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 "20140228" 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_compat_shader_manager; 79 80 struct vmw_fpriv { 81 struct drm_master *locked_master; 82 struct ttm_object_file *tfile; 83 struct list_head fence_events; 84 bool gb_aware; 85 struct vmw_compat_shader_manager *shman; 86 }; 87 88 struct vmw_dma_buffer { 89 struct ttm_buffer_object base; 90 struct list_head res_list; 91 }; 92 93 /** 94 * struct vmw_validate_buffer - Carries validation info about buffers. 95 * 96 * @base: Validation info for TTM. 97 * @hash: Hash entry for quick lookup of the TTM buffer object. 98 * 99 * This structure contains also driver private validation info 100 * on top of the info needed by TTM. 101 */ 102 struct vmw_validate_buffer { 103 struct ttm_validate_buffer base; 104 struct drm_hash_item hash; 105 bool validate_as_mob; 106 }; 107 108 struct vmw_res_func; 109 struct vmw_resource { 110 struct kref kref; 111 struct vmw_private *dev_priv; 112 int id; 113 bool avail; 114 unsigned long backup_size; 115 bool res_dirty; /* Protected by backup buffer reserved */ 116 bool backup_dirty; /* Protected by backup buffer reserved */ 117 struct vmw_dma_buffer *backup; 118 unsigned long backup_offset; 119 const struct vmw_res_func *func; 120 struct list_head lru_head; /* Protected by the resource lock */ 121 struct list_head mob_head; /* Protected by @backup reserved */ 122 struct list_head binding_head; /* Protected by binding_mutex */ 123 void (*res_free) (struct vmw_resource *res); 124 void (*hw_destroy) (struct vmw_resource *res); 125 }; 126 127 enum vmw_res_type { 128 vmw_res_context, 129 vmw_res_surface, 130 vmw_res_stream, 131 vmw_res_shader, 132 vmw_res_max 133 }; 134 135 struct vmw_cursor_snooper { 136 struct drm_crtc *crtc; 137 size_t age; 138 uint32_t *image; 139 }; 140 141 struct vmw_framebuffer; 142 struct vmw_surface_offset; 143 144 struct vmw_surface { 145 struct vmw_resource res; 146 uint32_t flags; 147 uint32_t format; 148 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 149 struct drm_vmw_size base_size; 150 struct drm_vmw_size *sizes; 151 uint32_t num_sizes; 152 bool scanout; 153 /* TODO so far just a extra pointer */ 154 struct vmw_cursor_snooper snooper; 155 struct vmw_surface_offset *offsets; 156 SVGA3dTextureFilter autogen_filter; 157 uint32_t multisample_count; 158 }; 159 160 struct vmw_marker_queue { 161 struct list_head head; 162 struct timespec lag; 163 struct timespec lag_time; 164 spinlock_t lock; 165 }; 166 167 struct vmw_fifo_state { 168 unsigned long reserved_size; 169 __le32 *dynamic_buffer; 170 __le32 *static_buffer; 171 unsigned long static_buffer_size; 172 bool using_bounce_buffer; 173 uint32_t capabilities; 174 struct mutex fifo_mutex; 175 struct rw_semaphore rwsem; 176 struct vmw_marker_queue marker_queue; 177 }; 178 179 struct vmw_relocation { 180 SVGAMobId *mob_loc; 181 SVGAGuestPtr *location; 182 uint32_t index; 183 }; 184 185 /** 186 * struct vmw_res_cache_entry - resource information cache entry 187 * 188 * @valid: Whether the entry is valid, which also implies that the execbuf 189 * code holds a reference to the resource, and it's placed on the 190 * validation list. 191 * @handle: User-space handle of a resource. 192 * @res: Non-ref-counted pointer to the resource. 193 * 194 * Used to avoid frequent repeated user-space handle lookups of the 195 * same resource. 196 */ 197 struct vmw_res_cache_entry { 198 bool valid; 199 uint32_t handle; 200 struct vmw_resource *res; 201 struct vmw_resource_val_node *node; 202 }; 203 204 /** 205 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 206 */ 207 enum vmw_dma_map_mode { 208 vmw_dma_phys, /* Use physical page addresses */ 209 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 210 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 211 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 212 vmw_dma_map_max 213 }; 214 215 /** 216 * struct vmw_sg_table - Scatter/gather table for binding, with additional 217 * device-specific information. 