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 "20180704" 60 #define VMWGFX_DRIVER_MAJOR 2 61 #define VMWGFX_DRIVER_MINOR 15 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_list: List 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 */ 111 struct vmw_buffer_object { 112 struct ttm_buffer_object base; 113 struct list_head res_list; 114 s32 pin_count; 115 atomic_t cpu_writers; 116 /* Not ref-counted. Protected by binding_mutex */ 117 struct vmw_resource *dx_query_ctx; 118 /* Protected by reservation */ 119 struct ttm_bo_kmap_obj map; 120 u32 res_prios[TTM_MAX_BO_PRIORITY]; 121 }; 122 123 /** 124 * struct vmw_validate_buffer - Carries validation info about buffers. 125 * 126 * @base: Validation info for TTM. 127 * @hash: Hash entry for quick lookup of the TTM buffer object. 128 * 129 * This structure contains also driver private validation info 130 * on top of the info needed by TTM. 131 */ 132 struct vmw_validate_buffer { 133 struct ttm_validate_buffer base; 134 struct drm_hash_item hash; 135 bool validate_as_mob; 136 }; 137 138 struct vmw_res_func; 139 140 141 /** 142 * struct vmw-resource - base class for hardware resources 143 * 144 * @kref: For refcounting. 145 * @dev_priv: Pointer to the device private for this resource. Immutable. 146 * @id: Device id. Protected by @dev_priv::resource_lock. 147 * @backup_size: Backup buffer size. Immutable. 148 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 149 * by resource reserved. 150 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 151 * Protecte by resource reserved. 152 * @backup: The backup buffer if any. Protected by resource reserved. 153 * @backup_offset: Offset into the backup buffer if any. Protected by resource 154 * reserved. Note that only a few resource types can have a @backup_offset 155 * different from zero. 156 * @pin_count: The pin count for this resource. A pinned resource has a 157 * pin-count greater than zero. It is not on the resource LRU lists and its 158 * backup buffer is pinned. Hence it can't be evicted. 159 * @func: Method vtable for this resource. Immutable. 160 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 161 * @mob_head: List head for the MOB backup list. Protected by @backup reserved. 162 * @binding_head: List head for the context binding list. Protected by 163 * the @dev_priv::binding_mutex 164 * @res_free: The resource destructor. 165 * @hw_destroy: Callback to destroy the resource on the device, as part of 166 * resource destruction. 167 */ 168 struct vmw_resource { 169 struct kref kref; 170 struct vmw_private *dev_priv; 171 int id; 172 u32 used_prio; 173 unsigned long backup_size; 174 bool res_dirty; 175 bool backup_dirty; 176 struct vmw_buffer_object *backup; 177 unsigned long backup_offset; 178 unsigned long pin_count; 179 const struct vmw_res_func *func; 180 struct list_head lru_head; 181 struct list_head mob_head; 182 struct list_head binding_head; 183 void (*res_free) (struct vmw_resource *res); 184 void (*hw_destroy) (struct vmw_resource *res); 185 }; 186 187 188 /* 189 * Resources that are managed using ioctls. 190 */ 191 enum vmw_res_type { 192 vmw_res_context, 193 vmw_res_surface, 194 vmw_res_stream, 195 vmw_res_shader, 196 vmw_res_dx_context, 197 vmw_res_cotable, 198 vmw_res_view, 199 vmw_res_max 200 }; 201 202 /* 203 * Resources that are managed using command streams. 204 */ 205 enum vmw_cmdbuf_res_type { 206 vmw_cmdbuf_res_shader, 207 vmw_cmdbuf_res_view 208 }; 209 210 struct vmw_cmdbuf_res_manager; 211 212 struct vmw_cursor_snooper { 213 size_t age; 214 uint32_t *image; 215 }; 216 217 struct vmw_framebuffer; 218 struct vmw_surface_offset; 219 220 struct vmw_surface { 221 struct vmw_resource res; 222 SVGA3dSurfaceAllFlags flags; 223 uint32_t format; 224 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 225 struct drm_vmw_size base_size; 226 struct drm_vmw_size *sizes; 227 uint32_t num_sizes; 228 bool scanout; 229 uint32_t array_size; 230 /* TODO so far just a extra pointer */ 231 struct vmw_cursor_snooper snooper; 232 struct vmw_surface_offset *offsets; 233 SVGA3dTextureFilter autogen_filter; 234 uint32_t multisample_count; 235 struct list_head view_list; 236 SVGA3dMSPattern multisample_pattern; 237 SVGA3dMSQualityLevel quality_level; 238 }; 239 240 struct vmw_marker_queue { 241 struct list_head head; 242 u64 lag; 243 u64 lag_time; 244 spinlock_t lock; 245 }; 246 247 struct vmw_fifo_state { 248 unsigned long reserved_size; 249 u32 *dynamic_buffer; 250 u32 *static_buffer; 251 unsigned long static_buffer_size; 252 bool using_bounce_buffer; 253 uint32_t capabilities; 254 struct mutex fifo_mutex; 255 struct rw_semaphore rwsem; 256 struct vmw_marker_queue marker_queue; 257 bool dx; 258 }; 259 260 /** 261 * struct vmw_res_cache_entry - resource information cache entry 262 * @handle: User-space handle of a resource. 263 * @res: Non-ref-counted pointer to the resource. 264 * @valid_handle: Whether the @handle member is valid. 265 * @valid: Whether the entry is valid, which also implies that the execbuf 266 * code holds a reference to the resource, and it's placed on the 267 * validation list. 268 * 269 * Used to avoid frequent repeated user-space handle lookups of the 270 * same resource. 