1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2022 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 #include <linux/hashtable.h> 34 35 #include <drm/drm_auth.h> 36 #include <drm/drm_device.h> 37 #include <drm/drm_file.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 43 #include "ttm_object.h" 44 45 #include "vmwgfx_fence.h" 46 #include "vmwgfx_reg.h" 47 #include "vmwgfx_validation.h" 48 49 /* 50 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 51 * uapi headers should not depend on header files outside uapi/. 52 */ 53 #include <drm/vmwgfx_drm.h> 54 55 56 #define VMWGFX_DRIVER_NAME "vmwgfx" 57 #define VMWGFX_DRIVER_DATE "20211206" 58 #define VMWGFX_DRIVER_MAJOR 2 59 #define VMWGFX_DRIVER_MINOR 20 60 #define VMWGFX_DRIVER_PATCHLEVEL 0 61 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 62 #define VMWGFX_MAX_DISPLAYS 16 63 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 64 65 #define VMWGFX_MIN_INITIAL_WIDTH 1280 66 #define VMWGFX_MIN_INITIAL_HEIGHT 800 67 68 #define VMWGFX_PCI_ID_SVGA2 0x0405 69 #define VMWGFX_PCI_ID_SVGA3 0x0406 70 71 /* 72 * This has to match get_count_order(SVGA_IRQFLAG_MAX) 73 */ 74 #define VMWGFX_MAX_NUM_IRQS 6 75 76 /* 77 * Perhaps we should have sysfs entries for these. 78 */ 79 #define VMWGFX_NUM_GB_CONTEXT 256 80 #define VMWGFX_NUM_GB_SHADER 20000 81 #define VMWGFX_NUM_GB_SURFACE 32768 82 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 83 #define VMWGFX_NUM_DXCONTEXT 256 84 #define VMWGFX_NUM_DXQUERY 512 85 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 86 VMWGFX_NUM_GB_SHADER +\ 87 VMWGFX_NUM_GB_SURFACE +\ 88 VMWGFX_NUM_GB_SCREEN_TARGET) 89 90 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 91 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 92 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 93 94 #define VMW_RES_CONTEXT ttm_driver_type0 95 #define VMW_RES_SURFACE ttm_driver_type1 96 #define VMW_RES_STREAM ttm_driver_type2 97 #define VMW_RES_FENCE ttm_driver_type3 98 #define VMW_RES_SHADER ttm_driver_type4 99 #define VMW_RES_HT_ORDER 12 100 101 #define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8 102 #define VMW_CURSOR_SNOOP_WIDTH 64 103 #define VMW_CURSOR_SNOOP_HEIGHT 64 104 105 #define MKSSTAT_CAPACITY_LOG2 5U 106 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 107 108 struct vmw_fpriv { 109 struct ttm_object_file *tfile; 110 bool gb_aware; /* user-space is guest-backed aware */ 111 }; 112 113 struct vmwgfx_hash_item { 114 struct hlist_node head; 115 unsigned long key; 116 }; 117 118 /** 119 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 120 * @base: The TTM buffer object 121 * @res_tree: RB tree of resources using this buffer object as a backing MOB 122 * @base_mapped_count: ttm BO mapping count; used by KMS atomic helpers. 123 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 124 * increased. May be decreased without reservation. 125 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 126 * @map: Kmap object for semi-persistent mappings 127 * @res_prios: Eviction priority counts for attached resources 128 * @dirty: structure for user-space dirty-tracking 129 */ 130 struct vmw_buffer_object { 131 struct ttm_buffer_object base; 132 struct rb_root res_tree; 133 /* For KMS atomic helpers: ttm bo mapping count */ 134 atomic_t base_mapped_count; 135 136 atomic_t cpu_writers; 137 /* Not ref-counted. Protected by binding_mutex */ 138 struct vmw_resource *dx_query_ctx; 139 /* Protected by reservation */ 140 struct ttm_bo_kmap_obj map; 141 u32 res_prios[TTM_MAX_BO_PRIORITY]; 142 struct vmw_bo_dirty *dirty; 143 }; 144 145 /** 146 * struct vmw_validate_buffer - Carries validation info about buffers. 147 * 148 * @base: Validation info for TTM. 149 * @hash: Hash entry for quick lookup of the TTM buffer object. 150 * 151 * This structure contains also driver private validation info 152 * on top of the info needed by TTM. 153 */ 154 struct vmw_validate_buffer { 155 struct ttm_validate_buffer base; 156 struct vmwgfx_hash_item hash; 157 bool validate_as_mob; 158 }; 159 160 struct vmw_res_func; 161 162 163 /** 164 * struct vmw-resource - base class for hardware resources 165 * 166 * @kref: For refcounting. 167 * @dev_priv: Pointer to the device private for this resource. Immutable. 168 * @id: Device id. Protected by @dev_priv::resource_lock. 169 * @backup_size: Backup buffer size. Immutable. 170 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 171 * by resource reserved. 172 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 173 * Protected by resource reserved. 174 * @coherent: Emulate coherency by tracking vm accesses. 175 * @backup: The backup buffer if any. Protected by resource reserved. 176 * @backup_offset: Offset into the backup buffer if any. Protected by resource 177 * reserved. Note that only a few resource types can have a @backup_offset 178 * different from zero. 179 * @pin_count: The pin count for this resource. A pinned resource has a 180 * pin-count greater than zero. It is not on the resource LRU lists and its 181 * backup buffer is pinned. Hence it can't be evicted. 182 * @func: Method vtable for this resource. Immutable. 183 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 184 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 185 * @binding_head: List head for the context binding list. Protected by 186 * the @dev_priv::binding_mutex 187 * @res_free: The resource destructor. 188 * @hw_destroy: Callback to destroy the resource on the device, as part of 189 * resource destruction. 190 */ 191 struct vmw_resource_dirty; 192 struct vmw_resource { 193 struct kref kref; 194 struct vmw_private *dev_priv; 195 int id; 196 u32 used_prio; 197 unsigned long backup_size; 198 u32 res_dirty : 1; 199 u32 backup_dirty : 1; 200 u32 coherent : 1; 201 struct vmw_buffer_object *backup; 202 unsigned long backup_offset; 203 unsigned long pin_count; 204 const struct vmw_res_func *func; 205 struct rb_node mob_node; 206 struct list_head lru_head; 207 struct list_head binding_head; 208 struct vmw_resource_dirty *dirty; 209 void (*res_free) (struct vmw_resource *res); 210 void (*hw_destroy) (struct vmw_resource *res); 211 }; 212 213 214 /* 215 * Resources that are managed using ioctls. 216 */ 217 enum vmw_res_type { 218 vmw_res_context, 219 vmw_res_surface, 220 vmw_res_stream, 221 vmw_res_shader, 222 vmw_res_dx_context, 223 vmw_res_cotable, 224 vmw_res_view, 225 vmw_res_streamoutput, 226 vmw_res_max 227 }; 228 229 /* 230 * Resources that are managed using command streams. 