1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA 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 "20180704" 47 #define VMWGFX_DRIVER_MAJOR 2 48 #define VMWGFX_DRIVER_MINOR 15 49 #define VMWGFX_DRIVER_PATCHLEVEL 0 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; /* user-space is guest-backed aware */ 87 }; 88 89 struct vmw_buffer_object { 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_buffer_object *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 SVGA3dSurfaceAllFlags 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 SVGA3dMSPattern multisample_pattern; 184 SVGA3dMSQualityLevel quality_level; 185 }; 186 187 struct vmw_marker_queue { 188 struct list_head head; 189 u64 lag; 190 u64 lag_time; 191 spinlock_t lock; 192 }; 193 194 struct vmw_fifo_state { 195 unsigned long reserved_size; 196 u32 *dynamic_buffer; 197 u32 *static_buffer; 198 unsigned long static_buffer_size; 199 bool using_bounce_buffer; 200 uint32_t capabilities; 201 struct mutex fifo_mutex; 202 struct rw_semaphore rwsem; 203 struct vmw_marker_queue marker_queue; 204 bool dx; 205 }; 206 207 struct vmw_relocation { 208 SVGAMobId *mob_loc; 209 SVGAGuestPtr *location; 210 uint32_t index; 211 }; 212 213 /** 214 * struct vmw_res_cache_entry - resource information cache entry 215 * 216 * @valid: Whether the entry is valid, which also implies that the execbuf 217 * code holds a reference to the resource, and it's placed on the 218 * validation list. 219 * @handle: User-space handle of a resource. 220 * @res: Non-ref-counted pointer to the resource. 221 * 222 * Used to avoid frequent repeated user-space handle lookups of the 223 * same resource. 224 */ 225 struct vmw_res_cache_entry { 226 bool valid; 227 uint32_t handle; 228 struct vmw_resource *res; 229 struct vmw_resource_val_node *node; 230 }; 231 232 /** 233 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 234 */ 235 enum vmw_dma_map_mode { 236 vmw_dma_phys, /* Use physical page addresses */ 237 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 238 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 239 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 240 vmw_dma_map_max 241 }; 242 243 /** 244 * struct vmw_sg_table - Scatter/gather table for binding, with additional 245 * device-specific information. 246 * 247 * @sgt: Pointer to a struct sg_table with binding information 248 * @num_regions: Number of regions with device-address contiguous pages 249 */ 250 struct vmw_sg_table { 251 enum vmw_dma_map_mode mode; 252 struct page **pages; 253 const dma_addr_t *addrs; 254 struct sg_table *sgt; 255 unsigned long num_regions; 256 unsigned long num_pages; 257 }; 258 259 /** 260 * struct vmw_piter - Page iterator that iterates over a list of pages 261 * and DMA addresses that could be either a scatter-gather list or 262 * arrays 263 * 264 * @pages: Array of page pointers to the pages. 265 * @addrs: DMA addresses to the pages if coherent pages are used. 266 * @iter: Scatter-gather page iterator. Current position in SG list. 267 * @i: Current position in arrays. 268 * @num_pages: Number of pages total. 269 * @next: Function to advance the iterator. Returns false if past the list 270 * of pages, true otherwise. 271 * @dma_address: Function to return the DMA address of the current page. 272 */ 273 struct vmw_piter { 274 struct page **pages; 275 const dma_addr_t *addrs; 276 struct sg_page_iter iter; 277 unsigned long i; 278 unsigned long num_pages; 279 bool (*next)(struct vmw_piter *); 280 dma_addr_t (*dma_address)(struct vmw_piter *); 281 struct page *(*page)(struct vmw_piter *); 282 }; 283 284 /* 285 * enum vmw_display_unit_type - Describes the display unit 286 */ 287 enum vmw_display_unit_type { 288 vmw_du_invalid = 0, 289 vmw_du_legacy, 290 vmw_du_screen_object, 291 vmw_du_screen_target 292 }; 293 294 295 struct vmw_sw_context{ 296 struct drm_open_hash res_ht; 297 bool res_ht_initialized; 298 bool kernel; /**< is the called made from the kernel */ 299 struct vmw_fpriv *fp; 300 struct list_head validate_nodes; 301 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS]; 302 uint32_t cur_reloc; 303 struct vmw_validate_buffer val_bufs[VMWGFX_MAX_VALIDATIONS]; 304 uint32_t cur_val_buf; 305 uint32_t *cmd_bounce; 306 uint32_t cmd_bounce_size; 307 struct list_head resource_list; 308 struct list_head ctx_resource_list; /* For contexts and cotables */ 309 struct vmw_buffer_object *cur_query_bo; 310 struct list_head res_relocations; 311 uint32_t *buf_start; 312 struct vmw_res_cache_entry res_cache[vmw_res_max]; 313 struct vmw_resource *last_query_ctx; 314 bool needs_post_query_barrier; 315 struct vmw_resource *error_resource; 316 struct vmw_ctx_binding_state *staged_bindings; 317 bool staged_bindings_inuse; 318 struct list_head staged_cmd_res; 319 struct vmw_resource_val_node *dx_ctx_node; 320 struct vmw_buffer_object *dx_query_mob; 321 struct vmw_resource *dx_query_ctx; 322 struct vmw_cmdbuf_res_manager *man; 323 }; 324 325 struct vmw_legacy_display; 326 struct vmw_overlay; 327 328 struct vmw_master { 329 struct ttm_lock lock; 330 }; 331 332 struct vmw_vga_topology_state { 333 uint32_t width; 334 uint32_t height; 335 uint32_t primary; 336 uint32_t pos_x; 337 uint32_t pos_y; 338 }; 339 340 341 /* 342 * struct vmw_otable - Guest Memory OBject table metadata 343 * 344 * @size: Size of the table (page-aligned). 