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 34 #include <drm/drm_auth.h> 35 #include <drm/drm_device.h> 36 #include <drm/drm_file.h> 37 #include <drm/drm_rect.h> 38 39 #include <drm/ttm/ttm_bo_driver.h> 40 #include <drm/ttm/ttm_execbuf_util.h> 41 42 #include "ttm_object.h" 43 44 #include "vmwgfx_fence.h" 45 #include "vmwgfx_hashtab.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_PCI_ID_SVGA2 0x0405 66 #define VMWGFX_PCI_ID_SVGA3 0x0406 67 68 /* 69 * This has to match get_count_order(SVGA_IRQFLAG_MAX) 70 */ 71 #define VMWGFX_MAX_NUM_IRQS 6 72 73 /* 74 * Perhaps we should have sysfs entries for these. 75 */ 76 #define VMWGFX_NUM_GB_CONTEXT 256 77 #define VMWGFX_NUM_GB_SHADER 20000 78 #define VMWGFX_NUM_GB_SURFACE 32768 79 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 80 #define VMWGFX_NUM_DXCONTEXT 256 81 #define VMWGFX_NUM_DXQUERY 512 82 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 83 VMWGFX_NUM_GB_SHADER +\ 84 VMWGFX_NUM_GB_SURFACE +\ 85 VMWGFX_NUM_GB_SCREEN_TARGET) 86 87 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 88 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 89 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 90 91 #define VMW_RES_CONTEXT ttm_driver_type0 92 #define VMW_RES_SURFACE ttm_driver_type1 93 #define VMW_RES_STREAM ttm_driver_type2 94 #define VMW_RES_FENCE ttm_driver_type3 95 #define VMW_RES_SHADER ttm_driver_type4 96 97 #define MKSSTAT_CAPACITY_LOG2 5U 98 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 99 100 struct vmw_fpriv { 101 struct ttm_object_file *tfile; 102 bool gb_aware; /* user-space is guest-backed aware */ 103 }; 104 105 /** 106 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 107 * @base: The TTM buffer object 108 * @res_tree: RB tree of resources using this buffer object as a backing MOB 109 * @base_mapped_count: ttm BO mapping count; used by KMS atomic helpers. 110 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 111 * increased. May be decreased without reservation. 112 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 113 * @map: Kmap object for semi-persistent mappings 114 * @res_prios: Eviction priority counts for attached resources 115 * @dirty: structure for user-space dirty-tracking 116 */ 117 struct vmw_buffer_object { 118 struct ttm_buffer_object base; 119 struct rb_root res_tree; 120 /* For KMS atomic helpers: ttm bo mapping count */ 121 atomic_t base_mapped_count; 122 123 atomic_t cpu_writers; 124 /* Not ref-counted. Protected by binding_mutex */ 125 struct vmw_resource *dx_query_ctx; 126 /* Protected by reservation */ 127 struct ttm_bo_kmap_obj map; 128 u32 res_prios[TTM_MAX_BO_PRIORITY]; 129 struct vmw_bo_dirty *dirty; 130 }; 131 132 /** 133 * struct vmw_validate_buffer - Carries validation info about buffers. 134 * 135 * @base: Validation info for TTM. 136 * @hash: Hash entry for quick lookup of the TTM buffer object. 137 * 138 * This structure contains also driver private validation info 139 * on top of the info needed by TTM. 140 */ 141 struct vmw_validate_buffer { 142 struct ttm_validate_buffer base; 143 struct vmwgfx_hash_item hash; 144 bool validate_as_mob; 145 }; 146 147 struct vmw_res_func; 148 149 150 /** 151 * struct vmw-resource - base class for hardware resources 152 * 153 * @kref: For refcounting. 154 * @dev_priv: Pointer to the device private for this resource. Immutable. 155 * @id: Device id. Protected by @dev_priv::resource_lock. 156 * @backup_size: Backup buffer size. Immutable. 157 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 158 * by resource reserved. 159 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 160 * Protected by resource reserved. 161 * @coherent: Emulate coherency by tracking vm accesses. 162 * @backup: The backup buffer if any. Protected by resource reserved. 163 * @backup_offset: Offset into the backup buffer if any. Protected by resource 164 * reserved. Note that only a few resource types can have a @backup_offset 165 * different from zero. 166 * @pin_count: The pin count for this resource. A pinned resource has a 167 * pin-count greater than zero. It is not on the resource LRU lists and its 168 * backup buffer is pinned. Hence it can't be evicted. 169 * @func: Method vtable for this resource. Immutable. 170 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 171 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 172 * @binding_head: List head for the context binding list. Protected by 173 * the @dev_priv::binding_mutex 174 * @res_free: The resource destructor. 175 * @hw_destroy: Callback to destroy the resource on the device, as part of 176 * resource destruction. 177 */ 178 struct vmw_resource_dirty; 179 struct vmw_resource { 180 struct kref kref; 181 struct vmw_private *dev_priv; 182 int id; 183 u32 used_prio; 184 unsigned long backup_size; 185 u32 res_dirty : 1; 186 u32 backup_dirty : 1; 187 u32 coherent : 1; 188 struct vmw_buffer_object *backup; 189 unsigned long backup_offset; 190 unsigned long pin_count; 191 const struct vmw_res_func *func; 192 struct rb_node mob_node; 193 struct list_head lru_head; 194 struct list_head binding_head; 195 struct vmw_resource_dirty *dirty; 196 void (*res_free) (struct vmw_resource *res); 197 void (*hw_destroy) (struct vmw_resource *res); 198 }; 199 200 201 /* 202 * Resources that are managed using ioctls. 203 */ 204 enum vmw_res_type { 205 vmw_res_context, 206 vmw_res_surface, 207 vmw_res_stream, 208 vmw_res_shader, 209 vmw_res_dx_context, 210 vmw_res_cotable, 211 vmw_res_view, 212 vmw_res_streamoutput, 213 vmw_res_max 214 }; 215 216 /* 217 * Resources that are managed using command streams. 218 */ 219 enum vmw_cmdbuf_res_type { 220 vmw_cmdbuf_res_shader, 221 vmw_cmdbuf_res_view, 222 vmw_cmdbuf_res_streamoutput 223 }; 224 225 struct vmw_cmdbuf_res_manager; 226 227 struct vmw_cursor_snooper { 228 size_t age; 229 uint32_t *image; 230 }; 231 232 struct vmw_framebuffer; 233 struct vmw_surface_offset; 234 235 /** 236 * struct vmw_surface_metadata - Metadata describing a surface. 237 * 238 * @flags: Device flags. 239 * @format: Surface SVGA3D_x format. 240 * @mip_levels: Mip level for each face. For GB first index is used only. 241 * @multisample_count: Sample count. 242 * @multisample_pattern: Sample patterns. 243 * @quality_level: Quality level. 244 * @autogen_filter: Filter for automatically generated mipmaps. 245 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 246 texture number of faces * array_size. This should be 0 for pre 247 SM4 device. 248 * @buffer_byte_stride: Buffer byte stride. 249 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 250 * @base_size: Surface dimension. 