sys/linux/dev_dri.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 <drm/drm.h>
include <drm/drm_mode.h>
include <linux/agp_backend.h>

resource fd_dri[fd]
resource drmctx[int32]
resource drm_agp_handle[intptr]
resource drm_gem_handle[int32]
resource drm_gem_name[int32]

syz_open_dev$dri(dev ptr[in, string["/dev/dri/card#"]], id intptr, flags flags[open_flags]) fd_dri
syz_open_dev$dricontrol(dev ptr[in, string["/dev/dri/controlD#"]], id intptr, flags flags[open_flags]) fd_dri
syz_open_dev$drirender(dev ptr[in, string["/dev/dri/renderD#"]], id intptr, flags flags[open_flags]) fd_dri

ioctl$DRM_IOCTL_VERSION(fd fd_dri, cmd const[DRM_IOCTL_VERSION], arg ptr[in, drm_version])
ioctl$DRM_IOCTL_GET_UNIQUE(fd fd_dri, cmd const[DRM_IOCTL_GET_UNIQUE], arg ptr[in, drm_unique_out])
ioctl$DRM_IOCTL_GET_MAGIC(fd fd_dri, cmd const[DRM_IOCTL_GET_MAGIC], arg ptr[in, int32])
ioctl$DRM_IOCTL_IRQ_BUSID(fd fd_dri, cmd const[DRM_IOCTL_IRQ_BUSID], arg ptr[in, drm_irq_busid])
ioctl$DRM_IOCTL_GET_MAP(fd fd_dri, cmd const[DRM_IOCTL_GET_MAP], arg ptr[in, drm_map])
ioctl$DRM_IOCTL_GET_CLIENT(fd fd_dri, cmd const[DRM_IOCTL_GET_CLIENT], arg ptr[in, drm_client])
ioctl$DRM_IOCTL_GET_STATS(fd fd_dri, cmd const[DRM_IOCTL_GET_STATS], arg buffer[out])
ioctl$DRM_IOCTL_GET_CAP(fd fd_dri, cmd const[DRM_IOCTL_GET_CAP], arg ptr[in, drm_get_cap])
ioctl$DRM_IOCTL_SET_CLIENT_CAP(fd fd_dri, cmd const[DRM_IOCTL_SET_CLIENT_CAP], arg ptr[in, drm_get_cap])
ioctl$DRM_IOCTL_SET_VERSION(fd fd_dri, cmd const[DRM_IOCTL_SET_VERSION], arg ptr[in, drm_set_version])
ioctl$DRM_IOCTL_SET_UNIQUE(fd fd_dri, cmd const[DRM_IOCTL_SET_UNIQUE], arg ptr[in, drm_unique_in])
ioctl$DRM_IOCTL_AUTH_MAGIC(fd fd_dri, cmd const[DRM_IOCTL_AUTH_MAGIC], arg ptr[in, int32])
ioctl$DRM_IOCTL_ADD_MAP(fd fd_dri, cmd const[DRM_IOCTL_ADD_MAP], arg ptr[in, drm_map])
ioctl$DRM_IOCTL_RM_MAP(fd fd_dri, cmd const[DRM_IOCTL_RM_MAP], arg ptr[in, drm_map])
ioctl$DRM_IOCTL_SET_SAREA_CTX(fd fd_dri, cmd const[DRM_IOCTL_SET_SAREA_CTX], arg ptr[in, drm_ctx_priv_map])
ioctl$DRM_IOCTL_GET_SAREA_CTX(fd fd_dri, cmd const[DRM_IOCTL_GET_SAREA_CTX], arg ptr[in, drm_ctx_priv_map])
ioctl$DRM_IOCTL_SET_MASTER(fd fd_dri, cmd const[DRM_IOCTL_SET_MASTER])
ioctl$DRM_IOCTL_DROP_MASTER(fd fd_dri, cmd const[DRM_IOCTL_DROP_MASTER])
ioctl$DRM_IOCTL_ADD_CTX(fd fd_dri, cmd const[DRM_IOCTL_ADD_CTX], arg ptr[out, drm_ctx])
ioctl$DRM_IOCTL_RM_CTX(fd fd_dri, cmd const[DRM_IOCTL_RM_CTX], arg ptr[in, drm_ctx])
ioctl$DRM_IOCTL_GET_CTX(fd fd_dri, cmd const[DRM_IOCTL_GET_CTX], arg ptr[in, drm_ctx])
ioctl$DRM_IOCTL_SWITCH_CTX(fd fd_dri, cmd const[DRM_IOCTL_SWITCH_CTX], arg ptr[in, drm_ctx])
ioctl$DRM_IOCTL_NEW_CTX(fd fd_dri, cmd const[DRM_IOCTL_NEW_CTX], arg ptr[in, drm_ctx])
ioctl$DRM_IOCTL_RES_CTX(fd fd_dri, cmd const[DRM_IOCTL_RES_CTX], arg ptr[in, drm_ctx_res])
ioctl$DRM_IOCTL_LOCK(fd fd_dri, cmd const[DRM_IOCTL_LOCK], arg ptr[in, drm_lock])
