1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef _VMWGFX_DRV_H_ 29 #define _VMWGFX_DRV_H_ 30 31 #include "vmwgfx_validation.h" 32 #include "vmwgfx_reg.h" 33 #include <drm/drmP.h> 34 #include <drm/vmwgfx_drm.h> 35 #include <drm/drm_hashtab.h> 36 #include <drm/drm_auth.h> 37 #include <linux/suspend.h> 38 #include <drm/ttm/ttm_bo_driver.h> 39 #include <drm/ttm/ttm_execbuf_util.h> 40 #include <drm/ttm/ttm_module.h> 41 #include "vmwgfx_fence.h" 42 #include "ttm_object.h" 43 #include "ttm_lock.h" 44 #include <linux/sync_file.h> 45 46 #define VMWGFX_DRIVER_NAME "vmwgfx" 47 #define VMWGFX_DRIVER_DATE "20180704" 48 #define VMWGFX_DRIVER_MAJOR 2 49 #define VMWGFX_DRIVER_MINOR 15 50 #define VMWGFX_DRIVER_PATCHLEVEL 0 51 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 52 #define VMWGFX_MAX_RELOCATIONS 2048 53 #define VMWGFX_MAX_VALIDATIONS 2048 54 #define VMWGFX_MAX_DISPLAYS 16 55 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 56 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 57 58 /* 59 * Perhaps we should have sysfs entries for these. 60 */ 61 #define VMWGFX_NUM_GB_CONTEXT 256 62 #define VMWGFX_NUM_GB_SHADER 20000 63 #define VMWGFX_NUM_GB_SURFACE 32768 64 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 65 #define VMWGFX_NUM_DXCONTEXT 256 66 #define VMWGFX_NUM_DXQUERY 512 67 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 68 VMWGFX_NUM_GB_SHADER +\ 69 VMWGFX_NUM_GB_SURFACE +\ 70 VMWGFX_NUM_GB_SCREEN_TARGET) 71 72 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 73 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 74 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 75 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 76 77 #define VMW_RES_CONTEXT ttm_driver_type0 78 #define VMW_RES_SURFACE ttm_driver_type1 79 #define VMW_RES_STREAM ttm_driver_type2 80 #define VMW_RES_FENCE ttm_driver_type3 81 #define VMW_RES_SHADER ttm_driver_type4 82 83 struct vmw_fpriv { 84 struct drm_master *locked_master; 85 struct ttm_object_file *tfile; 86 bool gb_aware; /* user-space is guest-backed aware */ 87 }; 88 89 struct vmw_buffer_object { 90 struct ttm_buffer_object base; 91 struct list_head res_list; 92 s32 pin_count; 93 /* Not ref-counted. Protected by binding_mutex */ 94 struct vmw_resource *dx_query_ctx; 95 /* Protected by reservation */ 96 struct ttm_bo_kmap_obj map; 97 }; 98 99 /** 100 * struct vmw_validate_buffer - Carries validation info about buffers. 101 * 102 * @base: Validation info for TTM. 103 * @hash: Hash entry for quick lookup of the TTM buffer object. 104 * 105 * This structure contains also driver private validation info 106 * on top of the info needed by TTM. 107 */ 108 struct vmw_validate_buffer { 109 struct ttm_validate_buffer base; 110 struct drm_hash_item hash; 111 bool validate_as_mob; 112 }; 113 114 struct vmw_res_func; 115 116 117 /** 118 * struct vmw-resource - base class for hardware resources 119 * 120 * @kref: For refcounting. 121 * @dev_priv: Pointer to the device private for this resource. Immutable. 122 * @id: Device id. Protected by @dev_priv::resource_lock. 123 * @backup_size: Backup buffer size. Immutable. 124 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 125 * by resource reserved. 126 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 127 * Protecte by resource reserved. 128 * @backup: The backup buffer if any. Protected by resource reserved. 129 * @backup_offset: Offset into the backup buffer if any. Protected by resource 130 * reserved. Note that only a few resource types can have a @backup_offset 131 * different from zero. 132 * @pin_count: The pin count for this resource. A pinned resource has a 133 * pin-count greater than zero. It is not on the resource LRU lists and its 134 * backup buffer is pinned. Hence it can't be evicted. 135 * @func: Method vtable for this resource. Immutable. 136 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 137 * @mob_head: List head for the MOB backup list. Protected by @backup reserved. 138 * @binding_head: List head for the context binding list. Protected by 139 * the @dev_priv::binding_mutex 140 * @res_free: The resource destructor. 141 * @hw_destroy: Callback to destroy the resource on the device, as part of 142 * resource destruction. 143 */ 144 struct vmw_resource { 145 struct kref kref; 146 struct vmw_private *dev_priv; 147 int id; 148 unsigned long backup_size; 149 bool res_dirty; 150 bool backup_dirty; 151 struct vmw_buffer_object *backup; 152 unsigned long backup_offset; 153 unsigned long pin_count; 154 const struct vmw_res_func *func; 155 struct list_head lru_head; 156 struct list_head mob_head; 157 struct list_head binding_head; 158 void (*res_free) (struct vmw_resource *res); 159 void (*hw_destroy) (struct vmw_resource *res); 160 }; 161 162 163 /* 164 * Resources that are managed using ioctls. 165 */ 166 enum vmw_res_type { 167 vmw_res_context, 168 vmw_res_surface, 169 vmw_res_stream, 170 vmw_res_shader, 171 vmw_res_dx_context, 172 vmw_res_cotable, 173 vmw_res_view, 174 vmw_res_max 175 }; 176 177 /* 178 * Resources that are managed using command streams. 