271 */ 272 struct vmw_res_cache_entry { 273 uint32_t handle; 274 struct vmw_resource *res; 275 void *private; 276 unsigned short valid_handle; 277 unsigned short valid; 278 }; 279 280 /** 281 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 282 */ 283 enum vmw_dma_map_mode { 284 vmw_dma_phys, /* Use physical page addresses */ 285 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 286 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 287 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 288 vmw_dma_map_max 289 }; 290 291 /** 292 * struct vmw_sg_table - Scatter/gather table for binding, with additional 293 * device-specific information. 294 * 295 * @sgt: Pointer to a struct sg_table with binding information 296 * @num_regions: Number of regions with device-address contiguous pages 297 */ 298 struct vmw_sg_table { 299 enum vmw_dma_map_mode mode; 300 struct page **pages; 301 const dma_addr_t *addrs; 302 struct sg_table *sgt; 303 unsigned long num_regions; 304 unsigned long num_pages; 305 }; 306 307 /** 308 * struct vmw_piter - Page iterator that iterates over a list of pages 309 * and DMA addresses that could be either a scatter-gather list or 310 * arrays 311 * 312 * @pages: Array of page pointers to the pages. 313 * @addrs: DMA addresses to the pages if coherent pages are used. 314 * @iter: Scatter-gather page iterator. Current position in SG list. 315 * @i: Current position in arrays. 316 * @num_pages: Number of pages total. 317 * @next: Function to advance the iterator. Returns false if past the list 318 * of pages, true otherwise. 319 * @dma_address: Function to return the DMA address of the current page. 320 */ 321 struct vmw_piter { 322 struct page **pages; 323 const dma_addr_t *addrs; 324 struct sg_dma_page_iter iter; 325 unsigned long i; 326 unsigned long num_pages; 327 bool (*next)(struct vmw_piter *); 328 dma_addr_t (*dma_address)(struct vmw_piter *); 329 struct page *(*page)(struct vmw_piter *); 330 }; 331 332 /* 333 * enum vmw_display_unit_type - Describes the display unit 334 */ 335 enum vmw_display_unit_type { 336 vmw_du_invalid = 0, 337 vmw_du_legacy, 338 vmw_du_screen_object, 339 vmw_du_screen_target 340 }; 341 342 struct vmw_validation_context; 343 struct vmw_ctx_validation_info; 344 345 /** 346 * struct vmw_sw_context - Command submission context 347 * @res_ht: Pointer hash table used to find validation duplicates 348 * @kernel: Whether the command buffer originates from kernel code rather 349 * than from user-space 350 * @fp: If @kernel is false, points to the file of the client. Otherwise 351 * NULL 352 * @cmd_bounce: Command bounce buffer used for command validation before 353 * copying to fifo space 354 * @cmd_bounce_size: Current command bounce buffer size 355 * @cur_query_bo: Current buffer object used as query result buffer 356 * @bo_relocations: List of buffer object relocations 357 * @res_relocations: List of resource relocations 358 * @buf_start: Pointer to start of memory where command validation takes 359 * place 360 * @res_cache: Cache of recently looked up resources 361 * @last_query_ctx: Last context that submitted a query 362 * @needs_post_query_barrier: Whether a query barrier is needed after 363 * command submission 364 * @staged_bindings: Cached per-context binding tracker 365 * @staged_bindings_inuse: Whether the cached per-context binding tracker 366 * is in use 367 * @staged_cmd_res: List of staged command buffer managed resources in this 368 * command buffer 369 * @ctx_list: List of context resources referenced in this command buffer 370 * @dx_ctx_node: Validation metadata of the current DX context 371 * @dx_query_mob: The MOB used for DX queries 372 * @dx_query_ctx: The DX context used for the last DX query 373 * @man: Pointer to the command buffer managed resource manager 374 * @ctx: The validation context 375 */ 376 struct vmw_sw_context{ 377 struct drm_open_hash res_ht; 378 bool res_ht_initialized; 379 bool kernel; 380 struct vmw_fpriv *fp; 381 uint32_t *cmd_bounce; 382 uint32_t cmd_bounce_size; 383 struct vmw_buffer_object *cur_query_bo; 384 struct list_head bo_relocations; 385 struct list_head res_relocations; 386 uint32_t *buf_start; 387 struct vmw_res_cache_entry res_cache[vmw_res_max]; 388 struct vmw_resource *last_query_ctx; 389 bool needs_post_query_barrier; 390 struct vmw_ctx_binding_state *staged_bindings; 391 bool staged_bindings_inuse; 392 struct list_head staged_cmd_res; 393 struct list_head ctx_list; 394 struct vmw_ctx_validation_info *dx_ctx_node; 395 struct vmw_buffer_object *dx_query_mob; 396 struct vmw_resource *dx_query_ctx; 397 struct vmw_cmdbuf_res_manager *man; 398 struct vmw_validation_context *ctx; 399 }; 400 401 struct vmw_legacy_display; 402 struct vmw_overlay; 403 404 struct vmw_vga_topology_state { 405 uint32_t width; 406 uint32_t height; 407 uint32_t primary; 408 uint32_t pos_x; 409 uint32_t pos_y; 410 }; 411 412 413 /* 414 * struct vmw_otable - Guest Memory OBject table metadata 415 * 416 * @size: Size of the table (page-aligned). 417 * @page_table: Pointer to a struct vmw_mob holding the page table. 