ioctl$DRM_IOCTL_UNLOCK(fd fd_dri, cmd const[DRM_IOCTL_UNLOCK], arg ptr[in, drm_lock])
ioctl$DRM_IOCTL_ADD_BUFS(fd fd_dri, cmd const[DRM_IOCTL_ADD_BUFS], arg ptr[in, drm_buf_desc])
ioctl$DRM_IOCTL_MARK_BUFS(fd fd_dri, cmd const[DRM_IOCTL_MARK_BUFS], arg ptr[in, drm_buf_desc])
ioctl$DRM_IOCTL_INFO_BUFS(fd fd_dri, cmd const[DRM_IOCTL_INFO_BUFS], arg ptr[in, drm_buf_desc])
ioctl$DRM_IOCTL_MAP_BUFS(fd fd_dri, cmd const[DRM_IOCTL_MAP_BUFS], arg ptr[in, drm_buf_map])
ioctl$DRM_IOCTL_FREE_BUFS(fd fd_dri, cmd const[DRM_IOCTL_FREE_BUFS], arg ptr[in, drm_buf_free])
ioctl$DRM_IOCTL_DMA(fd fd_dri, cmd const[DRM_IOCTL_DMA], arg ptr[in, drm_dma])
ioctl$DRM_IOCTL_CONTROL(fd fd_dri, cmd const[DRM_IOCTL_CONTROL], arg ptr[in, drm_control])
ioctl$DRM_IOCTL_AGP_ACQUIRE(fd fd_dri, cmd const[DRM_IOCTL_AGP_ACQUIRE])
ioctl$DRM_IOCTL_AGP_RELEASE(fd fd_dri, cmd const[DRM_IOCTL_AGP_RELEASE])
ioctl$DRM_IOCTL_AGP_ENABLE(fd fd_dri, cmd const[DRM_IOCTL_AGP_ENABLE], arg ptr[in, int32])
ioctl$DRM_IOCTL_AGP_INFO(fd fd_dri, cmd const[DRM_IOCTL_AGP_INFO], arg buffer[out])
ioctl$DRM_IOCTL_AGP_ALLOC(fd fd_dri, cmd const[DRM_IOCTL_AGP_ALLOC], arg ptr[inout, drm_agp_buffer])
ioctl$DRM_IOCTL_AGP_FREE(fd fd_dri, cmd const[DRM_IOCTL_AGP_FREE], arg ptr[in, drm_agp_buffer])
ioctl$DRM_IOCTL_AGP_BIND(fd fd_dri, cmd const[DRM_IOCTL_AGP_BIND], arg ptr[in, drm_agp_binding])
ioctl$DRM_IOCTL_AGP_UNBIND(fd fd_dri, cmd const[DRM_IOCTL_AGP_UNBIND], arg ptr[in, drm_agp_binding])
ioctl$DRM_IOCTL_SG_ALLOC(fd fd_dri, cmd const[DRM_IOCTL_SG_ALLOC], arg ptr[in, drm_scatter_gather])
ioctl$DRM_IOCTL_SG_FREE(fd fd_dri, cmd const[DRM_IOCTL_SG_FREE], arg ptr[in, drm_scatter_gather])
ioctl$DRM_IOCTL_WAIT_VBLANK(fd fd_dri, cmd const[DRM_IOCTL_WAIT_VBLANK], arg ptr[in, drm_wait_vblank])
ioctl$DRM_IOCTL_MODESET_CTL(fd fd_dri, cmd const[DRM_IOCTL_MODESET_CTL], arg ptr[in, drm_modeset_ctl])
ioctl$DRM_IOCTL_GEM_OPEN(fd fd_dri, cmd const[DRM_IOCTL_GEM_OPEN], arg ptr[inout, drm_gem_open])
ioctl$DRM_IOCTL_GEM_CLOSE(fd fd_dri, cmd const[DRM_IOCTL_GEM_CLOSE], arg ptr[in, drm_gem_close])
ioctl$DRM_IOCTL_GEM_FLINK(fd fd_dri, cmd const[DRM_IOCTL_GEM_FLINK], arg ptr[inout, drm_gem_flink])
ioctl$DRM_IOCTL_MODE_GETRESOURCES(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETRESOURCES], arg ptr[in, drm_mode_card_res])
ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(fd fd_dri, cmd const[DRM_IOCTL_PRIME_HANDLE_TO_FD], arg ptr[inout, drm_prime_handle])
ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(fd fd_dri, cmd const[DRM_IOCTL_PRIME_FD_TO_HANDLE], arg ptr[inout, drm_prime_handle])
ioctl$DRM_IOCTL_MODE_GETPLANERESOURCES(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETPLANERESOURCES], arg ptr[in, drm_mode_get_plane_res])
ioctl$DRM_IOCTL_MODE_GETCRTC(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETCRTC], arg ptr[in, drm_mode_crtc])
ioctl$DRM_IOCTL_MODE_SETCRTC(fd fd_dri, cmd const[DRM_IOCTL_MODE_SETCRTC], arg ptr[in, drm_mode_crtc])

