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 <linux/suspend.h> 32 #include <linux/sync_file.h> 33 34 #include <drm/drm_auth.h> 35 #include <drm/drm_device.h> 36 #include <drm/drm_file.h> 37 #include <drm/drm_hashtab.h> 38 #include <drm/drm_rect.h> 39 40 #include <drm/ttm/ttm_bo_driver.h> 41 #include <drm/ttm/ttm_execbuf_util.h> 42 #include <drm/ttm/ttm_module.h> 43 44 #include "ttm_lock.h" 45 #include "ttm_object.h" 46 47 #include "vmwgfx_fence.h" 48 #include "vmwgfx_reg.h" 49 #include "vmwgfx_validation.h" 50 51 /* 52 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 53 * uapi headers should not depend on header files outside uapi/. 54 */ 55 #include <drm/vmwgfx_drm.h> 56 57 58 #define VMWGFX_DRIVER_NAME "vmwgfx" 59 #define VMWGFX_DRIVER_DATE "20190328" 60 #define VMWGFX_DRIVER_MAJOR 2 61 #define VMWGFX_DRIVER_MINOR 16 62 #define VMWGFX_DRIVER_PATCHLEVEL 0 63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 64 #define VMWGFX_MAX_RELOCATIONS 2048 65 #define VMWGFX_MAX_VALIDATIONS 2048 66 #define VMWGFX_MAX_DISPLAYS 16 67 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 68 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 69 70 /* 71 * Perhaps we should have sysfs entries for these. 72 */ 73 #define VMWGFX_NUM_GB_CONTEXT 256 74 #define VMWGFX_NUM_GB_SHADER 20000 75 #define VMWGFX_NUM_GB_SURFACE 32768 76 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 77 #define VMWGFX_NUM_DXCONTEXT 256 78 #define VMWGFX_NUM_DXQUERY 512 79 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 80 VMWGFX_NUM_GB_SHADER +\ 81 VMWGFX_NUM_GB_SURFACE +\ 82 VMWGFX_NUM_GB_SCREEN_TARGET) 83 84 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 85 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 86 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 87 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 88 89 #define VMW_RES_CONTEXT ttm_driver_type0 90 #define VMW_RES_SURFACE ttm_driver_type1 91 #define VMW_RES_STREAM ttm_driver_type2 92 #define VMW_RES_FENCE ttm_driver_type3 93 #define VMW_RES_SHADER ttm_driver_type4 94 95 struct vmw_fpriv { 96 struct ttm_object_file *tfile; 97 bool gb_aware; /* user-space is guest-backed aware */ 98 }; 99 100 /** 101 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 102 * @base: The TTM buffer object 103 * @res_tree: RB tree of resources using this buffer object as a backing MOB 104 * @pin_count: pin depth 105 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 106 * increased. May be decreased without reservation. 107 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 108 * @map: Kmap object for semi-persistent mappings 109 * @res_prios: Eviction priority counts for attached resources 110 * @dirty: structure for user-space dirty-tracking 111 */ 112 struct vmw_buffer_object { 113 struct ttm_buffer_object base; 114 struct rb_root res_tree; 115 s32 pin_count; 116 atomic_t cpu_writers; 117 /* Not ref-counted. Protected by binding_mutex */ 118 struct vmw_resource *dx_query_ctx; 119 /* Protected by reservation */ 120 struct ttm_bo_kmap_obj map; 121 u32 res_prios[TTM_MAX_BO_PRIORITY]; 122 struct vmw_bo_dirty *dirty; 123 }; 124 125 /** 126 * struct vmw_validate_buffer - Carries validation info about buffers. 127 * 128 * @base: Validation info for TTM. 129 * @hash: Hash entry for quick lookup of the TTM buffer object. 130 * 131 * This structure contains also driver private validation info 132 * on top of the info needed by TTM. 133 */ 134 struct vmw_validate_buffer { 135 struct ttm_validate_buffer base; 136 struct drm_hash_item hash; 137 bool validate_as_mob; 138 }; 139 140 struct vmw_res_func; 141 142 143 /** 144 * struct vmw-resource - base class for hardware resources 145 * 146 * @kref: For refcounting. 147 * @dev_priv: Pointer to the device private for this resource. Immutable. 148 * @id: Device id. Protected by @dev_priv::resource_lock. 149 * @backup_size: Backup buffer size. Immutable. 150 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 151 * by resource reserved. 152 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 153 * Protected by resource reserved. 154 * @coherent: Emulate coherency by tracking vm accesses. 155 * @backup: The backup buffer if any. Protected by resource reserved. 156 * @backup_offset: Offset into the backup buffer if any. Protected by resource 157 * reserved. Note that only a few resource types can have a @backup_offset 158 * different from zero. 159 * @pin_count: The pin count for this resource. A pinned resource has a 160 * pin-count greater than zero. It is not on the resource LRU lists and its 161 * backup buffer is pinned. Hence it can't be evicted. 162 * @func: Method vtable for this resource. Immutable. 163 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 164 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 165 * @binding_head: List head for the context binding list. Protected by 166 * the @dev_priv::binding_mutex 167 * @res_free: The resource destructor. 168 * @hw_destroy: Callback to destroy the resource on the device, as part of 169 * resource destruction. 170 */ 171 struct vmw_resource_dirty; 172 struct vmw_resource { 173 struct kref kref; 174 struct vmw_private *dev_priv; 175 int id; 176 u32 used_prio; 177 unsigned long backup_size; 178 u32 res_dirty : 1; 179 u32 backup_dirty : 1; 180 u32 coherent : 1; 181 struct vmw_buffer_object *backup; 182 unsigned long backup_offset; 183 unsigned long pin_count; 184 const struct vmw_res_func *func; 185 struct rb_node mob_node; 186 struct list_head lru_head; 187 struct list_head binding_head; 188 struct vmw_resource_dirty *dirty; 189 void (*res_free) (struct vmw_resource *res); 190 void (*hw_destroy) (struct vmw_resource *res); 191 }; 192 193 194 /* 195 * Resources that are managed using ioctls. 196 */ 197 enum vmw_res_type { 198 vmw_res_context, 199 vmw_res_surface, 200 vmw_res_stream, 201 vmw_res_shader, 202 vmw_res_dx_context, 203 vmw_res_cotable, 204 vmw_res_view, 205 vmw_res_max 206 }; 207 208 /* 209 * Resources that are managed using command streams. 