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vmwgfx_drv.h
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linux-6.19.14/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
1/* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2/************************************************************************** 3 * 4 * Copyright (c) 2009-2025 Broadcom. All Rights Reserved. The term 5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. 6 * 7 **************************************************************************/ 8 9#ifndef _VMWGFX_DRV_H_ 10#define _VMWGFX_DRV_H_ 11 12#include <linux/suspend.h> 13#include <linux/sync_file.h> 14#include <linux/hashtable.h> 15 16#include <drm/drm_auth.h> 17#include <drm/drm_device.h> 18#include <drm/drm_file.h> 19#include <drm/drm_print.h> 20#include <drm/drm_rect.h> 21 22#include <drm/ttm/ttm_execbuf_util.h> 23#include <drm/ttm/ttm_tt.h> 24#include <drm/ttm/ttm_placement.h> 25#include <drm/ttm/ttm_bo.h> 26 27#include "ttm_object.h" 28 29#include "vmwgfx_fence.h" 30#include "vmwgfx_reg.h" 31#include "vmwgfx_validation.h" 32 33/* 34 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 35 * uapi headers should not depend on header files outside uapi/. 36 */ 37#include <drm/vmwgfx_drm.h> 38 39 40#define VMWGFX_DRIVER_NAME "vmwgfx" 41#define VMWGFX_DRIVER_MAJOR 2 42#define VMWGFX_DRIVER_MINOR 21 43#define VMWGFX_DRIVER_PATCHLEVEL 0 44#define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 45#define VMWGFX_NUM_DISPLAY_UNITS 8 46#define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 47 48#define VMWGFX_MIN_INITIAL_WIDTH 1280 49#define VMWGFX_MIN_INITIAL_HEIGHT 800 50 51#define VMWGFX_PCI_ID_SVGA2 0x0405 52#define VMWGFX_PCI_ID_SVGA3 0x0406 53 54/* 55 * This has to match get_count_order(SVGA_IRQFLAG_MAX) 56 */ 57#define VMWGFX_MAX_NUM_IRQS 6 58 59/* 60 * Perhaps we should have sysfs entries for these. 61 */ 62#define VMWGFX_NUM_GB_CONTEXT 256 63#define VMWGFX_NUM_GB_SHADER 20000 64#define VMWGFX_NUM_GB_SURFACE 32768 65#define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_NUM_DISPLAY_UNITS 66#define VMWGFX_NUM_DXCONTEXT 256 67#define VMWGFX_NUM_DXQUERY 512 68#define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 69 VMWGFX_NUM_GB_SHADER +\ 70 VMWGFX_NUM_GB_SURFACE +\ 71 VMWGFX_NUM_GB_SCREEN_TARGET) 72 73#define VMW_PL_GMR (TTM_PL_PRIV + 0) 74#define VMW_PL_MOB (TTM_PL_PRIV + 1) 75#define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 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#define VMW_RES_HT_ORDER 12 83 84#define MKSSTAT_CAPACITY_LOG2 5U 85#define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 86 87struct vmw_fpriv { 88 struct ttm_object_file *tfile; 89 bool gb_aware; /* user-space is guest-backed aware */ 90}; 91 92struct vmwgfx_hash_item { 93 struct hlist_node head; 94 unsigned long key; 95}; 96 97struct vmw_res_func; 98 99/** 100 * struct vmw-resource - base class for hardware resources 101 * 102 * @kref: For refcounting. 103 * @dev_priv: Pointer to the device private for this resource. Immutable. 104 * @id: Device id. Protected by @dev_priv::resource_lock. 105 * @guest_memory_size: Guest memory buffer size. Immutable. 106 * @res_dirty: Resource contains data not yet in the guest memory buffer. 107 * Protected by resource reserved. 108 * @guest_memory_dirty: Guest memory buffer contains data not yet in the HW 109 * resource. Protected by resource reserved. 110 * @coherent: Emulate coherency by tracking vm accesses. 111 * @guest_memory_bo: The guest memory buffer if any. Protected by resource 112 * reserved. 113 * @guest_memory_offset: Offset into the guest memory buffer if any. Protected 114 * by resource reserved. Note that only a few resource types can have a 115 * @guest_memory_offset different from zero. 116 * @pin_count: The pin count for this resource. A pinned resource has a 117 * pin-count greater than zero. It is not on the resource LRU lists and its 118 * guest memory buffer is pinned. Hence it can't be evicted. 119 * @func: Method vtable for this resource. Immutable. 120 * @mob_node; Node for the MOB guest memory rbtree. Protected by 121 * @guest_memory_bo reserved. 122 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 123 * @binding_head: List head for the context binding list. Protected by 124 * the @dev_priv::binding_mutex 125 * @res_free: The resource destructor. 126 * @hw_destroy: Callback to destroy the resource on the device, as part of 127 * resource destruction. 128 */ 129struct vmw_bo; 130struct vmw_bo; 131struct vmw_resource_dirty; 132struct vmw_resource { 133 struct kref kref; 134 struct vmw_private *dev_priv; 135 int id; 136 u32 used_prio; 137 unsigned long guest_memory_size; 138 u32 res_dirty : 1; 139 u32 guest_memory_dirty : 1; 140 u32 coherent : 1; 141 struct vmw_bo *guest_memory_bo; 142 unsigned long guest_memory_offset; 143 unsigned long pin_count; 144 const struct vmw_res_func *func; 145 struct rb_node mob_node; 146 struct list_head lru_head; 147 struct list_head binding_head; 148 struct vmw_resource_dirty *dirty; 149 void (*res_free) (struct vmw_resource *res); 150 void (*hw_destroy) (struct vmw_resource *res); 151}; 152 153 154/* 155 * Resources that are managed using ioctls. 156 */ 157enum vmw_res_type { 158 vmw_res_context, 159 vmw_res_surface, 160 vmw_res_stream, 161 vmw_res_shader, 162 vmw_res_dx_context, 163 vmw_res_cotable, 164 vmw_res_view, 165 vmw_res_streamoutput, 166 vmw_res_max 167}; 168 169/* 170 * Resources that are managed using command streams. 171 */ 172enum vmw_cmdbuf_res_type { 173 vmw_cmdbuf_res_shader, 174 vmw_cmdbuf_res_view, 175 vmw_cmdbuf_res_streamoutput 176}; 177 178struct vmw_cmdbuf_res_manager; 179 180struct vmw_cursor_snooper { 181 size_t id; 182 uint32_t *image; 183}; 184 185struct vmw_framebuffer; 186struct vmw_surface_offset; 187 188/** 189 * struct vmw_surface_metadata - Metadata describing a surface. 190 * 191 * @flags: Device flags. 192 * @format: Surface SVGA3D_x format. 193 * @mip_levels: Mip level for each face. For GB first index is used only. 194 * @multisample_count: Sample count. 