1 /************************************************************************** 2 * 3 * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef _VMWGFX_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 <drm/drm_auth.h> 36 #include <linux/suspend.h> 37 #include <drm/ttm/ttm_bo_driver.h> 38 #include <drm/ttm/ttm_object.h> 39 #include <drm/ttm/ttm_lock.h> 40 #include <drm/ttm/ttm_execbuf_util.h> 41 #include <drm/ttm/ttm_module.h> 42 #include "vmwgfx_fence.h" 43 #include <linux/sync_file.h> 44 45 #define VMWGFX_DRIVER_NAME "vmwgfx" 46 #define VMWGFX_DRIVER_DATE "20180322" 47 #define VMWGFX_DRIVER_MAJOR 2 48 #define VMWGFX_DRIVER_MINOR 14 49 #define VMWGFX_DRIVER_PATCHLEVEL 1 50 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 51 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 52 #define VMWGFX_MAX_RELOCATIONS 2048 53 #define VMWGFX_MAX_VALIDATIONS 2048 54 #define VMWGFX_MAX_DISPLAYS 16 55 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 56 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 57 58 /* 59 * Perhaps we should have sysfs entries for these. 60 */ 61 #define VMWGFX_NUM_GB_CONTEXT 256 62 #define VMWGFX_NUM_GB_SHADER 20000 63 #define VMWGFX_NUM_GB_SURFACE 32768 64 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 65 #define VMWGFX_NUM_DXCONTEXT 256 66 #define VMWGFX_NUM_DXQUERY 512 67 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 68 VMWGFX_NUM_GB_SHADER +\ 69 VMWGFX_NUM_GB_SURFACE +\ 70 VMWGFX_NUM_GB_SCREEN_TARGET) 71 72 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 73 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 74 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 75 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 76 77 #define VMW_RES_CONTEXT ttm_driver_type0 78 #define VMW_RES_SURFACE ttm_driver_type1 79 #define VMW_RES_STREAM ttm_driver_type2 80 #define VMW_RES_FENCE ttm_driver_type3 81 #define VMW_RES_SHADER ttm_driver_type4 82 83 struct vmw_fpriv { 84 struct drm_master *locked_master; 85 struct ttm_object_file *tfile; 86 bool gb_aware; 87 }; 88 89 struct vmw_dma_buffer { 90 struct ttm_buffer_object base; 91 struct list_head res_list; 92 s32 pin_count; 93 /* Not ref-counted. Protected by binding_mutex */ 94 struct vmw_resource *dx_query_ctx; 95 /* Protected by reservation */ 96 struct ttm_bo_kmap_obj map; 97 }; 98 99 /** 100 * struct vmw_validate_buffer - Carries validation info about buffers. 101 * 102 * @base: Validation info for TTM. 103 * @hash: Hash entry for quick lookup of the TTM buffer object. 104 * 105 * This structure contains also driver private validation info 106 * on top of the info needed by TTM. 107 */ 108 struct vmw_validate_buffer { 109 struct ttm_validate_buffer base; 110 struct drm_hash_item hash; 111 bool validate_as_mob; 112 }; 113 114 struct vmw_res_func; 115 struct vmw_resource { 116 struct kref kref; 117 struct vmw_private *dev_priv; 118 int id; 119 bool avail; 120 unsigned long backup_size; 121 bool res_dirty; /* Protected by backup buffer reserved */ 122 bool backup_dirty; /* Protected by backup buffer reserved */ 123 struct vmw_dma_buffer *backup; 124 unsigned long backup_offset; 125 unsigned long pin_count; /* Protected by resource reserved */ 126 const struct vmw_res_func *func; 127 struct list_head lru_head; /* Protected by the resource lock */ 128 struct list_head mob_head; /* Protected by @backup reserved */ 129 struct list_head binding_head; /* Protected by binding_mutex */ 130 void (*res_free) (struct vmw_resource *res); 131 void (*hw_destroy) (struct vmw_resource *res); 132 }; 133 134 135 /* 136 * Resources that are managed using ioctls. 137 */ 138 enum vmw_res_type { 139 vmw_res_context, 140 vmw_res_surface, 141 vmw_res_stream, 142 vmw_res_shader, 143 vmw_res_dx_context, 144 vmw_res_cotable, 145 vmw_res_view, 146 vmw_res_max 147 }; 148 149 /* 150 * Resources that are managed using command streams. 151 */ 152 enum vmw_cmdbuf_res_type { 153 vmw_cmdbuf_res_shader, 154 vmw_cmdbuf_res_view 155 }; 156 157 struct vmw_cmdbuf_res_manager; 158 159 struct vmw_cursor_snooper { 160 size_t age; 161 uint32_t *image; 162 }; 163 164 struct vmw_framebuffer; 165 struct vmw_surface_offset; 166 167 struct vmw_surface { 168 struct vmw_resource res; 169 uint32_t flags; 170 uint32_t format; 171 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 172 struct drm_vmw_size base_size; 173 struct drm_vmw_size *sizes; 174 uint32_t num_sizes; 175 bool scanout; 176 uint32_t array_size; 177 /* TODO so far just a extra pointer */ 178 struct vmw_cursor_snooper snooper; 179 struct vmw_surface_offset *offsets; 180 SVGA3dTextureFilter autogen_filter; 181 uint32_t multisample_count; 182 struct list_head view_list; 183 }; 184 185 struct vmw_marker_queue { 186 struct list_head head; 187 u64 lag; 188 u64 lag_time; 189 spinlock_t lock; 190 }; 191 192 struct vmw_fifo_state { 193 unsigned long reserved_size; 194 u32 *dynamic_buffer; 195 u32 *static_buffer; 196 unsigned long static_buffer_size; 197 bool using_bounce_buffer; 198 uint32_t capabilities; 199 struct mutex fifo_mutex; 200 struct rw_semaphore rwsem; 201 struct vmw_marker_queue marker_queue; 202 bool dx; 203 }; 204 205 struct vmw_relocation { 206 SVGAMobId *mob_loc; 207 SVGAGuestPtr *location; 208 uint32_t index; 209 }; 210 211 /** 212 * struct vmw_res_cache_entry - resource information cache entry 213 * 214 * @valid: Whether the entry is valid, which also implies that the execbuf 215 * code holds a reference to the resource, and it's placed on the 216 * validation list. 217 * @handle: User-space handle of a resource. 