210 */ 211 enum vmw_cmdbuf_res_type { 212 vmw_cmdbuf_res_shader, 213 vmw_cmdbuf_res_view 214 }; 215 216 struct vmw_cmdbuf_res_manager; 217 218 struct vmw_cursor_snooper { 219 size_t age; 220 uint32_t *image; 221 }; 222 223 struct vmw_framebuffer; 224 struct vmw_surface_offset; 225 226 struct vmw_surface { 227 struct vmw_resource res; 228 SVGA3dSurfaceAllFlags flags; 229 uint32_t format; 230 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 231 struct drm_vmw_size base_size; 232 struct drm_vmw_size *sizes; 233 uint32_t num_sizes; 234 bool scanout; 235 uint32_t array_size; 236 /* TODO so far just a extra pointer */ 237 struct vmw_cursor_snooper snooper; 238 struct vmw_surface_offset *offsets; 239 SVGA3dTextureFilter autogen_filter; 240 uint32_t multisample_count; 241 struct list_head view_list; 242 SVGA3dMSPattern multisample_pattern; 243 SVGA3dMSQualityLevel quality_level; 244 }; 245 246 struct vmw_marker_queue { 247 struct list_head head; 248 u64 lag; 249 u64 lag_time; 250 spinlock_t lock; 251 }; 252 253 struct vmw_fifo_state { 254 unsigned long reserved_size; 255 u32 *dynamic_buffer; 256 u32 *static_buffer; 257 unsigned long static_buffer_size; 258 bool using_bounce_buffer; 259 uint32_t capabilities; 260 struct mutex fifo_mutex; 261 struct rw_semaphore rwsem; 262 struct vmw_marker_queue marker_queue; 263 bool dx; 264 }; 265 266 /** 267 * struct vmw_res_cache_entry - resource information cache entry 268 * @handle: User-space handle of a resource. 269 * @res: Non-ref-counted pointer to the resource. 270 * @valid_handle: Whether the @handle member is valid. 271 * @valid: Whether the entry is valid, which also implies that the execbuf 272 * code holds a reference to the resource, and it's placed on the 273 * validation list. 274 * 275 * Used to avoid frequent repeated user-space handle lookups of the 276 * same resource. 277 */ 278 struct vmw_res_cache_entry { 279 uint32_t handle; 280 struct vmw_resource *res; 281 void *private; 282 unsigned short valid_handle; 283 unsigned short valid; 284 }; 285 286 /** 287 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 288 */ 289 enum vmw_dma_map_mode { 290 vmw_dma_phys, /* Use physical page addresses */ 291 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 292 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 293 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 294 vmw_dma_map_max 295 }; 296 297 /** 298 * struct vmw_sg_table - Scatter/gather table for binding, with additional 299 * device-specific information. 300 * 301 * @sgt: Pointer to a struct sg_table with binding information 302 * @num_regions: Number of regions with device-address contiguous pages 303 */ 304 struct vmw_sg_table { 305 enum vmw_dma_map_mode mode; 306 struct page **pages; 307 const dma_addr_t *addrs; 308 struct sg_table *sgt; 309 unsigned long num_regions; 310 unsigned long num_pages; 311 }; 312 313 /** 314 * struct vmw_piter - Page iterator that iterates over a list of pages 315 * and DMA addresses that could be either a scatter-gather list or 316 * arrays 317 * 318 * @pages: Array of page pointers to the pages. 319 * @addrs: DMA addresses to the pages if coherent pages are used. 320 * @iter: Scatter-gather page iterator. Current position in SG list. 321 * @i: Current position in arrays. 322 * @num_pages: Number of pages total. 323 * @next: Function to advance the iterator. Returns false if past the list 324 * of pages, true otherwise. 325 * @dma_address: Function to return the DMA address of the current page. 326 */ 327 struct vmw_piter { 328 struct page **pages; 329 const dma_addr_t *addrs; 330 struct sg_dma_page_iter iter; 331 unsigned long i; 332 unsigned long num_pages; 333 bool (*next)(struct vmw_piter *); 334 dma_addr_t (*dma_address)(struct vmw_piter *); 335 struct page *(*page)(struct vmw_piter *); 336 }; 337 338 /* 339 * enum vmw_display_unit_type - Describes the display unit 340 */ 341 enum vmw_display_unit_type { 342 vmw_du_invalid = 0, 343 vmw_du_legacy, 344 vmw_du_screen_object, 345 vmw_du_screen_target 346 }; 347 348 struct vmw_validation_context; 349 struct vmw_ctx_validation_info; 350 351 /** 352 * struct vmw_sw_context - Command submission context 353 * @res_ht: Pointer hash table used to find validation duplicates 354 * @kernel: Whether the command buffer originates from kernel code rather 355 * than from user-space 356 * @fp: If @kernel is false, points to the file of the client. Otherwise 357 * NULL 358 * @cmd_bounce: Command bounce buffer used for command validation before 359 * copying to fifo space 360 * @cmd_bounce_size: Current command bounce buffer size 361 * @cur_query_bo: Current buffer object used as query result buffer 362 * @bo_relocations: List of buffer object relocations 363 * @res_relocations: List of resource relocations 364 * @buf_start: Pointer to start of memory where command validation takes 365 * place 366 * @res_cache: Cache of recently looked up resources 367 * @last_query_ctx: Last context that submitted a query 368 * @needs_post_query_barrier: Whether a query barrier is needed after 369 * command submission 370 * @staged_bindings: Cached per-context binding tracker 371 * @staged_bindings_inuse: Whether the cached per-context binding tracker 372 * is in use 373 * @staged_cmd_res: List of staged command buffer managed resources in this 374 * command buffer 375 * @ctx_list: List of context resources referenced in this command buffer 376 * @dx_ctx_node: Validation metadata of the current DX context 377 * @dx_query_mob: The MOB used for DX queries 378 * @dx_query_ctx: The DX context used for the last DX query 379 * @man: Pointer to the command buffer managed resource manager 380 * @ctx: The validation context 381 */ 382 struct vmw_sw_context{ 383 struct drm_open_hash res_ht; 384 bool res_ht_initialized; 385 bool kernel; 386 struct vmw_fpriv *fp; 387 uint32_t *cmd_bounce; 388 uint32_t cmd_bounce_size; 389 struct vmw_buffer_object *cur_query_bo; 390 struct list_head bo_relocations; 391 struct list_head res_relocations; 392 uint32_t *buf_start; 393 struct vmw_res_cache_entry res_cache[vmw_res_max]; 394 struct vmw_resource *last_query_ctx; 395 bool needs_post_query_barrier; 396 struct vmw_ctx_binding_state *staged_bindings; 397 bool staged_bindings_inuse; 398 struct list_head staged_cmd_res; 399 struct list_head ctx_list; 400 struct vmw_ctx_validation_info *dx_ctx_node; 401 struct vmw_buffer_object *dx_query_mob; 402 struct vmw_resource *dx_query_ctx; 403 struct vmw_cmdbuf_res_manager *man; 404 struct vmw_validation_context *ctx; 405 }; 406 407 struct vmw_legacy_display; 408 struct vmw_overlay; 409 410 struct vmw_vga_topology_state { 411 uint32_t width; 412 uint32_t height; 413 uint32_t primary; 414 uint32_t pos_x; 415 uint32_t pos_y; 416 }; 417 418 419 /* 420 * struct vmw_otable - Guest Memory OBject table metadata 421 * 422 * @size: Size of the table (page-aligned). 