xref: /openbmc/linux/include/uapi/drm/drm_mode.h (revision 92a76f6d)
1 /*
2  * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
3  * Copyright (c) 2007 Jakob Bornecrantz <wallbraker@gmail.com>
4  * Copyright (c) 2008 Red Hat Inc.
5  * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
6  * Copyright (c) 2007-2008 Intel Corporation
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a
9  * copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation
11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12  * and/or sell copies of the Software, and to permit persons to whom the
13  * Software is furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24  * IN THE SOFTWARE.
25  */
26 
27 #ifndef _DRM_MODE_H
28 #define _DRM_MODE_H
29 
30 #include "drm.h"
31 
32 #define DRM_DISPLAY_INFO_LEN	32
33 #define DRM_CONNECTOR_NAME_LEN	32
34 #define DRM_DISPLAY_MODE_LEN	32
35 #define DRM_PROP_NAME_LEN	32
36 
37 #define DRM_MODE_TYPE_BUILTIN	(1<<0)
38 #define DRM_MODE_TYPE_CLOCK_C	((1<<1) | DRM_MODE_TYPE_BUILTIN)
39 #define DRM_MODE_TYPE_CRTC_C	((1<<2) | DRM_MODE_TYPE_BUILTIN)
40 #define DRM_MODE_TYPE_PREFERRED	(1<<3)
41 #define DRM_MODE_TYPE_DEFAULT	(1<<4)
42 #define DRM_MODE_TYPE_USERDEF	(1<<5)
43 #define DRM_MODE_TYPE_DRIVER	(1<<6)
44 
45 /* Video mode flags */
46 /* bit compatible with the xorg definitions. */
47 #define DRM_MODE_FLAG_PHSYNC			(1<<0)
48 #define DRM_MODE_FLAG_NHSYNC			(1<<1)
49 #define DRM_MODE_FLAG_PVSYNC			(1<<2)
50 #define DRM_MODE_FLAG_NVSYNC			(1<<3)
51 #define DRM_MODE_FLAG_INTERLACE			(1<<4)
52 #define DRM_MODE_FLAG_DBLSCAN			(1<<5)
53 #define DRM_MODE_FLAG_CSYNC			(1<<6)
54 #define DRM_MODE_FLAG_PCSYNC			(1<<7)
55 #define DRM_MODE_FLAG_NCSYNC			(1<<8)
56 #define DRM_MODE_FLAG_HSKEW			(1<<9) /* hskew provided */
57 #define DRM_MODE_FLAG_BCAST			(1<<10)
58 #define DRM_MODE_FLAG_PIXMUX			(1<<11)
59 #define DRM_MODE_FLAG_DBLCLK			(1<<12)
60 #define DRM_MODE_FLAG_CLKDIV2			(1<<13)
61  /*
62   * When adding a new stereo mode don't forget to adjust DRM_MODE_FLAGS_3D_MAX
63   * (define not exposed to user space).