218 * @res: Non-ref-counted pointer to the resource. 219 * 220 * Used to avoid frequent repeated user-space handle lookups of the 221 * same resource. 222 */ 223 struct vmw_res_cache_entry { 224 bool valid; 225 uint32_t handle; 226 struct vmw_resource *res; 227 struct vmw_resource_val_node *node; 228 }; 229 230 /** 231 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 232 */ 233 enum vmw_dma_map_mode { 234 vmw_dma_phys, /* Use physical page addresses */ 235 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 236 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 237 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 238 vmw_dma_map_max 239 }; 240 241 /** 242 * struct vmw_sg_table - Scatter/gather table for binding, with additional 243 * device-specific information. 244 * 245 * @sgt: Pointer to a struct sg_table with binding information 246 * @num_regions: Number of regions with device-address contiguous pages 247 */ 248 struct vmw_sg_table { 249 enum vmw_dma_map_mode mode; 250 struct page **pages; 251 const dma_addr_t *addrs; 252 struct sg_table *sgt; 253 unsigned long num_regions; 254 unsigned long num_pages; 255 }; 256 257 /** 258 * struct vmw_piter - Page iterator that iterates over a list of pages 259 * and DMA addresses that could be either a scatter-gather list or 260 * arrays 261 * 262 * @pages: Array of page pointers to the pages. 263 * @addrs: DMA addresses to the pages if coherent pages are used. 264 * @iter: Scatter-gather page iterator. Current position in SG list. 265 * @i: Current position in arrays. 266 * @num_pages: Number of pages total. 267 * @next: Function to advance the iterator. Returns false if past the list 268 * of pages, true otherwise. 269 * @dma_address: Function to return the DMA address of the current page. 270 */ 271 struct vmw_piter { 272 struct page **pages; 273 const dma_addr_t *addrs; 274 struct sg_page_iter iter; 275 unsigned long i; 276 unsigned long num_pages; 277 bool (*next)(struct vmw_piter *); 278 dma_addr_t (*dma_address)(struct vmw_piter *); 279 struct page *(*page)(struct vmw_piter *); 280 }; 281 282 /* 283 * enum vmw_display_unit_type - Describes the display unit 284 */ 285 enum vmw_display_unit_type { 286 vmw_du_invalid = 0, 287 vmw_du_legacy, 288 vmw_du_screen_object, 289 vmw_du_screen_target 290 }; 291 292 293 struct vmw_sw_context{ 294 struct drm_open_hash res_ht; 295 bool res_ht_initialized; 296 bool kernel; /**< is the called made from the kernel */ 297 struct vmw_fpriv *fp; 298 struct list_head validate_nodes; 299 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS]; 300 uint32_t cur_reloc; 301 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS]; 302 uint32_t cur_val_buf; 303 uint32_t *cmd_bounce; 304 uint32_t cmd_bounce_size; 305 struct list_head resource_list; 306 struct list_head ctx_resource_list; /* For contexts and cotables */ 307 struct vmw_dma_buffer *cur_query_bo; 308 struct list_head res_relocations; 309 uint32_t *buf_start; 310 struct vmw_res_cache_entry res_cache[vmw_res_max]; 311 struct vmw_resource *last_query_ctx; 312 bool needs_post_query_barrier; 313 struct vmw_resource *error_resource; 314 struct vmw_ctx_binding_state *staged_bindings; 315 bool staged_bindings_inuse; 316 struct list_head staged_cmd_res; 317 struct vmw_resource_val_node *dx_ctx_node; 318 struct vmw_dma_buffer *dx_query_mob; 319 struct vmw_resource *dx_query_ctx; 320 struct vmw_cmdbuf_res_manager *man; 321 }; 322 323 struct vmw_legacy_display; 324 struct vmw_overlay; 325 326 struct vmw_master { 327 struct ttm_lock lock; 328 }; 329 330 struct vmw_vga_topology_state { 331 uint32_t width; 332 uint32_t height; 333 uint32_t primary; 334 uint32_t pos_x; 335 uint32_t pos_y; 336 }; 337 338 339 /* 340 * struct vmw_otable - Guest Memory OBject table metadata 341 * 342 * @size: Size of the table (page-aligned). 343 * @page_table: Pointer to a struct vmw_mob holding the page table. 344 */ 345 struct vmw_otable { 346 unsigned long size; 347 struct vmw_mob *page_table; 348 bool enabled; 349 }; 350 351 struct vmw_otable_batch { 352 unsigned num_otables; 353 struct vmw_otable *otables; 354 struct vmw_resource *context; 355 struct ttm_buffer_object *otable_bo; 356 }; 357 358 enum { 359 VMW_IRQTHREAD_FENCE, 360 VMW_IRQTHREAD_CMDBUF, 361 VMW_IRQTHREAD_MAX 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 texture_max_width; 382 uint32_t texture_max_height; 383 uint32_t stdu_max_width; 384 uint32_t stdu_max_height; 385 uint32_t initial_width; 386 uint32_t initial_height; 387 u32 *mmio_virt; 388 uint32_t capabilities; 389 uint32_t max_gmr_ids; 390 uint32_t max_gmr_pages; 391 uint32_t max_mob_pages; 392 uint32_t max_mob_size; 393 uint32_t memory_size; 394 bool has_gmr; 395 bool has_mob; 396 spinlock_t hw_lock; 397 spinlock_t cap_lock; 398 bool has_dx; 399 bool assume_16bpp; 400 401 /* 402 * VGA registers. 