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 18 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_MOB (TTM_PL_PRIV + 1) 86 87#define VMW_RES_CONTEXT ttm_driver_type0 88#define VMW_RES_SURFACE ttm_driver_type1 89#define VMW_RES_STREAM ttm_driver_type2 90#define VMW_RES_FENCE ttm_driver_type3 91#define VMW_RES_SHADER ttm_driver_type4 92 93struct vmw_fpriv { 94 struct ttm_object_file *tfile; 95 bool gb_aware; /* user-space is guest-backed aware */ 96}; 97 98/** 99 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 100 * @base: The TTM buffer object 101 * @res_tree: RB tree of resources using this buffer object as a backing MOB 102 * @pin_count: pin depth 103 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 104 * increased. May be decreased without reservation. 105 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 106 * @map: Kmap object for semi-persistent mappings 107 * @res_prios: Eviction priority counts for attached resources 108 * @dirty: structure for user-space dirty-tracking 109 */ 110struct vmw_buffer_object { 111 struct ttm_buffer_object base; 112 struct rb_root res_tree; 113 s32 pin_count; 114 atomic_t cpu_writers; 115 /* Not ref-counted. Protected by binding_mutex */ 116 struct vmw_resource *dx_query_ctx; 117 /* Protected by reservation */ 118 struct ttm_bo_kmap_obj map; 119 u32 res_prios[TTM_MAX_BO_PRIORITY]; 120 struct vmw_bo_dirty *dirty; 121}; 122 123/** 124 * struct vmw_validate_buffer - Carries validation info about buffers. 125 * 126 * @base: Validation info for TTM. 127 * @hash: Hash entry for quick lookup of the TTM buffer object. 128 * 129 * This structure contains also driver private validation info 130 * on top of the info needed by TTM. 131 */ 132struct vmw_validate_buffer { 133 struct ttm_validate_buffer base; 134 struct drm_hash_item hash; 135 bool validate_as_mob; 136}; 137 138struct vmw_res_func; 139 140 141/** 142 * struct vmw-resource - base class for hardware resources 143 * 144 * @kref: For refcounting. 145 * @dev_priv: Pointer to the device private for this resource. Immutable. 146 * @id: Device id. Protected by @dev_priv::resource_lock. 147 * @backup_size: Backup buffer size. Immutable. 148 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 149 * by resource reserved. 150 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 151 * Protected by resource reserved. 152 * @coherent: Emulate coherency by tracking vm accesses. 153 * @backup: The backup buffer if any. Protected by resource reserved. 154 * @backup_offset: Offset into the backup buffer if any. Protected by resource 155 * reserved. Note that only a few resource types can have a @backup_offset 156 * different from zero. 157 * @pin_count: The pin count for this resource. A pinned resource has a 158 * pin-count greater than zero. It is not on the resource LRU lists and its 159 * backup buffer is pinned. Hence it can't be evicted. 160 * @func: Method vtable for this resource. Immutable. 161 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 162 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 163 * @binding_head: List head for the context binding list. Protected by 164 * the @dev_priv::binding_mutex 165 * @res_free: The resource destructor. 166 * @hw_destroy: Callback to destroy the resource on the device, as part of 167 * resource destruction. 168 */ 169struct vmw_resource_dirty; 170struct vmw_resource { 171 struct kref kref; 172 struct vmw_private *dev_priv; 173 int id; 174 u32 used_prio; 175 unsigned long backup_size; 176 u32 res_dirty : 1; 177 u32 backup_dirty : 1; 178 u32 coherent : 1; 179 struct vmw_buffer_object *backup; 180 unsigned long backup_offset; 181 unsigned long pin_count; 182 const struct vmw_res_func *func; 183 struct rb_node mob_node; 184 struct list_head lru_head; 185 struct list_head binding_head; 186 struct vmw_resource_dirty *dirty; 187 void (*res_free) (struct vmw_resource *res); 188 void (*hw_destroy) (struct vmw_resource *res); 189}; 190 191 192/* 193 * Resources that are managed using ioctls. 194 */ 195enum vmw_res_type { 196 vmw_res_context, 197 vmw_res_surface, 198 vmw_res_stream, 199 vmw_res_shader, 200 vmw_res_dx_context, 201 vmw_res_cotable, 202 vmw_res_view, 203 vmw_res_streamoutput, 204 vmw_res_max 205}; 206 207/* 208 * Resources that are managed using command streams. 209 */ 210enum vmw_cmdbuf_res_type { 211 vmw_cmdbuf_res_shader, 212 vmw_cmdbuf_res_view, 213 vmw_cmdbuf_res_streamoutput 214}; 215 216struct vmw_cmdbuf_res_manager; 217 218struct vmw_cursor_snooper { 219 size_t age; 220 uint32_t *image; 221}; 222 223struct vmw_framebuffer; 224struct vmw_surface_offset; 225 226/** 227 * struct vmw_surface_metadata - Metadata describing a surface. 228 * 229 * @flags: Device flags. 230 * @format: Surface SVGA3D_x format. 231 * @mip_levels: Mip level for each face. For GB first index is used only. 232 * @multisample_count: Sample count. 233 * @multisample_pattern: Sample patterns. 234 * @quality_level: Quality level. 235 * @autogen_filter: Filter for automatically generated mipmaps. 236 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 237 texture number of faces * array_size. This should be 0 for pre 238 SM4 device. 239 * @buffer_byte_stride: Buffer byte stride. 240 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 241 * @base_size: Surface dimension. 242 * @sizes: Array representing mip sizes. Legacy only. 243 * @scanout: Whether this surface will be used for scanout. 244 * 245 * This tracks metadata for both legacy and guest backed surface. 246 */ 247struct vmw_surface_metadata { 248 u64 flags; 249 u32 format; 250 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 251 u32 multisample_count; 252 u32 multisample_pattern; 253 u32 quality_level; 254 u32 autogen_filter; 255 u32 array_size; 256 u32 num_sizes; 257 u32 buffer_byte_stride; 258 struct drm_vmw_size base_size; 259 struct drm_vmw_size *sizes; 260 bool scanout; 261}; 262 263/** 264 * struct vmw_surface: Resource structure for a surface. 265 * 266 * @res: The base resource for this surface. 267 * @metadata: Metadata for this surface resource. 268 * @snooper: Cursor data. Legacy surface only. 269 * @offsets: Legacy surface only. 270 * @view_list: List of views bound to this surface. 