1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef _VMWGFX_DRV_H_ 29 #define _VMWGFX_DRV_H_ 30 31 #include <linux/suspend.h> 32 #include <linux/sync_file.h> 33 34 #include <drm/drm_auth.h> 35 #include <drm/drm_device.h> 36 #include <drm/drm_file.h> 37 #include <drm/drm_hashtab.h> 38 #include <drm/drm_rect.h> 39 40 #include <drm/ttm/ttm_bo_driver.h> 41 #include <drm/ttm/ttm_execbuf_util.h> 42 #include <drm/ttm/ttm_module.h> 43 44 #include "ttm_lock.h" 45 #include "ttm_object.h" 46 47 #include "vmwgfx_fence.h" 48 #include "vmwgfx_reg.h" 49 #include "vmwgfx_validation.h" 50 51 /* 52 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 53 * uapi headers should not depend on header files outside uapi/. 54 */ 55 #include <drm/vmwgfx_drm.h> 56 57 58 #define VMWGFX_DRIVER_NAME "vmwgfx" 59 #define VMWGFX_DRIVER_DATE "20200114" 60 #define VMWGFX_DRIVER_MAJOR 2 61 #define VMWGFX_DRIVER_MINOR 17 62 #define VMWGFX_DRIVER_PATCHLEVEL 0 63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 64 #define VMWGFX_MAX_RELOCATIONS 2048 65 #define VMWGFX_MAX_VALIDATIONS 2048 66 #define VMWGFX_MAX_DISPLAYS 16 67 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 68 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 69 70 /* 71 * Perhaps we should have sysfs entries for these. 72 */ 73 #define VMWGFX_NUM_GB_CONTEXT 256 74 #define VMWGFX_NUM_GB_SHADER 20000 75 #define VMWGFX_NUM_GB_SURFACE 32768 76 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 77 #define VMWGFX_NUM_DXCONTEXT 256 78 #define VMWGFX_NUM_DXQUERY 512 79 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 80 VMWGFX_NUM_GB_SHADER +\ 81 VMWGFX_NUM_GB_SURFACE +\ 82 VMWGFX_NUM_GB_SCREEN_TARGET) 83 84 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 85 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 86 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 87 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 88 89 #define VMW_RES_CONTEXT ttm_driver_type0 90 #define VMW_RES_SURFACE ttm_driver_type1 91 #define VMW_RES_STREAM ttm_driver_type2 92 #define VMW_RES_FENCE ttm_driver_type3 93 #define VMW_RES_SHADER ttm_driver_type4 94 95 struct vmw_fpriv { 96 struct ttm_object_file *tfile; 97 bool gb_aware; /* user-space is guest-backed aware */ 98 }; 99 100 /** 101 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 102 * @base: The TTM buffer object 103 * @res_tree: RB tree of resources using this buffer object as a backing MOB 104 * @pin_count: pin depth 105 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 106 * increased. May be decreased without reservation. 107 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 108 * @map: Kmap object for semi-persistent mappings 109 * @res_prios: Eviction priority counts for attached resources 110 * @dirty: structure for user-space dirty-tracking 111 */ 112 struct vmw_buffer_object { 113 struct ttm_buffer_object base; 114 struct rb_root res_tree; 115 s32 pin_count; 116 atomic_t cpu_writers; 117 /* Not ref-counted. Protected by binding_mutex */ 118 struct vmw_resource *dx_query_ctx; 119 /* Protected by reservation */ 120 struct ttm_bo_kmap_obj map; 121 u32 res_prios[TTM_MAX_BO_PRIORITY]; 122 struct vmw_bo_dirty *dirty; 123 }; 124 125 /** 126 * struct vmw_validate_buffer - Carries validation info about buffers. 127 * 128 * @base: Validation info for TTM. 129 * @hash: Hash entry for quick lookup of the TTM buffer object. 130 * 131 * This structure contains also driver private validation info 132 * on top of the info needed by TTM. 133 */ 134 struct vmw_validate_buffer { 135 struct ttm_validate_buffer base; 136 struct drm_hash_item hash; 137 bool validate_as_mob; 138 }; 139 140 struct vmw_res_func; 141 142 143 /** 144 * struct vmw-resource - base class for hardware resources 145 * 146 * @kref: For refcounting. 147 * @dev_priv: Pointer to the device private for this resource. Immutable. 148 * @id: Device id. Protected by @dev_priv::resource_lock. 149 * @backup_size: Backup buffer size. Immutable. 150 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 151 * by resource reserved. 152 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 153 * Protected by resource reserved. 154 * @coherent: Emulate coherency by tracking vm accesses. 155 * @backup: The backup buffer if any. Protected by resource reserved. 156 * @backup_offset: Offset into the backup buffer if any. Protected by resource 157 * reserved. Note that only a few resource types can have a @backup_offset 158 * different from zero. 159 * @pin_count: The pin count for this resource. A pinned resource has a 160 * pin-count greater than zero. It is not on the resource LRU lists and its 161 * backup buffer is pinned. Hence it can't be evicted. 162 * @func: Method vtable for this resource. Immutable. 163 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 164 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 165 * @binding_head: List head for the context binding list. Protected by 166 * the @dev_priv::binding_mutex 167 * @res_free: The resource destructor. 168 * @hw_destroy: Callback to destroy the resource on the device, as part of 169 * resource destruction. 170 */ 171 struct vmw_resource_dirty; 172 struct vmw_resource { 173 struct kref kref; 174 struct vmw_private *dev_priv; 175 int id; 176 u32 used_prio; 177 unsigned long backup_size; 178 u32 res_dirty : 1; 179 u32 backup_dirty : 1; 180 u32 coherent : 1; 181 struct vmw_buffer_object *backup; 182 unsigned long backup_offset; 183 unsigned long pin_count; 184 const struct vmw_res_func *func; 185 struct rb_node mob_node; 186 struct list_head lru_head; 187 struct list_head binding_head; 188 struct vmw_resource_dirty *dirty; 189 void (*res_free) (struct vmw_resource *res); 190 void (*hw_destroy) (struct vmw_resource *res); 191 }; 192 193 194 /* 195 * Resources that are managed using ioctls. 196 */ 197 enum vmw_res_type { 198 vmw_res_context, 199 vmw_res_surface, 200 vmw_res_stream, 201 vmw_res_shader, 202 vmw_res_dx_context, 203 vmw_res_cotable, 204 vmw_res_view, 205 vmw_res_max 206 }; 207 208 /* 209 * Resources that are managed using command streams. 