179 */ 180 enum vmw_cmdbuf_res_type { 181 vmw_cmdbuf_res_shader, 182 vmw_cmdbuf_res_view 183 }; 184 185 struct vmw_cmdbuf_res_manager; 186 187 struct vmw_cursor_snooper { 188 size_t age; 189 uint32_t *image; 190 }; 191 192 struct vmw_framebuffer; 193 struct vmw_surface_offset; 194 195 struct vmw_surface { 196 struct vmw_resource res; 197 SVGA3dSurfaceAllFlags flags; 198 uint32_t format; 199 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 200 struct drm_vmw_size base_size; 201 struct drm_vmw_size *sizes; 202 uint32_t num_sizes; 203 bool scanout; 204 uint32_t array_size; 205 /* TODO so far just a extra pointer */ 206 struct vmw_cursor_snooper snooper; 207 struct vmw_surface_offset *offsets; 208 SVGA3dTextureFilter autogen_filter; 209 uint32_t multisample_count; 210 struct list_head view_list; 211 SVGA3dMSPattern multisample_pattern; 212 SVGA3dMSQualityLevel quality_level; 213 }; 214 215 struct vmw_marker_queue { 216 struct list_head head; 217 u64 lag; 218 u64 lag_time; 219 spinlock_t lock; 220 }; 221 222 struct vmw_fifo_state { 223 unsigned long reserved_size; 224 u32 *dynamic_buffer; 225 u32 *static_buffer; 226 unsigned long static_buffer_size; 227 bool using_bounce_buffer; 228 uint32_t capabilities; 229 struct mutex fifo_mutex; 230 struct rw_semaphore rwsem; 231 struct vmw_marker_queue marker_queue; 232 bool dx; 233 }; 234 235 /** 236 * struct vmw_res_cache_entry - resource information cache entry 237 * @handle: User-space handle of a resource. 238 * @res: Non-ref-counted pointer to the resource. 239 * @valid_handle: Whether the @handle member is valid. 240 * @valid: Whether the entry is valid, which also implies that the execbuf 241 * code holds a reference to the resource, and it's placed on the 242 * validation list. 243 * 244 * Used to avoid frequent repeated user-space handle lookups of the 245 * same resource. 246 */ 247 struct vmw_res_cache_entry { 248 uint32_t handle; 249 struct vmw_resource *res; 250 void *private; 251 unsigned short valid_handle; 252 unsigned short valid; 253 }; 254 255 /** 256 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 257 */ 258 enum vmw_dma_map_mode { 259 vmw_dma_phys, /* Use physical page addresses */ 260 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 261 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 262 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 263 vmw_dma_map_max 264 }; 265 266 /** 267 * struct vmw_sg_table - Scatter/gather table for binding, with additional 268 * device-specific information. 269 * 270 * @sgt: Pointer to a struct sg_table with binding information 271 * @num_regions: Number of regions with device-address contiguous pages 272 */ 273 struct vmw_sg_table { 274 enum vmw_dma_map_mode mode; 275 struct page **pages; 276 const dma_addr_t *addrs; 277 struct sg_table *sgt; 278 unsigned long num_regions; 279 unsigned long num_pages; 280 }; 281 282 /** 283 * struct vmw_piter - Page iterator that iterates over a list of pages 284 * and DMA addresses that could be either a scatter-gather list or 285 * arrays 286 * 287 * @pages: Array of page pointers to the pages. 288 * @addrs: DMA addresses to the pages if coherent pages are used. 289 * @iter: Scatter-gather page iterator. Current position in SG list. 290 * @i: Current position in arrays. 291 * @num_pages: Number of pages total. 292 * @next: Function to advance the iterator. Returns false if past the list 293 * of pages, true otherwise. 294 * @dma_address: Function to return the DMA address of the current page. 295 */ 296 struct vmw_piter { 297 struct page **pages; 298 const dma_addr_t *addrs; 299 struct sg_dma_page_iter iter; 300 unsigned long i; 301 unsigned long num_pages; 302 bool (*next)(struct vmw_piter *); 303 dma_addr_t (*dma_address)(struct vmw_piter *); 304 struct page *(*page)(struct vmw_piter *); 305 }; 306 307 /* 308 * enum vmw_display_unit_type - Describes the display unit 309 */ 310 enum vmw_display_unit_type { 311 vmw_du_invalid = 0, 312 vmw_du_legacy, 313 vmw_du_screen_object, 314 vmw_du_screen_target 315 }; 316 317 struct vmw_validation_context; 318 struct vmw_ctx_validation_info; 319 320 /** 321 * struct vmw_sw_context - Command submission context 322 * @res_ht: Pointer hash table used to find validation duplicates 323 * @kernel: Whether the command buffer originates from kernel code rather 324 * than from user-space 325 * @fp: If @kernel is false, points to the file of the client. Otherwise 326 * NULL 327 * @cmd_bounce: Command bounce buffer used for command validation before 328 * copying to fifo space 329 * @cmd_bounce_size: Current command bounce buffer size 330 * @cur_query_bo: Current buffer object used as query result buffer 331 * @bo_relocations: List of buffer object relocations 332 * @res_relocations: List of resource relocations 333 * @buf_start: Pointer to start of memory where command validation takes 334 * place 335 * @res_cache: Cache of recently looked up resources 336 * @last_query_ctx: Last context that submitted a query 337 * @needs_post_query_barrier: Whether a query barrier is needed after 338 * command submission 339 * @staged_bindings: Cached per-context binding tracker 340 * @staged_bindings_inuse: Whether the cached per-context binding tracker 341 * is in use 342 * @staged_cmd_res: List of staged command buffer managed resources in this 343 * command buffer 344 * @ctx_list: List of context resources referenced in this command buffer 345 * @dx_ctx_node: Validation metadata of the current DX context 346 * @dx_query_mob: The MOB used for DX queries 347 * @dx_query_ctx: The DX context used for the last DX query 348 * @man: Pointer to the command buffer managed resource manager 349 * @ctx: The validation context 350 */ 351 struct vmw_sw_context{ 352 struct drm_open_hash res_ht; 353 bool res_ht_initialized; 354 bool kernel; 355 struct vmw_fpriv *fp; 356 uint32_t *cmd_bounce; 357 uint32_t cmd_bounce_size; 358 struct vmw_buffer_object *cur_query_bo; 359 struct list_head bo_relocations; 360 struct list_head res_relocations; 361 uint32_t *buf_start; 362 struct vmw_res_cache_entry res_cache[vmw_res_max]; 363 struct vmw_resource *last_query_ctx; 364 bool needs_post_query_barrier; 365 struct vmw_ctx_binding_state *staged_bindings; 366 bool staged_bindings_inuse; 367 struct list_head staged_cmd_res; 368 struct list_head ctx_list; 369 struct vmw_ctx_validation_info *dx_ctx_node; 370 struct vmw_buffer_object *dx_query_mob; 371 struct vmw_resource *dx_query_ctx; 372 struct vmw_cmdbuf_res_manager *man; 373 struct vmw_validation_context *ctx; 374 }; 375 376 struct vmw_legacy_display; 377 struct vmw_overlay; 378 379 struct vmw_master { 380 struct ttm_lock lock; 381 }; 382 383 struct vmw_vga_topology_state { 384 uint32_t width; 385 uint32_t height; 386 uint32_t primary; 387 uint32_t pos_x; 388 uint32_t pos_y; 389 }; 390 391 392 /* 393 * struct vmw_otable - Guest Memory OBject table metadata 394 * 395 * @size: Size of the table (page-aligned). 