64   */
65 #define DRM_MODE_FLAG_3D_MASK			(0x1f<<14)
66 #define  DRM_MODE_FLAG_3D_NONE			(0<<14)
67 #define  DRM_MODE_FLAG_3D_FRAME_PACKING		(1<<14)
68 #define  DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE	(2<<14)
69 #define  DRM_MODE_FLAG_3D_LINE_ALTERNATIVE	(3<<14)
70 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL	(4<<14)
71 #define  DRM_MODE_FLAG_3D_L_DEPTH		(5<<14)
72 #define  DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH	(6<<14)
73 #define  DRM_MODE_FLAG_3D_TOP_AND_BOTTOM	(7<<14)
74 #define  DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF	(8<<14)
75 
76 
77 /* DPMS flags */
78 /* bit compatible with the xorg definitions. */
79 #define DRM_MODE_DPMS_ON	0
80 #define DRM_MODE_DPMS_STANDBY	1
81 #define DRM_MODE_DPMS_SUSPEND	2
82 #define DRM_MODE_DPMS_OFF	3
83 
84 /* Scaling mode options */
85 #define DRM_MODE_SCALE_NONE		0 /* Unmodified timing (display or
86 					     software can still scale) */
87 #define DRM_MODE_SCALE_FULLSCREEN	1 /* Full screen, ignore aspect */
88 #define DRM_MODE_SCALE_CENTER		2 /* Centered, no scaling */
89 #define DRM_MODE_SCALE_ASPECT		3 /* Full screen, preserve aspect */
90 
91 /* Picture aspect ratio options */
92 #define DRM_MODE_PICTURE_ASPECT_NONE	0
93 #define DRM_MODE_PICTURE_ASPECT_4_3	1
94 #define DRM_MODE_PICTURE_ASPECT_16_9	2
95 
96 /* Dithering mode options */
97 #define DRM_MODE_DITHERING_OFF	0
98 #define DRM_MODE_DITHERING_ON	1
99 #define DRM_MODE_DITHERING_AUTO 2
100 
101 /* Dirty info options */
102 #define DRM_MODE_DIRTY_OFF      0
103 #define DRM_MODE_DIRTY_ON       1
104 #define DRM_MODE_DIRTY_ANNOTATE 2
105 
106 struct drm_mode_modeinfo {
107 	__u32 clock;
108 	__u16 hdisplay;
109 	__u16 hsync_start;
110 	__u16 hsync_end;
111 	__u16 htotal;
112 	__u16 hskew;
113 	__u16 vdisplay;
114 	__u16 vsync_start;
115 	__u16 vsync_end;
116 	__u16 vtotal;
117 	__u16 vscan;
118 
119 	__u32 vrefresh;
120 
121 	__u32 flags;
122 	__u32 type;
123 	char name[DRM_DISPLAY_MODE_LEN];
124 };
125 
126 struct drm_mode_card_res {
127 	__u64 fb_id_ptr;
128 	__u64 crtc_id_ptr;
129 	__u64 connector_id_ptr;
130 	__u64 encoder_id_ptr;
131 	__u32 count_fbs;
132 	__u32 count_crtcs;
133 	__u32 count_connectors;
134 	__u32 count_encoders;
135 	__u32 min_width;
136 	__u32 max_width;
137 	__u32 min_height;
138 	__u32 max_height;
139 };
140 
141 struct drm_mode_crtc {
142 	__u64 set_connectors_ptr;
143 	__u32 count_connectors;
144 
145 	__u32 crtc_id; /**< Id */
146 	__u32 fb_id; /**< Id of framebuffer */
147 
148 	__u32 x; /**< x Position on the framebuffer */
149 	__u32 y; /**< y Position on the framebuffer */
150 
151 	__u32 gamma_size;
152 	__u32 mode_valid;
153 	struct drm_mode_modeinfo mode;
154 };
155 
156 #define DRM_MODE_PRESENT_TOP_FIELD	(1<<0)
157 #define DRM_MODE_PRESENT_BOTTOM_FIELD	(1<<1)
158 
159 /* Planes blend with or override other bits on the CRTC */
160 struct drm_mode_set_plane {
161 	__u32 plane_id;
162 	__u32 crtc_id;
163 	__u32 fb_id; /* fb object contains surface format type */
164 	__u32 flags; /* see above flags */
165 
166 	/* Signed dest location allows it to be partially off screen */
167 	__s32 crtc_x;
168 	__s32 crtc_y;
169 	__u32 crtc_w;
170 	__u32 crtc_h;
171 
172 	/* Source values are 16.16 fixed point */
173 	__u32 src_x;
174 	__u32 src_y;