210 */ 211 enum vmw_cmdbuf_res_type { 212 vmw_cmdbuf_res_shader, 213 vmw_cmdbuf_res_view 214 }; 215 216 struct vmw_cmdbuf_res_manager; 217 218 struct vmw_cursor_snooper { 219 size_t age; 220 uint32_t *image; 221 }; 222 223 struct vmw_framebuffer; 224 struct vmw_surface_offset; 225 226 struct vmw_surface { 227 struct vmw_resource res; 228 SVGA3dSurfaceAllFlags flags; 229 uint32_t format; 230 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 231 struct drm_vmw_size base_size; 232 struct drm_vmw_size *sizes; 233 uint32_t num_sizes; 234 bool scanout; 235 uint32_t array_size; 236 /* TODO so far just a extra pointer */ 237 struct vmw_cursor_snooper snooper; 238 struct vmw_surface_offset *offsets; 239 SVGA3dTextureFilter autogen_filter; 240 uint32_t multisample_count; 241 struct list_head view_list; 242 SVGA3dMSPattern multisample_pattern; 243 SVGA3dMSQualityLevel quality_level; 244 }; 245 246 struct vmw_marker_queue { 247 struct list_head head; 248 u64 lag; 249 u64 lag_time; 250 spinlock_t lock; 251 }; 252 253 struct vmw_fifo_state { 254 unsigned long reserved_size; 255 u32 *dynamic_buffer; 256 u32 *static_buffer; 257 unsigned long static_buffer_size; 258 bool using_bounce_buffer; 259 uint32_t capabilities; 260 struct mutex fifo_mutex; 261 struct rw_semaphore rwsem; 262 struct vmw_marker_queue marker_queue; 263 bool dx; 264 }; 265 266 /** 267 * struct vmw_res_cache_entry - resource information cache entry 268 * @handle: User-space handle of a resource. 269 * @res: Non-ref-counted pointer to the resource. 270 * @valid_handle: Whether the @handle member is valid. 271 * @valid: Whether the entry is valid, which also implies that the execbuf 272 * code holds a reference to the resource, and it's placed on the 273 * validation list. 274 * 275 * Used to avoid frequent repeated user-space handle lookups of the 276 * same resource. 277 */ 278 struct vmw_res_cache_entry { 279 uint32_t handle; 280 struct vmw_resource *res; 281 void *private; 282 unsigned short valid_handle; 283 unsigned short valid; 284 }; 285 286 /** 287 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 288 */ 289 enum vmw_dma_map_mode { 290 vmw_dma_phys, /* Use physical page addresses */ 291 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 292 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 293 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 294 vmw_dma_map_max 295 }; 296 297 /** 298 * struct vmw_sg_table - Scatter/gather table for binding, with additional 299 * device-specific information. 300 * 301 * @sgt: Pointer to a struct sg_table with binding information 302 * @num_regions: Number of regions with device-address contiguous pages 303 */ 304 struct vmw_sg_table { 305 enum vmw_dma_map_mode mode; 306 struct page **pages; 307 const dma_addr_t *addrs; 308 struct sg_table *sgt; 309 unsigned long num_regions; 310 unsigned long num_pages; 311 }; 312 313 /** 314 * struct vmw_piter - Page iterator that iterates over a list of pages 315 * and DMA addresses that could be either a scatter-gather list or 316 * arrays 317 * 318 * @pages: Array of page pointers to the pages. 319 * @addrs: DMA addresses to the pages if coherent pages are used. 320 * @iter: Scatter-gather page iterator. Current position in SG list. 321 * @i: Current position in arrays. 322 * @num_pages: Number of pages total. 323 * @next: Function to advance the iterator. Returns false if past the list 324 * of pages, true otherwise. 325 * @dma_address: Function to return the DMA address of the current page. 326 */ 327 struct vmw_piter { 328 struct page **pages; 329 const dma_addr_t *addrs; 330 struct sg_dma_page_iter iter; 331 unsigned long i; 332 unsigned long num_pages; 333 bool (*next)(struct vmw_piter *); 334 dma_addr_t (*dma_address)(struct vmw_piter *); 335 struct page *(*page)(struct vmw_piter *); 336 }; 337 338 /* 339 * enum vmw_display_unit_type - Describes the display unit 340 */ 341 enum vmw_display_unit_type { 342 vmw_du_invalid = 0, 343 vmw_du_legacy, 344 vmw_du_screen_object, 345 vmw_du_screen_target 346 }; 347 348 struct vmw_validation_context; 349 struct vmw_ctx_validation_info; 350 351 /** 352 * struct vmw_sw_context - Command submission context 353 * @res_ht: Pointer hash table used to find validation duplicates 354 * @kernel: Whether the command buffer originates from kernel code rather 355 * than from user-space 356 * @fp: If @kernel is false, points to the file of the client. Otherwise 357 * NULL 358 * @cmd_bounce: Command bounce buffer used for command validation before 359 * copying to fifo space 360 * @cmd_bounce_size: Current command bounce buffer size 361 * @cur_query_bo: Current buffer object used as query result buffer 362 * @bo_relocations: List of buffer object relocations 363 * @res_relocations: List of resource relocations 364 * @buf_start: Pointer to start of memory where command validation takes 365 * place 366 * @res_cache: Cache of recently looked up resources 367 * @last_query_ctx: Last context that submitted a query 368 * @needs_post_query_barrier: Whether a query barrier is needed after 369 * command submission 370 * @staged_bindings: Cached per-context binding tracker 371 * @staged_bindings_inuse: Whether the cached per-context binding tracker 372 * is in use 373 * @staged_cmd_res: List of staged command buffer managed resources in this 374 * command buffer 375 * @ctx_list: List of context resources referenced in this command buffer 376 * @dx_ctx_node: Validation metadata of the current DX context 377 * @dx_query_mob: The MOB used for DX queries 378 * @dx_query_ctx: The DX context used for the last DX query 379 * @man: Pointer to the command buffer managed resource manager 380 * @ctx: The validation context 381 */ 382 struct vmw_sw_context{ 383 struct drm_open_hash res_ht; 384 bool res_ht_initialized; 385 bool kernel; 386 struct vmw_fpriv *fp; 387 uint32_t *cmd_bounce; 388 uint32_t cmd_bounce_size; 389 struct vmw_buffer_object *cur_query_bo; 390 struct list_head bo_relocations; 391 struct list_head res_relocations; 392 uint32_t *buf_start; 393 struct vmw_res_cache_entry res_cache[vmw_res_max]; 394 struct vmw_resource *last_query_ctx; 395 bool needs_post_query_barrier; 396 struct vmw_ctx_binding_state *staged_bindings; 397 bool staged_bindings_inuse; 398 struct list_head staged_cmd_res; 399 struct list_head ctx_list; 400 struct vmw_ctx_validation_info *dx_ctx_node; 401 struct vmw_buffer_object *dx_query_mob; 402 struct vmw_resource *dx_query_ctx; 403 struct vmw_cmdbuf_res_manager *man; 404 struct vmw_validation_context *ctx; 405 }; 406 407 struct vmw_legacy_display; 408 struct vmw_overlay; 409 410 struct vmw_vga_topology_state { 411 uint32_t width; 412 uint32_t height; 413 uint32_t primary; 414 uint32_t pos_x; 415 uint32_t pos_y; 416 }; 417 418 419 /* 420 * struct vmw_otable - Guest Memory OBject table metadata 421 * 422 * @size: Size of the table (page-aligned). 