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 MKSSTAT_CAPACITY_LOG2 5U 102 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 103 104 struct vmw_fpriv { 105 struct ttm_object_file *tfile; 106 bool gb_aware; /* user-space is guest-backed aware */ 107 }; 108 109 struct vmwgfx_hash_item { 110 struct hlist_node head; 111 unsigned long key; 112 }; 113 114 /** 115 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 116 * @base: The TTM buffer object 117 * @res_tree: RB tree of resources using this buffer object as a backing MOB 118 * @base_mapped_count: ttm BO mapping count; used by KMS atomic helpers. 119 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 120 * increased. May be decreased without reservation. 121 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 122 * @map: Kmap object for semi-persistent mappings 123 * @res_prios: Eviction priority counts for attached resources 124 * @dirty: structure for user-space dirty-tracking 125 */ 126 struct vmw_buffer_object { 127 struct ttm_buffer_object base; 128 struct rb_root res_tree; 129 /* For KMS atomic helpers: ttm bo mapping count */ 130 atomic_t base_mapped_count; 131 132 atomic_t cpu_writers; 133 /* Not ref-counted. Protected by binding_mutex */ 134 struct vmw_resource *dx_query_ctx; 135 /* Protected by reservation */ 136 struct ttm_bo_kmap_obj map; 137 u32 res_prios[TTM_MAX_BO_PRIORITY]; 138 struct vmw_bo_dirty *dirty; 139 }; 140 141 /** 142 * struct vmw_validate_buffer - Carries validation info about buffers. 143 * 144 * @base: Validation info for TTM. 145 * @hash: Hash entry for quick lookup of the TTM buffer object. 146 * 147 * This structure contains also driver private validation info 148 * on top of the info needed by TTM. 149 */ 150 struct vmw_validate_buffer { 151 struct ttm_validate_buffer base; 152 struct vmwgfx_hash_item hash; 153 bool validate_as_mob; 154 }; 155 156 struct vmw_res_func; 157 158 159 /** 160 * struct vmw-resource - base class for hardware resources 161 * 162 * @kref: For refcounting. 163 * @dev_priv: Pointer to the device private for this resource. Immutable. 164 * @id: Device id. Protected by @dev_priv::resource_lock. 165 * @backup_size: Backup buffer size. Immutable. 166 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 167 * by resource reserved. 168 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 169 * Protected by resource reserved. 170 * @coherent: Emulate coherency by tracking vm accesses. 171 * @backup: The backup buffer if any. Protected by resource reserved. 172 * @backup_offset: Offset into the backup buffer if any. Protected by resource 173 * reserved. Note that only a few resource types can have a @backup_offset 174 * different from zero. 175 * @pin_count: The pin count for this resource. A pinned resource has a 176 * pin-count greater than zero. It is not on the resource LRU lists and its 177 * backup buffer is pinned. Hence it can't be evicted. 178 * @func: Method vtable for this resource. Immutable. 179 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 180 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 181 * @binding_head: List head for the context binding list. Protected by 182 * the @dev_priv::binding_mutex 183 * @res_free: The resource destructor. 184 * @hw_destroy: Callback to destroy the resource on the device, as part of 185 * resource destruction. 186 */ 187 struct vmw_resource_dirty; 188 struct vmw_resource { 189 struct kref kref; 190 struct vmw_private *dev_priv; 191 int id; 192 u32 used_prio; 193 unsigned long backup_size; 194 u32 res_dirty : 1; 195 u32 backup_dirty : 1; 196 u32 coherent : 1; 197 struct vmw_buffer_object *backup; 198 unsigned long backup_offset; 199 unsigned long pin_count; 200 const struct vmw_res_func *func; 201 struct rb_node mob_node; 202 struct list_head lru_head; 203 struct list_head binding_head; 204 struct vmw_resource_dirty *dirty; 205 void (*res_free) (struct vmw_resource *res); 206 void (*hw_destroy) (struct vmw_resource *res); 207 }; 208 209 210 /* 211 * Resources that are managed using ioctls. 212 */ 213 enum vmw_res_type { 214 vmw_res_context, 215 vmw_res_surface, 216 vmw_res_stream, 217 vmw_res_shader, 218 vmw_res_dx_context, 219 vmw_res_cotable, 220 vmw_res_view, 221 vmw_res_streamoutput, 222 vmw_res_max 223 }; 224 225 /* 226 * Resources that are managed using command streams. 227 */ 228 enum vmw_cmdbuf_res_type { 229 vmw_cmdbuf_res_shader, 230 vmw_cmdbuf_res_view, 231 vmw_cmdbuf_res_streamoutput 232 }; 233 234 struct vmw_cmdbuf_res_manager; 235 236 struct vmw_cursor_snooper { 237 size_t age; 238 uint32_t *image; 239 }; 240 241 struct vmw_framebuffer; 242 struct vmw_surface_offset; 243 244 /** 245 * struct vmw_surface_metadata - Metadata describing a surface. 246 * 247 * @flags: Device flags. 248 * @format: Surface SVGA3D_x format. 249 * @mip_levels: Mip level for each face. For GB first index is used only. 250 * @multisample_count: Sample count. 251 * @multisample_pattern: Sample patterns. 252 * @quality_level: Quality level. 253 * @autogen_filter: Filter for automatically generated mipmaps. 254 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 255 texture number of faces * array_size. This should be 0 for pre 256 SM4 device. 257 * @buffer_byte_stride: Buffer byte stride. 258 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 259 * @base_size: Surface dimension. 260 * @sizes: Array representing mip sizes. Legacy only. 261 * @scanout: Whether this surface will be used for scanout. 262 * 263 * This tracks metadata for both legacy and guest backed surface. 264 */ 265 struct vmw_surface_metadata { 266 u64 flags; 267 u32 format; 268 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 269 u32 multisample_count; 270 u32 multisample_pattern; 271 u32 quality_level; 272 u32 autogen_filter; 273 u32 array_size; 274 u32 num_sizes; 275 u32 buffer_byte_stride; 276 struct drm_vmw_size base_size; 277 struct drm_vmw_size *sizes; 278 bool scanout; 279 }; 280 281 /** 282 * struct vmw_surface: Resource structure for a surface. 283 * 284 * @res: The base resource for this surface. 285 * @metadata: Metadata for this surface resource. 286 * @snooper: Cursor data. Legacy surface only. 287 * @offsets: Legacy surface only. 288 * @view_list: List of views bound to this surface. 