218 * 219 * @sgt: Pointer to a struct sg_table with binding information 220 * @num_regions: Number of regions with device-address contigous pages 221 */ 222 struct vmw_sg_table { 223 enum vmw_dma_map_mode mode; 224 struct page **pages; 225 const dma_addr_t *addrs; 226 struct sg_table *sgt; 227 unsigned long num_regions; 228 unsigned long num_pages; 229 }; 230 231 /** 232 * struct vmw_piter - Page iterator that iterates over a list of pages 233 * and DMA addresses that could be either a scatter-gather list or 234 * arrays 235 * 236 * @pages: Array of page pointers to the pages. 237 * @addrs: DMA addresses to the pages if coherent pages are used. 238 * @iter: Scatter-gather page iterator. Current position in SG list. 239 * @i: Current position in arrays. 240 * @num_pages: Number of pages total. 241 * @next: Function to advance the iterator. Returns false if past the list 242 * of pages, true otherwise. 243 * @dma_address: Function to return the DMA address of the current page. 244 */ 245 struct vmw_piter { 246 struct page **pages; 247 const dma_addr_t *addrs; 248 struct sg_page_iter iter; 249 unsigned long i; 250 unsigned long num_pages; 251 bool (*next)(struct vmw_piter *); 252 dma_addr_t (*dma_address)(struct vmw_piter *); 253 struct page *(*page)(struct vmw_piter *); 254 }; 255 256 /* 257 * enum vmw_ctx_binding_type - abstract resource to context binding types 258 */ 259 enum vmw_ctx_binding_type { 260 vmw_ctx_binding_shader, 261 vmw_ctx_binding_rt, 262 vmw_ctx_binding_tex, 263 vmw_ctx_binding_max 264 }; 265 266 /** 267 * struct vmw_ctx_bindinfo - structure representing a single context binding 268 * 269 * @ctx: Pointer to the context structure. NULL means the binding is not 270 * active. 271 * @res: Non ref-counted pointer to the bound resource. 272 * @bt: The binding type. 273 * @i1: Union of information needed to unbind. 274 */ 275 struct vmw_ctx_bindinfo { 276 struct vmw_resource *ctx; 277 struct vmw_resource *res; 278 enum vmw_ctx_binding_type bt; 279 bool scrubbed; 280 union { 281 SVGA3dShaderType shader_type; 282 SVGA3dRenderTargetType rt_type; 283 uint32 texture_stage; 284 } i1; 285 }; 286 287 /** 288 * struct vmw_ctx_binding - structure representing a single context binding 289 * - suitable for tracking in a context 290 * 291 * @ctx_list: List head for context. 292 * @res_list: List head for bound resource. 293 * @bi: Binding info 294 */ 295 struct vmw_ctx_binding { 296 struct list_head ctx_list; 297 struct list_head res_list; 298 struct vmw_ctx_bindinfo bi; 299 }; 300 301 302 /** 303 * struct vmw_ctx_binding_state - context binding state 304 * 305 * @list: linked list of individual bindings. 306 * @render_targets: Render target bindings. 307 * @texture_units: Texture units/samplers bindings. 308 * @shaders: Shader bindings. 309 * 310 * Note that this structure also provides storage space for the individual 311 * struct vmw_ctx_binding objects, so that no dynamic allocation is needed 312 * for individual bindings. 313 * 314 */ 315 struct vmw_ctx_binding_state { 316 struct list_head list; 317 struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX]; 318 struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS]; 319 struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX]; 320 }; 321 322 struct vmw_sw_context{ 323 struct drm_open_hash res_ht; 324 bool res_ht_initialized; 325 bool kernel; /**< is the called made from the kernel */ 326 struct vmw_fpriv *fp; 327 struct list_head validate_nodes; 328 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS]; 329 uint32_t cur_reloc; 330 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS]; 331 uint32_t cur_val_buf; 332 uint32_t *cmd_bounce; 333 uint32_t cmd_bounce_size; 334 struct list_head resource_list; 335 uint32_t fence_flags; 336 struct ttm_buffer_object *cur_query_bo; 337 struct