175 	__u32 src_h;
176 	__u32 src_w;
177 };
178 
179 struct drm_mode_get_plane {
180 	__u32 plane_id;
181 
182 	__u32 crtc_id;
183 	__u32 fb_id;
184 
185 	__u32 possible_crtcs;
186 	__u32 gamma_size;
187 
188 	__u32 count_format_types;
189 	__u64 format_type_ptr;
190 };
191 
192 struct drm_mode_get_plane_res {
193 	__u64 plane_id_ptr;
194 	__u32 count_planes;
195 };
196 
197 #define DRM_MODE_ENCODER_NONE	0
198 #define DRM_MODE_ENCODER_DAC	1
199 #define DRM_MODE_ENCODER_TMDS	2
200 #define DRM_MODE_ENCODER_LVDS	3
201 #define DRM_MODE_ENCODER_TVDAC	4
202 #define DRM_MODE_ENCODER_VIRTUAL 5
203 #define DRM_MODE_ENCODER_DSI	6
204 #define DRM_MODE_ENCODER_DPMST	7
205 
206 struct drm_mode_get_encoder {
207 	__u32 encoder_id;
208 	__u32 encoder_type;
209 
210 	__u32 crtc_id; /**< Id of crtc */
211 
212 	__u32 possible_crtcs;
213 	__u32 possible_clones;
214 };
215 
216 /* This is for connectors with multiple signal types. */
217 /* Try to match DRM_MODE_CONNECTOR_X as closely as possible. */
218 #define DRM_MODE_SUBCONNECTOR_Automatic	0
219 #define DRM_MODE_SUBCONNECTOR_Unknown	0
220 #define DRM_MODE_SUBCONNECTOR_DVID	3
221 #define DRM_MODE_SUBCONNECTOR_DVIA	4
222 #define DRM_MODE_SUBCONNECTOR_Composite	5
223 #define DRM_MODE_SUBCONNECTOR_SVIDEO	6
224 #define DRM_MODE_SUBCONNECTOR_Component	8
225 #define DRM_MODE_SUBCONNECTOR_SCART	9
226 
227 #define DRM_MODE_CONNECTOR_Unknown	0
228 #define DRM_MODE_CONNECTOR_VGA		1
229 #define DRM_MODE_CONNECTOR_DVII		2
230 #define DRM_MODE_CONNECTOR_DVID		3
231 #define DRM_MODE_CONNECTOR_DVIA		4
232 #define DRM_MODE_CONNECTOR_Composite	5
233 #define DRM_MODE_CONNECTOR_SVIDEO	6
234 #define DRM_MODE_CONNECTOR_LVDS		7
235 #define DRM_MODE_CONNECTOR_Component	8
236 #define DRM_MODE_CONNECTOR_9PinDIN	9
237 #define DRM_MODE_CONNECTOR_DisplayPort	10
238 #define DRM_MODE_CONNECTOR_HDMIA	11
239 #define DRM_MODE_CONNECTOR_HDMIB	12
240 #define DRM_MODE_CONNECTOR_TV		13
241 #define DRM_MODE_CONNECTOR_eDP		14
242 #define DRM_MODE_CONNECTOR_VIRTUAL      15
243 #define DRM_MODE_CONNECTOR_DSI		16
244 
245 struct drm_mode_get_connector {
246 
247 	__u64 encoders_ptr;
248 	__u64 modes_ptr;
249 	__u64 props_ptr;
250 	__u64 prop_values_ptr;
251 
252 	__u32 count_modes;
253 	__u32 count_props;
254 	__u32 count_encoders;
255 
256 	__u32 encoder_id; /**< Current Encoder */
257 	__u32 connector_id; /**< Id */
258 	__u32 connector_type;
259 	__u32 connector_type_id;
260 
261 	__u32 connection;
262 	__u32 mm_width;  /**< width in millimeters */
263 	__u32 mm_height; /**< height in millimeters */
264 	__u32 subpixel;
265 
266 	__u32 pad;
267 };
268 
269 #define DRM_MODE_PROP_PENDING	(1<<0)
270 #define DRM_MODE_PROP_RANGE	(1<<1)
271 #define DRM_MODE_PROP_IMMUTABLE	(1<<2)
272 #define DRM_MODE_PROP_ENUM	(1<<3) /* enumerated type with text strings */
273 #define DRM_MODE_PROP_BLOB	(1<<4)
274 #define DRM_MODE_PROP_BITMASK	(1<<5) /* bitmask of enumerated types */
275 
276 /* non-extended types: legacy bitmask, one bit per type: */
277 #define DRM_MODE_PROP_LEGACY_TYPE  ( \
278 		DRM_MODE_PROP_RANGE | \
279 		DRM_MODE_PROP_ENUM | \
280 		DRM_MODE_PROP_BLOB | \
281 		DRM_MODE_PROP_BITMASK)
282 
283 /* extended-types: rather than continue to consume a bit per type,
284  * grab a chunk of the bits to use as integer type id.