396 * @page_table: Pointer to a struct vmw_mob holding the page table. 397 */ 398 struct vmw_otable { 399 unsigned long size; 400 struct vmw_mob *page_table; 401 bool enabled; 402 }; 403 404 struct vmw_otable_batch { 405 unsigned num_otables; 406 struct vmw_otable *otables; 407 struct vmw_resource *context; 408 struct ttm_buffer_object *otable_bo; 409 }; 410 411 enum { 412 VMW_IRQTHREAD_FENCE, 413 VMW_IRQTHREAD_CMDBUF, 414 VMW_IRQTHREAD_MAX 415 }; 416 417 struct vmw_private { 418 struct ttm_bo_device bdev; 419 420 struct vmw_fifo_state fifo; 421 422 struct drm_device *dev; 423 unsigned long vmw_chipset; 424 unsigned int io_start; 425 uint32_t vram_start; 426 uint32_t vram_size; 427 uint32_t prim_bb_mem; 428 uint32_t mmio_start; 429 uint32_t mmio_size; 430 uint32_t fb_max_width; 431 uint32_t fb_max_height; 432 uint32_t texture_max_width; 433 uint32_t texture_max_height; 434 uint32_t stdu_max_width; 435 uint32_t stdu_max_height; 436 uint32_t initial_width; 437 uint32_t initial_height; 438 u32 *mmio_virt; 439 uint32_t capabilities; 440 uint32_t capabilities2; 441 uint32_t max_gmr_ids; 442 uint32_t max_gmr_pages; 443 uint32_t max_mob_pages; 444 uint32_t max_mob_size; 445 uint32_t memory_size; 446 bool has_gmr; 447 bool has_mob; 448 spinlock_t hw_lock; 449 spinlock_t cap_lock; 450 bool has_dx; 451 bool assume_16bpp; 452 bool has_sm4_1; 453 454 /* 455 * VGA registers. 456 */ 457 458 struct vmw_vga_topology_state vga_save[VMWGFX_MAX_DISPLAYS]; 459 uint32_t vga_width; 460 uint32_t vga_height; 461 uint32_t vga_bpp; 462 uint32_t vga_bpl; 463 uint32_t vga_pitchlock; 464 465 uint32_t num_displays; 466 467 /* 468 * Framebuffer info. 469 */ 470 471 void *fb_info; 472 enum vmw_display_unit_type active_display_unit; 473 struct vmw_legacy_display *ldu_priv; 474 struct vmw_overlay *overlay_priv; 475 struct drm_property *hotplug_mode_update_property; 476 struct drm_property *implicit_placement_property; 477 struct mutex global_kms_state_mutex; 478 spinlock_t cursor_lock; 479 struct drm_atomic_state *suspend_state; 480 481 /* 482 * Context and surface management. 483 */ 484 485 spinlock_t resource_lock; 486 struct idr res_idr[vmw_res_max]; 487 /* 488 * Block lastclose from racing with firstopen. 489 */ 490 491 struct mutex init_mutex; 492 493 /* 494 * A resource manager for kernel-only surfaces and 495 * contexts. 496 */ 497 498 struct ttm_object_device *tdev; 499 500 /* 501 * Fencing and IRQs. 502 */ 503 504 atomic_t marker_seq; 505 wait_queue_head_t fence_queue; 506 wait_queue_head_t fifo_queue; 507 spinlock_t waiter_lock; 508 int fence_queue_waiters; /* Protected by waiter_lock */ 509 int goal_queue_waiters; /* Protected by waiter_lock */ 510 int cmdbuf_waiters; /* Protected by waiter_lock */ 511 int error_waiters; /* Protected by waiter_lock */ 512 int fifo_queue_waiters; /* Protected by waiter_lock */ 513 uint32_t last_read_seqno; 514 struct vmw_fence_manager *fman; 515 uint32_t irq_mask; /* Updates protected by waiter_lock */ 516 517 /* 518 * Device state 519 */ 520 521 uint32_t traces_state; 522 uint32_t enable_state; 523 uint32_t config_done_state; 524 525 /** 526 * Execbuf 527 */ 528 /** 529 * Protected by the cmdbuf mutex. 530 */ 531 532 struct vmw_sw_context ctx; 533 struct mutex cmdbuf_mutex; 534 struct mutex binding_mutex; 535 536 /** 537 * Operating mode. 538 */ 539 540 bool stealth; 541 bool enable_fb; 542 spinlock_t svga_lock; 543 544 /** 545 * Master management. 546 */ 547 548 struct vmw_master *active_master; 549 struct vmw_master fbdev_master; 550 struct notifier_block pm_nb; 551 bool refuse_hibernation; 552 bool suspend_locked; 553 554 struct mutex release_mutex; 555 atomic_t num_fifo_resources; 556 557 /* 558 * Replace this with an rwsem as soon as we have down_xx_interruptible() 559 */ 560 struct ttm_lock reservation_sem; 561 562 /* 563 * Query processing. These members 564 * are protected by the cmdbuf mutex. 565 */ 566 567 struct vmw_buffer_object *dummy_query_bo; 568 struct vmw_buffer_object *pinned_bo; 569 uint32_t query_cid; 570 uint32_t query_cid_valid; 571 bool dummy_query_bo_pinned; 572 573 /* 574 * Surface swapping. The "surface_lru" list is protected by the 575 * resource lock in order to be able to destroy a surface and take 576 * it off the lru atomically. "used_memory_size" is currently 577 * protected by the cmdbuf mutex for simplicity. 578 */ 579 580 struct list_head res_lru[vmw_res_max]; 581 uint32_t used_memory_size; 582 583 /* 584 * DMA mapping stuff. 