1 /************************************************************************** 2 * 3 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * 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 NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef __VMWGFX_DRM_H__ 29 #define __VMWGFX_DRM_H__ 30 31 #include "drm.h" 32 33 #if defined(__cplusplus) 34 extern "C" { 35 #endif 36 37 #define DRM_VMW_MAX_SURFACE_FACES 6 38 #define DRM_VMW_MAX_MIP_LEVELS 24 39 40 41 #define DRM_VMW_GET_PARAM 0 42 #define DRM_VMW_ALLOC_DMABUF 1 43 #define DRM_VMW_ALLOC_BO 1 44 #define DRM_VMW_UNREF_DMABUF 2 45 #define DRM_VMW_HANDLE_CLOSE 2 46 #define DRM_VMW_CURSOR_BYPASS 3 47 /* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/ 48 #define DRM_VMW_CONTROL_STREAM 4 49 #define DRM_VMW_CLAIM_STREAM 5 50 #define DRM_VMW_UNREF_STREAM 6 51 /* guarded by DRM_VMW_PARAM_3D == 1 */ 52 #define DRM_VMW_CREATE_CONTEXT 7 53 #define DRM_VMW_UNREF_CONTEXT 8 54 #define DRM_VMW_CREATE_SURFACE 9 55 #define DRM_VMW_UNREF_SURFACE 10 56 #define DRM_VMW_REF_SURFACE 11 57 #define DRM_VMW_EXECBUF 12 58 #define DRM_VMW_GET_3D_CAP 13 59 #define DRM_VMW_FENCE_WAIT 14 60 #define DRM_VMW_FENCE_SIGNALED 15 61 #define DRM_VMW_FENCE_UNREF 16 62 #define DRM_VMW_FENCE_EVENT 17 63 #define DRM_VMW_PRESENT 18 64 #define DRM_VMW_PRESENT_READBACK 19 65 #define DRM_VMW_UPDATE_LAYOUT 20 66 #define DRM_VMW_CREATE_SHADER 21 67 #define DRM_VMW_UNREF_SHADER 22 68 #define DRM_VMW_GB_SURFACE_CREATE 23 69 #define DRM_VMW_GB_SURFACE_REF 24 70 #define DRM_VMW_SYNCCPU 25 71 #define DRM_VMW_CREATE_EXTENDED_CONTEXT 26 72 #define DRM_VMW_GB_SURFACE_CREATE_EXT 27 73 #define DRM_VMW_GB_SURFACE_REF_EXT 28 74 75 /*************************************************************************/ 76 /** 77 * DRM_VMW_GET_PARAM - get device information. 78 * 79 * DRM_VMW_PARAM_FIFO_OFFSET: 80 * Offset to use to map the first page of the FIFO read-only. 81 * The fifo is mapped using the mmap() system call on the drm device. 82 * 83 * DRM_VMW_PARAM_OVERLAY_IOCTL: 84 * Does the driver support the overlay ioctl. 85 * 86 * DRM_VMW_PARAM_SM4_1 87 * SM4_1 support is enabled. 88 */ 89 90 #define DRM_VMW_PARAM_NUM_STREAMS 0 91 #define DRM_VMW_PARAM_NUM_FREE_STREAMS 1 92 #define DRM_VMW_PARAM_3D 2 93 #define DRM_VMW_PARAM_HW_CAPS 3 94 #define DRM_VMW_PARAM_FIFO_CAPS 4 95 #define DRM_VMW_PARAM_MAX_FB_SIZE 5 96 #define DRM_VMW_PARAM_FIFO_HW_VERSION 6 97 #define DRM_VMW_PARAM_MAX_SURF_MEMORY 7 98 #define DRM_VMW_PARAM_3D_CAPS_SIZE 8 99 #define DRM_VMW_PARAM_MAX_MOB_MEMORY 9 100 #define DRM_VMW_PARAM_MAX_MOB_SIZE 10 101 #define DRM_VMW_PARAM_SCREEN_TARGET 11 102 #define DRM_VMW_PARAM_DX 12 103 #define DRM_VMW_PARAM_HW_CAPS2 13 104 #define DRM_VMW_PARAM_SM4_1 14 105 106 /** 107 * enum drm_vmw_handle_type - handle type for ref ioctls 108 * 109 */ 110 enum drm_vmw_handle_type { 111 DRM_VMW_HANDLE_LEGACY = 0, 112 DRM_VMW_HANDLE_PRIME = 1 113 }; 114 115 /** 116 * struct drm_vmw_getparam_arg 117 * 118 * @value: Returned value. //Out 119 * @param: Parameter to query. //In. 120 * 121 * Argument to the DRM_VMW_GET_PARAM Ioctl. 122 */ 123 124 struct drm_vmw_getparam_arg { 125 __u64 value; 126 __u32 param; 127 __u32 pad64; 128 }; 129 130 /*************************************************************************/ 131 /** 132 * DRM_VMW_CREATE_CONTEXT - Create a host context. 133 * 134 * Allocates a device unique context id, and queues a create context command 135 * for the host. Does not wait for host completion. 136 */ 137 138 /** 139 * struct drm_vmw_context_arg 140 * 141 * @cid: Device unique context ID. 142 * 143 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl. 144 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl. 145 */ 146 147 struct drm_vmw_context_arg { 148 __s32 cid; 149 __u32 pad64; 150 }; 151 152 /*************************************************************************/ 153 /** 154 * DRM_VMW_UNREF_CONTEXT - Create a host context. 155 * 156 * Frees a global context id, and queues a destroy host command for the host. 157 * Does not wait for host completion. The context ID can be used directly 158 * in the command stream and shows up as the same context ID on the host. 159 */ 160 161 /*************************************************************************/ 162 /** 163 * DRM_VMW_CREATE_SURFACE - Create a host suface. 164 * 165 * Allocates a device unique surface id, and queues a create surface command 166 * for the host. Does not wait for host completion. The surface ID can be 167 * used directly in the command stream and shows up as the same surface 168 * ID on the host. 169 */ 170 171 /** 172 * struct drm_wmv_surface_create_req 173 * 174 * @flags: Surface flags as understood by the host. 175 * @format: Surface format as understood by the host. 176 * @mip_levels: Number of mip levels for each face. 177 * An unused face should have 0 encoded. 