423 * @page_table: Pointer to a struct vmw_mob holding the page table. 424 */ 425 struct vmw_otable { 426 unsigned long size; 427 struct vmw_mob *page_table; 428 bool enabled; 429 }; 430 431 struct vmw_otable_batch { 432 unsigned num_otables; 433 struct vmw_otable *otables; 434 struct vmw_resource *context; 435 struct ttm_buffer_object *otable_bo; 436 }; 437 438 enum { 439 VMW_IRQTHREAD_FENCE, 440 VMW_IRQTHREAD_CMDBUF, 441 VMW_IRQTHREAD_MAX 442 }; 443 444 struct vmw_private { 445 struct ttm_bo_device bdev; 446 447 struct vmw_fifo_state fifo; 448 449 struct drm_device *dev; 450 struct drm_vma_offset_manager vma_manager; 451 unsigned long vmw_chipset; 452 unsigned int io_start; 453 uint32_t vram_start; 454 uint32_t vram_size; 455 uint32_t prim_bb_mem; 456 uint32_t mmio_start; 457 uint32_t mmio_size; 458 uint32_t fb_max_width; 459 uint32_t fb_max_height; 460 uint32_t texture_max_width; 461 uint32_t texture_max_height; 462 uint32_t stdu_max_width; 463 uint32_t stdu_max_height; 464 uint32_t initial_width; 465 uint32_t initial_height; 466 u32 *mmio_virt; 467 uint32_t capabilities; 468 uint32_t capabilities2; 469 uint32_t max_gmr_ids; 470 uint32_t max_gmr_pages; 471 uint32_t max_mob_pages; 472 uint32_t max_mob_size; 473 uint32_t memory_size; 474 bool has_gmr; 475 bool has_mob; 476 spinlock_t hw_lock; 477 spinlock_t cap_lock; 478 bool has_dx; 479 bool assume_16bpp; 480 bool has_sm4_1; 481 482 /* 483 * VGA registers. 484 */ 485 486 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 487 uint32_t vga_width; 488 uint32_t vga_height; 489 uint32_t vga_bpp; 490 uint32_t vga_bpl; 491 uint32_t vga_pitchlock; 492 493 uint32_t num_displays; 494 495 /* 496 * Framebuffer info. 497 */ 498 499 void *fb_info; 500 enum vmw_display_unit_type active_display_unit; 501 struct vmw_legacy_display *ldu_priv; 502 struct vmw_overlay *overlay_priv; 503 struct drm_property *hotplug_mode_update_property; 504 struct drm_property *implicit_placement_property; 505 struct mutex global_kms_state_mutex; 506 spinlock_t cursor_lock; 507 struct drm_atomic_state *suspend_state; 508 509 /* 510 * Context and surface management. 511 */ 512 513 spinlock_t resource_lock; 514 struct idr res_idr[vmw_res_max]; 515 516 /* 517 * A resource manager for kernel-only surfaces and 518 * contexts. 519 */ 520 521 struct ttm_object_device *tdev; 522 523 /* 524 * Fencing and IRQs. 525 */ 526 527 atomic_t marker_seq; 528 wait_queue_head_t fence_queue; 529 wait_queue_head_t fifo_queue; 530 spinlock_t waiter_lock; 531 int fence_queue_waiters; /* Protected by waiter_lock */ 532 int goal_queue_waiters; /* Protected by waiter_lock */ 533 int cmdbuf_waiters; /* Protected by waiter_lock */ 534 int error_waiters; /* Protected by waiter_lock */ 535 int fifo_queue_waiters; /* Protected by waiter_lock */ 536 uint32_t last_read_seqno; 537 struct vmw_fence_manager *fman; 538 uint32_t irq_mask; /* Updates protected by waiter_lock */ 539 540 /* 541 * Device state 542 */ 543 544 uint32_t traces_state; 545 uint32_t enable_state; 546 uint32_t config_done_state; 547 548 /** 549 * Execbuf 550 */ 551 /** 552 * Protected by the cmdbuf mutex. 553 */ 554 555 struct vmw_sw_context ctx; 556 struct mutex cmdbuf_mutex; 557 struct mutex binding_mutex; 558 559 /** 560 * Operating mode. 561 */ 562 563 bool stealth; 564 bool enable_fb; 565 spinlock_t svga_lock; 566 567 /** 568 * PM management. 569 */ 570 struct notifier_block pm_nb; 571 bool refuse_hibernation; 572 bool suspend_locked; 573 574 struct mutex release_mutex; 575 atomic_t num_fifo_resources; 576 577 /* 578 * Replace this with an rwsem as soon as we have down_xx_interruptible() 579 */ 580 struct ttm_lock reservation_sem; 581 582 /* 583 * Query processing. These members 584 * are protected by the cmdbuf mutex. 585 */ 586 587 struct vmw_buffer_object *dummy_query_bo; 588 struct vmw_buffer_object *pinned_bo; 589 uint32_t query_cid; 590 uint32_t query_cid_valid; 591 bool dummy_query_bo_pinned; 592 593 /* 594 * Surface swapping. The "surface_lru" list is protected by the 595 * resource lock in order to be able to destroy a surface and take 596 * it off the lru atomically. "used_memory_size" is currently 597 * protected by the cmdbuf mutex for simplicity. 598 */ 599 600 struct list_head res_lru[vmw_res_max]; 601 uint32_t used_memory_size; 602 603 /* 604 * DMA mapping stuff. 605 */ 606 enum vmw_dma_map_mode map_mode; 607 608 /* 609 * Guest Backed stuff 610 */ 611 struct vmw_otable_batch otable_batch; 612 613 struct vmw_cmdbuf_man *cman; 614 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 615 616 /* Validation memory reservation */ 617 struct vmw_validation_mem vvm; 618 }; 619 620 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 621 { 622 return container_of(res, struct vmw_surface, res); 623 } 624 625 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 626 { 627 return (struct vmw_private *)dev->dev_private; 628 } 629 630 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 631 { 632 return (struct vmw_fpriv *)file_priv->driver_priv; 633 } 634 635 /* 636 * The locking here is fine-grained, so that it is performed once 637 * for every read- and write operation. This is of course costly, but we 638 * don't perform much register access in the timing critical paths anyway. 