418 */ 419 struct vmw_otable { 420 unsigned long size; 421 struct vmw_mob *page_table; 422 bool enabled; 423 }; 424 425 struct vmw_otable_batch { 426 unsigned num_otables; 427 struct vmw_otable *otables; 428 struct vmw_resource *context; 429 struct ttm_buffer_object *otable_bo; 430 }; 431 432 enum { 433 VMW_IRQTHREAD_FENCE, 434 VMW_IRQTHREAD_CMDBUF, 435 VMW_IRQTHREAD_MAX 436 }; 437 438 struct vmw_private { 439 struct ttm_bo_device bdev; 440 441 struct vmw_fifo_state fifo; 442 443 struct drm_device *dev; 444 struct drm_vma_offset_manager vma_manager; 445 unsigned long vmw_chipset; 446 unsigned int io_start; 447 uint32_t vram_start; 448 uint32_t vram_size; 449 uint32_t prim_bb_mem; 450 uint32_t mmio_start; 451 uint32_t mmio_size; 452 uint32_t fb_max_width; 453 uint32_t fb_max_height; 454 uint32_t texture_max_width; 455 uint32_t texture_max_height; 456 uint32_t stdu_max_width; 457 uint32_t stdu_max_height; 458 uint32_t initial_width; 459 uint32_t initial_height; 460 u32 *mmio_virt; 461 uint32_t capabilities; 462 uint32_t capabilities2; 463 uint32_t max_gmr_ids; 464 uint32_t max_gmr_pages; 465 uint32_t max_mob_pages; 466 uint32_t max_mob_size; 467 uint32_t memory_size; 468 bool has_gmr; 469 bool has_mob; 470 spinlock_t hw_lock; 471 spinlock_t cap_lock; 472 bool has_dx; 473 bool assume_16bpp; 474 bool has_sm4_1; 475 476 /* 477 * VGA registers. 478 */ 479 480 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 481 uint32_t vga_width; 482 uint32_t vga_height; 483 uint32_t vga_bpp; 484 uint32_t vga_bpl; 485 uint32_t vga_pitchlock; 486 487 uint32_t num_displays; 488 489 /* 490 * Framebuffer info. 491 */ 492 493 void *fb_info; 494 enum vmw_display_unit_type active_display_unit; 495 struct vmw_legacy_display *ldu_priv; 496 struct vmw_overlay *overlay_priv; 497 struct drm_property *hotplug_mode_update_property; 498 struct drm_property *implicit_placement_property; 499 struct mutex global_kms_state_mutex; 500 spinlock_t cursor_lock; 501 struct drm_atomic_state *suspend_state; 502 503 /* 504 * Context and surface management. 505 */ 506 507 spinlock_t resource_lock; 508 struct idr res_idr[vmw_res_max]; 509 510 /* 511 * A resource manager for kernel-only surfaces and 512 * contexts. 513 */ 514 515 struct ttm_object_device *tdev; 516 517 /* 518 * Fencing and IRQs. 519 */ 520 521 atomic_t marker_seq; 522 wait_queue_head_t fence_queue; 523 wait_queue_head_t fifo_queue; 524 spinlock_t waiter_lock; 525 int fence_queue_waiters; /* Protected by waiter_lock */ 526 int goal_queue_waiters; /* Protected by waiter_lock */ 527 int cmdbuf_waiters; /* Protected by waiter_lock */ 528 int error_waiters; /* Protected by waiter_lock */ 529 int fifo_queue_waiters; /* Protected by waiter_lock */ 530 uint32_t last_read_seqno; 531 struct vmw_fence_manager *fman; 532 uint32_t irq_mask; /* Updates protected by waiter_lock */ 533 534 /* 535 * Device state 536 */ 537 538 uint32_t traces_state; 539 uint32_t enable_state; 540 uint32_t config_done_state; 541 542 /** 543 * Execbuf 544 */ 545 /** 546 * Protected by the cmdbuf mutex. 547 */ 548 549 struct vmw_sw_context ctx; 550 struct mutex cmdbuf_mutex; 551 struct mutex binding_mutex; 552 553 /** 554 * Operating mode. 555 */ 556 557 bool stealth; 558 bool enable_fb; 559 spinlock_t svga_lock; 560 561 /** 562 * PM management. 563 */ 564 struct notifier_block pm_nb; 565 bool refuse_hibernation; 566 bool suspend_locked; 567 568 struct mutex release_mutex; 569 atomic_t num_fifo_resources; 570 571 /* 572 * Replace this with an rwsem as soon as we have down_xx_interruptible() 573 */ 574 struct ttm_lock reservation_sem; 575 576 /* 577 * Query processing. These members 578 * are protected by the cmdbuf mutex. 579 */ 580 581 struct vmw_buffer_object *dummy_query_bo; 582 struct vmw_buffer_object *pinned_bo; 583 uint32_t query_cid; 584 uint32_t query_cid_valid; 585 bool dummy_query_bo_pinned; 586 587 /* 588 * Surface swapping. The "surface_lru" list is protected by the 589 * resource lock in order to be able to destroy a surface and take 590 * it off the lru atomically. "used_memory_size" is currently 591 * protected by the cmdbuf mutex for simplicity. 592 */ 593 594 struct list_head res_lru[vmw_res_max]; 595 uint32_t used_memory_size; 596 597 /* 598 * DMA mapping stuff. 599 */ 600 enum vmw_dma_map_mode map_mode; 601 602 /* 603 * Guest Backed stuff 604 */ 605 struct vmw_otable_batch otable_batch; 606 607 struct vmw_cmdbuf_man *cman; 608 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 609 610 /* Validation memory reservation */ 611 struct vmw_validation_mem vvm; 612 }; 613 614 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 615 { 616 return container_of(res, struct vmw_surface, res); 617 } 618 619 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 620 { 621 return (struct vmw_private *)dev->dev_private; 622 } 623 624 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 625 { 626 return (struct vmw_fpriv *)file_priv->driver_priv; 627 } 628 629 /* 630 * The locking here is fine-grained, so that it is performed once 631 * for every read- and write operation. This is of course costly, but we 632 * don't perform much register access in the timing critical paths anyway. 633 * Instead we have the extra benefit of being sure that we don't forget 634 * the hw lock around register accesses. 