289 */ 290 struct vmw_surface { 291 struct vmw_resource res; 292 struct vmw_surface_metadata metadata; 293 struct vmw_cursor_snooper snooper; 294 struct vmw_surface_offset *offsets; 295 struct list_head view_list; 296 }; 297 298 struct vmw_fifo_state { 299 unsigned long reserved_size; 300 u32 *dynamic_buffer; 301 u32 *static_buffer; 302 unsigned long static_buffer_size; 303 bool using_bounce_buffer; 304 uint32_t capabilities; 305 struct mutex fifo_mutex; 306 struct rw_semaphore rwsem; 307 }; 308 309 /** 310 * struct vmw_res_cache_entry - resource information cache entry 311 * @handle: User-space handle of a resource. 312 * @res: Non-ref-counted pointer to the resource. 313 * @valid_handle: Whether the @handle member is valid. 314 * @valid: Whether the entry is valid, which also implies that the execbuf 315 * code holds a reference to the resource, and it's placed on the 316 * validation list. 317 * 318 * Used to avoid frequent repeated user-space handle lookups of the 319 * same resource. 320 */ 321 struct vmw_res_cache_entry { 322 uint32_t handle; 323 struct vmw_resource *res; 324 void *private; 325 unsigned short valid_handle; 326 unsigned short valid; 327 }; 328 329 /** 330 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 331 */ 332 enum vmw_dma_map_mode { 333 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 334 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 335 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 336 vmw_dma_map_max 337 }; 338 339 /** 340 * struct vmw_sg_table - Scatter/gather table for binding, with additional 341 * device-specific information. 342 * 343 * @sgt: Pointer to a struct sg_table with binding information 344 * @num_regions: Number of regions with device-address contiguous pages 345 */ 346 struct vmw_sg_table { 347 enum vmw_dma_map_mode mode; 348 struct page **pages; 349 const dma_addr_t *addrs; 350 struct sg_table *sgt; 351 unsigned long num_pages; 352 }; 353 354 /** 355 * struct vmw_piter - Page iterator that iterates over a list of pages 356 * and DMA addresses that could be either a scatter-gather list or 357 * arrays 358 * 359 * @pages: Array of page pointers to the pages. 360 * @addrs: DMA addresses to the pages if coherent pages are used. 361 * @iter: Scatter-gather page iterator. Current position in SG list. 362 * @i: Current position in arrays. 363 * @num_pages: Number of pages total. 364 * @next: Function to advance the iterator. Returns false if past the list 365 * of pages, true otherwise. 366 * @dma_address: Function to return the DMA address of the current page. 367 */ 368 struct vmw_piter { 369 struct page **pages; 370 const dma_addr_t *addrs; 371 struct sg_dma_page_iter iter; 372 unsigned long i; 373 unsigned long num_pages; 374 bool (*next)(struct vmw_piter *); 375 dma_addr_t (*dma_address)(struct vmw_piter *); 376 }; 377 378 379 struct vmw_ttm_tt { 380 struct ttm_tt dma_ttm; 381 struct vmw_private *dev_priv; 382 int gmr_id; 383 struct vmw_mob *mob; 384 int mem_type; 385 struct sg_table sgt; 386 struct vmw_sg_table vsgt; 387 bool mapped; 388 bool bound; 389 }; 390 391 /* 392 * enum vmw_display_unit_type - Describes the display unit 393 */ 394 enum vmw_display_unit_type { 395 vmw_du_invalid = 0, 396 vmw_du_legacy, 397 vmw_du_screen_object, 398 vmw_du_screen_target, 399 vmw_du_max 400 }; 401 402 struct vmw_validation_context; 403 struct vmw_ctx_validation_info; 404 405 /** 406 * struct vmw_sw_context - Command submission context 407 * @res_ht: Pointer hash table used to find validation duplicates 408 * @kernel: Whether the command buffer originates from kernel code rather 409 * than from user-space 410 * @fp: If @kernel is false, points to the file of the client. Otherwise 411 * NULL 412 * @cmd_bounce: Command bounce buffer used for command validation before 413 * copying to fifo space 414 * @cmd_bounce_size: Current command bounce buffer size 415 * @cur_query_bo: Current buffer object used as query result buffer 416 * @bo_relocations: List of buffer object relocations 417 * @res_relocations: List of resource relocations 418 * @buf_start: Pointer to start of memory where command validation takes 419 * place 420 * @res_cache: Cache of recently looked up resources 421 * @last_query_ctx: Last context that submitted a query 422 * @needs_post_query_barrier: Whether a query barrier is needed after 423 * command submission 424 * @staged_bindings: Cached per-context binding tracker 425 * @staged_bindings_inuse: Whether the cached per-context binding tracker 426 * is in use 427 * @staged_cmd_res: List of staged command buffer managed resources in this 428 * command buffer 429 * @ctx_list: List of context resources referenced in this command buffer 430 * @dx_ctx_node: Validation metadata of the current DX context 431 * @dx_query_mob: The MOB used for DX queries 432 * @dx_query_ctx: The DX context used for the last DX query 433 * @man: Pointer to the command buffer managed resource manager 434 * @ctx: The validation context 435 */ 436 struct vmw_sw_context{ 437 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER); 438 bool kernel; 439 struct vmw_fpriv *fp; 440 struct drm_file *filp; 441 uint32_t *cmd_bounce; 442 uint32_t cmd_bounce_size; 443 struct vmw_buffer_object *cur_query_bo; 444 struct list_head bo_relocations; 445 struct list_head res_relocations; 446 uint32_t *buf_start; 447 struct vmw_res_cache_entry res_cache[vmw_res_max]; 448 struct vmw_resource *last_query_ctx; 449 bool needs_post_query_barrier; 450 struct vmw_ctx_binding_state *staged_bindings; 451 bool staged_bindings_inuse; 452 struct list_head staged_cmd_res; 453 struct list_head ctx_list; 454 struct vmw_ctx_validation_info *dx_ctx_node; 455 struct vmw_buffer_object *dx_query_mob; 456 struct vmw_resource *dx_query_ctx; 457 struct vmw_cmdbuf_res_manager *man; 458 struct vmw_validation_context *ctx; 459 }; 460 461 struct vmw_legacy_display; 462 struct vmw_overlay; 463 464 struct vmw_vga_topology_state { 465 uint32_t width; 466 uint32_t height; 467 uint32_t primary; 468 uint32_t pos_x; 469 uint32_t pos_y; 470 }; 471 472 473 /* 474 * struct vmw_otable - Guest Memory OBject table metadata 475 * 476 * @size: Size of the table (page-aligned). 477 * @page_table: Pointer to a struct vmw_mob holding the page table. 