#ioctl$DRM_IOCTL_MODE_GETPLANE(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETPLANE], arg ptr[in, drm_mode_get_plane])
#ioctl$DRM_IOCTL_MODE_SETPLANE(fd fd_dri, cmd const[DRM_IOCTL_MODE_SETPLANE], arg ptr[in, drm_mode_set_plane])
#ioctl$DRM_IOCTL_MODE_CURSOR(fd fd_dri, cmd const[DRM_IOCTL_MODE_CURSOR], arg ptr[in, drm_mode_cursor])
#ioctl$DRM_IOCTL_MODE_GETGAMMA(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETGAMMA], arg ptr[in, drm_mode_crtc_lut])
#ioctl$DRM_IOCTL_MODE_SETGAMMA(fd fd_dri, cmd const[DRM_IOCTL_MODE_SETGAMMA], arg ptr[in, drm_mode_crtc_lut])
#ioctl$DRM_IOCTL_MODE_GETENCODER(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETENCODER], arg ptr[in, drm_mode_get_encoder])
#ioctl$DRM_IOCTL_MODE_GETCONNECTOR(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETCONNECTOR], arg ptr[in, drm_mode_get_connector])
#ioctl$DRM_IOCTL_MODE_GETPROPERTY(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETPROPERTY], arg ptr[in, drm_mode_get_property])
#ioctl$DRM_IOCTL_MODE_SETPROPERTY(fd fd_dri, cmd const[DRM_IOCTL_MODE_SETPROPERTY], arg ptr[in, drm_mode_connector_set_property])
#ioctl$DRM_IOCTL_MODE_GETPROPBLOB(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETPROPBLOB], arg ptr[in, drm_mode_get_blob])
#ioctl$DRM_IOCTL_MODE_GETFB(fd fd_dri, cmd const[DRM_IOCTL_MODE_GETFB], arg ptr[in, drm_mode_fb_cmd])
#ioctl$DRM_IOCTL_MODE_ADDFB(fd fd_dri, cmd const[DRM_IOCTL_MODE_ADDFB], arg ptr[in, drm_mode_fb_cmd])
#ioctl$DRM_IOCTL_MODE_ADDFB2(fd fd_dri, cmd const[DRM_IOCTL_MODE_ADDFB2], arg ptr[in, drm_mode_fb_cmd2])
#ioctl$DRM_IOCTL_MODE_RMFB(fd fd_dri, cmd const[DRM_IOCTL_MODE_RMFB], arg ptr[in, int32])
#ioctl$DRM_IOCTL_MODE_PAGE_FLIP(fd fd_dri, cmd const[DRM_IOCTL_MODE_PAGE_FLIP], arg ptr[in, drm_mode_crtc_page_flip])
#ioctl$DRM_IOCTL_MODE_DIRTYFB(fd fd_dri, cmd const[DRM_IOCTL_MODE_DIRTYFB], arg ptr[in, drm_mode_fb_dirty_cmd])
#ioctl$DRM_IOCTL_MODE_CREATE_DUMB(fd fd_dri, cmd const[DRM_IOCTL_MODE_CREATE_DUMB], arg ptr[in, drm_mode_create_dumb])
#ioctl$DRM_IOCTL_MODE_MAP_DUMB(fd fd_dri, cmd const[DRM_IOCTL_MODE_MAP_DUMB], arg ptr[in, drm_mode_map_dumb])
#ioctl$DRM_IOCTL_MODE_DESTROY_DUMB(fd fd_dri, cmd const[DRM_IOCTL_MODE_DESTROY_DUMB], arg ptr[in, drm_mode_destroy_dumb])
#ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(fd fd_dri, cmd const[DRM_IOCTL_MODE_OBJ_GETPROPERTIES], arg ptr[in, drm_mode_obj_get_properties])
#ioctl$DRM_IOCTL_MODE_OBJ_SETPROPERTY(fd fd_dri, cmd const[DRM_IOCTL_MODE_OBJ_SETPROPERTY], arg ptr[in, drm_mode_obj_set_property])
#ioctl$DRM_IOCTL_MODE_CURSOR2(fd fd_dri, cmd const[DRM_IOCTL_MODE_CURSOR2], arg ptr[in, drm_mode_cursor2])
#ioctl$DRM_IOCTL_MODE_ATOMIC(fd fd_dri, cmd const[DRM_IOCTL_MODE_ATOMIC], arg ptr[in, drm_mode_atomic])
#ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(fd fd_dri, cmd const[DRM_IOCTL_MODE_CREATEPROPBLOB], arg ptr[in, drm_mode_create_blob])
#ioctl$DRM_IOCTL_MODE_DESTROYPROPBLOB(fd fd_dri, cmd const[DRM_IOCTL_MODE_DESTROYPROPBLOB], arg ptr[in, drm_mode_destroy_blob])

