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 "20200114" 60 #define VMWGFX_DRIVER_MAJOR 2 61 #define VMWGFX_DRIVER_MINOR 17 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 * Framebuffer info. 484 */ 485 486 void *fb_info; 487 enum vmw_display_unit_type active_display_unit; 488 struct vmw_legacy_display *ldu_priv; 489 struct vmw_overlay *overlay_priv; 490 struct drm_property *hotplug_mode_update_property; 491 struct drm_property *implicit_placement_property; 492 struct mutex global_kms_state_mutex; 493 spinlock_t cursor_lock; 494 struct drm_atomic_state *suspend_state; 495 496 /* 497 * Context and surface management. 498 */ 499 500 spinlock_t resource_lock; 501 struct idr res_idr[vmw_res_max]; 502 503 /* 504 * A resource manager for kernel-only surfaces and 505 * contexts. 506 */ 507 508 struct ttm_object_device *tdev; 509 510 /* 511 * Fencing and IRQs. 512 */ 513 514 atomic_t marker_seq; 515 wait_queue_head_t fence_queue; 516 wait_queue_head_t fifo_queue; 517 spinlock_t waiter_lock; 518 int fence_queue_waiters; /* Protected by waiter_lock */ 519 int goal_queue_waiters; /* Protected by waiter_lock */ 520 int cmdbuf_waiters; /* Protected by waiter_lock */ 521 int error_waiters; /* Protected by waiter_lock */ 522 int fifo_queue_waiters; /* Protected by waiter_lock */ 523 uint32_t last_read_seqno; 524 struct vmw_fence_manager *fman; 525 uint32_t irq_mask; /* Updates protected by waiter_lock */ 526 527 /* 528 * Device state 529 */ 530 531 uint32_t traces_state; 532 uint32_t enable_state; 533 uint32_t config_done_state; 534 535 /** 536 * Execbuf 537 */ 538 /** 539 * Protected by the cmdbuf mutex. 540 */ 541 542 struct vmw_sw_context ctx; 543 struct mutex cmdbuf_mutex; 544 struct mutex binding_mutex; 545 546 /** 547 * Operating mode. 548 */ 549 550 bool stealth; 551 bool enable_fb; 552 spinlock_t svga_lock; 553 554 /** 555 * PM management. 556 */ 557 struct notifier_block pm_nb; 558 bool refuse_hibernation; 559 bool suspend_locked; 560 561 struct mutex release_mutex; 562 atomic_t num_fifo_resources; 563 564 /* 565 * Replace this with an rwsem as soon as we have down_xx_interruptible() 566 */ 567 struct ttm_lock reservation_sem; 568 569 /* 570 * Query processing. These members 571 * are protected by the cmdbuf mutex. 572 */ 573 574 struct vmw_buffer_object *dummy_query_bo; 575 struct vmw_buffer_object *pinned_bo; 576 uint32_t query_cid; 577 uint32_t query_cid_valid; 578 bool dummy_query_bo_pinned; 579 580 /* 581 * Surface swapping. The "surface_lru" list is protected by the 582 * resource lock in order to be able to destroy a surface and take 583 * it off the lru atomically. "used_memory_size" is currently 584 * protected by the cmdbuf mutex for simplicity. 585 */ 586 587 struct list_head res_lru[vmw_res_max]; 588 uint32_t used_memory_size; 589 590 /* 591 * DMA mapping stuff. 592 */ 593 enum vmw_dma_map_mode map_mode; 594 595 /* 596 * Guest Backed stuff 597 */ 598 struct vmw_otable_batch otable_batch; 599 600 struct vmw_cmdbuf_man *cman; 601 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 602 603 /* Validation memory reservation */ 604 struct vmw_validation_mem vvm; 605 }; 606 607 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 608 { 609 return container_of(res, struct vmw_surface, res); 610 } 611 612 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 613 { 614 return (struct vmw_private *)dev->dev_private; 615 } 616 617 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 618 { 619 return (struct vmw_fpriv *)file_priv->driver_priv; 620 } 621 622 /* 623 * The locking here is fine-grained, so that it is performed once 624 * for every read- and write operation. This is of course costly, but we 625 * don't perform much register access in the timing critical paths anyway. 626 * Instead we have the extra benefit of being sure that we don't forget 627 * the hw lock around register accesses. 628 */ 629 static inline void vmw_write(struct vmw_private *dev_priv, 630 unsigned int offset, uint32_t value) 631 { 632 spin_lock(&dev_priv->hw_lock); 633 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 634 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 635 spin_unlock(&dev_priv->hw_lock); 636 } 637 638 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 639 unsigned int offset) 640 { 641 u32 val; 642 643 spin_lock(&dev_priv->hw_lock); 644 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 645 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 646 spin_unlock(&dev_priv->hw_lock); 647 648 return val; 649 } 650 651 extern void vmw_svga_enable(struct vmw_private *dev_priv); 652 extern void vmw_svga_disable(struct vmw_private *dev_priv); 653 654 655 /** 656 * GMR utilities - vmwgfx_gmr.c 657 */ 658 659 