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 "20121114" 44 #define VMWGFX_DRIVER_MAJOR 2 45 #define VMWGFX_DRIVER_MINOR 5 46 #define VMWGFX_DRIVER_PATCHLEVEL 0 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 }; 83 84 struct vmw_dma_buffer { 85 struct ttm_buffer_object base; 86 struct list_head res_list; 87 }; 88 89 /** 90 * struct vmw_validate_buffer - Carries validation info about buffers. 91 * 92 * @base: Validation info for TTM. 93 * @hash: Hash entry for quick lookup of the TTM buffer object. 94 * 95 * This structure contains also driver private validation info 96 * on top of the info needed by TTM. 97 */ 98 struct vmw_validate_buffer { 99 struct ttm_validate_buffer base; 100 struct drm_hash_item hash; 101 bool validate_as_mob; 102 }; 103 104 struct vmw_res_func; 105 struct vmw_resource { 106 struct kref kref; 107 struct vmw_private *dev_priv; 108 int id; 109 bool avail; 110 unsigned long backup_size; 111 bool res_dirty; /* Protected by backup buffer reserved */ 112 bool backup_dirty; /* Protected by backup buffer reserved */ 113 struct vmw_dma_buffer *backup; 114 unsigned long backup_offset; 115 const struct vmw_res_func *func; 116 struct list_head lru_head; /* Protected by the resource lock */ 117 struct list_head mob_head; /* Protected by @backup reserved */ 118 struct list_head binding_head; /* Protected by binding_mutex */ 119 void (*res_free) (struct vmw_resource *res); 120 void (*hw_destroy) (struct vmw_resource *res); 121 }; 122 123 enum vmw_res_type { 124 vmw_res_context, 125 vmw_res_surface, 126 vmw_res_stream, 127 vmw_res_shader, 128 vmw_res_max 129 }; 130 131 struct vmw_cursor_snooper { 132 struct drm_crtc *crtc; 133 size_t age; 134 uint32_t *image; 135 }; 136 137 struct vmw_framebuffer; 138 struct vmw_surface_offset; 139 140 struct vmw_surface { 141 struct vmw_resource res; 142 uint32_t flags; 143 uint32_t format; 144 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 145 struct drm_vmw_size base_size; 146 struct drm_vmw_size *sizes; 147 uint32_t num_sizes; 148 bool scanout; 149 /* TODO so far just a extra pointer */ 150 struct vmw_cursor_snooper snooper; 151 struct vmw_surface_offset *offsets; 152 SVGA3dTextureFilter autogen_filter; 153 uint32_t multisample_count; 154 }; 155 156 struct vmw_marker_queue { 157 struct list_head head; 158 struct timespec lag; 159 struct timespec lag_time; 160 spinlock_t lock; 161 }; 162 163 struct vmw_fifo_state { 164 unsigned long reserved_size; 165 __le32 *dynamic_buffer; 166 __le32 *static_buffer; 167 unsigned long static_buffer_size; 168 bool using_bounce_buffer; 169 uint32_t capabilities; 170 struct mutex fifo_mutex; 171 struct rw_semaphore rwsem; 172 struct vmw_marker_queue marker_queue; 173 }; 174 175 struct vmw_relocation { 176 SVGAMobId *mob_loc; 177 SVGAGuestPtr *location; 178 uint32_t index; 179 }; 180 181 /** 182 * struct vmw_res_cache_entry - resource information cache entry 183 * 184 * @valid: Whether the entry is valid, which also implies that the execbuf 185 * code holds a reference to the resource, and it's placed on the 186 * validation list. 187 * @handle: User-space handle of a resource. 188 * @res: Non-ref-counted pointer to the resource. 189 * 190 * Used to avoid frequent repeated user-space handle lookups of the 191 * same resource. 192 */ 193 struct vmw_res_cache_entry { 194 bool valid; 195 uint32_t handle; 196 struct vmw_resource *res; 197 struct vmw_resource_val_node *node; 198 }; 199 200 /** 201 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 202 */ 203 enum vmw_dma_map_mode { 204 vmw_dma_phys, /* Use physical page addresses */ 205 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 206 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 207 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 208 vmw_dma_map_max 209 }; 210 211 /** 212 * struct vmw_sg_table - Scatter/gather table for binding, with additional 213 * device-specific information. 214 * 215 * @sgt: Pointer to a struct sg_table with binding information 216 * @num_regions: Number of regions with device-address contigous pages 217 */ 218 struct vmw_sg_table { 219 enum vmw_dma_map_mode mode; 220 struct page **pages; 221 const dma_addr_t *addrs; 222 struct sg_table *sgt; 223 unsigned long num_regions; 224 unsigned long num_pages; 225 }; 226 227 /** 228 * struct vmw_piter - Page iterator that iterates over a list of pages 229 * and DMA addresses that could be either a scatter-gather list or 230 * arrays 231 * 232 * @pages: Array of page pointers to the pages. 