585 */ 586 enum vmw_dma_map_mode map_mode; 587 588 /* 589 * Guest Backed stuff 590 */ 591 struct vmw_otable_batch otable_batch; 592 593 struct vmw_cmdbuf_man *cman; 594 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 595 596 /* Validation memory reservation */ 597 struct vmw_validation_mem vvm; 598 }; 599 600 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 601 { 602 return container_of(res, struct vmw_surface, res); 603 } 604 605 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 606 { 607 return (struct vmw_private *)dev->dev_private; 608 } 609 610 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 611 { 612 return (struct vmw_fpriv *)file_priv->driver_priv; 613 } 614 615 static inline struct vmw_master *vmw_master(struct drm_master *master) 616 { 617 return (struct vmw_master *) master->driver_priv; 618 } 619 620 /* 621 * The locking here is fine-grained, so that it is performed once 622 * for every read- and write operation. This is of course costly, but we 623 * don't perform much register access in the timing critical paths anyway. 624 * Instead we have the extra benefit of being sure that we don't forget 625 * the hw lock around register accesses. 626 */ 627 static inline void vmw_write(struct vmw_private *dev_priv, 628 unsigned int offset, uint32_t value) 629 { 630 spin_lock(&dev_priv->hw_lock); 631 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 632 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 633 spin_unlock(&dev_priv->hw_lock); 634 } 635 636 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 637 unsigned int offset) 638 { 639 u32 val; 640 641 spin_lock(&dev_priv->hw_lock); 642 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 643 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 644 spin_unlock(&dev_priv->hw_lock); 645 646 return val; 647 } 648 649 extern void vmw_svga_enable(struct vmw_private *dev_priv); 650 extern void vmw_svga_disable(struct vmw_private *dev_priv); 651 652 653 /** 654 * GMR utilities - vmwgfx_gmr.c 655 */ 656 657 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 658 const struct vmw_sg_table *vsgt, 659 unsigned long num_pages, 660 int gmr_id); 661 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 662 663 /** 664 * Resource utilities - vmwgfx_resource.c 665 */ 666 struct vmw_user_resource_conv; 667 668 extern void vmw_resource_unreference(struct vmw_resource **p_res); 669 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 670 extern struct vmw_resource * 671 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 672 extern int vmw_resource_validate(struct vmw_resource *res, bool intr); 673 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 674 bool no_backup); 675 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 676 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 677 struct ttm_object_file *tfile, 678 uint32_t handle, 679 struct vmw_surface **out_surf, 680 struct vmw_buffer_object **out_buf); 681 extern int vmw_user_resource_lookup_handle( 682 struct vmw_private *dev_priv, 683 struct ttm_object_file *tfile, 684 uint32_t handle, 685 const struct vmw_user_resource_conv *converter, 686 struct vmw_resource **p_res); 687 extern struct vmw_resource * 688 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 689 struct ttm_object_file *tfile, 690 uint32_t handle, 691 const struct vmw_user_resource_conv * 692 converter); 693 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 694 struct drm_file *file_priv); 695 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 696 struct drm_file *file_priv); 697 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 698 struct ttm_object_file *tfile, 699 uint32_t *inout_id, 700 struct vmw_resource **out); 701 extern void vmw_resource_unreserve(struct vmw_resource *res, 702 bool dirty_set, 703 bool dirty, 704 bool switch_backup, 705 struct vmw_buffer_object *new_backup, 706 unsigned long new_backup_offset); 707 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 708 struct ttm_mem_reg *mem); 709 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 710 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 711 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 712 713 /** 714 * vmw_user_resource_noref_release - release a user resource pointer looked up 715 * without reference 716 */ 717 static inline void vmw_user_resource_noref_release(void) 718 { 719 ttm_base_object_noref_release(); 720 } 721 722 /** 723 * Buffer object helper functions - vmwgfx_bo.c 724 */ 725 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 726 struct vmw_buffer_object *bo, 727 struct ttm_placement *placement, 728 bool interruptible); 729 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 730 struct vmw_buffer_object *buf, 731 bool interruptible); 732 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 733 struct vmw_buffer_object *buf, 734 bool interruptible); 735 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 736 struct vmw_buffer_object *bo, 737 bool interruptible); 738 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 739 struct vmw_buffer_object *bo, 740 bool interruptible); 741 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 742 SVGAGuestPtr *ptr); 743 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 744 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 745 extern int vmw_bo_init(struct vmw_private *dev_priv, 746 struct vmw_buffer_object *vmw_bo, 747 size_t size, struct ttm_placement *placement, 748 bool interuptable, 749 void (*bo_free)(struct ttm_buffer_object *bo)); 750 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 751 struct ttm_object_file *tfile); 752 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 753 struct ttm_object_file *tfile, 754 uint32_t size, 755 bool shareable, 756 uint32_t *handle, 757 struct vmw_buffer_object **p_dma_buf, 758 struct ttm_base_object **p_base); 759 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 760 struct vmw_buffer_object *dma_buf, 761 uint32_t *handle); 762 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 763 struct