178 * @size_addr: Address of a user-space array of sruct drm_vmw_size 179 * cast to an __u64 for 32-64 bit compatibility. 180 * The size of the array should equal the total number of mipmap levels. 181 * @shareable: Boolean whether other clients (as identified by file descriptors) 182 * may reference this surface. 183 * @scanout: Boolean whether the surface is intended to be used as a 184 * scanout. 185 * 186 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl. 187 * Output data from the DRM_VMW_REF_SURFACE Ioctl. 188 */ 189 190 struct drm_vmw_surface_create_req { 191 __u32 flags; 192 __u32 format; 193 __u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 194 __u64 size_addr; 195 __s32 shareable; 196 __s32 scanout; 197 }; 198 199 /** 200 * struct drm_wmv_surface_arg 201 * 202 * @sid: Surface id of created surface or surface to destroy or reference. 203 * @handle_type: Handle type for DRM_VMW_REF_SURFACE Ioctl. 204 * 205 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl. 206 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl. 207 * Input argument to the DRM_VMW_REF_SURFACE Ioctl. 208 */ 209 210 struct drm_vmw_surface_arg { 211 __s32 sid; 212 enum drm_vmw_handle_type handle_type; 213 }; 214 215 /** 216 * struct drm_vmw_size ioctl. 217 * 218 * @width - mip level width 219 * @height - mip level height 220 * @depth - mip level depth 221 * 222 * Description of a mip level. 223 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl. 224 */ 225 226 struct drm_vmw_size { 227 __u32 width; 228 __u32 height; 229 __u32 depth; 230 __u32 pad64; 231 }; 232 233 /** 234 * union drm_vmw_surface_create_arg 235 * 236 * @rep: Output data as described above. 237 * @req: Input data as described above. 238 * 239 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl. 240 */ 241 242 union drm_vmw_surface_create_arg { 243 struct drm_vmw_surface_arg rep; 244 struct drm_vmw_surface_create_req req; 245 }; 246 247 /*************************************************************************/ 248 /** 249 * DRM_VMW_REF_SURFACE - Reference a host surface. 250 * 251 * Puts a reference on a host surface with a give sid, as previously 252 * returned by the DRM_VMW_CREATE_SURFACE ioctl. 253 * A reference will make sure the surface isn't destroyed while we hold 254 * it and will allow the calling client to use the surface ID in the command 255 * stream. 256 * 257 * On successful return, the Ioctl returns the surface information given 258 * in the DRM_VMW_CREATE_SURFACE ioctl. 259 */ 260 261 /** 262 * union drm_vmw_surface_reference_arg 263 * 264 * @rep: Output data as described above. 265 * @req: Input data as described above. 266 * 267 * Argument to the DRM_VMW_REF_SURFACE Ioctl. 268 */ 269 270 union drm_vmw_surface_reference_arg { 271 struct drm_vmw_surface_create_req rep; 272 struct drm_vmw_surface_arg req; 273 }; 274 275 /*************************************************************************/ 276 /** 277 * DRM_VMW_UNREF_SURFACE - Unreference a host surface. 278 * 279 * Clear a reference previously put on a host surface. 280 * When all references are gone, including the one implicitly placed 281 * on creation, 282 * a destroy surface command will be queued for the host. 283 * Does not wait for completion. 284 */ 285 286 /*************************************************************************/ 287 /** 288 * DRM_VMW_EXECBUF 289 * 290 * Submit a command buffer for execution on the host, and return a 291 * fence seqno that when signaled, indicates that the command buffer has 292 * executed. 293 */ 294 295 /** 296 * struct drm_vmw_execbuf_arg 297 * 298 * @commands: User-space address of a command buffer cast to an __u64. 299 * @command-size: Size in bytes of the command buffer. 300 * @throttle-us: Sleep until software is less than @throttle_us 301 * microseconds ahead of hardware. The driver may round this value 302 * to the nearest kernel tick. 303 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an 304 * __u64. 305 * @version: Allows expanding the execbuf ioctl parameters without breaking 306 * backwards compatibility, since user-space will always tell the kernel 307 * which version it uses. 308 * @flags: Execbuf flags. 309 * @imported_fence_fd: FD for a fence imported from another device 310 * 311 * Argument to the DRM_VMW_EXECBUF Ioctl. 