345 * @page_table: Pointer to a struct vmw_mob holding the page table. 346 */ 347 struct vmw_otable { 348 unsigned long size; 349 struct vmw_mob *page_table; 350 bool enabled; 351 }; 352 353 struct vmw_otable_batch { 354 unsigned num_otables; 355 struct vmw_otable *otables; 356 struct vmw_resource *context; 357 struct ttm_buffer_object *otable_bo; 358 }; 359 360 enum { 361 VMW_IRQTHREAD_FENCE, 362 VMW_IRQTHREAD_CMDBUF, 363 VMW_IRQTHREAD_MAX 364 }; 365 366 struct vmw_private { 367 struct ttm_bo_device bdev; 368 struct ttm_bo_global_ref bo_global_ref; 369 struct drm_global_reference mem_global_ref; 370 371 struct vmw_fifo_state fifo; 372 373 struct drm_device *dev; 374 unsigned long vmw_chipset; 375 unsigned int io_start; 376 uint32_t vram_start; 377 uint32_t vram_size; 378 uint32_t prim_bb_mem; 379 uint32_t mmio_start; 380 uint32_t mmio_size; 381 uint32_t fb_max_width; 382 uint32_t fb_max_height; 383 uint32_t texture_max_width; 384 uint32_t texture_max_height; 385 uint32_t stdu_max_width; 386 uint32_t stdu_max_height; 387 uint32_t initial_width; 388 uint32_t initial_height; 389 u32 *mmio_virt; 390 uint32_t capabilities; 391 uint32_t capabilities2; 392 uint32_t max_gmr_ids; 393 uint32_t max_gmr_pages; 394 uint32_t max_mob_pages; 395 uint32_t max_mob_size; 396 uint32_t memory_size; 397 bool has_gmr; 398 bool has_mob; 399 spinlock_t hw_lock; 400 spinlock_t cap_lock; 401 bool has_dx; 402 bool assume_16bpp; 403 bool has_sm4_1; 404 405 /* 406 * VGA registers. 407 */ 408 409 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 410 uint32_t vga_width; 411 uint32_t vga_height; 412 uint32_t vga_bpp; 413 uint32_t vga_bpl; 414 uint32_t vga_pitchlock; 415 416 uint32_t num_displays; 417 418 /* 419 * Currently requested_layout_mutex is used to protect the gui 420 * positionig state in display unit. With that use case currently this 421 * mutex is only taken during layout ioctl and atomic check_modeset. 422 * Other display unit state can be protected with this mutex but that 423 * needs careful consideration. 424 */ 425 struct mutex requested_layout_mutex; 426 427 /* 428 * Framebuffer info. 429 */ 430 431 void *fb_info; 432 enum vmw_display_unit_type active_display_unit; 433 struct vmw_legacy_display *ldu_priv; 434 struct vmw_overlay *overlay_priv; 435 struct drm_property *hotplug_mode_update_property; 436 struct drm_property *implicit_placement_property; 437 unsigned num_implicit; 438 struct vmw_framebuffer *implicit_fb; 439 struct mutex global_kms_state_mutex; 440 spinlock_t cursor_lock; 441 struct drm_atomic_state *suspend_state; 442 443 /* 444 * Context and surface management. 445 */ 446 447 rwlock_t resource_lock; 448 struct idr res_idr[vmw_res_max]; 449 /* 450 * Block lastclose from racing with firstopen. 451 */ 452 453 struct mutex init_mutex; 454 455 /* 456 * A resource manager for kernel-only surfaces and 457 * contexts. 458 */ 459 460 struct ttm_object_device *tdev; 461 462 /* 463 * Fencing and IRQs. 464 */ 465 466 atomic_t marker_seq; 467 wait_queue_head_t fence_queue; 468 wait_queue_head_t fifo_queue; 469 spinlock_t waiter_lock; 470 int fence_queue_waiters; /* Protected by waiter_lock */ 471 int goal_queue_waiters; /* Protected by waiter_lock */ 472 int cmdbuf_waiters; /* Protected by waiter_lock */ 473 int error_waiters; /* Protected by waiter_lock */ 474 int fifo_queue_waiters; /* Protected by waiter_lock */ 475 uint32_t last_read_seqno; 476 struct vmw_fence_manager *fman; 477 uint32_t irq_mask; /* Updates protected by waiter_lock */ 478 479 /* 480 * Device state 481 */ 482 483 uint32_t traces_state; 484 uint32_t enable_state; 485 uint32_t config_done_state; 486 487 /** 488 * Execbuf 489 */ 490 /** 491 * Protected by the cmdbuf mutex. 492 */ 493 494 struct vmw_sw_context ctx; 495 struct mutex cmdbuf_mutex; 496 struct mutex binding_mutex; 497 498 /** 499 * Operating mode. 500 */ 501 502 bool stealth; 503 bool enable_fb; 504 spinlock_t svga_lock; 505 506 /** 507 * Master management. 