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_execbuf_util.h> 41 #include <drm/ttm/ttm_tt.h> 42 #include <drm/ttm/ttm_placement.h> 43 #include <drm/ttm/ttm_bo.h> 44 45 #include "ttm_object.h" 46 47 #include "vmwgfx_fence.h" 48 #include "vmwgfx_reg.h" 49 #include "vmwgfx_validation.h" 50 51 /* 52 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 53 * uapi headers should not depend on header files outside uapi/. 54 */ 55 #include <drm/vmwgfx_drm.h> 56 57 58 #define VMWGFX_DRIVER_NAME "vmwgfx" 59 #define VMWGFX_DRIVER_DATE "20211206" 60 #define VMWGFX_DRIVER_MAJOR 2 61 #define VMWGFX_DRIVER_MINOR 20 62 #define VMWGFX_DRIVER_PATCHLEVEL 0 63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 64 #define VMWGFX_MAX_DISPLAYS 16 65 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 66 67 #define VMWGFX_MIN_INITIAL_WIDTH 1280 68 #define VMWGFX_MIN_INITIAL_HEIGHT 800 69 70 #define VMWGFX_PCI_ID_SVGA2 0x0405 71 #define VMWGFX_PCI_ID_SVGA3 0x0406 72 73 /* 74 * This has to match get_count_order(SVGA_IRQFLAG_MAX) 75 */ 76 #define VMWGFX_MAX_NUM_IRQS 6 77 78 /* 79 * Perhaps we should have sysfs entries for these. 80 */ 81 #define VMWGFX_NUM_GB_CONTEXT 256 82 #define VMWGFX_NUM_GB_SHADER 20000 83 #define VMWGFX_NUM_GB_SURFACE 32768 84 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 85 #define VMWGFX_NUM_DXCONTEXT 256 86 #define VMWGFX_NUM_DXQUERY 512 87 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 88 VMWGFX_NUM_GB_SHADER +\ 89 VMWGFX_NUM_GB_SURFACE +\ 90 VMWGFX_NUM_GB_SCREEN_TARGET) 91 92 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 93 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 94 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 95 96 #define VMW_RES_CONTEXT ttm_driver_type0 97 #define VMW_RES_SURFACE ttm_driver_type1 98 #define VMW_RES_STREAM ttm_driver_type2 99 #define VMW_RES_FENCE ttm_driver_type3 100 #define VMW_RES_SHADER ttm_driver_type4 101 #define VMW_RES_HT_ORDER 12 102 103 #define VMW_CURSOR_SNOOP_FORMAT SVGA3D_A8R8G8B8 104 #define VMW_CURSOR_SNOOP_WIDTH 64 105 #define VMW_CURSOR_SNOOP_HEIGHT 64 106 107 #define MKSSTAT_CAPACITY_LOG2 5U 108 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 109 110 struct vmw_fpriv { 111 struct ttm_object_file *tfile; 112 bool gb_aware; /* user-space is guest-backed aware */ 113 }; 114 115 struct vmwgfx_hash_item { 116 struct hlist_node head; 117 unsigned long key; 118 }; 119 120 /** 121 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 122 * @base: The TTM buffer object 123 * @res_tree: RB tree of resources using this buffer object as a backing MOB 124 * @base_mapped_count: ttm BO mapping count; used by KMS atomic helpers. 125 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 126 * increased. May be decreased without reservation. 127 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 128 * @map: Kmap object for semi-persistent mappings 129 * @res_prios: Eviction priority counts for attached resources 130 * @dirty: structure for user-space dirty-tracking 131 */ 132 struct vmw_buffer_object { 133 struct ttm_buffer_object base; 134 struct rb_root res_tree; 135 /* For KMS atomic helpers: ttm bo mapping count */ 136 atomic_t base_mapped_count; 137 138 atomic_t cpu_writers; 139 /* Not ref-counted. Protected by binding_mutex */ 140 struct vmw_resource *dx_query_ctx; 141 /* Protected by reservation */ 142 struct ttm_bo_kmap_obj map; 143 u32 res_prios[TTM_MAX_BO_PRIORITY]; 144 struct vmw_bo_dirty *dirty; 145 }; 146 147 /** 148 * struct vmw_validate_buffer - Carries validation info about buffers. 149 * 150 * @base: Validation info for TTM. 151 * @hash: Hash entry for quick lookup of the TTM buffer object. 152 * 153 * This structure contains also driver private validation info 154 * on top of the info needed by TTM. 155 */ 156 struct vmw_validate_buffer { 157 struct ttm_validate_buffer base; 158 struct vmwgfx_hash_item hash; 159 bool validate_as_mob; 160 }; 161 162 struct vmw_res_func; 163 164 165 /** 166 * struct vmw-resource - base class for hardware resources 167 * 168 * @kref: For refcounting. 169 * @dev_priv: Pointer to the device private for this resource. Immutable. 170 * @id: Device id. Protected by @dev_priv::resource_lock. 171 * @backup_size: Backup buffer size. Immutable. 172 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 173 * by resource reserved. 174 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 175 * Protected by resource reserved. 176 * @coherent: Emulate coherency by tracking vm accesses. 177 * @backup: The backup buffer if any. Protected by resource reserved. 178 * @backup_offset: Offset into the backup buffer if any. Protected by resource 179 * reserved. Note that only a few resource types can have a @backup_offset 180 * different from zero. 181 * @pin_count: The pin count for this resource. A pinned resource has a 182 * pin-count greater than zero. It is not on the resource LRU lists and its 183 * backup buffer is pinned. Hence it can't be evicted. 184 * @func: Method vtable for this resource. Immutable. 185 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 186 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 187 * @binding_head: List head for the context binding list. Protected by 188 * the @dev_priv::binding_mutex 189 * @res_free: The resource destructor. 190 * @hw_destroy: Callback to destroy the resource on the device, as part of 191 * resource destruction. 192 */ 193 struct vmw_resource_dirty; 194 struct vmw_resource { 195 struct kref kref; 196 struct vmw_private *dev_priv; 197 int id; 198 u32 used_prio; 199 unsigned long backup_size; 200 u32 res_dirty : 1; 201 u32 backup_dirty : 1; 202 u32 coherent : 1; 203 struct vmw_buffer_object *backup; 204 unsigned long backup_offset; 205 unsigned long pin_count; 206 const struct vmw_res_func *func; 207 struct rb_node mob_node; 208 struct list_head lru_head; 209 struct list_head binding_head; 210 struct vmw_resource_dirty *dirty; 211 void (*res_free) (struct vmw_resource *res); 212 void (*hw_destroy) (struct vmw_resource *res); 213 }; 214 215 216 /* 217 * Resources that are managed using ioctls. 218 */ 219 enum vmw_res_type { 220 vmw_res_context, 221 vmw_res_surface, 222 vmw_res_stream, 223 vmw_res_shader, 224 vmw_res_dx_context, 225 vmw_res_cotable, 226 vmw_res_view, 227 vmw_res_streamoutput, 228 vmw_res_max 229 }; 230 231 /* 232 * Resources that are managed using command streams. 