1 /************************************************************************** 2 * 3 * Copyright © 2009 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_DRV_H_ 29 #define _VMWGFX_DRV_H_ 30 31 #include "vmwgfx_reg.h" 32 #include <drm/drmP.h> 33 #include <drm/vmwgfx_drm.h> 34 #include <drm/drm_hashtab.h> 35 #include <linux/suspend.h> 36 #include <drm/ttm/ttm_bo_driver.h> 37 #include <drm/ttm/ttm_object.h> 38 #include <drm/ttm/ttm_lock.h> 39 #include <drm/ttm/ttm_execbuf_util.h> 40 #include <drm/ttm/ttm_module.h> 41 #include "vmwgfx_fence.h" 42 43 #define VMWGFX_DRIVER_DATE "20140704" 44 #define VMWGFX_DRIVER_MAJOR 2 45 #define VMWGFX_DRIVER_MINOR 6 46 #define VMWGFX_DRIVER_PATCHLEVEL 1 47 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 48 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 49 #define VMWGFX_MAX_RELOCATIONS 2048 50 #define VMWGFX_MAX_VALIDATIONS 2048 51 #define VMWGFX_MAX_DISPLAYS 16 52 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 53 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 0 54 55 /* 56 * Perhaps we should have sysfs entries for these. 57 */ 58 #define VMWGFX_NUM_GB_CONTEXT 256 59 #define VMWGFX_NUM_GB_SHADER 20000 60 #define VMWGFX_NUM_GB_SURFACE 32768 61 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 62 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 63 VMWGFX_NUM_GB_SHADER +\ 64 VMWGFX_NUM_GB_SURFACE +\ 65 VMWGFX_NUM_GB_SCREEN_TARGET) 66 67 #define VMW_PL_GMR TTM_PL_PRIV0 68 #define VMW_PL_FLAG_GMR TTM_PL_FLAG_PRIV0 69 #define VMW_PL_MOB TTM_PL_PRIV1 70 #define VMW_PL_FLAG_MOB TTM_PL_FLAG_PRIV1 71 72 #define VMW_RES_CONTEXT ttm_driver_type0 73 #define VMW_RES_SURFACE ttm_driver_type1 74 #define VMW_RES_STREAM ttm_driver_type2 75 #define VMW_RES_FENCE ttm_driver_type3 76 #define VMW_RES_SHADER ttm_driver_type4 77 78 struct vmw_fpriv { 79 struct drm_master *locked_master; 80 struct ttm_object_file *tfile; 81 struct list_head fence_events; 82 bool gb_aware; 83 }; 84 85 struct vmw_dma_buffer { 86 struct ttm_buffer_object base; 87 struct list_head res_list; 88 }; 89 90 /** 91 * struct vmw_validate_buffer - Carries validation info about buffers. 92 * 93 * @base: Validation info for TTM. 94 * @hash: Hash entry for quick lookup of the TTM buffer object. 95 * 96 * This structure contains also driver private validation info 97 * on top of the info needed by TTM. 98 */ 99 struct vmw_validate_buffer { 100 struct ttm_validate_buffer base; 101 struct drm_hash_item hash; 102 bool validate_as_mob; 103 }; 104 105 struct vmw_res_func; 106 struct vmw_resource { 107 struct kref kref; 108 struct vmw_private *dev_priv; 109 int id; 110 bool avail; 111 unsigned long backup_size; 112 bool res_dirty; /* Protected by backup buffer reserved */ 113 bool backup_dirty; /* Protected by backup buffer reserved */ 114 struct vmw_dma_buffer *backup; 115 unsigned long backup_offset; 116 const struct vmw_res_func *func; 117 struct list_head lru_head; /* Protected by the resource lock */ 118 struct list_head mob_head; /* Protected by @backup reserved */ 119 struct list_head binding_head; /* Protected by binding_mutex */ 120 void (*res_free) (struct vmw_resource *res); 121 void (*hw_destroy) (struct vmw_resource *res); 122 }; 123 124 125 /* 126 * Resources that are managed using ioctls. 127 */ 128 enum vmw_res_type { 129 vmw_res_context, 130 vmw_res_surface, 131 vmw_res_stream, 132 vmw_res_shader, 133 vmw_res_max 134 }; 135 136 /* 137 * Resources that are managed using command streams. 138 */ 139 enum vmw_cmdbuf_res_type { 140 vmw_cmdbuf_res_compat_shader 141 }; 142 143 struct vmw_cmdbuf_res_manager; 144 145 struct vmw_cursor_snooper { 146 struct drm_crtc *crtc; 147 size_t age; 148 uint32_t *image; 149 }; 150 151 struct vmw_framebuffer; 152 struct vmw_surface_offset; 153 154 struct vmw_surface { 155 struct vmw_resource res; 156 uint32_t flags; 157 uint32_t format; 158 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 159 struct drm_vmw_size base_size; 160 struct drm_vmw_size *sizes; 161 uint32_t num_sizes; 162 bool scanout; 163 /* TODO so far just a extra pointer */ 164 struct vmw_cursor_snooper snooper; 165 struct vmw_surface_offset *offsets; 166 SVGA3dTextureFilter autogen_filter; 167 uint32_t multisample_count; 168 }; 169 