639 * Instead we have the extra benefit of being sure that we don't forget 640 * the hw lock around register accesses. 641 */ 642 static inline void vmw_write(struct vmw_private *dev_priv, 643 unsigned int offset, uint32_t value) 644 { 645 spin_lock(&dev_priv->hw_lock); 646 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 647 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 648 spin_unlock(&dev_priv->hw_lock); 649 } 650 651 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 652 unsigned int offset) 653 { 654 u32 val; 655 656 spin_lock(&dev_priv->hw_lock); 657 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 658 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 659 spin_unlock(&dev_priv->hw_lock); 660 661 return val; 662 } 663 664 extern void vmw_svga_enable(struct vmw_private *dev_priv); 665 extern void vmw_svga_disable(struct vmw_private *dev_priv); 666 667 668 /** 669 * GMR utilities - vmwgfx_gmr.c 670 */ 671 672 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 673 const struct vmw_sg_table *vsgt, 674 unsigned long num_pages, 675 int gmr_id); 676 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 677 678 /** 679 * Resource utilities - vmwgfx_resource.c 680 */ 681 struct vmw_user_resource_conv; 682 683 extern void vmw_resource_unreference(struct vmw_resource **p_res); 684 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 685 extern struct vmw_resource * 686 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 687 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 688 bool dirtying); 689 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 690 bool no_backup); 691 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 692 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 693 struct ttm_object_file *tfile, 694 uint32_t handle, 695 struct vmw_surface **out_surf, 696 struct vmw_buffer_object **out_buf); 697 extern int vmw_user_resource_lookup_handle( 698 struct vmw_private *dev_priv, 699 struct ttm_object_file *tfile, 700 uint32_t handle, 701 const struct vmw_user_resource_conv *converter, 702 struct vmw_resource **p_res); 703 extern struct vmw_resource * 704 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 705 struct ttm_object_file *tfile, 706 uint32_t handle, 707 const struct vmw_user_resource_conv * 708 converter); 709 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 710 struct drm_file *file_priv); 711 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 712 struct drm_file *file_priv); 713 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 714 struct ttm_object_file *tfile, 715 uint32_t *inout_id, 716 struct vmw_resource **out); 717 extern void vmw_resource_unreserve(struct vmw_resource *res, 718 bool dirty_set, 719 bool dirty, 720 bool switch_backup, 721 struct vmw_buffer_object *new_backup, 722 unsigned long new_backup_offset); 723 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 724 struct ttm_mem_reg *mem); 725 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 726 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 727 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 728 void vmw_resource_mob_attach(struct vmw_resource *res); 729 void vmw_resource_mob_detach(struct vmw_resource *res); 730 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 731 pgoff_t end); 732 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 733 pgoff_t end, pgoff_t *num_prefault); 734 735 /** 736 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 737 * @res: The resource 738 * 739 * Return: true if the resource has a mob attached, false otherwise. 740 */ 741 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 742 { 743 return !RB_EMPTY_NODE(&res->mob_node); 744 } 745 746 /** 747 * vmw_user_resource_noref_release - release a user resource pointer looked up 748 * without reference 749 */ 750 static inline void vmw_user_resource_noref_release(void) 751 { 752 ttm_base_object_noref_release(); 753 } 754 755 /** 756 * Buffer object helper functions - vmwgfx_bo.c 757 */ 758 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 759 struct vmw_buffer_object *bo, 760 struct ttm_placement *placement, 761 bool interruptible); 762 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 763 struct vmw_buffer_object *buf, 764 bool interruptible); 765 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 766 struct vmw_buffer_object *buf, 767 bool interruptible); 768 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 769 struct vmw_buffer_object *bo, 770 bool interruptible); 771 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 772 struct vmw_buffer_object *bo, 773 bool interruptible); 774 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 775 SVGAGuestPtr *ptr); 776 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 777 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 778 extern int vmw_bo_init(struct vmw_private *dev_priv, 779 struct vmw_buffer_object *vmw_bo, 780 size_t size, struct ttm_placement *placement, 781 bool interuptable, 782 void (*bo_free)(struct ttm_buffer_object *bo)); 783 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 784 struct ttm_object_file *tfile); 785 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 786 struct ttm_object_file *tfile, 787 uint32_t size, 788 bool shareable, 789 uint32_t *handle, 790 struct vmw_buffer_object **p_dma_buf, 791 struct ttm_base_object **p_base); 792 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 793 struct vmw_buffer_object *dma_buf, 794 uint32_t *handle); 795 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 796 struct drm_file *file_priv); 797 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 798 struct drm_file *file_priv); 799 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 800 struct drm_file *file_priv); 801 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 802 uint32_t id, struct vmw_buffer_object **out, 803 struct ttm_base_object **base); 804 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 