list_head res_relocations; 338 uint32_t *buf_start; 339 struct vmw_res_cache_entry res_cache[vmw_res_max]; 340 struct vmw_resource *last_query_ctx; 341 bool needs_post_query_barrier; 342 struct vmw_resource *error_resource; 343 struct vmw_ctx_binding_state staged_bindings; 344 struct list_head staged_shaders; 345 }; 346 347 struct vmw_legacy_display; 348 struct vmw_overlay; 349 350 struct vmw_master { 351 struct ttm_lock lock; 352 struct mutex fb_surf_mutex; 353 struct list_head fb_surf; 354 }; 355 356 struct vmw_vga_topology_state { 357 uint32_t width; 358 uint32_t height; 359 uint32_t primary; 360 uint32_t pos_x; 361 uint32_t pos_y; 362 }; 363 364 struct vmw_private { 365 struct ttm_bo_device bdev; 366 struct ttm_bo_global_ref bo_global_ref; 367 struct drm_global_reference mem_global_ref; 368 369 struct vmw_fifo_state fifo; 370 371 struct drm_device *dev; 372 unsigned long vmw_chipset; 373 unsigned int io_start; 374 uint32_t vram_start; 375 uint32_t vram_size; 376 uint32_t prim_bb_mem; 377 uint32_t mmio_start; 378 uint32_t mmio_size; 379 uint32_t fb_max_width; 380 uint32_t fb_max_height; 381 uint32_t initial_width; 382 uint32_t initial_height; 383 __le32 __iomem *mmio_virt; 384 int mmio_mtrr; 385 uint32_t capabilities; 386 uint32_t max_gmr_ids; 387 uint32_t max_gmr_pages; 388 uint32_t max_mob_pages; 389 uint32_t max_mob_size; 390 uint32_t memory_size; 391 bool has_gmr; 392 bool has_mob; 393 struct mutex hw_mutex; 394 395 /* 396 * VGA registers. 397 */ 398 399 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 400 uint32_t vga_width; 401 uint32_t vga_height; 402 uint32_t vga_bpp; 403 uint32_t vga_bpl; 404 uint32_t vga_pitchlock; 405 406 uint32_t num_displays; 407 408 /* 409 * Framebuffer info. 410 */ 411 412 void *fb_info; 413 struct vmw_legacy_display *ldu_priv; 414 struct vmw_screen_object_display *sou_priv; 415 struct vmw_overlay *overlay_priv; 416 417 /* 418 * Context and surface management. 419 */ 420 421 rwlock_t resource_lock; 422 struct idr res_idr[vmw_res_max]; 423 /* 424 * Block lastclose from racing with firstopen. 425 */ 426 427 struct mutex init_mutex; 428 429 /* 430 * A resource manager for kernel-only surfaces and 431 * contexts. 432 */ 433 434 struct ttm_object_device *tdev; 435 436 /* 437 * Fencing and IRQs. 438 */ 439 440 atomic_t marker_seq; 441 wait_queue_head_t fence_queue; 442 wait_queue_head_t fifo_queue; 443 int fence_queue_waiters; /* Protected by hw_mutex */ 444 int goal_queue_waiters; /* Protected by hw_mutex */ 445 atomic_t fifo_queue_waiters; 446 uint32_t last_read_seqno; 447 spinlock_t irq_lock; 448 struct vmw_fence_manager *fman; 449 uint32_t irq_mask; 450 451 /* 452 * Device state 453 */ 454 455 uint32_t traces_state; 456 uint32_t enable_state; 457 uint32_t config_done_state; 458 459 /** 460 * Execbuf 461 */ 462 /** 463 * Protected by the cmdbuf mutex. 464 */ 465 466 struct vmw_sw_context ctx; 467 struct mutex cmdbuf_mutex; 468 struct mutex binding_mutex; 469 470 /** 471 * Operating mode. 472 */ 473 474 bool stealth; 475 bool enable_fb; 476 477 /** 478 * Master management. 479 */ 480 481 struct vmw_master *active_master; 482 struct vmw_master fbdev_master; 483 struct notifier_block pm_nb; 484 bool suspended; 485 486 struct mutex release_mutex; 487 uint32_t num_3d_resources; 488 489 /* 490 * Query processing. These members 491 * are protected by the cmdbuf mutex. 492 */ 493 494 struct ttm_buffer_object *dummy_query_bo; 495 struct ttm_buffer_object *pinned_bo; 496 uint32_t query_cid; 497 uint32_t query_cid_valid; 498 bool dummy_query_bo_pinned; 499 500 /* 501 * Surface swapping. The "surface_lru" list is protected by the 502 * resource lock in order to be able to destroy a surface and take 503 * it off the lru atomically. "used_memory_size" is currently 504 * protected by the cmdbuf mutex for simplicity. 505 */ 506 507 struct list_head res_lru[vmw_res_max]; 508 uint32_t used_memory_size; 509 510 /* 511 * DMA mapping stuff. 