635 */ 636 static inline void vmw_write(struct vmw_private *dev_priv, 637 unsigned int offset, uint32_t value) 638 { 639 spin_lock(&dev_priv->hw_lock); 640 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 641 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 642 spin_unlock(&dev_priv->hw_lock); 643 } 644 645 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 646 unsigned int offset) 647 { 648 u32 val; 649 650 spin_lock(&dev_priv->hw_lock); 651 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 652 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 653 spin_unlock(&dev_priv->hw_lock); 654 655 return val; 656 } 657 658 extern void vmw_svga_enable(struct vmw_private *dev_priv); 659 extern void vmw_svga_disable(struct vmw_private *dev_priv); 660 661 662 /** 663 * GMR utilities - vmwgfx_gmr.c 664 */ 665 666 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 667 const struct vmw_sg_table *vsgt, 668 unsigned long num_pages, 669 int gmr_id); 670 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 671 672 /** 673 * Resource utilities - vmwgfx_resource.c 674 */ 675 struct vmw_user_resource_conv; 676 677 extern void vmw_resource_unreference(struct vmw_resource **p_res); 678 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 679 extern struct vmw_resource * 680 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 681 extern int vmw_resource_validate(struct vmw_resource *res, bool intr); 682 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 683 bool no_backup); 684 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 685 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 686 struct ttm_object_file *tfile, 687 uint32_t handle, 688 struct vmw_surface **out_surf, 689 struct vmw_buffer_object **out_buf); 690 extern int vmw_user_resource_lookup_handle( 691 struct vmw_private *dev_priv, 692 struct ttm_object_file *tfile, 693 uint32_t handle, 694 const struct vmw_user_resource_conv *converter, 695 struct vmw_resource **p_res); 696 extern struct vmw_resource * 697 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 698 struct ttm_object_file *tfile, 699 uint32_t handle, 700 const struct vmw_user_resource_conv * 701 converter); 702 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 703 struct drm_file *file_priv); 704 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 705 struct drm_file *file_priv); 706 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 707 struct ttm_object_file *tfile, 708 uint32_t *inout_id, 709 struct vmw_resource **out); 710 extern void vmw_resource_unreserve(struct vmw_resource *res, 711 bool dirty_set, 712 bool dirty, 713 bool switch_backup, 714 struct vmw_buffer_object *new_backup, 715 unsigned long new_backup_offset); 716 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 717 struct ttm_mem_reg *mem); 718 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 719 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 720 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 721 void vmw_resource_mob_attach(struct vmw_resource *res); 722 void vmw_resource_mob_detach(struct vmw_resource *res); 723 724 /** 725 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 726 * @res: The resource 727 * 728 * Return: true if the resource has a mob attached, false otherwise. 729 */ 730 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 731 { 732 return !list_empty(&res->mob_head); 733 } 734 735 /** 736 * vmw_user_resource_noref_release - release a user resource pointer looked up 737 * without reference 738 */ 739 static inline void vmw_user_resource_noref_release(void) 740 { 741 ttm_base_object_noref_release(); 742 } 743 744 /** 745 * Buffer object helper functions - vmwgfx_bo.c 746 */ 747 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 748 struct vmw_buffer_object *bo, 749 struct ttm_placement *placement, 750 bool interruptible); 751 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 752 struct vmw_buffer_object *buf, 753 bool interruptible); 754 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 755 struct vmw_buffer_object *buf, 756 bool interruptible); 757 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 758 struct vmw_buffer_object *bo, 759 bool interruptible); 760 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 761 struct vmw_buffer_object *bo, 762 bool interruptible); 763 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 764 SVGAGuestPtr *ptr); 765 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 766 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 767 extern int vmw_bo_init(struct vmw_private *dev_priv, 768 struct vmw_buffer_object *vmw_bo, 769 size_t size, struct ttm_placement *placement, 770 bool interuptable, 771 void (*bo_free)(struct ttm_buffer_object *bo)); 772 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 773 struct ttm_object_file *tfile); 774 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 775 struct ttm_object_file *tfile, 776 uint32_t size, 777 bool shareable, 778 uint32_t *handle, 779 struct vmw_buffer_object **p_dma_buf, 780 struct ttm_base_object **p_base); 781 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 782 struct vmw_buffer_object *dma_buf, 783 uint32_t *handle); 784 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 785 struct drm_file *file_priv); 786 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 787 struct drm_file *file_priv); 788 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 789 struct drm_file *file_priv); 790 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 791 uint32_t id, struct vmw_buffer_object **out, 792 struct ttm_base_object **base); 793 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 794 struct vmw_fence_obj *fence); 795 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 796 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 797 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 798 struct ttm_mem_reg *mem); 799 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 800 extern struct vmw_buffer_object * 801 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 802 803 /** 804 * vmw_user_bo_noref_release - release a buffer object pointer looked up 805 * without reference 806 */ 807 static inline void vmw_user_bo_noref_release(void) 808 { 809 ttm_base_object_noref_release(); 810 } 811 812 /** 813 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 814 * according to attached resources 815 * @vbo: The struct vmw_buffer_object 816 */ 817 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 818 { 819 int i = ARRAY_SIZE(vbo->res_prios); 820 821 while (i--) { 822 if (vbo->res_prios[i]) { 823 vbo->base.priority = i; 824 return; 825 } 826 } 827 828 vbo->base.priority = 3; 829 } 830 831 /** 832 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 833 * eviction priority 834 * @vbo: The struct vmw_buffer_object 835 * @prio: The resource priority 836 * 837 * After being notified, the code assigns the highest resource eviction priority 838 * to the backing buffer object (mob). 839 */ 840 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 841 { 842 if (vbo->res_prios[prio]++ == 0) 843 vmw_bo_prio_adjust(vbo); 844 } 845 846 /** 847 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 848 * priority being removed 849 * @vbo: The struct vmw_buffer_object 850 * @prio: The resource priority 851 * 852 * After being notified, the code assigns the highest resource eviction priority 853 * to the backing buffer object (mob). 854 */ 855 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 856 { 857 if (--vbo->res_prios[prio] == 0) 858 vmw_bo_prio_adjust(vbo); 859 } 860 861 /** 862 * Misc Ioctl functionality - vmwgfx_ioctl.c 863 */ 864 865 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 872 struct drm_file *file_priv); 873 extern __poll_t vmw_fops_poll(struct file *filp, 874 struct poll_table_struct *wait); 875 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 876 size_t count, loff_t *offset); 877 878 /** 879 * Fifo utilities - vmwgfx_fifo.c 880 */ 881 882 extern int vmw_fifo_init(struct vmw_private *dev_priv, 883 struct vmw_fifo_state *fifo); 884 extern void vmw_fifo_release(struct vmw_private *dev_priv, 885 struct vmw_fifo_state *fifo); 886 extern void * 887 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 888 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 889 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 890 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 891 uint32_t *seqno); 892 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 893 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 894 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 895 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 896 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 897 uint32_t cid); 898 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 899 bool interruptible); 900 901 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 902 ({ \ 903 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 904 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 905 __func__, (unsigned int) __bytes); \ 906 NULL; \ 907 }); \ 908 }) 909 910 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 911 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 912 913 /** 914 * TTM glue - vmwgfx_ttm_glue.c 915 */ 916 917 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 918 919 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 920 size_t gran); 921 /** 922 * TTM buffer object driver - vmwgfx_ttm_buffer.c 923 */ 924 925 extern const size_t vmw_tt_size; 926 extern struct ttm_placement vmw_vram_placement; 927 extern struct ttm_placement vmw_vram_ne_placement; 928 extern struct ttm_placement vmw_vram_sys_placement; 929 extern struct ttm_placement vmw_vram_gmr_placement; 930 extern struct ttm_placement vmw_vram_gmr_ne_placement; 931 extern struct ttm_placement vmw_sys_placement; 932 extern struct ttm_placement vmw_sys_ne_placement; 933 extern struct ttm_placement vmw_evictable_placement; 934 extern struct ttm_placement vmw_srf_placement; 935 extern struct ttm_placement vmw_mob_placement; 936 extern struct ttm_placement vmw_mob_ne_placement; 937 extern struct ttm_placement vmw_nonfixed_placement; 938 extern struct ttm_bo_driver vmw_bo_driver; 939 extern int vmw_dma_quiescent(struct drm_device *dev); 940 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 941 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 942 extern const struct vmw_sg_table * 943 vmw_bo_sg_table(struct ttm_buffer_object *bo); 944 extern void vmw_piter_start(struct vmw_piter *viter, 945 const struct vmw_sg_table *vsgt, 946 unsigned long p_offs); 947 948 /** 949 * vmw_piter_next - Advance the iterator one page. 950 * 951 * @viter: Pointer to the iterator to advance. 952 * 953 * Returns false if past the list of pages, true otherwise. 