_seq_query_subs])
ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION], arg ptr[in, snd_seq_port_subscribe])
ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT], arg ptr[in, snd_seq_client_info])
ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(fd fd[sndseq], cmd const[SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT], arg ptr[in, snd_seq_port_info])

snd_seq_client_type = NO_CLIENT, USER_CLIENT, KERNEL_CLIENT
snd_seq_filter = SNDRV_SEQ_FILTER_BROADCAST, SNDRV_SEQ_FILTER_MULTICAST, SNDRV_SEQ_FILTER_BOUNCE, SNDRV_SEQ_FILTER_USE_EVENT
snd_seq_port_cap = SNDRV_SEQ_PORT_CAP_READ, SNDRV_SEQ_PORT_CAP_WRITE, SNDRV_SEQ_PORT_CAP_SYNC_READ, SNDRV_SEQ_PORT_CAP_SYNC_WRITE, SNDRV_SEQ_PORT_CAP_DUPLEX, SNDRV_SEQ_PORT_CAP_SUBS_READ, SNDRV_SEQ_PORT_CAP_SUBS_WRITE, SNDRV_SEQ_PORT_CAP_NO_EXPORT
snd_seq_port_type = SNDRV_SEQ_PORT_TYPE_SPECIFIC, SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC, SNDRV_SEQ_PORT_TYPE_MIDI_GM, SNDRV_SEQ_PORT_TYPE_MIDI_GS, SNDRV_SEQ_PORT_TYPE_MIDI_XG, SNDRV_SEQ_PORT_TYPE_MIDI_MT32, SNDRV_SEQ_PORT_TYPE_MIDI_GM2, SNDRV_SEQ_PORT_TYPE_SYNTH, SNDRV_SEQ_PORT_TYPE_DIRECT_SAMPLE, SNDRV_SEQ_PORT_TYPE_SAMPLE, SNDRV_SEQ_PORT_TYPE_HARDWARE, SNDRV_SEQ_PORT_TYPE_SOFTWARE, SNDRV_SEQ_PORT_TYPE_SYNTHESIZER, SNDRV_SEQ_PORT_TYPE_PORT, SNDRV_SEQ_PORT_TYPE_APPLICATION
snd_seq_port_flags = SNDRV_SEQ_PORT_FLG_GIVEN_PORT, SNDRV_SEQ_PORT_FLG_TIMESTAMP, SNDRV_SEQ_PORT_FLG_TIME_REAL
snd_seq_sub_flags = SNDRV_SEQ_PORT_SUBS_EXCLUSIVE, SNDRV_SEQ_PORT_SUBS_TIMESTAMP, SNDRV_SEQ_PORT_SUBS_TIME_REAL
snd_seq_timer_type = SNDRV_SEQ_TIMER_ALSA, SNDRV_SEQ_TIMER_MIDI_CLOCK, SNDRV_SEQ_TIMER_MIDI_TICK
snd_seq_remove_mode = SNDRV_SEQ_REMOVE_INPUT, SNDRV_SEQ_REMOVE_OUTPUT, SNDRV_SEQ_REMOVE_DEST, SNDRV_SEQ_REMOVE_DEST_CHANNEL, SNDRV_SEQ_REMOVE_TIME_BEFORE, SNDRV_SEQ_REMOVE_TIME_AFTER, SNDRV_SEQ_REMOVE_TIME_TICK, SNDRV_SEQ_REMOVE_EVENT_TYPE, SNDRV_SEQ_REMOVE_IGNORE_OFF, SNDRV_SEQ_REMOVE_TAG_MATCH

snd_seq_system_info {
	queues	int32
	clients	int32
	ports	int32
	channel	int32
	nclient	int32
	nqueue	int32
	pad	array[const[0, int8], 24]
}

snd_seq_running_info {
	client	int8
	bigend	int8
	cpumode	int8
	pad	const[0, int8]
	pad	array[const[0, int8], 12]
}

snd_seq_client_info {
	client	int32
	type	flags[snd_seq_client_type, int32]
#TODO: need something like fixed-size embeded string.
	name	array[int8, 64]
	filter	flags[snd_seq_filter, int32]
	mfilt	array[int8, 8]
	evfilt	array[int8, 32]
	nports	int32
	lost	int32
	pad	array[const[0, int8], 64]
}