271 */ 272struct vmw_surface { 273 struct vmw_resource res; 274 struct vmw_surface_metadata metadata; 275 struct vmw_cursor_snooper snooper; 276 struct vmw_surface_offset *offsets; 277 struct list_head view_list; 278}; 279 280struct vmw_marker_queue { 281 struct list_head head; 282 u64 lag; 283 u64 lag_time; 284 spinlock_t lock; 285}; 286 287struct vmw_fifo_state { 288 unsigned long reserved_size; 289 u32 *dynamic_buffer; 290 u32 *static_buffer; 291 unsigned long static_buffer_size; 292 bool using_bounce_buffer; 293 uint32_t capabilities; 294 struct mutex fifo_mutex; 295 struct rw_semaphore rwsem; 296 struct vmw_marker_queue marker_queue; 297 bool dx; 298}; 299 300/** 301 * struct vmw_res_cache_entry - resource information cache entry 302 * @handle: User-space handle of a resource. 303 * @res: Non-ref-counted pointer to the resource. 304 * @valid_handle: Whether the @handle member is valid. 305 * @valid: Whether the entry is valid, which also implies that the execbuf 306 * code holds a reference to the resource, and it's placed on the 307 * validation list. 308 * 309 * Used to avoid frequent repeated user-space handle lookups of the 310 * same resource. 311 */ 312struct vmw_res_cache_entry { 313 uint32_t handle; 314 struct vmw_resource *res; 315 void *private; 316 unsigned short valid_handle; 317 unsigned short valid; 318}; 319 320/** 321 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 322 */ 323enum vmw_dma_map_mode { 324 vmw_dma_phys, /* Use physical page addresses */ 325 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 326 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 327 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 328 vmw_dma_map_max 329}; 330 331/** 332 * struct vmw_sg_table - Scatter/gather table for binding, with additional 333 * device-specific information. 334 * 335 * @sgt: Pointer to a struct sg_table with binding information 336 * @num_regions: Number of regions with device-address contiguous pages 337 */ 338struct vmw_sg_table { 339 enum vmw_dma_map_mode mode; 340 struct page **pages; 341 const dma_addr_t *addrs; 342 struct sg_table *sgt; 343 unsigned long num_regions; 344 unsigned long num_pages; 345}; 346 347/** 348 * struct vmw_piter - Page iterator that iterates over a list of pages 349 * and DMA addresses that could be either a scatter-gather list or 350 * arrays 351 * 352 * @pages: Array of page pointers to the pages. 353 * @addrs: DMA addresses to the pages if coherent pages are used. 354 * @iter: Scatter-gather page iterator. Current position in SG list. 355 * @i: Current position in arrays. 356 * @num_pages: Number of pages total. 357 * @next: Function to advance the iterator. Returns false if past the list 358 * of pages, true otherwise. 359 * @dma_address: Function to return the DMA address of the current page. 360 */ 361struct vmw_piter { 362 struct page **pages; 363 const dma_addr_t *addrs; 364 struct sg_dma_page_iter iter; 365 unsigned long i; 366 unsigned long num_pages; 367 bool (*next)(struct vmw_piter *); 368 dma_addr_t (*dma_address)(struct vmw_piter *); 369 struct page *(*page)(struct vmw_piter *); 370}; 371 372/* 373 * enum vmw_display_unit_type - Describes the display unit 374 */ 375enum vmw_display_unit_type { 376 vmw_du_invalid = 0, 377 vmw_du_legacy, 378 vmw_du_screen_object, 379 vmw_du_screen_target 380}; 381 382struct vmw_validation_context; 383struct vmw_ctx_validation_info; 384 385/** 386 * struct vmw_sw_context - Command submission context 387 * @res_ht: Pointer hash table used to find validation duplicates 388 * @kernel: Whether the command buffer originates from kernel code rather 389 * than from user-space 390 * @fp: If @kernel is false, points to the file of the client. Otherwise 391 * NULL 392 * @cmd_bounce: Command bounce buffer used for command validation before 393 * copying to fifo space 394 * @cmd_bounce_size: Current command bounce buffer size 395 * @cur_query_bo: Current buffer object used as query result buffer 396 * @bo_relocations: List of buffer object relocations 397 * @res_relocations: List of resource relocations 398 * @buf_start: Pointer to start of memory where command validation takes 399 * place 400 * @res_cache: Cache of recently looked up resources 401 * @last_query_ctx: Last context that submitted a query 402 * @needs_post_query_barrier: Whether a query barrier is needed after 403 * command submission 404 * @staged_bindings: Cached per-context binding tracker 405 * @staged_bindings_inuse: Whether the cached per-context binding tracker 406 * is in use 407 * @staged_cmd_res: List of staged command buffer managed resources in this 408 * command buffer 409 * @ctx_list: List of context resources referenced in this command buffer 410 * @dx_ctx_node: Validation metadata of the current DX context 411 * @dx_query_mob: The MOB used for DX queries 412 * @dx_query_ctx: The DX context used for the last DX query 413 * @man: Pointer to the command buffer managed resource manager 414 * @ctx: The validation context 415 */ 416struct vmw_sw_context{ 417 struct drm_open_hash res_ht; 418 bool res_ht_initialized; 419 bool kernel; 420 struct vmw_fpriv *fp; 421 uint32_t *cmd_bounce; 422 uint32_t cmd_bounce_size; 423 struct vmw_buffer_object *cur_query_bo; 424 struct list_head bo_relocations; 425 struct list_head res_relocations; 426 uint32_t *buf_start; 427 struct vmw_res_cache_entry res_cache[vmw_res_max]; 428 struct vmw_resource *last_query_ctx; 429 bool needs_post_query_barrier; 430 struct vmw_ctx_binding_state *staged_bindings; 431 bool staged_bindings_inuse; 432 struct list_head staged_cmd_res; 433 struct list_head ctx_list; 434 struct vmw_ctx_validation_info *dx_ctx_node; 435 struct vmw_buffer_object *dx_query_mob; 436 struct vmw_resource *dx_query_ctx; 437 struct vmw_cmdbuf_res_manager *man; 438 struct vmw_validation_context *ctx; 439}; 440 441struct vmw_legacy_display; 442struct vmw_overlay; 443 444struct vmw_vga_topology_state { 445 uint32_t width; 446 uint32_t height; 447 uint32_t primary; 448 uint32_t pos_x; 449 uint32_t pos_y; 450}; 451 452 453/* 454 * struct vmw_otable - Guest Memory OBject table metadata 455 * 456 * @size: Size of the table (page-aligned). 457 * @page_table: Pointer to a struct vmw_mob holding the page table. 