233 * @addrs: DMA addresses to the pages if coherent pages are used. 234 * @iter: Scatter-gather page iterator. Current position in SG list. 235 * @i: Current position in arrays. 236 * @num_pages: Number of pages total. 237 * @next: Function to advance the iterator. Returns false if past the list 238 * of pages, true otherwise. 239 * @dma_address: Function to return the DMA address of the current page. 240 */ 241 struct vmw_piter { 242 struct page **pages; 243 const dma_addr_t *addrs; 244 struct sg_page_iter iter; 245 unsigned long i; 246 unsigned long num_pages; 247 bool (*next)(struct vmw_piter *); 248 dma_addr_t (*dma_address)(struct vmw_piter *); 249 struct page *(*page)(struct vmw_piter *); 250 }; 251 252 /* 253 * enum vmw_ctx_binding_type - abstract resource to context binding types 254 */ 255 enum vmw_ctx_binding_type { 256 vmw_ctx_binding_shader, 257 vmw_ctx_binding_rt, 258 vmw_ctx_binding_tex, 259 vmw_ctx_binding_max 260 }; 261 262 /** 263 * struct vmw_ctx_bindinfo - structure representing a single context binding 264 * 265 * @ctx: Pointer to the context structure. NULL means the binding is not 266 * active. 267 * @res: Non ref-counted pointer to the bound resource. 268 * @bt: The binding type. 269 * @i1: Union of information needed to unbind. 270 */ 271 struct vmw_ctx_bindinfo { 272 struct vmw_resource *ctx; 273 struct vmw_resource *res; 274 enum vmw_ctx_binding_type bt; 275 union { 276 SVGA3dShaderType shader_type; 277 SVGA3dRenderTargetType rt_type; 278 uint32 texture_stage; 279 } i1; 280 }; 281 282 /** 283 * struct vmw_ctx_binding - structure representing a single context binding 284 * - suitable for tracking in a context 285 * 286 * @ctx_list: List head for context. 287 * @res_list: List head for bound resource. 288 * @bi: Binding info 289 */ 290 struct vmw_ctx_binding { 291 struct list_head ctx_list; 292 struct list_head res_list; 293 struct vmw_ctx_bindinfo bi; 294 }; 295 296 297 /** 298 * struct vmw_ctx_binding_state - context binding state 299 * 300 * @list: linked list of individual bindings. 301 * @render_targets: Render target bindings. 302 * @texture_units: Texture units/samplers bindings. 303 * @shaders: Shader bindings. 304 * 305 * Note that this structure also provides storage space for the individual 306 * struct vmw_ctx_binding objects, so that no dynamic allocation is needed 307 * for individual bindings. 308 * 309 */ 310 struct vmw_ctx_binding_state { 311 struct list_head list; 312 struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX]; 313 struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS]; 314 struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX]; 315 }; 316 317 struct vmw_sw_context{ 318 struct drm_open_hash res_ht; 319 bool res_ht_initialized; 320 bool kernel; /**< is the called made from the kernel */ 321 struct ttm_object_file *tfile; 322 struct list_head validate_nodes; 323 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS]; 324 uint32_t cur_reloc; 325 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS]; 326 uint32_t cur_val_buf; 327 uint32_t *cmd_bounce; 328 uint32_t cmd_bounce_size; 329 struct list_head resource_list; 330 uint32_t fence_flags; 331 struct ttm_buffer_object *cur_query_bo; 332 struct list_head res_relocations; 333 uint32_t *buf_start; 334 struct vmw_res_cache_entry res_cache[vmw_res_max]; 335 struct vmw_resource *last_query_ctx; 336 bool needs_post_query_barrier; 337 struct vmw_resource *error_resource; 338 struct vmw_ctx_binding_state staged_bindings; 339 }; 340 341 struct vmw_legacy_display; 342 struct vmw_overlay; 343 344 struct vmw_master { 345 struct ttm_lock lock; 346 struct mutex fb_surf_mutex; 347 struct list_head fb_surf; 348 }; 349 350 struct vmw_vga_topology_state { 351 uint32_t width; 352 uint32_t height; 353 uint32_t primary; 354 uint32_t pos_x; 355 uint32_t pos_y; 356 }; 357 358 struct vmw_private { 359 struct ttm_bo_device bdev; 360 struct ttm_bo_global_ref bo_global_ref; 361 struct drm_global_reference mem_global_ref; 362 363 struct vmw_fifo_state fifo; 364 365 struct drm_device *dev; 366 unsigned long vmw_chipset; 367 unsigned int io_start; 368 uint32_t vram_start; 369 uint32_t vram_size; 370 uint32_t prim_bb_mem; 371 uint32_t mmio_start; 372 uint32_t mmio_size; 373 uint32_t fb_max_width; 374 uint32_t fb_max_height; 375 uint32_t initial_width; 376 uint32_t initial_height; 377 __le32 __iomem *mmio_virt; 378 int mmio_mtrr; 379 uint32_t capabilities; 380 uint32_t max_gmr_ids; 381 uint32_t max_gmr_pages; 382 uint32_t max_mob_pages; 383 uint32_t memory_size; 384 bool has_gmr; 385 bool has_mob; 386 struct mutex hw_mutex; 387 388 /* 389 * VGA registers. 