423 * @page_table: Pointer to a struct vmw_mob holding the page table. 424 */ 425 struct vmw_otable { 426 unsigned long size; 427 struct vmw_mob *page_table; 428 bool enabled; 429 }; 430 431 struct vmw_otable_batch { 432 unsigned num_otables; 433 struct vmw_otable *otables; 434 struct vmw_resource *context; 435 struct ttm_buffer_object *otable_bo; 436 }; 437 438 enum { 439 VMW_IRQTHREAD_FENCE, 440 VMW_IRQTHREAD_CMDBUF, 441 VMW_IRQTHREAD_MAX 442 }; 443 444 /** 445 * enum vmw_sm_type - Graphics context capability supported by device. 446 * @VMW_SM_LEGACY: Pre DX context. 447 * @VMW_SM_4: Context support upto SM4. 448 * @VMW_SM_4_1: Context support upto SM4_1. 449 * @VMW_SM_MAX: Should be the last. 450 */ 451 enum vmw_sm_type { 452 VMW_SM_LEGACY = 0, 453 VMW_SM_4, 454 VMW_SM_4_1, 455 VMW_SM_MAX 456 }; 457 458 struct vmw_private { 459 struct ttm_bo_device bdev; 460 461 struct vmw_fifo_state fifo; 462 463 struct drm_device *dev; 464 struct drm_vma_offset_manager vma_manager; 465 unsigned long vmw_chipset; 466 unsigned int io_start; 467 uint32_t vram_start; 468 uint32_t vram_size; 469 uint32_t prim_bb_mem; 470 uint32_t mmio_start; 471 uint32_t mmio_size; 472 uint32_t fb_max_width; 473 uint32_t fb_max_height; 474 uint32_t texture_max_width; 475 uint32_t texture_max_height; 476 uint32_t stdu_max_width; 477 uint32_t stdu_max_height; 478 uint32_t initial_width; 479 uint32_t initial_height; 480 u32 *mmio_virt; 481 uint32_t capabilities; 482 uint32_t capabilities2; 483 uint32_t max_gmr_ids; 484 uint32_t max_gmr_pages; 485 uint32_t max_mob_pages; 486 uint32_t max_mob_size; 487 uint32_t memory_size; 488 bool has_gmr; 489 bool has_mob; 490 spinlock_t hw_lock; 491 spinlock_t cap_lock; 492 bool assume_16bpp; 493 494 enum vmw_sm_type sm_type; 495 496 /* 497 * Framebuffer info. 498 */ 499 500 void *fb_info; 501 enum vmw_display_unit_type active_display_unit; 502 struct vmw_legacy_display *ldu_priv; 503 struct vmw_overlay *overlay_priv; 504 struct drm_property *hotplug_mode_update_property; 505 struct drm_property *implicit_placement_property; 506 struct mutex global_kms_state_mutex; 507 spinlock_t cursor_lock; 508 struct drm_atomic_state *suspend_state; 509 510 /* 511 * Context and surface management. 512 */ 513 514 spinlock_t resource_lock; 515 struct idr res_idr[vmw_res_max]; 516 517 /* 518 * A resource manager for kernel-only surfaces and 519 * contexts. 520 */ 521 522 struct ttm_object_device *tdev; 523 524 /* 525 * Fencing and IRQs. 526 */ 527 528 atomic_t marker_seq; 529 wait_queue_head_t fence_queue; 530 wait_queue_head_t fifo_queue; 531 spinlock_t waiter_lock; 532 int fence_queue_waiters; /* Protected by waiter_lock */ 533 int goal_queue_waiters; /* Protected by waiter_lock */ 534 int cmdbuf_waiters; /* Protected by waiter_lock */ 535 int error_waiters; /* Protected by waiter_lock */ 536 int fifo_queue_waiters; /* Protected by waiter_lock */ 537 uint32_t last_read_seqno; 538 struct vmw_fence_manager *fman; 539 uint32_t irq_mask; /* Updates protected by waiter_lock */ 540 541 /* 542 * Device state 543 */ 544 545 uint32_t traces_state; 546 uint32_t enable_state; 547 uint32_t config_done_state; 548 549 /** 550 * Execbuf 551 */ 552 /** 553 * Protected by the cmdbuf mutex. 554 */ 555 556 struct vmw_sw_context ctx; 557 struct mutex cmdbuf_mutex; 558 struct mutex binding_mutex; 559 560 /** 561 * Operating mode. 562 */ 563 564 bool stealth; 565 bool enable_fb; 566 spinlock_t svga_lock; 567 568 /** 569 * PM management. 570 */ 571 struct notifier_block pm_nb; 572 bool refuse_hibernation; 573 bool suspend_locked; 574 575 struct mutex release_mutex; 576 atomic_t num_fifo_resources; 577 578 /* 579 * Replace this with an rwsem as soon as we have down_xx_interruptible() 580 */ 581 struct ttm_lock reservation_sem; 582 583 /* 584 * Query processing. These members 585 * are protected by the cmdbuf mutex. 586 */ 587 588 struct vmw_buffer_object *dummy_query_bo; 589 struct vmw_buffer_object *pinned_bo; 590 uint32_t query_cid; 591 uint32_t query_cid_valid; 592 bool dummy_query_bo_pinned; 593 594 /* 595 * Surface swapping. The "surface_lru" list is protected by the 596 * resource lock in order to be able to destroy a surface and take 597 * it off the lru atomically. "used_memory_size" is currently 598 * protected by the cmdbuf mutex for simplicity. 599 */ 600 601 struct list_head res_lru[vmw_res_max]; 602 uint32_t used_memory_size; 603 604 /* 605 * DMA mapping stuff. 606 */ 607 enum vmw_dma_map_mode map_mode; 608 609 /* 610 * Guest Backed stuff 611 */ 612 struct vmw_otable_batch otable_batch; 613 614 struct vmw_cmdbuf_man *cman; 615 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 616 617 /* Validation memory reservation */ 618 struct vmw_validation_mem vvm; 619 }; 620 621 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 622 { 623 return container_of(res, struct vmw_surface, res); 624 } 625 626 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 627 { 628 return (struct vmw_private *)dev->dev_private; 629 } 630 631 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 632 { 633 return (struct vmw_fpriv *)file_priv->driver_priv; 634 } 635 636 /* 637 * The locking here is fine-grained, so that it is performed once 638 * for every read- and write operation. This is of course costly, but we 639 * don't perform much register access in the timing critical paths anyway. 