458 */ 459struct vmw_otable { 460 unsigned long size; 461 struct vmw_mob *page_table; 462 bool enabled; 463}; 464 465struct vmw_otable_batch { 466 unsigned num_otables; 467 struct vmw_otable *otables; 468 struct vmw_resource *context; 469 struct ttm_buffer_object *otable_bo; 470}; 471 472enum { 473 VMW_IRQTHREAD_FENCE, 474 VMW_IRQTHREAD_CMDBUF, 475 VMW_IRQTHREAD_MAX 476}; 477 478/** 479 * enum vmw_sm_type - Graphics context capability supported by device. 480 * @VMW_SM_LEGACY: Pre DX context. 481 * @VMW_SM_4: Context support upto SM4. 482 * @VMW_SM_4_1: Context support upto SM4_1. 483 * @VMW_SM_5: Context support up to SM5. 484 * @VMW_SM_MAX: Should be the last. 485 */ 486enum vmw_sm_type { 487 VMW_SM_LEGACY = 0, 488 VMW_SM_4, 489 VMW_SM_4_1, 490 VMW_SM_5, 491 VMW_SM_MAX 492}; 493 494struct vmw_private { 495 struct ttm_bo_device bdev; 496 497 struct vmw_fifo_state fifo; 498 499 struct drm_device *dev; 500 struct drm_vma_offset_manager vma_manager; 501 unsigned long vmw_chipset; 502 unsigned int io_start; 503 uint32_t vram_start; 504 uint32_t vram_size; 505 uint32_t prim_bb_mem; 506 uint32_t mmio_start; 507 uint32_t mmio_size; 508 uint32_t fb_max_width; 509 uint32_t fb_max_height; 510 uint32_t texture_max_width; 511 uint32_t texture_max_height; 512 uint32_t stdu_max_width; 513 uint32_t stdu_max_height; 514 uint32_t initial_width; 515 uint32_t initial_height; 516 u32 *mmio_virt; 517 uint32_t capabilities; 518 uint32_t capabilities2; 519 uint32_t max_gmr_ids; 520 uint32_t max_gmr_pages; 521 uint32_t max_mob_pages; 522 uint32_t max_mob_size; 523 uint32_t memory_size; 524 bool has_gmr; 525 bool has_mob; 526 spinlock_t hw_lock; 527 spinlock_t cap_lock; 528 bool assume_16bpp; 529 530 enum vmw_sm_type sm_type; 531 532 /* 533 * Framebuffer info. 534 */ 535 536 void *fb_info; 537 enum vmw_display_unit_type active_display_unit; 538 struct vmw_legacy_display *ldu_priv; 539 struct vmw_overlay *overlay_priv; 540 struct drm_property *hotplug_mode_update_property; 541 struct drm_property *implicit_placement_property; 542 struct mutex global_kms_state_mutex; 543 spinlock_t cursor_lock; 544 struct drm_atomic_state *suspend_state; 545 546 /* 547 * Context and surface management. 548 */ 549 550 spinlock_t resource_lock; 551 struct idr res_idr[vmw_res_max]; 552 553 /* 554 * A resource manager for kernel-only surfaces and 555 * contexts. 556 */ 557 558 struct ttm_object_device *tdev; 559 560 /* 561 * Fencing and IRQs. 562 */ 563 564 atomic_t marker_seq; 565 wait_queue_head_t fence_queue; 566 wait_queue_head_t fifo_queue; 567 spinlock_t waiter_lock; 568 int fence_queue_waiters; /* Protected by waiter_lock */ 569 int goal_queue_waiters; /* Protected by waiter_lock */ 570 int cmdbuf_waiters; /* Protected by waiter_lock */ 571 int error_waiters; /* Protected by waiter_lock */ 572 int fifo_queue_waiters; /* Protected by waiter_lock */ 573 uint32_t last_read_seqno; 574 struct vmw_fence_manager *fman; 575 uint32_t irq_mask; /* Updates protected by waiter_lock */ 576 577 /* 578 * Device state 579 */ 580 581 uint32_t traces_state; 582 uint32_t enable_state; 583 uint32_t config_done_state; 584 585 /** 586 * Execbuf 587 */ 588 /** 589 * Protected by the cmdbuf mutex. 590 */ 591 592 struct vmw_sw_context ctx; 593 struct mutex cmdbuf_mutex; 594 struct mutex binding_mutex; 595 596 /** 597 * Operating mode. 598 */ 599 600 bool stealth; 601 bool enable_fb; 602 spinlock_t svga_lock; 603 604 /** 605 * PM management. 606 */ 607 struct notifier_block pm_nb; 608 bool refuse_hibernation; 609 bool suspend_locked; 610 611 struct mutex release_mutex; 612 atomic_t num_fifo_resources; 613 614 /* 615 * Replace this with an rwsem as soon as we have down_xx_interruptible() 616 */ 617 struct ttm_lock reservation_sem; 618 619 /* 620 * Query processing. These members 621 * are protected by the cmdbuf mutex. 622 */ 623 624 struct vmw_buffer_object *dummy_query_bo; 625 struct vmw_buffer_object *pinned_bo; 626 uint32_t query_cid; 627 uint32_t query_cid_valid; 628 bool dummy_query_bo_pinned; 629 630 /* 631 * Surface swapping. The "surface_lru" list is protected by the 632 * resource lock in order to be able to destroy a surface and take 633 * it off the lru atomically. "used_memory_size" is currently 634 * protected by the cmdbuf mutex for simplicity. 635 */ 636 637 struct list_head res_lru[vmw_res_max]; 638 uint32_t used_memory_size; 639 640 /* 641 * DMA mapping stuff. 642 */ 643 enum vmw_dma_map_mode map_mode; 644 645 /* 646 * Guest Backed stuff 647 */ 648 struct vmw_otable_batch otable_batch; 649 650 struct vmw_cmdbuf_man *cman; 651 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 652 653 /* Validation memory reservation */ 654 struct vmw_validation_mem vvm; 655}; 656 657static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 658{ 659 return container_of(res, struct vmw_surface, res); 660} 661 662static inline struct vmw_private *vmw_priv(struct drm_device *dev) 663{ 664 return (struct vmw_private *)dev->dev_private; 665} 666 667static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 668{ 669 return (struct vmw_fpriv *)file_priv->driver_priv; 670} 671 672/* 673 * The locking here is fine-grained, so that it is performed once 674 * for every read- and write operation. This is of course costly, but we 675 * don't perform much register access in the timing critical paths anyway. 676 * Instead we have the extra benefit of being sure that we don't forget 677 * the hw lock around register accesses. 678 */ 679static inline void vmw_write(struct vmw_private *dev_priv, 680 unsigned int offset, uint32_t value) 681{ 682 spin_lock(&dev_priv->hw_lock); 683 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 684 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 685 spin_unlock(&dev_priv->hw_lock); 686} 687 688static inline uint32_t vmw_read(struct vmw_private *dev_priv, 689 unsigned int offset) 690{ 691 u32 val; 692 693 spin_lock(&dev_priv->hw_lock); 694 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 695 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 696 spin_unlock(&dev_priv->hw_lock); 697 698 return val; 699} 700 701/** 702 * has_sm4_context - Does the device support SM4 context. 703 * @dev_priv: Device private. 