drm_file *file_priv); 764 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 765 struct drm_file *file_priv); 766 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 767 struct drm_file *file_priv); 768 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 769 uint32_t id, struct vmw_buffer_object **out, 770 struct ttm_base_object **base); 771 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 772 struct vmw_fence_obj *fence); 773 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 774 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 775 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 776 struct ttm_mem_reg *mem); 777 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 778 extern struct vmw_buffer_object * 779 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 780 781 /** 782 * vmw_user_bo_noref_release - release a buffer object pointer looked up 783 * without reference 784 */ 785 static inline void vmw_user_bo_noref_release(void) 786 { 787 ttm_base_object_noref_release(); 788 } 789 790 791 /** 792 * Misc Ioctl functionality - vmwgfx_ioctl.c 793 */ 794 795 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 796 struct drm_file *file_priv); 797 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 798 struct drm_file *file_priv); 799 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 800 struct drm_file *file_priv); 801 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 802 struct drm_file *file_priv); 803 extern __poll_t vmw_fops_poll(struct file *filp, 804 struct poll_table_struct *wait); 805 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 806 size_t count, loff_t *offset); 807 808 /** 809 * Fifo utilities - vmwgfx_fifo.c 810 */ 811 812 extern int vmw_fifo_init(struct vmw_private *dev_priv, 813 struct vmw_fifo_state *fifo); 814 extern void vmw_fifo_release(struct vmw_private *dev_priv, 815 struct vmw_fifo_state *fifo); 816 extern void * 817 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 818 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 819 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 820 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 821 uint32_t *seqno); 822 extern void vmw_fifo_ping_host_locked(struct vmw_private *, uint32_t reason); 823 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 824 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 825 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 826 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 827 uint32_t cid); 828 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 829 bool interruptible); 830 831 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 832 ({ \ 833 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 834 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 835 __func__, (unsigned int) __bytes); \ 836 NULL; \ 837 }); \ 838 }) 839 840 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 841 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 842 843 /** 844 * TTM glue - vmwgfx_ttm_glue.c 845 */ 846 847 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 848 849 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 850 size_t gran); 851 /** 852 * TTM buffer object driver - vmwgfx_ttm_buffer.c 853 */ 854 855 extern const size_t vmw_tt_size; 856 extern struct ttm_placement vmw_vram_placement; 857 extern struct ttm_placement vmw_vram_ne_placement; 858 extern struct ttm_placement vmw_vram_sys_placement; 859 extern struct ttm_placement vmw_vram_gmr_placement; 860 extern struct ttm_placement vmw_vram_gmr_ne_placement; 861 extern struct ttm_placement vmw_sys_placement; 862 extern struct ttm_placement vmw_sys_ne_placement; 863 extern struct ttm_placement vmw_evictable_placement; 864 extern struct ttm_placement vmw_srf_placement; 865 extern struct ttm_placement vmw_mob_placement; 866 extern struct ttm_placement vmw_mob_ne_placement; 867 extern struct ttm_placement vmw_nonfixed_placement; 868 extern struct ttm_bo_driver vmw_bo_driver; 869 extern int vmw_dma_quiescent(struct drm_device *dev); 870 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 871 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 872 extern const struct vmw_sg_table * 873 vmw_bo_sg_table(struct ttm_buffer_object *bo); 874 extern void vmw_piter_start(struct vmw_piter *viter, 875 const struct vmw_sg_table *vsgt, 876 unsigned long p_offs); 877 878 /** 879 * vmw_piter_next - Advance the iterator one page. 880 * 881 * @viter: Pointer to the iterator to advance. 882 * 883 * Returns false if past the list of pages, true otherwise. 884 */ 885 static inline bool vmw_piter_next(struct vmw_piter *viter) 886 { 887 return viter->next(viter); 888 } 889 890 /** 891 * vmw_piter_dma_addr - Return the DMA address of the current page. 892 * 893 * @viter: Pointer to the iterator 894 * 895 * Returns the DMA address of the page pointed to by @viter. 896 */ 897 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 898 { 899 return viter->dma_address(viter); 900 } 901 902 /** 903 * vmw_piter_page - Return a pointer to the current page. 904 * 905 * @viter: Pointer to the iterator 906 * 907 * Returns the DMA address of the page pointed to by @viter. 