508 */ 509 510 struct vmw_master *active_master; 511 struct vmw_master fbdev_master; 512 struct notifier_block pm_nb; 513 bool refuse_hibernation; 514 bool suspend_locked; 515 516 struct mutex release_mutex; 517 atomic_t num_fifo_resources; 518 519 /* 520 * Replace this with an rwsem as soon as we have down_xx_interruptible() 521 */ 522 struct ttm_lock reservation_sem; 523 524 /* 525 * Query processing. These members 526 * are protected by the cmdbuf mutex. 527 */ 528 529 struct vmw_buffer_object *dummy_query_bo; 530 struct vmw_buffer_object *pinned_bo; 531 uint32_t query_cid; 532 uint32_t query_cid_valid; 533 bool dummy_query_bo_pinned; 534 535 /* 536 * Surface swapping. The "surface_lru" list is protected by the 537 * resource lock in order to be able to destroy a surface and take 538 * it off the lru atomically. "used_memory_size" is currently 539 * protected by the cmdbuf mutex for simplicity. 540 */ 541 542 struct list_head res_lru[vmw_res_max]; 543 uint32_t used_memory_size; 544 545 /* 546 * DMA mapping stuff. 547 */ 548 enum vmw_dma_map_mode map_mode; 549 550 /* 551 * Guest Backed stuff 552 */ 553 struct vmw_otable_batch otable_batch; 554 555 struct vmw_cmdbuf_man *cman; 556 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 557 }; 558 559 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 560 { 561 return container_of(res, struct vmw_surface, res); 562 } 563 564 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 565 { 566 return (struct vmw_private *)dev->dev_private; 567 } 568 569 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 570 { 571 return (struct vmw_fpriv *)file_priv->driver_priv; 572 } 573 574 static inline struct vmw_master *vmw_master(struct drm_master *master) 575 { 576 return (struct vmw_master *) master->driver_priv; 577 } 578 579 /* 580 * The locking here is fine-grained, so that it is performed once 581 * for every read- and write operation. This is of course costly, but we 582 * don't perform much register access in the timing critical paths anyway. 583 * Instead we have the extra benefit of being sure that we don't forget 584 * the hw lock around register accesses. 585 */ 586 static inline void vmw_write(struct vmw_private *dev_priv, 587 unsigned int offset, uint32_t value) 588 { 589 spin_lock(&dev_priv->hw_lock); 590 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 591 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 592 spin_unlock(&dev_priv->hw_lock); 593 } 594 595 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 596 unsigned int offset) 597 { 598 u32 val; 599 600 spin_lock(&dev_priv->hw_lock); 601 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 602 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 603 spin_unlock(&dev_priv->hw_lock); 604 605 return val; 606 } 607 608 extern void vmw_svga_enable(struct vmw_private *dev_priv); 609 extern void vmw_svga_disable(struct vmw_private *dev_priv); 610 611 612 /** 613 * GMR utilities - vmwgfx_gmr.c 614 */ 615 616 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 617 const struct vmw_sg_table *vsgt, 618 unsigned long num_pages, 619 int gmr_id); 620 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 621 622 /** 623 * Resource utilities - vmwgfx_resource.c 624 */ 625 struct vmw_user_resource_conv; 626 627 extern void vmw_resource_unreference(struct vmw_resource **p_res); 628 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 629 extern struct vmw_resource * 630 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 631 extern int vmw_resource_validate(struct vmw_resource *res); 632 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 633 bool no_backup); 634 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 635 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 636 struct ttm_object_file *tfile, 637 uint32_t handle, 638 struct vmw_surface **out_surf, 639 struct vmw_buffer_object **out_buf); 640 extern int vmw_user_resource_lookup_handle( 641 struct vmw_private *dev_priv, 642 struct ttm_object_file *tfile, 643 uint32_t handle, 644 const struct vmw_user_resource_conv *converter, 645 struct vmw_resource **p_res); 646 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 647 struct drm_file *file_priv); 648 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 649 struct drm_file *file_priv); 650 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 651 struct ttm_object_file *tfile, 652 uint32_t *inout_id, 653 struct vmw_resource **out); 654 extern void vmw_resource_unreserve(struct vmw_resource *res, 655 bool switch_backup, 656 struct vmw_buffer_object *new_backup, 657 unsigned long new_backup_offset); 658 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 659 struct ttm_mem_reg *mem); 660 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 