805 struct vmw_fence_obj *fence); 806 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 807 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 808 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 809 struct ttm_mem_reg *mem); 810 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 811 extern struct vmw_buffer_object * 812 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 813 814 /** 815 * vmw_user_bo_noref_release - release a buffer object pointer looked up 816 * without reference 817 */ 818 static inline void vmw_user_bo_noref_release(void) 819 { 820 ttm_base_object_noref_release(); 821 } 822 823 /** 824 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 825 * according to attached resources 826 * @vbo: The struct vmw_buffer_object 827 */ 828 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 829 { 830 int i = ARRAY_SIZE(vbo->res_prios); 831 832 while (i--) { 833 if (vbo->res_prios[i]) { 834 vbo->base.priority = i; 835 return; 836 } 837 } 838 839 vbo->base.priority = 3; 840 } 841 842 /** 843 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 844 * eviction priority 845 * @vbo: The struct vmw_buffer_object 846 * @prio: The resource priority 847 * 848 * After being notified, the code assigns the highest resource eviction priority 849 * to the backing buffer object (mob). 850 */ 851 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 852 { 853 if (vbo->res_prios[prio]++ == 0) 854 vmw_bo_prio_adjust(vbo); 855 } 856 857 /** 858 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 859 * priority being removed 860 * @vbo: The struct vmw_buffer_object 861 * @prio: The resource priority 862 * 863 * After being notified, the code assigns the highest resource eviction priority 864 * to the backing buffer object (mob). 865 */ 866 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 867 { 868 if (--vbo->res_prios[prio] == 0) 869 vmw_bo_prio_adjust(vbo); 870 } 871 872 /** 873 * Misc Ioctl functionality - vmwgfx_ioctl.c 874 */ 875 876 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 877 struct drm_file *file_priv); 878 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 879 struct drm_file *file_priv); 880 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 881 struct drm_file *file_priv); 882 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 883 struct drm_file *file_priv); 884 extern __poll_t vmw_fops_poll(struct file *filp, 885 struct poll_table_struct *wait); 886 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 887 size_t count, loff_t *offset); 888 889 /** 890 * Fifo utilities - vmwgfx_fifo.c 891 */ 892 893 extern int vmw_fifo_init(struct vmw_private *dev_priv, 894 struct vmw_fifo_state *fifo); 895 extern void vmw_fifo_release(struct vmw_private *dev_priv, 896 struct vmw_fifo_state *fifo); 897 extern void * 898 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 899 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 900 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 901 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 902 uint32_t *seqno); 903 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 904 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 905 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 906 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 907 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 908 uint32_t cid); 909 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 910 bool interruptible); 911 912 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 913 ({ \ 914 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 915 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 916 __func__, (unsigned int) __bytes); \ 917 NULL; \ 918 }); \ 919 }) 920 921 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 922 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 923 924 /** 925 * TTM glue - vmwgfx_ttm_glue.c 926 */ 927 928 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 929 930 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 931 size_t gran); 932 /** 933 * TTM buffer object driver - vmwgfx_ttm_buffer.c 934 */ 935 936 extern const size_t vmw_tt_size; 937 extern struct ttm_placement vmw_vram_placement; 938 extern struct ttm_placement vmw_vram_ne_placement; 939 extern struct ttm_placement vmw_vram_sys_placement; 940 extern struct ttm_placement vmw_vram_gmr_placement; 941 extern struct ttm_placement vmw_vram_gmr_ne_placement; 942 extern struct ttm_placement vmw_sys_placement; 943 extern struct ttm_placement vmw_sys_ne_placement; 944 extern struct ttm_placement vmw_evictable_placement; 945 extern struct ttm_placement vmw_srf_placement; 946 extern struct ttm_placement vmw_mob_placement; 947 extern struct ttm_placement vmw_mob_ne_placement; 948 extern struct ttm_placement vmw_nonfixed_placement; 949 extern struct ttm_bo_driver vmw_bo_driver; 950 extern int vmw_dma_quiescent(struct drm_device *dev); 951 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 952 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 953 extern const struct vmw_sg_table * 954 vmw_bo_sg_table(struct ttm_buffer_object *bo); 955 extern void vmw_piter_start(struct vmw_piter *viter, 956 const struct vmw_sg_table *vsgt, 957 unsigned long p_offs); 958 959 /** 960 * vmw_piter_next - Advance the iterator one page. 961 * 962 * @viter: Pointer to the iterator to advance. 963 * 964 * Returns false if past the list of pages, true otherwise. 965 */ 966 static inline bool vmw_piter_next(struct vmw_piter *viter) 967 { 968 return viter->next(viter); 969 } 970 971 /** 972 * vmw_piter_dma_addr - Return the DMA address of the current page. 973 * 974 * @viter: Pointer to the iterator 975 * 976 * Returns the DMA address of the page pointed to by @viter. 977 */ 978 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 979 { 980 return viter->dma_address(viter); 981 } 982 983 /** 984 * vmw_piter_page - Return a pointer to the current page. 985 * 986 * @viter: Pointer to the iterator 987 * 988 * Returns the DMA address of the page pointed to by @viter. 