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 660 const struct vmw_sg_table *vsgt, 661 unsigned long num_pages, 662 int gmr_id); 663 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 664 665 /** 666 * Resource utilities - vmwgfx_resource.c 667 */ 668 struct vmw_user_resource_conv; 669 670 extern void vmw_resource_unreference(struct vmw_resource **p_res); 671 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 672 extern struct vmw_resource * 673 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 674 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 675 bool dirtying); 676 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 677 bool no_backup); 678 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 679 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 680 struct ttm_object_file *tfile, 681 uint32_t handle, 682 struct vmw_surface **out_surf, 683 struct vmw_buffer_object **out_buf); 684 extern int vmw_user_resource_lookup_handle( 685 struct vmw_private *dev_priv, 686 struct ttm_object_file *tfile, 687 uint32_t handle, 688 const struct vmw_user_resource_conv *converter, 689 struct vmw_resource **p_res); 690 extern struct vmw_resource * 691 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 692 struct ttm_object_file *tfile, 693 uint32_t handle, 694 const struct vmw_user_resource_conv * 695 converter); 696 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 697 struct drm_file *file_priv); 698 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 699 struct drm_file *file_priv); 700 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 701 struct ttm_object_file *tfile, 702 uint32_t *inout_id, 703 struct vmw_resource **out); 704 extern void vmw_resource_unreserve(struct vmw_resource *res, 705 bool dirty_set, 706 bool dirty, 707 bool switch_backup, 708 struct vmw_buffer_object *new_backup, 709 unsigned long new_backup_offset); 710 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 711 struct ttm_mem_reg *mem); 712 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 713 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 714 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 715 void vmw_resource_mob_attach(struct vmw_resource *res); 716 void vmw_resource_mob_detach(struct vmw_resource *res); 717 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 718 pgoff_t end); 719 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 720 pgoff_t end, pgoff_t *num_prefault); 721 722 /** 723 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 724 * @res: The resource 725 * 726 * Return: true if the resource has a mob attached, false otherwise. 727 */ 728 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 729 { 730 return !RB_EMPTY_NODE(&res->mob_node); 731 } 732 733 /** 734 * vmw_user_resource_noref_release - release a user resource pointer looked up 735 * without reference 736 */ 737 static inline void vmw_user_resource_noref_release(void) 738 { 739 ttm_base_object_noref_release(); 740 } 741 742 /** 743 * Buffer object helper functions - vmwgfx_bo.c 744 */ 745 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 746 struct vmw_buffer_object *bo, 747 struct ttm_placement *placement, 748 bool interruptible); 749 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 750 struct vmw_buffer_object *buf, 751 bool interruptible); 752 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 753 struct vmw_buffer_object *buf, 754 bool interruptible); 755 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 756 struct vmw_buffer_object *bo, 757 bool interruptible); 758 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 759 struct vmw_buffer_object *bo, 760 bool interruptible); 761 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 762 SVGAGuestPtr *ptr); 763 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 764 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 765 extern int vmw_bo_init(struct vmw_private *dev_priv, 766 struct vmw_buffer_object *vmw_bo, 767 size_t size, struct ttm_placement *placement, 768 bool interuptable, 769 void (*bo_free)(struct ttm_buffer_object *bo)); 770 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 771 struct ttm_object_file *tfile); 772 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 773 struct ttm_object_file *tfile, 774 uint32_t size, 775 bool shareable, 776 uint32_t *handle, 777 struct vmw_buffer_object **p_dma_buf, 778 struct ttm_base_object **p_base); 779 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 780 struct vmw_buffer_object *dma_buf, 781 uint32_t *handle); 782 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 783 struct drm_file *file_priv); 784 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 785 struct drm_file *file_priv); 786 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 787 struct drm_file *file_priv); 788 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 789 uint32_t id, struct vmw_buffer_object **out, 790 struct ttm_base_object **base); 791 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 792 struct vmw_fence_obj *fence); 793 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 794 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 795 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 796 struct ttm_mem_reg *mem); 797 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 798 extern struct vmw_buffer_object * 799 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 800 801 /** 802 * vmw_user_bo_noref_release - release a buffer object pointer looked up 803 * without reference 804 */ 805 static inline void vmw_user_bo_noref_release(void) 806 { 807 ttm_base_object_noref_release(); 808 } 809 810 /** 811 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 812 * according to attached resources 813 * @vbo: The struct vmw_buffer_object 814 */ 815 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 816 { 817 int i = ARRAY_SIZE(vbo->res_prios); 818 819 while (i--) { 820 if (vbo->res_prios[i]) { 821 vbo->base.priority = i; 822 return; 823 } 824 } 825 826 vbo->base.priority = 3; 827 } 828 829 /** 830 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 831 * eviction priority 832 * @vbo: The struct vmw_buffer_object 833 * @prio: The resource priority 834 * 835 * After being notified, the code assigns the highest resource eviction priority 836 * to the backing buffer object (mob). 837 */ 838 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 839 { 840 if (vbo->res_prios[prio]++ == 0) 841 vmw_bo_prio_adjust(vbo); 842 } 843 844 /** 845 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 846 * priority being removed 847 * @vbo: The struct vmw_buffer_object 848 * @prio: The resource priority 849 * 850 * After being notified, the code assigns the highest resource eviction priority 851 * to the backing buffer object (mob). 852 */ 853 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 854 { 855 if (--vbo->res_prios[prio] == 0) 856 vmw_bo_prio_adjust(vbo); 857 } 858 859 /** 860 * Misc Ioctl functionality - vmwgfx_ioctl.c 861 */ 862 863 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 864 struct drm_file *file_priv); 865 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871 extern __poll_t vmw_fops_poll(struct file *filp, 872 struct poll_table_struct *wait); 873 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 874 size_t count, loff_t *offset); 875 876 /** 877 * Fifo utilities - vmwgfx_fifo.c 878 */ 879 880 extern int vmw_fifo_init(struct vmw_private *dev_priv, 881 struct vmw_fifo_state *fifo); 882 extern void vmw_fifo_release(struct vmw_private *dev_priv, 883 struct vmw_fifo_state *fifo); 884 extern void * 885 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 886 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 887 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 888 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 889 uint32_t *seqno); 890 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 891 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 892 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 893 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 894 uint32_t cid); 895 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 896 bool interruptible); 897 898 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 899 ({ \ 900 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 901 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 902 __func__, (unsigned int) __bytes); \ 903 NULL; \ 904 }); \ 905 }) 906 907 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 908 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 909 910 /** 911 * TTM glue - vmwgfx_ttm_glue.c 912 */ 913 914 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 915 916 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 917 size_t gran); 918 /** 919 * TTM buffer object driver - vmwgfx_ttm_buffer.c 920 */ 921 922 extern const size_t vmw_tt_size; 923 extern struct ttm_placement vmw_vram_placement; 924 extern struct ttm_placement vmw_vram_ne_placement; 925 extern struct ttm_placement vmw_vram_sys_placement; 926 extern struct ttm_placement vmw_vram_gmr_placement; 927 extern struct ttm_placement vmw_vram_gmr_ne_placement; 928 extern struct ttm_placement vmw_sys_placement; 929 extern struct ttm_placement vmw_sys_ne_placement; 930 extern struct ttm_placement vmw_evictable_placement; 931 extern struct ttm_placement vmw_srf_placement; 932 extern struct ttm_placement vmw_mob_placement; 933 extern struct ttm_placement vmw_mob_ne_placement; 934 extern struct ttm_placement vmw_nonfixed_placement; 935 extern struct ttm_bo_driver vmw_bo_driver; 936 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 937 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 938 extern const struct vmw_sg_table * 939 vmw_bo_sg_table(struct ttm_buffer_object *bo); 940 extern void vmw_piter_start(struct vmw_piter *viter, 941 const struct vmw_sg_table *vsgt, 942 unsigned long p_offs); 943 944 /** 945 * vmw_piter_next - Advance the iterator one page. 946 * 947 * @viter: Pointer to the iterator to advance. 