390 */ 391 392 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 393 uint32_t vga_width; 394 uint32_t vga_height; 395 uint32_t vga_bpp; 396 uint32_t vga_bpl; 397 uint32_t vga_pitchlock; 398 399 uint32_t num_displays; 400 401 /* 402 * Framebuffer info. 403 */ 404 405 void *fb_info; 406 struct vmw_legacy_display *ldu_priv; 407 struct vmw_screen_object_display *sou_priv; 408 struct vmw_overlay *overlay_priv; 409 410 /* 411 * Context and surface management. 412 */ 413 414 rwlock_t resource_lock; 415 struct idr res_idr[vmw_res_max]; 416 /* 417 * Block lastclose from racing with firstopen. 418 */ 419 420 struct mutex init_mutex; 421 422 /* 423 * A resource manager for kernel-only surfaces and 424 * contexts. 425 */ 426 427 struct ttm_object_device *tdev; 428 429 /* 430 * Fencing and IRQs. 431 */ 432 433 atomic_t marker_seq; 434 wait_queue_head_t fence_queue; 435 wait_queue_head_t fifo_queue; 436 int fence_queue_waiters; /* Protected by hw_mutex */ 437 int goal_queue_waiters; /* Protected by hw_mutex */ 438 atomic_t fifo_queue_waiters; 439 uint32_t last_read_seqno; 440 spinlock_t irq_lock; 441 struct vmw_fence_manager *fman; 442 uint32_t irq_mask; 443 444 /* 445 * Device state 446 */ 447 448 uint32_t traces_state; 449 uint32_t enable_state; 450 uint32_t config_done_state; 451 452 /** 453 * Execbuf 454 */ 455 /** 456 * Protected by the cmdbuf mutex. 457 */ 458 459 struct vmw_sw_context ctx; 460 struct mutex cmdbuf_mutex; 461 struct mutex binding_mutex; 462 463 /** 464 * Operating mode. 465 */ 466 467 bool stealth; 468 bool enable_fb; 469 470 /** 471 * Master management. 472 */ 473 474 struct vmw_master *active_master; 475 struct vmw_master fbdev_master; 476 struct notifier_block pm_nb; 477 bool suspended; 478 479 struct mutex release_mutex; 480 uint32_t num_3d_resources; 481 482 /* 483 * Query processing. These members 484 * are protected by the cmdbuf mutex. 485 */ 486 487 struct ttm_buffer_object *dummy_query_bo; 488 struct ttm_buffer_object *pinned_bo; 489 uint32_t query_cid; 490 uint32_t query_cid_valid; 491 bool dummy_query_bo_pinned; 492 493 /* 494 * Surface swapping. The "surface_lru" list is protected by the 495 * resource lock in order to be able to destroy a surface and take 496 * it off the lru atomically. "used_memory_size" is currently 497 * protected by the cmdbuf mutex for simplicity. 498 */ 499 500 struct list_head res_lru[vmw_res_max]; 501 uint32_t used_memory_size; 502 503 /* 504 * DMA mapping stuff. 505 */ 506 enum vmw_dma_map_mode map_mode; 507 508 /* 509 * Guest Backed stuff 510 */ 511 struct ttm_buffer_object *otable_bo; 512 struct vmw_otable *otables; 513 }; 514 515 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 516 { 517 return container_of(res, struct vmw_surface, res); 518 } 519 520 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 521 { 522 return (struct vmw_private *)dev->dev_private; 523 } 524 525 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 526 { 527 return (struct vmw_fpriv *)file_priv->driver_priv; 528 } 529 530 static inline struct vmw_master *vmw_master(struct drm_master *master) 531 { 532 return (struct vmw_master *) master->driver_priv; 533 } 534 535 static inline void vmw_write(struct vmw_private *dev_priv, 536 unsigned int offset, uint32_t value) 537 { 538 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 539 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 540 } 541 542 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 543 unsigned int offset) 544 { 545 uint32_t val; 546 547 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 548 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 549 return val; 550 } 551 552 