704 * 705 * Return: Bool value if device support SM4 context or not. 706 */ 707static inline bool has_sm4_context(const struct vmw_private *dev_priv) 708{ 709 return (dev_priv->sm_type >= VMW_SM_4); 710} 711 712/** 713 * has_sm4_1_context - Does the device support SM4_1 context. 714 * @dev_priv: Device private. 715 * 716 * Return: Bool value if device support SM4_1 context or not. 717 */ 718static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 719{ 720 return (dev_priv->sm_type >= VMW_SM_4_1); 721} 722 723/** 724 * has_sm5_context - Does the device support SM5 context. 725 * @dev_priv: Device private. 726 * 727 * Return: Bool value if device support SM5 context or not. 728 */ 729static inline bool has_sm5_context(const struct vmw_private *dev_priv) 730{ 731 return (dev_priv->sm_type >= VMW_SM_5); 732} 733 734extern void vmw_svga_enable(struct vmw_private *dev_priv); 735extern void vmw_svga_disable(struct vmw_private *dev_priv); 736 737 738/** 739 * GMR utilities - vmwgfx_gmr.c 740 */ 741 742extern int vmw_gmr_bind(struct vmw_private *dev_priv, 743 const struct vmw_sg_table *vsgt, 744 unsigned long num_pages, 745 int gmr_id); 746extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 747 748/** 749 * Resource utilities - vmwgfx_resource.c 750 */ 751struct vmw_user_resource_conv; 752 753extern void vmw_resource_unreference(struct vmw_resource **p_res); 754extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 755extern struct vmw_resource * 756vmw_resource_reference_unless_doomed(struct vmw_resource *res); 757extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 758 bool dirtying); 759extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 760 bool no_backup); 761extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 762extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 763 struct ttm_object_file *tfile, 764 uint32_t handle, 765 struct vmw_surface **out_surf, 766 struct vmw_buffer_object **out_buf); 767extern int vmw_user_resource_lookup_handle( 768 struct vmw_private *dev_priv, 769 struct ttm_object_file *tfile, 770 uint32_t handle, 771 const struct vmw_user_resource_conv *converter, 772 struct vmw_resource **p_res); 773extern struct vmw_resource * 774vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 775 struct ttm_object_file *tfile, 776 uint32_t handle, 777 const struct vmw_user_resource_conv * 778 converter); 779extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 780 struct drm_file *file_priv); 781extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 782 struct drm_file *file_priv); 783extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 784 struct ttm_object_file *tfile, 785 uint32_t *inout_id, 786 struct vmw_resource **out); 787extern void vmw_resource_unreserve(struct vmw_resource *res, 788 bool dirty_set, 789 bool dirty, 790 bool switch_backup, 791 struct vmw_buffer_object *new_backup, 792 unsigned long new_backup_offset); 793extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 794 struct ttm_resource *mem); 795extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 796extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 797extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 798void vmw_resource_mob_attach(struct vmw_resource *res); 799void vmw_resource_mob_detach(struct vmw_resource *res); 800void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 801 pgoff_t end); 802int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 803 pgoff_t end, pgoff_t *num_prefault); 804 805/** 806 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 807 * @res: The resource 808 * 809 * Return: true if the resource has a mob attached, false otherwise. 810 */ 811static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 812{ 813 return !RB_EMPTY_NODE(&res->mob_node); 814} 815 816/** 817 * vmw_user_resource_noref_release - release a user resource pointer looked up 818 * without reference 819 */ 820static inline void vmw_user_resource_noref_release(void) 821{ 822 ttm_base_object_noref_release(); 823} 824 825/** 826 * Buffer object helper functions - vmwgfx_bo.c 827 */ 828extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 829 struct vmw_buffer_object *bo, 830 struct ttm_placement *placement, 831 bool interruptible); 832extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 833 struct vmw_buffer_object *buf, 834 bool interruptible); 835extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 836 struct vmw_buffer_object *buf, 837 bool interruptible); 838extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 839 struct vmw_buffer_object *bo, 840 bool interruptible); 841extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 842 struct vmw_buffer_object *bo, 843 bool interruptible); 844extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 845 SVGAGuestPtr *ptr); 846extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 847extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 848extern int vmw_bo_init(struct vmw_private *dev_priv, 849 struct vmw_buffer_object *vmw_bo, 850 size_t size, struct ttm_placement *placement, 851 bool interruptible, 852 void (*bo_free)(struct ttm_buffer_object *bo)); 853extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 854 struct ttm_object_file *tfile); 855extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 856 struct ttm_object_file *tfile, 857 uint32_t size, 858 bool shareable, 859 uint32_t *handle, 860 struct vmw_buffer_object **p_dma_buf, 861 struct ttm_base_object **p_base); 862extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 863 struct vmw_buffer_object *dma_buf, 864 uint32_t *handle); 865extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 872 uint32_t id, struct vmw_buffer_object **out, 873 struct ttm_base_object **base); 874extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 875 struct vmw_fence_obj *fence); 876extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 877extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 878extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 879 struct ttm_resource *mem); 880extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 881extern struct vmw_buffer_object * 882vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 883 884/** 885 * vmw_user_bo_noref_release - release a buffer object pointer looked up 886 * without reference 887 */ 888static inline void vmw_user_bo_noref_release(void) 889{ 890 ttm_base_object_noref_release(); 891} 892 893/** 894 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 895 * according to attached resources 896 * @vbo: The struct vmw_buffer_object 897 */ 898static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 899{ 900 int i = ARRAY_SIZE(vbo->res_prios); 901 902 while (i--) { 903 if (vbo->res_prios[i]) { 904 vbo->base.priority = i; 905 return; 906 } 907 } 908 909 vbo->base.priority = 3; 910} 911 912/** 913 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 914 * eviction priority 915 * @vbo: The struct vmw_buffer_object 916 * @prio: The resource priority 917 * 918 * After being notified, the code assigns the highest resource eviction priority 919 * to the backing buffer object (mob). 