661 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 662 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 663 664 /** 665 * Buffer object helper functions - vmwgfx_bo.c 666 */ 667 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 668 struct vmw_buffer_object *bo, 669 struct ttm_placement *placement, 670 bool interruptible); 671 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 672 struct vmw_buffer_object *buf, 673 bool interruptible); 674 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 675 struct vmw_buffer_object *buf, 676 bool interruptible); 677 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 678 struct vmw_buffer_object *bo, 679 bool interruptible); 680 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 681 struct vmw_buffer_object *bo, 682 bool interruptible); 683 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 684 SVGAGuestPtr *ptr); 685 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 686 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 687 extern int vmw_bo_init(struct vmw_private *dev_priv, 688 struct vmw_buffer_object *vmw_bo, 689 size_t size, struct ttm_placement *placement, 690 bool interuptable, 691 void (*bo_free)(struct ttm_buffer_object *bo)); 692 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 693 struct ttm_object_file *tfile); 694 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 695 struct ttm_object_file *tfile, 696 uint32_t size, 697 bool shareable, 698 uint32_t *handle, 699 struct vmw_buffer_object **p_dma_buf, 700 struct ttm_base_object **p_base); 701 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 702 struct vmw_buffer_object *dma_buf, 703 uint32_t *handle); 704 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 705 struct drm_file *file_priv); 706 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 707 struct drm_file *file_priv); 708 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 709 struct drm_file *file_priv); 710 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 711 uint32_t id, struct vmw_buffer_object **out, 712 struct ttm_base_object **base); 713 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 714 struct vmw_fence_obj *fence); 715 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 716 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 717 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 718 struct ttm_mem_reg *mem); 719 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 720 721 /** 722 * Misc Ioctl functionality - vmwgfx_ioctl.c 723 */ 724 725 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 726 struct drm_file *file_priv); 727 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 728 struct drm_file *file_priv); 729 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 730 struct drm_file *file_priv); 731 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 732 struct drm_file *file_priv); 733 extern __poll_t vmw_fops_poll(struct file *filp, 734 struct poll_table_struct *wait); 735 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 736 size_t count, loff_t *offset); 737 738 /** 739 * Fifo utilities - vmwgfx_fifo.c 740 */ 741 742 extern int vmw_fifo_init(struct vmw_private *dev_priv, 743 struct vmw_fifo_state *fifo); 744 extern void vmw_fifo_release(struct vmw_private *dev_priv, 745 struct vmw_fifo_state *fifo); 746 extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes); 747 extern void * 748 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 749 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 750 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 751 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 752 uint32_t *seqno); 753 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 754 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 755 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 756 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 757 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 758 uint32_t cid); 759 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 760 bool interruptible); 761 762 /** 763 * TTM glue - vmwgfx_ttm_glue.c 764 */ 765 766 extern int vmw_ttm_global_init(struct vmw_private *dev_priv); 767 extern void vmw_ttm_global_release(struct vmw_private *dev_priv); 768 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 769 770 /** 771 * TTM buffer object driver - vmwgfx_ttm_buffer.c 772 */ 773 774 extern const size_t vmw_tt_size; 775 extern struct ttm_placement vmw_vram_placement; 776 extern struct ttm_placement vmw_vram_ne_placement; 777 extern struct ttm_placement vmw_vram_sys_placement; 778 extern struct ttm_placement vmw_vram_gmr_placement; 779 extern struct ttm_placement