231 */ 232 enum vmw_cmdbuf_res_type { 233 vmw_cmdbuf_res_shader, 234 vmw_cmdbuf_res_view, 235 vmw_cmdbuf_res_streamoutput 236 }; 237 238 struct vmw_cmdbuf_res_manager; 239 240 struct vmw_cursor_snooper { 241 size_t age; 242 uint32_t *image; 243 }; 244 245 struct vmw_framebuffer; 246 struct vmw_surface_offset; 247 248 /** 249 * struct vmw_surface_metadata - Metadata describing a surface. 250 * 251 * @flags: Device flags. 252 * @format: Surface SVGA3D_x format. 253 * @mip_levels: Mip level for each face. For GB first index is used only. 254 * @multisample_count: Sample count. 255 * @multisample_pattern: Sample patterns. 256 * @quality_level: Quality level. 257 * @autogen_filter: Filter for automatically generated mipmaps. 258 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 259 texture number of faces * array_size. This should be 0 for pre 260 SM4 device. 261 * @buffer_byte_stride: Buffer byte stride. 262 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 263 * @base_size: Surface dimension. 264 * @sizes: Array representing mip sizes. Legacy only. 265 * @scanout: Whether this surface will be used for scanout. 266 * 267 * This tracks metadata for both legacy and guest backed surface. 268 */ 269 struct vmw_surface_metadata { 270 u64 flags; 271 u32 format; 272 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 273 u32 multisample_count; 274 u32 multisample_pattern; 275 u32 quality_level; 276 u32 autogen_filter; 277 u32 array_size; 278 u32 num_sizes; 279 u32 buffer_byte_stride; 280 struct drm_vmw_size base_size; 281 struct drm_vmw_size *sizes; 282 bool scanout; 283 }; 284 285 /** 286 * struct vmw_surface: Resource structure for a surface. 287 * 288 * @res: The base resource for this surface. 289 * @metadata: Metadata for this surface resource. 290 * @snooper: Cursor data. Legacy surface only. 291 * @offsets: Legacy surface only. 292 * @view_list: List of views bound to this surface. 293 */ 294 struct vmw_surface { 295 struct vmw_resource res; 296 struct vmw_surface_metadata metadata; 297 struct vmw_cursor_snooper snooper; 298 struct vmw_surface_offset *offsets; 299 struct list_head view_list; 300 }; 301 302 struct vmw_fifo_state { 303 unsigned long reserved_size; 304 u32 *dynamic_buffer; 305 u32 *static_buffer; 306 unsigned long static_buffer_size; 307 bool using_bounce_buffer; 308 uint32_t capabilities; 309 struct mutex fifo_mutex; 310 struct rw_semaphore rwsem; 311 }; 312 313 /** 314 * struct vmw_res_cache_entry - resource information cache entry 315 * @handle: User-space handle of a resource. 316 * @res: Non-ref-counted pointer to the resource. 317 * @valid_handle: Whether the @handle member is valid. 318 * @valid: Whether the entry is valid, which also implies that the execbuf 319 * code holds a reference to the resource, and it's placed on the 320 * validation list. 321 * 322 * Used to avoid frequent repeated user-space handle lookups of the 323 * same resource. 324 */ 325 struct vmw_res_cache_entry { 326 uint32_t handle; 327 struct vmw_resource *res; 328 void *private; 329 unsigned short valid_handle; 330 unsigned short valid; 331 }; 332 333 /** 334 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 335 */ 336 enum vmw_dma_map_mode { 337 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 338 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 339 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 340 vmw_dma_map_max 341 }; 342 343 /** 344 * struct vmw_sg_table - Scatter/gather table for binding, with additional 345 * device-specific information. 346 * 347 * @sgt: Pointer to a struct sg_table with binding information 348 * @num_regions: Number of regions with device-address contiguous pages 349 */ 350 struct vmw_sg_table { 351 enum vmw_dma_map_mode mode; 352 struct page **pages; 353 const dma_addr_t *addrs; 354 struct sg_table *sgt; 355 unsigned long num_pages; 356 }; 357 358 /** 359 * struct vmw_piter - Page iterator that iterates over a list of pages 360 * and DMA addresses that could be either a scatter-gather list or 361 * arrays 362 * 363 * @pages: Array of page pointers to the pages. 364 * @addrs: DMA addresses to the pages if coherent pages are used. 365 * @iter: Scatter-gather page iterator. Current position in SG list. 366 * @i: Current position in arrays. 367 * @num_pages: Number of pages total. 368 * @next: Function to advance the iterator. Returns false if past the list 369 * of pages, true otherwise. 370 * @dma_address: Function to return the DMA address of the current page. 371 */ 372 struct vmw_piter { 373 struct page **pages; 374 const dma_addr_t *addrs; 375 struct sg_dma_page_iter iter; 376 unsigned long i; 377 unsigned long num_pages; 378 bool (*next)(struct vmw_piter *); 379 dma_addr_t (*dma_address)(struct vmw_piter *); 380 }; 381 382 383 struct vmw_ttm_tt { 384 struct ttm_tt dma_ttm; 385 struct vmw_private *dev_priv; 386 int gmr_id; 387 struct vmw_mob *mob; 388 int mem_type; 389 struct sg_table sgt; 390 struct vmw_sg_table vsgt; 391 bool mapped; 392 bool bound; 393 }; 394 395 /* 396 * enum vmw_display_unit_type - Describes the display unit 397 */ 398 enum vmw_display_unit_type { 399 vmw_du_invalid = 0, 400 vmw_du_legacy, 401 vmw_du_screen_object, 402 vmw_du_screen_target, 403 vmw_du_max 404 }; 405 406 struct vmw_validation_context; 407 struct vmw_ctx_validation_info; 408 409 /** 410 * struct vmw_sw_context - Command submission context 411 * @res_ht: Pointer hash table used to find validation duplicates 412 * @kernel: Whether the command buffer originates from kernel code rather 413 * than from user-space 414 * @fp: If @kernel is false, points to the file of the client. Otherwise 415 * NULL 416 * @cmd_bounce: Command bounce buffer used for command validation before 417 * copying to fifo space 418 * @cmd_bounce_size: Current command bounce buffer size 419 * @cur_query_bo: Current buffer object used as query result buffer 420 * @bo_relocations: List of buffer object relocations 421 * @res_relocations: List of resource relocations 422 * @buf_start: Pointer to start of memory where command validation takes 423 * place 424 * @res_cache: Cache of recently looked up resources 425 * @last_query_ctx: Last context that submitted a query 426 * @needs_post_query_barrier: Whether a query barrier is needed after 427 * command submission 428 * @staged_bindings: Cached per-context binding tracker 429 * @staged_bindings_inuse: Whether the cached per-context binding tracker 430 * is in use 431 * @staged_cmd_res: List of staged command buffer