989 */ 990 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 991 { 992 return viter->page(viter); 993 } 994 995 /** 996 * Command submission - vmwgfx_execbuf.c 997 */ 998 999 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1000 struct drm_file *file_priv); 1001 extern int vmw_execbuf_process(struct drm_file *file_priv, 1002 struct vmw_private *dev_priv, 1003 void __user *user_commands, 1004 void *kernel_commands, 1005 uint32_t command_size, 1006 uint64_t throttle_us, 1007 uint32_t dx_context_handle, 1008 struct drm_vmw_fence_rep __user 1009 *user_fence_rep, 1010 struct vmw_fence_obj **out_fence, 1011 uint32_t flags); 1012 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1013 struct vmw_fence_obj *fence); 1014 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1015 1016 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1017 struct vmw_private *dev_priv, 1018 struct vmw_fence_obj **p_fence, 1019 uint32_t *p_handle); 1020 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1021 struct vmw_fpriv *vmw_fp, 1022 int ret, 1023 struct drm_vmw_fence_rep __user 1024 *user_fence_rep, 1025 struct vmw_fence_obj *fence, 1026 uint32_t fence_handle, 1027 int32_t out_fence_fd, 1028 struct sync_file *sync_file); 1029 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1030 1031 /** 1032 * IRQs and wating - vmwgfx_irq.c 1033 */ 1034 1035 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1036 uint32_t seqno, bool interruptible, 1037 unsigned long timeout); 1038 extern int vmw_irq_install(struct drm_device *dev, int irq); 1039 extern void vmw_irq_uninstall(struct drm_device *dev); 1040 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1041 uint32_t seqno); 1042 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1043 bool lazy, 1044 bool fifo_idle, 1045 uint32_t seqno, 1046 bool interruptible, 1047 unsigned long timeout); 1048 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1049 struct vmw_fifo_state *fifo_state); 1050 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1051 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1052 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1053 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1054 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1055 int *waiter_count); 1056 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1057 u32 flag, int *waiter_count); 1058 1059 /** 1060 * Rudimentary fence-like objects currently used only for throttling - 1061 * vmwgfx_marker.c 1062 */ 1063 1064 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1065 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1066 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1067 uint32_t seqno); 1068 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1069 uint32_t signaled_seqno); 1070 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1071 struct vmw_marker_queue *queue, uint32_t us); 1072 1073 /** 1074 * Kernel framebuffer - vmwgfx_fb.c 1075 */ 1076 1077 int vmw_fb_init(struct vmw_private *vmw_priv); 1078 int vmw_fb_close(struct vmw_private *dev_priv); 1079 int vmw_fb_off(struct vmw_private *vmw_priv); 1080 int vmw_fb_on(struct vmw_private *vmw_priv); 1081 1082 /** 1083 * Kernel modesetting - vmwgfx_kms.c 1084 */ 1085 1086 int vmw_kms_init(struct vmw_private *dev_priv); 1087 int vmw_kms_close(struct vmw_private *dev_priv); 1088 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 1089 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 1090 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1091 struct drm_file *file_priv); 1092 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1093 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1094 struct ttm_object_file *tfile, 1095 struct ttm_buffer_object *bo, 1096 SVGA3dCmdHeader *header); 1097 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1098 unsigned width, unsigned height, unsigned pitch, 1099 unsigned bpp, unsigned depth); 1100 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1101 uint32_t pitch, 1102 uint32_t height); 1103 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1104 int vmw_enable_vblank(struct drm_crtc *crtc); 1105 void vmw_disable_vblank(struct drm_crtc *crtc); 1106 int vmw_kms_present(struct vmw_private *dev_priv, 1107 struct drm_file *file_priv, 1108 struct vmw_framebuffer *vfb, 1109 struct vmw_surface *surface, 1110 uint32_t sid, int32_t destX, int32_t destY, 1111 struct drm_vmw_rect *clips, 1112 uint32_t num_clips); 1113 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1114 struct drm_file *file_priv); 1115 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1116 int vmw_kms_suspend(struct drm_device *dev); 1117 int vmw_kms_resume(struct drm_device *dev); 1118 void vmw_kms_lost_device(struct drm_device *dev); 1119 1120 int vmw_dumb_create(struct drm_file *file_priv, 1121 struct drm_device *dev, 1122 struct drm_mode_create_dumb *args); 1123 1124 int vmw_dumb_map_offset(struct drm_file *file_priv, 1125 struct drm_device *dev, uint32_t handle, 1126 uint64_t *offset); 1127 int vmw_dumb_destroy(struct drm_file *file_priv, 1128 struct drm_device *dev, 1129 uint32_t handle); 1130 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1131 extern void vmw_resource_unpin(struct vmw_resource *res); 1132 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1133 1134 /** 1135 * Overlay control - vmwgfx_overlay.c 1136 */ 1137 1138 int vmw_overlay_init(struct vmw_private *dev_priv); 1139 int vmw_overlay_close(struct vmw_private *dev_priv); 1140 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1141 struct drm_file *file_priv); 1142 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 1143 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1144 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1145 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1146 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1147 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1148 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1149 1150 /** 1151 * GMR Id manager 1152 */ 1153 1154 