251 * @sizes: Array representing mip sizes. Legacy only. 252 * @scanout: Whether this surface will be used for scanout. 253 * 254 * This tracks metadata for both legacy and guest backed surface. 255 */ 256 struct vmw_surface_metadata { 257 u64 flags; 258 u32 format; 259 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 260 u32 multisample_count; 261 u32 multisample_pattern; 262 u32 quality_level; 263 u32 autogen_filter; 264 u32 array_size; 265 u32 num_sizes; 266 u32 buffer_byte_stride; 267 struct drm_vmw_size base_size; 268 struct drm_vmw_size *sizes; 269 bool scanout; 270 }; 271 272 /** 273 * struct vmw_surface: Resource structure for a surface. 274 * 275 * @res: The base resource for this surface. 276 * @metadata: Metadata for this surface resource. 277 * @snooper: Cursor data. Legacy surface only. 278 * @offsets: Legacy surface only. 279 * @view_list: List of views bound to this surface. 280 */ 281 struct vmw_surface { 282 struct vmw_resource res; 283 struct vmw_surface_metadata metadata; 284 struct vmw_cursor_snooper snooper; 285 struct vmw_surface_offset *offsets; 286 struct list_head view_list; 287 }; 288 289 struct vmw_fifo_state { 290 unsigned long reserved_size; 291 u32 *dynamic_buffer; 292 u32 *static_buffer; 293 unsigned long static_buffer_size; 294 bool using_bounce_buffer; 295 uint32_t capabilities; 296 struct mutex fifo_mutex; 297 struct rw_semaphore rwsem; 298 }; 299 300 /** 301 * struct vmw_res_cache_entry - resource information cache entry 302 * @handle: User-space handle of a resource. 303 * @res: Non-ref-counted pointer to the resource. 304 * @valid_handle: Whether the @handle member is valid. 305 * @valid: Whether the entry is valid, which also implies that the execbuf 306 * code holds a reference to the resource, and it's placed on the 307 * validation list. 308 * 309 * Used to avoid frequent repeated user-space handle lookups of the 310 * same resource. 311 */ 312 struct vmw_res_cache_entry { 313 uint32_t handle; 314 struct vmw_resource *res; 315 void *private; 316 unsigned short valid_handle; 317 unsigned short valid; 318 }; 319 320 /** 321 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 322 */ 323 enum vmw_dma_map_mode { 324 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 325 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 326 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 327 vmw_dma_map_max 328 }; 329 330 /** 331 * struct vmw_sg_table - Scatter/gather table for binding, with additional 332 * device-specific information. 333 * 334 * @sgt: Pointer to a struct sg_table with binding information 335 * @num_regions: Number of regions with device-address contiguous pages 336 */ 337 struct vmw_sg_table { 338 enum vmw_dma_map_mode mode; 339 struct page **pages; 340 const dma_addr_t *addrs; 341 struct sg_table *sgt; 342 unsigned long num_pages; 343 }; 344 345 /** 346 * struct vmw_piter - Page iterator that iterates over a list of pages 347 * and DMA addresses that could be either a scatter-gather list or 348 * arrays 349 * 350 * @pages: Array of page pointers to the pages. 351 * @addrs: DMA addresses to the pages if coherent pages are used. 352 * @iter: Scatter-gather page iterator. Current position in SG list. 353 * @i: Current position in arrays. 354 * @num_pages: Number of pages total. 355 * @next: Function to advance the iterator. Returns false if past the list 356 * of pages, true otherwise. 357 * @dma_address: Function to return the DMA address of the current page. 358 */ 359 struct vmw_piter { 360 struct page **pages; 361 const dma_addr_t *addrs; 362 struct sg_dma_page_iter iter; 363 unsigned long i; 364 unsigned long num_pages; 365 bool (*next)(struct vmw_piter *); 366 dma_addr_t (*dma_address)(struct vmw_piter *); 367 }; 368 369 370 struct vmw_ttm_tt { 371 struct ttm_tt dma_ttm; 372 struct vmw_private *dev_priv; 373 int gmr_id; 374 struct vmw_mob *mob; 375 int mem_type; 376 struct sg_table sgt; 377 struct vmw_sg_table vsgt; 378 bool mapped; 379 bool bound; 380 }; 381 382 /* 383 * enum vmw_display_unit_type - Describes the display unit 384 */ 385 enum vmw_display_unit_type { 386 vmw_du_invalid = 0, 387 vmw_du_legacy, 388 vmw_du_screen_object, 389 vmw_du_screen_target, 390 vmw_du_max 391 }; 392 393 struct vmw_validation_context; 394 struct vmw_ctx_validation_info; 395 396 /** 397 * struct vmw_sw_context - Command submission context 398 * @res_ht: Pointer hash table used to find validation duplicates 399 * @kernel: Whether the command buffer originates from kernel code rather 400 * than from user-space 401 * @fp: If @kernel is false, points to the file of the client. Otherwise 402 * NULL 403 * @cmd_bounce: Command bounce buffer used for command validation before 404 * copying to fifo space 405 * @cmd_bounce_size: Current command bounce buffer size 406 * @cur_query_bo: Current buffer object used as query result buffer 407 * @bo_relocations: List of buffer object relocations 408 * @res_relocations: List of resource relocations 409 * @buf_start: Pointer to start of memory where command validation takes 410 * place 411 * @res_cache: Cache of recently looked up resources 412 * @last_query_ctx: Last context that submitted a query 413 * @needs_post_query_barrier: Whether a query barrier is needed after 414 * command submission 415 * @staged_bindings: Cached per-context binding tracker 416 * @staged_bindings_inuse: Whether the cached per-context binding tracker 417 * is in use 418 * @staged_cmd_res: List of staged command buffer managed resources in this 419 * command buffer 420 * @ctx_list: List of context resources referenced in this command buffer 421 * @dx_ctx_node: Validation metadata of the current DX context 422 * @dx_query_mob: The MOB used for DX queries 423 * @dx_query_ctx: The DX context used for the last DX query 424 * @man: Pointer to the command buffer managed resource manager 425 * @ctx: The validation context 426 */ 427 struct vmw_sw_context{ 428 struct vmwgfx_open_hash res_ht; 429 bool res_ht_initialized; 430 bool kernel; 431 struct vmw_fpriv *fp; 432 struct drm_file *filp; 433 uint32_t *cmd_bounce; 434 uint32_t cmd_bounce_size; 435 struct vmw_buffer_object *cur_query_bo; 436 struct list_head bo_relocations; 437 struct list_head res_relocations; 438 uint32_t *buf_start; 439 struct vmw_res_cache_entry res_cache[vmw_res_max]; 440 struct vmw_resource *last_query_ctx; 441 bool needs_post_query_barrier; 442 struct vmw_ctx_binding_state *staged_bindings; 443 bool staged_bindings_inuse; 444 struct list_head staged_cmd_res; 445 struct list_head ctx_list; 446 struct vmw_ctx_validation_info *dx_ctx_node; 447 struct vmw_buffer_object *dx_query_mob; 448 struct vmw_resource *dx_query_ctx; 449 struct vmw_cmdbuf_res_manager *man; 450 struct vmw_validation_context *ctx; 451 }; 452 453 struct vmw_legacy_display; 454 struct vmw_overlay; 455 456 struct vmw_vga_topology_state { 457 uint32_t width; 458 uint32_t height; 459 uint32_t primary; 460 uint32_t pos_x; 461 uint32_t pos_y; 462 }; 463 464 465 /* 466 * struct vmw_otable - Guest Memory OBject table metadata 467 * 468 * @size: Size of the table (page-aligned). 