170 struct vmw_marker_queue { 171 struct list_head head; 172 u64 lag; 173 u64 lag_time; 174 spinlock_t lock; 175 }; 176 177 struct vmw_fifo_state { 178 unsigned long reserved_size; 179 __le32 *dynamic_buffer; 180 __le32 *static_buffer; 181 unsigned long static_buffer_size; 182 bool using_bounce_buffer; 183 uint32_t capabilities; 184 struct mutex fifo_mutex; 185 struct rw_semaphore rwsem; 186 struct vmw_marker_queue marker_queue; 187 }; 188 189 struct vmw_relocation { 190 SVGAMobId *mob_loc; 191 SVGAGuestPtr *location; 192 uint32_t index; 193 }; 194 195 /** 196 * struct vmw_res_cache_entry - resource information cache entry 197 * 198 * @valid: Whether the entry is valid, which also implies that the execbuf 199 * code holds a reference to the resource, and it's placed on the 200 * validation list. 201 * @handle: User-space handle of a resource. 202 * @res: Non-ref-counted pointer to the resource. 203 * 204 * Used to avoid frequent repeated user-space handle lookups of the 205 * same resource. 206 */ 207 struct vmw_res_cache_entry { 208 bool valid; 209 uint32_t handle; 210 struct vmw_resource *res; 211 struct vmw_resource_val_node *node; 212 }; 213 214 /** 215 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 216 */ 217 enum vmw_dma_map_mode { 218 vmw_dma_phys, /* Use physical page addresses */ 219 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 220 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 221 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 222 vmw_dma_map_max 223 }; 224 225 /** 226 * struct vmw_sg_table - Scatter/gather table for binding, with additional 227 * device-specific information. 228 * 229 * @sgt: Pointer to a struct sg_table with binding information 230 * @num_regions: Number of regions with device-address contigous pages 231 */ 232 struct vmw_sg_table { 233 enum vmw_dma_map_mode mode; 234 struct page **pages; 235 const dma_addr_t *addrs; 236 struct sg_table *sgt; 237 unsigned long num_regions; 238 unsigned long num_pages; 239 }; 240 241 /** 242 * struct vmw_piter - Page iterator that iterates over a list of pages 243 * and DMA addresses that could be either a scatter-gather list or 244 * arrays 245 * 246 * @pages: Array of page pointers to the pages. 247 * @addrs: DMA addresses to the pages if coherent pages are used. 248 * @iter: Scatter-gather page iterator. Current position in SG list. 249 * @i: Current position in arrays. 250 * @num_pages: Number of pages total. 251 * @next: Function to advance the iterator. Returns false if past the list 252 * of pages, true otherwise. 253 * @dma_address: Function to return the DMA address of the current page. 254 */ 255 struct vmw_piter { 256 struct page **pages; 257 const dma_addr_t *addrs; 258 struct sg_page_iter iter; 259 unsigned long i; 260 unsigned long num_pages; 261 bool (*next)(struct vmw_piter *); 262 dma_addr_t (*dma_address)(struct vmw_piter *); 263 struct page *(*page)(struct vmw_piter *); 264 }; 265 266 /* 267 * enum vmw_ctx_binding_type - abstract resource to context binding types 268 */ 269 enum vmw_ctx_binding_type { 270 vmw_ctx_binding_shader, 271 vmw_ctx_binding_rt, 272 vmw_ctx_binding_tex, 273 vmw_ctx_binding_max 274 }; 275 276 /** 277 * struct vmw_ctx_bindinfo - structure representing a single context binding 278 * 279 * @ctx: Pointer to the context structure. NULL means the binding is not 280 * active. 281 * @res: Non ref-counted pointer to the bound resource. 282 * @bt: The binding type. 283 * @i1: Union of information needed to unbind. 284 */ 285 struct vmw_ctx_bindinfo { 286 struct vmw_resource *ctx; 287 struct vmw_resource *res; 288 enum vmw_ctx_binding_type bt; 289 bool scrubbed; 290 union { 291 SVGA3dShaderType shader_type; 292 SVGA3dRenderTargetType rt_type; 293 uint32 texture_stage; 294 } i1; 295 }; 296 297 /** 298 * struct vmw_ctx_binding - structure representing a single context binding 299 * - suitable for tracking in a context 300 * 301 * @ctx_list: List head for context. 302 * @res_list: List head for bound resource. 303 * @bi: Binding info 304 */ 305 struct vmw_ctx_binding { 306 struct list_head ctx_list; 307 struct list_head res_list; 308 struct vmw_ctx_bindinfo bi; 309 }; 310 311 312 /** 313 * struct vmw_ctx_binding_state - context binding state 314 * 315 * @list: linked list of individual bindings. 