512 */ 513 enum vmw_dma_map_mode map_mode; 514 515 /* 516 * Guest Backed stuff 517 */ 518 struct ttm_buffer_object *otable_bo; 519 struct vmw_otable *otables; 520 }; 521 522 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 523 { 524 return container_of(res, struct vmw_surface, res); 525 } 526 527 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 528 { 529 return (struct vmw_private *)dev->dev_private; 530 } 531 532 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 533 { 534 return (struct vmw_fpriv *)file_priv->driver_priv; 535 } 536 537 static inline struct vmw_master *vmw_master(struct drm_master *master) 538 { 539 return (struct vmw_master *) master->driver_priv; 540 } 541 542 static inline void vmw_write(struct vmw_private *dev_priv, 543 unsigned int offset, uint32_t value) 544 { 545 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 546 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 547 } 548 549 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 550 unsigned int offset) 551 { 552 uint32_t val; 553 554 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 555 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 556 return val; 557 } 558 559 int vmw_3d_resource_inc(struct vmw_private *dev_priv, bool unhide_svga); 560 void vmw_3d_resource_dec(struct vmw_private *dev_priv, bool hide_svga); 561 562 /** 563 * GMR utilities - vmwgfx_gmr.c 564 */ 565 566 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 567 const struct vmw_sg_table *vsgt, 568 unsigned long num_pages, 569 int gmr_id); 570 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 571 572 /** 573 * Resource utilities - vmwgfx_resource.c 574 */ 575 struct vmw_user_resource_conv; 576 577 extern void vmw_resource_unreference(struct vmw_resource **p_res); 578 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 579 extern struct vmw_resource * 580 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 581 extern int vmw_resource_validate(struct vmw_resource *res); 582 extern int vmw_resource_reserve(struct vmw_resource *res, bool no_backup); 583 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 584 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 585 struct ttm_object_file *tfile, 586 uint32_t handle, 587 struct vmw_surface **out_surf, 588 struct vmw_dma_buffer **out_buf); 589 extern int vmw_user_resource_lookup_handle( 590 struct vmw_private *dev_priv, 591 struct ttm_object_file *tfile, 592 uint32_t handle, 593 const struct vmw_user_resource_conv *converter, 594 struct vmw_resource **p_res); 595 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo); 596 extern int vmw_dmabuf_init(struct vmw_private *dev_priv, 597 struct vmw_dma_buffer *vmw_bo, 598 size_t size, struct ttm_placement *placement, 599 bool interuptable, 600 void (*bo_free) (struct ttm_buffer_object *bo)); 601 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo, 602 struct ttm_object_file *tfile); 603 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, 604 struct ttm_object_file *tfile, 605 uint32_t size, 606 bool shareable, 607 uint32_t *handle, 608 struct vmw_dma_buffer **p_dma_buf); 609 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile, 610 struct vmw_dma_buffer *dma_buf, 611 uint32_t *handle); 612 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, 613 struct drm_file *file_priv); 614 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data, 615 struct drm_file *file_priv); 616 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, 617 struct drm_file *file_priv); 618 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo, 619 uint32_t cur_validate_node); 620 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo); 621 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, 622 uint32_t id, struct vmw_dma_buffer **out); 623 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 624 struct drm_file *file_priv); 625 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 626 struct