954 */ 955 static inline bool vmw_piter_next(struct vmw_piter *viter) 956 { 957 return viter->next(viter); 958 } 959 960 /** 961 * vmw_piter_dma_addr - Return the DMA address of the current page. 962 * 963 * @viter: Pointer to the iterator 964 * 965 * Returns the DMA address of the page pointed to by @viter. 966 */ 967 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 968 { 969 return viter->dma_address(viter); 970 } 971 972 /** 973 * vmw_piter_page - Return a pointer to the current page. 974 * 975 * @viter: Pointer to the iterator 976 * 977 * Returns the DMA address of the page pointed to by @viter. 978 */ 979 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 980 { 981 return viter->page(viter); 982 } 983 984 /** 985 * Command submission - vmwgfx_execbuf.c 986 */ 987 988 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 989 struct drm_file *file_priv); 990 extern int vmw_execbuf_process(struct drm_file *file_priv, 991 struct vmw_private *dev_priv, 992 void __user *user_commands, 993 void *kernel_commands, 994 uint32_t command_size, 995 uint64_t throttle_us, 996 uint32_t dx_context_handle, 997 struct drm_vmw_fence_rep __user 998 *user_fence_rep, 999 struct vmw_fence_obj **out_fence, 1000 uint32_t flags); 1001 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1002 struct vmw_fence_obj *fence); 1003 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1004 1005 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1006 struct vmw_private *dev_priv, 1007 struct vmw_fence_obj **p_fence, 1008 uint32_t *p_handle); 1009 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1010 struct vmw_fpriv *vmw_fp, 1011 int ret, 1012 struct drm_vmw_fence_rep __user 1013 *user_fence_rep, 1014 struct vmw_fence_obj *fence, 1015 uint32_t fence_handle, 1016 int32_t out_fence_fd, 1017 struct sync_file *sync_file); 1018 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1019 1020 /** 1021 * IRQs and wating - vmwgfx_irq.c 1022 */ 1023 1024 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1025 uint32_t seqno, bool interruptible, 1026 unsigned long timeout); 1027 extern int vmw_irq_install(struct drm_device *dev, int irq); 1028 extern void vmw_irq_uninstall(struct drm_device *dev); 1029 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1030 uint32_t seqno); 1031 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1032 bool lazy, 1033 bool fifo_idle, 1034 uint32_t seqno, 1035 bool interruptible, 1036 unsigned long timeout); 1037 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1038 struct vmw_fifo_state *fifo_state); 1039 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1040 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1041 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1042 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1043 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1044 int *waiter_count); 1045 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1046 u32 flag, int *waiter_count); 1047 1048 /** 1049 * Rudimentary fence-like objects currently used only for throttling - 1050 * vmwgfx_marker.c 1051 */ 1052 1053 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1054 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1055 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1056 uint32_t seqno); 1057 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1058 uint32_t signaled_seqno); 1059 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1060 struct vmw_marker_queue *queue, uint32_t us); 1061 1062 /** 1063 * Kernel framebuffer - vmwgfx_fb.c 1064 */ 1065 1066 int vmw_fb_init(struct vmw_private *vmw_priv); 1067 int vmw_fb_close(struct vmw_private *dev_priv); 1068 int vmw_fb_off(struct vmw_private *vmw_priv); 1069 int vmw_fb_on(struct vmw_private *vmw_priv); 1070 1071 /** 1072 * Kernel modesetting - vmwgfx_kms.c 1073 */ 1074 1075 int vmw_kms_init(struct vmw_private *dev_priv); 1076 int vmw_kms_close(struct vmw_private *dev_priv); 1077 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 1078 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 1079 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1080 struct drm_file *file_priv); 1081 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1082 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1083 struct ttm_object_file *tfile, 1084 struct ttm_buffer_object *bo, 1085 SVGA3dCmdHeader *header); 1086 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1087 unsigned width, unsigned height, unsigned pitch, 1088 unsigned bpp, unsigned depth); 1089 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1090 uint32_t pitch, 1091 uint32_t height); 1092 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 1093 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe); 1094 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe); 1095 int vmw_kms_present(struct vmw_private *dev_priv, 1096 struct drm_file *file_priv, 1097 struct vmw_framebuffer *vfb, 1098 struct vmw_surface *surface, 1099 uint32_t sid, int32_t destX, int32_t destY, 1100 struct drm_vmw_rect *clips, 1101 uint32_t num_clips); 1102 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1103 struct drm_file *file_priv); 1104 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1105 int vmw_kms_suspend(struct drm_device *dev); 1106 int vmw_kms_resume(struct drm_device *dev); 1107 void vmw_kms_lost_device(struct drm_device *dev); 1108 1109 int