312 */ 313 314 #define DRM_VMW_EXECBUF_VERSION 2 315 316 #define DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD (1 << 0) 317 #define DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD (1 << 1) 318 319 struct drm_vmw_execbuf_arg { 320 __u64 commands; 321 __u32 command_size; 322 __u32 throttle_us; 323 __u64 fence_rep; 324 __u32 version; 325 __u32 flags; 326 __u32 context_handle; 327 __s32 imported_fence_fd; 328 }; 329 330 /** 331 * struct drm_vmw_fence_rep 332 * 333 * @handle: Fence object handle for fence associated with a command submission. 334 * @mask: Fence flags relevant for this fence object. 335 * @seqno: Fence sequence number in fifo. A fence object with a lower 336 * seqno will signal the EXEC flag before a fence object with a higher 337 * seqno. This can be used by user-space to avoid kernel calls to determine 338 * whether a fence has signaled the EXEC flag. Note that @seqno will 339 * wrap at 32-bit. 340 * @passed_seqno: The highest seqno number processed by the hardware 341 * so far. This can be used to mark user-space fence objects as signaled, and 342 * to determine whether a fence seqno might be stale. 343 * @fd: FD associated with the fence, -1 if not exported 344 * @error: This member should've been set to -EFAULT on submission. 345 * The following actions should be take on completion: 346 * error == -EFAULT: Fence communication failed. The host is synchronized. 347 * Use the last fence id read from the FIFO fence register. 348 * error != 0 && error != -EFAULT: 349 * Fence submission failed. The host is synchronized. Use the fence_seq member. 350 * error == 0: All is OK, The host may not be synchronized. 351 * Use the fence_seq member. 352 * 353 * Input / Output data to the DRM_VMW_EXECBUF Ioctl. 354 */ 355 356 struct drm_vmw_fence_rep { 357 __u32 handle; 358 __u32 mask; 359 __u32 seqno; 360 __u32 passed_seqno; 361 __s32 fd; 362 __s32 error; 363 }; 364 365 /*************************************************************************/ 366 /** 367 * DRM_VMW_ALLOC_BO 368 * 369 * Allocate a buffer object that is visible also to the host. 370 * NOTE: The buffer is 371 * identified by a handle and an offset, which are private to the guest, but 372 * useable in the command stream. The guest kernel may translate these 373 * and patch up the command stream accordingly. In the future, the offset may 374 * be zero at all times, or it may disappear from the interface before it is 375 * fixed. 376 * 377 * The buffer object may stay user-space mapped in the guest at all times, 378 * and is thus suitable for sub-allocation. 379 * 380 * Buffer objects are mapped using the mmap() syscall on the drm device. 381 */ 382 383 /** 384 * struct drm_vmw_alloc_bo_req 385 * 386 * @size: Required minimum size of the buffer. 387 * 388 * Input data to the DRM_VMW_ALLOC_BO Ioctl. 389 */ 390 391 struct drm_vmw_alloc_bo_req { 392 __u32 size; 393 __u32 pad64; 394 }; 395 #define drm_vmw_alloc_dmabuf_req drm_vmw_alloc_bo_req 396 397 /** 398 * struct drm_vmw_bo_rep 399 * 400 * @map_handle: Offset to use in the mmap() call used to map the buffer. 401 * @handle: Handle unique to this buffer. Used for unreferencing. 402 * @cur_gmr_id: GMR id to use in the command stream when this buffer is 403 * referenced. See not above. 404 * @cur_gmr_offset: Offset to use in the command stream when this buffer is 405 * referenced. See note above. 406 * 407 * Output data from the DRM_VMW_ALLOC_BO Ioctl. 408 */ 409 410 struct drm_vmw_bo_rep { 411 __u64 map_handle; 412 __u32 handle; 413 __u32 cur_gmr_id; 414 __u32 cur_gmr_offset; 415 __u32 pad64; 416 }; 417 #define drm_vmw_dmabuf_rep drm_vmw_bo_rep 418 419 /** 420 * union drm_vmw_alloc_bo_arg 421 * 422 * @req: Input data as described above. 423 * @rep: Output data as described above. 424 * 425 * Argument to the DRM_VMW_ALLOC_BO Ioctl. 426 */ 427 428 union drm_vmw_alloc_bo_arg { 429 struct drm_vmw_alloc_bo_req req; 430 struct drm_vmw_bo_rep rep; 431 }; 432 #define drm_vmw_alloc_dmabuf_arg drm_vmw_alloc_bo_arg 433 434 /*************************************************************************/ 435 /** 436 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams. 437 * 438 * This IOCTL controls the overlay units of the svga device. 439 * The SVGA overlay units does not work like regular hardware units in 440 * that they do not automaticaly read back the contents of the given dma 441 * buffer. But instead only read back for each call to this ioctl, and 442 * at any point between this call being made and a following call that 443 * either changes the buffer or disables the stream. 444 */ 445 446 /** 447 * struct drm_vmw_rect 448 * 449 * Defines a rectangle. Used in the overlay ioctl to define 450 * source and destination rectangle. 451 */ 452 453 struct drm_vmw_rect { 454 __s32 x; 455 __s32 y; 456 __u32 w; 457 __u32 h; 458 }; 459 460 /** 461 * struct drm_vmw_control_stream_arg 462 * 463 * @stream_id: Stearm to control 464 * @enabled: If false all following arguments are ignored. 