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga); 553 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga); 554 555 /** 556 * GMR utilities - vmwgfx_gmr.c 557 */ 558 559 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 560 const struct vmw_sg_table *vsgt, 561 unsigned long num_pages, 562 int gmr_id); 563 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 564 565 /** 566 * Resource utilities - vmwgfx_resource.c 567 */ 568 struct vmw_user_resource_conv; 569 570 extern void vmw_resource_unreference(struct vmw_resource **p_res); 571 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 572 extern int vmw_resource_validate(struct vmw_resource *res); 573 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup); 574 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 575 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 576 struct ttm_object_file *tfile, 577 uint32_t handle, 578 struct vmw_surface **out_surf, 579 struct vmw_dma_buffer **out_buf); 580 extern int vmw_user_resource_lookup_handle( 581 struct vmw_private *dev_priv, 582 struct ttm_object_file *tfile, 583 uint32_t handle, 584 const struct vmw_user_resource_conv *converter, 585 struct vmw_resource **p_res); 586 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo); 587 extern int vmw_dmabuf_init(struct vmw_private *dev_priv, 588 struct vmw_dma_buffer *vmw_bo, 589 size_t size, struct ttm_placement *placement, 590 bool interuptable, 591 void (*bo_free) (struct ttm_buffer_object *bo)); 592 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo, 593 struct ttm_object_file *tfile); 594 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, 595 struct ttm_object_file *tfile, 596 uint32_t size, 597 bool shareable, 598 uint32_t *handle, 599 struct vmw_dma_buffer **p_dma_buf); 600 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile, 601 struct vmw_dma_buffer *dma_buf, 602 uint32_t *handle); 603 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, 604 struct drm_file *file_priv); 605 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data, 606 struct drm_file *file_priv); 607 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, 608 struct drm_file *file_priv); 609 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo, 610 uint32_t cur_validate_node); 611 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo); 612 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, 613 uint32_t id, struct vmw_dma_buffer **out); 614 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 615 struct drm_file *file_priv); 616 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 617 struct drm_file *file_priv); 618 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 619 struct ttm_object_file *tfile, 620 uint32_t *inout_id, 621 struct vmw_resource **out); 622 extern void vmw_resource_unreserve(struct vmw_resource *res, 623 struct vmw_dma_buffer *new_backup, 624 unsigned long new_backup_offset); 625 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo, 626 struct ttm_mem_reg *mem); 627 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo, 628 struct vmw_fence_obj *fence); 629 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 630 631 /** 632 * DMA buffer helper routines - vmwgfx_dmabuf.c 633 */ 634 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv, 635 struct vmw_dma_buffer *bo, 636 struct ttm_placement *placement, 637 bool interruptible); 638 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv, 639 struct vmw_dma_buffer *buf, 640 bool pin, bool interruptible); 641 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv, 642 struct vmw_dma_buffer *buf, 643 bool pin, bool interruptible); 644 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv, 645 struct vmw_dma_buffer *bo, 646 bool pin, bool interruptible); 647 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv, 648 struct vmw_dma_buffer *bo, 649 bool interruptible); 650 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 651 SVGAGuestPtr *ptr); 652 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin); 653 654 /** 655 * Misc Ioctl functionality - vmwgfx_ioctl.c 656 */ 657 658 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 659 struct drm_file *file_priv); 660 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 661 struct drm_file *file_priv); 662 