195 * @multisample_pattern: Sample patterns. 196 * @quality_level: Quality level. 197 * @autogen_filter: Filter for automatically generated mipmaps. 198 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 199 texture number of faces * array_size. This should be 0 for pre 200 SM4 device. 201 * @buffer_byte_stride: Buffer byte stride. 202 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 203 * @base_size: Surface dimension. 204 * @sizes: Array representing mip sizes. Legacy only. 205 * @scanout: Whether this surface will be used for scanout. 206 * 207 * This tracks metadata for both legacy and guest backed surface. 208 */ 209struct vmw_surface_metadata { 210 u64 flags; 211 u32 format; 212 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 213 u32 multisample_count; 214 u32 multisample_pattern; 215 u32 quality_level; 216 u32 autogen_filter; 217 u32 array_size; 218 u32 num_sizes; 219 u32 buffer_byte_stride; 220 struct drm_vmw_size base_size; 221 struct drm_vmw_size *sizes; 222 bool scanout; 223}; 224 225/** 226 * struct vmw_surface: Resource structure for a surface. 227 * 228 * @res: The base resource for this surface. 229 * @metadata: Metadata for this surface resource. 230 * @snooper: Cursor data. Legacy surface only. 231 * @offsets: Legacy surface only. 232 * @view_list: List of views bound to this surface. 233 */ 234struct vmw_surface { 235 struct vmw_resource res; 236 struct vmw_surface_metadata metadata; 237 struct vmw_cursor_snooper snooper; 238 struct vmw_surface_offset *offsets; 239 struct list_head view_list; 240}; 241 242struct vmw_fifo_state { 243 unsigned long reserved_size; 244 u32 *dynamic_buffer; 245 u32 *static_buffer; 246 unsigned long static_buffer_size; 247 bool using_bounce_buffer; 248 uint32_t capabilities; 249 struct mutex fifo_mutex; 250 struct rw_semaphore rwsem; 251}; 252 253/** 254 * struct vmw_res_cache_entry - resource information cache entry 255 * @handle: User-space handle of a resource. 256 * @res: Non-ref-counted pointer to the resource. 257 * @valid_handle: Whether the @handle member is valid. 258 * @valid: Whether the entry is valid, which also implies that the execbuf 259 * code holds a reference to the resource, and it's placed on the 260 * validation list. 261 * 262 * Used to avoid frequent repeated user-space handle lookups of the 263 * same resource. 264 */ 265struct vmw_res_cache_entry { 266 uint32_t handle; 267 struct vmw_resource *res; 268 void *private; 269 unsigned short valid_handle; 270 unsigned short valid; 271}; 272 273/** 274 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 275 */ 276enum vmw_dma_map_mode { 277 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 278 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 279 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 280 vmw_dma_map_max 281}; 282 283/** 284 * struct vmw_sg_table - Scatter/gather table for binding, with additional 285 * device-specific information. 286 * 287 * @sgt: Pointer to a struct sg_table with binding information 288 * @num_regions: Number of regions with device-address contiguous pages 289 */ 290struct vmw_sg_table { 291 enum vmw_dma_map_mode mode; 292 struct page **pages; 293 const dma_addr_t *addrs; 294 struct sg_table *sgt; 295 unsigned long num_pages; 296}; 297 298/** 299 * struct vmw_piter - Page iterator that iterates over a list of pages 300 * and DMA addresses that could be either a scatter-gather list or 301 * arrays 302 * 303 * @pages: Array of page pointers to the pages. 304 * @addrs: DMA addresses to the pages if coherent pages are used. 305 * @iter: Scatter-gather page iterator. Current position in SG list. 306 * @i: Current position in arrays. 307 * @num_pages: Number of pages total. 308 * @next: Function to advance the iterator. Returns false if past the list 309 * of pages, true otherwise. 310 * @dma_address: Function to return the DMA address of the current page. 311 */ 312struct vmw_piter { 313 struct page **pages; 314 const dma_addr_t *addrs; 315 struct sg_dma_page_iter iter; 316 unsigned long i; 317 unsigned long num_pages; 318 bool (*next)(struct vmw_piter *); 319 dma_addr_t (*dma_address)(struct vmw_piter *); 320}; 321 322 323struct vmw_ttm_tt { 324 struct ttm_tt dma_ttm; 325 struct vmw_private *dev_priv; 326 int gmr_id; 327 struct vmw_mob *mob; 328 int mem_type; 329 struct sg_table sgt; 330 struct vmw_sg_table vsgt; 331 bool mapped; 332 bool bound; 333}; 334 335/* 336 * enum vmw_display_unit_type - Describes the display unit 337 */ 338enum vmw_display_unit_type { 339 vmw_du_invalid = 0, 340 vmw_du_legacy, 341 vmw_du_screen_object, 342 vmw_du_screen_target, 343 vmw_du_max 344}; 345 346struct vmw_validation_context; 347struct vmw_ctx_validation_info; 348 349/** 350 * struct vmw_sw_context - Command submission context 351 * @res_ht: Pointer hash table used to find validation duplicates 352 * @kernel: Whether the command buffer originates from kernel code rather 353 * than from user-space 354 * @fp: If @kernel is false, points to the file of the client. Otherwise 355 * NULL 356 * @cmd_bounce: Command bounce buffer used for command validation before 357 * copying to fifo space 358 * @cmd_bounce_size: Current command bounce buffer size 359 * @cur_query_bo: Current buffer object used as query result buffer 360 * @bo_relocations: List of buffer object relocations 361 * @res_relocations: List of resource relocations 362 * @buf_start: Pointer to start of memory where command validation takes 363 * place 364 * @res_cache: Cache of recently looked up resources 365 * @last_query_ctx: Last context that submitted a query 366 * @needs_post_query_barrier: Whether a query barrier is needed after 367 * command submission 368 * @staged_bindings: Cached per-context binding tracker 369 * @staged_bindings_inuse: Whether the cached per-context binding tracker 370 * is in use 371 * @staged_cmd_res: List of staged command buffer managed resources in this 372 * command buffer 373 * @ctx_list: List of context