908 */ 909 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 910 { 911 return viter->page(viter); 912 } 913 914 /** 915 * Command submission - vmwgfx_execbuf.c 916 */ 917 918 extern int vmw_execbuf_ioctl(struct drm_device *dev, unsigned long data, 919 struct drm_file *file_priv, size_t size); 920 extern int vmw_execbuf_process(struct drm_file *file_priv, 921 struct vmw_private *dev_priv, 922 void __user *user_commands, 923 void *kernel_commands, 924 uint32_t command_size, 925 uint64_t throttle_us, 926 uint32_t dx_context_handle, 927 struct drm_vmw_fence_rep __user 928 *user_fence_rep, 929 struct vmw_fence_obj **out_fence, 930 uint32_t flags); 931 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 932 struct vmw_fence_obj *fence); 933 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 934 935 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 936 struct vmw_private *dev_priv, 937 struct vmw_fence_obj **p_fence, 938 uint32_t *p_handle); 939 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 940 struct vmw_fpriv *vmw_fp, 941 int ret, 942 struct drm_vmw_fence_rep __user 943 *user_fence_rep, 944 struct vmw_fence_obj *fence, 945 uint32_t fence_handle, 946 int32_t out_fence_fd, 947 struct sync_file *sync_file); 948 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 949 950 /** 951 * IRQs and wating - vmwgfx_irq.c 952 */ 953 954 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 955 uint32_t seqno, bool interruptible, 956 unsigned long timeout); 957 extern int vmw_irq_install(struct drm_device *dev, int irq); 958 extern void vmw_irq_uninstall(struct drm_device *dev); 959 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 960 uint32_t seqno); 961 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 962 bool lazy, 963 bool fifo_idle, 964 uint32_t seqno, 965 bool interruptible, 966 unsigned long timeout); 967 extern void vmw_update_seqno(struct vmw_private *dev_priv, 968 struct vmw_fifo_state *fifo_state); 969 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 970 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 971 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 972 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 973 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 974 int *waiter_count); 975 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 976 u32 flag, int *waiter_count); 977 978 /** 979 * Rudimentary fence-like objects currently used only for throttling - 980 * vmwgfx_marker.c 981 */ 982 983 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 984 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 985 extern int vmw_marker_push(struct vmw_marker_queue *queue, 986 uint32_t seqno); 987 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 988 uint32_t signaled_seqno); 989 extern int vmw_wait_lag(struct vmw_private *dev_priv, 990 struct vmw_marker_queue *queue, uint32_t us); 991 992 /** 993 * Kernel framebuffer - vmwgfx_fb.c 994 */ 995 996 int vmw_fb_init(struct vmw_private *vmw_priv); 997 int vmw_fb_close(struct vmw_private *dev_priv); 998 int vmw_fb_off(struct vmw_private *vmw_priv); 999 int vmw_fb_on(struct vmw_private *vmw_priv); 1000 1001 /** 1002 * Kernel modesetting - vmwgfx_kms.c 1003 */ 1004 1005 int vmw_kms_init(struct vmw_private *dev_priv); 1006 int vmw_kms_close(struct vmw_private *dev_priv); 1007 int vmw_kms_save_vga(struct vmw_private *vmw_priv); 1008 int vmw_kms_restore_vga(struct vmw_private *vmw_priv); 1009 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1010 struct drm_file *file_priv); 1011 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1012 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1013 struct ttm_object_file *tfile, 1014 struct ttm_buffer_object *bo, 1015 SVGA3dCmdHeader *header); 1016 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1017 unsigned width, unsigned height, unsigned pitch, 1018 unsigned bpp, unsigned depth); 1019 void vmw_kms_idle_workqueues(struct vmw_master *vmaster); 1020 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1021 uint32_t pitch, 1022 uint32_t height); 1023 u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe); 1024 int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe); 1025 void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe); 1026 int vmw_kms_present(struct vmw_private *dev_priv, 1027 struct drm_file *file_priv, 1028 struct vmw_framebuffer *vfb, 1029 struct vmw_surface *surface, 1030 uint32_t sid, int32_t destX, int32_t destY, 1031 struct drm_vmw_rect *clips, 1032 uint32_t num_clips); 1033 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1034 struct drm_file *file_priv); 1035 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1036 int vmw_kms_suspend(struct drm_device *dev); 1037 int vmw_kms_resume(struct drm_device *dev); 1038 void vmw_kms_lost_device(struct drm_device *dev); 1039 1040 int vmw_dumb_create(struct drm_file *file_priv, 1041 struct drm_device *dev, 1042 struct drm_mode_create_dumb *args); 1043 1044 int vmw_dumb_map_offset(struct drm_file *file_priv, 1045 struct drm_device *dev, uint32_t handle, 1046 uint64_t *offset); 1047 int vmw_dumb_destroy(struct drm_file *file_priv, 1048 struct drm_device *dev, 1049 uint32_t handle); 1050 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1051 extern void vmw_resource_unpin(struct vmw_resource *res); 1052 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1053 1054 /** 1055 * Overlay control - vmwgfx_overlay.c 1056 */ 1057 1058 int vmw_overlay_init(struct vmw_private *dev_priv); 1059 int vmw_overlay_close(struct vmw_private *dev_priv); 1060 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1061 struct drm_file *file_priv); 1062 int vmw_overlay_stop_all(struct vmw_private *dev_priv); 1063 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1064 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1065 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1066 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1067 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1068 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1069 1070 /** 1071 * GMR Id manager 1072 */ 1073 1074 