285  */
286 #define DRM_MODE_PROP_EXTENDED_TYPE	0x0000ffc0
287 #define DRM_MODE_PROP_TYPE(n)		((n) << 6)
288 #define DRM_MODE_PROP_OBJECT		DRM_MODE_PROP_TYPE(1)
289 #define DRM_MODE_PROP_SIGNED_RANGE	DRM_MODE_PROP_TYPE(2)
290 
291 /* the PROP_ATOMIC flag is used to hide properties from userspace that
292  * is not aware of atomic properties.  This is mostly to work around
293  * older userspace (DDX drivers) that read/write each prop they find,
294  * witout being aware that this could be triggering a lengthy modeset.
295  */
296 #define DRM_MODE_PROP_ATOMIC        0x80000000
297 
298 struct drm_mode_property_enum {
299 	__u64 value;
300 	char name[DRM_PROP_NAME_LEN];
301 };
302 
303 struct drm_mode_get_property {
304 	__u64 values_ptr; /* values and blob lengths */
305 	__u64 enum_blob_ptr; /* enum and blob id ptrs */
306 
307 	__u32 prop_id;
308 	__u32 flags;
309 	char name[DRM_PROP_NAME_LEN];
310 
311 	__u32 count_values;
312 	/* This is only used to count enum values, not blobs. The _blobs is
313 	 * simply because of a historical reason, i.e. backwards compat. */
314 	__u32 count_enum_blobs;
315 };
316 
317 struct drm_mode_connector_set_property {
318 	__u64 value;
319 	__u32 prop_id;
320 	__u32 connector_id;
321 };
322 
323 struct drm_mode_obj_get_properties {
324 	__u64 props_ptr;
325 	__u64 prop_values_ptr;
326 	__u32 count_props;
327 	__u32 obj_id;
328 	__u32 obj_type;
329 };
330 
331 struct drm_mode_obj_set_property {
332 	__u64 value;
333 	__u32 prop_id;
334 	__u32 obj_id;
335 	__u32 obj_type;
336 };
337 
338 struct drm_mode_get_blob {
339 	__u32 blob_id;
340 	__u32 length;
341 	__u64 data;
342 };
343 
344 struct drm_mode_fb_cmd {
345 	__u32 fb_id;
346 	__u32 width;
347 	__u32 height;
348 	__u32 pitch;
349 	__u32 bpp;
350 	__u32 depth;
351 	/* driver specific handle */
352 	__u32 handle;
353 };
354 
355 #define DRM_MODE_FB_INTERLACED	(1<<0) /* for interlaced framebuffers */
356 #define DRM_MODE_FB_MODIFIERS	(1<<1) /* enables ->modifer[] */
357 
358 struct drm_mode_fb_cmd2 {
359 	__u32 fb_id;
360 	__u32 width;
361 	__u32 height;
362 	__u32 pixel_format; /* fourcc code from drm_fourcc.h */
363 	__u32 flags; /* see above flags */
364 
365 	/*
366 	 * In case of planar formats, this ioctl allows up to 4
367 	 * buffer objects with offsets and pitches per plane.
368 	 * The pitch and offset order is dictated by the fourcc,
369 	 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as:
370 	 *
371 	 *   YUV 4:2:0 image with a plane of 8 bit Y samples
372 	 *   followed by an interleaved U/V plane containing
373 	 *   8 bit 2x2 subsampled colour difference samples.