948 * 949 * Returns false if past the list of pages, true otherwise. 950 */ 951 static inline bool vmw_piter_next(struct vmw_piter *viter) 952 { 953 return viter->next(viter); 954 } 955 956 /** 957 * vmw_piter_dma_addr - Return the DMA address of the current page. 958 * 959 * @viter: Pointer to the iterator 960 * 961 * Returns the DMA address of the page pointed to by @viter. 962 */ 963 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 964 { 965 return viter->dma_address(viter); 966 } 967 968 /** 969 * vmw_piter_page - Return a pointer to the current page. 970 * 971 * @viter: Pointer to the iterator 972 * 973 * Returns the DMA address of the page pointed to by @viter. 974 */ 975 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 976 { 977 return viter->page(viter); 978 } 979 980 /** 981 * Command submission - vmwgfx_execbuf.c 982 */ 983 984 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 985 struct drm_file *file_priv); 986 extern int vmw_execbuf_process(struct drm_file *file_priv, 987 struct vmw_private *dev_priv, 988 void __user *user_commands, 989 void *kernel_commands, 990 uint32_t command_size, 991 uint64_t throttle_us, 992 uint32_t dx_context_handle, 993 struct drm_vmw_fence_rep __user 994 *user_fence_rep, 995 struct vmw_fence_obj **out_fence, 996 uint32_t flags); 997 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 998 struct vmw_fence_obj *fence); 999 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1000 1001 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1002 struct vmw_private *dev_priv, 1003 struct vmw_fence_obj **p_fence, 1004 uint32_t *p_handle); 1005 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1006 struct vmw_fpriv *vmw_fp, 1007 int ret, 1008 struct drm_vmw_fence_rep __user 1009 *user_fence_rep, 1010 struct vmw_fence_obj *fence, 1011 uint32_t fence_handle, 1012 int32_t out_fence_fd, 1013 struct sync_file *sync_file); 1014 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1015 1016 /** 1017 * IRQs and wating - vmwgfx_irq.c 1018 */ 1019 1020 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1021 uint32_t seqno, bool interruptible, 1022 unsigned long timeout); 1023 extern int vmw_irq_install(struct drm_device *dev, int irq); 1024 extern void vmw_irq_uninstall(struct drm_device *dev); 1025 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1026 uint32_t seqno); 1027 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1028 bool lazy, 1029 bool fifo_idle, 1030 uint32_t seqno, 1031 bool interruptible, 1032 unsigned long timeout); 1033 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1034 struct vmw_fifo_state *fifo_state); 1035 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1036 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1037 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1038 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1039 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1040 int *waiter_count); 1041 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1042 u32 flag, int *waiter_count); 1043 1044 /** 1045 * Rudimentary fence-like objects currently used only for throttling - 1046 * vmwgfx_marker.c 1047 */ 1048 1049 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1050 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1051 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1052 uint32_t seqno); 1053 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1054 uint32_t signaled_seqno); 1055 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1056 struct vmw_marker_queue *queue, uint32_t us); 1057 1058 /** 1059 * Kernel framebuffer - vmwgfx_fb.c 1060 */ 1061 1062 int vmw_fb_init(struct vmw_private *vmw_priv); 1063 int vmw_fb_close(struct vmw_private *dev_priv); 1064 int vmw_fb_off(struct vmw_private *vmw_priv); 1065 int vmw_fb_on(struct vmw_private *vmw_priv); 1066 1067 /** 1068 * Kernel modesetting - vmwgfx_kms.c 1069 */ 1070 1071 int vmw_kms_init(struct vmw_private *dev_priv); 1072 int vmw_kms_close(struct vmw_private *dev_priv); 1073 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1074 struct drm_file *file_priv); 1075 