1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2021 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_RELOCATIONS 2048 63 #define VMWGFX_MAX_VALIDATIONS 2048 64 #define VMWGFX_MAX_DISPLAYS 16 65 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 66 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 67 68 #define VMWGFX_PCI_ID_SVGA2 0x0405 69 #define VMWGFX_PCI_ID_SVGA3 0x0406 70 71 /* 72 * Perhaps we should have sysfs entries for these. 73 */ 74 #define VMWGFX_NUM_GB_CONTEXT 256 75 #define VMWGFX_NUM_GB_SHADER 20000 76 #define VMWGFX_NUM_GB_SURFACE 32768 77 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 78 #define VMWGFX_NUM_DXCONTEXT 256 79 #define VMWGFX_NUM_DXQUERY 512 80 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 81 VMWGFX_NUM_GB_SHADER +\ 82 VMWGFX_NUM_GB_SURFACE +\ 83 VMWGFX_NUM_GB_SCREEN_TARGET) 84 85 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 86 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 87 #define VMW_PL_SYSTEM (TTM_PL_PRIV + 2) 88 89 #define VMW_RES_CONTEXT ttm_driver_type0 90 #define VMW_RES_SURFACE ttm_driver_type1 91 #define VMW_RES_STREAM ttm_driver_type2 92 #define VMW_RES_FENCE ttm_driver_type3 93 #define VMW_RES_SHADER ttm_driver_type4 94 95 #define MKSSTAT_CAPACITY_LOG2 5U 96 #define MKSSTAT_CAPACITY (1U << MKSSTAT_CAPACITY_LOG2) 97 98 struct vmw_fpriv { 99 struct ttm_object_file *tfile; 100 bool gb_aware; /* user-space is guest-backed aware */ 101 }; 102 103 /** 104 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 105 * @base: The TTM buffer object 106 * @res_tree: RB tree of resources using this buffer object as a backing MOB 107 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 108 * increased. May be decreased without reservation. 109 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 110 * @map: Kmap object for semi-persistent mappings 111 * @res_prios: Eviction priority counts for attached resources 112 * @dirty: structure for user-space dirty-tracking 113 */ 114 struct vmw_buffer_object { 115 struct ttm_buffer_object base; 116 struct rb_root res_tree; 117 atomic_t cpu_writers; 118 /* Not ref-counted. Protected by binding_mutex */ 119 struct vmw_resource *dx_query_ctx; 120 /* Protected by reservation */ 121 struct ttm_bo_kmap_obj map; 122 u32 res_prios[TTM_MAX_BO_PRIORITY]; 123 struct vmw_bo_dirty *dirty; 124 }; 125 126 /** 127 * struct vmw_validate_buffer - Carries validation info about buffers. 128 * 129 * @base: Validation info for TTM. 130 * @hash: Hash entry for quick lookup of the TTM buffer object. 131 * 132 * This structure contains also driver private validation info 133 * on top of the info needed by TTM. 134 */ 135 struct vmw_validate_buffer { 136 struct ttm_validate_buffer base; 137 struct vmwgfx_hash_item hash; 138 bool validate_as_mob; 139 }; 140 141 struct vmw_res_func; 142 143 144 /** 145 * struct vmw-resource - base class for hardware resources 146 * 147 * @kref: For refcounting. 148 * @dev_priv: Pointer to the device private for this resource. Immutable. 149 * @id: Device id. Protected by @dev_priv::resource_lock. 150 * @backup_size: Backup buffer size. Immutable. 151 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 152 * by resource reserved. 153 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 154 * Protected by resource reserved. 155 * @coherent: Emulate coherency by tracking vm accesses. 156 * @backup: The backup buffer if any. Protected by resource reserved. 157 * @backup_offset: Offset into the backup buffer if any. Protected by resource 158 * reserved. Note that only a few resource types can have a @backup_offset 159 * different from zero. 160 * @pin_count: The pin count for this resource. A pinned resource has a 161 * pin-count greater than zero. It is not on the resource LRU lists and its 162 * backup buffer is pinned. Hence it can't be evicted. 163 * @func: Method vtable for this resource. Immutable. 164 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 165 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 166 * @binding_head: List head for the context binding list. Protected by 167 * the @dev_priv::binding_mutex 168 * @res_free: The resource destructor. 169 * @hw_destroy: Callback to destroy the resource on the device, as part of 170 * resource destruction. 171 */ 172 struct vmw_resource_dirty; 173 struct vmw_resource { 174 struct kref kref; 175 struct vmw_private *dev_priv; 176 int id; 177 u32 used_prio; 178 unsigned long backup_size; 179 u32 res_dirty : 1; 180 u32 backup_dirty : 1; 181 u32 coherent : 1; 182 struct vmw_buffer_object *backup; 183 unsigned long backup_offset; 184 unsigned long pin_count; 185 const struct vmw_res_func *func; 186 struct rb_node mob_node; 187 struct list_head lru_head; 188 struct list_head binding_head; 189 struct vmw_resource_dirty *dirty; 190 void (*res_free) (struct vmw_resource *res); 191 void (*hw_destroy) (struct vmw_resource *res); 192 }; 193 194 195 /* 196 * Resources that are managed using ioctls. 