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1075 1076 /** 1077 * Prime - vmwgfx_prime.c 1078 */ 1079 1080 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1081 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1082 struct drm_file *file_priv, 1083 int fd, u32 *handle); 1084 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1085 struct drm_file *file_priv, 1086 uint32_t handle, uint32_t flags, 1087 int *prime_fd); 1088 1089 /* 1090 * MemoryOBject management - vmwgfx_mob.c 1091 */ 1092 struct vmw_mob; 1093 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1094 const struct vmw_sg_table *vsgt, 1095 unsigned long num_data_pages, int32_t mob_id); 1096 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1097 struct vmw_mob *mob); 1098 extern void vmw_mob_destroy(struct vmw_mob *mob); 1099 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1100 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1101 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1102 1103 /* 1104 * Context management - vmwgfx_context.c 1105 */ 1106 1107 extern const struct vmw_user_resource_conv *user_context_converter; 1108 1109 extern int vmw_context_check(struct vmw_private *dev_priv, 1110 struct ttm_object_file *tfile, 1111 int id, 1112 struct vmw_resource **p_res); 1113 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1114 struct drm_file *file_priv); 1115 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1116 struct drm_file *file_priv); 1117 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1118 struct drm_file *file_priv); 1119 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1120 extern struct vmw_cmdbuf_res_manager * 1121 vmw_context_res_man(struct vmw_resource *ctx); 1122 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1123 SVGACOTableType cotable_type); 1124 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1125 struct vmw_ctx_binding_state; 1126 extern struct vmw_ctx_binding_state * 1127 vmw_context_binding_state(struct vmw_resource *ctx); 1128 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1129 bool readback); 1130 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1131 struct vmw_buffer_object *mob); 1132 extern struct vmw_buffer_object * 1133 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1134 1135 1136 /* 1137 * Surface management - vmwgfx_surface.c 1138 */ 1139 1140 extern const struct vmw_user_resource_conv *user_surface_converter; 1141 1142 extern void vmw_surface_res_free(struct vmw_resource *res); 1143 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1144 struct drm_file *file_priv); 1145 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1146 struct drm_file *file_priv); 1147 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1148 struct drm_file *file_priv); 1149 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1150 struct drm_file *file_priv); 1151 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1152 struct drm_file *file_priv); 1153 extern int vmw_surface_check(struct vmw_private *dev_priv, 1154 struct ttm_object_file *tfile, 1155 uint32_t handle, int *id); 1156 extern int vmw_surface_validate(struct vmw_private *dev_priv, 1157 struct vmw_surface *srf); 1158 int vmw_surface_gb_priv_define(struct drm_device *dev, 1159 uint32_t user_accounting_size, 1160 SVGA3dSurfaceAllFlags svga3d_flags, 1161 SVGA3dSurfaceFormat format, 1162 bool for_scanout, 1163 uint32_t num_mip_levels, 1164 uint32_t multisample_count, 1165 uint32_t array_size, 1166 struct drm_vmw_size size, 1167 SVGA3dMSPattern multisample_pattern, 1168 SVGA3dMSQualityLevel quality_level, 1169 struct vmw_surface **srf_out); 1170 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1171 void *data, 1172 struct drm_file *file_priv); 1173 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1174 void *data, 1175 struct drm_file *file_priv); 1176 1177 /* 1178 * Shader management - vmwgfx_shader.c 1179 */ 1180 1181 extern const struct vmw_user_resource_conv *user_shader_converter; 1182 1183 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1184 struct drm_file *file_priv); 1185 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1186 struct drm_file *file_priv); 1187 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1188 struct vmw_cmdbuf_res_manager *man, 1189 u32 user_key, const void *bytecode, 1190 SVGA3dShaderType shader_type, 1191 size_t size, 1192 struct list_head *list); 1193 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1194 u32 user_key, SVGA3dShaderType shader_type, 1195 struct list_head *list); 1196 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1197 struct vmw_resource *ctx, 1198 u32 user_key, 1199 SVGA3dShaderType shader_type, 1200 struct list_head *list); 1201 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1202 struct list_head *list, 1203 bool readback); 1204 1205 extern struct vmw_resource * 1206 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1207 u32 user_key, SVGA3dShaderType shader_type); 1208 1209 /* 1210 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1211 */ 1212 1213 extern struct vmw_cmdbuf_res_manager * 1214 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1215 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1216 extern size_t vmw_cmdbuf_res_man_size(void); 1217 extern struct vmw_resource * 1218 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1219 enum vmw_cmdbuf_res_type res_type, 1220 u32 user_key); 1221 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1222 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1223 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1224 enum vmw_cmdbuf_res_type res_type, 1225 u32 