resources referenced in this command buffer 374 * @dx_ctx_node: Validation metadata of the current DX context 375 * @dx_query_mob: The MOB used for DX queries 376 * @dx_query_ctx: The DX context used for the last DX query 377 * @man: Pointer to the command buffer managed resource manager 378 * @ctx: The validation context 379 */ 380struct vmw_sw_context{ 381 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER); 382 bool kernel; 383 struct vmw_fpriv *fp; 384 struct drm_file *filp; 385 uint32_t *cmd_bounce; 386 uint32_t cmd_bounce_size; 387 struct vmw_bo *cur_query_bo; 388 struct list_head bo_relocations; 389 struct list_head res_relocations; 390 uint32_t *buf_start; 391 struct vmw_res_cache_entry res_cache[vmw_res_max]; 392 struct vmw_resource *last_query_ctx; 393 bool needs_post_query_barrier; 394 struct vmw_ctx_binding_state *staged_bindings; 395 bool staged_bindings_inuse; 396 struct list_head staged_cmd_res; 397 struct list_head ctx_list; 398 struct vmw_ctx_validation_info *dx_ctx_node; 399 struct vmw_bo *dx_query_mob; 400 struct vmw_resource *dx_query_ctx; 401 struct vmw_cmdbuf_res_manager *man; 402 struct vmw_validation_context *ctx; 403}; 404 405struct vmw_legacy_display; 406struct vmw_overlay; 407 408/* 409 * struct vmw_otable - Guest Memory OBject table metadata 410 * 411 * @size: Size of the table (page-aligned). 412 * @page_table: Pointer to a struct vmw_mob holding the page table. 413 */ 414struct vmw_otable { 415 unsigned long size; 416 struct vmw_mob *page_table; 417 bool enabled; 418}; 419 420struct vmw_otable_batch { 421 unsigned num_otables; 422 struct vmw_otable *otables; 423 struct vmw_resource *context; 424 struct vmw_bo *otable_bo; 425}; 426 427enum { 428 VMW_IRQTHREAD_FENCE, 429 VMW_IRQTHREAD_CMDBUF, 430 VMW_IRQTHREAD_MAX 431}; 432 433/** 434 * enum vmw_sm_type - Graphics context capability supported by device. 435 * @VMW_SM_LEGACY: Pre DX context. 436 * @VMW_SM_4: Context support upto SM4. 437 * @VMW_SM_4_1: Context support upto SM4_1. 438 * @VMW_SM_5: Context support up to SM5. 439 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 440 * @VMW_SM_MAX: Should be the last. 441 */ 442enum vmw_sm_type { 443 VMW_SM_LEGACY = 0, 444 VMW_SM_4, 445 VMW_SM_4_1, 446 VMW_SM_5, 447 VMW_SM_5_1X, 448 VMW_SM_MAX 449}; 450 451struct vmw_private { 452 struct drm_device drm; 453 struct ttm_device bdev; 454 455 u32 pci_id; 456 resource_size_t io_start; 457 resource_size_t vram_start; 458 resource_size_t vram_size; 459 resource_size_t max_primary_mem; 460 u32 __iomem *rmmio; 461 u32 *fifo_mem; 462 resource_size_t fifo_mem_size; 463 uint32_t fb_max_width; 464 uint32_t fb_max_height; 465 uint32_t texture_max_width; 466 uint32_t texture_max_height; 467 uint32_t stdu_max_width; 468 uint32_t stdu_max_height; 469 uint32_t initial_width; 470 uint32_t initial_height; 471 uint32_t capabilities; 472 uint32_t capabilities2; 473 uint32_t max_gmr_ids; 474 uint32_t max_gmr_pages; 475 uint32_t max_mob_pages; 476 uint32_t max_mob_size; 477 uint32_t memory_size; 478 bool has_gmr; 479 bool has_mob; 480 spinlock_t hw_lock; 481 bool assume_16bpp; 482 u32 irqs[VMWGFX_MAX_NUM_IRQS]; 483 u32 num_irq_vectors; 484 485 enum vmw_sm_type sm_type; 486 487 /* 488 * Framebuffer info. 489 */ 490 491 enum vmw_display_unit_type active_display_unit; 492 struct vmw_legacy_display *ldu_priv; 493 struct vmw_overlay *overlay_priv; 494 struct drm_property *hotplug_mode_update_property; 495 struct drm_property *implicit_placement_property; 496 spinlock_t cursor_lock; 497 struct drm_atomic_state *suspend_state; 498 499 /* 500 * Context and surface management. 501 */ 502 503 spinlock_t resource_lock; 504 struct idr res_idr[vmw_res_max]; 505 506 /* 507 * A resource manager for kernel-only surfaces and 508 * contexts. 509 */ 510 511 struct ttm_object_device *tdev; 512 513 /* 514 * Fencing and IRQs. 515 */ 516 517 atomic_t marker_seq; 518 wait_queue_head_t fence_queue; 519 wait_queue_head_t fifo_queue; 520 spinlock_t waiter_lock; 521 int fence_queue_waiters; /* Protected by waiter_lock */ 522 int goal_queue_waiters; /* Protected by waiter_lock */ 523 int cmdbuf_waiters; /* Protected by waiter_lock */ 524 int error_waiters; /* Protected by waiter_lock */ 525 int fifo_queue_waiters; /* Protected by waiter_lock */ 526 atomic_t last_read_seqno; 527 struct vmw_fence_manager *fman; 528 uint32_t irq_mask; /* Updates protected by waiter_lock */ 529 530 /* 531 * Device state 532 */ 533 534 uint32_t traces_state; 535 uint32_t enable_state; 536 uint32_t config_done_state; 537 538 /** 539 * Execbuf 540 */ 541 /** 542 * Protected by the cmdbuf mutex. 543 */ 544 545 struct vmw_sw_context ctx; 546 struct mutex cmdbuf_mutex; 547 struct mutex binding_mutex; 548 549 /** 550 * PM management. 551 */ 552 struct notifier_block pm_nb; 553 bool refuse_hibernation; 554 bool suspend_locked; 555 556 atomic_t num_fifo_resources; 557 558 /* 559 * Query processing. These members 560 * are protected by the cmdbuf mutex. 561 */ 562 563 struct vmw_bo *dummy_query_bo; 564 struct vmw_bo *pinned_bo; 565 uint32_t query_cid; 566 uint32_t query_cid_valid; 567 bool dummy_query_bo_pinned; 568 569 /* 570 * Surface swapping. The "surface_lru" list is protected by the 571 * resource lock in order to be able to destroy a surface and take 572 * it off the lru atomically. "used_memory_size" is currently 573 * protected by the cmdbuf mutex for simplicity. 574 */ 575 576 struct list_head res_lru[vmw_res_max]; 577 uint32_t used_memory_size; 578 579 /* 580 * DMA mapping stuff. 