drm_version {
	maj	int32
	min	int32
	patch	int32
	namelen	len[name, intptr]
	name	buffer[out]
	datelen	len[date, intptr]
	date	buffer[out]
	desclen	len[desc, intptr]
	desc	buffer[out]
}

drm_unique_in {
	len	len[uni, intptr]
	uni	buffer[in]
}

drm_unique_out {
	len	len[uni, intptr]
	uni	buffer[out]
}

drm_irq_busid {
	irq	int32
	bus	int32
	dev	int32
	func	int32
}

drm_map {
	off	vma[opt]
	size	intptr
	type	flags[drm_map_type, int32]
	flags	flags[drm_map_flags, int32]
	handle	vma
	mtrr	int32
}

drm_client {
	idx	int32
	auth	int32
	pid	pid
# pid is declared is long
	pid_pad	const[0, int32]
	uid	uid
# uid is declared is long
	uid_pad	const[0, int32]
	magic	intptr
	iocs	intptr
}

drm_get_cap {
	cap	int64
	val	int64
}

drm_set_version {
	di_maj	int32
	di_min	int32
	dd_maj	int32
	dd_min	int32
}

drm_ctx_priv_map {
	ctxid	drmctx
	handle	buffer[out]
}

drm_ctx {
	handle	drmctx
	flags	flags[drm_ctx_flags, int32]
}

drm_ctx_res {
	count	len[context, int32]
	context	ptr[out, array[drm_ctx]]
}

drm_lock {
	context	drmctx
	flags	flags[drm_lock_flags, int32]
}

drm_buf_desc {
	count	int32
	size	int32
	lomark	int32
	himark	int32
	flags	flags[drm_buf_flags, int32]
# TODO: what is agp addresses? should it be a special type?
	agpaddr	intptr
}

drm_buf_map {
	count	len[list, int32]
	virtual	buffer[out]
	list	ptr[in, array[drm_buf_pub]]
}

drm_buf_pub {
	idx	int32
	total	len[addr, int32]
	used	int32
	addr	buffer[out]
}

drm_buf_free {
	count	len[list, int32]
	list	ptr[in, array[int32]]
}

drm_dma {
	context	drmctx
	sendcnt	len[sendind, int32]
	sendind	ptr[in, array[int32]]
	sendsiz	ptr[in, array[int32]]
	flags	flags[drm_dma_flags, int32]
	reqcnd	len[reqind, int32]
	reqsiz0	int32
	reqind	ptr[in, array[int32]]
	reqsiz	ptr[in, array[int32]]
	granted	const[0, int32]
}