233 */ 234 enum vmw_cmdbuf_res_type { 235 vmw_cmdbuf_res_shader, 236 vmw_cmdbuf_res_view, 237 vmw_cmdbuf_res_streamoutput 238 }; 239 240 struct vmw_cmdbuf_res_manager; 241 242 struct vmw_cursor_snooper { 243 size_t age; 244 uint32_t *image; 245 }; 246 247 struct vmw_framebuffer; 248 struct vmw_surface_offset; 249 250 /** 251 * struct vmw_surface_metadata - Metadata describing a surface. 252 * 253 * @flags: Device flags. 254 * @format: Surface SVGA3D_x format. 255 * @mip_levels: Mip level for each face. For GB first index is used only. 256 * @multisample_count: Sample count. 257 * @multisample_pattern: Sample patterns. 258 * @quality_level: Quality level. 259 * @autogen_filter: Filter for automatically generated mipmaps. 260 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 261 texture number of faces * array_size. This should be 0 for pre 262 SM4 device. 263 * @buffer_byte_stride: Buffer byte stride. 264 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 265 * @base_size: Surface dimension. 266 * @sizes: Array representing mip sizes. Legacy only. 267 * @scanout: Whether this surface will be used for scanout. 268 * 269 * This tracks metadata for both legacy and guest backed surface. 270 */ 271 struct vmw_surface_metadata { 272 u64 flags; 273 u32 format; 274 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 275 u32 multisample_count; 276 u32 multisample_pattern; 277 u32 quality_level; 278 u32 autogen_filter; 279 u32 array_size; 280 u32 num_sizes; 281 u32 buffer_byte_stride; 282 struct drm_vmw_size base_size; 283 struct drm_vmw_size *sizes; 284 bool scanout; 285 }; 286 287 /** 288 * struct vmw_surface: Resource structure for a surface. 289 * 290 * @res: The base resource for this surface. 291 * @metadata: Metadata for this surface resource. 292 * @snooper: Cursor data. Legacy surface only. 293 * @offsets: Legacy surface only. 294 * @view_list: List of views bound to this surface. 295 */ 296 struct vmw_surface { 297 struct vmw_resource res; 298 struct vmw_surface_metadata metadata; 299 struct vmw_cursor_snooper snooper; 300 struct vmw_surface_offset *offsets; 301 struct list_head view_list; 302 }; 303 304 struct vmw_fifo_state { 305 unsigned long reserved_size; 306 u32 *dynamic_buffer; 307 u32 *static_buffer; 308 unsigned long static_buffer_size; 309 bool using_bounce_buffer; 310 uint32_t capabilities; 311 struct mutex fifo_mutex; 312 struct rw_semaphore rwsem; 313 }; 314 315 /** 316 * struct vmw_res_cache_entry - resource information cache entry 317 * @handle: User-space handle of a resource. 318 * @res: Non-ref-counted pointer to the resource. 319 * @valid_handle: Whether the @handle member is valid. 320 * @valid: Whether the entry is valid, which also implies that the execbuf 321 * code holds a reference to the resource, and it's placed on the 322 * validation list. 323 * 324 * Used to avoid frequent repeated user-space handle lookups of the 325 * same resource. 326 */ 327 struct vmw_res_cache_entry { 328 uint32_t handle; 329 struct vmw_resource *res; 330 void *private; 331 unsigned short valid_handle; 332 unsigned short valid; 333 }; 334 335 /** 336 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 337 */ 338 enum vmw_dma_map_mode { 339 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 340 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 341 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 342 vmw_dma_map_max 343 }; 344 345 /** 346 * struct vmw_sg_table - Scatter/gather table for binding, with additional 347 * device-specific information. 348 * 349 * @sgt: Pointer to a struct sg_table with binding information 350 * @num_regions: Number of regions with device-address contiguous pages 351 */ 352 struct vmw_sg_table { 353 enum vmw_dma_map_mode mode; 354 struct page **pages; 355 const dma_addr_t *addrs; 356 struct sg_table *sgt; 357 unsigned long num_pages; 358 }; 359 360 /** 361 * struct vmw_piter - Page iterator that iterates over a list of pages 362 * and DMA addresses that could be either a scatter-gather list or 363 * arrays 364 * 365 * @pages: Array of page pointers to the pages. 366 * @addrs: DMA addresses to the pages if coherent pages are used. 367 * @iter: Scatter-gather page iterator. Current position in SG list. 368 * @i: Current position in arrays. 369 * @num_pages: Number of pages total. 370 * @next: Function to advance the iterator. Returns false if past the list 371 * of pages, true otherwise. 372 * @dma_address: Function to return the DMA address of the current page. 373 */ 374 struct vmw_piter { 375 struct page **pages; 376 const dma_addr_t *addrs; 377 struct sg_dma_page_iter iter; 378 unsigned long i; 379 unsigned long num_pages; 380 bool (*next)(struct vmw_piter *); 381 dma_addr_t (*dma_address)(struct vmw_piter *); 382 }; 383 384 385 struct vmw_ttm_tt { 386 struct ttm_tt dma_ttm; 387 struct vmw_private *dev_priv; 388 int gmr_id; 389 struct vmw_mob *mob; 390 int mem_type; 391 struct sg_table sgt; 392 struct vmw_sg_table vsgt; 393 bool mapped; 394 bool bound; 395 }; 396 397 /* 398 * enum vmw_display_unit_type - Describes the display unit 399 */ 400 enum vmw_display_unit_type { 401 vmw_du_invalid = 0, 402 vmw_du_legacy, 403 vmw_du_screen_object, 404 vmw_du_screen_target, 405 vmw_du_max 406 }; 407 408 struct vmw_validation_context; 409 struct vmw_ctx_validation_info; 410 411 /** 412 * struct vmw_sw_context - Command submission context 413 * @res_ht: Pointer hash table used to find validation duplicates 414 * @kernel: Whether the command buffer originates from kernel code rather 415 * than from user-space 416 * @fp: If @kernel is false, points to the file of the client. Otherwise 417 * NULL 418 * @cmd_bounce: Command bounce buffer used for command validation before 419 * copying to fifo space 420 * @cmd_bounce_size: Current command bounce buffer size 421 * @cur_query_bo: Current buffer object used as query result buffer 422 * @bo_relocations: List of buffer object relocations 423 * @res_relocations: List of resource relocations 424 * @buf_start: Pointer to start of memory where command validation takes 425 * place 426 * @res_cache: Cache of recently looked up resources 427 * @last_query_ctx: Last context that submitted a query 428 * @needs_post_query_barrier: Whether a query barrier is needed after 429 * command submission 430 * @staged_bindings: Cached per-context binding tracker 431 * @staged_bindings_inuse: Whether the cached per-context binding tracker 432 * is in use 433 * @staged_cmd_res: List of staged command buffer managed resources in this 434 * command buffer 435 * @ctx_list: List of context resources referenced in this