469 * @page_table: Pointer to a struct vmw_mob holding the page table. 470 */ 471 struct vmw_otable { 472 unsigned long size; 473 struct vmw_mob *page_table; 474 bool enabled; 475 }; 476 477 struct vmw_otable_batch { 478 unsigned num_otables; 479 struct vmw_otable *otables; 480 struct vmw_resource *context; 481 struct ttm_buffer_object *otable_bo; 482 }; 483 484 enum { 485 VMW_IRQTHREAD_FENCE, 486 VMW_IRQTHREAD_CMDBUF, 487 VMW_IRQTHREAD_MAX 488 }; 489 490 /** 491 * enum vmw_sm_type - Graphics context capability supported by device. 492 * @VMW_SM_LEGACY: Pre DX context. 493 * @VMW_SM_4: Context support upto SM4. 494 * @VMW_SM_4_1: Context support upto SM4_1. 495 * @VMW_SM_5: Context support up to SM5. 496 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 497 * @VMW_SM_MAX: Should be the last. 498 */ 499 enum vmw_sm_type { 500 VMW_SM_LEGACY = 0, 501 VMW_SM_4, 502 VMW_SM_4_1, 503 VMW_SM_5, 504 VMW_SM_5_1X, 505 VMW_SM_MAX 506 }; 507 508 struct vmw_private { 509 struct drm_device drm; 510 struct ttm_device bdev; 511 512 struct drm_vma_offset_manager vma_manager; 513 u32 pci_id; 514 resource_size_t io_start; 515 resource_size_t vram_start; 516 resource_size_t vram_size; 517 resource_size_t max_primary_mem; 518 u32 __iomem *rmmio; 519 u32 *fifo_mem; 520 resource_size_t fifo_mem_size; 521 uint32_t fb_max_width; 522 uint32_t fb_max_height; 523 uint32_t texture_max_width; 524 uint32_t texture_max_height; 525 uint32_t stdu_max_width; 526 uint32_t stdu_max_height; 527 uint32_t initial_width; 528 uint32_t initial_height; 529 uint32_t capabilities; 530 uint32_t capabilities2; 531 uint32_t max_gmr_ids; 532 uint32_t max_gmr_pages; 533 uint32_t max_mob_pages; 534 uint32_t max_mob_size; 535 uint32_t memory_size; 536 bool has_gmr; 537 bool has_mob; 538 spinlock_t hw_lock; 539 bool assume_16bpp; 540 u32 irqs[VMWGFX_MAX_NUM_IRQS]; 541 u32 num_irq_vectors; 542 543 enum vmw_sm_type sm_type; 544 545 /* 546 * Framebuffer info. 547 */ 548 549 void *fb_info; 550 enum vmw_display_unit_type active_display_unit; 551 struct vmw_legacy_display *ldu_priv; 552 struct vmw_overlay *overlay_priv; 553 struct drm_property *hotplug_mode_update_property; 554 struct drm_property *implicit_placement_property; 555 spinlock_t cursor_lock; 556 struct drm_atomic_state *suspend_state; 557 558 /* 559 * Context and surface management. 560 */ 561 562 spinlock_t resource_lock; 563 struct idr res_idr[vmw_res_max]; 564 565 /* 566 * A resource manager for kernel-only surfaces and 567 * contexts. 568 */ 569 570 struct ttm_object_device *tdev; 571 572 /* 573 * Fencing and IRQs. 574 */ 575 576 atomic_t marker_seq; 577 wait_queue_head_t fence_queue; 578 wait_queue_head_t fifo_queue; 579 spinlock_t waiter_lock; 580 int fence_queue_waiters; /* Protected by waiter_lock */ 581 int goal_queue_waiters; /* Protected by waiter_lock */ 582 int cmdbuf_waiters; /* Protected by waiter_lock */ 583 int error_waiters; /* Protected by waiter_lock */ 584 int fifo_queue_waiters; /* Protected by waiter_lock */ 585 uint32_t last_read_seqno; 586 struct vmw_fence_manager *fman; 587 uint32_t irq_mask; /* Updates protected by waiter_lock */ 588 589 /* 590 * Device state 591 */ 592 593 uint32_t traces_state; 594 uint32_t enable_state; 595 uint32_t config_done_state; 596 597 /** 598 * Execbuf 599 */ 600 /** 601 * Protected by the cmdbuf mutex. 602 */ 603 604 struct vmw_sw_context ctx; 605 struct mutex cmdbuf_mutex; 606 struct mutex binding_mutex; 607 608 bool enable_fb; 609 610 /** 611 * PM management. 612 */ 613 struct notifier_block pm_nb; 614 bool refuse_hibernation; 615 bool suspend_locked; 616 617 atomic_t num_fifo_resources; 618 619 /* 620 * Query processing. These members 621 * are protected by the cmdbuf mutex. 622 */ 623 624 struct vmw_buffer_object *dummy_query_bo; 625 struct vmw_buffer_object *pinned_bo; 626 uint32_t query_cid; 627 uint32_t query_cid_valid; 628 bool dummy_query_bo_pinned; 629 630 /* 631 * Surface swapping. The "surface_lru" list is protected by the 632 * resource lock in order to be able to destroy a surface and take 633 * it off the lru atomically. "used_memory_size" is currently 634 * protected by the cmdbuf mutex for simplicity. 635 */ 636 637 struct list_head res_lru[vmw_res_max]; 638 uint32_t used_memory_size; 639 640 /* 641 * DMA mapping stuff. 642 */ 643 enum vmw_dma_map_mode map_mode; 644 645 /* 646 * Guest Backed stuff 647 */ 648 struct vmw_otable_batch otable_batch; 649 650 struct vmw_fifo_state *fifo; 651 struct vmw_cmdbuf_man *cman; 652 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 653 654 uint32 *devcaps; 655 656 /* 657 * mksGuestStat instance-descriptor and pid arrays 658 */ 659 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 660 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 661 662 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 663 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 664 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 665 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 666 #endif 667 }; 668 669 static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj) 670 { 671 return container_of((gobj), struct vmw_buffer_object, base.base); 672 } 673 674 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 675 { 676 return container_of(res, struct vmw_surface, res); 677 } 678 679 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 680 { 681 return (struct vmw_private *)dev->dev_private; 682 } 683 684 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 685 { 686 return (struct vmw_fpriv *)file_priv->driver_priv; 687 } 688 689 /* 690 * SVGA v3 has mmio register access and lacks fifo cmds 691 */ 692 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 693 { 694 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 695 } 696 697 /* 698 * The locking here is fine-grained, so that it is performed once 699 * for every read- and write operation. This is of course costly, but we 700 * don't perform much register access in the timing critical paths anyway. 