403 */ 404 405 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 406 uint32_t vga_width; 407 uint32_t vga_height; 408 uint32_t vga_bpp; 409 uint32_t vga_bpl; 410 uint32_t vga_pitchlock; 411 412 uint32_t num_displays; 413 414 /* 415 * Framebuffer info. 416 */ 417 418 void *fb_info; 419 enum vmw_display_unit_type active_display_unit; 420 struct vmw_legacy_display *ldu_priv; 421 struct vmw_overlay *overlay_priv; 422 struct drm_property *hotplug_mode_update_property; 423 struct drm_property *implicit_placement_property; 424 unsigned num_implicit; 425 struct vmw_framebuffer *implicit_fb; 426 struct mutex global_kms_state_mutex; 427 spinlock_t cursor_lock; 428 struct drm_atomic_state *suspend_state; 429 430 /* 431 * Context and surface management. 432 */ 433 434 rwlock_t resource_lock; 435 struct idr res_idr[vmw_res_max]; 436 /* 437 * Block lastclose from racing with firstopen. 438 */ 439 440 struct mutex init_mutex; 441 442 /* 443 * A resource manager for kernel-only surfaces and 444 * contexts. 445 */ 446 447 struct ttm_object_device *tdev; 448 449 /* 450 * Fencing and IRQs. 451 */ 452 453 atomic_t marker_seq; 454 wait_queue_head_t fence_queue; 455 wait_queue_head_t fifo_queue; 456 spinlock_t waiter_lock; 457 int fence_queue_waiters; /* Protected by waiter_lock */ 458 int goal_queue_waiters; /* Protected by waiter_lock */ 459 int cmdbuf_waiters; /* Protected by waiter_lock */ 460 int error_waiters; /* Protected by waiter_lock */ 461 int fifo_queue_waiters; /* Protected by waiter_lock */ 462 uint32_t last_read_seqno; 463 struct vmw_fence_manager *fman; 464 uint32_t irq_mask; /* Updates protected by waiter_lock */ 465 466 /* 467 * Device state 468 */ 469 470 uint32_t traces_state; 471 uint32_t enable_state; 472 uint32_t config_done_state; 473 474 /** 475 * Execbuf 476 */ 477 /** 478 * Protected by the cmdbuf mutex. 479 */ 480 481 struct vmw_sw_context ctx; 482 struct mutex cmdbuf_mutex; 483 struct mutex binding_mutex; 484 485 /** 486 * Operating mode. 487 */ 488 489 bool stealth; 490 bool enable_fb; 491 spinlock_t svga_lock; 492 493 /** 494 * Master management. 495 */ 496 497 struct vmw_master *active_master; 498 struct vmw_master fbdev_master; 499 struct notifier_block pm_nb; 500 bool refuse_hibernation; 501 bool suspend_locked; 502 503 struct mutex release_mutex; 504 atomic_t num_fifo_resources; 505 506 /* 507 * Replace this with an rwsem as soon as we have down_xx_interruptible() 508 */ 509 struct ttm_lock reservation_sem; 510 511 /* 512 * Query processing. These members 513 * are protected by the cmdbuf mutex. 514 */ 515 516 struct vmw_dma_buffer *dummy_query_bo; 517 struct vmw_dma_buffer *pinned_bo; 518 uint32_t query_cid; 519 uint32_t query_cid_valid; 520 bool dummy_query_bo_pinned; 521 522 /* 523 * Surface swapping. The "surface_lru" list is protected by the 524 * resource lock in order to be able to destroy a surface and take 525 * it off the lru atomically. "used_memory_size" is currently 526 * protected by the cmdbuf mutex for simplicity. 527 */ 528 529 struct list_head res_lru[vmw_res_max]; 530 uint32_t used_memory_size; 531 532 /* 533 * DMA mapping stuff. 534 */ 535 enum vmw_dma_map_mode map_mode; 536 537 /* 538 * Guest Backed stuff 539 */ 540 struct vmw_otable_batch otable_batch; 541 542 struct vmw_cmdbuf_man *cman; 543 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 544 }; 545 546 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 547 { 548 return container_of(res, struct vmw_surface, res); 549 } 550 551 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 552 { 553 return (struct vmw_private *)dev->dev_private; 554 } 555 556 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 557 { 558 return (struct vmw_fpriv *)file_priv->driver_priv; 559 } 560 561 static inline struct vmw_master *vmw_master(struct drm_master *master) 562 { 563 return (struct vmw_master *) master->driver_priv; 564 } 565 566 /* 567 * The locking here is fine-grained, so that it is performed once 568 * for every read- and write operation. This is of course costly, but we 569 * don't perform much register access in the timing critical paths anyway. 570 * Instead we have the extra benefit of being sure that we don't forget 571 * the hw lock around register accesses. 