command buffer 436 * @dx_ctx_node: Validation metadata of the current DX context 437 * @dx_query_mob: The MOB used for DX queries 438 * @dx_query_ctx: The DX context used for the last DX query 439 * @man: Pointer to the command buffer managed resource manager 440 * @ctx: The validation context 441 */ 442 struct vmw_sw_context{ 443 DECLARE_HASHTABLE(res_ht, VMW_RES_HT_ORDER); 444 bool kernel; 445 struct vmw_fpriv *fp; 446 struct drm_file *filp; 447 uint32_t *cmd_bounce; 448 uint32_t cmd_bounce_size; 449 struct vmw_buffer_object *cur_query_bo; 450 struct list_head bo_relocations; 451 struct list_head res_relocations; 452 uint32_t *buf_start; 453 struct vmw_res_cache_entry res_cache[vmw_res_max]; 454 struct vmw_resource *last_query_ctx; 455 bool needs_post_query_barrier; 456 struct vmw_ctx_binding_state *staged_bindings; 457 bool staged_bindings_inuse; 458 struct list_head staged_cmd_res; 459 struct list_head ctx_list; 460 struct vmw_ctx_validation_info *dx_ctx_node; 461 struct vmw_buffer_object *dx_query_mob; 462 struct vmw_resource *dx_query_ctx; 463 struct vmw_cmdbuf_res_manager *man; 464 struct vmw_validation_context *ctx; 465 }; 466 467 struct vmw_legacy_display; 468 struct vmw_overlay; 469 470 struct vmw_vga_topology_state { 471 uint32_t width; 472 uint32_t height; 473 uint32_t primary; 474 uint32_t pos_x; 475 uint32_t pos_y; 476 }; 477 478 479 /* 480 * struct vmw_otable - Guest Memory OBject table metadata 481 * 482 * @size: Size of the table (page-aligned). 483 * @page_table: Pointer to a struct vmw_mob holding the page table. 484 */ 485 struct vmw_otable { 486 unsigned long size; 487 struct vmw_mob *page_table; 488 bool enabled; 489 }; 490 491 struct vmw_otable_batch { 492 unsigned num_otables; 493 struct vmw_otable *otables; 494 struct vmw_resource *context; 495 struct ttm_buffer_object *otable_bo; 496 }; 497 498 enum { 499 VMW_IRQTHREAD_FENCE, 500 VMW_IRQTHREAD_CMDBUF, 501 VMW_IRQTHREAD_MAX 502 }; 503 504 /** 505 * enum vmw_sm_type - Graphics context capability supported by device. 506 * @VMW_SM_LEGACY: Pre DX context. 507 * @VMW_SM_4: Context support upto SM4. 508 * @VMW_SM_4_1: Context support upto SM4_1. 509 * @VMW_SM_5: Context support up to SM5. 510 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 511 * @VMW_SM_MAX: Should be the last. 512 */ 513 enum vmw_sm_type { 514 VMW_SM_LEGACY = 0, 515 VMW_SM_4, 516 VMW_SM_4_1, 517 VMW_SM_5, 518 VMW_SM_5_1X, 519 VMW_SM_MAX 520 }; 521 522 struct vmw_private { 523 struct drm_device drm; 524 struct ttm_device bdev; 525 526 struct drm_vma_offset_manager vma_manager; 527 u32 pci_id; 528 resource_size_t io_start; 529 resource_size_t vram_start; 530 resource_size_t vram_size; 531 resource_size_t max_primary_mem; 532 u32 __iomem *rmmio; 533 u32 *fifo_mem; 534 resource_size_t fifo_mem_size; 535 uint32_t fb_max_width; 536 uint32_t fb_max_height; 537 uint32_t texture_max_width; 538 uint32_t texture_max_height; 539 uint32_t stdu_max_width; 540 uint32_t stdu_max_height; 541 uint32_t initial_width; 542 uint32_t initial_height; 543 uint32_t capabilities; 544 uint32_t capabilities2; 545 uint32_t max_gmr_ids; 546 uint32_t max_gmr_pages; 547 uint32_t max_mob_pages; 548 uint32_t max_mob_size; 549 uint32_t memory_size; 550 bool has_gmr; 551 bool has_mob; 552 spinlock_t hw_lock; 553 bool assume_16bpp; 554 u32 irqs[VMWGFX_MAX_NUM_IRQS]; 555 u32 num_irq_vectors; 556 557 enum vmw_sm_type sm_type; 558 559 /* 560 * Framebuffer info. 561 */ 562 563 enum vmw_display_unit_type active_display_unit; 564 struct vmw_legacy_display *ldu_priv; 565 struct vmw_overlay *overlay_priv; 566 struct drm_property *hotplug_mode_update_property; 567 struct drm_property *implicit_placement_property; 568 spinlock_t cursor_lock; 569 struct drm_atomic_state *suspend_state; 570 571 /* 572 * Context and surface management. 573 */ 574 575 spinlock_t resource_lock; 576 struct idr res_idr[vmw_res_max]; 577 578 /* 579 * A resource manager for kernel-only surfaces and 580 * contexts. 581 */ 582 583 struct ttm_object_device *tdev; 584 585 /* 586 * Fencing and IRQs. 587 */ 588 589 atomic_t marker_seq; 590 wait_queue_head_t fence_queue; 591 wait_queue_head_t fifo_queue; 592 spinlock_t waiter_lock; 593 int fence_queue_waiters; /* Protected by waiter_lock */ 594 int goal_queue_waiters; /* Protected by waiter_lock */ 595 int cmdbuf_waiters; /* Protected by waiter_lock */ 596 int error_waiters; /* Protected by waiter_lock */ 597 int fifo_queue_waiters; /* Protected by waiter_lock */ 598 uint32_t last_read_seqno; 599 struct vmw_fence_manager *fman; 600 uint32_t irq_mask; /* Updates protected by waiter_lock */ 601 602 /* 603 * Device state 604 */ 605 606 uint32_t traces_state; 607 uint32_t enable_state; 608 uint32_t config_done_state; 609 610 /** 611 * Execbuf 612 */ 613 /** 614 * Protected by the cmdbuf mutex. 615 */ 616 617 struct vmw_sw_context ctx; 618 struct mutex cmdbuf_mutex; 619 struct mutex binding_mutex; 620 621 /** 622 * PM management. 623 */ 624 struct notifier_block pm_nb; 625 bool refuse_hibernation; 626 bool suspend_locked; 627 628 atomic_t num_fifo_resources; 629 630 /* 631 * Query processing. These members 632 * are protected by the cmdbuf mutex. 633 */ 634 635 struct vmw_buffer_object *dummy_query_bo; 636 struct vmw_buffer_object *pinned_bo; 637 uint32_t query_cid; 638 uint32_t query_cid_valid; 639 bool dummy_query_bo_pinned; 640 641 /* 642 * Surface swapping. The "surface_lru" list is protected by the 643 * resource lock in order to be able to destroy a surface and take 644 * it off the lru atomically. "used_memory_size" is currently 645 * protected by the cmdbuf mutex for simplicity. 646 */ 647 648 struct list_head res_lru[vmw_res_max]; 649 uint32_t used_memory_size; 650 651 /* 652 * DMA mapping stuff. 