701 * Instead we have the extra benefit of being sure that we don't forget 702 * the hw lock around register accesses. 703 */ 704 static inline void vmw_write(struct vmw_private *dev_priv, 705 unsigned int offset, uint32_t value) 706 { 707 if (vmw_is_svga_v3(dev_priv)) { 708 iowrite32(value, dev_priv->rmmio + offset); 709 } else { 710 spin_lock(&dev_priv->hw_lock); 711 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 712 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 713 spin_unlock(&dev_priv->hw_lock); 714 } 715 } 716 717 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 718 unsigned int offset) 719 { 720 u32 val; 721 722 if (vmw_is_svga_v3(dev_priv)) { 723 val = ioread32(dev_priv->rmmio + offset); 724 } else { 725 spin_lock(&dev_priv->hw_lock); 726 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 727 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 728 spin_unlock(&dev_priv->hw_lock); 729 } 730 731 return val; 732 } 733 734 /** 735 * has_sm4_context - Does the device support SM4 context. 736 * @dev_priv: Device private. 737 * 738 * Return: Bool value if device support SM4 context or not. 739 */ 740 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 741 { 742 return (dev_priv->sm_type >= VMW_SM_4); 743 } 744 745 /** 746 * has_sm4_1_context - Does the device support SM4_1 context. 747 * @dev_priv: Device private. 748 * 749 * Return: Bool value if device support SM4_1 context or not. 750 */ 751 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 752 { 753 return (dev_priv->sm_type >= VMW_SM_4_1); 754 } 755 756 /** 757 * has_sm5_context - Does the device support SM5 context. 758 * @dev_priv: Device private. 759 * 760 * Return: Bool value if device support SM5 context or not. 761 */ 762 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 763 { 764 return (dev_priv->sm_type >= VMW_SM_5); 765 } 766 767 /** 768 * has_gl43_context - Does the device support GL43 context. 769 * @dev_priv: Device private. 770 * 771 * Return: Bool value if device support SM5 context or not. 772 */ 773 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 774 { 775 return (dev_priv->sm_type >= VMW_SM_5_1X); 776 } 777 778 779 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 780 { 781 return (has_gl43_context(dev_priv) ? 782 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 783 } 784 785 extern void vmw_svga_enable(struct vmw_private *dev_priv); 786 extern void vmw_svga_disable(struct vmw_private *dev_priv); 787 788 789 /** 790 * GMR utilities - vmwgfx_gmr.c 791 */ 792 793 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 794 const struct vmw_sg_table *vsgt, 795 unsigned long num_pages, 796 int gmr_id); 797 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 798 799 /** 800 * Resource utilities - vmwgfx_resource.c 801 */ 802 struct vmw_user_resource_conv; 803 804 extern void vmw_resource_unreference(struct vmw_resource **p_res); 805 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 806 extern struct vmw_resource * 807 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 808 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 809 bool dirtying); 810 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 811 bool no_backup); 812 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 813 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 814 struct drm_file *filp, 815 uint32_t handle, 816 struct vmw_surface **out_surf, 817 struct vmw_buffer_object **out_buf); 818 extern int vmw_user_resource_lookup_handle( 819 struct vmw_private *dev_priv, 820 struct ttm_object_file *tfile, 821 uint32_t handle, 822 const struct vmw_user_resource_conv *converter, 823 struct vmw_resource **p_res); 824 extern struct vmw_resource * 825 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 826 struct ttm_object_file *tfile, 827 uint32_t handle, 828 const struct vmw_user_resource_conv * 829 converter); 830 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 831 struct drm_file *file_priv); 832 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 833 struct drm_file *file_priv); 834 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 835 struct ttm_object_file *tfile, 836 uint32_t *inout_id, 837 struct vmw_resource **out); 838 extern void vmw_resource_unreserve(struct vmw_resource *res, 839 bool dirty_set, 840 bool dirty, 841 bool switch_backup, 842 struct vmw_buffer_object *new_backup, 843 unsigned long new_backup_offset); 844 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 845 struct ttm_resource *old_mem, 846 struct ttm_resource *new_mem); 847 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 848 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 849 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 850 void vmw_resource_mob_attach(struct vmw_resource *res); 851 void vmw_resource_mob_detach(struct vmw_resource *res); 852 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 853 pgoff_t end); 854 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 855 pgoff_t end, pgoff_t *num_prefault); 856 857 /** 858 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 859 * @res: The resource 860 * 861 * Return: true if the resource has a mob attached, false otherwise. 862 */ 863 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 864 { 865 return !RB_EMPTY_NODE(&res->mob_node); 866 } 867 868 /** 869 * vmw_user_resource_noref_release - release a user resource pointer looked up 870 * without reference 871 */ 872 static inline void vmw_user_resource_noref_release(void) 873 { 874 ttm_base_object_noref_release(); 875 } 876 877 /** 878 * Buffer object helper functions - vmwgfx_bo.c 879 */ 880 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 881 struct vmw_buffer_object *bo, 882 struct ttm_placement *placement, 883 bool interruptible); 884 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 885 struct vmw_buffer_object *buf, 886 bool interruptible); 887 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 888 struct vmw_buffer_object *buf, 889 bool interruptible); 890 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 891 struct vmw_buffer_object *bo, 892 bool interruptible); 893 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 894 struct vmw_buffer_object *bo, 895 bool interruptible); 896 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 897 SVGAGuestPtr *ptr); 898 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 899 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 900 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 901 unsigned long size, 902 struct ttm_placement *placement, 903 struct ttm_buffer_object **p_bo); 904 extern int vmw_bo_create(struct