managed resources in this 432 * command buffer 433 * @ctx_list: List of context resources referenced in this command buffer 434 * @dx_ctx_node: Validation metadata of the current DX context 435 * @dx_query_mob: The MOB used for DX queries 436 * @dx_query_ctx: The DX context used for the last DX query 437 * @man: Pointer to the command buffer managed resource manager 438 * @ctx: The validation context 439 */ 440 struct vmw_sw_context{ 441 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER); 442 bool kernel; 443 struct vmw_fpriv *fp; 444 struct drm_file *filp; 445 uint32_t *cmd_bounce; 446 uint32_t cmd_bounce_size; 447 struct vmw_buffer_object *cur_query_bo; 448 struct list_head bo_relocations; 449 struct list_head res_relocations; 450 uint32_t *buf_start; 451 struct vmw_res_cache_entry res_cache[vmw_res_max]; 452 struct vmw_resource *last_query_ctx; 453 bool needs_post_query_barrier; 454 struct vmw_ctx_binding_state *staged_bindings; 455 bool staged_bindings_inuse; 456 struct list_head staged_cmd_res; 457 struct list_head ctx_list; 458 struct vmw_ctx_validation_info *dx_ctx_node; 459 struct vmw_buffer_object *dx_query_mob; 460 struct vmw_resource *dx_query_ctx; 461 struct vmw_cmdbuf_res_manager *man; 462 struct vmw_validation_context *ctx; 463 }; 464 465 struct vmw_legacy_display; 466 struct vmw_overlay; 467 468 struct vmw_vga_topology_state { 469 uint32_t width; 470 uint32_t height; 471 uint32_t primary; 472 uint32_t pos_x; 473 uint32_t pos_y; 474 }; 475 476 477 /* 478 * struct vmw_otable - Guest Memory OBject table metadata 479 * 480 * @size: Size of the table (page-aligned). 481 * @page_table: Pointer to a struct vmw_mob holding the page table. 482 */ 483 struct vmw_otable { 484 unsigned long size; 485 struct vmw_mob *page_table; 486 bool enabled; 487 }; 488 489 struct vmw_otable_batch { 490 unsigned num_otables; 491 struct vmw_otable *otables; 492 struct vmw_resource *context; 493 struct ttm_buffer_object *otable_bo; 494 }; 495 496 enum { 497 VMW_IRQTHREAD_FENCE, 498 VMW_IRQTHREAD_CMDBUF, 499 VMW_IRQTHREAD_MAX 500 }; 501 502 /** 503 * enum vmw_sm_type - Graphics context capability supported by device. 504 * @VMW_SM_LEGACY: Pre DX context. 505 * @VMW_SM_4: Context support upto SM4. 506 * @VMW_SM_4_1: Context support upto SM4_1. 507 * @VMW_SM_5: Context support up to SM5. 508 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 509 * @VMW_SM_MAX: Should be the last. 510 */ 511 enum vmw_sm_type { 512 VMW_SM_LEGACY = 0, 513 VMW_SM_4, 514 VMW_SM_4_1, 515 VMW_SM_5, 516 VMW_SM_5_1X, 517 VMW_SM_MAX 518 }; 519 520 struct vmw_private { 521 struct drm_device drm; 522 struct ttm_device bdev; 523 524 struct drm_vma_offset_manager vma_manager; 525 u32 pci_id; 526 resource_size_t io_start; 527 resource_size_t vram_start; 528 resource_size_t vram_size; 529 resource_size_t max_primary_mem; 530 u32 __iomem *rmmio; 531 u32 *fifo_mem; 532 resource_size_t fifo_mem_size; 533 uint32_t fb_max_width; 534 uint32_t fb_max_height; 535 uint32_t texture_max_width; 536 uint32_t texture_max_height; 537 uint32_t stdu_max_width; 538 uint32_t stdu_max_height; 539 uint32_t initial_width; 540 uint32_t initial_height; 541 uint32_t capabilities; 542 uint32_t capabilities2; 543 uint32_t max_gmr_ids; 544 uint32_t max_gmr_pages; 545 uint32_t max_mob_pages; 546 uint32_t max_mob_size; 547 uint32_t memory_size; 548 bool has_gmr; 549 bool has_mob; 550 spinlock_t hw_lock; 551 bool assume_16bpp; 552 u32 irqs[VMWGFX_MAX_NUM_IRQS]; 553 u32 num_irq_vectors; 554 555 enum vmw_sm_type sm_type; 556 557 /* 558 * Framebuffer info. 559 */ 560 561 enum vmw_display_unit_type active_display_unit; 562 struct vmw_legacy_display *ldu_priv; 563 struct vmw_overlay *overlay_priv; 564 struct drm_property *hotplug_mode_update_property; 565 struct drm_property *implicit_placement_property; 566 spinlock_t cursor_lock; 567 struct drm_atomic_state *suspend_state; 568 569 /* 570 * Context and surface management. 571 */ 572 573 spinlock_t resource_lock; 574 struct idr res_idr[vmw_res_max]; 575 576 /* 577 * A resource manager for kernel-only surfaces and 578 * contexts. 579 */ 580 581 struct ttm_object_device *tdev; 582 583 /* 584 * Fencing and IRQs. 585 */ 586 587 atomic_t marker_seq; 588 wait_queue_head_t fence_queue; 589 wait_queue_head_t fifo_queue; 590 spinlock_t waiter_lock; 591 int fence_queue_waiters; /* Protected by waiter_lock */ 592 int goal_queue_waiters; /* Protected by waiter_lock */ 593 int cmdbuf_waiters; /* Protected by waiter_lock */ 594 int error_waiters; /* Protected by waiter_lock */ 595 int fifo_queue_waiters; /* Protected by waiter_lock */ 596 uint32_t last_read_seqno; 597 struct vmw_fence_manager *fman; 598 uint32_t irq_mask; /* Updates protected by waiter_lock */ 599 600 /* 601 * Device state 602 */ 603 604 uint32_t traces_state; 605 uint32_t enable_state; 606 uint32_t config_done_state; 607 608 /** 609 * Execbuf 610 */ 611 /** 612 * Protected by the cmdbuf mutex. 613 */ 614 615 struct vmw_sw_context ctx; 616 struct mutex cmdbuf_mutex; 617 struct mutex binding_mutex; 618 619 /** 620 * PM management. 621 */ 622 struct notifier_block pm_nb; 623 bool refuse_hibernation; 624 bool suspend_locked; 625 626 atomic_t num_fifo_resources; 627 628 /* 629 * Query processing. These members 630 * are protected by the cmdbuf mutex. 631 */ 632 633 struct vmw_buffer_object *dummy_query_bo; 634 struct vmw_buffer_object *pinned_bo; 635 uint32_t query_cid; 636 uint32_t query_cid_valid; 637 bool dummy_query_bo_pinned; 638 639 /* 640 * Surface swapping. The "surface_lru" list is protected by the 641 * resource lock in order to be able to destroy a surface and take 642 * it off the lru atomically. "used_memory_size" is currently 643 * protected by the cmdbuf mutex for simplicity. 644 */ 645 646 struct list_head res_lru[vmw_res_max]; 647 uint32_t used_memory_size; 648 649 /* 650 * DMA mapping stuff. 