vmw_vram_gmr_ne_placement; 780 extern struct ttm_placement vmw_sys_placement; 781 extern struct ttm_placement vmw_sys_ne_placement; 782 extern struct ttm_placement vmw_evictable_placement; 783 extern struct ttm_placement vmw_srf_placement; 784 extern struct ttm_placement vmw_mob_placement; 785 extern struct ttm_placement vmw_mob_ne_placement; 786 extern struct ttm_placement vmw_nonfixed_placement; 787 extern struct ttm_bo_driver vmw_bo_driver; 788 extern int vmw_dma_quiescent(struct drm_device *dev); 789 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 790 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 791 extern const struct vmw_sg_table * 792 vmw_bo_sg_table(struct ttm_buffer_object *bo); 793 extern void vmw_piter_start(struct vmw_piter *viter, 794 const struct vmw_sg_table *vsgt, 795 unsigned long p_offs); 796 797 /** 798 * vmw_piter_next - Advance the iterator one page. 799 * 800 * @viter: Pointer to the iterator to advance. 801 * 802 * Returns false if past the list of pages, true otherwise. 803 */ 804 static inline bool vmw_piter_next(struct vmw_piter *viter) 805 { 806 return viter->next(viter); 807 } 808 809 /** 810 * vmw_piter_dma_addr - Return the DMA address of the current page. 811 * 812 * @viter: Pointer to the iterator 813 * 814 * Returns the DMA address of the page pointed to by @viter. 815 */ 816 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 817 { 818 return viter->dma_address(viter); 819 } 820 821 /** 822 * vmw_piter_page - Return a pointer to the current page. 823 * 824 * @viter: Pointer to the iterator 825 * 826 * Returns the DMA address of the page pointed to by @viter. 827 */ 828 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 829 { 830 return viter->page(viter); 831 } 832 833 /** 834 * Command submission - vmwgfx_execbuf.c 835 */ 836 837 extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data, 838 struct drm_file *file_priv, size_t size); 839 extern int vmw_execbuf_process(struct drm_file *file_priv, 840 struct vmw_private *dev_priv, 841 void __user *user_commands, 842 void *kernel_commands, 843 uint32_t command_size, 844 uint64_t throttle_us, 845 uint32_t dx_context_handle, 846 struct drm_vmw_fence_rep __user 847 *user_fence_rep, 848 struct vmw_fence_obj **out_fence, 849 uint32_t flags); 850 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 851 struct vmw_fence_obj *fence); 852 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 853 854 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 855 struct vmw_private *dev_priv, 856 struct vmw_fence_obj **p_fence, 857 uint32_t *p_handle); 858 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 859 struct vmw_fpriv *vmw_fp, 860 int ret, 861 struct drm_vmw_fence_rep __user 862 *user_fence_rep, 863 struct vmw_fence_obj *fence, 864 uint32_t fence_handle, 865 int32_t out_fence_fd, 866 struct sync_file *sync_file); 867 extern int vmw_validate_single_buffer(struct vmw_private *dev_priv, 868 struct ttm_buffer_object *bo, 869 bool interruptible, 870 bool validate_as_mob); 871 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 872 873 /** 874 * IRQs and wating - vmwgfx_irq.c 875 */ 876 877 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 878 uint32_t seqno, bool interruptible, 879 unsigned long timeout); 880 extern int vmw_irq_install(struct drm_device *dev, int irq); 881 extern void vmw_irq_uninstall(struct drm_device *dev); 882 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 883 uint32_t seqno); 884 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 885 bool lazy, 886 bool fifo_idle, 887 uint32_t seqno, 888 bool interruptible, 889 unsigned long timeout); 890 extern void vmw_update_seqno(struct vmw_private *dev_priv, 891 struct vmw_fifo_state *fifo_state); 892 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 893 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 894 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 895 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 896 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 897 int *waiter_count); 898 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 899 u32 flag, int *waiter_count); 900 901 /** 902 * Rudimentary fence-like objects currently used only for throttling - 903 * vmwgfx_marker.c 904 */ 905 906 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 907 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 908 extern int vmw_marker_push(struct vmw_marker_queue *queue, 909 uint32_t seqno); 910 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 911 uint32_t signaled_seqno); 912 extern int vmw_wait_lag(struct vmw_private *dev_priv, 913 struct vmw_marker_queue *queue, uint32_t us); 914 915 /** 916 * Kernel