src/gallium/winsys/svga/drm/vmwgfx_drm.h

   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  * @drm_vmw_surface_flag_coherent:      Back surface with coherent memory.
 895  */
 896 enum drm_vmw_surface_flags {
 897         drm_vmw_surface_flag_shareable = (1 << 0),
 898         drm_vmw_surface_flag_scanout = (1 << 1),
 899         drm_vmw_surface_flag_create_buffer = (1 << 2),
 900         drm_vmw_surface_flag_coherent = (1 << 3),
 901 };
 902
 903 /**
 904  * struct drm_vmw_gb_surface_create_req
 905  *
 906  * @svga3d_flags:     SVGA3d surface flags for the device.
 907  * @format:           SVGA3d format.
 908  * @mip_level:        Number of mip levels for all faces.
 909  * @drm_surface_flags Flags as described above.
 910  * @multisample_count Future use. Set to 0.
 911  * @autogen_filter    Future use. Set to 0.
 912  * @buffer_handle     Buffer handle of backup buffer. SVGA3D_INVALID_ID
 913  *                    if none.
 914  * @base_size         Size of the base mip level for all faces.
 915  * @array_size        Must be zero for non-DX hardware, and if non-zero
 916  *                    svga3d_flags must have proper bind flags setup.
 917  *
 918  * Input argument to the  DRM_VMW_GB_SURFACE_CREATE Ioctl.
 919  * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
 920  */
 921 struct drm_vmw_gb_surface_create_req {
 922         __u32 svga3d_flags;
 923         __u32 format;
 924         __u32 mip_levels;
 925         enum drm_vmw_surface_flags drm_surface_flags;
 926         __u32 multisample_count;
 927         __u32 autogen_filter;
 928         __u32 buffer_handle;
 929         __u32 array_size;
 930         struct drm_vmw_size base_size;
 931 };
 932
 933 /**
 934  * struct drm_vmw_gb_surface_create_rep
 935  *
 936  * @handle:            Surface handle.
 937  * @backup_size:       Size of backup buffers for this surface.
 938  * @buffer_handle:     Handle of backup buffer. SVGA3D_INVALID_ID if none.
 939  * @buffer_size:       Actual size of the buffer identified by
 940  *                     @buffer_handle
 941  * @buffer_map_handle: Offset into device address space for the buffer
 942  *                     identified by @buffer_handle.
 943  *
 944  * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
 945  * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
 946  */
 947 struct drm_vmw_gb_surface_create_rep {
 948         __u32 handle;
 949         __u32 backup_size;
 950         __u32 buffer_handle;
 951         __u32 buffer_size;
 952         __u64 buffer_map_handle;
 953 };
 954
 955 /**
 956  * union drm_vmw_gb_surface_create_arg
 957  *
 958  * @req: Input argument as described above.
 959  * @rep: Output argument as described above.
 960  *
 961  * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
 962  */
 963 union drm_vmw_gb_surface_create_arg {
 964         struct drm_vmw_gb_surface_create_rep rep;
 965         struct drm_vmw_gb_surface_create_req req;
 966 };
 967
 968 /*************************************************************************/
 969 /**
 970  * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
 971  *
 972  * Puts a reference on a host surface with a given handle, as previously
 973  * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
 974  * A reference will make sure the surface isn't destroyed while we hold
 975  * it and will allow the calling client to use the surface handle in
 976  * the command stream.