vmw_dumb_create(struct drm_file *file_priv, 1110 struct drm_device *dev, 1111 struct drm_mode_create_dumb *args); 1112 1113 int vmw_dumb_map_offset(struct drm_file *file_priv, 1114 struct drm_device *dev, uint32_t handle, 1115 uint64_t *offset); 1116 int vmw_dumb_destroy(struct drm_file *file_priv, 1117 struct drm_device *dev, 1118 uint32_t handle); 1119 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1120 extern void vmw_resource_unpin(struct vmw_resource *res); 1121 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1122 1123 /** 1124 * Overlay control - vmwgfx_overlay.c 1125 */ 1126 1127 int vmw_overlay_init(struct vmw_private *dev_priv); 1128 int vmw_overlay_close(struct vmw_private *dev_priv); 1129 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1130 struct drm_file *file_priv); 1131 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 1132 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1133 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1134 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1135 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1136 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1137 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1138 1139 /** 1140 * GMR Id manager 1141 */ 1142 1143 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1144 1145 /** 1146 * Prime - vmwgfx_prime.c 1147 */ 1148 1149 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1150 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1151 struct drm_file *file_priv, 1152 int fd, u32 *handle); 1153 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1154 struct drm_file *file_priv, 1155 uint32_t handle, uint32_t flags, 1156 int *prime_fd); 1157 1158 /* 1159 * MemoryOBject management - vmwgfx_mob.c 1160 */ 1161 struct vmw_mob; 1162 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1163 const struct vmw_sg_table *vsgt, 1164 unsigned long num_data_pages, int32_t mob_id); 1165 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1166 struct vmw_mob *mob); 1167 extern void vmw_mob_destroy(struct vmw_mob *mob); 1168 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1169 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1170 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1171 1172 /* 1173 * Context management - vmwgfx_context.c 1174 */ 1175 1176 extern const struct vmw_user_resource_conv *user_context_converter; 1177 1178 extern int vmw_context_check(struct vmw_private *dev_priv, 1179 struct ttm_object_file *tfile, 1180 int id, 1181 struct vmw_resource **p_res); 1182 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1183 struct drm_file *file_priv); 1184 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1185 struct drm_file *file_priv); 1186 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1187 struct drm_file *file_priv); 1188 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1189 extern struct vmw_cmdbuf_res_manager * 1190 vmw_context_res_man(struct vmw_resource *ctx); 1191 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1192 SVGACOTableType cotable_type); 1193 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1194 struct vmw_ctx_binding_state; 1195 extern struct vmw_ctx_binding_state * 1196 vmw_context_binding_state(struct vmw_resource *ctx); 1197 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1198 bool readback); 1199 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1200 struct vmw_buffer_object *mob); 1201 extern struct vmw_buffer_object * 1202 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1203 1204 1205 /* 1206 * Surface management - vmwgfx_surface.c 1207 */ 1208 1209 extern const struct vmw_user_resource_conv *user_surface_converter; 1210 1211 extern void vmw_surface_res_free(struct vmw_resource *res); 1212 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1213 struct drm_file *file_priv); 1214 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1215 struct drm_file *file_priv); 1216 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1219 struct drm_file *file_priv); 1220 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1221 struct drm_file *file_priv); 1222 extern int vmw_surface_check(struct vmw_private *dev_priv, 1223 struct ttm_object_file *tfile, 1224 uint32_t handle, int *id); 1225 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1226 struct vmw_surface *srf); 1227 int vmw_surface_gb_priv_define(struct drm_device *dev, 1228 uint32_t user_accounting_size, 1229 SVGA3dSurfaceAllFlags svga3d_flags, 1230 SVGA3dSurfaceFormat format, 1231 bool for_scanout, 1232 uint32_t num_mip_levels, 1233 uint32_t multisample_count, 1234 uint32_t array_size, 1235 struct drm_vmw_size size, 1236 SVGA3dMSPattern multisample_pattern, 1237 SVGA3dMSQualityLevel quality_level, 1238 struct vmw_surface **srf_out); 1239 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1240 void *data, 1241 struct drm_file *file_priv); 1242 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1243 void *data, 1244 struct drm_file *file_priv); 1245 1246 /* 1247 * Shader management - vmwgfx_shader.c 1248 */ 1249 1250 extern const struct vmw_user_resource_conv *user_shader_converter; 1251 1252 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1253 struct drm_file *file_priv); 1254 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1255 