651 */ 652 enum vmw_dma_map_mode map_mode; 653 654 /* 655 * Guest Backed stuff 656 */ 657 struct vmw_otable_batch otable_batch; 658 659 struct vmw_fifo_state *fifo; 660 struct vmw_cmdbuf_man *cman; 661 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 662 663 uint32 *devcaps; 664 665 /* 666 * mksGuestStat instance-descriptor and pid arrays 667 */ 668 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 669 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 670 671 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 672 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 673 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 674 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 675 #endif 676 }; 677 678 static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj) 679 { 680 return container_of((gobj), struct vmw_buffer_object, base.base); 681 } 682 683 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 684 { 685 return container_of(res, struct vmw_surface, res); 686 } 687 688 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 689 { 690 return (struct vmw_private *)dev->dev_private; 691 } 692 693 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 694 { 695 return (struct vmw_fpriv *)file_priv->driver_priv; 696 } 697 698 /* 699 * SVGA v3 has mmio register access and lacks fifo cmds 700 */ 701 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 702 { 703 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 704 } 705 706 /* 707 * The locking here is fine-grained, so that it is performed once 708 * for every read- and write operation. This is of course costly, but we 709 * don't perform much register access in the timing critical paths anyway. 710 * Instead we have the extra benefit of being sure that we don't forget 711 * the hw lock around register accesses. 712 */ 713 static inline void vmw_write(struct vmw_private *dev_priv, 714 unsigned int offset, uint32_t value) 715 { 716 if (vmw_is_svga_v3(dev_priv)) { 717 iowrite32(value, dev_priv->rmmio + offset); 718 } else { 719 spin_lock(&dev_priv->hw_lock); 720 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 721 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 722 spin_unlock(&dev_priv->hw_lock); 723 } 724 } 725 726 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 727 unsigned int offset) 728 { 729 u32 val; 730 731 if (vmw_is_svga_v3(dev_priv)) { 732 val = ioread32(dev_priv->rmmio + offset); 733 } else { 734 spin_lock(&dev_priv->hw_lock); 735 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 736 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 737 spin_unlock(&dev_priv->hw_lock); 738 } 739 740 return val; 741 } 742 743 /** 744 * has_sm4_context - Does the device support SM4 context. 745 * @dev_priv: Device private. 746 * 747 * Return: Bool value if device support SM4 context or not. 748 */ 749 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 750 { 751 return (dev_priv->sm_type >= VMW_SM_4); 752 } 753 754 /** 755 * has_sm4_1_context - Does the device support SM4_1 context. 756 * @dev_priv: Device private. 757 * 758 * Return: Bool value if device support SM4_1 context or not. 759 */ 760 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 761 { 762 return (dev_priv->sm_type >= VMW_SM_4_1); 763 } 764 765 /** 766 * has_sm5_context - Does the device support SM5 context. 767 * @dev_priv: Device private. 768 * 769 * Return: Bool value if device support SM5 context or not. 770 */ 771 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 772 { 773 return (dev_priv->sm_type >= VMW_SM_5); 774 } 775 776 /** 777 * has_gl43_context - Does the device support GL43 context. 778 * @dev_priv: Device private. 779 * 780 * Return: Bool value if device support SM5 context or not. 781 */ 782 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 783 { 784 return (dev_priv->sm_type >= VMW_SM_5_1X); 785 } 786 787 788 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 789 { 790 return (has_gl43_context(dev_priv) ? 791 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 792 } 793 794 extern void vmw_svga_enable(struct vmw_private *dev_priv); 795 extern void vmw_svga_disable(struct vmw_private *dev_priv); 796 797 798 /** 799 * GMR utilities - vmwgfx_gmr.c 800 */ 801 802 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 803 const struct vmw_sg_table *vsgt, 804 unsigned long num_pages, 805 int gmr_id); 806 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 807 808 /** 809 * Resource utilities - vmwgfx_resource.c 810 */ 811 struct vmw_user_resource_conv; 812 813 extern void vmw_resource_unreference(struct vmw_resource **p_res); 814 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 815 extern struct vmw_resource * 816 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 817 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 818 bool dirtying); 819 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 820 bool no_backup); 821 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 822 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 823 struct drm_file *filp, 824 uint32_t handle, 825 struct vmw_surface **out_surf, 826 struct vmw_buffer_object **out_buf); 827 extern int vmw_user_resource_lookup_handle( 828 struct vmw_private *dev_priv, 829 struct ttm_object_file *tfile, 830 uint32_t handle, 831 const struct vmw_user_resource_conv *converter, 832 struct vmw_resource **p_res); 833 834 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 835 struct drm_file *file_priv); 836 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 837 struct drm_file *file_priv); 838 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 839 struct ttm_object_file *tfile, 840 uint32_t *inout_id, 841 struct vmw_resource **out); 842 extern void vmw_resource_unreserve(struct vmw_resource *res, 843 bool dirty_set, 844 bool dirty, 845 bool switch_backup, 846 struct vmw_buffer_object *new_backup, 847 unsigned long new_backup_offset); 848 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 849 struct ttm_resource *old_mem, 850 struct ttm_resource *new_mem); 851 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 852 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 853 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 854 void vmw_resource_mob_attach(struct vmw_resource *res); 855 void vmw_resource_mob_detach(struct vmw_resource *res); 856 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 857 pgoff_t end); 858 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 859 pgoff_t end, pgoff_t *num_prefault); 860 861 /** 862 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 863 * @res: The resource 864 * 865 * Return: true if the resource has a mob attached, false otherwise. 