653 */ 654 enum vmw_dma_map_mode map_mode; 655 656 /* 657 * Guest Backed stuff 658 */ 659 struct vmw_otable_batch otable_batch; 660 661 struct vmw_fifo_state *fifo; 662 struct vmw_cmdbuf_man *cman; 663 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 664 665 uint32 *devcaps; 666 667 /* 668 * mksGuestStat instance-descriptor and pid arrays 669 */ 670 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 671 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 672 673 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 674 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 675 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 676 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 677 #endif 678 }; 679 680 static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj) 681 { 682 return container_of((gobj), struct vmw_buffer_object, base.base); 683 } 684 685 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 686 { 687 return container_of(res, struct vmw_surface, res); 688 } 689 690 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 691 { 692 return (struct vmw_private *)dev->dev_private; 693 } 694 695 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 696 { 697 return (struct vmw_fpriv *)file_priv->driver_priv; 698 } 699 700 /* 701 * SVGA v3 has mmio register access and lacks fifo cmds 702 */ 703 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 704 { 705 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 706 } 707 708 /* 709 * The locking here is fine-grained, so that it is performed once 710 * for every read- and write operation. This is of course costly, but we 711 * don't perform much register access in the timing critical paths anyway. 712 * Instead we have the extra benefit of being sure that we don't forget 713 * the hw lock around register accesses. 714 */ 715 static inline void vmw_write(struct vmw_private *dev_priv, 716 unsigned int offset, uint32_t value) 717 { 718 if (vmw_is_svga_v3(dev_priv)) { 719 iowrite32(value, dev_priv->rmmio + offset); 720 } else { 721 spin_lock(&dev_priv->hw_lock); 722 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 723 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 724 spin_unlock(&dev_priv->hw_lock); 725 } 726 } 727 728 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 729 unsigned int offset) 730 { 731 u32 val; 732 733 if (vmw_is_svga_v3(dev_priv)) { 734 val = ioread32(dev_priv->rmmio + offset); 735 } else { 736 spin_lock(&dev_priv->hw_lock); 737 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 738 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 739 spin_unlock(&dev_priv->hw_lock); 740 } 741 742 return val; 743 } 744 745 /** 746 * has_sm4_context - Does the device support SM4 context. 747 * @dev_priv: Device private. 748 * 749 * Return: Bool value if device support SM4 context or not. 750 */ 751 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 752 { 753 return (dev_priv->sm_type >= VMW_SM_4); 754 } 755 756 /** 757 * has_sm4_1_context - Does the device support SM4_1 context. 758 * @dev_priv: Device private. 759 * 760 * Return: Bool value if device support SM4_1 context or not. 761 */ 762 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 763 { 764 return (dev_priv->sm_type >= VMW_SM_4_1); 765 } 766 767 /** 768 * has_sm5_context - Does the device support SM5 context. 769 * @dev_priv: Device private. 770 * 771 * Return: Bool value if device support SM5 context or not. 772 */ 773 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 774 { 775 return (dev_priv->sm_type >= VMW_SM_5); 776 } 777 778 /** 779 * has_gl43_context - Does the device support GL43 context. 780 * @dev_priv: Device private. 781 * 782 * Return: Bool value if device support SM5 context or not. 783 */ 784 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 785 { 786 return (dev_priv->sm_type >= VMW_SM_5_1X); 787 } 788 789 790 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 791 { 792 return (has_gl43_context(dev_priv) ? 793 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 794 } 795 796 extern void vmw_svga_enable(struct vmw_private *dev_priv); 797 extern void vmw_svga_disable(struct vmw_private *dev_priv); 798 799 800 /** 801 * GMR utilities - vmwgfx_gmr.c 802 */ 803 804 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 805 const struct vmw_sg_table *vsgt, 806 unsigned long num_pages, 807 int gmr_id); 808 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 809 810 /** 811 * Resource utilities - vmwgfx_resource.c 812 */ 813 struct vmw_user_resource_conv; 814 815 extern void vmw_resource_unreference(struct vmw_resource **p_res); 816 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 817 extern struct vmw_resource * 818 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 819 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 820 bool dirtying); 821 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 822 bool no_backup); 823 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 824 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 825 struct drm_file *filp, 826 uint32_t handle, 827 struct vmw_surface **out_surf, 828 struct vmw_buffer_object **out_buf); 829 extern int vmw_user_resource_lookup_handle( 830 struct vmw_private *dev_priv, 831 struct ttm_object_file *tfile, 832 uint32_t handle, 833 const struct vmw_user_resource_conv *converter, 834 struct vmw_resource **p_res); 835 836 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 837 struct drm_file *file_priv); 838 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 839 struct drm_file *file_priv); 840 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 841 struct ttm_object_file *tfile, 842 uint32_t *inout_id, 843 struct vmw_resource **out); 844 extern void vmw_resource_unreserve(struct vmw_resource *res, 845 bool dirty_set, 846 bool dirty, 847 bool switch_backup, 848 struct vmw_buffer_object *new_backup, 849 unsigned long new_backup_offset); 850 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 851 struct ttm_resource *old_mem, 852 struct ttm_resource *new_mem); 853 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 854 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 855 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 856 void vmw_resource_mob_attach(struct vmw_resource *res); 857 void vmw_resource_mob_detach(struct vmw_resource *res); 858 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 859 pgoff_t end); 860 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 861 pgoff_t end, pgoff_t *num_prefault); 862 863 /** 864 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 865 * @res: The resource 866 * 867 * Return: true if the resource has a mob attached, false otherwise. 