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1076 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1077 struct ttm_object_file *tfile, 1078 struct ttm_buffer_object *bo, 1079 SVGA3dCmdHeader *header); 1080 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1081 unsigned width, unsigned height, unsigned pitch, 1082 unsigned bpp, unsigned depth); 1083 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1084 uint32_t pitch, 1085 uint32_t height); 1086 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1087 int vmw_enable_vblank(struct drm_crtc *crtc); 1088 void vmw_disable_vblank(struct drm_crtc *crtc); 1089 int vmw_kms_present(struct vmw_private *dev_priv, 1090 struct drm_file *file_priv, 1091 struct vmw_framebuffer *vfb, 1092 struct vmw_surface *surface, 1093 uint32_t sid, int32_t destX, int32_t destY, 1094 struct drm_vmw_rect *clips, 1095 uint32_t num_clips); 1096 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1097 struct drm_file *file_priv); 1098 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1099 int vmw_kms_suspend(struct drm_device *dev); 1100 int vmw_kms_resume(struct drm_device *dev); 1101 void vmw_kms_lost_device(struct drm_device *dev); 1102 1103 int vmw_dumb_create(struct drm_file *file_priv, 1104 struct drm_device *dev, 1105 struct drm_mode_create_dumb *args); 1106 1107 int vmw_dumb_map_offset(struct drm_file *file_priv, 1108 struct drm_device *dev, uint32_t handle, 1109 uint64_t *offset); 1110 int vmw_dumb_destroy(struct drm_file *file_priv, 1111 struct drm_device *dev, 1112 uint32_t handle); 1113 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1114 extern void vmw_resource_unpin(struct vmw_resource *res); 1115 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1116 1117 /** 1118 * Overlay control - vmwgfx_overlay.c 1119 */ 1120 1121 int vmw_overlay_init(struct vmw_private *dev_priv); 1122 int vmw_overlay_close(struct vmw_private *dev_priv); 1123 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1124 struct drm_file *file_priv); 1125 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1126 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1127 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1128 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1129 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1130 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1131 1132 /** 1133 * GMR Id manager 1134 */ 1135 1136 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1137 1138 /** 1139 * Prime - vmwgfx_prime.c 1140 */ 1141 1142 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1143 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1144 struct drm_file *file_priv, 1145 int fd, u32 *handle); 1146 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1147 struct drm_file *file_priv, 1148 uint32_t handle, uint32_t flags, 1149 int *prime_fd); 1150 1151 /* 1152 * MemoryOBject management - vmwgfx_mob.c 1153 */ 1154 struct vmw_mob; 1155 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1156 const struct vmw_sg_table *vsgt, 1157 unsigned long num_data_pages, int32_t mob_id); 1158 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1159 struct vmw_mob *mob); 1160 extern void vmw_mob_destroy(struct vmw_mob *mob); 1161 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1162 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1163 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1164 1165 /* 1166 * Context management - vmwgfx_context.c 1167 */ 1168 1169 extern const struct vmw_user_resource_conv *user_context_converter; 1170 1171 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1172 struct drm_file *file_priv); 1173 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1174 struct drm_file *file_priv); 1175 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1176 struct drm_file *file_priv); 1177 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1178 extern struct vmw_cmdbuf_res_manager * 1179 vmw_context_res_man(struct vmw_resource *ctx); 1180 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1181 SVGACOTableType cotable_type); 1182 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1183 struct vmw_ctx_binding_state; 1184 extern struct vmw_ctx_binding_state * 1185 vmw_context_binding_state(struct vmw_resource *ctx); 1186 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1187 bool readback); 1188 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1189 struct vmw_buffer_object *mob); 1190 extern struct vmw_buffer_object * 1191 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1192 1193 1194 /* 1195 * Surface management - vmwgfx_surface.c 1196 */ 1197 1198 extern const struct vmw_user_resource_conv *user_surface_converter; 1199 1200 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1201 