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 #define DRM_MODE_OBJECT_CRTC 0xcccccccc 324 #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 325 #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 326 #define DRM_MODE_OBJECT_MODE 0xdededede 327 #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 328 #define DRM_MODE_OBJECT_FB 0xfbfbfbfb 329 #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb 330 #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee 331 #define DRM_MODE_OBJECT_ANY 0 332 333 struct drm_mode_obj_get_properties { 334 __u64 props_ptr; 335 __u64 prop_values_ptr; 336 __u32 count_props; 337 __u32 obj_id; 338 __u32 obj_type; 339 }; 340 341 struct drm_mode_obj_set_property { 342 __u64 value; 343 __u32 prop_id; 344 __u32 obj_id; 345 __u32 obj_type; 346 }; 347 348 struct drm_mode_get_blob { 349 __u32 blob_id; 350 __u32 length; 351 __u64 data; 352 }; 353 354 struct drm_mode_fb_cmd { 355 __u32 fb_id; 356 __u32 width; 357 __u32 height; 358 __u32 pitch; 359 __u32 bpp; 360 __u32 depth; 361 /* driver specific handle */ 362 __u32 handle; 363 }; 364 365 #define DRM_MODE_FB_INTERLACED (1<<0) /* for interlaced framebuffers */ 366 #define DRM_MODE_FB_MODIFIERS (1<<1) /* enables ->modifer[] */ 367 368 struct drm_mode_fb_cmd2 { 369 __u32 fb_id; 370 __u32 width; 371 __u32 height; 372 __u32 pixel_format; /* fourcc code from drm_fourcc.h */ 373 __u32 flags; /* see above flags */ 374 375 /* 376 * In case of planar formats, this ioctl allows up to 4 377 * buffer objects with offsets and pitches per plane. 378 * The pitch and offset order is dictated by the fourcc, 379 * e.g. NV12 (http://fourcc.org/yuv.php#NV12) is described as: 380 * 381 * YUV 4:2:0 image with a plane of 8 bit Y samples 382 * followed by an interleaved U/V plane containing 383 * 8 bit 2x2 subsampled colour difference samples. 384 * 385 * So it would consist of Y as offsets[0] and UV as 386 * offsets[1]. Note that offsets[0] will generally 387 * be 0 (but this is not required). 388 * 389 * To accommodate tiled, compressed, etc formats, a per-plane 390 * modifier can be specified. The default value of zero 391 * indicates "native" format as specified by the fourcc. 392 * Vendor specific modifier token. This allows, for example, 393 * different tiling/swizzling pattern on different planes. 394 * See discussion above of DRM_FORMAT_MOD_xxx. 395 */ 396 __u32 handles[4]; 397 __u32 pitches[4]; /* pitch for each plane */ 398 __u32 offsets[4]; /* offset of each plane */ 399 __u64 modifier[4]; /* ie, tiling, compressed (per plane) */ 400 }; 401 402 #define DRM_MODE_FB_DIRTY_ANNOTATE_COPY 0x01 403 #define DRM_MODE_FB_DIRTY_ANNOTATE_FILL 0x02 404 #define DRM_MODE_FB_DIRTY_FLAGS 0x03 405 406 #define DRM_MODE_FB_DIRTY_MAX_CLIPS 256 407 408 /* 409 * Mark a region of a framebuffer as dirty. 410 * 411 * Some hardware does not automatically update display contents 412 * as a hardware or software draw to a framebuffer. This ioctl 413 * allows userspace to tell the kernel and the hardware what 414 * regions of the framebuffer have changed. 415 * 416 * The kernel or hardware is free to update more then just the 417 * region specified by the clip rects. The kernel or hardware 418 * may also delay and/or coalesce several calls to dirty into a 419 * single update. 420 * 421 * Userspace may annotate the updates, the annotates are a 422 * promise made by the caller that the change is either a copy 423 * of pixels or a fill of a single color in the region specified. 424 * 425 * If the DRM_MODE_FB_DIRTY_ANNOTATE_COPY flag is given then 426 * the number of updated regions are half of num_clips given, 427 * where the clip rects are paired in src and dst. The width and 428 * height of each one of the pairs must match. 429 * 430 * If the DRM_MODE_FB_DIRTY_ANNOTATE_FILL flag is given the caller 431 * promises that the region specified of the clip rects is filled 432 * completely with a single color as given in the color argument. 