vmw_private *dev_priv, 905 size_t size, struct ttm_placement *placement, 906 bool interruptible, bool pin, 907 void (*bo_free)(struct ttm_buffer_object *bo), 908 struct vmw_buffer_object **p_bo); 909 extern int vmw_bo_init(struct vmw_private *dev_priv, 910 struct vmw_buffer_object *vmw_bo, 911 size_t size, struct ttm_placement *placement, 912 bool interruptible, bool pin, 913 void (*bo_free)(struct ttm_buffer_object *bo)); 914 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 915 struct drm_file *file_priv); 916 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 917 struct drm_file *file_priv); 918 extern int vmw_user_bo_lookup(struct drm_file *filp, 919 uint32_t handle, 920 struct vmw_buffer_object **out); 921 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 922 struct vmw_fence_obj *fence); 923 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 924 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 925 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 926 struct ttm_resource *mem); 927 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 928 extern struct vmw_buffer_object * 929 vmw_user_bo_noref_lookup(struct drm_file *filp, u32 handle); 930 931 /** 932 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 933 * according to attached resources 934 * @vbo: The struct vmw_buffer_object 935 */ 936 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 937 { 938 int i = ARRAY_SIZE(vbo->res_prios); 939 940 while (i--) { 941 if (vbo->res_prios[i]) { 942 vbo->base.priority = i; 943 return; 944 } 945 } 946 947 vbo->base.priority = 3; 948 } 949 950 /** 951 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 952 * eviction priority 953 * @vbo: The struct vmw_buffer_object 954 * @prio: The resource priority 955 * 956 * After being notified, the code assigns the highest resource eviction priority 957 * to the backing buffer object (mob). 958 */ 959 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 960 { 961 if (vbo->res_prios[prio]++ == 0) 962 vmw_bo_prio_adjust(vbo); 963 } 964 965 /** 966 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 967 * priority being removed 968 * @vbo: The struct vmw_buffer_object 969 * @prio: The resource priority 970 * 971 * After being notified, the code assigns the highest resource eviction priority 972 * to the backing buffer object (mob). 973 */ 974 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 975 { 976 if (--vbo->res_prios[prio] == 0) 977 vmw_bo_prio_adjust(vbo); 978 } 979 980 /** 981 * GEM related functionality - vmwgfx_gem.c 982 */ 983 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 984 struct drm_file *filp, 985 uint32_t size, 986 uint32_t *handle, 987 struct vmw_buffer_object **p_vbo); 988 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 989 struct drm_file *filp); 990 extern void vmw_gem_destroy(struct ttm_buffer_object *bo); 991 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 992 993 /** 994 * Misc Ioctl functionality - vmwgfx_ioctl.c 995 */ 996 997 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 998 struct drm_file *file_priv); 999 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 1000 struct drm_file *file_priv); 1001 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 1002 struct drm_file *file_priv); 1003 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 1004 struct drm_file *file_priv); 1005 1006 /** 1007 * Fifo utilities - vmwgfx_fifo.c 1008 */ 1009 1010 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 1011 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 1012 extern bool vmw_cmd_supported(struct vmw_private *vmw); 1013 extern void * 1014 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 1015 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 1016 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 1017 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 1018 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 1019 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 1020 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 1021 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 1022 uint32_t cid); 1023 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 1024 bool interruptible); 1025 1026 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 1027 ({ \ 1028 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 1029 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 1030 __func__, (unsigned int) __bytes); \ 1031 NULL; \ 1032 }); \ 1033 }) 1034 1035 #define VMW_CMD_RESERVE(__priv, __bytes) \ 1036 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 1037 1038 1039 /** 1040 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1041 * queue or 0 if fifo memory isn't present. 1042 * @dev_priv: The device private context 1043 */ 1044 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1045 { 1046 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1047 return 0; 1048 return dev_priv->fifo->capabilities; 1049 } 1050 1051 1052 /** 1053 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1054 * is enabled in the FIFO. 1055 * @dev_priv: The device private context 1056 */ 1057 static inline bool 1058 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1059 { 1060 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1061 } 1062 1063 /** 1064 * TTM glue - vmwgfx_ttm_glue.c 1065 */ 1066 1067 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1068 1069 /** 1070 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1071 */ 1072 1073 extern const size_t vmw_tt_size; 1074 extern struct ttm_placement vmw_vram_placement; 1075 extern struct ttm_placement vmw_vram_sys_placement; 1076 extern struct ttm_placement vmw_vram_gmr_placement; 1077 extern struct ttm_placement vmw_sys_placement; 1078 extern struct ttm_placement vmw_srf_placement; 1079 extern struct ttm_placement vmw_mob_placement; 1080 extern struct ttm_placement vmw_nonfixed_placement; 1081 extern struct ttm_device_funcs vmw_bo_driver; 1082 extern const struct vmw_sg_table * 1083 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1084 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1085 unsigned long bo_size, 1086 struct ttm_buffer_object **bo_p); 1087 1088 extern void vmw_piter_start(struct vmw_piter *viter, 1089 const struct vmw_sg_table *vsgt, 1090 unsigned long p_offs); 1091 1092 /** 1093 * vmw_piter_next - Advance the iterator one page. 1094 * 1095 * @viter: Pointer to the iterator to advance. 1096 * 1097 * Returns false if past the list of pages, true otherwise. 