snd_seq_port_info {
	addr	snd_seq_addr
#TODO: need something like fixed-size embeded string.
	name	array[int8, 64]
	cap	flags[snd_seq_port_cap, int32]
	type	flags[snd_seq_port_type, int32]
	chans	int32
	voices	int32
	svoices	int32
	readuse	int32
	wruse	int32
	kernel	const[0, intptr]
	flags	flags[snd_seq_port_flags, int32]
	timeq	int32
	pad	array[const[0, int8], 59]
}

snd_seq_port_subscribe {
	sender	snd_seq_addr
	dest	snd_seq_addr
	voices	int32
	flags	flags[snd_seq_sub_flags, int32]
	queue	int8
	pad	array[const[0, int8], 3]
	pad	array[const[0, int8], 64]
}

snd_seq_queue_info {
	queue	int32
	owner	int32
	locked	int32
#TODO: need something like fixed-size embeded string.
	name	array[int8, 64]
	flags	int32
	pad	array[const[0, int8], 60]
}

snd_seq_queue_status {
	queue	int32
	events	int32
	tick	int32
	time	timespec
	runnint	int32
	flags	int32
	pad	array[const[0, int8], 64]
}

snd_seq_queue_timer {
	queue	int32
	type	flags[snd_seq_timer_type, int32]
	id	snd_timer_id
	pad	array[const[0, int8], 64]
}

snd_timer_id {
	class	int32
	subcl	int32
	card	int32
	dev	int32
	subdev	int32
}

snd_seq_queue_client {
	queue	int32
	client	int32
	used	int32
	pad	array[const[0, int8], 64]
}

snd_seq_client_pool {
	client	int32
	opool	int32
	ipool	int32
	oroom	int32
	ofree	int32
	ifree	int32
	pad	array[const[0, int8], 64]
}

snd_seq_remove_events {
	mode	flags[snd_seq_remove_mode, int32]
	time	snd_seq_timestamp
	queue	int8
	dest	snd_seq_addr
	chan	int8
	type	flags[snd_seq_client_type, int32]
	tag	int8
	pad	array[const[0, int32], 10]
}

snd_seq_subs_type = SNDRV_SEQ_QUERY_SUBS_READ, SNDRV_SEQ_QUERY_SUBS_WRITE

snd_seq_query_subs {
	root	snd_seq_addr
	type	flags[snd_seq_subs_type, int32]
	index	int32
	nsubs	int32
	addr	snd_seq_addr
	queue	int8
	flags	int32
	pad	array[const[0, int8], 64]
}

snd_seq_event {
	type	int8 
	flags	int8
	tag	int8
	queue	int8
	time	snd_seq_timestamp
	src	snd_seq_addr
	dst	snd_seq_addr
	data	snd_seq_event_data
}

snd_seq_event_data [
	note	snd_seq_ev_note
	control	snd_seq_ev_ctrl
	raw8	snd_seq_ev_raw8
	raw32	snd_seq_ev_raw32
	ext	snd_seq_ev_ext
	queue	snd_seq_ev_queue_control
	time	snd_seq_timestamp
	addr	snd_seq_addr
	connect	snd_seq_connect
	result	snd_seq_result
	quote	snd_seq_ev_quote
]


snd_seq_ev_note {
	chan	int8
	note	int8
	veloc	int8
	oveloc	int8
	dur	int32
}

snd_seq_ev_ctrl {
	chan	int8
	param	int32
	val	int32
}

snd_seq_ev_raw8 {
	data	array[int8, 12]
}

snd_seq_ev_raw32 {
	data	array[int32, 3]
}

snd_seq_ev_ext {
	len	len[ptr, int32]
	ptr	buffer[in]
} [packed]

snd_seq_ev_queue_control {
	queue	int8
	param	snd_seq_queue_skew
}

snd_seq_connect {
	sender	snd_seq_addr
	dest	snd_seq_addr
}

snd_seq_result {
	event	int32
	result	int32
}

snd_seq_ev_quote {
	origin	snd_seq_addr
	val	int16
# TODO: this should be:
#	event	ptr[in, snd_seq_event, opt]
# but sysgen goes into inifite recursion.
	event	buffer[in]
} [packed]

snd_seq_queue_skew {
	val	int32
	base	int32
}

snd_seq_timestamp [
	tick	int32
	time	timespec
]

snd_seq_addr {
	client	int8
	port	int8
}