640 * Instead we have the extra benefit of being sure that we don't forget 641 * the hw lock around register accesses. 642 */ 643 static inline void vmw_write(struct vmw_private *dev_priv, 644 unsigned int offset, uint32_t value) 645 { 646 spin_lock(&dev_priv->hw_lock); 647 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 648 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 649 spin_unlock(&dev_priv->hw_lock); 650 } 651 652 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 653 unsigned int offset) 654 { 655 u32 val; 656 657 spin_lock(&dev_priv->hw_lock); 658 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 659 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 660 spin_unlock(&dev_priv->hw_lock); 661 662 return val; 663 } 664 665 /** 666 * has_sm4_context - Does the device support SM4 context. 667 * @dev_priv: Device private. 668 * 669 * Return: Bool value if device support SM4 context or not. 670 */ 671 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 672 { 673 return (dev_priv->sm_type >= VMW_SM_4); 674 } 675 676 /** 677 * has_sm4_1_context - Does the device support SM4_1 context. 678 * @dev_priv: Device private. 679 * 680 * Return: Bool value if device support SM4_1 context or not. 681 */ 682 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 683 { 684 return (dev_priv->sm_type >= VMW_SM_4_1); 685 } 686 687 extern void vmw_svga_enable(struct vmw_private *dev_priv); 688 extern void vmw_svga_disable(struct vmw_private *dev_priv); 689 690 691 /** 692 * GMR utilities - vmwgfx_gmr.c 693 */ 694 695 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 696 const struct vmw_sg_table *vsgt, 697 unsigned long num_pages, 698 int gmr_id); 699 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 700 701 /** 702 * Resource utilities - vmwgfx_resource.c 703 */ 704 struct vmw_user_resource_conv; 705 706 extern void vmw_resource_unreference(struct vmw_resource **p_res); 707 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 708 extern struct vmw_resource * 709 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 710 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 711 bool dirtying); 712 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 713 bool no_backup); 714 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 715 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 716 struct ttm_object_file *tfile, 717 uint32_t handle, 718 struct vmw_surface **out_surf, 719 struct vmw_buffer_object **out_buf); 720 extern int vmw_user_resource_lookup_handle( 721 struct vmw_private *dev_priv, 722 struct ttm_object_file *tfile, 723 uint32_t handle, 724 const struct vmw_user_resource_conv *converter, 725 struct vmw_resource **p_res); 726 extern struct vmw_resource * 727 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 728 struct ttm_object_file *tfile, 729 uint32_t handle, 730 const struct vmw_user_resource_conv * 731 converter); 732 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 733 struct drm_file *file_priv); 734 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 735 struct drm_file *file_priv); 736 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 737 struct ttm_object_file *tfile, 738 uint32_t *inout_id, 739 struct vmw_resource **out); 740 extern void vmw_resource_unreserve(struct vmw_resource *res, 741 bool dirty_set, 742 bool dirty, 743 bool switch_backup, 744 struct vmw_buffer_object *new_backup, 745 unsigned long new_backup_offset); 746 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 747 struct ttm_mem_reg *mem); 748 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 749 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 750 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 751 void vmw_resource_mob_attach(struct vmw_resource *res); 752 void vmw_resource_mob_detach(struct vmw_resource *res); 753 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 754 pgoff_t end); 755 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 756 pgoff_t end, pgoff_t *num_prefault); 757 758 /** 759 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 760 * @res: The resource 761 * 762 * Return: true if the resource has a mob attached, false otherwise. 763 */ 764 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 765 { 766 return !RB_EMPTY_NODE(&res->mob_node); 767 } 768 769 /** 770 * vmw_user_resource_noref_release - release a user resource pointer looked up 771 * without reference 772 */ 773 static inline void vmw_user_resource_noref_release(void) 774 { 775 ttm_base_object_noref_release(); 776 } 777 778 /** 779 * Buffer object helper functions - vmwgfx_bo.c 780 */ 781 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 782 struct vmw_buffer_object *bo, 783 struct ttm_placement *placement, 784 bool interruptible); 785 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 786 struct vmw_buffer_object *buf, 787 bool interruptible); 788 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 789 struct vmw_buffer_object *buf, 790 bool interruptible); 791 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 792 struct vmw_buffer_object *bo, 793 bool interruptible); 794 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 795 struct vmw_buffer_object *bo, 796 bool interruptible); 797 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 798 SVGAGuestPtr *ptr); 799 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 800 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 801 extern int vmw_bo_init(struct vmw_private *dev_priv, 802 struct vmw_buffer_object *vmw_bo, 803 size_t size, struct ttm_placement *placement, 804 bool interuptable, 805 void (*bo_free)(struct ttm_buffer_object *bo)); 806 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 807 struct ttm_object_file *tfile); 808 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 809 struct ttm_object_file *tfile, 810 uint32_t size, 811 bool shareable, 812 uint32_t *handle, 813 struct vmw_buffer_object **p_dma_buf, 814 struct ttm_base_object **p_base); 815 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 816 struct vmw_buffer_object *dma_buf, 817 uint32_t *handle); 818 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 819 struct drm_file *file_priv); 820 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 821 struct drm_file *file_priv); 822 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 823 struct drm_file *file_priv); 824 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 825 uint32_t id, struct vmw_buffer_object **out, 826 struct ttm_base_object **base); 827 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 828 struct vmw_fence_obj *fence); 829 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 830 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 831 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 832 struct ttm_mem_reg *mem); 833 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 834 extern struct vmw_buffer_object * 835 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 836 837 /** 838 * vmw_user_bo_noref_release - release a buffer object pointer looked up 839 * without reference 840 */ 841 static inline void vmw_user_bo_noref_release(void) 842 { 843 ttm_base_object_noref_release(); 844 } 845 846 /** 847 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 848 * according to attached resources 849 * @vbo: The struct vmw_buffer_object 850 */ 851 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 852 { 853 int i = ARRAY_SIZE(vbo->res_prios); 854 855 while (i--) { 856 if (vbo->res_prios[i]) { 857 vbo->base.priority = i; 858 return; 859 } 860 } 861 862 vbo->base.priority = 3; 863 } 864 865 /** 866 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 867 * eviction priority 868 * @vbo: The struct vmw_buffer_object 869 * @prio: The resource priority 870 * 871 * After being notified, the code assigns the highest resource eviction priority 872 * to the backing buffer object (mob). 873 */ 874 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 875 { 876 if (vbo->res_prios[prio]++ == 0) 877 vmw_bo_prio_adjust(vbo); 878 } 879 880 /** 881 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 882 * priority being removed 883 * @vbo: The struct vmw_buffer_object 884 * @prio: The resource priority 885 * 886 * After being notified, the code assigns the highest resource eviction priority 887 * to the backing buffer object (mob). 888 */ 889 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 890 { 891 if (--vbo->res_prios[prio] == 0) 892 vmw_bo_prio_adjust(vbo); 893 } 894 895 /** 896 * Misc Ioctl functionality - vmwgfx_ioctl.c 897 */ 898 899 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 900 struct drm_file *file_priv); 901 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 902 struct drm_file *file_priv); 903 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 904 struct drm_file *file_priv); 905 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 906 struct drm_file *file_priv); 907 extern __poll_t vmw_fops_poll(struct file *filp, 908 struct poll_table_struct *wait); 909 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 910 size_t count, loff_t *offset); 911 912 /** 913 * Fifo utilities - vmwgfx_fifo.c 914 */ 915 916 extern int vmw_fifo_init(struct vmw_private *dev_priv, 917 struct vmw_fifo_state *fifo); 918 extern void vmw_fifo_release(struct vmw_private *dev_priv, 919 struct vmw_fifo_state *fifo); 920 extern void * 921 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 922 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 923 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 924 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 925 uint32_t *seqno); 926 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 927 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 928 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 929 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 930 uint32_t cid); 931 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 932 bool interruptible); 933 934 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 935 ({ \ 936 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 937 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 938 __func__, (unsigned int) __bytes); \ 939 NULL; \ 940 }); \ 941 }) 942 943 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 944 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 945 946 /** 947 * TTM glue - vmwgfx_ttm_glue.c 948 */ 949 950 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 951 952 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 953 size_t gran); 954 /** 955 * TTM buffer object driver - vmwgfx_ttm_buffer.c 956 */ 957 958 extern const size_t vmw_tt_size; 959 extern struct ttm_placement vmw_vram_placement; 960 extern struct ttm_placement vmw_vram_ne_placement; 961 extern struct ttm_placement vmw_vram_sys_placement; 962 extern struct ttm_placement vmw_vram_gmr_placement; 963 extern struct ttm_placement vmw_vram_gmr_ne_placement; 964 extern struct ttm_placement vmw_sys_placement; 965 extern struct ttm_placement vmw_sys_ne_placement; 966 extern struct ttm_placement vmw_evictable_placement; 967 extern struct ttm_placement vmw_srf_placement; 968 extern struct ttm_placement vmw_mob_placement; 969 extern struct ttm_placement vmw_mob_ne_placement; 970 extern struct ttm_placement vmw_nonfixed_placement; 971 extern struct ttm_bo_driver vmw_bo_driver; 972 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 973 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 974 extern const struct vmw_sg_table * 975 vmw_bo_sg_table(struct ttm_buffer_object *bo); 976 extern void vmw_piter_start(struct vmw_piter *viter, 977 const struct vmw_sg_table *vsgt, 978 unsigned long p_offs); 979 980 /** 981 * vmw_piter_next - Advance the iterator one page. 982 * 983 * @viter: Pointer to the iterator to advance. 984 * 985 * Returns false if past the list of pages, true otherwise. 