struct drm_file *file_priv); 1256 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1257 struct vmw_cmdbuf_res_manager *man, 1258 u32 user_key, const void *bytecode, 1259 SVGA3dShaderType shader_type, 1260 size_t size, 1261 struct list_head *list); 1262 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1263 u32 user_key, SVGA3dShaderType shader_type, 1264 struct list_head *list); 1265 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1266 struct vmw_resource *ctx, 1267 u32 user_key, 1268 SVGA3dShaderType shader_type, 1269 struct list_head *list); 1270 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1271 struct list_head *list, 1272 bool readback); 1273 1274 extern struct vmw_resource * 1275 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1276 u32 user_key, SVGA3dShaderType shader_type); 1277 1278 /* 1279 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1280 */ 1281 1282 extern struct vmw_cmdbuf_res_manager * 1283 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1284 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1285 extern size_t vmw_cmdbuf_res_man_size(void); 1286 extern struct vmw_resource * 1287 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1288 enum vmw_cmdbuf_res_type res_type, 1289 u32 user_key); 1290 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1291 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1292 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1293 enum vmw_cmdbuf_res_type res_type, 1294 u32 user_key, 1295 struct vmw_resource *res, 1296 struct list_head *list); 1297 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1298 enum vmw_cmdbuf_res_type res_type, 1299 u32 user_key, 1300 struct list_head *list, 1301 struct vmw_resource **res); 1302 1303 /* 1304 * COTable management - vmwgfx_cotable.c 1305 */ 1306 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1307 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1308 struct vmw_resource *ctx, 1309 u32 type); 1310 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1311 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1312 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1313 struct list_head *head); 1314 1315 /* 1316 * Command buffer managerment vmwgfx_cmdbuf.c 1317 */ 1318 struct vmw_cmdbuf_man; 1319 struct vmw_cmdbuf_header; 1320 1321 extern struct vmw_cmdbuf_man * 1322 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1323 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1324 size_t size, size_t default_size); 1325 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1326 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1327 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1328 unsigned long timeout); 1329 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1330 int ctx_id, bool interruptible, 1331 struct vmw_cmdbuf_header *header); 1332 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1333 struct vmw_cmdbuf_header *header, 1334 bool flush); 1335 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1336 size_t size, bool interruptible, 1337 struct vmw_cmdbuf_header **p_header); 1338 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1339 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1340 bool interruptible); 1341 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1342 1343 /* CPU blit utilities - vmwgfx_blit.c */ 1344 1345 /** 1346 * struct vmw_diff_cpy - CPU blit information structure 1347 * 1348 * @rect: The output bounding box rectangle. 1349 * @line: The current line of the blit. 1350 * @line_offset: Offset of the current line segment. 1351 * @cpp: Bytes per pixel (granularity information). 1352 * @memcpy: Which memcpy function to use. 1353 */ 1354 struct vmw_diff_cpy { 1355 struct drm_rect rect; 1356 size_t line; 1357 size_t line_offset; 1358 int cpp; 1359 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1360 size_t n); 1361 }; 1362 1363 #define VMW_CPU_BLIT_INITIALIZER { \ 1364 .do_cpy = vmw_memcpy, \ 1365 } 1366 1367 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1368 .line = 0, \ 1369 .line_offset = 0, \ 1370 .rect = { .x1 = INT_MAX/2, \ 1371 .y1 = INT_MAX/2, \ 1372 .x2 = INT_MIN/2, \ 1373 .y2 = INT_MIN/2 \ 1374 }, \ 1375 .cpp = _cpp, \ 1376 .do_cpy = vmw_diff_memcpy, \ 1377 } 1378 1379 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1380 size_t n); 1381 1382 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1383 1384 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1385 u32 dst_offset, u32 dst_stride, 1386 struct ttm_buffer_object *src, 1387 u32 src_offset, u32 src_stride, 1388 u32 w, u32 h, 1389 struct vmw_diff_cpy *diff); 1390 1391 /* Host messaging -vmwgfx_msg.c: */ 1392 int vmw_host_get_guestinfo(const char *guest_info_param, 1393 char *buffer, size_t *length); 1394 int vmw_host_log(const char *log); 1395 1396 /* VMW logging */ 1397 1398 /** 1399 * VMW_DEBUG_USER - Debug output for user-space debugging. 1400 * 1401 * @fmt: printf() like format string. 1402 * 1403 * This macro is for logging user-space error and debugging messages for e.g. 1404 * command buffer execution errors due to malformed commands, invalid context, 1405 * etc. 1406 */ 1407 #define VMW_DEBUG_USER(fmt, ...) \ 1408 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 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