1098 */ 1099 static inline bool vmw_piter_next(struct vmw_piter *viter) 1100 { 1101 return viter->next(viter); 1102 } 1103 1104 /** 1105 * vmw_piter_dma_addr - Return the DMA address of the current page. 1106 * 1107 * @viter: Pointer to the iterator 1108 * 1109 * Returns the DMA address of the page pointed to by @viter. 1110 */ 1111 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1112 { 1113 return viter->dma_address(viter); 1114 } 1115 1116 /** 1117 * vmw_piter_page - Return a pointer to the current page. 1118 * 1119 * @viter: Pointer to the iterator 1120 * 1121 * Returns the DMA address of the page pointed to by @viter. 1122 */ 1123 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1124 { 1125 return viter->pages[viter->i]; 1126 } 1127 1128 /** 1129 * Command submission - vmwgfx_execbuf.c 1130 */ 1131 1132 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1133 struct drm_file *file_priv); 1134 extern int vmw_execbuf_process(struct drm_file *file_priv, 1135 struct vmw_private *dev_priv, 1136 void __user *user_commands, 1137 void *kernel_commands, 1138 uint32_t command_size, 1139 uint64_t throttle_us, 1140 uint32_t dx_context_handle, 1141 struct drm_vmw_fence_rep __user 1142 *user_fence_rep, 1143 struct vmw_fence_obj **out_fence, 1144 uint32_t flags); 1145 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1146 struct vmw_fence_obj *fence); 1147 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1148 1149 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1150 struct vmw_private *dev_priv, 1151 struct vmw_fence_obj **p_fence, 1152 uint32_t *p_handle); 1153 extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1154 struct vmw_fpriv *vmw_fp, 1155 int ret, 1156 struct drm_vmw_fence_rep __user 1157 *user_fence_rep, 1158 struct vmw_fence_obj *fence, 1159 uint32_t fence_handle, 1160 int32_t out_fence_fd); 1161 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1162 1163 /** 1164 * IRQs and wating - vmwgfx_irq.c 1165 */ 1166 1167 extern int vmw_irq_install(struct vmw_private *dev_priv); 1168 extern void vmw_irq_uninstall(struct drm_device *dev); 1169 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1170 uint32_t seqno); 1171 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1172 bool lazy, 1173 bool fifo_idle, 1174 uint32_t seqno, 1175 bool interruptible, 1176 unsigned long timeout); 1177 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1178 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1179 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1180 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1181 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1182 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1183 int *waiter_count); 1184 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1185 u32 flag, int *waiter_count); 1186 1187 1188 /** 1189 * Kernel framebuffer - vmwgfx_fb.c 1190 */ 1191 1192 #ifdef CONFIG_DRM_FBDEV_EMULATION 1193 int vmw_fb_init(struct vmw_private *vmw_priv); 1194 int vmw_fb_close(struct vmw_private *dev_priv); 1195 int vmw_fb_off(struct vmw_private *vmw_priv); 1196 int vmw_fb_on(struct vmw_private *vmw_priv); 1197 #else 1198 static inline int vmw_fb_init(struct vmw_private *vmw_priv) 1199 { 1200 return 0; 1201 } 1202 static inline int vmw_fb_close(struct vmw_private *dev_priv) 1203 { 1204 return 0; 1205 } 1206 static inline int vmw_fb_off(struct vmw_private *vmw_priv) 1207 { 1208 return 0; 1209 } 1210 static inline int vmw_fb_on(struct vmw_private *vmw_priv) 1211 { 1212 return 0; 1213 } 1214 #endif 1215 1216 /** 1217 * Kernel modesetting - vmwgfx_kms.c 1218 */ 1219 1220 int vmw_kms_init(struct vmw_private *dev_priv); 1221 int vmw_kms_close(struct vmw_private *dev_priv); 1222 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1223 struct drm_file *file_priv); 1224 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1225 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1226 struct ttm_object_file *tfile, 1227 struct ttm_buffer_object *bo, 1228 SVGA3dCmdHeader *header); 1229 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1230 unsigned width, unsigned height, unsigned pitch, 1231 unsigned bpp, unsigned depth); 1232 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1233 uint32_t pitch, 1234 uint32_t height); 1235 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1236 int vmw_enable_vblank(struct drm_crtc *crtc); 1237 void vmw_disable_vblank(struct drm_crtc *crtc); 1238 int vmw_kms_present(struct vmw_private *dev_priv, 1239 struct drm_file *file_priv, 1240 struct vmw_framebuffer *vfb, 1241 struct vmw_surface *surface, 1242 uint32_t sid, int32_t destX, int32_t destY, 1243 struct drm_vmw_rect *clips, 1244 uint32_t num_clips); 1245 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1246 struct drm_file *file_priv); 1247 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1248 int vmw_kms_suspend(struct drm_device *dev); 1249 int vmw_kms_resume(struct drm_device *dev); 1250 void vmw_kms_lost_device(struct drm_device *dev); 1251 1252 int vmw_dumb_create(struct drm_file *file_priv, 1253 struct drm_device *dev, 1254 struct drm_mode_create_dumb *args); 1255 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1256 extern void vmw_resource_unpin(struct vmw_resource *res); 1257 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1258 1259 /** 1260 * Overlay control - vmwgfx_overlay.c 1261 */ 1262 1263 int vmw_overlay_init(struct vmw_private *dev_priv); 1264 int vmw_overlay_close(struct vmw_private *dev_priv); 1265 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1266 struct drm_file *file_priv); 1267 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1268 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1269 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1270 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1271 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1272 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1273 1274 /** 1275 * GMR Id manager 1276 */ 1277 1278 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1279 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1280 1281 /** 1282 * System memory manager 1283 */ 1284 int vmw_sys_man_init(struct vmw_private *dev_priv); 1285 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1286 1287 /** 1288 * Prime - vmwgfx_prime.c 1289 */ 1290 1291 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1292 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1293 struct drm_file *file_priv, 1294 int fd, u32 *handle); 1295 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1296 struct drm_file *file_priv, 1297 uint32_t handle, uint32_t flags, 1298 int *prime_fd); 1299 1300 /* 1301 * MemoryOBject management - vmwgfx_mob.c 1302 */ 1303 struct vmw_mob; 1304 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1305 const struct vmw_sg_table *vsgt, 1306 unsigned long num_data_pages, int32_t mob_id); 1307 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1308 struct vmw_mob *mob); 1309 extern void vmw_mob_destroy(struct vmw_mob *mob); 1310 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1311 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1312 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1313 1314 /* 1315 * Context management - vmwgfx_context.c 1316 */ 1317 1318 extern const struct vmw_user_resource_conv *user_context_converter; 1319 1320 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1321 struct drm_file *file_priv); 1322 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1323 struct drm_file *file_priv); 1324 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1325 struct drm_file *file_priv); 1326 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1327 extern struct vmw_cmdbuf_res_manager * 1328 vmw_context_res_man(struct vmw_resource *ctx); 1329 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1330 SVGACOTableType cotable_type); 1331 struct vmw_ctx_binding_state; 1332 extern struct vmw_ctx_binding_state * 1333 vmw_context_binding_state(struct vmw_resource *ctx); 1334 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1335 bool readback); 1336 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1337 struct vmw_buffer_object *mob); 1338 extern struct vmw_buffer_object * 1339 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1340 1341 1342 /* 1343 * Surface management - vmwgfx_surface.c 1344 */ 1345 1346 extern const struct vmw_user_resource_conv *user_surface_converter; 1347 1348 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1349 struct drm_file *file_priv); 1350 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1351 struct drm_file *file_priv); 1352 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1353 struct drm_file *file_priv); 1354 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1355 struct drm_file *file_priv); 1356 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1357 struct drm_file *file_priv); 1358 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1359 void *data, 1360 struct drm_file *file_priv); 1361 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1362 void *data, 1363 struct drm_file *file_priv); 1364 1365 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1366 const struct vmw_surface_metadata *req, 1367 struct vmw_surface **srf_out); 1368 1369 /* 1370 * Shader management - vmwgfx_shader.c 1371 */ 1372 1373 extern const struct vmw_user_resource_conv *user_shader_converter; 1374 1375 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1376 struct drm_file *file_priv); 1377 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1378 struct drm_file *file_priv); 1379 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1380 struct vmw_cmdbuf_res_manager *man, 1381 u32 user_key, const void *bytecode, 1382 SVGA3dShaderType shader_type, 1383 size_t size, 1384 struct list_head *list); 1385 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1386 u32 user_key, SVGA3dShaderType shader_type, 1387 struct list_head *list); 1388 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1389 struct vmw_resource *ctx, 1390 u32 user_key, 1391 SVGA3dShaderType shader_type, 1392 struct list_head *list); 1393 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1394 struct list_head *list, 1395 bool readback); 1396 1397 extern struct vmw_resource * 1398 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1399 u32 user_key, SVGA3dShaderType shader_type); 1400 1401 /* 1402 * Streamoutput management 1403 */ 1404 struct vmw_resource * 1405 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1406 u32 user_key); 1407 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1408 struct vmw_resource *ctx, 1409 SVGA3dStreamOutputId user_key, 1410 struct list_head *list); 1411 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1412 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1413 SVGA3dStreamOutputId user_key, 1414 struct list_head *list); 1415 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1416 struct list_head *list, 1417 bool readback); 1418 1419 /* 1420 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1421 */ 1422 1423 extern struct vmw_cmdbuf_res_manager * 1424 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1425 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1426 extern struct vmw_resource * 1427 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1428 enum vmw_cmdbuf_res_type res_type, 1429 u32 user_key); 1430 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1431 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1432 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1433 enum vmw_cmdbuf_res_type res_type, 1434 u32 user_key, 1435 struct vmw_resource *res, 1436 struct list_head *list); 1437 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1438 enum vmw_cmdbuf_res_type res_type, 1439 u32 user_key, 1440 struct list_head *list, 1441 struct vmw_resource **res); 1442 1443 /* 1444 * COTable management - vmwgfx_cotable.c 1445 */ 1446 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1447 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1448 struct vmw_resource *ctx, 1449 u32 type); 1450 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1451 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1452 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1453 struct list_head *head); 1454 1455 /* 1456 * Command buffer managerment vmwgfx_cmdbuf.c 1457 */ 1458 struct vmw_cmdbuf_man; 1459 struct vmw_cmdbuf_header; 1460 1461 extern struct vmw_cmdbuf_man * 1462 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1463 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1464 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1465 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1466 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1467 unsigned long timeout); 1468 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1469 int ctx_id, bool interruptible, 1470 struct vmw_cmdbuf_header *header); 1471 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1472 struct vmw_cmdbuf_header *header, 1473 bool flush); 1474 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1475 size_t size, bool interruptible, 1476 struct vmw_cmdbuf_header **p_header); 1477 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1478 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1479 bool interruptible); 1480 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1481 1482 /* CPU blit utilities - vmwgfx_blit.c */ 1483 1484 /** 1485 * struct vmw_diff_cpy - CPU blit information structure 1486 * 1487 * @rect: The output bounding box rectangle. 