465 * @handle: Handle to buffer for getting data from. 466 * @format: Format of the overlay as understood by the host. 467 * @width: Width of the overlay. 468 * @height: Height of the overlay. 469 * @size: Size of the overlay in bytes. 470 * @pitch: Array of pitches, the two last are only used for YUV12 formats. 471 * @offset: Offset from start of dma buffer to overlay. 472 * @src: Source rect, must be within the defined area above. 473 * @dst: Destination rect, x and y may be negative. 474 * 475 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl. 476 */ 477 478 struct drm_vmw_control_stream_arg { 479 __u32 stream_id; 480 __u32 enabled; 481 482 __u32 flags; 483 __u32 color_key; 484 485 __u32 handle; 486 __u32 offset; 487 __s32 format; 488 __u32 size; 489 __u32 width; 490 __u32 height; 491 __u32 pitch[3]; 492 493 __u32 pad64; 494 struct drm_vmw_rect src; 495 struct drm_vmw_rect dst; 496 }; 497 498 /*************************************************************************/ 499 /** 500 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass. 501 * 502 */ 503 504 #define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0) 505 #define DRM_VMW_CURSOR_BYPASS_FLAGS (1) 506 507 /** 508 * struct drm_vmw_cursor_bypass_arg 509 * 510 * @flags: Flags. 511 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed. 512 * @xpos: X position of cursor. 513 * @ypos: Y position of cursor. 514 * @xhot: X hotspot. 515 * @yhot: Y hotspot. 516 * 517 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl. 518 */ 519 520 struct drm_vmw_cursor_bypass_arg { 521 __u32 flags; 522 __u32 crtc_id; 523 __s32 xpos; 524 __s32 ypos; 525 __s32 xhot; 526 __s32 yhot; 527 }; 528 529 /*************************************************************************/ 530 /** 531 * DRM_VMW_CLAIM_STREAM - Claim a single stream. 532 */ 533 534 /** 535 * struct drm_vmw_context_arg 536 * 537 * @stream_id: Device unique context ID. 538 * 539 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl. 540 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl. 541 */ 542 543 struct drm_vmw_stream_arg { 544 __u32 stream_id; 545 __u32 pad64; 546 }; 547 548 /*************************************************************************/ 549 /** 550 * DRM_VMW_UNREF_STREAM - Unclaim a stream. 551 * 552 * Return a single stream that was claimed by this process. Also makes 553 * sure that the stream has been stopped. 554 */ 555 556 /*************************************************************************/ 557 /** 558 * DRM_VMW_GET_3D_CAP 559 * 560 * Read 3D capabilities from the FIFO 561 * 562 */ 563 564 /** 565 * struct drm_vmw_get_3d_cap_arg 566 * 567 * @buffer: Pointer to a buffer for capability data, cast to an __u64 568 * @size: Max size to copy 569 * 570 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL 571 * ioctls. 572 */ 573 574 struct drm_vmw_get_3d_cap_arg { 575 __u64 buffer; 576 __u32 max_size; 577 __u32 pad64; 578 }; 579 580 /*************************************************************************/ 581 /** 582 * DRM_VMW_FENCE_WAIT 583 * 584 * Waits for a fence object to signal. The wait is interruptible, so that 585 * signals may be delivered during the interrupt. The wait may timeout, 586 * in which case the calls returns -EBUSY. If the wait is restarted, 587 * that is restarting without resetting @cookie_valid to zero, 588 * the timeout is computed from the first call. 589 * 590 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait 591 * on: 592 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command 593 * stream 594 * have executed. 595 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish 596 * commands 597 * in the buffer given to the EXECBUF ioctl returning the fence object handle 598 * are available to user-space. 599 * 600 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the 601 * fenc wait ioctl returns 0, the fence object has been unreferenced after 602 * the wait. 603 */ 604 605 #define DRM_VMW_FENCE_FLAG_EXEC (1 << 0) 606 #define DRM_VMW_FENCE_FLAG_QUERY (1 << 1) 607 608 #define DRM_VMW_WAIT_OPTION_UNREF (1 << 0) 609 610 /** 611 * struct drm_vmw_fence_wait_arg 612 * 613 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. 614 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart. 615 * @kernel_cookie: Set to 0 on first call. Left alone on restart. 616 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout. 617 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick 618 * before returning. 619 * @flags: Fence flags to wait on. 620 * @wait_options: Options that control the behaviour of the wait ioctl. 