581 */ 582 enum vmw_dma_map_mode map_mode; 583 584 /* 585 * Guest Backed stuff 586 */ 587 struct vmw_otable_batch otable_batch; 588 589 struct vmw_fifo_state *fifo; 590 struct vmw_cmdbuf_man *cman; 591 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 592 593 uint32 *devcaps; 594 595 bool vkms_enabled; 596 struct workqueue_struct *crc_workq; 597 598 /* 599 * mksGuestStat instance-descriptor and pid arrays 600 */ 601 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 602 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 603 604#if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 605 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 606 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 607 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 608#endif 609}; 610 611static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 612{ 613 return container_of(res, struct vmw_surface, res); 614} 615 616static inline struct vmw_private *vmw_priv(struct drm_device *dev) 617{ 618 return container_of(dev, struct vmw_private, drm); 619} 620 621static inline struct vmw_private *vmw_priv_from_ttm(struct ttm_device *bdev) 622{ 623 return container_of(bdev, struct vmw_private, bdev); 624} 625 626static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 627{ 628 return (struct vmw_fpriv *)file_priv->driver_priv; 629} 630 631/* 632 * SVGA v3 has mmio register access and lacks fifo cmds 633 */ 634static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 635{ 636 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 637} 638 639/* 640 * The locking here is fine-grained, so that it is performed once 641 * for every read- and write operation. This is of course costly, but we 642 * don't perform much register access in the timing critical paths anyway. 643 * Instead we have the extra benefit of being sure that we don't forget 644 * the hw lock around register accesses. 645 */ 646static inline void vmw_write(struct vmw_private *dev_priv, 647 unsigned int offset, uint32_t value) 648{ 649 if (vmw_is_svga_v3(dev_priv)) { 650 iowrite32(value, dev_priv->rmmio + offset); 651 } else { 652 spin_lock(&dev_priv->hw_lock); 653 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 654 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 655 spin_unlock(&dev_priv->hw_lock); 656 } 657} 658 659static inline uint32_t vmw_read(struct vmw_private *dev_priv, 660 unsigned int offset) 661{ 662 u32 val; 663 664 if (vmw_is_svga_v3(dev_priv)) { 665 val = ioread32(dev_priv->rmmio + offset); 666 } else { 667 spin_lock(&dev_priv->hw_lock); 668 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 669 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 670 spin_unlock(&dev_priv->hw_lock); 671 } 672 673 return val; 674} 675 676/** 677 * has_sm4_context - Does the device support SM4 context. 678 * @dev_priv: Device private. 679 * 680 * Return: Bool value if device support SM4 context or not. 681 */ 682static inline bool has_sm4_context(const struct vmw_private *dev_priv) 683{ 684 return (dev_priv->sm_type >= VMW_SM_4); 685} 686 687/** 688 * has_sm4_1_context - Does the device support SM4_1 context. 689 * @dev_priv: Device private. 690 * 691 * Return: Bool value if device support SM4_1 context or not. 692 */ 693static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 694{ 695 return (dev_priv->sm_type >= VMW_SM_4_1); 696} 697 698/** 699 * has_sm5_context - Does the device support SM5 context. 700 * @dev_priv: Device private. 701 * 702 * Return: Bool value if device support SM5 context or not. 703 */ 704static inline bool has_sm5_context(const struct vmw_private *dev_priv) 705{ 706 return (dev_priv->sm_type >= VMW_SM_5); 707} 708 709/** 710 * has_gl43_context - Does the device support GL43 context. 711 * @dev_priv: Device private. 712 * 713 * Return: Bool value if device support SM5 context or not. 714 */ 715static inline bool has_gl43_context(const struct vmw_private *dev_priv) 716{ 717 return (dev_priv->sm_type >= VMW_SM_5_1X); 718} 719 720 721static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 722{ 723 return (has_gl43_context(dev_priv) ? 724 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 725} 726 727extern void vmw_svga_enable(struct vmw_private *dev_priv); 728extern void vmw_svga_disable(struct vmw_private *dev_priv); 729bool vmwgfx_supported(struct vmw_private *vmw); 730 731 732/** 733 * GMR utilities - vmwgfx_gmr.c 734 */ 735 736extern int vmw_gmr_bind(struct vmw_private *dev_priv, 737 const struct vmw_sg_table *vsgt, 738 unsigned long num_pages, 739 int gmr_id); 740extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 741 742/** 743 * User handles 744 */ 745struct vmw_user_object { 746 struct vmw_surface *surface; 747 struct vmw_bo *buffer; 748}; 749 750int vmw_user_object_lookup(struct vmw_private *dev_priv, struct drm_file *filp, 751 u32 handle, struct vmw_user_object *uo); 752struct vmw_user_object *vmw_user_object_ref(struct vmw_user_object *uo); 753void vmw_user_object_unref(struct vmw_user_object *uo); 754bool vmw_user_object_is_null(struct vmw_user_object *uo); 755struct vmw_surface *vmw_user_object_surface(struct vmw_user_object *uo); 756struct vmw_bo *vmw_user_object_buffer(struct vmw_user_object *uo); 757void *vmw_user_object_map(struct vmw_user_object *uo); 758void *vmw_user_object_map_size(struct vmw_user_object *uo, size_t size); 759void vmw_user_object_unmap(struct vmw_user_object *uo); 760bool vmw_user_object_is_mapped(struct vmw_user_object *uo); 761 762/** 763 * Resource utilities - vmwgfx_resource.c 764 */ 765struct vmw_user_resource_conv; 766 767extern void vmw_resource_unreference(struct vmw_resource **p_res); 768extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 769extern struct vmw_resource * 770vmw_resource_reference_unless_doomed(struct vmw_resource *res); 771extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 772 bool dirtying); 773extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 774 bool no_backup); 775extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 776extern int vmw_user_resource_lookup_handle( 777 struct vmw_private *dev_priv, 778 struct ttm_object_file *tfile, 779 uint32_t handle, 780 const struct vmw_user_resource_conv *converter, 781 struct vmw_resource **p_res); 782 783extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 784 struct drm_file *file_priv); 785extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 786 struct drm_file *file_priv); 787extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 788 struct ttm_object_file *tfile, 