drm_control {
	func	flags[drm_control_type, int32]
	irq	int32
}

drm_agp_buffer {
	size	intptr
	handle	drm_agp_handle[opt]
	type	flags[drm_agp_mem_type, intptr]
	physic	intptr
}

drm_agp_binding {
	handle	drm_agp_handle
	offset	intptr
}

drm_scatter_gather {
	size	intptr
	handle	drm_agp_handle
}

drm_wait_vblank {
	type	flags[drm_vblank_seq_type, int32]
	seq	int32
	signal	signalno
}

drm_modeset_ctl {
	crtc	int32
	cmd	int32
}

drm_gem_open {
# input:
	name	drm_gem_name[opt]
# output:
	handle	drm_gem_handle[opt]
	size	int64
}

drm_gem_close {
	handle	drm_gem_handle
	pad	const[0, int32]
}

drm_gem_flink {
	handle	drm_gem_handle[opt]
	name	drm_gem_name[opt]
}

drm_mode_card_res {
	fbid	ptr[out, array[int32]]
	crtcid	ptr[out, array[int32]]
	connid	ptr[out, array[int32]]
	encid	ptr[out, array[int32]]
	nfbid	len[fbid, int32]
	ncrtcid	len[crtcid, int32]
	nconnid	len[connid, int32]
	nencid	len[encid, int32]
	maxw	const[0, int32]
	maxh	const[0, int32]
	minw	const[0, int32]
	minh	const[0, int32]
}

drm_prime_handle {
	handle	drm_gem_handle
	flags	flags[dup_flags, int32]
	fd	fd_dri
}

drm_mode_get_plane_res {
	ids	ptr[out, array[int32]]
	cnt	len[ids, int32]
}

drm_mode_crtc {
	connect	ptr[in, array[int32]]
	cnt	len[connect, int32]
	crtcid	int32
	x	int32
	y	int32
	gamma	int32
	valid	int32
	mode	drm_mode_modeinfo
}

drm_mode_modeinfo {
	clock	int32
	hdisp	int16
	hsyncs	int16
	hsynce	int16
	htotal	int16
	hskew	int16
	vdisp	int16
	vsyncs	int16
	vsynce	int16
	vtotal	int16
	vscan	int16
	vrefr	int16
	flag	int32
	type	int32
	name	array[int8, DRM_DISPLAY_MODE_LEN]
}

drm_agp_mem_type = 0, 1, 2, AGP_USER_MEMORY, AGP_USER_CACHED_MEMORY
drm_map_type = _DRM_FRAME_BUFFER, _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, _DRM_SCATTER_GATHER, _DRM_CONSISTENT
drm_map_flags = _DRM_RESTRICTED, _DRM_READ_ONLY, _DRM_LOCKED, _DRM_KERNEL, _DRM_WRITE_COMBINING, _DRM_CONTAINS_LOCK, _DRM_REMOVABLE, _DRM_DRIVER
drm_ctx_flags = _DRM_CONTEXT_PRESERVED, _DRM_CONTEXT_2DONLY
drm_lock_flags = _DRM_LOCK_READY, _DRM_LOCK_QUIESCENT, _DRM_LOCK_FLUSH, _DRM_LOCK_FLUSH_ALL, _DRM_HALT_ALL_QUEUES, _DRM_HALT_CUR_QUEUES
drm_buf_flags = _DRM_PAGE_ALIGN, _DRM_AGP_BUFFER, _DRM_SG_BUFFER, _DRM_FB_BUFFER, _DRM_PCI_BUFFER_RO
drm_dma_flags = _DRM_DMA_BLOCK, _DRM_DMA_WHILE_LOCKED, _DRM_DMA_PRIORITY, _DRM_DMA_WAIT, _DRM_DMA_SMALLER_OK, _DRM_DMA_LARGER_OK
drm_control_type = DRM_ADD_COMMAND, DRM_RM_COMMAND, DRM_INST_HANDLER, DRM_UNINST_HANDLER
drm_vblank_seq_type = _DRM_VBLANK_ABSOLUTE, _DRM_VBLANK_RELATIVE, _DRM_VBLANK_HIGH_CRTC_MASK, _DRM_VBLANK_EVENT, _DRM_VBLANK_FLIP, _DRM_VBLANK_NEXTONMISS, _DRM_VBLANK_SECONDARY, _DRM_VBLANK_SIGNAL