621 * 622 * Input argument to the DRM_VMW_FENCE_WAIT ioctl. 623 */ 624 625 struct drm_vmw_fence_wait_arg { 626 __u32 handle; 627 __s32 cookie_valid; 628 __u64 kernel_cookie; 629 __u64 timeout_us; 630 __s32 lazy; 631 __s32 flags; 632 __s32 wait_options; 633 __s32 pad64; 634 }; 635 636 /*************************************************************************/ 637 /** 638 * DRM_VMW_FENCE_SIGNALED 639 * 640 * Checks if a fence object is signaled.. 641 */ 642 643 /** 644 * struct drm_vmw_fence_signaled_arg 645 * 646 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. 647 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl 648 * @signaled: Out: Flags signaled. 649 * @sequence: Out: Highest sequence passed so far. Can be used to signal the 650 * EXEC flag of user-space fence objects. 651 * 652 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF 653 * ioctls. 654 */ 655 656 struct drm_vmw_fence_signaled_arg { 657 __u32 handle; 658 __u32 flags; 659 __s32 signaled; 660 __u32 passed_seqno; 661 __u32 signaled_flags; 662 __u32 pad64; 663 }; 664 665 /*************************************************************************/ 666 /** 667 * DRM_VMW_FENCE_UNREF 668 * 669 * Unreferences a fence object, and causes it to be destroyed if there are no 670 * other references to it. 671 * 672 */ 673 674 /** 675 * struct drm_vmw_fence_arg 676 * 677 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl. 678 * 679 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl.. 680 */ 681 682 struct drm_vmw_fence_arg { 683 __u32 handle; 684 __u32 pad64; 685 }; 686 687 688 /*************************************************************************/ 689 /** 690 * DRM_VMW_FENCE_EVENT 691 * 692 * Queues an event on a fence to be delivered on the drm character device 693 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag. 694 * Optionally the approximate time when the fence signaled is 695 * given by the event. 696 */ 697 698 /* 699 * The event type 700 */ 701 #define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000 702 703 struct drm_vmw_event_fence { 704 struct drm_event base; 705 __u64 user_data; 706 __u32 tv_sec; 707 __u32 tv_usec; 708 }; 709 710 /* 711 * Flags that may be given to the command. 712 */ 713 /* Request fence signaled time on the event. */ 714 #define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0) 715 716 /** 717 * struct drm_vmw_fence_event_arg 718 * 719 * @fence_rep: Pointer to fence_rep structure cast to __u64 or 0 if 720 * the fence is not supposed to be referenced by user-space. 721 * @user_info: Info to be delivered with the event. 722 * @handle: Attach the event to this fence only. 723 * @flags: A set of flags as defined above. 724 */ 725 struct drm_vmw_fence_event_arg { 726 __u64 fence_rep; 727 __u64 user_data; 728 __u32 handle; 729 __u32 flags; 730 }; 731 732 733 /*************************************************************************/ 734 /** 735 * DRM_VMW_PRESENT 736 * 737 * Executes an SVGA present on a given fb for a given surface. The surface 738 * is placed on the framebuffer. Cliprects are given relative to the given 739 * point (the point disignated by dest_{x|y}). 740 * 741 */ 742 743 /** 744 * struct drm_vmw_present_arg 745 * @fb_id: framebuffer id to present / read back from. 746 * @sid: Surface id to present from. 747 * @dest_x: X placement coordinate for surface. 748 * @dest_y: Y placement coordinate for surface. 749 * @clips_ptr: Pointer to an array of clip rects cast to an __u64. 750 * @num_clips: Number of cliprects given relative to the framebuffer origin, 751 * in the same coordinate space as the frame buffer. 752 * @pad64: Unused 64-bit padding. 753 * 754 * Input argument to the DRM_VMW_PRESENT ioctl. 755 */ 756 757 struct drm_vmw_present_arg { 758 __u32 fb_id; 759 __u32 sid; 760 __s32 dest_x; 761 __s32 dest_y; 762 __u64 clips_ptr; 763 __u32 num_clips; 764 __u32 pad64; 765 }; 766 767 768 /*************************************************************************/ 769 /** 770 * DRM_VMW_PRESENT_READBACK 771 * 772 * Executes an SVGA present readback from a given fb to the dma buffer 773 * currently bound as the fb. If there is no dma buffer bound to the fb, 774 * an error will be returned. 775 * 776 */ 777 778 /** 779 * struct drm_vmw_present_arg 780 * @fb_id: fb_id to present / read back from. 781 * @num_clips: Number of cliprects. 782 * @clips_ptr: Pointer to an array of clip rects cast to an __u64. 783 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an __u64. 784 * If this member is NULL, then the ioctl should not return a fence. 