 977  *
 978  * On successful return, the Ioctl returns the surface information given
 979  * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
 980  */
 981
 982 /**
 983  * struct drm_vmw_gb_surface_reference_arg
 984  *
 985  * @creq: The data used as input when the surface was created, as described
 986  *        above at "struct drm_vmw_gb_surface_create_req"
 987  * @crep: Additional data output when the surface was created, as described
 988  *        above at "struct drm_vmw_gb_surface_create_rep"
 989  *
 990  * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
 991  */
 992 struct drm_vmw_gb_surface_ref_rep {
 993         struct drm_vmw_gb_surface_create_req creq;
 994         struct drm_vmw_gb_surface_create_rep crep;
 995 };
 996
 997 /**
 998  * union drm_vmw_gb_surface_reference_arg
 999  *
1000  * @req: Input data as described above at "struct drm_vmw_surface_arg"
1001  * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
1002  *
1003  * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1004  */
1005 union drm_vmw_gb_surface_reference_arg {
1006         struct drm_vmw_gb_surface_ref_rep rep;
1007         struct drm_vmw_surface_arg req;
1008 };
1009
1010
1011 /*************************************************************************/
1012 /**
1013  * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
1014  *
1015  * Idles any previously submitted GPU operations on the buffer and
1016  * by default blocks command submissions that reference the buffer.
1017  * If the file descriptor used to grab a blocking CPU sync is closed, the
1018  * cpu sync is released.
1019  * The flags argument indicates how the grab / release operation should be
1020  * performed:
1021  */
1022
1023 /**
1024  * enum drm_vmw_synccpu_flags - Synccpu flags:
1025  *
1026  * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1027  * hint to the kernel to allow command submissions that references the buffer
1028  * for read-only.
1029  * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1030  * referencing this buffer.
1031  * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1032  * -EBUSY should the buffer be busy.
1033  * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1034  * while the buffer is synced for CPU. This is similar to the GEM bo idle
1035  * behavior.
1036  */
1037 enum drm_vmw_synccpu_flags {
1038         drm_vmw_synccpu_read = (1 << 0),
1039         drm_vmw_synccpu_write = (1 << 1),
1040         drm_vmw_synccpu_dontblock = (1 << 2),
1041         drm_vmw_synccpu_allow_cs = (1 << 3)
1042 };
1043
1044 /**
1045  * enum drm_vmw_synccpu_op - Synccpu operations:
1046  *
1047  * @drm_vmw_synccpu_grab:    Grab the buffer for CPU operations
1048  * @drm_vmw_synccpu_release: Release a previous grab.
1049  */
1050 enum drm_vmw_synccpu_op {
1051         drm_vmw_synccpu_grab,
1052         drm_vmw_synccpu_release
1053 };
1054
1055 /**
1056  * struct drm_vmw_synccpu_arg
1057  *
1058  * @op:                      The synccpu operation as described above.
1059  * @handle:                  Handle identifying the buffer object.
1060  * @flags:                   Flags as described above.
1061  */
1062 struct drm_vmw_synccpu_arg {
1063         enum drm_vmw_synccpu_op op;
1064         enum drm_vmw_synccpu_flags flags;
1065         __u32 handle;
1066         __u32 pad64;
1067 };
1068
1069 /*************************************************************************/
1070 /**
1071  * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context.
1072  *
1073  * Allocates a device unique context id, and queues a create context command
1074  * for the host. Does not wait for host completion.
1075  */
1076 enum drm_vmw_extended_context {
1077         drm_vmw_context_legacy,
1078         drm_vmw_context_dx
1079 };
1080
1081 /**
1082  * union drm_vmw_extended_context_arg
1083  *
1084  * @req: Context type.
1085  * @rep: Context identifier.
1086  *
1087  * Argument to the DRM_VMW_CREATE_EXTENDED_CONTEXT Ioctl.
1088  */
1089 union drm_vmw_extended_context_arg {
1090         enum drm_vmw_extended_context req;
1091         struct drm_vmw_context_arg rep;
1092 };
1093
1094 /*************************************************************************/
1095 /*
1096  * DRM_VMW_HANDLE_CLOSE - Close a user-space handle and release its
1097  * underlying resource.
1098  *
1099  * Note that this ioctl is overlaid on the deprecated DRM_VMW_UNREF_DMABUF
1100  * Ioctl.
1101  */
1102
1103 /**
1104  * struct drm_vmw_handle_close_arg
1105  *
1106  * @handle: Handle to close.
1107  *
1108  * Argument to the DRM_VMW_HANDLE_CLOSE Ioctl.