789 uint32_t *inout_id, 790 struct vmw_resource **out); 791extern void vmw_resource_unreserve(struct vmw_resource *res, 792 bool dirty_set, 793 bool dirty, 794 bool switch_guest_memory, 795 struct vmw_bo *new_guest_memory, 796 unsigned long new_guest_memory_offset); 797extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 798 struct ttm_resource *old_mem, 799 struct ttm_resource *new_mem); 800int vmw_query_readback_all(struct vmw_bo *dx_query_mob); 801void vmw_resource_evict_all(struct vmw_private *dev_priv); 802void vmw_resource_unbind_list(struct vmw_bo *vbo); 803void vmw_resource_mob_attach(struct vmw_resource *res); 804void vmw_resource_mob_detach(struct vmw_resource *res); 805void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 806 pgoff_t end); 807int vmw_resource_clean(struct vmw_resource *res); 808int vmw_resources_clean(struct vmw_bo *vbo, pgoff_t start, 809 pgoff_t end, pgoff_t *num_prefault); 810 811/** 812 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 813 * @res: The resource 814 * 815 * Return: true if the resource has a mob attached, false otherwise. 816 */ 817static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 818{ 819 return !RB_EMPTY_NODE(&res->mob_node); 820} 821 822/** 823 * GEM related functionality - vmwgfx_gem.c 824 */ 825struct vmw_bo_params; 826extern const struct drm_gem_object_funcs vmw_gem_object_funcs; 827extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 828 struct drm_file *filp, 829 uint32_t size, 830 uint32_t *handle, 831 struct vmw_bo **p_vbo); 832extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 833 struct drm_file *filp); 834extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 835 836/** 837 * Misc Ioctl functionality - vmwgfx_ioctl.c 838 */ 839 840extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 841 struct drm_file *file_priv); 842extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 843 struct drm_file *file_priv); 844extern int vmw_present_ioctl(struct drm_device *dev, void *data, 845 struct drm_file *file_priv); 846extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 847 struct drm_file *file_priv); 848 849/** 850 * Fifo utilities - vmwgfx_fifo.c 851 */ 852 853extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 854extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 855extern bool vmw_cmd_supported(struct vmw_private *vmw); 856extern void * 857vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 858extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 859extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 860extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 861extern bool vmw_supports_3d(struct vmw_private *dev_priv); 862extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 863extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 864extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 865 uint32_t cid); 866extern int vmw_cmd_flush(struct vmw_private *dev_priv, 867 bool interruptible); 868 869#define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 870({ \ 871 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 872 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 873 __func__, (unsigned int) __bytes); \ 874 NULL; \ 875 }); \ 876}) 877 878#define VMW_CMD_RESERVE(__priv, __bytes) \ 879 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 880 881 882/** 883 * vmw_fifo_caps - Returns the capabilities of the FIFO command 884 * queue or 0 if fifo memory isn't present. 885 * @dev_priv: The device private context 886 */ 887static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 888{ 889 if (!dev_priv->fifo_mem || !dev_priv->fifo) 890 return 0; 891 return dev_priv->fifo->capabilities; 892} 893 894 895/** 896 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 897 * is enabled in the FIFO. 898 * @dev_priv: The device private context 899 */ 900static inline bool 901vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 902{ 903 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 904} 905 906/** 907 * TTM buffer object driver - vmwgfx_ttm_buffer.c 908 */ 909 910extern const size_t vmw_tt_size; 911extern struct ttm_placement vmw_vram_placement; 912extern struct ttm_placement vmw_sys_placement; 913extern struct ttm_device_funcs vmw_bo_driver; 914extern const struct vmw_sg_table * 915vmw_bo_sg_table(struct ttm_buffer_object *bo); 916int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 917 size_t bo_size, 918 u32 domain, 919 struct vmw_bo **bo_p); 920 921extern void vmw_piter_start(struct vmw_piter *viter, 922 const struct vmw_sg_table *vsgt, 923 unsigned long p_offs); 924 925/** 926 * vmw_piter_next - Advance the iterator one page. 927 * 928 * @viter: Pointer to the iterator to advance. 929 * 930 * Returns false if past the list of pages, true otherwise. 931 */ 932static inline bool vmw_piter_next(struct vmw_piter *viter) 933{ 934 return viter->next(viter); 935} 936 937/** 938 * vmw_piter_dma_addr - Return the DMA address of the current page. 939 * 940 * @viter: Pointer to the iterator 941 * 942 * Returns the DMA address of the page pointed to by @viter. 943 */ 944static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 945{ 946 return viter->dma_address(viter); 947} 948 949/** 950 * vmw_piter_page - Return a pointer to the current page. 951 * 952 * @viter: Pointer to the iterator 953 * 954 * Returns the DMA address of the page pointed to by @viter. 