866 */ 867 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 868 { 869 return !RB_EMPTY_NODE(&res->mob_node); 870 } 871 872 /** 873 * Buffer object helper functions - vmwgfx_bo.c 874 */ 875 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 876 struct vmw_buffer_object *bo, 877 struct ttm_placement *placement, 878 bool interruptible); 879 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 880 struct vmw_buffer_object *buf, 881 bool interruptible); 882 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 883 struct vmw_buffer_object *buf, 884 bool interruptible); 885 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 886 struct vmw_buffer_object *bo, 887 bool interruptible); 888 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 889 struct vmw_buffer_object *bo, 890 bool interruptible); 891 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 892 SVGAGuestPtr *ptr); 893 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 894 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 895 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 896 unsigned long size, 897 struct ttm_placement *placement, 898 struct ttm_buffer_object **p_bo); 899 extern int vmw_bo_create(struct vmw_private *dev_priv, 900 size_t size, struct ttm_placement *placement, 901 bool interruptible, bool pin, 902 void (*bo_free)(struct ttm_buffer_object *bo), 903 struct vmw_buffer_object **p_bo); 904 extern int vmw_bo_init(struct vmw_private *dev_priv, 905 struct vmw_buffer_object *vmw_bo, 906 size_t size, struct ttm_placement *placement, 907 bool interruptible, bool pin, 908 void (*bo_free)(struct ttm_buffer_object *bo)); 909 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 910 struct drm_file *file_priv); 911 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 912 struct drm_file *file_priv); 913 extern int vmw_user_bo_lookup(struct drm_file *filp, 914 uint32_t handle, 915 struct vmw_buffer_object **out); 916 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 917 struct vmw_fence_obj *fence); 918 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 919 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 920 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 921 struct ttm_resource *mem); 922 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 923 924 /** 925 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 926 * according to attached resources 927 * @vbo: The struct vmw_buffer_object 928 */ 929 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 930 { 931 int i = ARRAY_SIZE(vbo->res_prios); 932 933 while (i--) { 934 if (vbo->res_prios[i]) { 935 vbo->base.priority = i; 936 return; 937 } 938 } 939 940 vbo->base.priority = 3; 941 } 942 943 /** 944 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 945 * eviction priority 946 * @vbo: The struct vmw_buffer_object 947 * @prio: The resource priority 948 * 949 * After being notified, the code assigns the highest resource eviction priority 950 * to the backing buffer object (mob). 951 */ 952 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 953 { 954 if (vbo->res_prios[prio]++ == 0) 955 vmw_bo_prio_adjust(vbo); 956 } 957 958 /** 959 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 960 * priority being removed 961 * @vbo: The struct vmw_buffer_object 962 * @prio: The resource priority 963 * 964 * After being notified, the code assigns the highest resource eviction priority 965 * to the backing buffer object (mob). 966 */ 967 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 968 { 969 if (--vbo->res_prios[prio] == 0) 970 vmw_bo_prio_adjust(vbo); 971 } 972 973 /** 974 * GEM related functionality - vmwgfx_gem.c 975 */ 976 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 977 struct drm_file *filp, 978 uint32_t size, 979 uint32_t *handle, 980 struct vmw_buffer_object **p_vbo); 981 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 982 struct drm_file *filp); 983 extern void vmw_gem_destroy(struct ttm_buffer_object *bo); 984 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 985 986 /** 987 * Misc Ioctl functionality - vmwgfx_ioctl.c 988 */ 989 990 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 991 struct drm_file *file_priv); 992 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 993 struct drm_file *file_priv); 994 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 995 struct drm_file *file_priv); 996 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 997 struct drm_file *file_priv); 998 999 /** 1000 * Fifo utilities - vmwgfx_fifo.c 1001 */ 1002 1003 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 1004 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 1005 extern bool vmw_cmd_supported(struct vmw_private *vmw); 1006 extern void * 1007 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 1008 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 1009 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 1010 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 1011 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 1012 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 1013 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 1014 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 1015 uint32_t cid); 1016 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 1017 bool interruptible); 1018 1019 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 1020 ({ \ 1021 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 1022 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 1023 __func__, (unsigned int) __bytes); \ 1024 NULL; \ 1025 }); \ 1026 }) 1027 1028 #define VMW_CMD_RESERVE(__priv, __bytes) \ 1029 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 1030 1031 1032 /** 1033 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1034 * queue or 0 if fifo memory isn't present. 1035 * @dev_priv: The device private context 1036 */ 1037 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1038 { 1039 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1040 return 0; 1041 return dev_priv->fifo->capabilities; 1042 } 1043 1044 1045 /** 1046 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1047 * is enabled in the FIFO. 1048 * @dev_priv: The device private context 1049 */ 1050 static inline bool 1051 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1052 { 1053 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1054 } 1055 1056 /** 1057 * TTM glue - vmwgfx_ttm_glue.c 1058 */ 1059 1060 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1061 1062 /** 1063 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1064 */ 1065 1066 extern const size_t vmw_tt_size; 1067 extern struct ttm_placement vmw_vram_placement; 1068 extern struct ttm_placement vmw_vram_sys_placement; 1069 extern struct ttm_placement vmw_vram_gmr_placement; 1070 extern struct ttm_placement vmw_sys_placement; 1071 extern struct ttm_placement vmw_srf_placement; 1072 extern struct ttm_placement vmw_mob_placement; 1073 extern struct ttm_placement vmw_nonfixed_placement; 1074 extern struct ttm_device_funcs vmw_bo_driver; 1075 extern const struct vmw_sg_table * 1076 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1077 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1078 unsigned long bo_size, 1079 struct ttm_buffer_object **bo_p); 1080 1081 extern void vmw_piter_start(struct vmw_piter *viter, 1082 const struct vmw_sg_table *vsgt, 1083 unsigned long p_offs); 1084 1085 /** 1086 * vmw_piter_next - Advance the iterator one page. 1087 * 1088 * @viter: Pointer to the iterator to advance. 