1109  */
1110 struct drm_vmw_handle_close_arg {
1111         __u32 handle;
1112         __u32 pad64;
1113 };
1114 #define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg
1115
1116 /*************************************************************************/
1117 /**
1118  * DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface.
1119  *
1120  * Allocates a surface handle and queues a create surface command
1121  * for the host on the first use of the surface. The surface ID can
1122  * be used as the surface ID in commands referencing the surface.
1123  *
1124  * This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version
1125  * parameter and 64 bit svga flag.
1126  */
1127
1128 /**
1129  * enum drm_vmw_surface_version
1130  *
1131  * @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with
1132  * svga3d surface flags split into 2, upper half and lower half.
1133  */
1134 enum drm_vmw_surface_version {
1135         drm_vmw_gb_surface_v1
1136 };
1137
1138 /**
1139  * struct drm_vmw_gb_surface_create_ext_req
1140  *
1141  * @base: Surface create parameters.
1142  * @version: Version of surface create ioctl.
1143  * @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags.
1144  * @multisample_pattern: Multisampling pattern when msaa is supported.
1145  * @quality_level: Precision settings for each sample.
1146  * @must_be_zero: Reserved for future usage.
1147  *
1148  * Input argument to the  DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl.
1149  * Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl.
1150  */
1151 struct drm_vmw_gb_surface_create_ext_req {
1152         struct drm_vmw_gb_surface_create_req base;
1153         enum drm_vmw_surface_version version;
1154         uint32_t svga3d_flags_upper_32_bits;
1155         SVGA3dMSPattern multisample_pattern;
1156         SVGA3dMSQualityLevel quality_level;
1157         uint64_t must_be_zero;
1158 };
1159
1160 /**
1161  * union drm_vmw_gb_surface_create_ext_arg
1162  *
1163  * @req: Input argument as described above.
1164  * @rep: Output argument as described above.
1165  *
1166  * Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1167  */
1168 union drm_vmw_gb_surface_create_ext_arg {
1169         struct drm_vmw_gb_surface_create_rep rep;
1170         struct drm_vmw_gb_surface_create_ext_req req;
1171 };
1172
1173 /*************************************************************************/
1174 /**
1175  * DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface.
1176  *
1177  * Puts a reference on a host surface with a given handle, as previously
1178  * returned by the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1179  * A reference will make sure the surface isn't destroyed while we hold
1180  * it and will allow the calling client to use the surface handle in
1181  * the command stream.
1182  *
1183  * On successful return, the Ioctl returns the surface information given
1184  * to and returned from the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1185  */
1186
1187 /**
1188  * struct drm_vmw_gb_surface_ref_ext_rep
1189  *
1190  * @creq: The data used as input when the surface was created, as described
1191  *        above at "struct drm_vmw_gb_surface_create_ext_req"
1192  * @crep: Additional data output when the surface was created, as described
1193  *        above at "struct drm_vmw_gb_surface_create_rep"
1194  *
1195  * Output Argument to the DRM_VMW_GB_SURFACE_REF_EXT ioctl.
1196  */
1197 struct drm_vmw_gb_surface_ref_ext_rep {
1198         struct drm_vmw_gb_surface_create_ext_req creq;
1199         struct drm_vmw_gb_surface_create_rep crep;
1200 };
1201
1202 /**
1203  * union drm_vmw_gb_surface_reference_ext_arg
1204  *
1205  * @req: Input data as described above at "struct drm_vmw_surface_arg"
1206  * @rep: Output data as described above at
1207  *       "struct drm_vmw_gb_surface_ref_ext_rep"
1208  *
1209  * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1210  */
1211 union drm_vmw_gb_surface_reference_ext_arg {
1212         struct drm_vmw_gb_surface_ref_ext_rep rep;
1213         struct drm_vmw_surface_arg req;
1214 };
1215
1216 #if defined(__cplusplus)
1217 }
1218 #endif
1219
1220 #endif