920 */ 921static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 922{ 923 if (vbo->res_prios[prio]++ == 0) 924 vmw_bo_prio_adjust(vbo); 925} 926 927/** 928 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 929 * priority being removed 930 * @vbo: The struct vmw_buffer_object 931 * @prio: The resource priority 932 * 933 * After being notified, the code assigns the highest resource eviction priority 934 * to the backing buffer object (mob). 935 */ 936static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 937{ 938 if (--vbo->res_prios[prio] == 0) 939 vmw_bo_prio_adjust(vbo); 940} 941 942/** 943 * Misc Ioctl functionality - vmwgfx_ioctl.c 944 */ 945 946extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 947 struct drm_file *file_priv); 948extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 949 struct drm_file *file_priv); 950extern int vmw_present_ioctl(struct drm_device *dev, void *data, 951 struct drm_file *file_priv); 952extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 953 struct drm_file *file_priv); 954extern __poll_t vmw_fops_poll(struct file *filp, 955 struct poll_table_struct *wait); 956extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 957 size_t count, loff_t *offset); 958 959/** 960 * Fifo utilities - vmwgfx_fifo.c 961 */ 962 963extern int vmw_fifo_init(struct vmw_private *dev_priv, 964 struct vmw_fifo_state *fifo); 965extern void vmw_fifo_release(struct vmw_private *dev_priv, 966 struct vmw_fifo_state *fifo); 967extern void * 968vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 969extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 970extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 971extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 972 uint32_t *seqno); 973extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 974extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 975extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 976extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 977 uint32_t cid); 978extern int vmw_fifo_flush(struct vmw_private *dev_priv, 979 bool interruptible); 980 981#define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 982({ \ 983 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 984 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 985 __func__, (unsigned int) __bytes); \ 986 NULL; \ 987 }); \ 988}) 989 990#define VMW_FIFO_RESERVE(__priv, __bytes) \ 991 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 992 993/** 994 * TTM glue - vmwgfx_ttm_glue.c 995 */ 996 997extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 998 999extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 1000 size_t gran); 1001 1002/** 1003 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1004 */ 1005 1006extern const size_t vmw_tt_size; 1007extern struct ttm_placement vmw_vram_placement; 1008extern struct ttm_placement vmw_vram_ne_placement; 1009extern struct ttm_placement vmw_vram_sys_placement; 1010extern struct ttm_placement vmw_vram_gmr_placement; 1011extern struct ttm_placement vmw_vram_gmr_ne_placement; 1012extern struct ttm_placement vmw_sys_placement; 1013extern struct ttm_placement vmw_sys_ne_placement; 1014extern struct ttm_placement vmw_evictable_placement; 1015extern struct ttm_placement vmw_srf_placement; 1016extern struct ttm_placement vmw_mob_placement; 1017extern struct ttm_placement vmw_mob_ne_placement; 1018extern struct ttm_placement vmw_nonfixed_placement; 1019extern struct ttm_bo_driver vmw_bo_driver; 1020extern const struct vmw_sg_table * 1021vmw_bo_sg_table(struct ttm_buffer_object *bo); 1022extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1023 unsigned long bo_size, 1024 struct ttm_buffer_object **bo_p); 1025 1026extern void vmw_piter_start(struct vmw_piter *viter, 1027 const struct vmw_sg_table *vsgt, 1028 unsigned long p_offs); 1029 1030/** 1031 * vmw_piter_next - Advance the iterator one page. 1032 * 1033 * @viter: Pointer to the iterator to advance. 1034 * 1035 * Returns false if past the list of pages, true otherwise. 1036 */ 1037static inline bool vmw_piter_next(struct vmw_piter *viter) 1038{ 1039 return viter->next(viter); 1040} 1041 1042/** 1043 * vmw_piter_dma_addr - Return the DMA address of the current page. 1044 * 1045 * @viter: Pointer to the iterator 1046 * 1047 * Returns the DMA address of the page pointed to by @viter. 1048 */ 1049static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1050{ 1051 return viter->dma_address(viter); 1052} 1053 1054/** 1055 * vmw_piter_page - Return a pointer to the current page. 1056 * 1057 * @viter: Pointer to the iterator 1058 * 1059 * Returns the DMA address of the page pointed to by @viter. 