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 663 struct drm_file *file_priv); 664 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 665 struct drm_file *file_priv); 666 extern unsigned int vmw_fops_poll(struct file *filp, 667 struct poll_table_struct *wait); 668 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 669 size_t count, loff_t *offset); 670 671 /** 672 * Fifo utilities - vmwgfx_fifo.c 673 */ 674 675 extern int vmw_fifo_init(struct vmw_private *dev_priv, 676 struct vmw_fifo_state *fifo); 677 extern void vmw_fifo_release(struct vmw_private *dev_priv, 678 struct vmw_fifo_state *fifo); 679 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 680 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 681 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 682 uint32_t *seqno); 683 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 684 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 685 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 686 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 687 uint32_t cid); 688 689 /** 690 * TTM glue - vmwgfx_ttm_glue.c 691 */ 692 693 extern int vmw_ttm_global_init(struct vmw_private *dev_priv); 694 extern void vmw_ttm_global_release(struct vmw_private *dev_priv); 695 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 696 697 /** 698 * TTM buffer object driver - vmwgfx_buffer.c 699 */ 700 701 extern const size_t vmw_tt_size; 702 extern struct ttm_placement vmw_vram_placement; 703 extern struct ttm_placement vmw_vram_ne_placement; 704 extern struct ttm_placement vmw_vram_sys_placement; 705 extern struct ttm_placement vmw_vram_gmr_placement; 706 extern struct ttm_placement vmw_vram_gmr_ne_placement; 707 extern struct ttm_placement vmw_sys_placement; 708 extern struct ttm_placement vmw_sys_ne_placement; 709 extern struct ttm_placement vmw_evictable_placement; 710 extern struct ttm_placement vmw_srf_placement; 711 extern struct ttm_placement vmw_mob_placement; 712 extern struct ttm_bo_driver vmw_bo_driver; 713 extern int vmw_dma_quiescent(struct drm_device *dev); 714 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 715 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 716 extern const struct vmw_sg_table * 717 vmw_bo_sg_table(struct ttm_buffer_object *bo); 718 extern void vmw_piter_start(struct vmw_piter *viter, 719 const struct vmw_sg_table *vsgt, 720 unsigned long p_offs); 721 722 /** 723 * vmw_piter_next - Advance the iterator one page. 724 * 725 * @viter: Pointer to the iterator to advance. 726 * 727 * Returns false if past the list of pages, true otherwise. 728 */ 729 static inline bool vmw_piter_next(struct vmw_piter *viter) 730 { 731 return viter->next(viter); 732 } 733 734 /** 735 * vmw_piter_dma_addr - Return the DMA address of the current page. 736 * 737 * @viter: Pointer to the iterator 738 * 739 * Returns the DMA address of the page pointed to by @viter. 740 */ 741 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 742 { 743 return viter->dma_address(viter); 744 } 745 746 /** 747 * vmw_piter_page - Return a pointer to the current page. 748 * 749 * @viter: Pointer to the iterator 750 * 751 * Returns the DMA address of the page pointed to by @viter. 752 */ 753 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 754 { 755 return viter->page(viter); 756 } 757 758 /** 759 * Command submission - vmwgfx_execbuf.c 760 */ 761 762 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 763 struct drm_file *file_priv); 764 extern int vmw_execbuf_process(struct drm_file *file_priv, 765 struct vmw_private *dev_priv, 766 void __user *user_commands, 767 void *kernel_commands, 768 uint32_t command_size, 769 uint64_t throttle_us, 770 struct drm_vmw_fence_rep __user 771 *user_fence_rep, 772 struct vmw_fence_obj **out_fence); 773 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 774 struct vmw_fence_obj *fence); 775 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 776 777 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 778 struct vmw_private *dev_priv, 779 struct vmw_fence_obj **p_fence, 780 uint32_t *p_handle); 781 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 782 struct vmw_fpriv *vmw_fp, 783 int ret, 784 struct drm_vmw_fence_rep __user 785 *user_fence_rep, 786 struct vmw_fence_obj *fence, 787 uint32_t