955 */ 956static inline struct page *vmw_piter_page(struct vmw_piter *viter) 957{ 958 return viter->pages[viter->i]; 959} 960 961/** 962 * Command submission - vmwgfx_execbuf.c 963 */ 964 965extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 966 struct drm_file *file_priv); 967extern int vmw_execbuf_process(struct drm_file *file_priv, 968 struct vmw_private *dev_priv, 969 void __user *user_commands, 970 void *kernel_commands, 971 uint32_t command_size, 972 uint64_t throttle_us, 973 uint32_t dx_context_handle, 974 struct drm_vmw_fence_rep __user 975 *user_fence_rep, 976 struct vmw_fence_obj **out_fence, 977 uint32_t flags); 978extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 979 struct vmw_fence_obj *fence); 980extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 981 982extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 983 struct vmw_private *dev_priv, 984 struct vmw_fence_obj **p_fence, 985 uint32_t *p_handle); 986extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 987 struct vmw_fpriv *vmw_fp, 988 int ret, 989 struct drm_vmw_fence_rep __user 990 *user_fence_rep, 991 struct vmw_fence_obj *fence, 992 uint32_t fence_handle, 993 int32_t out_fence_fd); 994bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 995 996/** 997 * IRQs and wating - vmwgfx_irq.c 998 */ 999 1000extern int vmw_irq_install(struct vmw_private *dev_priv); 1001extern void vmw_irq_uninstall(struct drm_device *dev); 1002extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1003 uint32_t seqno); 1004extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1005 bool lazy, 1006 bool fifo_idle, 1007 uint32_t seqno, 1008 bool interruptible, 1009 unsigned long timeout); 1010bool vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1011bool vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1012bool vmw_goal_waiter_add(struct vmw_private *dev_priv); 1013bool vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1014bool vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1015 int *waiter_count); 1016bool vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1017 u32 flag, int *waiter_count); 1018 1019/** 1020 * Kernel modesetting - vmwgfx_kms.c 1021 */ 1022 1023int vmw_kms_init(struct vmw_private *dev_priv); 1024int vmw_kms_close(struct vmw_private *dev_priv); 1025int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1026 struct drm_file *file_priv); 1027void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1028 struct ttm_object_file *tfile, 1029 struct ttm_buffer_object *bo, 1030 SVGA3dCmdHeader *header); 1031int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1032 unsigned width, unsigned height, unsigned pitch, 1033 unsigned bpp, unsigned depth); 1034int vmw_kms_present(struct vmw_private *dev_priv, 1035 struct drm_file *file_priv, 1036 struct vmw_framebuffer *vfb, 1037 struct vmw_surface *surface, 1038 uint32_t sid, int32_t destX, int32_t destY, 1039 struct drm_vmw_rect *clips, 1040 uint32_t num_clips); 1041int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1042 struct drm_file *file_priv); 1043int vmw_kms_suspend(struct drm_device *dev); 1044int vmw_kms_resume(struct drm_device *dev); 1045void vmw_kms_lost_device(struct drm_device *dev); 1046 1047extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1048extern void vmw_resource_unpin(struct vmw_resource *res); 1049extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1050 1051/** 1052 * Overlay control - vmwgfx_overlay.c 1053 */ 1054 1055int vmw_overlay_init(struct vmw_private *dev_priv); 1056int vmw_overlay_close(struct vmw_private *dev_priv); 1057int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1058 struct drm_file *file_priv); 1059int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1060int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1061int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1062int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1063int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1064int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1065 1066/** 1067 * GMR Id manager 1068 */ 1069 1070int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1071void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1072 1073/** 1074 * System memory manager 1075 */ 1076int vmw_sys_man_init(struct vmw_private *dev_priv); 1077void vmw_sys_man_fini(struct vmw_private *dev_priv); 1078 1079/** 1080 * Prime - vmwgfx_prime.c 1081 */ 1082 1083extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1084extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1085 struct drm_file *file_priv, 1086 int fd, u32 *handle); 1087extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1088 struct drm_file *file_priv, 1089 uint32_t handle, uint32_t flags, 1090 int *prime_fd); 1091struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev, 1092 struct dma_buf_attachment *attach, 1093 struct sg_table *table); 1094 1095/* 1096 * MemoryOBject management - vmwgfx_mob.c 1097 */ 1098struct vmw_mob; 1099extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1100 const struct vmw_sg_table *vsgt, 1101 unsigned long num_data_pages, int32_t mob_id); 1102extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1103 struct vmw_mob *mob); 1104extern void vmw_mob_destroy(struct vmw_mob *mob); 1105extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1106extern int vmw_otables_setup(struct vmw_private *dev_priv); 1107extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1108 1109/* 1110 * Context management - vmwgfx_context.c 1111 */ 1112 1113extern const struct vmw_user_resource_conv *user_context_converter; 1114 1115extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1116 struct drm_file *file_priv); 1117extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1118 struct drm_file *file_priv); 1119extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1120 struct drm_file *file_priv); 1121extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1122extern struct vmw_cmdbuf_res_manager * 1123vmw_context_res_man(struct vmw_resource *ctx); 1124extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1125 SVGACOTableType cotable_type); 1126struct vmw_ctx_binding_state; 1127extern struct vmw_ctx_binding_state * 1128vmw_context_binding_state(struct vmw_resource *ctx); 1129extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1130 bool readback); 1131extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1132 struct vmw_bo *mob); 1133extern struct vmw_bo * 1134vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1135 1136 1137/* 1138 * Surface management - vmwgfx_surface.c 1139 */ 1140 1141extern const struct