572 */ 573 static inline void vmw_write(struct vmw_private *dev_priv, 574 unsigned int offset, uint32_t value) 575 { 576 spin_lock(&dev_priv->hw_lock); 577 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 578 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 579 spin_unlock(&dev_priv->hw_lock); 580 } 581 582 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 583 unsigned int offset) 584 { 585 u32 val; 586 587 spin_lock(&dev_priv->hw_lock); 588 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 589 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 590 spin_unlock(&dev_priv->hw_lock); 591 592 return val; 593 } 594 595 extern void vmw_svga_enable(struct vmw_private *dev_priv); 596 extern void vmw_svga_disable(struct vmw_private *dev_priv); 597 598 599 /** 600 * GMR utilities - vmwgfx_gmr.c 601 */ 602 603 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 604 const struct vmw_sg_table *vsgt, 605 unsigned long num_pages, 606 int gmr_id); 607 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 608 609 /** 610 * Resource utilities - vmwgfx_resource.c 611 */ 612 struct vmw_user_resource_conv; 613 614 extern void vmw_resource_unreference(struct vmw_resource **p_res); 615 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 616 extern struct vmw_resource * 617 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 618 extern int vmw_resource_validate(struct vmw_resource *res); 619 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 620 bool no_backup); 621 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 622 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 623 struct ttm_object_file *tfile, 624 uint32_t handle, 625 struct vmw_surface **out_surf, 626 struct vmw_dma_buffer **out_buf); 627 extern int vmw_user_resource_lookup_handle( 628 struct vmw_private *dev_priv, 629 struct ttm_object_file *tfile, 630 uint32_t handle, 631 const struct vmw_user_resource_conv *converter, 632 struct vmw_resource **p_res); 633 extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo); 634 extern int vmw_dmabuf_init(struct vmw_private *dev_priv, 635 struct vmw_dma_buffer *vmw_bo, 636 size_t size, struct ttm_placement *placement, 637 bool interuptable, 638 void (*bo_free) (struct ttm_buffer_object *bo)); 639 extern int vmw_user_dmabuf_verify_access(struct ttm_buffer_object *bo, 640 struct ttm_object_file *tfile); 641 extern int vmw_user_dmabuf_alloc(struct vmw_private *dev_priv, 642 struct ttm_object_file *tfile, 643 uint32_t size, 644 bool shareable, 645 uint32_t *handle, 646 struct vmw_dma_buffer **p_dma_buf, 647 struct ttm_base_object **p_base); 648 extern int vmw_user_dmabuf_reference(struct ttm_object_file *tfile, 649 struct vmw_dma_buffer *dma_buf, 650 uint32_t *handle); 651 extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data, 652 struct drm_file *file_priv); 653 extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data, 654 struct drm_file *file_priv); 655 extern int vmw_user_dmabuf_synccpu_ioctl(struct drm_device *dev, void *data, 656 struct drm_file *file_priv); 657 extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo, 658 uint32_t cur_validate_node); 659 extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo); 660 extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile, 661 uint32_t id, struct vmw_dma_buffer **out, 662 struct ttm_base_object **base); 663 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 664 struct drm_file *file_priv); 665 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 666 struct drm_file *file_priv); 667 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 668 struct ttm_object_file *tfile, 669 uint32_t *inout_id, 670 struct vmw_resource **out); 671 extern void vmw_resource_unreserve(struct vmw_resource *res, 672 bool switch_backup, 673 struct vmw_dma_buffer *new_backup, 674 unsigned long new_backup_offset); 675 extern void vmw_resource_move_notify(struct ttm_buffer_object *bo, 676 struct ttm_mem_reg *mem); 677 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 678 struct ttm_mem_reg *mem); 679 extern void vmw_resource_swap_notify(struct ttm_buffer_object *bo); 680 extern int vmw_query_readback_all(struct vmw_dma_buffer *dx_query_mob); 681 extern void vmw_fence_single_bo(struct ttm_buffer_object *bo, 682 struct vmw_fence_obj *fence); 683 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 684 685 686 /** 687 * DMA buffer helper routines - vmwgfx_dmabuf.c 688 */ 689 extern int vmw_dmabuf_pin_in_placement(struct vmw_private *vmw_priv, 690 struct vmw_dma_buffer *bo, 691 struct ttm_placement *placement, 692 bool interruptible); 693 extern int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv, 694 struct vmw_dma_buffer *buf, 695 bool interruptible); 696 extern int vmw_dmabuf_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 697 struct vmw_dma_buffer *buf, 698 bool interruptible); 699 extern int vmw_dmabuf_pin_in_start_of_vram(struct vmw_private *vmw_priv, 700 struct vmw_dma_buffer *bo, 701 bool interruptible); 702 extern int vmw_dmabuf_unpin(struct vmw_private *vmw_priv, 703 struct vmw_dma_buffer *bo, 704 bool interruptible); 705 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 706 SVGAGuestPtr *ptr); 707 extern void vmw_bo_pin_reserved(struct vmw_dma_buffer *bo, bool pin); 708 extern void *vmw_dma_buffer_map_and_cache(struct vmw_dma_buffer *vbo); 709 extern void vmw_dma_buffer_unmap(struct vmw_dma_buffer *vbo); 710 711 /** 712 * Misc Ioctl functionality - vmwgfx_ioctl.c 713 */ 714 715 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 716 struct drm_file *file_priv); 717 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 718 struct drm_file *file_priv); 719 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 720 struct drm_file *file_priv); 721 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 722 struct drm_file *file_priv); 723 extern __poll_t vmw_fops_poll(struct file *filp, 724 struct poll_table_struct *wait); 725 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 726 size_t count, loff_t *offset); 727 728 /** 729 * Fifo utilities - vmwgfx_fifo.c 730 */ 731 732 extern int vmw_fifo_init(struct vmw_private *dev_priv, 733 struct vmw_fifo_state *fifo); 734 extern void vmw_fifo_release(struct vmw_private *dev_priv, 735 struct vmw_fifo_state *fifo); 736 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 737 extern void * 738 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 739 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 740 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 741 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 742 uint32_t *seqno); 743 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 744 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 745 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 746 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 747 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 748 uint32_t cid); 749 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 750 bool interruptible); 751 752 /** 753 * TTM glue - vmwgfx_ttm_glue.c 754 */ 755 756 extern int vmw_ttm_global_init(struct vmw_private *dev_priv); 757 extern void vmw_ttm_global_release(struct vmw_private *dev_priv); 758 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 759 760 /** 761 * TTM buffer object driver - vmwgfx_buffer.c 762 */ 763 764 extern const size_t vmw_tt_size; 765 extern struct ttm_placement vmw_vram_placement; 766 extern struct ttm_placement vmw_vram_ne_placement; 767 extern struct ttm_placement vmw_vram_sys_placement; 768 extern struct ttm_placement vmw_vram_gmr_placement; 769 extern struct ttm_placement vmw_vram_gmr_ne_placement; 770 extern struct ttm_placement vmw_sys_placement; 771 extern struct ttm_placement vmw_sys_ne_placement; 772 extern struct ttm_placement vmw_evictable_placement; 773 extern struct ttm_placement vmw_srf_placement; 774 extern struct ttm_placement vmw_mob_placement; 775 extern struct ttm_placement vmw_mob_ne_placement; 776 extern struct ttm_placement vmw_nonfixed_placement; 777 extern struct ttm_bo_driver vmw_bo_driver; 778 extern int vmw_dma_quiescent(struct drm_device *dev); 779 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 780 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 781 extern const struct vmw_sg_table * 782 vmw_bo_sg_table(struct ttm_buffer_object *bo); 783 extern void vmw_piter_start(struct vmw_piter *viter, 784 const struct vmw_sg_table *vsgt, 785 unsigned long p_offs); 786 787 /** 788 * vmw_piter_next - Advance the iterator one page. 789 * 790 * @viter: Pointer to the iterator to advance. 791 * 792 * Returns false if past the list of pages, true otherwise. 793 */ 794 static inline bool vmw_piter_next(struct vmw_piter *viter) 795 { 796 return viter->next(viter); 797 } 798 799 /** 800 * vmw_piter_dma_addr - Return the DMA address of the current page. 801 * 802 * @viter: Pointer to the iterator 803 * 804 * Returns the DMA address of the page pointed to by @viter. 805 */ 806 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 807 { 808 return viter->dma_address(viter); 809 } 810 811 /** 812 * vmw_piter_page - Return a pointer to the current page. 813 * 814 * @viter: Pointer to the iterator 815 * 816 * Returns the DMA address of the page pointed to by @viter. 817 */ 818 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 819 { 820 return viter->page(viter); 821 } 822 823 /** 824 * Command submission - vmwgfx_execbuf.c 825 */ 826 827 extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data, 828 struct drm_file *file_priv, size_t size); 829 extern int vmw_execbuf_process(struct drm_file *file_priv, 830 struct vmw_private *dev_priv, 831 void __user *user_commands, 832 void *kernel_commands, 833 uint32_t command_size, 834 uint64_t throttle_us, 835 uint32_t dx_context_handle, 836 struct drm_vmw_fence_rep __user 837 *user_fence_rep, 838 struct vmw_fence_obj **out_fence, 839 uint32_t flags); 840 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 841 struct vmw_fence_obj *fence); 842 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 843 844 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 845 struct vmw_private *dev_priv, 846 struct vmw_fence_obj **p_fence, 847 uint32_t *p_handle); 848 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 849 struct vmw_fpriv *vmw_fp, 850 int ret, 851 struct drm_vmw_fence_rep __user 852 *user_fence_rep, 853 struct vmw_fence_obj *fence, 854 uint32_t fence_handle, 855 int32_t out_fence_fd, 856 struct sync_file *sync_file); 857 extern int vmw_validate_single_buffer(struct vmw_private *dev_priv, 858 struct ttm_buffer_object *bo, 859 bool interruptible, 860 bool validate_as_mob); 861 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 862 863 /** 864 * IRQs