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1155 1156 /** 1157 * Prime - vmwgfx_prime.c 1158 */ 1159 1160 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1161 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1162 struct drm_file *file_priv, 1163 int fd, u32 *handle); 1164 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1165 struct drm_file *file_priv, 1166 uint32_t handle, uint32_t flags, 1167 int *prime_fd); 1168 1169 /* 1170 * MemoryOBject management - vmwgfx_mob.c 1171 */ 1172 struct vmw_mob; 1173 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1174 const struct vmw_sg_table *vsgt, 1175 unsigned long num_data_pages, int32_t mob_id); 1176 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1177 struct vmw_mob *mob); 1178 extern void vmw_mob_destroy(struct vmw_mob *mob); 1179 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1180 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1181 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1182 1183 /* 1184 * Context management - vmwgfx_context.c 1185 */ 1186 1187 extern const struct vmw_user_resource_conv *user_context_converter; 1188 1189 extern int vmw_context_check(struct vmw_private *dev_priv, 1190 struct ttm_object_file *tfile, 1191 int id, 1192 struct vmw_resource **p_res); 1193 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1194 struct drm_file *file_priv); 1195 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1196 struct drm_file *file_priv); 1197 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1198 struct drm_file *file_priv); 1199 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1200 extern struct vmw_cmdbuf_res_manager * 1201 vmw_context_res_man(struct vmw_resource *ctx); 1202 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1203 SVGACOTableType cotable_type); 1204 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1205 struct vmw_ctx_binding_state; 1206 extern struct vmw_ctx_binding_state * 1207 vmw_context_binding_state(struct vmw_resource *ctx); 1208 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1209 bool readback); 1210 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1211 struct vmw_buffer_object *mob); 1212 extern struct vmw_buffer_object * 1213 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1214 1215 1216 /* 1217 * Surface management - vmwgfx_surface.c 1218 */ 1219 1220 extern const struct vmw_user_resource_conv *user_surface_converter; 1221 1222 extern void vmw_surface_res_free(struct vmw_resource *res); 1223 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1224 struct drm_file *file_priv); 1225 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1226 struct drm_file *file_priv); 1227 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1228 struct drm_file *file_priv); 1229 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1230 struct drm_file *file_priv); 1231 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1232 struct drm_file *file_priv); 1233 extern int vmw_surface_check(struct vmw_private *dev_priv, 1234 struct ttm_object_file *tfile, 1235 uint32_t handle, int *id); 1236 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1237 struct vmw_surface *srf); 1238 int vmw_surface_gb_priv_define(struct drm_device *dev, 1239 uint32_t user_accounting_size, 1240 SVGA3dSurfaceAllFlags svga3d_flags, 1241 SVGA3dSurfaceFormat format, 1242 bool for_scanout, 1243 uint32_t num_mip_levels, 1244 uint32_t multisample_count, 1245 uint32_t array_size, 1246 struct drm_vmw_size size, 1247 SVGA3dMSPattern multisample_pattern, 1248 SVGA3dMSQualityLevel quality_level, 1249 struct vmw_surface **srf_out); 1250 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1251 void *data, 1252 struct drm_file *file_priv); 1253 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1254 void *data, 1255 struct drm_file *file_priv); 1256 1257 /* 1258 * Shader management - vmwgfx_shader.c 1259 */ 1260 1261 extern const struct vmw_user_resource_conv *user_shader_converter; 1262 1263 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1264 struct drm_file *file_priv); 1265 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1266 struct drm_file *file_priv); 1267 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1268 struct vmw_cmdbuf_res_manager *man, 1269 u32 user_key, const void *bytecode, 1270 SVGA3dShaderType shader_type, 1271 size_t size, 1272 struct list_head *list); 1273 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1274 u32 user_key, SVGA3dShaderType shader_type, 1275 struct list_head *list); 1276 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1277 struct vmw_resource *ctx, 1278 u32 user_key, 1279 SVGA3dShaderType shader_type, 1280 struct list_head *list); 1281 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1282 struct list_head *list, 1283 bool readback); 1284 1285 extern struct vmw_resource * 1286 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1287 u32 user_key, SVGA3dShaderType shader_type); 1288 1289 /* 1290 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1291 */ 1292 1293 extern struct vmw_cmdbuf_res_manager * 1294 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1295 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1296 extern size_t vmw_cmdbuf_res_man_size(void); 1297 extern struct vmw_resource * 1298 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1299 enum vmw_cmdbuf_res_type res_type, 1300 u32 user_key); 1301 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1302 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1303 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1304 enum vmw_cmdbuf_res_type res_type, 1305 u32 user_key, 1306 struct vmw_resource *res, 1307 struct list_head *list); 1308 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1309 enum vmw_cmdbuf_res_type res_type, 1310 u32 user_key, 1311 struct list_head *list, 1312 struct vmw_resource **res); 1313 1314 /* 1315 * COTable management - vmwgfx_cotable.c 1316 */ 1317 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1318 