868 */ 869 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 870 { 871 return !RB_EMPTY_NODE(&res->mob_node); 872 } 873 874 /** 875 * Buffer object helper functions - vmwgfx_bo.c 876 */ 877 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 878 struct vmw_buffer_object *bo, 879 struct ttm_placement *placement, 880 bool interruptible); 881 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 882 struct vmw_buffer_object *buf, 883 bool interruptible); 884 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 885 struct vmw_buffer_object *buf, 886 bool interruptible); 887 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 888 struct vmw_buffer_object *bo, 889 bool interruptible); 890 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 891 struct vmw_buffer_object *bo, 892 bool interruptible); 893 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 894 SVGAGuestPtr *ptr); 895 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 896 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 897 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 898 unsigned long size, 899 struct ttm_placement *placement, 900 struct ttm_buffer_object **p_bo); 901 extern int vmw_bo_create(struct vmw_private *dev_priv, 902 size_t size, struct ttm_placement *placement, 903 bool interruptible, bool pin, 904 void (*bo_free)(struct ttm_buffer_object *bo), 905 struct vmw_buffer_object **p_bo); 906 extern int vmw_bo_init(struct vmw_private *dev_priv, 907 struct vmw_buffer_object *vmw_bo, 908 size_t size, struct ttm_placement *placement, 909 bool interruptible, bool pin, 910 void (*bo_free)(struct ttm_buffer_object *bo)); 911 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 912 struct drm_file *file_priv); 913 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 914 struct drm_file *file_priv); 915 extern int vmw_user_bo_lookup(struct drm_file *filp, 916 uint32_t handle, 917 struct vmw_buffer_object **out); 918 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 919 struct vmw_fence_obj *fence); 920 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 921 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 922 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 923 struct ttm_resource *mem); 924 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 925 926 /** 927 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 928 * according to attached resources 929 * @vbo: The struct vmw_buffer_object 930 */ 931 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 932 { 933 int i = ARRAY_SIZE(vbo->res_prios); 934 935 while (i--) { 936 if (vbo->res_prios[i]) { 937 vbo->base.priority = i; 938 return; 939 } 940 } 941 942 vbo->base.priority = 3; 943 } 944 945 /** 946 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 947 * eviction priority 948 * @vbo: The struct vmw_buffer_object 949 * @prio: The resource priority 950 * 951 * After being notified, the code assigns the highest resource eviction priority 952 * to the backing buffer object (mob). 953 */ 954 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 955 { 956 if (vbo->res_prios[prio]++ == 0) 957 vmw_bo_prio_adjust(vbo); 958 } 959 960 /** 961 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 962 * priority being removed 963 * @vbo: The struct vmw_buffer_object 964 * @prio: The resource priority 965 * 966 * After being notified, the code assigns the highest resource eviction priority 967 * to the backing buffer object (mob). 968 */ 969 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 970 { 971 if (--vbo->res_prios[prio] == 0) 972 vmw_bo_prio_adjust(vbo); 973 } 974 975 /** 976 * GEM related functionality - vmwgfx_gem.c 977 */ 978 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 979 struct drm_file *filp, 980 uint32_t size, 981 uint32_t *handle, 982 struct vmw_buffer_object **p_vbo); 983 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 984 struct drm_file *filp); 985 extern void vmw_gem_destroy(struct ttm_buffer_object *bo); 986 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 987 988 /** 989 * Misc Ioctl functionality - vmwgfx_ioctl.c 990 */ 991 992 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 993 struct drm_file *file_priv); 994 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 995 struct drm_file *file_priv); 996 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 997 struct drm_file *file_priv); 998 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 999 struct drm_file *file_priv); 1000 1001 /** 1002 * Fifo utilities - vmwgfx_fifo.c 1003 */ 1004 1005 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 1006 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 1007 extern bool vmw_cmd_supported(struct vmw_private *vmw); 1008 extern void * 1009 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 1010 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 1011 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 1012 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 1013 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 1014 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 1015 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 1016 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 1017 uint32_t cid); 1018 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 1019 bool interruptible); 1020 1021 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 1022 ({ \ 1023 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 1024 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 1025 __func__, (unsigned int) __bytes); \ 1026 NULL; \ 1027 }); \ 1028 }) 1029 1030 #define VMW_CMD_RESERVE(__priv, __bytes) \ 1031 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 1032 1033 1034 /** 1035 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1036 * queue or 0 if fifo memory isn't present. 1037 * @dev_priv: The device private context 1038 */ 1039 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1040 { 1041 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1042 return 0; 1043 return dev_priv->fifo->capabilities; 1044 } 1045 1046 1047 /** 1048 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1049 * is enabled in the FIFO. 1050 * @dev_priv: The device private context 1051 */ 1052 static inline bool 1053 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1054 { 1055 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1056 } 1057 1058 /** 1059 * TTM glue - vmwgfx_ttm_glue.c 1060 */ 1061 1062 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1063 1064 /** 1065 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1066 */ 1067 1068 extern const size_t vmw_tt_size; 1069 extern struct ttm_placement vmw_vram_placement; 1070 extern struct ttm_placement vmw_vram_sys_placement; 1071 extern struct ttm_placement vmw_vram_gmr_placement; 1072 extern struct ttm_placement vmw_sys_placement; 1073 extern struct ttm_placement vmw_srf_placement; 1074 extern struct ttm_placement vmw_mob_placement; 1075 extern struct ttm_placement vmw_nonfixed_placement; 1076 extern struct ttm_device_funcs vmw_bo_driver; 1077 extern const struct vmw_sg_table * 1078 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1079 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1080 unsigned long bo_size, 1081 struct ttm_buffer_object **bo_p); 1082 1083 extern void vmw_piter_start(struct vmw_piter *viter, 1084 const struct vmw_sg_table *vsgt, 1085 unsigned long p_offs); 1086 1087 /** 1088 * vmw_piter_next - Advance the iterator one page. 1089 * 1090 * @viter: Pointer to the iterator to advance. 