785 */ 786 787 struct drm_vmw_present_readback_arg { 788 __u32 fb_id; 789 __u32 num_clips; 790 __u64 clips_ptr; 791 __u64 fence_rep; 792 }; 793 794 /*************************************************************************/ 795 /** 796 * DRM_VMW_UPDATE_LAYOUT - Update layout 797 * 798 * Updates the preferred modes and connection status for connectors. The 799 * command consists of one drm_vmw_update_layout_arg pointing to an array 800 * of num_outputs drm_vmw_rect's. 801 */ 802 803 /** 804 * struct drm_vmw_update_layout_arg 805 * 806 * @num_outputs: number of active connectors 807 * @rects: pointer to array of drm_vmw_rect cast to an __u64 808 * 809 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl. 810 */ 811 struct drm_vmw_update_layout_arg { 812 __u32 num_outputs; 813 __u32 pad64; 814 __u64 rects; 815 }; 816 817 818 /*************************************************************************/ 819 /** 820 * DRM_VMW_CREATE_SHADER - Create shader 821 * 822 * Creates a shader and optionally binds it to a dma buffer containing 823 * the shader byte-code. 824 */ 825 826 /** 827 * enum drm_vmw_shader_type - Shader types 828 */ 829 enum drm_vmw_shader_type { 830 drm_vmw_shader_type_vs = 0, 831 drm_vmw_shader_type_ps, 832 }; 833 834 835 /** 836 * struct drm_vmw_shader_create_arg 837 * 838 * @shader_type: Shader type of the shader to create. 839 * @size: Size of the byte-code in bytes. 840 * where the shader byte-code starts 841 * @buffer_handle: Buffer handle identifying the buffer containing the 842 * shader byte-code 843 * @shader_handle: On successful completion contains a handle that 844 * can be used to subsequently identify the shader. 845 * @offset: Offset in bytes into the buffer given by @buffer_handle, 846 * 847 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl. 848 */ 849 struct drm_vmw_shader_create_arg { 850 enum drm_vmw_shader_type shader_type; 851 __u32 size; 852 __u32 buffer_handle; 853 __u32 shader_handle; 854 __u64 offset; 855 }; 856 857 /*************************************************************************/ 858 /** 859 * DRM_VMW_UNREF_SHADER - Unreferences a shader 860 * 861 * Destroys a user-space reference to a shader, optionally destroying 862 * it. 863 */ 864 865 /** 866 * struct drm_vmw_shader_arg 867 * 868 * @handle: Handle identifying the shader to destroy. 869 * 870 * Input argument to the DRM_VMW_UNREF_SHADER ioctl. 871 */ 872 struct drm_vmw_shader_arg { 873 __u32 handle; 874 __u32 pad64; 875 }; 876 877 /*************************************************************************/ 878 /** 879 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface. 880 * 881 * Allocates a surface handle and queues a create surface command 882 * for the host on the first use of the surface. The surface ID can 883 * be used as the surface ID in commands referencing the surface. 884 */ 885 886 /** 887 * enum drm_vmw_surface_flags 888 * 889 * @drm_vmw_surface_flag_shareable: Whether the surface is shareable 890 * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout 891 * surface. 892 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is 893 * given. 894 */ 895 enum drm_vmw_surface_flags { 896 drm_vmw_surface_flag_shareable = (1 << 0), 897 drm_vmw_surface_flag_scanout = (1 << 1), 898 drm_vmw_surface_flag_create_buffer = (1 << 2) 899 }; 900 901 /** 902 * struct drm_vmw_gb_surface_create_req 903 * 904 * @svga3d_flags: SVGA3d surface flags for the device. 905 * @format: SVGA3d format. 906 * @mip_level: Number of mip levels for all faces. 907 * @drm_surface_flags Flags as described above. 908 * @multisample_count Future use. Set to 0. 909 * @autogen_filter Future use. Set to 0. 910 * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID 911 * if none. 912 * @base_size Size of the base mip level for all faces. 913 * @array_size Must be zero for non-DX hardware, and if non-zero 914 * svga3d_flags must have proper bind flags setup. 915 * 916 * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl. 917 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl. 918 */ 919 struct drm_vmw_gb_surface_create_req { 920 __u32 svga3d_flags; 921 __u32 format; 922 __u32 mip_levels; 923 enum drm_vmw_surface_flags drm_surface_flags; 924 __u32 multisample_count; 925 __u32 autogen_filter; 926 __u32 buffer_handle; 927 __u32 array_size; 928 struct drm_vmw_size base_size; 929 }; 930 931 /** 932 * struct drm_vmw_gb_surface_create_rep 933 * 934 * @handle: Surface handle. 935 * @backup_size: Size of backup buffers for this surface. 936 * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none. 937 * @buffer_size: Actual size of the buffer identified by 938 * @buffer_handle 939 * @buffer_map_handle: Offset into device address space for the buffer 940 * identified by @buffer_handle. 