1060 */ 1061static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1062{ 1063 return viter->page(viter); 1064} 1065 1066/** 1067 * Command submission - vmwgfx_execbuf.c 1068 */ 1069 1070extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1071 struct drm_file *file_priv); 1072extern int vmw_execbuf_process(struct drm_file *file_priv, 1073 struct vmw_private *dev_priv, 1074 void __user *user_commands, 1075 void *kernel_commands, 1076 uint32_t command_size, 1077 uint64_t throttle_us, 1078 uint32_t dx_context_handle, 1079 struct drm_vmw_fence_rep __user 1080 *user_fence_rep, 1081 struct vmw_fence_obj **out_fence, 1082 uint32_t flags); 1083extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1084 struct vmw_fence_obj *fence); 1085extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1086 1087extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1088 struct vmw_private *dev_priv, 1089 struct vmw_fence_obj **p_fence, 1090 uint32_t *p_handle); 1091extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1092 struct vmw_fpriv *vmw_fp, 1093 int ret, 1094 struct drm_vmw_fence_rep __user 1095 *user_fence_rep, 1096 struct vmw_fence_obj *fence, 1097 uint32_t fence_handle, 1098 int32_t out_fence_fd); 1099bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1100 1101/** 1102 * IRQs and wating - vmwgfx_irq.c 1103 */ 1104 1105extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1106 uint32_t seqno, bool interruptible, 1107 unsigned long timeout); 1108extern int vmw_irq_install(struct drm_device *dev, int irq); 1109extern void vmw_irq_uninstall(struct drm_device *dev); 1110extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1111 uint32_t seqno); 1112extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1113 bool lazy, 1114 bool fifo_idle, 1115 uint32_t seqno, 1116 bool interruptible, 1117 unsigned long timeout); 1118extern void vmw_update_seqno(struct vmw_private *dev_priv, 1119 struct vmw_fifo_state *fifo_state); 1120extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1121extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1122extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1123extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1124extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1125 int *waiter_count); 1126extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1127 u32 flag, int *waiter_count); 1128 1129/** 1130 * Rudimentary fence-like objects currently used only for throttling - 1131 * vmwgfx_marker.c 1132 */ 1133 1134extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1135extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1136extern int vmw_marker_push(struct vmw_marker_queue *queue, 1137 uint32_t seqno); 1138extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1139 uint32_t signaled_seqno); 1140extern int vmw_wait_lag(struct vmw_private *dev_priv, 1141 struct vmw_marker_queue *queue, uint32_t us); 1142 1143/** 1144 * Kernel framebuffer - vmwgfx_fb.c 1145 */ 1146 1147int vmw_fb_init(struct vmw_private *vmw_priv); 1148int vmw_fb_close(struct vmw_private *dev_priv); 1149int vmw_fb_off(struct vmw_private *vmw_priv); 1150int vmw_fb_on(struct vmw_private *vmw_priv); 1151 1152/** 1153 * Kernel modesetting - vmwgfx_kms.c 1154 */ 1155 1156int vmw_kms_init(struct vmw_private *dev_priv); 1157int vmw_kms_close(struct vmw_private *dev_priv); 1158int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1159 struct drm_file *file_priv); 1160void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1161void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1162 struct ttm_object_file *tfile, 1163 struct ttm_buffer_object *bo, 1164 SVGA3dCmdHeader *header); 1165int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1166 unsigned width, unsigned height, unsigned pitch, 1167 unsigned bpp, unsigned depth); 1168bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1169 uint32_t pitch, 1170 uint32_t height); 1171u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1172int vmw_enable_vblank(struct drm_crtc *crtc); 1173void vmw_disable_vblank(struct drm_crtc *crtc); 1174int vmw_kms_present(struct vmw_private *dev_priv, 1175 struct drm_file *file_priv, 1176 struct vmw_framebuffer *vfb, 1177 struct vmw_surface *surface, 1178 uint32_t sid, int32_t destX, int32_t destY, 1179 struct drm_vmw_rect *clips, 1180 uint32_t num_clips); 1181int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1182 struct drm_file *file_priv); 1183void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1184int vmw_kms_suspend(struct drm_device *dev); 1185int vmw_kms_resume(struct drm_device *dev); 1186void vmw_kms_lost_device(struct drm_device *dev); 1187 1188int vmw_dumb_create(struct drm_file *file_priv, 1189 struct drm_device *dev, 1190 struct drm_mode_create_dumb *args); 1191 1192int vmw_dumb_map_offset(struct drm_file *file_priv, 1193 struct drm_device *dev, uint32_t handle, 1194 uint64_t *offset); 1195int vmw_dumb_destroy(struct drm_file *file_priv, 1196 struct drm_device *dev, 1197 uint32_t handle); 1198extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1199extern void vmw_resource_unpin(struct vmw_resource *res); 1200extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1201 1202/** 1203 * Overlay control - vmwgfx_overlay.c 1204 */ 1205 1206int vmw_overlay_init(struct vmw_private *dev_priv); 1207int vmw_overlay_close(struct vmw_private *dev_priv); 1208int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1211int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1212int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1213int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1214int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1215int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1216 1217/** 1218 * GMR Id manager 1219 */ 1220 1221int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1222void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1223 1224/** 1225 * Prime - vmwgfx_prime.c 1226 */ 1227 1228extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1229extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1230 struct drm_file *file_priv, 1231 int fd, u32 *handle); 1232extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1233 struct drm_file *file_priv, 1234 uint32_t handle, uint32_t flags, 1235 int *prime_fd); 1236 1237/* 1238 * MemoryOBject management - vmwgfx_mob.c 1239 */ 1240struct vmw_mob; 1241extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1242 const struct vmw_sg_table *vsgt, 1243 unsigned long num_data_pages, int32_t mob_id); 1244extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1245 struct vmw_mob *mob); 1246extern void vmw_mob_destroy(struct vmw_mob *mob); 1247extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1248extern int vmw_otables_setup(struct vmw_private *dev_priv); 1249extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1250 