316 * @render_targets: Render target bindings. 317 * @texture_units: Texture units/samplers bindings. 318 * @shaders: Shader bindings. 319 * 320 * Note that this structure also provides storage space for the individual 321 * struct vmw_ctx_binding objects, so that no dynamic allocation is needed 322 * for individual bindings. 323 * 324 */ 325 struct vmw_ctx_binding_state { 326 struct list_head list; 327 struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX]; 328 struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS]; 329 struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX]; 330 }; 331 332 struct vmw_sw_context{ 333 struct drm_open_hash res_ht; 334 bool res_ht_initialized; 335 bool kernel; /**< is the called made from the kernel */ 336 struct vmw_fpriv *fp; 337 struct list_head validate_nodes; 338 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS]; 339 uint32_t cur_reloc; 340 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS]; 341 uint32_t cur_val_buf; 342 uint32_t *cmd_bounce; 343 uint32_t cmd_bounce_size; 344 struct list_head resource_list; 345 uint32_t fence_flags; 346 struct ttm_buffer_object *cur_query_bo; 347 struct list_head res_relocations; 348 uint32_t *buf_start; 349 struct vmw_res_cache_entry res_cache[vmw_res_max]; 350 struct vmw_resource *last_query_ctx; 351 bool needs_post_query_barrier; 352 struct vmw_resource *error_resource; 353 struct vmw_ctx_binding_state staged_bindings; 354 struct list_head staged_cmd_res; 355 }; 356 357 struct vmw_legacy_display; 358 struct vmw_overlay; 359 360 struct vmw_master { 361 struct ttm_lock lock; 362 struct mutex fb_surf_mutex; 363 struct list_head fb_surf; 364 }; 365 366 struct vmw_vga_topology_state { 367 uint32_t width; 368 uint32_t height; 369 uint32_t primary; 370 uint32_t pos_x; 371 uint32_t pos_y; 372 }; 373 374 struct vmw_private { 375 struct ttm_bo_device bdev; 376 struct ttm_bo_global_ref bo_global_ref; 377 struct drm_global_reference mem_global_ref; 378 379 struct vmw_fifo_state fifo; 380 381 struct drm_device *dev; 382 unsigned long vmw_chipset; 383 unsigned int io_start; 384 uint32_t vram_start; 385 uint32_t vram_size; 386 uint32_t prim_bb_mem; 387 uint32_t mmio_start; 388 uint32_t mmio_size; 389 uint32_t fb_max_width; 390 uint32_t fb_max_height; 391 uint32_t initial_width; 392 uint32_t initial_height; 393 __le32 __iomem *mmio_virt; 394 int mmio_mtrr; 395 uint32_t capabilities; 396 uint32_t max_gmr_ids; 397 uint32_t max_gmr_pages; 398 uint32_t max_mob_pages; 399 uint32_t max_mob_size; 400 uint32_t memory_size; 401 bool has_gmr; 402 bool has_mob; 403 struct mutex hw_mutex; 404 405 /* 406 * VGA registers. 407 */ 408 409 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 410 uint32_t vga_width; 411 uint32_t vga_height; 412 uint32_t vga_bpp; 413 uint32_t vga_bpl; 414 uint32_t vga_pitchlock; 415 416 uint32_t num_displays; 417 418 /* 419 * Framebuffer info. 420 */ 421 422 void *fb_info; 423 struct vmw_legacy_display *ldu_priv; 424 struct vmw_screen_object_display *sou_priv; 425 struct vmw_overlay *overlay_priv; 426 427 /* 428 * Context and surface management. 429 */ 430 431 rwlock_t resource_lock; 432 struct idr res_idr[vmw_res_max]; 433 /* 434 * Block lastclose from racing with firstopen. 435 */ 436 437 struct mutex init_mutex; 438 439 /* 440 * A resource manager for kernel-only surfaces and 441 * contexts. 442 */ 443 444 struct ttm_object_device *tdev; 445 446 /* 447 * Fencing and IRQs. 448 */ 449 450 atomic_t marker_seq; 451 wait_queue_head_t fence_queue; 452 wait_queue_head_t fifo_queue; 453 int fence_queue_waiters; /* Protected by hw_mutex */ 454 int goal_queue_waiters; /* Protected by hw_mutex */ 455 atomic_t fifo_queue_waiters; 456 uint32_t last_read_seqno; 457 spinlock_t irq_lock; 458 struct vmw_fence_manager *fman; 459 uint32_t irq_mask; 460 461 /* 462 * Device state 463 */ 464 465 uint32_t traces_state; 466 uint32_t enable_state; 467 uint32_t config_done_state; 468 469 /** 470 * Execbuf 471 */ 472 /** 473 * Protected by the cmdbuf mutex. 474 */ 475 476 struct vmw_sw_context ctx; 477 struct mutex cmdbuf_mutex; 478 struct mutex binding_mutex; 479 480 /** 481 * Operating mode. 482 */ 483 484 bool stealth; 485 bool enable_fb; 486 487 /** 488 * Master management. 