1089 * 1090 * Returns false if past the list of pages, true otherwise. 1091 */ 1092 static inline bool vmw_piter_next(struct vmw_piter *viter) 1093 { 1094 return viter->next(viter); 1095 } 1096 1097 /** 1098 * vmw_piter_dma_addr - Return the DMA address of the current page. 1099 * 1100 * @viter: Pointer to the iterator 1101 * 1102 * Returns the DMA address of the page pointed to by @viter. 1103 */ 1104 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1105 { 1106 return viter->dma_address(viter); 1107 } 1108 1109 /** 1110 * vmw_piter_page - Return a pointer to the current page. 1111 * 1112 * @viter: Pointer to the iterator 1113 * 1114 * Returns the DMA address of the page pointed to by @viter. 1115 */ 1116 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1117 { 1118 return viter->pages[viter->i]; 1119 } 1120 1121 /** 1122 * Command submission - vmwgfx_execbuf.c 1123 */ 1124 1125 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1126 struct drm_file *file_priv); 1127 extern int vmw_execbuf_process(struct drm_file *file_priv, 1128 struct vmw_private *dev_priv, 1129 void __user *user_commands, 1130 void *kernel_commands, 1131 uint32_t command_size, 1132 uint64_t throttle_us, 1133 uint32_t dx_context_handle, 1134 struct drm_vmw_fence_rep __user 1135 *user_fence_rep, 1136 struct vmw_fence_obj **out_fence, 1137 uint32_t flags); 1138 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1139 struct vmw_fence_obj *fence); 1140 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1141 1142 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1143 struct vmw_private *dev_priv, 1144 struct vmw_fence_obj **p_fence, 1145 uint32_t *p_handle); 1146 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1147 struct vmw_fpriv *vmw_fp, 1148 int ret, 1149 struct drm_vmw_fence_rep __user 1150 *user_fence_rep, 1151 struct vmw_fence_obj *fence, 1152 uint32_t fence_handle, 1153 int32_t out_fence_fd); 1154 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1155 1156 /** 1157 * IRQs and wating - vmwgfx_irq.c 1158 */ 1159 1160 extern int vmw_irq_install(struct vmw_private *dev_priv); 1161 extern void vmw_irq_uninstall(struct drm_device *dev); 1162 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1163 uint32_t seqno); 1164 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1165 bool lazy, 1166 bool fifo_idle, 1167 uint32_t seqno, 1168 bool interruptible, 1169 unsigned long timeout); 1170 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1171 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1172 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1173 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1174 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1175 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1176 int *waiter_count); 1177 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1178 u32 flag, int *waiter_count); 1179 1180 /** 1181 * Kernel modesetting - vmwgfx_kms.c 1182 */ 1183 1184 int vmw_kms_init(struct vmw_private *dev_priv); 1185 int vmw_kms_close(struct vmw_private *dev_priv); 1186 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1187 struct drm_file *file_priv); 1188 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1189 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1190 struct ttm_object_file *tfile, 1191 struct ttm_buffer_object *bo, 1192 SVGA3dCmdHeader *header); 1193 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1194 unsigned width, unsigned height, unsigned pitch, 1195 unsigned bpp, unsigned depth); 1196 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1197 uint32_t pitch, 1198 uint32_t height); 1199 int vmw_kms_present(struct vmw_private *dev_priv, 1200 struct drm_file *file_priv, 1201 struct vmw_framebuffer *vfb, 1202 struct vmw_surface *surface, 1203 uint32_t sid, int32_t destX, int32_t destY, 1204 struct drm_vmw_rect *clips, 1205 uint32_t num_clips); 1206 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1209 int vmw_kms_suspend(struct drm_device *dev); 1210 int vmw_kms_resume(struct drm_device *dev); 1211 void vmw_kms_lost_device(struct drm_device *dev); 1212 1213 int vmw_dumb_create(struct drm_file *file_priv, 1214 struct drm_device *dev, 1215 struct drm_mode_create_dumb *args); 1216 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1217 extern void vmw_resource_unpin(struct vmw_resource *res); 1218 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1219 1220 /** 1221 * Overlay control - vmwgfx_overlay.c 1222 */ 1223 1224 int vmw_overlay_init(struct vmw_private *dev_priv); 1225 int vmw_overlay_close(struct vmw_private *dev_priv); 1226 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1227 struct drm_file *file_priv); 1228 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1229 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1230 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1231 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1232 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1233 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1234 1235 /** 1236 * GMR Id manager 1237 */ 1238 1239 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1240 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1241 1242 /** 1243 * System memory manager 1244 */ 1245 int vmw_sys_man_init(struct vmw_private *dev_priv); 1246 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1247 1248 /** 1249 * Prime - vmwgfx_prime.c 1250 */ 1251 1252 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1253 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1254 struct drm_file *file_priv, 1255 int fd, u32 *handle); 1256 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1257 struct drm_file *file_priv, 1258 uint32_t handle, uint32_t flags, 1259 int *prime_fd); 1260 1261 /* 1262 * MemoryOBject management - vmwgfx_mob.c 1263 */ 1264 struct vmw_mob; 1265 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1266 const struct vmw_sg_table *vsgt, 1267 unsigned long