941 * 942 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl. 943 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl. 944 */ 945 struct drm_vmw_gb_surface_create_rep { 946 __u32 handle; 947 __u32 backup_size; 948 __u32 buffer_handle; 949 __u32 buffer_size; 950 __u64 buffer_map_handle; 951 }; 952 953 /** 954 * union drm_vmw_gb_surface_create_arg 955 * 956 * @req: Input argument as described above. 957 * @rep: Output argument as described above. 958 * 959 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl. 960 */ 961 union drm_vmw_gb_surface_create_arg { 962 struct drm_vmw_gb_surface_create_rep rep; 963 struct drm_vmw_gb_surface_create_req req; 964 }; 965 966 /*************************************************************************/ 967 /** 968 * DRM_VMW_GB_SURFACE_REF - Reference a host surface. 969 * 970 * Puts a reference on a host surface with a given handle, as previously 971 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl. 972 * A reference will make sure the surface isn't destroyed while we hold 973 * it and will allow the calling client to use the surface handle in 974 * the command stream. 975 * 976 * On successful return, the Ioctl returns the surface information given 977 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl. 978 */ 979 980 /** 981 * struct drm_vmw_gb_surface_reference_arg 982 * 983 * @creq: The data used as input when the surface was created, as described 984 * above at "struct drm_vmw_gb_surface_create_req" 985 * @crep: Additional data output when the surface was created, as described 986 * above at "struct drm_vmw_gb_surface_create_rep" 987 * 988 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl. 989 */ 990 struct drm_vmw_gb_surface_ref_rep { 991 struct drm_vmw_gb_surface_create_req creq; 992 struct drm_vmw_gb_surface_create_rep crep; 993 }; 994 995 /** 996 * union drm_vmw_gb_surface_reference_arg 997 * 998 * @req: Input data as described above at "struct drm_vmw_surface_arg" 999 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep" 1000 * 1001 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl. 1002 */ 1003 union drm_vmw_gb_surface_reference_arg { 1004 struct drm_vmw_gb_surface_ref_rep rep; 1005 struct drm_vmw_surface_arg req; 1006 }; 1007 1008 1009 /*************************************************************************/ 1010 /** 1011 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access. 1012 * 1013 * Idles any previously submitted GPU operations on the buffer and 1014 * by default blocks command submissions that reference the buffer. 1015 * If the file descriptor used to grab a blocking CPU sync is closed, the 1016 * cpu sync is released. 1017 * The flags argument indicates how the grab / release operation should be 1018 * performed: 1019 */ 1020 1021 /** 1022 * enum drm_vmw_synccpu_flags - Synccpu flags: 1023 * 1024 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a 1025 * hint to the kernel to allow command submissions that references the buffer 1026 * for read-only. 1027 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions 1028 * referencing this buffer. 1029 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return 1030 * -EBUSY should the buffer be busy. 1031 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer 1032 * while the buffer is synced for CPU. This is similar to the GEM bo idle 1033 * behavior. 1034 */ 1035 enum drm_vmw_synccpu_flags { 1036 drm_vmw_synccpu_read = (1 << 0), 1037 drm_vmw_synccpu_write = (1 << 1), 1038 drm_vmw_synccpu_dontblock = (1 << 2), 1039 drm_vmw_synccpu_allow_cs = (1 << 3) 1040 }; 1041 1042 /** 1043 * enum drm_vmw_synccpu_op - Synccpu operations: 1044 * 1045 * @drm_vmw_synccpu_grab: Grab the buffer for CPU operations 1046 * @drm_vmw_synccpu_release: Release a previous grab. 1047 */ 1048 enum drm_vmw_synccpu_op { 1049 drm_vmw_synccpu_grab, 1050 drm_vmw_synccpu_release 1051 }; 1052 1053 /** 1054 * struct drm_vmw_synccpu_arg 1055 * 1056 * @op: The synccpu operation as described above. 1057 * @handle: Handle identifying the buffer object. 1058 * @flags: Flags as described above. 1059 */ 1060 struct drm_vmw_synccpu_arg { 1061 enum drm_vmw_synccpu_op op; 1062 enum drm_vmw_synccpu_flags flags; 1063 __u32 handle; 1064 __u32 pad64; 1065 }; 1066 1067 /*************************************************************************/ 1068 /** 1069 * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context. 1070 * 1071 * Allocates a device unique context id, and queues a create context command 1072 * for the host. Does not wait for host completion. 1073 */ 1074 enum drm_vmw_extended_context { 1075 drm_vmw_context_legacy, 1076 drm_vmw_context_dx 1077 }; 1078 1079 /** 1080 * union drm_vmw_extended_context_arg 1081 * 1082 * @req: Context type. 1083 * @rep: Context identifier. 