489 */ 490 491 struct vmw_master *active_master; 492 struct vmw_master fbdev_master; 493 struct notifier_block pm_nb; 494 bool suspended; 495 496 struct mutex release_mutex; 497 uint32_t num_3d_resources; 498 499 /* 500 * Replace this with an rwsem as soon as we have down_xx_interruptible() 501 */ 502 struct ttm_lock reservation_sem; 503 504 /* 505 * Query processing. These members 506 * are protected by the cmdbuf mutex. 507 */ 508 509 struct ttm_buffer_object *dummy_query_bo; 510 struct ttm_buffer_object *pinned_bo; 511 uint32_t query_cid; 512 uint32_t query_cid_valid; 513 bool dummy_query_bo_pinned; 514 515 /* 516 * Surface swapping. The "surface_lru" list is protected by the 517 * resource lock in order to be able to destroy a surface and take 518 * it off the lru atomically. "used_memory_size" is currently 519 * protected by the cmdbuf mutex for simplicity. 520 */ 521 522 struct list_head res_lru[vmw_res_max]; 523 uint32_t used_memory_size; 524 525 /* 526 * DMA mapping stuff. 527 */ 528 enum vmw_dma_map_mode map_mode; 529 530 /* 531 * Guest Backed stuff 532 */ 533 struct ttm_buffer_object *otable_bo; 534 struct vmw_otable *otables; 535 }; 536 537 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 538 { 539 return container_of(res, struct vmw_surface, res); 540 } 541 542 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 543 { 544 return (struct vmw_private *)dev->dev_private; 545 } 546 547 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 548 { 549 return (struct vmw_fpriv *)file_priv->driver_priv; 550 } 551 552 static inline struct vmw_master *vmw_master(struct drm_master *master) 553 { 554 return (struct vmw_master *) master->driver_priv; 555 } 556 557 static inline void vmw_write(struct vmw_private *dev_priv, 558 unsigned int offset, uint32_t value) 559 { 560 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 561 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 562 } 563 564 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 565 unsigned int offset) 566 { 567 uint32_t val; 568 569 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 570 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 571 return val; 572 } 573 574 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga); 575 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga); 576 577 /** 578 * GMR utilities - vmwgfx_gmr.c 579 */ 580 581 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 582 const struct vmw_sg_table *vsgt, 583 unsigned long num_pages, 584 int gmr_id); 585 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 586 587 /** 588 * Resource utilities - vmwgfx_resource.c 589 */ 590 struct vmw_user_resource_conv; 591 592 extern void vmw_resource_unreference(struct vmw_resource **p_res); 593 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 594 extern struct vmw_resource * 595 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 596 extern int vmw_resource_validate(struct vmw_resource *res); 597 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup); 598 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 599 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 600 struct ttm_object_file *tfile, 601 uint32_t handle, 602 struct vmw_surface **out_surf, 603 struct vmw_dma_buffer **out_buf); 604 extern int vmw_user_resource_lookup_handle( 605 struct vmw_private *dev_priv, 606 struct ttm_object_file *tfile, 607 uint32_t handle, 608 const struct vmw_user_resource_conv *converter, 609 struct vmw_resource **p_res); 610 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo); 611 extern int vmw_dmabuf_init(struct vmw_private *dev_priv, 612 struct vmw_dma_buffer *vmw_bo, 613 size_t size, struct ttm_placement *placement, 614 bool interuptable, 615 void (*bo_free) (struct ttm_buffer_object *bo)); 616 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo, 617 struct ttm_object_file *tfile); 618 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, 619 struct ttm_object_file *tfile, 620 uint32_t size, 621 bool shareable, 622 uint32_t *handle, 623 struct vmw_dma_buffer **p_dma_buf); 624 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile, 625 struct vmw_dma_buffer *dma_buf, 626 uint32_t *handle); 627 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, 628 struct drm_file *file_priv); 629 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data, 630 struct drm_file *file_priv); 631 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, 632 struct drm_file *file_priv); 633 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo, 634 uint32_t cur_validate_node); 635 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo); 636 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, 637 uint32_t id, struct vmw_dma_buffer **out); 638 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 639 struct drm_file *file_priv); 640 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 641 struct drm_file *file_priv); 642 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 643 struct ttm_object_file *tfile, 644 uint32_t *inout_id, 645 struct vmw_resource **out); 646 extern void vmw_resource_unreserve(struct vmw_resource *res, 647 struct vmw_dma_buffer *new_backup, 648 unsigned long new_backup_offset); 649 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo, 650 struct ttm_mem_reg *mem); 651 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo, 652 struct vmw_fence_obj *fence); 653 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 654 655 /** 656 * DMA buffer helper routines - vmwgfx_dmabuf.c 657 */ 658 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv, 659 struct vmw_dma_buffer *bo, 660 struct ttm_placement *placement, 661 bool interruptible); 662 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv, 663 struct vmw_dma_buffer *buf, 664 bool pin, bool interruptible); 665 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv, 666 struct vmw_dma_buffer *buf, 667 bool pin, bool interruptible); 668 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv, 669 struct vmw_dma_buffer *bo, 670 bool pin, bool interruptible); 671 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv, 672 struct vmw_dma_buffer *bo, 673 bool interruptible); 674 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 675 SVGAGuestPtr *ptr); 676 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin); 677 678 /** 679 * Misc Ioctl functionality - vmwgfx_ioctl.c 680 */ 681 682 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 683 struct drm_file *file_priv); 684 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 685 struct drm_file *file_priv); 686 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 687 struct drm_file *file_priv); 688 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 689 struct drm_file *file_priv); 690 extern unsigned int vmw_fops_poll(struct file *filp, 691 struct poll_table_struct *wait); 692 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 693 size_t count, loff_t *offset); 694 695 /** 696 * Fifo utilities - vmwgfx_fifo.c 697 */ 698 699 extern int vmw_fifo_init(struct vmw_private *dev_priv, 700 struct vmw_fifo_state *fifo); 701 extern void vmw_fifo_release(struct vmw_private *dev_priv, 702 struct vmw_fifo_state *fifo); 703 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 704 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 705 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 706 uint32_t *seqno); 707 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 708 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 709 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 710 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 711 uint32_t cid); 712 713 /** 714 * TTM glue - vmwgfx_ttm_glue.c 715 */ 716 717 extern int vmw_ttm_global_init(struct vmw_private *dev_priv); 718 extern void vmw_ttm_global_release(struct vmw_private *dev_priv); 719 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 720 721 /** 722 * TTM buffer object driver - vmwgfx_buffer.c 723 */ 724 725 extern const size_t vmw_tt_size; 726 extern struct ttm_placement vmw_vram_placement; 727 extern struct ttm_placement vmw_vram_ne_placement; 728 extern struct ttm_placement vmw_vram_sys_placement; 729 extern struct ttm_placement vmw_vram_gmr_placement; 730 extern struct ttm_placement vmw_vram_gmr_ne_placement; 731 extern struct ttm_placement vmw_sys_placement; 732 extern struct ttm_placement vmw_sys_ne_placement; 733 extern struct ttm_placement