framebuffer - vmwgfx_fb.c 917 */ 918 919 int vmw_fb_init(struct vmw_private *vmw_priv); 920 int vmw_fb_close(struct vmw_private *dev_priv); 921 int vmw_fb_off(struct vmw_private *vmw_priv); 922 int vmw_fb_on(struct vmw_private *vmw_priv); 923 924 /** 925 * Kernel modesetting - vmwgfx_kms.c 926 */ 927 928 int vmw_kms_init(struct vmw_private *dev_priv); 929 int vmw_kms_close(struct vmw_private *dev_priv); 930 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 931 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 932 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 933 struct drm_file *file_priv); 934 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 935 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 936 struct ttm_object_file *tfile, 937 struct ttm_buffer_object *bo, 938 SVGA3dCmdHeader *header); 939 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 940 unsigned width, unsigned height, unsigned pitch, 941 unsigned bpp, unsigned depth); 942 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 943 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 944 uint32_t pitch, 945 uint32_t height); 946 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 947 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe); 948 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe); 949 int vmw_kms_present(struct vmw_private *dev_priv, 950 struct drm_file *file_priv, 951 struct vmw_framebuffer *vfb, 952 struct vmw_surface *surface, 953 uint32_t sid, int32_t destX, int32_t destY, 954 struct drm_vmw_rect *clips, 955 uint32_t num_clips); 956 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 957 struct drm_file *file_priv); 958 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 959 int vmw_kms_suspend(struct drm_device *dev); 960 int vmw_kms_resume(struct drm_device *dev); 961 void vmw_kms_lost_device(struct drm_device *dev); 962 963 int vmw_dumb_create(struct drm_file *file_priv, 964 struct drm_device *dev, 965 struct drm_mode_create_dumb *args); 966 967 int vmw_dumb_map_offset(struct drm_file *file_priv, 968 struct drm_device *dev, uint32_t handle, 969 uint64_t *offset); 970 int vmw_dumb_destroy(struct drm_file *file_priv, 971 struct drm_device *dev, 972 uint32_t handle); 973 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 974 extern void vmw_resource_unpin(struct vmw_resource *res); 975 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 976 977 /** 978 * Overlay control - vmwgfx_overlay.c 979 */ 980 981 int vmw_overlay_init(struct vmw_private *dev_priv); 982 int vmw_overlay_close(struct vmw_private *dev_priv); 983 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 984 struct drm_file *file_priv); 985 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 986 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 987 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 988 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 989 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 990 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 991 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 992 993 /** 994 * GMR Id manager 995 */ 996 997 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 998 999 /** 1000 * Prime - vmwgfx_prime.c 1001 */ 1002 1003 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1004 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1005 struct drm_file *file_priv, 1006 int fd, u32 *handle); 1007 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1008 struct drm_file *file_priv, 1009 uint32_t handle, uint32_t flags, 1010 int *prime_fd); 1011 1012 /* 1013 * MemoryOBject management - vmwgfx_mob.c 1014 */ 1015 struct vmw_mob; 1016 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1017 const struct vmw_sg_table *vsgt, 1018 unsigned long num_data_pages, int32_t mob_id); 1019 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1020 struct vmw_mob *mob); 1021 extern void vmw_mob_destroy(struct vmw_mob *mob); 1022 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1023 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1024 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1025 1026 /* 1027 * Context management - vmwgfx_context.c 1028 */ 1029 1030 extern const struct vmw_user_resource_conv *user_context_converter; 1031 1032 extern int vmw_context_check(struct vmw_private *dev_priv, 1033 struct ttm_object_file *tfile, 1034 int id, 1035 struct vmw_resource **p_res); 1036 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1037 struct drm_file *file_priv); 1038 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1039 struct drm_file *file_priv); 1040 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1041 struct drm_file *file_priv); 