986 */ 987 static inline bool vmw_piter_next(struct vmw_piter *viter) 988 { 989 return viter->next(viter); 990 } 991 992 /** 993 * vmw_piter_dma_addr - Return the DMA address of the current page. 994 * 995 * @viter: Pointer to the iterator 996 * 997 * Returns the DMA address of the page pointed to by @viter. 998 */ 999 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1000 { 1001 return viter->dma_address(viter); 1002 } 1003 1004 /** 1005 * vmw_piter_page - Return a pointer to the current page. 1006 * 1007 * @viter: Pointer to the iterator 1008 * 1009 * Returns the DMA address of the page pointed to by @viter. 1010 */ 1011 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1012 { 1013 return viter->page(viter); 1014 } 1015 1016 /** 1017 * Command submission - vmwgfx_execbuf.c 1018 */ 1019 1020 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1021 struct drm_file *file_priv); 1022 extern int vmw_execbuf_process(struct drm_file *file_priv, 1023 struct vmw_private *dev_priv, 1024 void __user *user_commands, 1025 void *kernel_commands, 1026 uint32_t command_size, 1027 uint64_t throttle_us, 1028 uint32_t dx_context_handle, 1029 struct drm_vmw_fence_rep __user 1030 *user_fence_rep, 1031 struct vmw_fence_obj **out_fence, 1032 uint32_t flags); 1033 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1034 struct vmw_fence_obj *fence); 1035 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1036 1037 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1038 struct vmw_private *dev_priv, 1039 struct vmw_fence_obj **p_fence, 1040 uint32_t *p_handle); 1041 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1042 struct vmw_fpriv *vmw_fp, 1043 int ret, 1044 struct drm_vmw_fence_rep __user 1045 *user_fence_rep, 1046 struct vmw_fence_obj *fence, 1047 uint32_t fence_handle, 1048 int32_t out_fence_fd, 1049 struct sync_file *sync_file); 1050 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1051 1052 /** 1053 * IRQs and wating - vmwgfx_irq.c 1054 */ 1055 1056 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1057 uint32_t seqno, bool interruptible, 1058 unsigned long timeout); 1059 extern int vmw_irq_install(struct drm_device *dev, int irq); 1060 extern void vmw_irq_uninstall(struct drm_device *dev); 1061 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1062 uint32_t seqno); 1063 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1064 bool lazy, 1065 bool fifo_idle, 1066 uint32_t seqno, 1067 bool interruptible, 1068 unsigned long timeout); 1069 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1070 struct vmw_fifo_state *fifo_state); 1071 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1072 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1073 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1074 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1075 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1076 int *waiter_count); 1077 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1078 u32 flag, int *waiter_count); 1079 1080 /** 1081 * Rudimentary fence-like objects currently used only for throttling - 1082 * vmwgfx_marker.c 1083 */ 1084 1085 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1086 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1087 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1088 uint32_t seqno); 1089 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1090 uint32_t signaled_seqno); 1091 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1092 struct vmw_marker_queue *queue, uint32_t us); 1093 1094 /** 1095 * Kernel framebuffer - vmwgfx_fb.c 1096 */ 1097 1098 int vmw_fb_init(struct vmw_private *vmw_priv); 1099 int vmw_fb_close(struct vmw_private *dev_priv); 1100 int vmw_fb_off(struct vmw_private *vmw_priv); 1101 int vmw_fb_on(struct vmw_private *vmw_priv); 1102 1103 /** 1104 * Kernel modesetting - vmwgfx_kms.c 1105 */ 1106 1107 int vmw_kms_init(struct vmw_private *dev_priv); 1108 int vmw_kms_close(struct vmw_private *dev_priv); 1109 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1110 struct drm_file *file_priv); 1111 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1112 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1113 struct ttm_object_file *tfile, 1114 struct ttm_buffer_object *bo, 1115 SVGA3dCmdHeader *header); 1116 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1117 unsigned width, unsigned height, unsigned pitch, 1118 unsigned bpp, unsigned depth); 1119 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1120 uint32_t pitch, 1121 uint32_t height); 1122 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1123 int vmw_enable_vblank(struct drm_crtc *crtc); 1124 void vmw_disable_vblank(struct drm_crtc *crtc); 1125 int vmw_kms_present(struct vmw_private *dev_priv, 1126 struct drm_file *file_priv, 1127 struct vmw_framebuffer *vfb, 1128 struct vmw_surface *surface, 1129 uint32_t sid, int32_t destX, int32_t destY, 1130 struct drm_vmw_rect *clips, 1131 uint32_t num_clips); 1132 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1133 struct drm_file *file_priv); 1134 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1135 int vmw_kms_suspend(struct drm_device *dev); 1136 int vmw_kms_resume(struct drm_device *dev); 1137 void vmw_kms_lost_device(struct drm_device *dev); 1138 1139 int vmw_dumb_create(struct drm_file *file_priv, 1140 struct drm_device *dev, 1141 struct drm_mode_create_dumb *args); 1142 1143 int vmw_dumb_map_offset(struct drm_file *file_priv, 1144 struct drm_device *dev, uint32_t handle, 1145 uint64_t *offset); 1146 int vmw_dumb_destroy(struct drm_file *file_priv, 1147 struct drm_device *dev, 1148 uint32_t handle); 1149 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1150 extern void vmw_resource_unpin(struct vmw_resource *res); 1151 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1152 1153 /** 1154 * Overlay control - vmwgfx_overlay.c 1155 */ 1156 1157 int vmw_overlay_init(struct vmw_private *dev_priv); 1158 int vmw_overlay_close(struct vmw_private *dev_priv); 1159 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1162 