1251/* 1252 * Context management - vmwgfx_context.c 1253 */ 1254 1255extern const struct vmw_user_resource_conv *user_context_converter; 1256 1257extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1258 struct drm_file *file_priv); 1259extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1260 struct drm_file *file_priv); 1261extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1262 struct drm_file *file_priv); 1263extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1264extern struct vmw_cmdbuf_res_manager * 1265vmw_context_res_man(struct vmw_resource *ctx); 1266extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1267 SVGACOTableType cotable_type); 1268extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1269struct vmw_ctx_binding_state; 1270extern struct vmw_ctx_binding_state * 1271vmw_context_binding_state(struct vmw_resource *ctx); 1272extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1273 bool readback); 1274extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1275 struct vmw_buffer_object *mob); 1276extern struct vmw_buffer_object * 1277vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1278 1279 1280/* 1281 * Surface management - vmwgfx_surface.c 1282 */ 1283 1284extern const struct vmw_user_resource_conv *user_surface_converter; 1285 1286extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1287 struct drm_file *file_priv); 1288extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1289 struct drm_file *file_priv); 1290extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1291 struct drm_file *file_priv); 1292extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1293 struct drm_file *file_priv); 1294extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1295 struct drm_file *file_priv); 1296int vmw_surface_gb_priv_define(struct drm_device *dev, 1297 uint32_t user_accounting_size, 1298 SVGA3dSurfaceAllFlags svga3d_flags, 1299 SVGA3dSurfaceFormat format, 1300 bool for_scanout, 1301 uint32_t num_mip_levels, 1302 uint32_t multisample_count, 1303 uint32_t array_size, 1304 struct drm_vmw_size size, 1305 SVGA3dMSPattern multisample_pattern, 1306 SVGA3dMSQualityLevel quality_level, 1307 struct vmw_surface **srf_out); 1308extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1309 void *data, 1310 struct drm_file *file_priv); 1311extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1312 void *data, 1313 struct drm_file *file_priv); 1314 1315int vmw_gb_surface_define(struct vmw_private *dev_priv, 1316 uint32_t user_accounting_size, 1317 const struct vmw_surface_metadata *req, 1318 struct vmw_surface **srf_out); 1319 1320/* 1321 * Shader management - vmwgfx_shader.c 1322 */ 1323 1324extern const struct vmw_user_resource_conv *user_shader_converter; 1325 1326extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1327 struct drm_file *file_priv); 1328extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1329 struct drm_file *file_priv); 1330extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1331 struct vmw_cmdbuf_res_manager *man, 1332 u32 user_key, const void *bytecode, 1333 SVGA3dShaderType shader_type, 1334 size_t size, 1335 struct list_head *list); 1336extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1337 u32 user_key, SVGA3dShaderType shader_type, 1338 struct list_head *list); 1339extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1340 struct vmw_resource *ctx, 1341 u32 user_key, 1342 SVGA3dShaderType shader_type, 1343 struct list_head *list); 1344extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1345 struct list_head *list, 1346 bool readback); 1347 1348extern struct vmw_resource * 1349vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1350 u32 user_key, SVGA3dShaderType shader_type); 1351 1352/* 1353 * Streamoutput management 1354 */ 1355struct vmw_resource * 1356vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1357 u32 user_key); 1358int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1359 struct vmw_resource *ctx, 1360 SVGA3dStreamOutputId user_key, 1361 struct list_head *list); 1362void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1363int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1364 SVGA3dStreamOutputId user_key, 1365 struct list_head *list); 1366void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1367 struct list_head *list, 1368 bool readback); 1369 1370/* 1371 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1372 */ 1373 1374extern struct vmw_cmdbuf_res_manager * 1375vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1376extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1377extern size_t vmw_cmdbuf_res_man_size(void); 1378extern struct vmw_resource * 1379vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1380 enum vmw_cmdbuf_res_type res_type, 1381 u32 user_key); 1382extern void vmw_cmdbuf_res_revert(struct list_head *list); 1383extern void vmw_cmdbuf_res_commit(struct list_head *list); 1384extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1385 enum vmw_cmdbuf_res_type res_type, 1386 u32 user_key, 1387 struct vmw_resource *res, 1388 struct list_head *list); 1389extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1390 enum vmw_cmdbuf_res_type res_type, 1391 u32 user_key, 1392 struct list_head *list, 1393 struct vmw_resource **res); 1394 1395/* 1396 * COTable management - vmwgfx_cotable.c 1397 */ 1398extern const SVGACOTableType vmw_cotable_scrub_order[]; 1399extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1400 struct vmw_resource *ctx, 1401 u32 type); 1402extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1403extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1404extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1405 struct list_head *head); 1406 1407/* 1408 * Command buffer managerment vmwgfx_cmdbuf.c 1409 */ 1410struct vmw_cmdbuf_man; 1411struct vmw_cmdbuf_header; 1412 1413extern struct vmw_cmdbuf_man * 1414vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1415extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1416 size_t size, size_t default_size); 1417extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1418extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1419extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1420 unsigned long timeout); 1421extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1422 int ctx_id, bool interruptible, 1423 struct vmw_cmdbuf_header *header); 1424extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1425 struct vmw_cmdbuf_header *header, 1426 bool flush); 1427extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1428 size_t size, bool interruptible, 1429 struct vmw_cmdbuf_header **p_header); 1430extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1431extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1432 bool interruptible); 1433extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1434 1435/* CPU blit utilities - vmwgfx_blit.c */ 1436 1437/** 1438 * struct vmw_diff_cpy - CPU blit information structure 1439 * 1440 * @rect: The output bounding box rectangle. 