and wating - vmwgfx_irq.c 865 */ 866 867 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 868 uint32_t seqno, bool interruptible, 869 unsigned long timeout); 870 extern int vmw_irq_install(struct drm_device *dev, int irq); 871 extern void vmw_irq_uninstall(struct drm_device *dev); 872 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 873 uint32_t seqno); 874 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 875 bool lazy, 876 bool fifo_idle, 877 uint32_t seqno, 878 bool interruptible, 879 unsigned long timeout); 880 extern void vmw_update_seqno(struct vmw_private *dev_priv, 881 struct vmw_fifo_state *fifo_state); 882 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 883 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 884 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 885 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 886 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 887 int *waiter_count); 888 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 889 u32 flag, int *waiter_count); 890 891 /** 892 * Rudimentary fence-like objects currently used only for throttling - 893 * vmwgfx_marker.c 894 */ 895 896 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 897 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 898 extern int vmw_marker_push(struct vmw_marker_queue *queue, 899 uint32_t seqno); 900 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 901 uint32_t signaled_seqno); 902 extern int vmw_wait_lag(struct vmw_private *dev_priv, 903 struct vmw_marker_queue *queue, uint32_t us); 904 905 /** 906 * Kernel framebuffer - vmwgfx_fb.c 907 */ 908 909 int vmw_fb_init(struct vmw_private *vmw_priv); 910 int vmw_fb_close(struct vmw_private *dev_priv); 911 int vmw_fb_off(struct vmw_private *vmw_priv); 912 int vmw_fb_on(struct vmw_private *vmw_priv); 913 914 /** 915 * Kernel modesetting - vmwgfx_kms.c 916 */ 917 918 int vmw_kms_init(struct vmw_private *dev_priv); 919 int vmw_kms_close(struct vmw_private *dev_priv); 920 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 921 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 922 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 923 struct drm_file *file_priv); 924 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 925 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 926 struct ttm_object_file *tfile, 927 struct ttm_buffer_object *bo, 928 SVGA3dCmdHeader *header); 929 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 930 unsigned width, unsigned height, unsigned pitch, 931 unsigned bpp, unsigned depth); 932 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 933 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 934 uint32_t pitch, 935 uint32_t height); 936 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 937 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe); 938 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe); 939 int vmw_kms_present(struct vmw_private *dev_priv, 940 struct drm_file *file_priv, 941 struct vmw_framebuffer *vfb, 942 struct vmw_surface *surface, 943 uint32_t sid, int32_t destX, int32_t destY, 944 struct drm_vmw_rect *clips, 945 uint32_t num_clips); 946 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 947 struct drm_file *file_priv); 948 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 949 int vmw_kms_suspend(struct drm_device *dev); 950 int vmw_kms_resume(struct drm_device *dev); 951 void vmw_kms_lost_device(struct drm_device *dev); 952 953 int vmw_dumb_create(struct drm_file *file_priv, 954 struct drm_device *dev, 955 struct drm_mode_create_dumb *args); 956 957 int vmw_dumb_map_offset(struct drm_file *file_priv, 958 struct drm_device *dev, uint32_t handle, 959 uint64_t *offset); 960 int vmw_dumb_destroy(struct drm_file *file_priv, 961 struct drm_device *dev, 962 uint32_t handle); 963 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 964 extern void vmw_resource_unpin(struct vmw_resource *res); 965 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 966 967 /** 968 * Overlay control - vmwgfx_overlay.c 969 */ 970 971 int vmw_overlay_init(struct vmw_private *dev_priv); 972 int vmw_overlay_close(struct vmw_private *dev_priv); 973 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 974 struct drm_file *file_priv); 975 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 976 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 977 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 978 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 979 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 980 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 981 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 982 983 /** 984 * GMR Id manager 985 */ 986 987 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 988 989 /** 990 * Prime - vmwgfx_prime.c 991 */ 992 993 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 994 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 995 struct drm_file *file_priv, 996 int fd, u32 *handle); 997 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 998 struct drm_file *file_priv, 999 uint32_t handle, uint32_t flags, 1000 int *prime_fd); 1001 1002 /* 1003 * MemoryOBject management - vmwgfx_mob.c 1004 */ 1005 struct vmw_mob; 1006 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1007 const struct vmw_sg_table *vsgt, 1008 unsigned long num_data_pages, int32_t mob_id); 1009 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1010 struct vmw_mob *mob); 1011 extern void vmw_mob_destroy(struct vmw_mob *mob); 1012 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1013 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1014 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1015 1016 /* 1017 * Context management - vmwgfx_context.c 1018 */ 1019 1020 extern const struct vmw_user_resource_conv *user_context_converter; 1021 1022 extern int vmw_context_check(struct vmw_private *dev_priv, 1023 struct ttm_object_file *tfile, 1024 int id, 1025 struct vmw_resource **p_res); 1026 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1027 struct drm_file *file_priv); 1028 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1029 struct drm_file *file_priv); 1030 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1031 struct drm_file *file_priv); 1032 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1033 extern struct vmw_cmdbuf_res_manager * 1034 vmw_context_res_man(struct vmw_resource *ctx); 1035 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1036 SVGACOTableType cotable_type); 1037 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1038 struct vmw_ctx_binding_state; 1039 extern struct vmw_ctx_binding_state * 1040 vmw_context_binding_state(struct vmw_resource *ctx); 1041 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1042 bool readback); 1043 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1044 struct vmw_dma_buffer *mob); 1045 extern struct vmw_dma_buffer * 1046 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1047 1048 1049 /* 1050 * Surface management - vmwgfx_surface.c 1051 */ 1052 1053 extern const struct vmw_user_resource_conv *user_surface_converter; 1054 1055 extern void vmw_surface_res_free(struct vmw_resource *res); 1056 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1057 struct drm_file *file_priv); 1058 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1059 struct drm_file *file_priv); 1060 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1061 struct drm_file *file_priv); 1062 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1063 struct drm_file *file_priv); 1064 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1065 struct drm_file *file_priv); 1066 extern int vmw_surface_check(struct vmw_private *dev_priv, 1067 struct ttm_object_file *tfile, 1068 uint32_t handle, int *id); 1069 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1070 struct vmw_surface *srf); 1071 int vmw_surface_gb_priv_define(struct drm_device *dev, 1072 uint32_t user_accounting_size, 1073 uint32_t svga3d_flags, 1074 SVGA3dSurfaceFormat format, 1075 bool for_scanout, 1076 uint32_t num_mip_levels, 1077 uint32_t multisample_count, 1078 uint32_t array_size, 1079 struct drm_vmw_size size, 1080 struct vmw_surface **srf_out); 1081 1082 /* 1083 * Shader management - vmwgfx_shader.c 1084 */ 1085 1086 extern const struct vmw_user_resource_conv *user_shader_converter; 1087 1088 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1089 struct drm_file *file_priv); 1090 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1091 struct drm_file *file_priv); 1092 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1093 struct vmw_cmdbuf_res_manager *man, 1094 u32 user_key, const void *bytecode, 1095 SVGA3dShaderType shader_type, 1096 size_t size, 1097 struct list_head *list); 1098 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1099 u32 user_key, SVGA3dShaderType shader_type, 1100 struct list_head *list); 1101 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1102 struct vmw_resource *ctx, 1103 u32 user_key, 1104 SVGA3dShaderType shader_type, 1105 struct list_head *list); 1106 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1107 struct list_head *list, 1108 bool readback); 1109 1110 extern struct vmw_resource * 1111 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1112 u32 user_key, SVGA3dShaderType shader_type); 1113 1114 /* 1115 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1116 */ 1117 1118 extern struct vmw_cmdbuf_res_manager * 1119 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1120 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1121 extern size_t vmw_cmdbuf_res_man_size(void); 1122 extern struct vmw_resource * 1123 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1124 enum vmw_cmdbuf_res_type res_type, 1125 u32 user_key); 1126 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1127 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1128 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1129 enum vmw_cmdbuf_res_type res_type, 1130 u32 user_key, 1131 struct vmw_resource *res, 1132 struct list_head *list); 1133 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1134 