478 */ 479 struct vmw_otable { 480 unsigned long size; 481 struct vmw_mob *page_table; 482 bool enabled; 483 }; 484 485 struct vmw_otable_batch { 486 unsigned num_otables; 487 struct vmw_otable *otables; 488 struct vmw_resource *context; 489 struct ttm_buffer_object *otable_bo; 490 }; 491 492 enum { 493 VMW_IRQTHREAD_FENCE, 494 VMW_IRQTHREAD_CMDBUF, 495 VMW_IRQTHREAD_MAX 496 }; 497 498 /** 499 * enum vmw_sm_type - Graphics context capability supported by device. 500 * @VMW_SM_LEGACY: Pre DX context. 501 * @VMW_SM_4: Context support upto SM4. 502 * @VMW_SM_4_1: Context support upto SM4_1. 503 * @VMW_SM_5: Context support up to SM5. 504 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 505 * @VMW_SM_MAX: Should be the last. 506 */ 507 enum vmw_sm_type { 508 VMW_SM_LEGACY = 0, 509 VMW_SM_4, 510 VMW_SM_4_1, 511 VMW_SM_5, 512 VMW_SM_5_1X, 513 VMW_SM_MAX 514 }; 515 516 struct vmw_private { 517 struct drm_device drm; 518 struct ttm_device bdev; 519 520 struct drm_vma_offset_manager vma_manager; 521 u32 pci_id; 522 resource_size_t io_start; 523 resource_size_t vram_start; 524 resource_size_t vram_size; 525 resource_size_t max_primary_mem; 526 u32 __iomem *rmmio; 527 u32 *fifo_mem; 528 resource_size_t fifo_mem_size; 529 uint32_t fb_max_width; 530 uint32_t fb_max_height; 531 uint32_t texture_max_width; 532 uint32_t texture_max_height; 533 uint32_t stdu_max_width; 534 uint32_t stdu_max_height; 535 uint32_t initial_width; 536 uint32_t initial_height; 537 uint32_t capabilities; 538 uint32_t capabilities2; 539 uint32_t max_gmr_ids; 540 uint32_t max_gmr_pages; 541 uint32_t max_mob_pages; 542 uint32_t max_mob_size; 543 uint32_t memory_size; 544 bool has_gmr; 545 bool has_mob; 546 spinlock_t hw_lock; 547 bool assume_16bpp; 548 u32 irqs[VMWGFX_MAX_NUM_IRQS]; 549 u32 num_irq_vectors; 550 551 enum vmw_sm_type sm_type; 552 553 /* 554 * Framebuffer info. 555 */ 556 557 enum vmw_display_unit_type active_display_unit; 558 struct vmw_legacy_display *ldu_priv; 559 struct vmw_overlay *overlay_priv; 560 struct drm_property *hotplug_mode_update_property; 561 struct drm_property *implicit_placement_property; 562 spinlock_t cursor_lock; 563 struct drm_atomic_state *suspend_state; 564 565 /* 566 * Context and surface management. 567 */ 568 569 spinlock_t resource_lock; 570 struct idr res_idr[vmw_res_max]; 571 572 /* 573 * A resource manager for kernel-only surfaces and 574 * contexts. 575 */ 576 577 struct ttm_object_device *tdev; 578 579 /* 580 * Fencing and IRQs. 581 */ 582 583 atomic_t marker_seq; 584 wait_queue_head_t fence_queue; 585 wait_queue_head_t fifo_queue; 586 spinlock_t waiter_lock; 587 int fence_queue_waiters; /* Protected by waiter_lock */ 588 int goal_queue_waiters; /* Protected by waiter_lock */ 589 int cmdbuf_waiters; /* Protected by waiter_lock */ 590 int error_waiters; /* Protected by waiter_lock */ 591 int fifo_queue_waiters; /* Protected by waiter_lock */ 592 uint32_t last_read_seqno; 593 struct vmw_fence_manager *fman; 594 uint32_t irq_mask; /* Updates protected by waiter_lock */ 595 596 /* 597 * Device state 598 */ 599 600 uint32_t traces_state; 601 uint32_t enable_state; 602 uint32_t config_done_state; 603 604 /** 605 * Execbuf 606 */ 607 /** 608 * Protected by the cmdbuf mutex. 609 */ 610 611 struct vmw_sw_context ctx; 612 struct mutex cmdbuf_mutex; 613 struct mutex binding_mutex; 614 615 /** 616 * PM management. 617 */ 618 struct notifier_block pm_nb; 619 bool refuse_hibernation; 620 bool suspend_locked; 621 622 atomic_t num_fifo_resources; 623 624 /* 625 * Query processing. These members 626 * are protected by the cmdbuf mutex. 627 */ 628 629 struct vmw_buffer_object *dummy_query_bo; 630 struct vmw_buffer_object *pinned_bo; 631 uint32_t query_cid; 632 uint32_t query_cid_valid; 633 bool dummy_query_bo_pinned; 634 635 /* 636 * Surface swapping. The "surface_lru" list is protected by the 637 * resource lock in order to be able to destroy a surface and take 638 * it off the lru atomically. "used_memory_size" is currently 639 * protected by the cmdbuf mutex for simplicity. 640 */ 641 642 struct list_head res_lru[vmw_res_max]; 643 uint32_t used_memory_size; 644 645 /* 646 * DMA mapping stuff. 647 */ 648 enum vmw_dma_map_mode map_mode; 649 650 /* 651 * Guest Backed stuff 652 */ 653 struct vmw_otable_batch otable_batch; 654 655 struct vmw_fifo_state *fifo; 656 struct vmw_cmdbuf_man *cman; 657 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 658 659 uint32 *devcaps; 660 661 /* 662 * mksGuestStat instance-descriptor and pid arrays 663 */ 664 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 665 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 666 667 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 668 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 669 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 670 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 671 #endif 672 }; 673 674 static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj) 675 { 676 return container_of((gobj), struct vmw_buffer_object, base.base); 677 } 678 679 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 680 { 681 return container_of(res, struct vmw_surface, res); 682 } 683 684 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 685 { 686 return (struct vmw_private *)dev->dev_private; 687 } 688 689 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 690 { 691 return (struct vmw_fpriv *)file_priv->driver_priv; 692 } 693 694 /* 695 * SVGA v3 has mmio register access and lacks fifo cmds 696 */ 697 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 698 { 699 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 700 } 701 702 /* 703 * The locking here is fine-grained, so that it is performed once 704 * for every read- and write operation. This is of course costly, but we 705 * don't perform much register access in the timing critical paths anyway. 706 * Instead we have the extra benefit of being sure that we don't forget 707 * the hw lock around register accesses. 