drm_file *file_priv); 627 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 628 struct ttm_object_file *tfile, 629 uint32_t *inout_id, 630 struct vmw_resource **out); 631 extern void vmw_resource_unreserve(struct vmw_resource *res, 632 struct vmw_dma_buffer *new_backup, 633 unsigned long new_backup_offset); 634 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo, 635 struct ttm_mem_reg *mem); 636 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo, 637 struct vmw_fence_obj *fence); 638 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 639 640 /** 641 * DMA buffer helper routines - vmwgfx_dmabuf.c 642 */ 643 extern int vmw_dmabuf_to_placement(struct vmw_private *vmw_priv, 644 struct vmw_dma_buffer *bo, 645 struct ttm_placement *placement, 646 bool interruptible); 647 extern int vmw_dmabuf_to_vram(struct vmw_private *dev_priv, 648 struct vmw_dma_buffer *buf, 649 bool pin, bool interruptible); 650 extern int vmw_dmabuf_to_vram_or_gmr(struct vmw_private *dev_priv, 651 struct vmw_dma_buffer *buf, 652 bool pin, bool interruptible); 653 extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv, 654 struct vmw_dma_buffer *bo, 655 bool pin, bool interruptible); 656 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv, 657 struct vmw_dma_buffer *bo, 658 bool interruptible); 659 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 660 SVGAGuestPtr *ptr); 661 extern void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin); 662 663 /** 664 * Misc Ioctl functionality - vmwgfx_ioctl.c 665 */ 666 667 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 668 struct drm_file *file_priv); 669 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 670 struct drm_file *file_priv); 671 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 672 struct drm_file *file_priv); 673 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 674 struct drm_file *file_priv); 675 extern unsigned int vmw_fops_poll(struct file *filp, 676 struct poll_table_struct *wait); 677 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 678 size_t count, loff_t *offset); 679 680 /** 681 * Fifo utilities - vmwgfx_fifo.c 682 */ 683 684 extern int vmw_fifo_init(struct vmw_private *dev_priv, 685 struct vmw_fifo_state *fifo); 686 extern void vmw_fifo_release(struct vmw_private *dev_priv, 687 struct vmw_fifo_state *fifo); 688 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 689 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 690 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 691 uint32_t *seqno); 692 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 693 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 694 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 695 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 696 uint32_t cid); 697 698 /** 699 * TTM glue - vmwgfx_ttm_glue.c 700 */ 701 702 extern int vmw_ttm_global_init(struct vmw_private *dev_priv); 703 extern void vmw_ttm_global_release(struct vmw_private *dev_priv); 704 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 705 706 /** 707 * TTM buffer object driver - vmwgfx_buffer.c 708 */ 709 710 extern const size_t vmw_tt_size; 711 extern struct ttm_placement vmw_vram_placement; 712 extern struct ttm_placement vmw_vram_ne_placement; 713 extern struct ttm_placement vmw_vram_sys_placement; 714 extern struct ttm_placement vmw_vram_gmr_placement; 715 extern struct ttm_placement vmw_vram_gmr_ne_placement; 716 extern struct ttm_placement vmw_sys_placement; 717 extern struct ttm_placement vmw_sys_ne_placement; 718 extern struct ttm_placement vmw_evictable_placement; 719 extern struct ttm_placement vmw_srf_placement; 720 extern struct ttm_placement vmw_mob_placement; 721 extern struct ttm_bo_driver vmw_bo_driver; 722 extern int vmw_dma_quiescent(struct drm_device *dev); 723 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 724 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 725 extern const struct vmw_sg_table * 726 vmw_bo_sg_table(struct ttm_buffer_object *bo); 727 extern void vmw_piter_start(struct vmw_piter *viter, 728 const struct vmw_sg_table *vsgt, 729 unsigned long p_offs); 730 731 /** 732 * vmw_piter_next - Advance the iterator one page. 733 * 734 * @viter: Pointer to the iterator to advance. 