374 	 *
375 	 * So it would consist of Y as offsets[0] and UV as
376 	 * offsets[1].  Note that offsets[0] will generally
377 	 * be 0 (but this is not required).
378 	 *
379 	 * To accommodate tiled, compressed, etc formats, a per-plane
380 	 * modifier can be specified.  The default value of zero
381 	 * indicates "native" format as specified by the fourcc.
382 	 * Vendor specific modifier token.  This allows, for example,
383 	 * different tiling/swizzling pattern on different planes.
384 	 * See discussion above of DRM_FORMAT_MOD_xxx.
385 	 */
386 	__u32 handles[4];
387 	__u32 pitches[4]; /* pitch for each plane */
388 	__u32 offsets[4]; /* offset of each plane */
389 	__u64 modifier[4]; /* ie, tiling, compressed (per plane) */
390 };
391 
392 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01
393 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02
394 #define DRM_MODE_FB_DIRTY_FLAGS         0x03
395 
396 #define DRM_MODE_FB_DIRTY_MAX_CLIPS     256
397 
398 /*
399  * Mark a region of a framebuffer as dirty.
400  *
401  * Some hardware does not automatically update display contents
402  * as a hardware or software draw to a framebuffer. This ioctl
403  * allows userspace to tell the kernel and the hardware what
404  * regions of the framebuffer have changed.
405  *
406  * The kernel or hardware is free to update more then just the
407  * region specified by the clip rects. The kernel or hardware
408  * may also delay and/or coalesce several calls to dirty into a
409  * single update.
410  *
411  * Userspace may annotate the updates, the annotates are a
412  * promise made by the caller that the change is either a copy
413  * of pixels or a fill of a single color in the region specified.
414  *
415  * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then
416  * the number of updated regions are half of num_clips given,
417  * where the clip rects are paired in src and dst. The width and
418  * height of each one of the pairs must match.
419  *
420  * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller
421  * promises that the region specified of the clip rects is filled
422  * completely with a single color as given in the color argument.
423  */
424 
425 struct drm_mode_fb_dirty_cmd {
426 	__u32 fb_id;
427 	__u32 flags;
428 	__u32 color;
429 	__u32 num_clips;
430 	__u64 clips_ptr;
431 };
432 
433 struct drm_mode_mode_cmd {
434 	__u32 connector_id;
435 	struct drm_mode_modeinfo mode;
436 };
437 
438 #define DRM_MODE_CURSOR_BO	0x01
439 #define DRM_MODE_CURSOR_MOVE	0x02
440 #define DRM_MODE_CURSOR_FLAGS	0x03
441 
442 /*
443  * depending on the value in flags different members are used.
444  *
445  * CURSOR_BO uses
446  *    crtc_id
447  *    width
448  *    height
449  *    handle - if 0 turns the cursor off
450  *
451  * CURSOR_MOVE uses
452  *    crtc_id
453  *    x
454  *    y
455  */
456 struct drm_mode_cursor {
457 	__u32 flags;
458 	__u32 crtc_id;
459 	__s32 x;
460 	__s32 y;
461 	__u32 width;
462 	__u32 height;
463 	/* driver specific handle */
464 	__u32 handle;
465 };
466 
467 struct drm_mode_cursor2 {
468 	__u32 flags;
469 	__u32 crtc_id;
470 	__s32 x;
471 	__s32 y;
472 	__u32 width;
473 	__u32 height;
474 	/* driver specific handle */
475 	__u32 handle;
476 	__s32 hot_x;
477 	__s32 hot_y;
478 };
479 
480 struct drm_mode_crtc_lut {
481 	__u32 crtc_id;
482 	__u32 gamma_size;
483 
484 	/* pointers to arrays */
485 	__u64 red;
486 	__u64 green;
487 	__u64 blue;
488 };
489 
490 struct drm_color_ctm {
491 	/* Conversion matrix in S31.32 format. */
492 	__s64 matrix[9];
493 };
494 
495 struct drm_color_lut {
496 	/*
497 	 * Data is U0.16 fixed point format.