enum vmw_cmdbuf_res_type res_type, 1135 u32 user_key, 1136 struct list_head *list, 1137 struct vmw_resource **res); 1138 1139 /* 1140 * COTable management - vmwgfx_cotable.c 1141 */ 1142 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1143 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1144 struct vmw_resource *ctx, 1145 u32 type); 1146 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1147 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1148 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1149 struct list_head *head); 1150 1151 /* 1152 * Command buffer managerment vmwgfx_cmdbuf.c 1153 */ 1154 struct vmw_cmdbuf_man; 1155 struct vmw_cmdbuf_header; 1156 1157 extern struct vmw_cmdbuf_man * 1158 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1159 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1160 size_t size, size_t default_size); 1161 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1162 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1163 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1164 unsigned long timeout); 1165 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1166 int ctx_id, bool interruptible, 1167 struct vmw_cmdbuf_header *header); 1168 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1169 struct vmw_cmdbuf_header *header, 1170 bool flush); 1171 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1172 size_t size, bool interruptible, 1173 struct vmw_cmdbuf_header **p_header); 1174 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1175 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1176 bool interruptible); 1177 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1178 1179 /* CPU blit utilities - vmwgfx_blit.c */ 1180 1181 /** 1182 * struct vmw_diff_cpy - CPU blit information structure 1183 * 1184 * @rect: The output bounding box rectangle. 1185 * @line: The current line of the blit. 1186 * @line_offset: Offset of the current line segment. 1187 * @cpp: Bytes per pixel (granularity information). 1188 * @memcpy: Which memcpy function to use. 1189 */ 1190 struct vmw_diff_cpy { 1191 struct drm_rect rect; 1192 size_t line; 1193 size_t line_offset; 1194 int cpp; 1195 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1196 size_t n); 1197 }; 1198 1199 #define VMW_CPU_BLIT_INITIALIZER { \ 1200 .do_cpy = vmw_memcpy, \ 1201 } 1202 1203 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1204 .line = 0, \ 1205 .line_offset = 0, \ 1206 .rect = { .x1 = INT_MAX/2, \ 1207 .y1 = INT_MAX/2, \ 1208 .x2 = INT_MIN/2, \ 1209 .y2 = INT_MIN/2 \ 1210 }, \ 1211 .cpp = _cpp, \ 1212 .do_cpy = vmw_diff_memcpy, \ 1213 } 1214 1215 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1216 size_t n); 1217 1218 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1219 1220 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1221 u32 dst_offset, u32 dst_stride, 1222 struct ttm_buffer_object *src, 1223 u32 src_offset, u32 src_stride, 1224 u32 w, u32 h, 1225 struct vmw_diff_cpy *diff); 1226 1227 /** 1228 * Inline helper functions 1229 */ 1230 1231 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1232 { 1233 struct vmw_surface *tmp_srf = *srf; 1234 struct vmw_resource *res = &tmp_srf->res; 1235 *srf = NULL; 1236 1237 vmw_resource_unreference(&res); 1238 } 1239 1240 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1241 { 1242 (void) vmw_resource_reference(&srf->res); 1243 return srf; 1244 } 1245 1246 static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf) 1247 { 1248 struct vmw_dma_buffer *tmp_buf = *buf; 1249 1250 *buf = NULL; 1251 if (tmp_buf != NULL) { 1252 struct ttm_buffer_object *bo = &tmp_buf->base; 1253 1254 ttm_bo_unref(&bo); 1255 } 1256 } 1257 1258 static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf) 1259 { 1260 if (ttm_bo_reference(&buf->base)) 1261 return buf; 1262 return NULL; 1263 } 1264 1265 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1266 { 1267 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object; 1268 } 1269 1270 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1271 { 1272 atomic_inc(&dev_priv->num_fifo_resources); 1273 } 1274 1275 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1276 { 1277 atomic_dec(&dev_priv->num_fifo_resources); 1278 } 1279 1280 /** 1281 * vmw_mmio_read - Perform a MMIO read from volatile memory 1282 * 1283 * @addr: The address to read from 1284 * 1285 * This function is intended to be equivalent to ioread32() on 1286 * memremap'd memory, but without byteswapping. 1287 */ 1288 static inline u32 vmw_mmio_read(u32 *addr) 1289 { 1290 return READ_ONCE(*addr); 1291 } 1292 1293 /** 1294 * vmw_mmio_write - Perform a MMIO write to volatile memory 1295 * 1296 * @addr: The address to write to 1297 * 1298 * This function is intended to be equivalent to iowrite32 on 1299 * memremap'd memory, but without byteswapping. 1300 */ 1301 static inline void vmw_mmio_write(u32 value, u32 *addr) 1302 { 1303 WRITE_ONCE(*addr, value); 1304 } 1305 1306 /** 1307 * Add vmw_msg module function 1308 */ 1309 extern int vmw_host_log(const char *log); 1310 1311 #endif 1312