735 * 736 * Returns false if past the list of pages, true otherwise. 737 */ 738 static inline bool vmw_piter_next(struct vmw_piter *viter) 739 { 740 return viter->next(viter); 741 } 742 743 /** 744 * vmw_piter_dma_addr - Return the DMA address of the current page. 745 * 746 * @viter: Pointer to the iterator 747 * 748 * Returns the DMA address of the page pointed to by @viter. 749 */ 750 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 751 { 752 return viter->dma_address(viter); 753 } 754 755 /** 756 * vmw_piter_page - Return a pointer to the current page. 757 * 758 * @viter: Pointer to the iterator 759 * 760 * Returns the DMA address of the page pointed to by @viter. 761 */ 762 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 763 { 764 return viter->page(viter); 765 } 766 767 /** 768 * Command submission - vmwgfx_execbuf.c 769 */ 770 771 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 772 struct drm_file *file_priv); 773 extern int vmw_execbuf_process(struct drm_file *file_priv, 774 struct vmw_private *dev_priv, 775 void __user *user_commands, 776 void *kernel_commands, 777 uint32_t command_size, 778 uint64_t throttle_us, 779 struct drm_vmw_fence_rep __user 780 *user_fence_rep, 781 struct vmw_fence_obj **out_fence); 782 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 783 struct vmw_fence_obj *fence); 784 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 785 786 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 787 struct vmw_private *dev_priv, 788 struct vmw_fence_obj **p_fence, 789 uint32_t *p_handle); 790 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 791 struct vmw_fpriv *vmw_fp, 792 int ret, 793 struct drm_vmw_fence_rep __user 794 *user_fence_rep, 795 struct vmw_fence_obj *fence, 796 uint32_t fence_handle); 797 798 /** 799 * IRQs and wating - vmwgfx_irq.c 800 */ 801 802 extern irqreturn_t vmw_irq_handler(int irq, void *arg); 803 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 804 uint32_t seqno, bool interruptible, 805 unsigned long timeout); 806 extern void vmw_irq_preinstall(struct drm_device *dev); 807 extern int vmw_irq_postinstall(struct drm_device *dev); 808 extern void vmw_irq_uninstall(struct drm_device *dev); 809 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 810 uint32_t seqno); 811 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 812 bool lazy, 813 bool fifo_idle, 814 uint32_t seqno, 815 bool interruptible, 816 unsigned long timeout); 817 extern void vmw_update_seqno(struct vmw_private *dev_priv, 818 struct vmw_fifo_state *fifo_state); 819 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 820 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 821 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 822 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 823 824 /** 825 * Rudimentary fence-like objects currently used only for throttling - 826 * vmwgfx_marker.c 827 */ 828 829 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 830 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 831 extern int vmw_marker_push(struct vmw_marker_queue *queue, 832 uint32_t seqno); 833 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 834 uint32_t signaled_seqno); 835 extern int vmw_wait_lag(struct vmw_private *dev_priv, 836 struct vmw_marker_queue *queue, uint32_t us); 837 838 /** 839 * Kernel framebuffer - vmwgfx_fb.c 840 */ 841 842 int vmw_fb_init(struct vmw_private *vmw_priv); 843 int vmw_fb_close(struct vmw_private *dev_priv); 844 int vmw_fb_off(struct vmw_private *vmw_priv); 845 int vmw_fb_on(struct vmw_private *vmw_priv); 846 847 /** 848 * Kernel modesetting - vmwgfx_kms.c 849 */ 850 