498 	 */
499 	__u16 red;
500 	__u16 green;
501 	__u16 blue;
502 	__u16 reserved;
503 };
504 
505 #define DRM_MODE_PAGE_FLIP_EVENT 0x01
506 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02
507 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC)
508 
509 /*
510  * Request a page flip on the specified crtc.
511  *
512  * This ioctl will ask KMS to schedule a page flip for the specified
513  * crtc.  Once any pending rendering targeting the specified fb (as of
514  * ioctl time) has completed, the crtc will be reprogrammed to display
515  * that fb after the next vertical refresh.  The ioctl returns
516  * immediately, but subsequent rendering to the current fb will block
517  * in the execbuffer ioctl until the page flip happens.  If a page
518  * flip is already pending as the ioctl is called, EBUSY will be
519  * returned.
520  *
521  * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank
522  * event (see drm.h: struct drm_event_vblank) when the page flip is
523  * done.  The user_data field passed in with this ioctl will be
524  * returned as the user_data field in the vblank event struct.
525  *
526  * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen
527  * 'as soon as possible', meaning that it not delay waiting for vblank.
528  * This may cause tearing on the screen.
529  *
530  * The reserved field must be zero until we figure out something
531  * clever to use it for.
532  */
533 
534 struct drm_mode_crtc_page_flip {
535 	__u32 crtc_id;
536 	__u32 fb_id;
537 	__u32 flags;
538 	__u32 reserved;
539 	__u64 user_data;
540 };
541 
542 /* create a dumb scanout buffer */
543 struct drm_mode_create_dumb {
544 	__u32 height;
545 	__u32 width;
546 	__u32 bpp;
547 	__u32 flags;
548 	/* handle, pitch, size will be returned */
549 	__u32 handle;
550 	__u32 pitch;
551 	__u64 size;
552 };
553 
554 /* set up for mmap of a dumb scanout buffer */
555 struct drm_mode_map_dumb {
556 	/** Handle for the object being mapped. */
557 	__u32 handle;
558 	__u32 pad;
559 	/**
560 	 * Fake offset to use for subsequent mmap call
561 	 *
562 	 * This is a fixed-size type for 32/64 compatibility.
563 	 */
564 	__u64 offset;
565 };
566 
567 struct drm_mode_destroy_dumb {
568 	__u32 handle;
569 };
570 
571 /* page-flip flags are valid, plus: */
572 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
573 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
574 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
575 
576 #define DRM_MODE_ATOMIC_FLAGS (\
577 		DRM_MODE_PAGE_FLIP_EVENT |\
578 		DRM_MODE_PAGE_FLIP_ASYNC |\
579 		DRM_MODE_ATOMIC_TEST_ONLY |\
580 		DRM_MODE_ATOMIC_NONBLOCK |\
581 		DRM_MODE_ATOMIC_ALLOW_MODESET)
582 
583 struct drm_mode_atomic {
584 	__u32 flags;
585 	__u32 count_objs;
586 	__u64 objs_ptr;
587 	__u64 count_props_ptr;
588 	__u64 props_ptr;
589 	__u64 prop_values_ptr;
590 	__u64 reserved;
591 	__u64 user_data;
592 };
593 
594 /**
595  * Create a new 'blob' data property, copying length bytes from data pointer,
596  * and returning new blob ID.
597  */
598 struct drm_mode_create_blob {
599 	/** Pointer to data to copy. */
600 	__u64 data;
601 	/** Length of data to copy. */
602 	__u32 length;
603 	/** Return: new property ID. */
604 	__u32 blob_id;
605 };
606 
607 /**
608  * Destroy a user-created blob property.
609  */
610 struct drm_mode_destroy_blob {
611 	__u32 blob_id;
612 };
613 
614 #endif
615