708 */ 709 static inline void vmw_write(struct vmw_private *dev_priv, 710 unsigned int offset, uint32_t value) 711 { 712 if (vmw_is_svga_v3(dev_priv)) { 713 iowrite32(value, dev_priv->rmmio + offset); 714 } else { 715 spin_lock(&dev_priv->hw_lock); 716 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 717 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 718 spin_unlock(&dev_priv->hw_lock); 719 } 720 } 721 722 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 723 unsigned int offset) 724 { 725 u32 val; 726 727 if (vmw_is_svga_v3(dev_priv)) { 728 val = ioread32(dev_priv->rmmio + offset); 729 } else { 730 spin_lock(&dev_priv->hw_lock); 731 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 732 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 733 spin_unlock(&dev_priv->hw_lock); 734 } 735 736 return val; 737 } 738 739 /** 740 * has_sm4_context - Does the device support SM4 context. 741 * @dev_priv: Device private. 742 * 743 * Return: Bool value if device support SM4 context or not. 744 */ 745 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 746 { 747 return (dev_priv->sm_type >= VMW_SM_4); 748 } 749 750 /** 751 * has_sm4_1_context - Does the device support SM4_1 context. 752 * @dev_priv: Device private. 753 * 754 * Return: Bool value if device support SM4_1 context or not. 755 */ 756 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 757 { 758 return (dev_priv->sm_type >= VMW_SM_4_1); 759 } 760 761 /** 762 * has_sm5_context - Does the device support SM5 context. 763 * @dev_priv: Device private. 764 * 765 * Return: Bool value if device support SM5 context or not. 766 */ 767 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 768 { 769 return (dev_priv->sm_type >= VMW_SM_5); 770 } 771 772 /** 773 * has_gl43_context - Does the device support GL43 context. 774 * @dev_priv: Device private. 775 * 776 * Return: Bool value if device support SM5 context or not. 777 */ 778 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 779 { 780 return (dev_priv->sm_type >= VMW_SM_5_1X); 781 } 782 783 784 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 785 { 786 return (has_gl43_context(dev_priv) ? 787 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 788 } 789 790 extern void vmw_svga_enable(struct vmw_private *dev_priv); 791 extern void vmw_svga_disable(struct vmw_private *dev_priv); 792 793 794 /** 795 * GMR utilities - vmwgfx_gmr.c 796 */ 797 798 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 799 const struct vmw_sg_table *vsgt, 800 unsigned long num_pages, 801 int gmr_id); 802 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 803 804 /** 805 * Resource utilities - vmwgfx_resource.c 806 */ 807 struct vmw_user_resource_conv; 808 809 extern void vmw_resource_unreference(struct vmw_resource **p_res); 810 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 811 extern struct vmw_resource * 812 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 813 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 814 bool dirtying); 815 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 816 bool no_backup); 817 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 818 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 819 struct drm_file *filp, 820 uint32_t handle, 821 struct vmw_surface **out_surf, 822 struct vmw_buffer_object **out_buf); 823 extern int vmw_user_resource_lookup_handle( 824 struct vmw_private *dev_priv, 825 struct ttm_object_file *tfile, 826 uint32_t handle, 827 const struct vmw_user_resource_conv *converter, 828 struct vmw_resource **p_res); 829 extern struct vmw_resource * 830 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 831 struct ttm_object_file *tfile, 832 uint32_t handle, 833 const struct vmw_user_resource_conv * 834 converter); 835 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 836 struct drm_file *file_priv); 837 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 838 struct drm_file *file_priv); 839 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 840 struct ttm_object_file *tfile, 841 uint32_t *inout_id, 842 struct vmw_resource **out); 843 extern void vmw_resource_unreserve(struct vmw_resource *res, 844 bool dirty_set, 845 bool dirty, 846 bool switch_backup, 847 struct vmw_buffer_object *new_backup, 848 unsigned long new_backup_offset); 849 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 850 struct ttm_resource *old_mem, 851 struct ttm_resource *new_mem); 852 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 853 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 854 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 855 void vmw_resource_mob_attach(struct vmw_resource *res); 856 void vmw_resource_mob_detach(struct vmw_resource *res); 857 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 858 pgoff_t end); 859 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 860 pgoff_t end, pgoff_t *num_prefault); 861 862 /** 863 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 864 * @res: The resource 865 * 866 * Return: true if the resource has a mob attached, false otherwise. 867 */ 868 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 869 { 870 return !RB_EMPTY_NODE(&res->mob_node); 871 } 872 873 /** 874 * vmw_user_resource_noref_release - release a user resource pointer looked up 875 * without reference 876 */ 877 static inline void vmw_user_resource_noref_release(void) 878 { 879 ttm_base_object_noref_release(); 880 } 881 882 /** 883 * Buffer object helper functions - vmwgfx_bo.c 884 */ 885 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 886 struct vmw_buffer_object *bo, 887 struct ttm_placement *placement, 888 bool interruptible); 889 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 890 struct vmw_buffer_object *buf, 891 bool interruptible); 892 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 893 struct vmw_buffer_object *buf, 894 bool interruptible); 895 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 896 struct vmw_buffer_object *bo, 897 bool interruptible); 898 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 899 struct vmw_buffer_object *bo, 900 bool interruptible); 901 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 902 SVGAGuestPtr *ptr); 903 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 904 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 905 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 906 unsigned long size, 907 struct ttm_placement *placement, 908 struct ttm_buffer_object **p_bo); 909 extern int vmw_bo_create(struct vmw_private *dev_priv, 910 size_t size, struct ttm_placement *placement, 911 bool interruptible, bool pin, 912 void (*bo_free)(struct ttm_buffer_object *bo), 913 struct vmw_buffer_object **p_bo); 914 extern int vmw_bo_init(struct vmw_private *dev_priv, 915 struct