vmw_evictable_placement; 734 extern struct ttm_placement vmw_srf_placement; 735 extern struct ttm_placement vmw_mob_placement; 736 extern struct ttm_bo_driver vmw_bo_driver; 737 extern int vmw_dma_quiescent(struct drm_device *dev); 738 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 739 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 740 extern const struct vmw_sg_table * 741 vmw_bo_sg_table(struct ttm_buffer_object *bo); 742 extern void vmw_piter_start(struct vmw_piter *viter, 743 const struct vmw_sg_table *vsgt, 744 unsigned long p_offs); 745 746 /** 747 * vmw_piter_next - Advance the iterator one page. 748 * 749 * @viter: Pointer to the iterator to advance. 750 * 751 * Returns false if past the list of pages, true otherwise. 752 */ 753 static inline bool vmw_piter_next(struct vmw_piter *viter) 754 { 755 return viter->next(viter); 756 } 757 758 /** 759 * vmw_piter_dma_addr - Return the DMA address of the current page. 760 * 761 * @viter: Pointer to the iterator 762 * 763 * Returns the DMA address of the page pointed to by @viter. 764 */ 765 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 766 { 767 return viter->dma_address(viter); 768 } 769 770 /** 771 * vmw_piter_page - Return a pointer to the current page. 772 * 773 * @viter: Pointer to the iterator 774 * 775 * Returns the DMA address of the page pointed to by @viter. 776 */ 777 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 778 { 779 return viter->page(viter); 780 } 781 782 /** 783 * Command submission - vmwgfx_execbuf.c 784 */ 785 786 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 787 struct drm_file *file_priv); 788 extern int vmw_execbuf_process(struct drm_file *file_priv, 789 struct vmw_private *dev_priv, 790 void __user *user_commands, 791 void *kernel_commands, 792 uint32_t command_size, 793 uint64_t throttle_us, 794 struct drm_vmw_fence_rep __user 795 *user_fence_rep, 796 struct vmw_fence_obj **out_fence); 797 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 798 struct vmw_fence_obj *fence); 799 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 800 801 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 802 struct vmw_private *dev_priv, 803 struct vmw_fence_obj **p_fence, 804 uint32_t *p_handle); 805 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 806 struct vmw_fpriv *vmw_fp, 807 int ret, 808 struct drm_vmw_fence_rep __user 809 *user_fence_rep, 810 struct vmw_fence_obj *fence, 811 uint32_t fence_handle); 812 813 /** 814 * IRQs and wating - vmwgfx_irq.c 815 */ 816 817 extern irqreturn_t vmw_irq_handler(int irq, void *arg); 818 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 819 uint32_t seqno, bool interruptible, 820 unsigned long timeout); 821 extern void vmw_irq_preinstall(struct drm_device *dev); 822 extern int vmw_irq_postinstall(struct drm_device *dev); 823 extern void vmw_irq_uninstall(struct drm_device *dev); 824 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 825 uint32_t seqno); 826 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 827 bool lazy, 828 bool fifo_idle, 829 uint32_t seqno, 830 bool interruptible, 831 unsigned long timeout); 832 extern void vmw_update_seqno(struct vmw_private *dev_priv, 833 struct vmw_fifo_state *fifo_state); 834 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 835 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 836 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 837 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 838 839 /** 840 * Rudimentary fence-like objects currently used only for throttling - 841 * vmwgfx_marker.c 842 */ 843 844 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 845 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 846 extern int vmw_marker_push(struct vmw_marker_queue *queue, 847 uint32_t seqno); 848 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 849 uint32_t signaled_seqno); 850 extern int vmw_wait_lag(struct vmw_private *dev_priv, 851 struct vmw_marker_queue *queue, uint32_t us); 852 853 /** 854 * Kernel framebuffer - vmwgfx_fb.c 855 */ 856 857 int vmw_fb_init(struct vmw_private *vmw_priv); 858 int vmw_fb_close(struct vmw_private *dev_priv); 859 int vmw_fb_off(struct vmw_private *vmw_priv); 860 int vmw_fb_on(struct vmw_private *vmw_priv); 