num_data_pages, int32_t mob_id); 1268 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1269 struct vmw_mob *mob); 1270 extern void vmw_mob_destroy(struct vmw_mob *mob); 1271 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1272 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1273 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1274 1275 /* 1276 * Context management - vmwgfx_context.c 1277 */ 1278 1279 extern const struct vmw_user_resource_conv *user_context_converter; 1280 1281 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1282 struct drm_file *file_priv); 1283 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1284 struct drm_file *file_priv); 1285 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1286 struct drm_file *file_priv); 1287 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1288 extern struct vmw_cmdbuf_res_manager * 1289 vmw_context_res_man(struct vmw_resource *ctx); 1290 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1291 SVGACOTableType cotable_type); 1292 struct vmw_ctx_binding_state; 1293 extern struct vmw_ctx_binding_state * 1294 vmw_context_binding_state(struct vmw_resource *ctx); 1295 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1296 bool readback); 1297 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1298 struct vmw_buffer_object *mob); 1299 extern struct vmw_buffer_object * 1300 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1301 1302 1303 /* 1304 * Surface management - vmwgfx_surface.c 1305 */ 1306 1307 extern const struct vmw_user_resource_conv *user_surface_converter; 1308 1309 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1310 struct drm_file *file_priv); 1311 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1312 struct drm_file *file_priv); 1313 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1314 struct drm_file *file_priv); 1315 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1316 struct drm_file *file_priv); 1317 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1318 struct drm_file *file_priv); 1319 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1320 void *data, 1321 struct drm_file *file_priv); 1322 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1323 void *data, 1324 struct drm_file *file_priv); 1325 1326 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1327 const struct vmw_surface_metadata *req, 1328 struct vmw_surface **srf_out); 1329 1330 /* 1331 * Shader management - vmwgfx_shader.c 1332 */ 1333 1334 extern const struct vmw_user_resource_conv *user_shader_converter; 1335 1336 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1337 struct drm_file *file_priv); 1338 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1339 struct drm_file *file_priv); 1340 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1341 struct vmw_cmdbuf_res_manager *man, 1342 u32 user_key, const void *bytecode, 1343 SVGA3dShaderType shader_type, 1344 size_t size, 1345 struct list_head *list); 1346 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1347 u32 user_key, SVGA3dShaderType shader_type, 1348 struct list_head *list); 1349 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1350 struct vmw_resource *ctx, 1351 u32 user_key, 1352 SVGA3dShaderType shader_type, 1353 struct list_head *list); 1354 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1355 struct list_head *list, 1356 bool readback); 1357 1358 extern struct vmw_resource * 1359 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1360 u32 user_key, SVGA3dShaderType shader_type); 1361 1362 /* 1363 * Streamoutput management 1364 */ 1365 struct vmw_resource * 1366 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1367 u32 user_key); 1368 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1369 struct vmw_resource *ctx, 1370 SVGA3dStreamOutputId user_key, 1371 struct list_head *list); 1372 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1373 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1374 SVGA3dStreamOutputId user_key, 1375 struct list_head *list); 1376 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1377 struct list_head *list, 1378 bool readback); 1379 1380 /* 1381 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1382 */ 1383 1384 extern struct vmw_cmdbuf_res_manager * 1385 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1386 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1387 extern struct vmw_resource * 1388 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1389 enum vmw_cmdbuf_res_type res_type, 1390 u32 user_key); 1391 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1392 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1393 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1394 enum vmw_cmdbuf_res_type res_type, 1395 u32 user_key, 1396 struct vmw_resource *res, 1397 struct list_head *list); 1398 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1399 enum vmw_cmdbuf_res_type res_type, 1400 u32 user_key, 1401 struct list_head *list, 1402 struct vmw_resource **res); 1403 1404 /* 1405 * COTable management - vmwgfx_cotable.c 1406 */ 1407 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1408 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1409 struct vmw_resource *ctx, 1410 u32 type); 1411 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1412 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1413 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1414 struct list_head *head); 1415 1416 /* 1417 * Command buffer managerment vmwgfx_cmdbuf.c 1418 */ 1419 struct vmw_cmdbuf_man; 1420 struct vmw_cmdbuf_header; 1421 1422 extern struct vmw_cmdbuf_man * 1423 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1424 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1425 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1426 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1427 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1428 unsigned long timeout); 1429 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1430 int ctx_id, bool interruptible, 1431 struct vmw_cmdbuf_header *header); 1432 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1433 struct vmw_cmdbuf_header *header, 1434 bool flush); 1435 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1436 size_t size, bool interruptible, 1437 struct vmw_cmdbuf_header **p_header); 1438 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1439 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1440 bool interruptible); 1441 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1442 1443 /* CPU blit utilities - vmwgfx_blit.c */ 1444 1445 /** 1446 * struct vmw_diff_cpy - CPU blit information structure 1447 * 1448 * @rect: The output bounding box rectangle. 