fence_handle); 788 789 /** 790 * IRQs and wating - vmwgfx_irq.c 791 */ 792 793 extern irqreturn_t vmw_irq_handler(int irq, void *arg); 794 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 795 uint32_t seqno, bool interruptible, 796 unsigned long timeout); 797 extern void vmw_irq_preinstall(struct drm_device *dev); 798 extern int vmw_irq_postinstall(struct drm_device *dev); 799 extern void vmw_irq_uninstall(struct drm_device *dev); 800 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 801 uint32_t seqno); 802 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 803 bool lazy, 804 bool fifo_idle, 805 uint32_t seqno, 806 bool interruptible, 807 unsigned long timeout); 808 extern void vmw_update_seqno(struct vmw_private *dev_priv, 809 struct vmw_fifo_state *fifo_state); 810 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 811 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 812 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 813 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 814 815 /** 816 * Rudimentary fence-like objects currently used only for throttling - 817 * vmwgfx_marker.c 818 */ 819 820 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 821 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 822 extern int vmw_marker_push(struct vmw_marker_queue *queue, 823 uint32_t seqno); 824 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 825 uint32_t signaled_seqno); 826 extern int vmw_wait_lag(struct vmw_private *dev_priv, 827 struct vmw_marker_queue *queue, uint32_t us); 828 829 /** 830 * Kernel framebuffer - vmwgfx_fb.c 831 */ 832 833 int vmw_fb_init(struct vmw_private *vmw_priv); 834 int vmw_fb_close(struct vmw_private *dev_priv); 835 int vmw_fb_off(struct vmw_private *vmw_priv); 836 int vmw_fb_on(struct vmw_private *vmw_priv); 837 838 /** 839 * Kernel modesetting - vmwgfx_kms.c 840 */ 841 842 int vmw_kms_init(struct vmw_private *dev_priv); 843 int vmw_kms_close(struct vmw_private *dev_priv); 844 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 845 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 846 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 847 struct drm_file *file_priv); 848 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 849 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 850 struct ttm_object_file *tfile, 851 struct ttm_buffer_object *bo, 852 SVGA3dCmdHeader *header); 853 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 854 unsigned width, unsigned height, unsigned pitch, 855 unsigned bpp, unsigned depth); 856 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 857 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 858 uint32_t pitch, 859 uint32_t height); 860 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc); 861 int vmw_enable_vblank(struct drm_device *dev, int crtc); 862 void vmw_disable_vblank(struct drm_device *dev, int crtc); 863 int vmw_kms_present(struct vmw_private *dev_priv, 864 struct drm_file *file_priv, 865 struct vmw_framebuffer *vfb, 866 struct vmw_surface *surface, 867 uint32_t sid, int32_t destX, int32_t destY, 868 struct drm_vmw_rect *clips, 869 uint32_t num_clips); 870 int vmw_kms_readback(struct vmw_private *dev_priv, 871 struct drm_file *file_priv, 872 struct vmw_framebuffer *vfb, 873 struct drm_vmw_fence_rep __user *user_fence_rep, 874 struct drm_vmw_rect *clips, 875 uint32_t num_clips); 876 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 877 struct drm_file *file_priv); 878 879 int vmw_dumb_create(struct drm_file *file_priv, 880 struct drm_device *dev, 881 struct drm_mode_create_dumb *args); 882 883 int vmw_dumb_map_offset(struct drm_file *file_priv, 884 struct drm_device *dev, uint32_t handle, 885 uint64_t *offset); 886 int vmw_dumb_destroy(struct drm_file *file_priv, 887 struct drm_device *dev, 888 uint32_t handle); 889 /** 890 * Overlay control - vmwgfx_overlay.c 891 */ 892 893 int vmw_overlay_init(struct vmw_private *dev_priv); 894 int vmw_overlay_close(struct vmw_private *dev_priv); 895 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 896 struct drm_file *file_priv); 897 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 898 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 899 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 900 