861 862 /** 863 * Kernel modesetting - vmwgfx_kms.c 864 */ 865 866 int vmw_kms_init(struct vmw_private *dev_priv); 867 int vmw_kms_close(struct vmw_private *dev_priv); 868 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 869 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 870 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 871 struct drm_file *file_priv); 872 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 873 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 874 struct ttm_object_file *tfile, 875 struct ttm_buffer_object *bo, 876 SVGA3dCmdHeader *header); 877 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 878 unsigned width, unsigned height, unsigned pitch, 879 unsigned bpp, unsigned depth); 880 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 881 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 882 uint32_t pitch, 883 uint32_t height); 884 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc); 885 int vmw_enable_vblank(struct drm_device *dev, int crtc); 886 void vmw_disable_vblank(struct drm_device *dev, int crtc); 887 int vmw_kms_present(struct vmw_private *dev_priv, 888 struct drm_file *file_priv, 889 struct vmw_framebuffer *vfb, 890 struct vmw_surface *surface, 891 uint32_t sid, int32_t destX, int32_t destY, 892 struct drm_vmw_rect *clips, 893 uint32_t num_clips); 894 int vmw_kms_readback(struct vmw_private *dev_priv, 895 struct drm_file *file_priv, 896 struct vmw_framebuffer *vfb, 897 struct drm_vmw_fence_rep __user *user_fence_rep, 898 struct drm_vmw_rect *clips, 899 uint32_t num_clips); 900 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 901 struct drm_file *file_priv); 902 903 int vmw_dumb_create(struct drm_file *file_priv, 904 struct drm_device *dev, 905 struct drm_mode_create_dumb *args); 906 907 int vmw_dumb_map_offset(struct drm_file *file_priv, 908 struct drm_device *dev, uint32_t handle, 909 uint64_t *offset); 910 int vmw_dumb_destroy(struct drm_file *file_priv, 911 struct drm_device *dev, 912 uint32_t handle); 913 /** 914 * Overlay control - vmwgfx_overlay.c 915 */ 916 917 int vmw_overlay_init(struct vmw_private *dev_priv); 918 int vmw_overlay_close(struct vmw_private *dev_priv); 919 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 920 struct drm_file *file_priv); 921 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 922 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 923 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 924 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 925 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 926 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 927 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 928 929 /** 930 * GMR Id manager 931 */ 932 933 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 934 935 /** 936 * Prime - vmwgfx_prime.c 937 */ 938 939 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 940 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 941 struct drm_file *file_priv, 942 int fd, u32 *handle); 943 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 944 struct drm_file *file_priv, 945 uint32_t handle, uint32_t flags, 946 int *prime_fd); 947 948 /* 949 * MemoryOBject management - vmwgfx_mob.c 950 */ 951 struct vmw_mob; 952 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 953 const struct vmw_sg_table *vsgt, 954 unsigned long num_data_pages, int32_t mob_id); 955 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 956 struct vmw_mob *mob); 957 extern void vmw_mob_destroy(struct vmw_mob *mob); 958 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 959 extern int vmw_otables_setup(struct vmw_private *dev_priv); 960 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 961 962 /* 963 * Context management - vmwgfx_context.c 964 */ 965 966 extern const struct vmw_user_resource_conv *user_context_converter; 967 968 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv); 969 970 extern int vmw_context_check(struct vmw_private *dev_priv, 971 struct ttm_object_file *tfile, 972 int id, 973 struct vmw_resource **p_res); 974 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 975 struct drm_file *file_priv); 976 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 977 struct drm_file *file_priv); 978 extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs, 979 const struct vmw_ctx_bindinfo *ci); 980 extern void 981 vmw_context_binding_state_transfer(struct vmw_resource *res, 982 struct vmw_ctx_binding_state *cbs); 983 extern void vmw_context_binding_res_list_kill(struct list_head *head); 984 extern void vmw_context_binding_res_list_scrub(struct list_head *head); 985 extern int vmw_context_rebind_all(struct vmw_resource *ctx); 986 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 987 extern struct vmw_cmdbuf_res_manager * 988 vmw_context_res_man(struct vmw_resource *ctx); 989 /* 990 * Surface management - vmwgfx_surface.c 991 */ 992 993 extern const struct vmw_user_resource_conv *user_surface_converter; 994 995 extern void vmw_surface_res_free(struct vmw_resource *res); 996 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 997 struct drm_file *file_priv); 998 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 999 struct drm_file *file_priv); 1000 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1001 struct drm_file *file_priv); 1002 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1003 struct drm_file *file_priv); 1004 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1005 struct drm_file *file_priv); 1006 extern int vmw_surface_check(struct vmw_private *dev_priv, 1007 struct ttm_object_file *tfile, 1008 uint32_t handle, int *id); 1009 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1010 struct vmw_surface *srf); 1011 1012 /* 1013 * Shader management - vmwgfx_shader.c 1014 */ 1015 1016 extern const struct vmw_user_resource_conv *user_shader_converter; 1017 1018 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1019 struct drm_file *file_priv); 1020 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1021 struct drm_file *file_priv); 1022 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1023 struct vmw_cmdbuf_res_manager *man, 1024 u32 user_key, const void *bytecode, 1025 SVGA3dShaderType shader_type, 1026 size_t size, 1027 struct list_head *list); 1028 extern int vmw_compat_shader_remove(struct vmw_cmdbuf_res_manager *man, 1029 u32 user_key, SVGA3dShaderType shader_type, 1030 struct list_head *list); 1031 extern struct vmw_resource * 1032 vmw_compat_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1033 u32 user_key, SVGA3dShaderType shader_type); 1034 1035 /* 1036 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1037 */ 1038 1039 extern struct vmw_cmdbuf_res_manager * 1040 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1041 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1042 extern size_t vmw_cmdbuf_res_man_size(void); 1043 extern struct vmw_resource * 1044 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1045 enum vmw_cmdbuf_res_type res_type, 1046 u32 user_key); 1047 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1048 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1049 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1050 enum vmw_cmdbuf_res_type res_type, 1051 u32 user_key, 1052 struct vmw_resource *res, 1053 struct list_head *list); 1054 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1055 enum vmw_cmdbuf_res_type res_type, 1056 u32 user_key, 1057 struct list_head *list); 1058 1059 1060 /** 1061 * Inline helper functions 1062 */ 1063 1064 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1065 { 1066 struct vmw_surface *tmp_srf = *srf; 1067 struct vmw_resource *res = &tmp_srf->res; 1068 *srf = NULL; 1069 1070 vmw_resource_unreference(&res); 1071 } 1072 1073 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1074 { 1075 (void) vmw_resource_reference(&srf->res); 1076 return srf; 1077 } 1078 1079 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf) 1080 { 1081 struct vmw_dma_buffer *tmp_buf = *buf; 1082 1083 *buf = NULL; 1084 if (tmp_buf != NULL) { 1085 struct ttm_buffer_object *bo = &tmp_buf->base; 1086 1087 ttm_bo_unref(&bo); 1088 } 1089 } 1090 1091 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf) 1092 { 1093 if (ttm_bo_reference(&buf->base)) 1094 return buf; 1095 return NULL; 1096 } 1097 1098 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1099 { 1100 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object; 1101 } 1102 #endif 1103