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1163 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1164 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1165 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1166 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1167 1168 /** 1169 * GMR Id manager 1170 */ 1171 1172 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1173 1174 /** 1175 * Prime - vmwgfx_prime.c 1176 */ 1177 1178 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1179 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1180 struct drm_file *file_priv, 1181 int fd, u32 *handle); 1182 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1183 struct drm_file *file_priv, 1184 uint32_t handle, uint32_t flags, 1185 int *prime_fd); 1186 1187 /* 1188 * MemoryOBject management - vmwgfx_mob.c 1189 */ 1190 struct vmw_mob; 1191 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1192 const struct vmw_sg_table *vsgt, 1193 unsigned long num_data_pages, int32_t mob_id); 1194 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1195 struct vmw_mob *mob); 1196 extern void vmw_mob_destroy(struct vmw_mob *mob); 1197 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1198 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1199 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1200 1201 /* 1202 * Context management - vmwgfx_context.c 1203 */ 1204 1205 extern const struct vmw_user_resource_conv *user_context_converter; 1206 1207 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1208 struct drm_file *file_priv); 1209 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1210 struct drm_file *file_priv); 1211 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1212 struct drm_file *file_priv); 1213 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1214 extern struct vmw_cmdbuf_res_manager * 1215 vmw_context_res_man(struct vmw_resource *ctx); 1216 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1217 SVGACOTableType cotable_type); 1218 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1219 struct vmw_ctx_binding_state; 1220 extern struct vmw_ctx_binding_state * 1221 vmw_context_binding_state(struct vmw_resource *ctx); 1222 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1223 bool readback); 1224 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1225 struct vmw_buffer_object *mob); 1226 extern struct vmw_buffer_object * 1227 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1228 1229 1230 /* 1231 * Surface management - vmwgfx_surface.c 1232 */ 1233 1234 extern const struct vmw_user_resource_conv *user_surface_converter; 1235 1236 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1237 struct drm_file *file_priv); 1238 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1239 struct drm_file *file_priv); 1240 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1241 struct drm_file *file_priv); 1242 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1243 struct drm_file *file_priv); 1244 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1245 struct drm_file *file_priv); 1246 int vmw_surface_gb_priv_define(struct drm_device *dev, 1247 uint32_t user_accounting_size, 1248 SVGA3dSurfaceAllFlags svga3d_flags, 1249 SVGA3dSurfaceFormat format, 1250 bool for_scanout, 1251 uint32_t num_mip_levels, 1252 uint32_t multisample_count, 1253 uint32_t array_size, 1254 struct drm_vmw_size size, 1255 SVGA3dMSPattern multisample_pattern, 1256 SVGA3dMSQualityLevel quality_level, 1257 struct vmw_surface **srf_out); 1258 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1259 void *data, 1260 struct drm_file *file_priv); 1261 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1262 void *data, 1263 struct drm_file *file_priv); 1264 1265 /* 1266 * Shader management - vmwgfx_shader.c 1267 */ 1268 1269 extern const struct vmw_user_resource_conv *user_shader_converter; 1270 1271 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1272 struct drm_file *file_priv); 1273 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1274 struct drm_file *file_priv); 1275 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1276 struct vmw_cmdbuf_res_manager *man, 1277 u32 user_key, const void *bytecode, 1278 SVGA3dShaderType shader_type, 1279 size_t size, 1280 struct list_head *list); 1281 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1282 u32 user_key, SVGA3dShaderType shader_type, 1283 struct list_head *list); 1284 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1285 struct vmw_resource *ctx, 1286 u32 user_key, 1287 SVGA3dShaderType shader_type, 1288 struct list_head *list); 1289 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1290 struct list_head *list, 1291 bool readback); 1292 1293 extern struct vmw_resource * 1294 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1295 u32 user_key, SVGA3dShaderType shader_type); 1296 1297 /* 1298 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1299 */ 1300 1301 extern struct vmw_cmdbuf_res_manager * 1302 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1303 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1304 extern size_t vmw_cmdbuf_res_man_size(void); 1305 extern struct vmw_resource * 1306 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1307 enum vmw_cmdbuf_res_type res_type, 1308 u32 user_key); 1309 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1310 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1311 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1312 enum vmw_cmdbuf_res_type res_type, 1313 u32 user_key, 1314 struct vmw_resource *res, 1315 struct list_head *list); 1316 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1317 enum vmw_cmdbuf_res_type res_type, 1318 u32 user_key, 1319 struct list_head *list, 1320 struct vmw_resource **res); 1321 1322 /* 1323 * COTable management - vmwgfx_cotable.c 1324 */ 1325 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1326 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1327 struct vmw_resource *ctx, 1328 u32 type); 1329 