1449 * @line: The current line of the blit. 1450 * @line_offset: Offset of the current line segment. 1451 * @cpp: Bytes per pixel (granularity information). 1452 * @memcpy: Which memcpy function to use. 1453 */ 1454 struct vmw_diff_cpy { 1455 struct drm_rect rect; 1456 size_t line; 1457 size_t line_offset; 1458 int cpp; 1459 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1460 size_t n); 1461 }; 1462 1463 #define VMW_CPU_BLIT_INITIALIZER { \ 1464 .do_cpy = vmw_memcpy, \ 1465 } 1466 1467 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1468 .line = 0, \ 1469 .line_offset = 0, \ 1470 .rect = { .x1 = INT_MAX/2, \ 1471 .y1 = INT_MAX/2, \ 1472 .x2 = INT_MIN/2, \ 1473 .y2 = INT_MIN/2 \ 1474 }, \ 1475 .cpp = _cpp, \ 1476 .do_cpy = vmw_diff_memcpy, \ 1477 } 1478 1479 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1480 size_t n); 1481 1482 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1483 1484 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1485 u32 dst_offset, u32 dst_stride, 1486 struct ttm_buffer_object *src, 1487 u32 src_offset, u32 src_stride, 1488 u32 w, u32 h, 1489 struct vmw_diff_cpy *diff); 1490 1491 /* Host messaging -vmwgfx_msg.c: */ 1492 int vmw_host_get_guestinfo(const char *guest_info_param, 1493 char *buffer, size_t *length); 1494 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1495 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1496 struct drm_file *file_priv); 1497 1498 /* Host mksGuestStats -vmwgfx_msg.c: */ 1499 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1500 1501 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1502 struct drm_file *file_priv); 1503 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1504 struct drm_file *file_priv); 1505 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1506 struct drm_file *file_priv); 1507 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1508 1509 /* VMW logging */ 1510 1511 /** 1512 * VMW_DEBUG_USER - Debug output for user-space debugging. 1513 * 1514 * @fmt: printf() like format string. 1515 * 1516 * This macro is for logging user-space error and debugging messages for e.g. 1517 * command buffer execution errors due to malformed commands, invalid context, 1518 * etc. 1519 */ 1520 #define VMW_DEBUG_USER(fmt, ...) \ 1521 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1522 1523 /* Resource dirtying - vmwgfx_page_dirty.c */ 1524 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1525 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1526 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1527 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1528 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1529 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1530 pgoff_t start, pgoff_t end); 1531 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1532 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1533 1534 1535 /** 1536 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1537 * 1538 * This macro is for debugging vmwgfx mode-setting code. 1539 */ 1540 #define VMW_DEBUG_KMS(fmt, ...) \ 1541 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1542 1543 /** 1544 * Inline helper functions 1545 */ 1546 1547 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1548 { 1549 struct vmw_surface *tmp_srf = *srf; 1550 struct vmw_resource *res = &tmp_srf->res; 1551 *srf = NULL; 1552 1553 vmw_resource_unreference(&res); 1554 } 1555 1556 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1557 { 1558 (void) vmw_resource_reference(&srf->res); 1559 return srf; 1560 } 1561 1562 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1563 { 1564 struct vmw_buffer_object *tmp_buf = *buf; 1565 1566 *buf = NULL; 1567 if (tmp_buf != NULL) 1568 ttm_bo_put(&tmp_buf->base); 1569 } 1570 1571 static inline struct vmw_buffer_object * 1572 vmw_bo_reference(struct vmw_buffer_object *buf) 1573 { 1574 ttm_bo_get(&buf->base); 1575 return buf; 1576 } 1577 1578 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1579 { 1580 atomic_inc(&dev_priv->num_fifo_resources); 1581 } 1582 1583 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1584 { 1585 atomic_dec(&dev_priv->num_fifo_resources); 1586 } 1587 1588 /** 1589 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1590 * 1591 * @fifo_reg: The fifo register to read from 1592 * 1593 * This function is intended to be equivalent to ioread32() on 1594 * memremap'd memory, but without byteswapping. 1595 */ 1596 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1597 { 1598 BUG_ON(vmw_is_svga_v3(vmw)); 1599 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1600 } 1601 1602 /** 1603 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1604 * 1605 * @addr: The fifo register to write to 1606 * 1607 * This function is intended to be equivalent to iowrite32 on 1608 * memremap'd memory, but without byteswapping. 1609 */ 1610 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1611 u32 value) 1612 { 1613 BUG_ON(vmw_is_svga_v3(vmw)); 1614 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1615 } 1616 1617 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1618 { 1619 u32 fence; 1620 if (vmw_is_svga_v3(dev_priv)) 1621 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1622 else 1623 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1624 return fence; 1625 } 1626 1627 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1628 u32 fence) 1629 { 1630 BUG_ON(vmw_is_svga_v3(dev_priv)); 1631 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1632 } 1633 1634 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1635 { 1636 u32 status; 1637 if (vmw_is_svga_v3(vmw)) 1638 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1639 else 1640 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1641 return status; 1642 } 1643 1644 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1645 uint32 status) 1646 { 1647 if (vmw_is_svga_v3(vmw)) 1648 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1649 else 1650 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1651 } 1652 1653 static inline bool vmw_has_fences(struct vmw_private *vmw) 1654 { 1655 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1656 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1657 return true; 1658 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1659 } 1660 1661 #endif 1662