struct drm_file *file_priv); 1202 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1203 struct drm_file *file_priv); 1204 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1205 struct drm_file *file_priv); 1206 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210 int vmw_surface_gb_priv_define(struct drm_device *dev, 1211 uint32_t user_accounting_size, 1212 SVGA3dSurfaceAllFlags svga3d_flags, 1213 SVGA3dSurfaceFormat format, 1214 bool for_scanout, 1215 uint32_t num_mip_levels, 1216 uint32_t multisample_count, 1217 uint32_t array_size, 1218 struct drm_vmw_size size, 1219 SVGA3dMSPattern multisample_pattern, 1220 SVGA3dMSQualityLevel quality_level, 1221 struct vmw_surface **srf_out); 1222 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1223 void *data, 1224 struct drm_file *file_priv); 1225 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1226 void *data, 1227 struct drm_file *file_priv); 1228 1229 /* 1230 * Shader management - vmwgfx_shader.c 1231 */ 1232 1233 extern const struct vmw_user_resource_conv *user_shader_converter; 1234 1235 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1236 struct drm_file *file_priv); 1237 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1238 struct drm_file *file_priv); 1239 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1240 struct vmw_cmdbuf_res_manager *man, 1241 u32 user_key, const void *bytecode, 1242 SVGA3dShaderType shader_type, 1243 size_t size, 1244 struct list_head *list); 1245 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1246 u32 user_key, SVGA3dShaderType shader_type, 1247 struct list_head *list); 1248 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1249 struct vmw_resource *ctx, 1250 u32 user_key, 1251 SVGA3dShaderType shader_type, 1252 struct list_head *list); 1253 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1254 struct list_head *list, 1255 bool readback); 1256 1257 extern struct vmw_resource * 1258 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1259 u32 user_key, SVGA3dShaderType shader_type); 1260 1261 /* 1262 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1263 */ 1264 1265 extern struct vmw_cmdbuf_res_manager * 1266 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1267 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1268 extern size_t vmw_cmdbuf_res_man_size(void); 1269 extern struct vmw_resource * 1270 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1271 enum vmw_cmdbuf_res_type res_type, 1272 u32 user_key); 1273 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1274 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1275 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1276 enum vmw_cmdbuf_res_type res_type, 1277 u32 user_key, 1278 struct vmw_resource *res, 1279 struct list_head *list); 1280 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1281 enum vmw_cmdbuf_res_type res_type, 1282 u32 user_key, 1283 struct list_head *list, 1284 struct vmw_resource **res); 1285 1286 /* 1287 * COTable management - vmwgfx_cotable.c 1288 */ 1289 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1290 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1291 struct vmw_resource *ctx, 1292 u32 type); 1293 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1294 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1295 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1296 struct list_head *head); 1297 1298 /* 1299 * Command buffer managerment vmwgfx_cmdbuf.c 1300 */ 1301 struct vmw_cmdbuf_man; 1302 struct vmw_cmdbuf_header; 1303 1304 extern struct vmw_cmdbuf_man * 1305 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1306 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1307 size_t size, size_t default_size); 1308 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1309 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1310 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1311 unsigned long timeout); 1312 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1313 int ctx_id, bool interruptible, 1314 struct vmw_cmdbuf_header *header); 1315 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1316 struct vmw_cmdbuf_header *header, 1317 bool flush); 1318 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1319 size_t size, bool interruptible, 1320 struct vmw_cmdbuf_header **p_header); 1321 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1322 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1323 bool interruptible); 1324 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1325 1326 /* CPU blit utilities - vmwgfx_blit.c */ 1327 1328 /** 1329 * struct vmw_diff_cpy - CPU blit information structure 1330 * 1331 * @rect: The output bounding box rectangle. 