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1330 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1331 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1332 struct list_head *head); 1333 1334 /* 1335 * Command buffer managerment vmwgfx_cmdbuf.c 1336 */ 1337 struct vmw_cmdbuf_man; 1338 struct vmw_cmdbuf_header; 1339 1340 extern struct vmw_cmdbuf_man * 1341 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1342 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1343 size_t size, size_t default_size); 1344 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1345 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1346 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1347 unsigned long timeout); 1348 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1349 int ctx_id, bool interruptible, 1350 struct vmw_cmdbuf_header *header); 1351 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1352 struct vmw_cmdbuf_header *header, 1353 bool flush); 1354 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1355 size_t size, bool interruptible, 1356 struct vmw_cmdbuf_header **p_header); 1357 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1358 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1359 bool interruptible); 1360 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1361 1362 /* CPU blit utilities - vmwgfx_blit.c */ 1363 1364 /** 1365 * struct vmw_diff_cpy - CPU blit information structure 1366 * 1367 * @rect: The output bounding box rectangle. 1368 * @line: The current line of the blit. 1369 * @line_offset: Offset of the current line segment. 1370 * @cpp: Bytes per pixel (granularity information). 1371 * @memcpy: Which memcpy function to use. 1372 */ 1373 struct vmw_diff_cpy { 1374 struct drm_rect rect; 1375 size_t line; 1376 size_t line_offset; 1377 int cpp; 1378 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1379 size_t n); 1380 }; 1381 1382 #define VMW_CPU_BLIT_INITIALIZER { \ 1383 .do_cpy = vmw_memcpy, \ 1384 } 1385 1386 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1387 .line = 0, \ 1388 .line_offset = 0, \ 1389 .rect = { .x1 = INT_MAX/2, \ 1390 .y1 = INT_MAX/2, \ 1391 .x2 = INT_MIN/2, \ 1392 .y2 = INT_MIN/2 \ 1393 }, \ 1394 .cpp = _cpp, \ 1395 .do_cpy = vmw_diff_memcpy, \ 1396 } 1397 1398 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1399 size_t n); 1400 1401 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1402 1403 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1404 u32 dst_offset, u32 dst_stride, 1405 struct ttm_buffer_object *src, 1406 u32 src_offset, u32 src_stride, 1407 u32 w, u32 h, 1408 struct vmw_diff_cpy *diff); 1409 1410 /* Host messaging -vmwgfx_msg.c: */ 1411 int vmw_host_get_guestinfo(const char *guest_info_param, 1412 char *buffer, size_t *length); 1413 int vmw_host_log(const char *log); 1414 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1415 struct drm_file *file_priv); 1416 1417 /* VMW logging */ 1418 1419 /** 1420 * VMW_DEBUG_USER - Debug output for user-space debugging. 1421 * 1422 * @fmt: printf() like format string. 1423 * 1424 * This macro is for logging user-space error and debugging messages for e.g. 1425 * command buffer execution errors due to malformed commands, invalid context, 1426 * etc. 1427 */ 1428 #define VMW_DEBUG_USER(fmt, ...) \ 1429 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1430 1431 /* Resource dirtying - vmwgfx_page_dirty.c */ 1432 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1433 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1434 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1435 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1436 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1437 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1438 pgoff_t start, pgoff_t end); 1439 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1440 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1441 1442 /** 1443 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1444 * 1445 * This macro is for debugging vmwgfx mode-setting code. 1446 */ 1447 #define VMW_DEBUG_KMS(fmt, ...) \ 1448 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1449 1450 /** 1451 * Inline helper functions 1452 */ 1453 1454 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1455 { 1456 struct vmw_surface *tmp_srf = *srf; 1457 struct vmw_resource *res = &tmp_srf->res; 1458 *srf = NULL; 1459 1460 vmw_resource_unreference(&res); 1461 } 1462 1463 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1464 { 1465 (void) vmw_resource_reference(&srf->res); 1466 return srf; 1467 } 1468 1469 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1470 { 1471 struct vmw_buffer_object *tmp_buf = *buf; 1472 1473 *buf = NULL; 1474 if (tmp_buf != NULL) { 1475 ttm_bo_put(&tmp_buf->base); 1476 } 1477 } 1478 1479 static inline struct vmw_buffer_object * 1480 vmw_bo_reference(struct vmw_buffer_object *buf) 1481 { 1482 ttm_bo_get(&buf->base); 1483 return buf; 1484 } 1485 1486 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1487 { 1488 return &ttm_mem_glob; 1489 } 1490 1491 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1492 { 1493 atomic_inc(&dev_priv->num_fifo_resources); 1494 } 1495 1496 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1497 { 1498 atomic_dec(&dev_priv->num_fifo_resources); 1499 } 1500 1501 /** 1502 * vmw_mmio_read - Perform a MMIO read from volatile memory 1503 * 1504 * @addr: The address to read from 1505 * 1506 * This function is intended to be equivalent to ioread32() on 1507 * memremap'd memory, but without byteswapping. 1508 */ 1509 static inline u32 vmw_mmio_read(u32 *addr) 1510 { 1511 return READ_ONCE(*addr); 1512 } 1513 1514 /** 1515 * vmw_mmio_write - Perform a MMIO write to volatile memory 1516 * 1517 * @addr: The address to write to 1518 * 1519 * This function is intended to be equivalent to iowrite32 on 1520 * memremap'd memory, but without byteswapping. 1521 */ 1522 static inline void vmw_mmio_write(u32 value, u32 *addr) 1523 { 1524 WRITE_ONCE(*addr, value); 1525 } 1526 #endif 1527