vmw_buffer_object *vmw_bo, 916 size_t size, struct ttm_placement *placement, 917 bool interruptible, bool pin, 918 void (*bo_free)(struct ttm_buffer_object *bo)); 919 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 920 struct drm_file *file_priv); 921 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 922 struct drm_file *file_priv); 923 extern int vmw_user_bo_lookup(struct drm_file *filp, 924 uint32_t handle, 925 struct vmw_buffer_object **out); 926 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 927 struct vmw_fence_obj *fence); 928 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 929 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 930 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 931 struct ttm_resource *mem); 932 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 933 extern struct vmw_buffer_object * 934 vmw_user_bo_noref_lookup(struct drm_file *filp, u32 handle); 935 936 /** 937 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 938 * according to attached resources 939 * @vbo: The struct vmw_buffer_object 940 */ 941 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 942 { 943 int i = ARRAY_SIZE(vbo->res_prios); 944 945 while (i--) { 946 if (vbo->res_prios[i]) { 947 vbo->base.priority = i; 948 return; 949 } 950 } 951 952 vbo->base.priority = 3; 953 } 954 955 /** 956 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 957 * eviction priority 958 * @vbo: The struct vmw_buffer_object 959 * @prio: The resource priority 960 * 961 * After being notified, the code assigns the highest resource eviction priority 962 * to the backing buffer object (mob). 963 */ 964 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 965 { 966 if (vbo->res_prios[prio]++ == 0) 967 vmw_bo_prio_adjust(vbo); 968 } 969 970 /** 971 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 972 * priority being removed 973 * @vbo: The struct vmw_buffer_object 974 * @prio: The resource priority 975 * 976 * After being notified, the code assigns the highest resource eviction priority 977 * to the backing buffer object (mob). 978 */ 979 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 980 { 981 if (--vbo->res_prios[prio] == 0) 982 vmw_bo_prio_adjust(vbo); 983 } 984 985 /** 986 * GEM related functionality - vmwgfx_gem.c 987 */ 988 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 989 struct drm_file *filp, 990 uint32_t size, 991 uint32_t *handle, 992 struct vmw_buffer_object **p_vbo); 993 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 994 struct drm_file *filp); 995 extern void vmw_gem_destroy(struct ttm_buffer_object *bo); 996 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 997 998 /** 999 * Misc Ioctl functionality - vmwgfx_ioctl.c 1000 */ 1001 1002 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 1003 struct drm_file *file_priv); 1004 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 1005 struct drm_file *file_priv); 1006 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 1007 struct drm_file *file_priv); 1008 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 1009 struct drm_file *file_priv); 1010 1011 /** 1012 * Fifo utilities - vmwgfx_fifo.c 1013 */ 1014 1015 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 1016 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 1017 extern bool vmw_cmd_supported(struct vmw_private *vmw); 1018 extern void * 1019 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 1020 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 1021 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 1022 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 1023 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 1024 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 1025 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 1026 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 1027 uint32_t cid); 1028 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 1029 bool interruptible); 1030 1031 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 1032 ({ \ 1033 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 1034 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 1035 __func__, (unsigned int) __bytes); \ 1036 NULL; \ 1037 }); \ 1038 }) 1039 1040 #define VMW_CMD_RESERVE(__priv, __bytes) \ 1041 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 1042 1043 1044 /** 1045 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1046 * queue or 0 if fifo memory isn't present. 1047 * @dev_priv: The device private context 1048 */ 1049 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1050 { 1051 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1052 return 0; 1053 return dev_priv->fifo->capabilities; 1054 } 1055 1056 1057 /** 1058 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1059 * is enabled in the FIFO. 1060 * @dev_priv: The device private context 1061 */ 1062 static inline bool 1063 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1064 { 1065 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1066 } 1067 1068 /** 1069 * TTM glue - vmwgfx_ttm_glue.c 1070 */ 1071 1072 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1073 1074 /** 1075 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1076 */ 1077 1078 extern const size_t vmw_tt_size; 1079 extern struct ttm_placement vmw_vram_placement; 1080 extern struct ttm_placement vmw_vram_sys_placement; 1081 extern struct ttm_placement vmw_vram_gmr_placement; 1082 extern struct ttm_placement vmw_sys_placement; 1083 extern struct ttm_placement vmw_srf_placement; 1084 extern struct ttm_placement vmw_mob_placement; 1085 extern struct ttm_placement vmw_nonfixed_placement; 1086 extern struct ttm_device_funcs vmw_bo_driver; 1087 extern const struct vmw_sg_table * 1088 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1089 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1090 unsigned long bo_size, 1091 struct ttm_buffer_object **bo_p); 1092 1093 extern void vmw_piter_start(struct vmw_piter *viter, 1094 const struct vmw_sg_table *vsgt, 1095 unsigned long p_offs); 1096 1097 /** 1098 * vmw_piter_next - Advance the iterator one page. 1099 * 1100 * @viter: Pointer to the iterator to advance. 1101 * 1102 * Returns false if past the list of pages, true otherwise. 