1332 * @line: The current line of the blit. 1333 * @line_offset: Offset of the current line segment. 1334 * @cpp: Bytes per pixel (granularity information). 1335 * @memcpy: Which memcpy function to use. 1336 */ 1337 struct vmw_diff_cpy { 1338 struct drm_rect rect; 1339 size_t line; 1340 size_t line_offset; 1341 int cpp; 1342 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1343 size_t n); 1344 }; 1345 1346 #define VMW_CPU_BLIT_INITIALIZER { \ 1347 .do_cpy = vmw_memcpy, \ 1348 } 1349 1350 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1351 .line = 0, \ 1352 .line_offset = 0, \ 1353 .rect = { .x1 = INT_MAX/2, \ 1354 .y1 = INT_MAX/2, \ 1355 .x2 = INT_MIN/2, \ 1356 .y2 = INT_MIN/2 \ 1357 }, \ 1358 .cpp = _cpp, \ 1359 .do_cpy = vmw_diff_memcpy, \ 1360 } 1361 1362 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1363 size_t n); 1364 1365 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1366 1367 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1368 u32 dst_offset, u32 dst_stride, 1369 struct ttm_buffer_object *src, 1370 u32 src_offset, u32 src_stride, 1371 u32 w, u32 h, 1372 struct vmw_diff_cpy *diff); 1373 1374 /* Host messaging -vmwgfx_msg.c: */ 1375 int vmw_host_get_guestinfo(const char *guest_info_param, 1376 char *buffer, size_t *length); 1377 int vmw_host_log(const char *log); 1378 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1379 struct drm_file *file_priv); 1380 1381 /* VMW logging */ 1382 1383 /** 1384 * VMW_DEBUG_USER - Debug output for user-space debugging. 1385 * 1386 * @fmt: printf() like format string. 1387 * 1388 * This macro is for logging user-space error and debugging messages for e.g. 1389 * command buffer execution errors due to malformed commands, invalid context, 1390 * etc. 1391 */ 1392 #define VMW_DEBUG_USER(fmt, ...) \ 1393 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1394 1395 /* Resource dirtying - vmwgfx_page_dirty.c */ 1396 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1397 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1398 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1399 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1400 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1401 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1402 pgoff_t start, pgoff_t end); 1403 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1404 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1405 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1406 vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf, 1407 enum page_entry_size pe_size); 1408 #endif 1409 1410 /** 1411 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1412 * 1413 * This macro is for debugging vmwgfx mode-setting code. 1414 */ 1415 #define VMW_DEBUG_KMS(fmt, ...) \ 1416 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1417 1418 /** 1419 * Inline helper functions 1420 */ 1421 1422 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1423 { 1424 struct vmw_surface *tmp_srf = *srf; 1425 struct vmw_resource *res = &tmp_srf->res; 1426 *srf = NULL; 1427 1428 vmw_resource_unreference(&res); 1429 } 1430 1431 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1432 { 1433 (void) vmw_resource_reference(&srf->res); 1434 return srf; 1435 } 1436 1437 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1438 { 1439 struct vmw_buffer_object *tmp_buf = *buf; 1440 1441 *buf = NULL; 1442 if (tmp_buf != NULL) { 1443 ttm_bo_put(&tmp_buf->base); 1444 } 1445 } 1446 1447 static inline struct vmw_buffer_object * 1448 vmw_bo_reference(struct vmw_buffer_object *buf) 1449 { 1450 ttm_bo_get(&buf->base); 1451 return buf; 1452 } 1453 1454 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1455 { 1456 return &ttm_mem_glob; 1457 } 1458 1459 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1460 { 1461 atomic_inc(&dev_priv->num_fifo_resources); 1462 } 1463 1464 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1465 { 1466 atomic_dec(&dev_priv->num_fifo_resources); 1467 } 1468 1469 /** 1470 * vmw_mmio_read - Perform a MMIO read from volatile memory 1471 * 1472 * @addr: The address to read from 1473 * 1474 * This function is intended to be equivalent to ioread32() on 1475 * memremap'd memory, but without byteswapping. 1476 */ 1477 static inline u32 vmw_mmio_read(u32 *addr) 1478 { 1479 return READ_ONCE(*addr); 1480 } 1481 1482 /** 1483 * vmw_mmio_write - Perform a MMIO write to volatile memory 1484 * 1485 * @addr: The address to write to 1486 * 1487 * This function is intended to be equivalent to iowrite32 on 1488 * memremap'd memory, but without byteswapping. 1489 */ 1490 static inline void vmw_mmio_write(u32 value, u32 *addr) 1491 { 1492 WRITE_ONCE(*addr, value); 1493 } 1494 #endif 1495