851 int vmw_kms_init(struct vmw_private *dev_priv); 852 int vmw_kms_close(struct vmw_private *dev_priv); 853 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 854 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 855 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 856 struct drm_file *file_priv); 857 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 858 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 859 struct ttm_object_file *tfile, 860 struct ttm_buffer_object *bo, 861 SVGA3dCmdHeader *header); 862 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 863 unsigned width, unsigned height, unsigned pitch, 864 unsigned bpp, unsigned depth); 865 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 866 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 867 uint32_t pitch, 868 uint32_t height); 869 u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc); 870 int vmw_enable_vblank(struct drm_device *dev, int crtc); 871 void vmw_disable_vblank(struct drm_device *dev, int crtc); 872 int vmw_kms_present(struct vmw_private *dev_priv, 873 struct drm_file *file_priv, 874 struct vmw_framebuffer *vfb, 875 struct vmw_surface *surface, 876 uint32_t sid, int32_t destX, int32_t destY, 877 struct drm_vmw_rect *clips, 878 uint32_t num_clips); 879 int vmw_kms_readback(struct vmw_private *dev_priv, 880 struct drm_file *file_priv, 881 struct vmw_framebuffer *vfb, 882 struct drm_vmw_fence_rep __user *user_fence_rep, 883 struct drm_vmw_rect *clips, 884 uint32_t num_clips); 885 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 886 struct drm_file *file_priv); 887 888 int vmw_dumb_create(struct drm_file *file_priv, 889 struct drm_device *dev, 890 struct drm_mode_create_dumb *args); 891 892 int vmw_dumb_map_offset(struct drm_file *file_priv, 893 struct drm_device *dev, uint32_t handle, 894 uint64_t *offset); 895 int vmw_dumb_destroy(struct drm_file *file_priv, 896 struct drm_device *dev, 897 uint32_t handle); 898 /** 899 * Overlay control - vmwgfx_overlay.c 900 */ 901 902 int vmw_overlay_init(struct vmw_private *dev_priv); 903 int vmw_overlay_close(struct vmw_private *dev_priv); 904 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 905 struct drm_file *file_priv); 906 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 907 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 908 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 909 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 910 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 911 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 912 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 913 914 /** 915 * GMR Id manager 916 */ 917 918 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 919 920 /** 921 * Prime - vmwgfx_prime.c 922 */ 923 924 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 925 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 926 struct drm_file *file_priv, 927 int fd, u32 *handle); 928 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 929 struct drm_file *file_priv, 930 uint32_t handle, uint32_t flags, 931 int *prime_fd); 932 933 /* 934 * MemoryOBject management - vmwgfx_mob.c 935 */ 936 struct vmw_mob; 937 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 938 const struct vmw_sg_table *vsgt, 939 unsigned long num_data_pages, int32_t mob_id); 940 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 941 struct vmw_mob *mob); 942 extern void vmw_mob_destroy(struct vmw_mob *mob); 943 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 944 extern int vmw_otables_setup(struct vmw_private *dev_priv); 945 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 946 947 /* 948 * Context management - vmwgfx_context.c 949 */ 950 951 extern const struct vmw_user_resource_conv *user_context_converter; 952 953 extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv); 954 955 extern int vmw_context_check(struct vmw_private *dev_priv, 956 struct