sys/linux/dev_snd_timer.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 <uapi/linux/soundcard.h>

resource fd_sndtimer[fd]

syz_open_dev$sndtimer(dev ptr[in, string["/dev/snd/timer"]], id const[0], flags flags[open_flags]) fd_sndtimer

ioctl$SNDRV_TIMER_IOCTL_PVERSION(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_PVERSION], arg ptr[out, int32])
ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_NEXT_DEVICE], arg ptr[in, snd_timer_id])
ioctl$SNDRV_TIMER_IOCTL_TREAD(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_TREAD], arg ptr[in, int32[0:1]])
ioctl$SNDRV_TIMER_IOCTL_GINFO(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_GINFO], arg ptr[in, snd_timer_ginfo])
ioctl$SNDRV_TIMER_IOCTL_GPARAMS(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_GPARAMS], arg ptr[in, snd_timer_gparams])
ioctl$SNDRV_TIMER_IOCTL_GSTATUS(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_GSTATUS], arg ptr[in, snd_timer_gstatus])
ioctl$SNDRV_TIMER_IOCTL_SELECT(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_SELECT], arg ptr[in, snd_timer_select])
ioctl$SNDRV_TIMER_IOCTL_INFO(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_INFO], arg buffer[out])
ioctl$SNDRV_TIMER_IOCTL_PARAMS(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_PARAMS], arg ptr[in, snd_timer_params])
ioctl$SNDRV_TIMER_IOCTL_STATUS(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_STATUS], arg buffer[out])
ioctl$SNDRV_TIMER_IOCTL_START(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_START])
ioctl$SNDRV_TIMER_IOCTL_STOP(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_STOP])
ioctl$SNDRV_TIMER_IOCTL_CONTINUE(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_CONTINUE])
ioctl$SNDRV_TIMER_IOCTL_PAUSE(fd fd_sndtimer, cmd const[SNDRV_TIMER_IOCTL_PAUSE])

snd_timer_flags = SNDRV_TIMER_PSFLG_AUTO, SNDRV_TIMER_PSFLG_EXCLUSIVE, SNDRV_TIMER_PSFLG_EARLY_EVENT
snd_timer_filter = SNDRV_TIMER_EVENT_RESOLUTION, SNDRV_TIMER_EVENT_TICK, SNDRV_TIMER_EVENT_START, SNDRV_TIMER_EVENT_STOP, SNDRV_TIMER_EVENT_CONTINUE, SNDRV_TIMER_EVENT_PAUSE, SNDRV_TIMER_EVENT_EARLY, SNDRV_TIMER_EVENT_SUSPEND, SNDRV_TIMER_EVENT_RESUME, SNDRV_TIMER_EVENT_MSTART, SNDRV_TIMER_EVENT_MSTOP, SNDRV_TIMER_EVENT_MCONTINUE, SNDRV_TIMER_EVENT_MPAUSE, SNDRV_TIMER_EVENT_MSUSPEND, SNDRV_TIMER_EVENT_MRESUME

# TODO: Add descriptions
_ = SNDCTL_TMR_START, SNDCTL_TMR_STOP, SNDCTL_TMR_TIMEBASE, SNDCTL_TMR_CONTINUE, SNDCTL_TMR_TEMPO, SNDCTL_TMR_SOURCE, SNDCTL_TMR_METRONOME, SNDCTL_TMR_SELECT

snd_timer_id_str = "id0", "id1"
snd_timer_name = "timer0", "timer1"

snd_timer_ginfo {
	tid	snd_timer_id
	flags	int32
	card	int32
	id	string[snd_timer_id_str, 64]
	name	string[snd_timer_name, 80]
	pad1	const[0, intptr]
	res	intptr
	resmin	intptr
	resmax	intptr
	clients	int32
	pad2	array[const[0, int8], 32]
}

snd_timer_gparams {
	tid	snd_timer_id
	periodn	intptr
	periodd	intptr
	pad	array[const[0, int8], 32]
}

snd_timer_gstatus {
	tid	snd_timer_id
	res	intptr
	resnum	intptr
	resden	intptr
	pad	array[const[0, int8], 32]
}

snd_timer_select {
	tid	snd_timer_id
	pad	array[const[0, int8], 32]
}

snd_timer_params {
	flags	flags[snd_timer_flags, int32]
	ticks	int32
	qsize	int32
	pad1	const[0, int32]
	filter	flags[snd_timer_filter, int32]
	pad2	array[const[0, int8], 60]
}