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 901 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 902 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 903 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 904 905 /** 906 * GMR Id manager 907 */ 908 909 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 910 911 /** 912 * Prime - vmwgfx_prime.c 913 */ 914 915 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 916 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 917 struct drm_file *file_priv, 918 int fd, u32 *handle); 919 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 920 struct drm_file *file_priv, 921 uint32_t handle, uint32_t flags, 922 int *prime_fd); 923 924 /* 925 * MemoryOBject management - vmwgfx_mob.c 926 */ 927 struct vmw_mob; 928 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 929 const struct vmw_sg_table *vsgt, 930 unsigned long num_data_pages, int32_t mob_id); 931 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 932 struct vmw_mob *mob); 933 extern void vmw_mob_destroy(struct vmw_mob *mob); 934 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 935 extern int vmw_otables_setup(struct vmw_private *dev_priv); 936 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 937 938 /* 939 * Context management - vmwgfx_context.c 940 */ 941 942 extern const struct vmw_user_resource_conv *user_context_converter; 943 944 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv); 945 946 extern int vmw_context_check(struct vmw_private *dev_priv, 947 struct ttm_object_file *tfile, 948 int id, 949 struct vmw_resource **p_res); 950 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 951 struct drm_file *file_priv); 952 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 953 struct drm_file *file_priv); 954 extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs, 955 const struct vmw_ctx_bindinfo *ci); 956 extern void 957 vmw_context_binding_state_transfer(struct vmw_resource *res, 958 struct vmw_ctx_binding_state *cbs); 959 extern void vmw_context_binding_res_list_kill(struct list_head *head); 960 961 /* 962 * Surface management - vmwgfx_surface.c 963 */ 964 965 extern const struct vmw_user_resource_conv *user_surface_converter; 966 967 extern void vmw_surface_res_free(struct vmw_resource *res); 968 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 969 struct drm_file *file_priv); 970 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 971 struct drm_file *file_priv); 972 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 973 struct drm_file *file_priv); 974 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 975 struct drm_file *file_priv); 976 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 977 struct drm_file *file_priv); 978 extern int vmw_surface_check(struct vmw_private *dev_priv, 979 struct ttm_object_file *tfile, 980 uint32_t handle, int *id); 981 extern int vmw_surface_validate(struct vmw_private *dev_priv, 982 struct vmw_surface *srf); 983 984 /* 985 * Shader management - vmwgfx_shader.c 986 */ 987 988 extern const struct vmw_user_resource_conv *user_shader_converter; 989 990 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 991 struct drm_file *file_priv); 992 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 993 struct drm_file *file_priv); 994 995 /** 996 * Inline helper functions 997 */ 998 999 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1000 { 1001 struct vmw_surface *tmp_srf = *srf; 1002 struct vmw_resource *res = &tmp_srf->res; 1003 *srf = NULL; 1004 1005 vmw_resource_unreference(&res); 1006 } 1007 1008 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1009 { 1010 (void) vmw_resource_reference(&srf->res); 1011 return srf; 1012 } 1013 1014 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf) 1015 { 1016 struct vmw_dma_buffer *tmp_buf = *buf; 1017 1018 *buf = NULL; 1019 if (tmp_buf != NULL) { 1020 struct ttm_buffer_object *bo = &tmp_buf->base; 1021 1022 ttm_bo_unref(&bo); 1023 } 1024 } 1025 1026 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf) 1027 { 1028 if (ttm_bo_reference(&buf->base)) 1029 return buf; 1030 return NULL; 1031 } 1032 1033 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1034 { 1035 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object; 1036 } 1037 #endif 1038