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1319 struct vmw_resource *ctx, 1320 u32 type); 1321 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1322 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1323 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1324 struct list_head *head); 1325 1326 /* 1327 * Command buffer managerment vmwgfx_cmdbuf.c 1328 */ 1329 struct vmw_cmdbuf_man; 1330 struct vmw_cmdbuf_header; 1331 1332 extern struct vmw_cmdbuf_man * 1333 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1334 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1335 size_t size, size_t default_size); 1336 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1337 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1338 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1339 unsigned long timeout); 1340 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1341 int ctx_id, bool interruptible, 1342 struct vmw_cmdbuf_header *header); 1343 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1344 struct vmw_cmdbuf_header *header, 1345 bool flush); 1346 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1347 size_t size, bool interruptible, 1348 struct vmw_cmdbuf_header **p_header); 1349 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1350 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1351 bool interruptible); 1352 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1353 1354 /* CPU blit utilities - vmwgfx_blit.c */ 1355 1356 /** 1357 * struct vmw_diff_cpy - CPU blit information structure 1358 * 1359 * @rect: The output bounding box rectangle. 1360 * @line: The current line of the blit. 1361 * @line_offset: Offset of the current line segment. 1362 * @cpp: Bytes per pixel (granularity information). 1363 * @memcpy: Which memcpy function to use. 1364 */ 1365 struct vmw_diff_cpy { 1366 struct drm_rect rect; 1367 size_t line; 1368 size_t line_offset; 1369 int cpp; 1370 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1371 size_t n); 1372 }; 1373 1374 #define VMW_CPU_BLIT_INITIALIZER { \ 1375 .do_cpy = vmw_memcpy, \ 1376 } 1377 1378 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1379 .line = 0, \ 1380 .line_offset = 0, \ 1381 .rect = { .x1 = INT_MAX/2, \ 1382 .y1 = INT_MAX/2, \ 1383 .x2 = INT_MIN/2, \ 1384 .y2 = INT_MIN/2 \ 1385 }, \ 1386 .cpp = _cpp, \ 1387 .do_cpy = vmw_diff_memcpy, \ 1388 } 1389 1390 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1391 size_t n); 1392 1393 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1394 1395 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1396 u32 dst_offset, u32 dst_stride, 1397 struct ttm_buffer_object *src, 1398 u32 src_offset, u32 src_stride, 1399 u32 w, u32 h, 1400 struct vmw_diff_cpy *diff); 1401 1402 /* Host messaging -vmwgfx_msg.c: */ 1403 int vmw_host_get_guestinfo(const char *guest_info_param, 1404 char *buffer, size_t *length); 1405 int vmw_host_log(const char *log); 1406 1407 /* VMW logging */ 1408 1409 /** 1410 * VMW_DEBUG_USER - Debug output for user-space debugging. 1411 * 1412 * @fmt: printf() like format string. 1413 * 1414 * This macro is for logging user-space error and debugging messages for e.g. 1415 * command buffer execution errors due to malformed commands, invalid context, 1416 * etc. 1417 */ 1418 #define VMW_DEBUG_USER(fmt, ...) \ 1419 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1420 1421 /* Resource dirtying - vmwgfx_page_dirty.c */ 1422 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1423 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1424 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1425 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1426 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1427 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1428 pgoff_t start, pgoff_t end); 1429 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1430 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1431 1432 /** 1433 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1434 * 1435 * This macro is for debugging vmwgfx mode-setting code. 1436 */ 1437 #define VMW_DEBUG_KMS(fmt, ...) \ 1438 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1439 1440 /** 1441 * Inline helper functions 1442 */ 1443 1444 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1445 { 1446 struct vmw_surface *tmp_srf = *srf; 1447 struct vmw_resource *res = &tmp_srf->res; 1448 *srf = NULL; 1449 1450 vmw_resource_unreference(&res); 1451 } 1452 1453 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1454 { 1455 (void) vmw_resource_reference(&srf->res); 1456 return srf; 1457 } 1458 1459 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1460 { 1461 struct vmw_buffer_object *tmp_buf = *buf; 1462 1463 *buf = NULL; 1464 if (tmp_buf != NULL) { 1465 ttm_bo_put(&tmp_buf->base); 1466 } 1467 } 1468 1469 static inline struct vmw_buffer_object * 1470 vmw_bo_reference(struct vmw_buffer_object *buf) 1471 { 1472 ttm_bo_get(&buf->base); 1473 return buf; 1474 } 1475 1476 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1477 { 1478 return &ttm_mem_glob; 1479 } 1480 1481 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1482 { 1483 atomic_inc(&dev_priv->num_fifo_resources); 1484 } 1485 1486 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1487 { 1488 atomic_dec(&dev_priv->num_fifo_resources); 1489 } 1490 1491 /** 1492 * vmw_mmio_read - Perform a MMIO read from volatile memory 1493 * 1494 * @addr: The address to read from 1495 * 1496 * This function is intended to be equivalent to ioread32() on 1497 * memremap'd memory, but without byteswapping. 1498 */ 1499 static inline u32 vmw_mmio_read(u32 *addr) 1500 { 1501 return READ_ONCE(*addr); 1502 } 1503 1504 /** 1505 * vmw_mmio_write - Perform a MMIO write to volatile memory 1506 * 1507 * @addr: The address to write to 1508 * 1509 * This function is intended to be equivalent to iowrite32 on 1510 * memremap'd memory, but without byteswapping. 1511 */ 1512 static inline void vmw_mmio_write(u32 value, u32 *addr) 1513 { 1514 WRITE_ONCE(*addr, value); 1515 } 1516 #endif 1517