1042 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1043 extern struct vmw_cmdbuf_res_manager * 1044 vmw_context_res_man(struct vmw_resource *ctx); 1045 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1046 SVGACOTableType cotable_type); 1047 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1048 struct vmw_ctx_binding_state; 1049 extern struct vmw_ctx_binding_state * 1050 vmw_context_binding_state(struct vmw_resource *ctx); 1051 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1052 bool readback); 1053 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1054 struct vmw_buffer_object *mob); 1055 extern struct vmw_buffer_object * 1056 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1057 1058 1059 /* 1060 * Surface management - vmwgfx_surface.c 1061 */ 1062 1063 extern const struct vmw_user_resource_conv *user_surface_converter; 1064 1065 extern void vmw_surface_res_free(struct vmw_resource *res); 1066 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1067 struct drm_file *file_priv); 1068 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1069 struct drm_file *file_priv); 1070 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1071 struct drm_file *file_priv); 1072 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1073 struct drm_file *file_priv); 1074 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1075 struct drm_file *file_priv); 1076 extern int vmw_surface_check(struct vmw_private *dev_priv, 1077 struct ttm_object_file *tfile, 1078 uint32_t handle, int *id); 1079 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1080 struct vmw_surface *srf); 1081 int vmw_surface_gb_priv_define(struct drm_device *dev, 1082 uint32_t user_accounting_size, 1083 SVGA3dSurfaceAllFlags svga3d_flags, 1084 SVGA3dSurfaceFormat format, 1085 bool for_scanout, 1086 uint32_t num_mip_levels, 1087 uint32_t multisample_count, 1088 uint32_t array_size, 1089 struct drm_vmw_size size, 1090 SVGA3dMSPattern multisample_pattern, 1091 SVGA3dMSQualityLevel quality_level, 1092 struct vmw_surface **srf_out); 1093 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1094 void *data, 1095 struct drm_file *file_priv); 1096 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1097 void *data, 1098 struct drm_file *file_priv); 1099 1100 /* 1101 * Shader management - vmwgfx_shader.c 1102 */ 1103 1104 extern const struct vmw_user_resource_conv *user_shader_converter; 1105 1106 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1107 struct drm_file *file_priv); 1108 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1109 struct drm_file *file_priv); 1110 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1111 struct vmw_cmdbuf_res_manager *man, 1112 u32 user_key, const void *bytecode, 1113 SVGA3dShaderType shader_type, 1114 size_t size, 1115 struct list_head *list); 1116 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1117 u32 user_key, SVGA3dShaderType shader_type, 1118 struct list_head *list); 1119 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1120 struct vmw_resource *ctx, 1121 u32 user_key, 1122 SVGA3dShaderType shader_type, 1123 struct list_head *list); 1124 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1125 struct list_head *list, 1126 bool readback); 1127 1128 extern struct vmw_resource * 1129 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1130 u32 user_key, SVGA3dShaderType shader_type); 1131 1132 /* 1133 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1134 */ 1135 1136 extern struct vmw_cmdbuf_res_manager * 1137 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1138 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1139 extern size_t vmw_cmdbuf_res_man_size(void); 1140 extern struct vmw_resource * 1141 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1142 enum vmw_cmdbuf_res_type res_type, 1143 u32 user_key); 1144 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1145 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1146 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1147 enum vmw_cmdbuf_res_type res_type, 1148 u32 user_key, 1149 struct vmw_resource *res, 1150 struct list_head *list); 1151 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1152 enum vmw_cmdbuf_res_type res_type, 1153 u32 user_key, 1154 struct list_head *list, 1155 struct vmw_resource **res); 1156 1157 /* 1158 * COTable management - vmwgfx_cotable.c 1159 */ 1160 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1161 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1162 struct vmw_resource *ctx, 1163 u32 type); 1164 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1165 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1166 