vmw_user_resource_conv *user_surface_converter; 1142 1143extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1144 struct drm_file *file_priv); 1145extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1146 struct drm_file *file_priv); 1147extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1148 struct drm_file *file_priv); 1149extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1150 struct drm_file *file_priv); 1151extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1152 struct drm_file *file_priv); 1153extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1154 void *data, 1155 struct drm_file *file_priv); 1156extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1157 void *data, 1158 struct drm_file *file_priv); 1159 1160int vmw_gb_surface_define(struct vmw_private *dev_priv, 1161 const struct vmw_surface_metadata *req, 1162 struct vmw_surface **srf_out); 1163struct vmw_surface *vmw_lookup_surface_for_buffer(struct vmw_private *vmw, 1164 struct vmw_bo *bo, 1165 u32 handle); 1166u32 vmw_lookup_surface_handle_for_buffer(struct vmw_private *vmw, 1167 struct vmw_bo *bo, 1168 u32 handle); 1169int vmw_dumb_create(struct drm_file *file_priv, 1170 struct drm_device *dev, 1171 struct drm_mode_create_dumb *args); 1172 1173/* 1174 * Shader management - vmwgfx_shader.c 1175 */ 1176 1177extern const struct vmw_user_resource_conv *user_shader_converter; 1178 1179extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1182 struct drm_file *file_priv); 1183extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1184 struct vmw_cmdbuf_res_manager *man, 1185 u32 user_key, const void *bytecode, 1186 SVGA3dShaderType shader_type, 1187 size_t size, 1188 struct list_head *list); 1189extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1190 u32 user_key, SVGA3dShaderType shader_type, 1191 struct list_head *list); 1192extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1193 struct vmw_resource *ctx, 1194 u32 user_key, 1195 SVGA3dShaderType shader_type, 1196 struct list_head *list); 1197extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1198 struct list_head *list, 1199 bool readback); 1200 1201extern struct vmw_resource * 1202vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1203 u32 user_key, SVGA3dShaderType shader_type); 1204 1205/* 1206 * Streamoutput management 1207 */ 1208struct vmw_resource * 1209vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1210 u32 user_key); 1211int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1212 struct vmw_resource *ctx, 1213 SVGA3dStreamOutputId user_key, 1214 struct list_head *list); 1215void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1216int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1217 SVGA3dStreamOutputId user_key, 1218 struct list_head *list); 1219void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1220 struct list_head *list, 1221 bool readback); 1222 1223/* 1224 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1225 */ 1226 1227extern struct vmw_cmdbuf_res_manager * 1228vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1229extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1230extern struct vmw_resource * 1231vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1232 enum vmw_cmdbuf_res_type res_type, 1233 u32 user_key); 1234extern void vmw_cmdbuf_res_revert(struct list_head *list); 1235extern void vmw_cmdbuf_res_commit(struct list_head *list); 1236extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1237 enum vmw_cmdbuf_res_type res_type, 1238 u32 user_key, 1239 struct vmw_resource *res, 1240 struct list_head *list); 1241extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1242 enum vmw_cmdbuf_res_type res_type, 1243 u32 user_key, 1244 struct list_head *list, 1245 struct vmw_resource **res); 1246 1247/* 1248 * COTable management - vmwgfx_cotable.c 1249 */ 1250extern const SVGACOTableType vmw_cotable_scrub_order[]; 1251extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1252 struct vmw_resource *ctx, 1253 u32 type); 1254extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1255extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1256extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1257 struct list_head *head); 1258 1259/* 1260 * Command buffer managerment vmwgfx_cmdbuf.c 1261 */ 1262struct vmw_cmdbuf_man; 1263struct vmw_cmdbuf_header; 1264 1265extern struct vmw_cmdbuf_man * 1266vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1267extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1268extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1269extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1270extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1271 unsigned long timeout); 1272extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1273 int ctx_id, bool interruptible, 1274 struct vmw_cmdbuf_header *header); 1275extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1276 struct vmw_cmdbuf_header *header, 1277 bool flush); 1278extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1279 size_t size, bool interruptible, 1280 struct vmw_cmdbuf_header **p_header); 1281extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1282extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1283 bool interruptible); 1284extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1285 1286/* CPU blit utilities - vmwgfx_blit.c */ 1287 1288/** 1289 * struct vmw_diff_cpy - CPU blit information structure 1290 * 1291 * @rect: The output bounding box rectangle. 1292 * @line: The current line of the blit. 1293 * @line_offset: Offset of the current line segment. 1294 * @cpp: Bytes per pixel (granularity information). 