1441 * @line: The current line of the blit. 1442 * @line_offset: Offset of the current line segment. 1443 * @cpp: Bytes per pixel (granularity information). 1444 * @memcpy: Which memcpy function to use. 1445 */ 1446struct vmw_diff_cpy { 1447 struct drm_rect rect; 1448 size_t line; 1449 size_t line_offset; 1450 int cpp; 1451 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1452 size_t n); 1453}; 1454 1455#define VMW_CPU_BLIT_INITIALIZER { \ 1456 .do_cpy = vmw_memcpy, \ 1457} 1458 1459#define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1460 .line = 0, \ 1461 .line_offset = 0, \ 1462 .rect = { .x1 = INT_MAX/2, \ 1463 .y1 = INT_MAX/2, \ 1464 .x2 = INT_MIN/2, \ 1465 .y2 = INT_MIN/2 \ 1466 }, \ 1467 .cpp = _cpp, \ 1468 .do_cpy = vmw_diff_memcpy, \ 1469} 1470 1471void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1472 size_t n); 1473 1474void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1475 1476int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1477 u32 dst_offset, u32 dst_stride, 1478 struct ttm_buffer_object *src, 1479 u32 src_offset, u32 src_stride, 1480 u32 w, u32 h, 1481 struct vmw_diff_cpy *diff); 1482 1483/* Host messaging -vmwgfx_msg.c: */ 1484int vmw_host_get_guestinfo(const char *guest_info_param, 1485 char *buffer, size_t *length); 1486int vmw_host_log(const char *log); 1487int vmw_msg_ioctl(struct drm_device *dev, void *data, 1488 struct drm_file *file_priv); 1489 1490/* VMW logging */ 1491 1492/** 1493 * VMW_DEBUG_USER - Debug output for user-space debugging. 1494 * 1495 * @fmt: printf() like format string. 1496 * 1497 * This macro is for logging user-space error and debugging messages for e.g. 1498 * command buffer execution errors due to malformed commands, invalid context, 1499 * etc. 1500 */ 1501#define VMW_DEBUG_USER(fmt, ...) \ 1502 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1503 1504/* Resource dirtying - vmwgfx_page_dirty.c */ 1505void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1506int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1507void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1508void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1509void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1510void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1511 pgoff_t start, pgoff_t end); 1512vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1513vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1514#ifdef CONFIG_TRANSPARENT_HUGEPAGE 1515vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf, 1516 enum page_entry_size pe_size); 1517#endif 1518 1519/* Transparent hugepage support - vmwgfx_thp.c */ 1520#ifdef CONFIG_TRANSPARENT_HUGEPAGE 1521extern int vmw_thp_init(struct vmw_private *dev_priv); 1522void vmw_thp_fini(struct vmw_private *dev_priv); 1523#endif 1524 1525/** 1526 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1527 * 1528 * This macro is for debugging vmwgfx mode-setting code. 1529 */ 1530#define VMW_DEBUG_KMS(fmt, ...) \ 1531 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1532 1533/** 1534 * Inline helper functions 1535 */ 1536 1537static inline void vmw_surface_unreference(struct vmw_surface **srf) 1538{ 1539 struct vmw_surface *tmp_srf = *srf; 1540 struct vmw_resource *res = &tmp_srf->res; 1541 *srf = NULL; 1542 1543 vmw_resource_unreference(&res); 1544} 1545 1546static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1547{ 1548 (void) vmw_resource_reference(&srf->res); 1549 return srf; 1550} 1551 1552static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1553{ 1554 struct vmw_buffer_object *tmp_buf = *buf; 1555 1556 *buf = NULL; 1557 if (tmp_buf != NULL) { 1558 ttm_bo_put(&tmp_buf->base); 1559 } 1560} 1561 1562static inline struct vmw_buffer_object * 1563vmw_bo_reference(struct vmw_buffer_object *buf) 1564{ 1565 ttm_bo_get(&buf->base); 1566 return buf; 1567} 1568 1569static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1570{ 1571 return &ttm_mem_glob; 1572} 1573 1574static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1575{ 1576 atomic_inc(&dev_priv->num_fifo_resources); 1577} 1578 1579static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1580{ 1581 atomic_dec(&dev_priv->num_fifo_resources); 1582} 1583 1584/** 1585 * vmw_mmio_read - Perform a MMIO read from volatile memory 1586 * 1587 * @addr: The address to read from 1588 * 1589 * This function is intended to be equivalent to ioread32() on 1590 * memremap'd memory, but without byteswapping. 1591 */ 1592static inline u32 vmw_mmio_read(u32 *addr) 1593{ 1594 return READ_ONCE(*addr); 1595} 1596 1597/** 1598 * vmw_mmio_write - Perform a MMIO write to volatile memory 1599 * 1600 * @addr: The address to write to 1601 * 1602 * This function is intended to be equivalent to iowrite32 on 1603 * memremap'd memory, but without byteswapping. 1604 */ 1605static inline void vmw_mmio_write(u32 value, u32 *addr) 1606{ 1607 WRITE_ONCE(*addr, value); 1608} 1609 1610static inline bool vmw_shadertype_is_valid(enum vmw_sm_type shader_model, 1611 u32 shader_type) 1612{ 1613 SVGA3dShaderType max_allowed = SVGA3D_SHADERTYPE_PREDX_MAX; 1614 1615 if (shader_model >= VMW_SM_5) 1616 max_allowed = SVGA3D_SHADERTYPE_MAX; 1617 else if (shader_model >= VMW_SM_4) 1618 max_allowed = SVGA3D_SHADERTYPE_DX10_MAX; 1619 return shader_type >= SVGA3D_SHADERTYPE_MIN && shader_type < max_allowed; 1620} 1621 1622#endif 1623