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1167 struct list_head *head); 1168 1169 /* 1170 * Command buffer managerment vmwgfx_cmdbuf.c 1171 */ 1172 struct vmw_cmdbuf_man; 1173 struct vmw_cmdbuf_header; 1174 1175 extern struct vmw_cmdbuf_man * 1176 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1177 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1178 size_t size, size_t default_size); 1179 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1180 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1181 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1182 unsigned long timeout); 1183 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1184 int ctx_id, bool interruptible, 1185 struct vmw_cmdbuf_header *header); 1186 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1187 struct vmw_cmdbuf_header *header, 1188 bool flush); 1189 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1190 size_t size, bool interruptible, 1191 struct vmw_cmdbuf_header **p_header); 1192 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1193 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1194 bool interruptible); 1195 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1196 1197 /* CPU blit utilities - vmwgfx_blit.c */ 1198 1199 /** 1200 * struct vmw_diff_cpy - CPU blit information structure 1201 * 1202 * @rect: The output bounding box rectangle. 1203 * @line: The current line of the blit. 1204 * @line_offset: Offset of the current line segment. 1205 * @cpp: Bytes per pixel (granularity information). 1206 * @memcpy: Which memcpy function to use. 1207 */ 1208 struct vmw_diff_cpy { 1209 struct drm_rect rect; 1210 size_t line; 1211 size_t line_offset; 1212 int cpp; 1213 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1214 size_t n); 1215 }; 1216 1217 #define VMW_CPU_BLIT_INITIALIZER { \ 1218 .do_cpy = vmw_memcpy, \ 1219 } 1220 1221 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1222 .line = 0, \ 1223 .line_offset = 0, \ 1224 .rect = { .x1 = INT_MAX/2, \ 1225 .y1 = INT_MAX/2, \ 1226 .x2 = INT_MIN/2, \ 1227 .y2 = INT_MIN/2 \ 1228 }, \ 1229 .cpp = _cpp, \ 1230 .do_cpy = vmw_diff_memcpy, \ 1231 } 1232 1233 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1234 size_t n); 1235 1236 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1237 1238 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1239 u32 dst_offset, u32 dst_stride, 1240 struct ttm_buffer_object *src, 1241 u32 src_offset, u32 src_stride, 1242 u32 w, u32 h, 1243 struct vmw_diff_cpy *diff); 1244 1245 /* Host messaging -vmwgfx_msg.c: */ 1246 int vmw_host_get_guestinfo(const char *guest_info_param, 1247 char *buffer, size_t *length); 1248 int vmw_host_log(const char *log); 1249 1250 /** 1251 * Inline helper functions 1252 */ 1253 1254 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1255 { 1256 struct vmw_surface *tmp_srf = *srf; 1257 struct vmw_resource *res = &tmp_srf->res; 1258 *srf = NULL; 1259 1260 vmw_resource_unreference(&res); 1261 } 1262 1263 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1264 { 1265 (void) vmw_resource_reference(&srf->res); 1266 return srf; 1267 } 1268 1269 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1270 { 1271 struct vmw_buffer_object *tmp_buf = *buf; 1272 1273 *buf = NULL; 1274 if (tmp_buf != NULL) { 1275 struct ttm_buffer_object *bo = &tmp_buf->base; 1276 1277 ttm_bo_unref(&bo); 1278 } 1279 } 1280 1281 static inline struct vmw_buffer_object * 1282 vmw_bo_reference(struct vmw_buffer_object *buf) 1283 { 1284 if (ttm_bo_reference(&buf->base)) 1285 return buf; 1286 return NULL; 1287 } 1288 1289 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1290 { 1291 return (struct ttm_mem_global *) dev_priv->mem_global_ref.object; 1292 } 1293 1294 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1295 { 1296 atomic_inc(&dev_priv->num_fifo_resources); 1297 } 1298 1299 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1300 { 1301 atomic_dec(&dev_priv->num_fifo_resources); 1302 } 1303 1304 /** 1305 * vmw_mmio_read - Perform a MMIO read from volatile memory 1306 * 1307 * @addr: The address to read from 1308 * 1309 * This function is intended to be equivalent to ioread32() on 1310 * memremap'd memory, but without byteswapping. 1311 */ 1312 static inline u32 vmw_mmio_read(u32 *addr) 1313 { 1314 return READ_ONCE(*addr); 1315 } 1316 1317 /** 1318 * vmw_mmio_write - Perform a MMIO write to volatile memory 1319 * 1320 * @addr: The address to write to 1321 * 1322 * This function is intended to be equivalent to iowrite32 on 1323 * memremap'd memory, but without byteswapping. 1324 */ 1325 static inline void vmw_mmio_write(u32 value, u32 *addr) 1326 { 1327 WRITE_ONCE(*addr, value); 1328 } 1329 #endif 1330