1103 */ 1104 static inline bool vmw_piter_next(struct vmw_piter *viter) 1105 { 1106 return viter->next(viter); 1107 } 1108 1109 /** 1110 * vmw_piter_dma_addr - Return the DMA address of 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 dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1117 { 1118 return viter->dma_address(viter); 1119 } 1120 1121 /** 1122 * vmw_piter_page - Return a pointer to the current page. 1123 * 1124 * @viter: Pointer to the iterator 1125 * 1126 * Returns the DMA address of the page pointed to by @viter. 1127 */ 1128 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1129 { 1130 return viter->pages[viter->i]; 1131 } 1132 1133 /** 1134 * Command submission - vmwgfx_execbuf.c 1135 */ 1136 1137 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1138 struct drm_file *file_priv); 1139 extern int vmw_execbuf_process(struct drm_file *file_priv, 1140 struct vmw_private *dev_priv, 1141 void __user *user_commands, 1142 void *kernel_commands, 1143 uint32_t command_size, 1144 uint64_t throttle_us, 1145 uint32_t dx_context_handle, 1146 struct drm_vmw_fence_rep __user 1147 *user_fence_rep, 1148 struct vmw_fence_obj **out_fence, 1149 uint32_t flags); 1150 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1151 struct vmw_fence_obj *fence); 1152 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1153 1154 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1155 struct vmw_private *dev_priv, 1156 struct vmw_fence_obj **p_fence, 1157 uint32_t *p_handle); 1158 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1159 struct vmw_fpriv *vmw_fp, 1160 int ret, 1161 struct drm_vmw_fence_rep __user 1162 *user_fence_rep, 1163 struct vmw_fence_obj *fence, 1164 uint32_t fence_handle, 1165 int32_t out_fence_fd); 1166 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1167 1168 /** 1169 * IRQs and wating - vmwgfx_irq.c 1170 */ 1171 1172 extern int vmw_irq_install(struct vmw_private *dev_priv); 1173 extern void vmw_irq_uninstall(struct drm_device *dev); 1174 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1175 uint32_t seqno); 1176 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1177 bool lazy, 1178 bool fifo_idle, 1179 uint32_t seqno, 1180 bool interruptible, 1181 unsigned long timeout); 1182 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1183 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1184 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1185 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1186 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1187 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1188 int *waiter_count); 1189 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1190 u32 flag, int *waiter_count); 1191 1192 /** 1193 * Kernel modesetting - vmwgfx_kms.c 1194 */ 1195 1196 int vmw_kms_init(struct vmw_private *dev_priv); 1197 int vmw_kms_close(struct vmw_private *dev_priv); 1198 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1199 struct drm_file *file_priv); 1200 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1201 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1202 struct ttm_object_file *tfile, 1203 struct ttm_buffer_object *bo, 1204 SVGA3dCmdHeader *header); 1205 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1206 unsigned width, unsigned height, unsigned pitch, 1207 unsigned bpp, unsigned depth); 1208 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1209 uint32_t pitch, 1210 uint32_t height); 1211 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1212 int vmw_enable_vblank(struct drm_crtc *crtc); 1213 void vmw_disable_vblank(struct drm_crtc *crtc); 1214 int vmw_kms_present(struct vmw_private *dev_priv, 1215 struct drm_file *file_priv, 1216 struct vmw_framebuffer *vfb, 1217 struct vmw_surface *surface, 1218 uint32_t sid, int32_t destX, int32_t destY, 1219 struct drm_vmw_rect *clips, 1220 uint32_t num_clips); 1221 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1222 struct drm_file *file_priv); 1223 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1224 int vmw_kms_suspend(struct drm_device *dev); 1225 int vmw_kms_resume(struct drm_device *dev); 1226 void vmw_kms_lost_device(struct drm_device *dev); 1227 1228 int vmw_dumb_create(struct drm_file *file_priv, 1229 struct drm_device *dev, 1230 struct drm_mode_create_dumb *args); 1231 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1232 extern void vmw_resource_unpin(struct vmw_resource *res); 1233 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1234 1235 /** 1236 * Overlay control - vmwgfx_overlay.c 1237 */ 1238 1239 int vmw_overlay_init(struct vmw_private *dev_priv); 1240 int vmw_overlay_close(struct vmw_private *dev_priv); 1241 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1242 struct drm_file *file_priv); 1243 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1244 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1245 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1246 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1247 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1248 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1249 1250 /** 1251 * GMR Id manager 1252 */ 1253 1254 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1255 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1256 1257 /** 1258 * System memory manager 1259 */ 1260 int vmw_sys_man_init(struct vmw_private *dev_priv); 1261 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1262 1263 /** 1264 * Prime - vmwgfx_prime.c 1265 */ 1266 1267 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1268 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1269 struct drm_file *file_priv, 1270 int fd, u32 *handle); 1271 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1272 struct drm_file *file_priv, 1273 uint32_t handle, uint32_t flags, 1274 int *prime_fd); 1275 1276 /* 1277 * MemoryOBject management - vmwgfx_mob.c 1278 */ 1279 struct vmw_mob; 1280 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1281 const struct vmw_sg_table *vsgt, 1282 unsigned long num_data_pages, int32_t mob_id); 1283 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1284 struct vmw_mob *mob); 1285 extern void vmw_mob_destroy(struct vmw_mob *mob); 1286 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1287 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1288 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1289 1290 /* 1291 * Context