1091 * 1092 * Returns false if past the list of pages, true otherwise. 1093 */ 1094 static inline bool vmw_piter_next(struct vmw_piter *viter) 1095 { 1096 return viter->next(viter); 1097 } 1098 1099 /** 1100 * vmw_piter_dma_addr - Return the DMA address of the current page. 1101 * 1102 * @viter: Pointer to the iterator 1103 * 1104 * Returns the DMA address of the page pointed to by @viter. 1105 */ 1106 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1107 { 1108 return viter->dma_address(viter); 1109 } 1110 1111 /** 1112 * vmw_piter_page - Return a pointer to the current page. 1113 * 1114 * @viter: Pointer to the iterator 1115 * 1116 * Returns the DMA address of the page pointed to by @viter. 1117 */ 1118 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1119 { 1120 return viter->pages[viter->i]; 1121 } 1122 1123 /** 1124 * Command submission - vmwgfx_execbuf.c 1125 */ 1126 1127 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1128 struct drm_file *file_priv); 1129 extern int vmw_execbuf_process(struct drm_file *file_priv, 1130 struct vmw_private *dev_priv, 1131 void __user *user_commands, 1132 void *kernel_commands, 1133 uint32_t command_size, 1134 uint64_t throttle_us, 1135 uint32_t dx_context_handle, 1136 struct drm_vmw_fence_rep __user 1137 *user_fence_rep, 1138 struct vmw_fence_obj **out_fence, 1139 uint32_t flags); 1140 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1141 struct vmw_fence_obj *fence); 1142 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1143 1144 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1145 struct vmw_private *dev_priv, 1146 struct vmw_fence_obj **p_fence, 1147 uint32_t *p_handle); 1148 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1149 struct vmw_fpriv *vmw_fp, 1150 int ret, 1151 struct drm_vmw_fence_rep __user 1152 *user_fence_rep, 1153 struct vmw_fence_obj *fence, 1154 uint32_t fence_handle, 1155 int32_t out_fence_fd); 1156 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1157 1158 /** 1159 * IRQs and wating - vmwgfx_irq.c 1160 */ 1161 1162 extern int vmw_irq_install(struct vmw_private *dev_priv); 1163 extern void vmw_irq_uninstall(struct drm_device *dev); 1164 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1165 uint32_t seqno); 1166 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1167 bool lazy, 1168 bool fifo_idle, 1169 uint32_t seqno, 1170 bool interruptible, 1171 unsigned long timeout); 1172 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1173 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1174 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1175 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1176 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1177 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1178 int *waiter_count); 1179 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1180 u32 flag, int *waiter_count); 1181 1182 /** 1183 * Kernel modesetting - vmwgfx_kms.c 1184 */ 1185 1186 int vmw_kms_init(struct vmw_private *dev_priv); 1187 int vmw_kms_close(struct vmw_private *dev_priv); 1188 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1189 struct drm_file *file_priv); 1190 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1191 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1192 struct ttm_object_file *tfile, 1193 struct ttm_buffer_object *bo, 1194 SVGA3dCmdHeader *header); 1195 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1196 unsigned width, unsigned height, unsigned pitch, 1197 unsigned bpp, unsigned depth); 1198 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1199 uint32_t pitch, 1200 uint32_t height); 1201 int vmw_kms_present(struct vmw_private *dev_priv, 1202 struct drm_file *file_priv, 1203 struct vmw_framebuffer *vfb, 1204 struct vmw_surface *surface, 1205 uint32_t sid, int32_t destX, int32_t destY, 1206 struct drm_vmw_rect *clips, 1207 uint32_t num_clips); 1208 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1209 struct drm_file *file_priv); 1210 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1211 int vmw_kms_suspend(struct drm_device *dev); 1212 int vmw_kms_resume(struct drm_device *dev); 1213 void vmw_kms_lost_device(struct drm_device *dev); 1214 1215 int vmw_dumb_create(struct drm_file *file_priv, 1216 struct drm_device *dev, 1217 struct drm_mode_create_dumb *args); 1218 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1219 extern void vmw_resource_unpin(struct vmw_resource *res); 1220 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1221 1222 /** 1223 * Overlay control - vmwgfx_overlay.c 1224 */ 1225 1226 int vmw_overlay_init(struct vmw_private *dev_priv); 1227 int vmw_overlay_close(struct vmw_private *dev_priv); 1228 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1229 struct drm_file *file_priv); 1230 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1231 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1232 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1233 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1234 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1235 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1236 1237 /** 1238 * GMR Id manager 1239 */ 1240 1241 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1242 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1243 1244 /** 1245 * System memory manager 1246 */ 1247 int vmw_sys_man_init(struct vmw_private *dev_priv); 1248 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1249 1250 /** 1251 * Prime - vmwgfx_prime.c 1252 */ 1253 1254 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1255 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1256 struct drm_file *file_priv, 1257 int fd, u32 *handle); 1258 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1259 struct drm_file *file_priv, 1260 uint32_t handle, uint32_t flags, 1261 int *prime_fd); 1262 1263 /* 1264 * MemoryOBject management - vmwgfx_mob.c 1265 */ 1266 struct vmw_mob; 1267 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1268 const struct vmw_sg_table *vsgt, 1269 unsigned long num_data_pages, int32_t