433 */ 434 435 struct drm_mode_fb_dirty_cmd { 436 __u32 fb_id; 437 __u32 flags; 438 __u32 color; 439 __u32 num_clips; 440 __u64 clips_ptr; 441 }; 442 443 struct drm_mode_mode_cmd { 444 __u32 connector_id; 445 struct drm_mode_modeinfo mode; 446 }; 447 448 #define DRM_MODE_CURSOR_BO 0x01 449 #define DRM_MODE_CURSOR_MOVE 0x02 450 #define DRM_MODE_CURSOR_FLAGS 0x03 451 452 /* 453 * depending on the value in flags different members are used. 454 * 455 * CURSOR_BO uses 456 * crtc_id 457 * width 458 * height 459 * handle - if 0 turns the cursor off 460 * 461 * CURSOR_MOVE uses 462 * crtc_id 463 * x 464 * y 465 */ 466 struct drm_mode_cursor { 467 __u32 flags; 468 __u32 crtc_id; 469 __s32 x; 470 __s32 y; 471 __u32 width; 472 __u32 height; 473 /* driver specific handle */ 474 __u32 handle; 475 }; 476 477 struct drm_mode_cursor2 { 478 __u32 flags; 479 __u32 crtc_id; 480 __s32 x; 481 __s32 y; 482 __u32 width; 483 __u32 height; 484 /* driver specific handle */ 485 __u32 handle; 486 __s32 hot_x; 487 __s32 hot_y; 488 }; 489 490 struct drm_mode_crtc_lut { 491 __u32 crtc_id; 492 __u32 gamma_size; 493 494 /* pointers to arrays */ 495 __u64 red; 496 __u64 green; 497 __u64 blue; 498 }; 499 500 struct drm_color_ctm { 501 /* Conversion matrix in S31.32 format. */ 502 __s64 matrix[9]; 503 }; 504 505 struct drm_color_lut { 506 /* 507 * Data is U0.16 fixed point format. 508 */ 509 __u16 red; 510 __u16 green; 511 __u16 blue; 512 __u16 reserved; 513 }; 514 515 #define DRM_MODE_PAGE_FLIP_EVENT 0x01 516 #define DRM_MODE_PAGE_FLIP_ASYNC 0x02 517 #define DRM_MODE_PAGE_FLIP_FLAGS (DRM_MODE_PAGE_FLIP_EVENT|DRM_MODE_PAGE_FLIP_ASYNC) 518 519 /* 520 * Request a page flip on the specified crtc. 521 * 522 * This ioctl will ask KMS to schedule a page flip for the specified 523 * crtc. Once any pending rendering targeting the specified fb (as of 524 * ioctl time) has completed, the crtc will be reprogrammed to display 525 * that fb after the next vertical refresh. The ioctl returns 526 * immediately, but subsequent rendering to the current fb will block 527 * in the execbuffer ioctl until the page flip happens. If a page 528 * flip is already pending as the ioctl is called, EBUSY will be 529 * returned. 530 * 531 * Flag DRM_MODE_PAGE_FLIP_EVENT requests that drm sends back a vblank 532 * event (see drm.h: struct drm_event_vblank) when the page flip is 533 * done. The user_data field passed in with this ioctl will be 534 * returned as the user_data field in the vblank event struct. 535 * 536 * Flag DRM_MODE_PAGE_FLIP_ASYNC requests that the flip happen 537 * 'as soon as possible', meaning that it not delay waiting for vblank. 538 * This may cause tearing on the screen. 539 * 540 * The reserved field must be zero until we figure out something 541 * clever to use it for. 542 */ 543 544 struct drm_mode_crtc_page_flip { 545 __u32 crtc_id; 546 __u32 fb_id; 547 __u32 flags; 548 __u32 reserved; 549 __u64 user_data; 550 }; 551 552 /* create a dumb scanout buffer */ 553 struct drm_mode_create_dumb { 554 __u32 height; 555 __u32 width; 556 __u32 bpp; 557 __u32 flags; 558 /* handle, pitch, size will be returned */ 559 __u32 handle; 560 __u32 pitch; 561 __u64 size; 562 }; 563 564 /* set up for mmap of a dumb scanout buffer */ 565 struct drm_mode_map_dumb { 566 /** Handle for the object being mapped. */ 567 __u32 handle; 568 __u32 pad; 569 /** 570 * Fake offset to use for subsequent mmap call 571 * 572 * This is a fixed-size type for 32/64 compatibility. 573 */ 574 __u64 offset; 575 }; 576 577 struct drm_mode_destroy_dumb { 578 __u32 handle; 579 }; 580 581 /* page-flip flags are valid, plus: */ 582 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100 583 #define DRM_MODE_ATOMIC_NONBLOCK 0x0200 584 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400 585 586 #define DRM_MODE_ATOMIC_FLAGS (\ 587 DRM_MODE_PAGE_FLIP_EVENT |\ 588 DRM_MODE_PAGE_FLIP_ASYNC |\ 589 DRM_MODE_ATOMIC_TEST_ONLY |\ 590 DRM_MODE_ATOMIC_NONBLOCK |\ 591 DRM_MODE_ATOMIC_ALLOW_MODESET) 592 593 struct drm_mode_atomic { 594 __u32 flags; 595 __u32 count_objs; 596 __u64 objs_ptr; 597 __u64 count_props_ptr; 598 __u64 props_ptr; 599 __u64 prop_values_ptr; 600 __u64 reserved; 601 __u64 user_data; 602 }; 603 604 /** 605 * Create a new 'blob' data property, copying length bytes from data pointer, 606 * and returning new blob ID. 607 */ 608 struct drm_mode_create_blob { 609 /** Pointer to data to copy. */ 610 __u64 data; 611 /** Length of data to copy. */ 612 __u32 length; 613 /** Return: new property ID. */ 614 __u32 blob_id; 615 }; 616 617 /** 618 * Destroy a user-created blob property. 619 */ 620 struct drm_mode_destroy_blob { 621 __u32 blob_id; 622 }; 623 624 #endif 625