management - vmwgfx_context.c 1292 */ 1293 1294 extern const struct vmw_user_resource_conv *user_context_converter; 1295 1296 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1297 struct drm_file *file_priv); 1298 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1299 struct drm_file *file_priv); 1300 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1301 struct drm_file *file_priv); 1302 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1303 extern struct vmw_cmdbuf_res_manager * 1304 vmw_context_res_man(struct vmw_resource *ctx); 1305 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1306 SVGACOTableType cotable_type); 1307 struct vmw_ctx_binding_state; 1308 extern struct vmw_ctx_binding_state * 1309 vmw_context_binding_state(struct vmw_resource *ctx); 1310 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1311 bool readback); 1312 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1313 struct vmw_buffer_object *mob); 1314 extern struct vmw_buffer_object * 1315 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1316 1317 1318 /* 1319 * Surface management - vmwgfx_surface.c 1320 */ 1321 1322 extern const struct vmw_user_resource_conv *user_surface_converter; 1323 1324 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1325 struct drm_file *file_priv); 1326 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1327 struct drm_file *file_priv); 1328 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1329 struct drm_file *file_priv); 1330 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1331 struct drm_file *file_priv); 1332 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1333 struct drm_file *file_priv); 1334 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1335 void *data, 1336 struct drm_file *file_priv); 1337 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1338 void *data, 1339 struct drm_file *file_priv); 1340 1341 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1342 const struct vmw_surface_metadata *req, 1343 struct vmw_surface **srf_out); 1344 1345 /* 1346 * Shader management - vmwgfx_shader.c 1347 */ 1348 1349 extern const struct vmw_user_resource_conv *user_shader_converter; 1350 1351 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1352 struct drm_file *file_priv); 1353 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1354 struct drm_file *file_priv); 1355 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1356 struct vmw_cmdbuf_res_manager *man, 1357 u32 user_key, const void *bytecode, 1358 SVGA3dShaderType shader_type, 1359 size_t size, 1360 struct list_head *list); 1361 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1362 u32 user_key, SVGA3dShaderType shader_type, 1363 struct list_head *list); 1364 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1365 struct vmw_resource *ctx, 1366 u32 user_key, 1367 SVGA3dShaderType shader_type, 1368 struct list_head *list); 1369 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1370 struct list_head *list, 1371 bool readback); 1372 1373 extern struct vmw_resource * 1374 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1375 u32 user_key, SVGA3dShaderType shader_type); 1376 1377 /* 1378 * Streamoutput management 1379 */ 1380 struct vmw_resource * 1381 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1382 u32 user_key); 1383 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1384 struct vmw_resource *ctx, 1385 SVGA3dStreamOutputId user_key, 1386 struct list_head *list); 1387 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1388 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1389 SVGA3dStreamOutputId user_key, 1390 struct list_head *list); 1391 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1392 struct list_head *list, 1393 bool readback); 1394 1395 /* 1396 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1397 */ 1398 1399 extern struct vmw_cmdbuf_res_manager * 1400 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1401 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1402 extern struct vmw_resource * 1403 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1404 enum vmw_cmdbuf_res_type res_type, 1405 u32 user_key); 1406 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1407 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1408 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1409 enum vmw_cmdbuf_res_type res_type, 1410 u32 user_key, 1411 struct vmw_resource *res, 1412 struct list_head *list); 1413 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1414 enum vmw_cmdbuf_res_type res_type, 1415 u32 user_key, 1416 struct list_head *list, 1417 struct vmw_resource **res); 1418 1419 /* 1420 * COTable management - vmwgfx_cotable.c 1421 */ 1422 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1423 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1424 struct vmw_resource *ctx, 1425 u32 type); 1426 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1427 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1428 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1429 struct list_head *head); 1430 1431 /* 1432 * Command buffer managerment vmwgfx_cmdbuf.c 1433 */ 1434 struct vmw_cmdbuf_man; 1435 struct vmw_cmdbuf_header; 1436 1437 extern struct vmw_cmdbuf_man * 1438 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1439 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1440 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1441 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1442 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1443 unsigned long timeout); 1444 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1445 int ctx_id, bool interruptible, 1446 struct vmw_cmdbuf_header *header); 1447 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1448 struct vmw_cmdbuf_header *header, 1449 bool flush); 1450 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1451 size_t size, bool interruptible, 1452 struct vmw_cmdbuf_header **p_header); 1453 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1454 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1455 bool interruptible); 1456 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1457 1458 /* CPU blit utilities - vmwgfx_blit.c */ 1459 1460 /** 1461 * struct vmw_diff_cpy - CPU blit information structure 1462 * 1463 * @rect: The output bounding box rectangle. 