mob_id); 1270 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1271 struct vmw_mob *mob); 1272 extern void vmw_mob_destroy(struct vmw_mob *mob); 1273 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1274 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1275 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1276 1277 /* 1278 * Context management - vmwgfx_context.c 1279 */ 1280 1281 extern const struct vmw_user_resource_conv *user_context_converter; 1282 1283 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1284 struct drm_file *file_priv); 1285 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1286 struct drm_file *file_priv); 1287 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1288 struct drm_file *file_priv); 1289 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1290 extern struct vmw_cmdbuf_res_manager * 1291 vmw_context_res_man(struct vmw_resource *ctx); 1292 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1293 SVGACOTableType cotable_type); 1294 struct vmw_ctx_binding_state; 1295 extern struct vmw_ctx_binding_state * 1296 vmw_context_binding_state(struct vmw_resource *ctx); 1297 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1298 bool readback); 1299 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1300 struct vmw_buffer_object *mob); 1301 extern struct vmw_buffer_object * 1302 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1303 1304 1305 /* 1306 * Surface management - vmwgfx_surface.c 1307 */ 1308 1309 extern const struct vmw_user_resource_conv *user_surface_converter; 1310 1311 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1312 struct drm_file *file_priv); 1313 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1314 struct drm_file *file_priv); 1315 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1316 struct drm_file *file_priv); 1317 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1318 struct drm_file *file_priv); 1319 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1320 struct drm_file *file_priv); 1321 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1322 void *data, 1323 struct drm_file *file_priv); 1324 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1325 void *data, 1326 struct drm_file *file_priv); 1327 1328 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1329 const struct vmw_surface_metadata *req, 1330 struct vmw_surface **srf_out); 1331 1332 /* 1333 * Shader management - vmwgfx_shader.c 1334 */ 1335 1336 extern const struct vmw_user_resource_conv *user_shader_converter; 1337 1338 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1339 struct drm_file *file_priv); 1340 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1341 struct drm_file *file_priv); 1342 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1343 struct vmw_cmdbuf_res_manager *man, 1344 u32 user_key, const void *bytecode, 1345 SVGA3dShaderType shader_type, 1346 size_t size, 1347 struct list_head *list); 1348 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1349 u32 user_key, SVGA3dShaderType shader_type, 1350 struct list_head *list); 1351 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1352 struct vmw_resource *ctx, 1353 u32 user_key, 1354 SVGA3dShaderType shader_type, 1355 struct list_head *list); 1356 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1357 struct list_head *list, 1358 bool readback); 1359 1360 extern struct vmw_resource * 1361 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1362 u32 user_key, SVGA3dShaderType shader_type); 1363 1364 /* 1365 * Streamoutput management 1366 */ 1367 struct vmw_resource * 1368 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1369 u32 user_key); 1370 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1371 struct vmw_resource *ctx, 1372 SVGA3dStreamOutputId user_key, 1373 struct list_head *list); 1374 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1375 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1376 SVGA3dStreamOutputId user_key, 1377 struct list_head *list); 1378 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1379 struct list_head *list, 1380 bool readback); 1381 1382 /* 1383 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1384 */ 1385 1386 extern struct vmw_cmdbuf_res_manager * 1387 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1388 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1389 extern struct vmw_resource * 1390 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1391 enum vmw_cmdbuf_res_type res_type, 1392 u32 user_key); 1393 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1394 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1395 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1396 enum vmw_cmdbuf_res_type res_type, 1397 u32 user_key, 1398 struct vmw_resource *res, 1399 struct list_head *list); 1400 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1401 enum vmw_cmdbuf_res_type res_type, 1402 u32 user_key, 1403 struct list_head *list, 1404 struct vmw_resource **res); 1405 1406 /* 1407 * COTable management - vmwgfx_cotable.c 1408 */ 1409 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1410 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1411 struct vmw_resource *ctx, 1412 u32 type); 1413 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1414 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1415 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1416 struct list_head *head); 1417 1418 /* 1419 * Command buffer managerment vmwgfx_cmdbuf.c 1420 */ 1421 struct vmw_cmdbuf_man; 1422 struct vmw_cmdbuf_header; 1423 1424 extern struct vmw_cmdbuf_man * 1425 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1426 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1427 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1428 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1429 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1430 unsigned long timeout); 1431 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1432 int ctx_id, bool interruptible, 1433 struct vmw_cmdbuf_header *header); 1434 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1435 struct vmw_cmdbuf_header *header, 1436 bool flush); 1437 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1438 size_t size, bool interruptible, 1439 struct vmw_cmdbuf_header **p_header); 1440 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1441 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1442 bool interruptible); 1443 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1444 1445 /* CPU blit utilities - vmwgfx_blit.c */ 1446 1447 /** 1448 * struct vmw_diff_cpy - CPU blit information structure 1449 * 1450 * @rect: The output bounding box rectangle. 