1295 * @memcpy: Which memcpy function to use. 1296 */ 1297struct vmw_diff_cpy { 1298 struct drm_rect rect; 1299 size_t line; 1300 size_t line_offset; 1301 int cpp; 1302 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1303 size_t n); 1304}; 1305 1306#define VMW_CPU_BLIT_INITIALIZER { \ 1307 .do_cpy = vmw_memcpy, \ 1308} 1309 1310#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1311 .line = 0, \ 1312 .line_offset = 0, \ 1313 .rect = { .x1 = INT_MAX/2, \ 1314 .y1 = INT_MAX/2, \ 1315 .x2 = INT_MIN/2, \ 1316 .y2 = INT_MIN/2 \ 1317 }, \ 1318 .cpp = _cpp, \ 1319 .do_cpy = vmw_diff_memcpy, \ 1320} 1321 1322void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1323 size_t n); 1324 1325void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1326 1327int vmw_bo_cpu_blit(struct vmw_bo *dst, 1328 u32 dst_offset, u32 dst_stride, 1329 struct vmw_bo *src, 1330 u32 src_offset, u32 src_stride, 1331 u32 w, u32 h, 1332 struct vmw_diff_cpy *diff); 1333 1334/* Host messaging -vmwgfx_msg.c: */ 1335void vmw_disable_backdoor(void); 1336int vmw_host_get_guestinfo(const char *guest_info_param, 1337 char *buffer, size_t *length); 1338__printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1339int vmw_msg_ioctl(struct drm_device *dev, void *data, 1340 struct drm_file *file_priv); 1341 1342/* Host mksGuestStats -vmwgfx_msg.c: */ 1343int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1344 1345int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1346 struct drm_file *file_priv); 1347int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1348 struct drm_file *file_priv); 1349int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1350 struct drm_file *file_priv); 1351int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1352 1353/* VMW logging */ 1354 1355/** 1356 * VMW_DEBUG_USER - Debug output for user-space debugging. 1357 * 1358 * @fmt: printf() like format string. 1359 * 1360 * This macro is for logging user-space error and debugging messages for e.g. 1361 * command buffer execution errors due to malformed commands, invalid context, 1362 * etc. 1363 */ 1364#define VMW_DEBUG_USER(fmt, ...) \ 1365 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1366 1367/* Resource dirtying - vmwgfx_page_dirty.c */ 1368bool vmw_bo_is_dirty(struct vmw_bo *vbo); 1369void vmw_bo_dirty_scan(struct vmw_bo *vbo); 1370int vmw_bo_dirty_add(struct vmw_bo *vbo); 1371void vmw_bo_dirty_clear(struct vmw_bo *vbo); 1372void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1373void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1374void vmw_bo_dirty_release(struct vmw_bo *vbo); 1375void vmw_bo_dirty_unmap(struct vmw_bo *vbo, 1376 pgoff_t start, pgoff_t end); 1377vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1378vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1379 1380 1381/** 1382 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1383 * 1384 * This macro is for debugging vmwgfx mode-setting code. 1385 */ 1386#define VMW_DEBUG_KMS(fmt, ...) \ 1387 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1388 1389/** 1390 * Inline helper functions 1391 */ 1392 1393static inline void vmw_surface_unreference(struct vmw_surface **srf) 1394{ 1395 struct vmw_surface *tmp_srf = *srf; 1396 struct vmw_resource *res = &tmp_srf->res; 1397 *srf = NULL; 1398 1399 vmw_resource_unreference(&res); 1400} 1401 1402static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1403{ 1404 (void) vmw_resource_reference(&srf->res); 1405 return srf; 1406} 1407 1408static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1409{ 1410 atomic_inc(&dev_priv->num_fifo_resources); 1411} 1412 1413static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1414{ 1415 atomic_dec(&dev_priv->num_fifo_resources); 1416} 1417 1418/** 1419 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1420 * 1421 * @fifo_reg: The fifo register to read from 1422 * 1423 * This function is intended to be equivalent to ioread32() on 1424 * memremap'd memory, but without byteswapping. 1425 */ 1426static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1427{ 1428 BUG_ON(vmw_is_svga_v3(vmw)); 1429 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1430} 1431 1432/** 1433 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1434 * 1435 * @addr: The fifo register to write to 1436 * 1437 * This function is intended to be equivalent to iowrite32 on 1438 * memremap'd memory, but without byteswapping. 1439 */ 1440static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1441 u32 value) 1442{ 1443 BUG_ON(vmw_is_svga_v3(vmw)); 1444 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1445} 1446 1447static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1448{ 1449 u32 fence; 1450 if (vmw_is_svga_v3(dev_priv)) 1451 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1452 else 1453 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1454 return fence; 1455} 1456 1457static inline void vmw_fence_write(struct vmw_private *dev_priv, 1458 u32 fence) 1459{ 1460 BUG_ON(vmw_is_svga_v3(dev_priv)); 1461 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1462} 1463 1464static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1465{ 1466 u32 status; 1467 if (vmw_is_svga_v3(vmw)) 1468 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1469 else 1470 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1471 return status; 1472} 1473 1474static inline void vmw_irq_status_write(struct vmw_private *vmw, 1475 uint32 status) 1476{ 1477 if (vmw_is_svga_v3(vmw)) 1478 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1479 else 1480 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1481} 1482 1483static inline bool vmw_has_fences(struct vmw_private *vmw) 1484{ 1485 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1486 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1487 return true; 1488 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1489} 1490 1491static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model, 1492 u32 shader_type) 1493{ 1494 SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX; 1495 1496 if (shader_model >= VMW_SM_5) 1497 max_allowed = SVGA3D_SHADERTYPE_MAX; 1498 else if (shader_model >= VMW_SM_4) 1499 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX; 1500 return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed; 1501} 1502 1503#endif
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