1488 * @line: The current line of the blit. 1489 * @line_offset: Offset of the current line segment. 1490 * @cpp: Bytes per pixel (granularity information). 1491 * @memcpy: Which memcpy function to use. 1492 */ 1493 struct vmw_diff_cpy { 1494 struct drm_rect rect; 1495 size_t line; 1496 size_t line_offset; 1497 int cpp; 1498 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1499 size_t n); 1500 }; 1501 1502 #define VMW_CPU_BLIT_INITIALIZER { \ 1503 .do_cpy = vmw_memcpy, \ 1504 } 1505 1506 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1507 .line = 0, \ 1508 .line_offset = 0, \ 1509 .rect = { .x1 = INT_MAX/2, \ 1510 .y1 = INT_MAX/2, \ 1511 .x2 = INT_MIN/2, \ 1512 .y2 = INT_MIN/2 \ 1513 }, \ 1514 .cpp = _cpp, \ 1515 .do_cpy = vmw_diff_memcpy, \ 1516 } 1517 1518 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1519 size_t n); 1520 1521 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1522 1523 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1524 u32 dst_offset, u32 dst_stride, 1525 struct ttm_buffer_object *src, 1526 u32 src_offset, u32 src_stride, 1527 u32 w, u32 h, 1528 struct vmw_diff_cpy *diff); 1529 1530 /* Host messaging -vmwgfx_msg.c: */ 1531 int vmw_host_get_guestinfo(const char *guest_info_param, 1532 char *buffer, size_t *length); 1533 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1534 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1535 struct drm_file *file_priv); 1536 1537 /* Host mksGuestStats -vmwgfx_msg.c: */ 1538 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1539 1540 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1541 struct drm_file *file_priv); 1542 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1543 struct drm_file *file_priv); 1544 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1545 struct drm_file *file_priv); 1546 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1547 1548 /* VMW logging */ 1549 1550 /** 1551 * VMW_DEBUG_USER - Debug output for user-space debugging. 1552 * 1553 * @fmt: printf() like format string. 1554 * 1555 * This macro is for logging user-space error and debugging messages for e.g. 1556 * command buffer execution errors due to malformed commands, invalid context, 1557 * etc. 1558 */ 1559 #define VMW_DEBUG_USER(fmt, ...) \ 1560 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1561 1562 /* Resource dirtying - vmwgfx_page_dirty.c */ 1563 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1564 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1565 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1566 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1567 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1568 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1569 pgoff_t start, pgoff_t end); 1570 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1571 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1572 1573 1574 /** 1575 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1576 * 1577 * This macro is for debugging vmwgfx mode-setting code. 1578 */ 1579 #define VMW_DEBUG_KMS(fmt, ...) \ 1580 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1581 1582 /** 1583 * Inline helper functions 1584 */ 1585 1586 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1587 { 1588 struct vmw_surface *tmp_srf = *srf; 1589 struct vmw_resource *res = &tmp_srf->res; 1590 *srf = NULL; 1591 1592 vmw_resource_unreference(&res); 1593 } 1594 1595 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1596 { 1597 (void) vmw_resource_reference(&srf->res); 1598 return srf; 1599 } 1600 1601 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1602 { 1603 struct vmw_buffer_object *tmp_buf = *buf; 1604 1605 *buf = NULL; 1606 if (tmp_buf != NULL) 1607 ttm_bo_put(&tmp_buf->base); 1608 } 1609 1610 static inline struct vmw_buffer_object * 1611 vmw_bo_reference(struct vmw_buffer_object *buf) 1612 { 1613 ttm_bo_get(&buf->base); 1614 return buf; 1615 } 1616 1617 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1618 { 1619 atomic_inc(&dev_priv->num_fifo_resources); 1620 } 1621 1622 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1623 { 1624 atomic_dec(&dev_priv->num_fifo_resources); 1625 } 1626 1627 /** 1628 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1629 * 1630 * @fifo_reg: The fifo register to read from 1631 * 1632 * This function is intended to be equivalent to ioread32() on 1633 * memremap'd memory, but without byteswapping. 1634 */ 1635 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1636 { 1637 BUG_ON(vmw_is_svga_v3(vmw)); 1638 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1639 } 1640 1641 /** 1642 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1643 * 1644 * @addr: The fifo register to write to 1645 * 1646 * This function is intended to be equivalent to iowrite32 on 1647 * memremap'd memory, but without byteswapping. 1648 */ 1649 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1650 u32 value) 1651 { 1652 BUG_ON(vmw_is_svga_v3(vmw)); 1653 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1654 } 1655 1656 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1657 { 1658 u32 fence; 1659 if (vmw_is_svga_v3(dev_priv)) 1660 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1661 else 1662 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1663 return fence; 1664 } 1665 1666 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1667 u32 fence) 1668 { 1669 BUG_ON(vmw_is_svga_v3(dev_priv)); 1670 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1671 } 1672 1673 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1674 { 1675 u32 status; 1676 if (vmw_is_svga_v3(vmw)) 1677 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1678 else 1679 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1680 return status; 1681 } 1682 1683 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1684 uint32 status) 1685 { 1686 if (vmw_is_svga_v3(vmw)) 1687 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1688 else 1689 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1690 } 1691 1692 static inline bool vmw_has_fences(struct vmw_private *vmw) 1693 { 1694 if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS | 1695 SVGA_CAP_CMD_BUFFERS_2)) != 0) 1696 return true; 1697 return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0; 1698 } 1699 1700 #endif 1701