1084 * 1085 * Argument to the DRM_VMW_CREATE_EXTENDED_CONTEXT Ioctl. 1086 */ 1087 union drm_vmw_extended_context_arg { 1088 enum drm_vmw_extended_context req; 1089 struct drm_vmw_context_arg rep; 1090 }; 1091 1092 /*************************************************************************/ 1093 /* 1094 * DRM_VMW_HANDLE_CLOSE - Close a user-space handle and release its 1095 * underlying resource. 1096 * 1097 * Note that this ioctl is overlaid on the deprecated DRM_VMW_UNREF_DMABUF 1098 * Ioctl. 1099 */ 1100 1101 /** 1102 * struct drm_vmw_handle_close_arg 1103 * 1104 * @handle: Handle to close. 1105 * 1106 * Argument to the DRM_VMW_HANDLE_CLOSE Ioctl. 1107 */ 1108 struct drm_vmw_handle_close_arg { 1109 __u32 handle; 1110 __u32 pad64; 1111 }; 1112 #define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg 1113 1114 /*************************************************************************/ 1115 /** 1116 * DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface. 1117 * 1118 * Allocates a surface handle and queues a create surface command 1119 * for the host on the first use of the surface. The surface ID can 1120 * be used as the surface ID in commands referencing the surface. 1121 * 1122 * This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version 1123 * parameter and 64 bit svga flag. 1124 */ 1125 1126 /** 1127 * enum drm_vmw_surface_version 1128 * 1129 * @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with 1130 * svga3d surface flags split into 2, upper half and lower half. 1131 */ 1132 enum drm_vmw_surface_version { 1133 drm_vmw_gb_surface_v1 1134 }; 1135 1136 /** 1137 * struct drm_vmw_gb_surface_create_ext_req 1138 * 1139 * @base: Surface create parameters. 1140 * @version: Version of surface create ioctl. 1141 * @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags. 1142 * @multisample_pattern: Multisampling pattern when msaa is supported. 1143 * @quality_level: Precision settings for each sample. 1144 * @must_be_zero: Reserved for future usage. 1145 * 1146 * Input argument to the DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl. 1147 * Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl. 1148 */ 1149 struct drm_vmw_gb_surface_create_ext_req { 1150 struct drm_vmw_gb_surface_create_req base; 1151 enum drm_vmw_surface_version version; 1152 uint32_t svga3d_flags_upper_32_bits; 1153 SVGA3dMSPattern multisample_pattern; 1154 SVGA3dMSQualityLevel quality_level; 1155 uint64_t must_be_zero; 1156 }; 1157 1158 /** 1159 * union drm_vmw_gb_surface_create_ext_arg 1160 * 1161 * @req: Input argument as described above. 1162 * @rep: Output argument as described above. 1163 * 1164 * Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl. 1165 */ 1166 union drm_vmw_gb_surface_create_ext_arg { 1167 struct drm_vmw_gb_surface_create_rep rep; 1168 struct drm_vmw_gb_surface_create_ext_req req; 1169 }; 1170 1171 /*************************************************************************/ 1172 /** 1173 * DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface. 1174 * 1175 * Puts a reference on a host surface with a given handle, as previously 1176 * returned by the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl. 1177 * A reference will make sure the surface isn't destroyed while we hold 1178 * it and will allow the calling client to use the surface handle in 1179 * the command stream. 1180 * 1181 * On successful return, the Ioctl returns the surface information given 1182 * to and returned from the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl. 1183 */ 1184 1185 /** 1186 * struct drm_vmw_gb_surface_ref_ext_rep 1187 * 1188 * @creq: The data used as input when the surface was created, as described 1189 * above at "struct drm_vmw_gb_surface_create_ext_req" 1190 * @crep: Additional data output when the surface was created, as described 1191 * above at "struct drm_vmw_gb_surface_create_rep" 1192 * 1193 * Output Argument to the DRM_VMW_GB_SURFACE_REF_EXT ioctl. 1194 */ 1195 struct drm_vmw_gb_surface_ref_ext_rep { 1196 struct drm_vmw_gb_surface_create_ext_req creq; 1197 struct drm_vmw_gb_surface_create_rep crep; 1198 }; 1199 1200 /** 1201 * union drm_vmw_gb_surface_reference_ext_arg 1202 * 1203 * @req: Input data as described above at "struct drm_vmw_surface_arg" 1204 * @rep: Output data as described above at 1205 * "struct drm_vmw_gb_surface_ref_ext_rep" 1206 * 1207 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl. 1208 */ 1209 union drm_vmw_gb_surface_reference_ext_arg { 1210 struct drm_vmw_gb_surface_ref_ext_rep rep; 1211 struct drm_vmw_surface_arg req; 1212 }; 1213 1214 #if defined(__cplusplus) 1215 } 1216 #endif 1217 1218 #endif 1219