ttm_object_file *tfile, 957 int id, 958 struct vmw_resource **p_res); 959 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 960 struct drm_file *file_priv); 961 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 962 struct drm_file *file_priv); 963 extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs, 964 const struct vmw_ctx_bindinfo *ci); 965 extern void 966 vmw_context_binding_state_transfer(struct vmw_resource *res, 967 struct vmw_ctx_binding_state *cbs); 968 extern void vmw_context_binding_res_list_kill(struct list_head *head); 969 extern void vmw_context_binding_res_list_scrub(struct list_head *head); 970 extern int vmw_context_rebind_all(struct vmw_resource *ctx); 971 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 972 973 /* 974 * Surface management - vmwgfx_surface.c 975 */ 976 977 extern const struct vmw_user_resource_conv *user_surface_converter; 978 979 extern void vmw_surface_res_free(struct vmw_resource *res); 980 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 981 struct drm_file *file_priv); 982 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 983 struct drm_file *file_priv); 984 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 985 struct drm_file *file_priv); 986 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 987 struct drm_file *file_priv); 988 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 989 struct drm_file *file_priv); 990 extern int vmw_surface_check(struct vmw_private *dev_priv, 991 struct ttm_object_file *tfile, 992 uint32_t handle, int *id); 993 extern int vmw_surface_validate(struct vmw_private *dev_priv, 994 struct vmw_surface *srf); 995 996 /* 997 * Shader management - vmwgfx_shader.c 998 */ 999 1000 extern const struct vmw_user_resource_conv *user_shader_converter; 1001 1002 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1003 struct drm_file *file_priv); 1004 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1005 struct drm_file *file_priv); 1006 extern int vmw_compat_shader_lookup(struct vmw_compat_shader_manager *man, 1007 SVGA3dShaderType shader_type, 1008 u32 *user_key); 1009 extern void vmw_compat_shaders_commit(struct vmw_compat_shader_manager *man, 1010 struct list_head *list); 1011 extern void vmw_compat_shaders_revert(struct vmw_compat_shader_manager *man, 1012 struct list_head *list); 1013 extern int vmw_compat_shader_remove(struct vmw_compat_shader_manager *man, 1014 u32 user_key, 1015 SVGA3dShaderType shader_type, 1016 struct list_head *list); 1017 extern int vmw_compat_shader_add(struct vmw_compat_shader_manager *man, 1018 u32 user_key, const void *bytecode, 1019 SVGA3dShaderType shader_type, 1020 size_t size, 1021 struct ttm_object_file *tfile, 1022 struct list_head *list); 1023 extern struct vmw_compat_shader_manager * 1024 vmw_compat_shader_man_create(struct vmw_private *dev_priv); 1025 extern void 1026 vmw_compat_shader_man_destroy(struct vmw_compat_shader_manager *man); 1027 1028 1029 /** 1030 * Inline helper functions 1031 */ 1032 1033 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1034 { 1035 struct vmw_surface *tmp_srf = *srf; 1036 struct vmw_resource *res = &tmp_srf->res; 1037 *srf = NULL; 1038 1039 vmw_resource_unreference(&res); 1040 } 1041 1042 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1043 { 1044 (void) vmw_resource_reference(&srf->res); 1045 return srf; 1046 } 1047 1048 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf) 1049 { 1050 struct vmw_dma_buffer *tmp_buf = *buf; 1051 1052 *buf = NULL; 1053 if (tmp_buf != NULL) { 1054 struct ttm_buffer_object *bo = &tmp_buf->base; 1055 1056 ttm_bo_unref(&bo); 1057 } 1058 } 1059 1060 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf) 1061 { 1062 if (ttm_bo_reference(&buf->base)) 1063 return buf; 1064 return NULL; 1065 } 1066 1067 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1068 { 1069 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object; 1070 } 1071 #endif 1072