1451 * @line: The current line of the blit. 1452 * @line_offset: Offset of the current line segment. 1453 * @cpp: Bytes per pixel (granularity information). 1454 * @memcpy: Which memcpy function to use. 1455 */ 1456 struct vmw_diff_cpy { 1457 struct drm_rect rect; 1458 size_t line; 1459 size_t line_offset; 1460 int cpp; 1461 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1462 size_t n); 1463 }; 1464 1465 #define VMW_CPU_BLIT_INITIALIZER { \ 1466 .do_cpy = vmw_memcpy, \ 1467 } 1468 1469 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1470 .line = 0, \ 1471 .line_offset = 0, \ 1472 .rect = { .x1 = INT_MAX/2, \ 1473 .y1 = INT_MAX/2, \ 1474 .x2 = INT_MIN/2, \ 1475 .y2 = INT_MIN/2 \ 1476 }, \ 1477 .cpp = _cpp, \ 1478 .do_cpy = vmw_diff_memcpy, \ 1479 } 1480 1481 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1482 size_t n); 1483 1484 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1485 1486 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1487 u32 dst_offset, u32 dst_stride, 1488 struct ttm_buffer_object *src, 1489 u32 src_offset, u32 src_stride, 1490 u32 w, u32 h, 1491 struct vmw_diff_cpy *diff); 1492 1493 /* Host messaging -vmwgfx_msg.c: */ 1494 int vmw_host_get_guestinfo(const char *guest_info_param, 1495 char *buffer, size_t *length); 1496 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1497 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1498 struct drm_file *file_priv); 1499 1500 /* Host mksGuestStats -vmwgfx_msg.c: */ 1501 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1502 1503 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1504 struct drm_file *file_priv); 1505 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1506 struct drm_file *file_priv); 1507 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1508 struct drm_file *file_priv); 1509 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1510 1511 /* VMW logging */ 1512 1513 /** 1514 * VMW_DEBUG_USER - Debug output for user-space debugging. 1515 * 1516 * @fmt: printf() like format string. 1517 * 1518 * This macro is for logging user-space error and debugging messages for e.g. 1519 * command buffer execution errors due to malformed commands, invalid context, 1520 * etc. 1521 */ 1522 #define VMW_DEBUG_USER(fmt, ...) \ 1523 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1524 1525 /* Resource dirtying - vmwgfx_page_dirty.c */ 1526 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1527 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1528 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1529 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1530 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1531 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1532 pgoff_t start, pgoff_t end); 1533 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1534 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1535 1536 1537 /** 1538 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1539 * 1540 * This macro is for debugging vmwgfx mode-setting code. 1541 */ 1542 #define VMW_DEBUG_KMS(fmt, ...) \ 1543 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1544 1545 /** 1546 * Inline helper functions 1547 */ 1548 1549 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1550 { 1551 struct vmw_surface *tmp_srf = *srf; 1552 struct vmw_resource *res = &tmp_srf->res; 1553 *srf = NULL; 1554 1555 vmw_resource_unreference(&res); 1556 } 1557 1558 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1559 { 1560 (void) vmw_resource_reference(&srf->res); 1561 return srf; 1562 } 1563 1564 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1565 { 1566 struct vmw_buffer_object *tmp_buf = *buf; 1567 1568 *buf = NULL; 1569 if (tmp_buf != NULL) 1570 ttm_bo_put(&tmp_buf->base); 1571 } 1572 1573 static inline struct vmw_buffer_object * 1574 vmw_bo_reference(struct vmw_buffer_object *buf) 1575 { 1576 ttm_bo_get(&buf->base); 1577 return buf; 1578 } 1579 1580 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1581 { 1582 atomic_inc(&dev_priv->num_fifo_resources); 1583 } 1584 1585 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1586 { 1587 atomic_dec(&dev_priv->num_fifo_resources); 1588 } 1589 1590 /** 1591 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1592 * 1593 * @fifo_reg: The fifo register to read from 1594 * 1595 * This function is intended to be equivalent to ioread32() on 1596 * memremap'd memory, but without byteswapping. 1597 */ 1598 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1599 { 1600 BUG_ON(vmw_is_svga_v3(vmw)); 1601 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1602 } 1603 1604 /** 1605 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1606 * 1607 * @addr: The fifo register to write to 1608 * 1609 * This function is intended to be equivalent to iowrite32 on 1610 * memremap'd memory, but without byteswapping. 1611 */ 1612 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1613 u32 value) 1614 { 1615 BUG_ON(vmw_is_svga_v3(vmw)); 1616 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1617 } 1618 1619 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1620 { 1621 u32 fence; 1622 if (vmw_is_svga_v3(dev_priv)) 1623 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1624 else 1625 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1626 return fence; 1627 } 1628 1629 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1630 u32 fence) 1631 { 1632 BUG_ON(vmw_is_svga_v3(dev_priv)); 1633 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1634 } 1635 1636 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1637 { 1638 u32 status; 1639 if (vmw_is_svga_v3(vmw)) 1640 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1641 else 1642 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1643 return status; 1644 } 1645 1646 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1647 uint32 status) 1648 { 1649 if (vmw_is_svga_v3(vmw)) 1650 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1651 else 1652 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1653 } 1654 1655 static inline bool vmw_has_fences(struct vmw_private *vmw) 1656 { 1657 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1658 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1659 return true; 1660 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1661 } 1662 1663 #endif 1664