user_key, 1226 struct vmw_resource *res, 1227 struct list_head *list); 1228 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1229 enum vmw_cmdbuf_res_type res_type, 1230 u32 user_key, 1231 struct list_head *list, 1232 struct vmw_resource **res); 1233 1234 /* 1235 * COTable management - vmwgfx_cotable.c 1236 */ 1237 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1238 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1239 struct vmw_resource *ctx, 1240 u32 type); 1241 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1242 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1243 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1244 struct list_head *head); 1245 1246 /* 1247 * Command buffer managerment vmwgfx_cmdbuf.c 1248 */ 1249 struct vmw_cmdbuf_man; 1250 struct vmw_cmdbuf_header; 1251 1252 extern struct vmw_cmdbuf_man * 1253 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1254 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1255 size_t size, size_t default_size); 1256 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1257 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1258 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1259 unsigned long timeout); 1260 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1261 int ctx_id, bool interruptible, 1262 struct vmw_cmdbuf_header *header); 1263 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1264 struct vmw_cmdbuf_header *header, 1265 bool flush); 1266 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1267 size_t size, bool interruptible, 1268 struct vmw_cmdbuf_header **p_header); 1269 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1270 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1271 bool interruptible); 1272 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1273 1274 /* CPU blit utilities - vmwgfx_blit.c */ 1275 1276 /** 1277 * struct vmw_diff_cpy - CPU blit information structure 1278 * 1279 * @rect: The output bounding box rectangle. 1280 * @line: The current line of the blit. 1281 * @line_offset: Offset of the current line segment. 1282 * @cpp: Bytes per pixel (granularity information). 1283 * @memcpy: Which memcpy function to use. 1284 */ 1285 struct vmw_diff_cpy { 1286 struct drm_rect rect; 1287 size_t line; 1288 size_t line_offset; 1289 int cpp; 1290 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1291 size_t n); 1292 }; 1293 1294 #define VMW_CPU_BLIT_INITIALIZER { \ 1295 .do_cpy = vmw_memcpy, \ 1296 } 1297 1298 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1299 .line = 0, \ 1300 .line_offset = 0, \ 1301 .rect = { .x1 = INT_MAX/2, \ 1302 .y1 = INT_MAX/2, \ 1303 .x2 = INT_MIN/2, \ 1304 .y2 = INT_MIN/2 \ 1305 }, \ 1306 .cpp = _cpp, \ 1307 .do_cpy = vmw_diff_memcpy, \ 1308 } 1309 1310 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1311 size_t n); 1312 1313 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1314 1315 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1316 u32 dst_offset, u32 dst_stride, 1317 struct ttm_buffer_object *src, 1318 u32 src_offset, u32 src_stride, 1319 u32 w, u32 h, 1320 struct vmw_diff_cpy *diff); 1321 1322 /* Host messaging -vmwgfx_msg.c: */ 1323 int vmw_host_get_guestinfo(const char *guest_info_param, 1324 char *buffer, size_t *length); 1325 int vmw_host_log(const char *log); 1326 1327 /* VMW logging */ 1328 1329 /** 1330 * VMW_DEBUG_USER - Debug output for user-space debugging. 1331 * 1332 * @fmt: printf() like format string. 1333 * 1334 * This macro is for logging user-space error and debugging messages for e.g. 1335 * command buffer execution errors due to malformed commands, invalid context, 1336 * etc. 1337 */ 1338 #define VMW_DEBUG_USER(fmt, ...) \ 1339 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1340 1341 /** 1342 * Inline helper functions 1343 */ 1344 1345 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1346 { 1347 struct vmw_surface *tmp_srf = *srf; 1348 struct vmw_resource *res = &tmp_srf->res; 1349 *srf = NULL; 1350 1351 vmw_resource_unreference(&res); 1352 } 1353 1354 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1355 { 1356 (void) vmw_resource_reference(&srf->res); 1357 return srf; 1358 } 1359 1360 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1361 { 1362 struct vmw_buffer_object *tmp_buf = *buf; 1363 1364 *buf = NULL; 1365 if (tmp_buf != NULL) { 1366 ttm_bo_put(&tmp_buf->base); 1367 } 1368 } 1369 1370 static inline struct vmw_buffer_object * 1371 vmw_bo_reference(struct vmw_buffer_object *buf) 1372 { 1373 ttm_bo_get(&buf->base); 1374 return buf; 1375 } 1376 1377 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1378 { 1379 return &ttm_mem_glob; 1380 } 1381 1382 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1383 { 1384 atomic_inc(&dev_priv->num_fifo_resources); 1385 } 1386 1387 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1388 { 1389 atomic_dec(&dev_priv->num_fifo_resources); 1390 } 1391 1392 /** 1393 * vmw_mmio_read - Perform a MMIO read from volatile memory 1394 * 1395 * @addr: The address to read from 1396 * 1397 * This function is intended to be equivalent to ioread32() on 1398 * memremap'd memory, but without byteswapping. 1399 */ 1400 static inline u32 vmw_mmio_read(u32 *addr) 1401 { 1402 return READ_ONCE(*addr); 1403 } 1404 1405 /** 1406 * vmw_mmio_write - Perform a MMIO write to volatile memory 1407 * 1408 * @addr: The address to write to 1409 * 1410 * This function is intended to be equivalent to iowrite32 on 1411 * memremap'd memory, but without byteswapping. 1412 */ 1413 static inline void vmw_mmio_write(u32 value, u32 *addr) 1414 { 1415 WRITE_ONCE(*addr, value); 1416 } 1417 #endif 1418