1464 * @line: The current line of the blit. 1465 * @line_offset: Offset of the current line segment. 1466 * @cpp: Bytes per pixel (granularity information). 1467 * @memcpy: Which memcpy function to use. 1468 */ 1469 struct vmw_diff_cpy { 1470 struct drm_rect rect; 1471 size_t line; 1472 size_t line_offset; 1473 int cpp; 1474 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1475 size_t n); 1476 }; 1477 1478 #define VMW_CPU_BLIT_INITIALIZER { \ 1479 .do_cpy = vmw_memcpy, \ 1480 } 1481 1482 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1483 .line = 0, \ 1484 .line_offset = 0, \ 1485 .rect = { .x1 = INT_MAX/2, \ 1486 .y1 = INT_MAX/2, \ 1487 .x2 = INT_MIN/2, \ 1488 .y2 = INT_MIN/2 \ 1489 }, \ 1490 .cpp = _cpp, \ 1491 .do_cpy = vmw_diff_memcpy, \ 1492 } 1493 1494 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1495 size_t n); 1496 1497 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1498 1499 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1500 u32 dst_offset, u32 dst_stride, 1501 struct ttm_buffer_object *src, 1502 u32 src_offset, u32 src_stride, 1503 u32 w, u32 h, 1504 struct vmw_diff_cpy *diff); 1505 1506 /* Host messaging -vmwgfx_msg.c: */ 1507 int vmw_host_get_guestinfo(const char *guest_info_param, 1508 char *buffer, size_t *length); 1509 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1510 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1511 struct drm_file *file_priv); 1512 1513 /* Host mksGuestStats -vmwgfx_msg.c: */ 1514 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1515 1516 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1517 struct drm_file *file_priv); 1518 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1519 struct drm_file *file_priv); 1520 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1521 struct drm_file *file_priv); 1522 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1523 1524 /* VMW logging */ 1525 1526 /** 1527 * VMW_DEBUG_USER - Debug output for user-space debugging. 1528 * 1529 * @fmt: printf() like format string. 1530 * 1531 * This macro is for logging user-space error and debugging messages for e.g. 1532 * command buffer execution errors due to malformed commands, invalid context, 1533 * etc. 1534 */ 1535 #define VMW_DEBUG_USER(fmt, ...) \ 1536 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1537 1538 /* Resource dirtying - vmwgfx_page_dirty.c */ 1539 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1540 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1541 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1542 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1543 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1544 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1545 pgoff_t start, pgoff_t end); 1546 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1547 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1548 1549 1550 /** 1551 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1552 * 1553 * This macro is for debugging vmwgfx mode-setting code. 1554 */ 1555 #define VMW_DEBUG_KMS(fmt, ...) \ 1556 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1557 1558 /** 1559 * Inline helper functions 1560 */ 1561 1562 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1563 { 1564 struct vmw_surface *tmp_srf = *srf; 1565 struct vmw_resource *res = &tmp_srf->res; 1566 *srf = NULL; 1567 1568 vmw_resource_unreference(&res); 1569 } 1570 1571 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1572 { 1573 (void) vmw_resource_reference(&srf->res); 1574 return srf; 1575 } 1576 1577 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1578 { 1579 struct vmw_buffer_object *tmp_buf = *buf; 1580 1581 *buf = NULL; 1582 if (tmp_buf != NULL) 1583 ttm_bo_put(&tmp_buf->base); 1584 } 1585 1586 static inline struct vmw_buffer_object * 1587 vmw_bo_reference(struct vmw_buffer_object *buf) 1588 { 1589 ttm_bo_get(&buf->base); 1590 return buf; 1591 } 1592 1593 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1594 { 1595 atomic_inc(&dev_priv->num_fifo_resources); 1596 } 1597 1598 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1599 { 1600 atomic_dec(&dev_priv->num_fifo_resources); 1601 } 1602 1603 /** 1604 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1605 * 1606 * @fifo_reg: The fifo register to read from 1607 * 1608 * This function is intended to be equivalent to ioread32() on 1609 * memremap'd memory, but without byteswapping. 1610 */ 1611 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1612 { 1613 BUG_ON(vmw_is_svga_v3(vmw)); 1614 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1615 } 1616 1617 /** 1618 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1619 * 1620 * @addr: The fifo register to write to 1621 * 1622 * This function is intended to be equivalent to iowrite32 on 1623 * memremap'd memory, but without byteswapping. 1624 */ 1625 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1626 u32 value) 1627 { 1628 BUG_ON(vmw_is_svga_v3(vmw)); 1629 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1630 } 1631 1632 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1633 { 1634 u32 fence; 1635 if (vmw_is_svga_v3(dev_priv)) 1636 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1637 else 1638 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1639 return fence; 1640 } 1641 1642 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1643 u32 fence) 1644 { 1645 BUG_ON(vmw_is_svga_v3(dev_priv)); 1646 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1647 } 1648 1649 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1650 { 1651 u32 status; 1652 if (vmw_is_svga_v3(vmw)) 1653 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1654 else 1655 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1656 return status; 1657 } 1658 1659 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1660 uint32 status) 1661 { 1662 if (vmw_is_svga_v3(vmw)) 1663 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1664 else 1665 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1666 } 1667 1668 static inline bool vmw_has_fences(struct vmw_private *vmw) 1669 { 1670 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1671 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1672 return true; 1673 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1674 } 1675 1676 #endif 1677