197 */ 198 enum vmw_res_type { 199 vmw_res_context, 200 vmw_res_surface, 201 vmw_res_stream, 202 vmw_res_shader, 203 vmw_res_dx_context, 204 vmw_res_cotable, 205 vmw_res_view, 206 vmw_res_streamoutput, 207 vmw_res_max 208 }; 209 210 /* 211 * Resources that are managed using command streams. 212 */ 213 enum vmw_cmdbuf_res_type { 214 vmw_cmdbuf_res_shader, 215 vmw_cmdbuf_res_view, 216 vmw_cmdbuf_res_streamoutput 217 }; 218 219 struct vmw_cmdbuf_res_manager; 220 221 struct vmw_cursor_snooper { 222 size_t age; 223 uint32_t *image; 224 }; 225 226 struct vmw_framebuffer; 227 struct vmw_surface_offset; 228 229 /** 230 * struct vmw_surface_metadata - Metadata describing a surface. 231 * 232 * @flags: Device flags. 233 * @format: Surface SVGA3D_x format. 234 * @mip_levels: Mip level for each face. For GB first index is used only. 235 * @multisample_count: Sample count. 236 * @multisample_pattern: Sample patterns. 237 * @quality_level: Quality level. 238 * @autogen_filter: Filter for automatically generated mipmaps. 239 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 240 texture number of faces * array_size. This should be 0 for pre 241 SM4 device. 242 * @buffer_byte_stride: Buffer byte stride. 243 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 244 * @base_size: Surface dimension. 245 * @sizes: Array representing mip sizes. Legacy only. 246 * @scanout: Whether this surface will be used for scanout. 247 * 248 * This tracks metadata for both legacy and guest backed surface. 249 */ 250 struct vmw_surface_metadata { 251 u64 flags; 252 u32 format; 253 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 254 u32 multisample_count; 255 u32 multisample_pattern; 256 u32 quality_level; 257 u32 autogen_filter; 258 u32 array_size; 259 u32 num_sizes; 260 u32 buffer_byte_stride; 261 struct drm_vmw_size base_size; 262 struct drm_vmw_size *sizes; 263 bool scanout; 264 }; 265 266 /** 267 * struct vmw_surface: Resource structure for a surface. 268 * 269 * @res: The base resource for this surface. 270 * @metadata: Metadata for this surface resource. 271 * @snooper: Cursor data. Legacy surface only. 272 * @offsets: Legacy surface only. 273 * @view_list: List of views bound to this surface. 274 */ 275 struct vmw_surface { 276 struct vmw_resource res; 277 struct vmw_surface_metadata metadata; 278 struct vmw_cursor_snooper snooper; 279 struct vmw_surface_offset *offsets; 280 struct list_head view_list; 281 }; 282 283 struct vmw_fifo_state { 284 unsigned long reserved_size; 285 u32 *dynamic_buffer; 286 u32 *static_buffer; 287 unsigned long static_buffer_size; 288 bool using_bounce_buffer; 289 uint32_t capabilities; 290 struct mutex fifo_mutex; 291 struct rw_semaphore rwsem; 292 }; 293 294 /** 295 * struct vmw_res_cache_entry - resource information cache entry 296 * @handle: User-space handle of a resource. 297 * @res: Non-ref-counted pointer to the resource. 298 * @valid_handle: Whether the @handle member is valid. 299 * @valid: Whether the entry is valid, which also implies that the execbuf 300 * code holds a reference to the resource, and it's placed on the 301 * validation list. 302 * 303 * Used to avoid frequent repeated user-space handle lookups of the 304 * same resource. 305 */ 306 struct vmw_res_cache_entry { 307 uint32_t handle; 308 struct vmw_resource *res; 309 void *private; 310 unsigned short valid_handle; 311 unsigned short valid; 312 }; 313 314 /** 315 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 316 */ 317 enum vmw_dma_map_mode { 318 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 319 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 320 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 321 vmw_dma_map_max 322 }; 323 324 /** 325 * struct vmw_sg_table - Scatter/gather table for binding, with additional 326 * device-specific information. 327 * 328 * @sgt: Pointer to a struct sg_table with binding information 329 * @num_regions: Number of regions with device-address contiguous pages 330 */ 331 struct vmw_sg_table { 332 enum vmw_dma_map_mode mode; 333 struct page **pages; 334 const dma_addr_t *addrs; 335 struct sg_table *sgt; 336 unsigned long num_pages; 337 }; 338 339 /** 340 * struct vmw_piter - Page iterator that iterates over a list of pages 341 * and DMA addresses that could be either a scatter-gather list or 342 * arrays 343 * 344 * @pages: Array of page pointers to the pages. 345 * @addrs: DMA addresses to the pages if coherent pages are used. 346 * @iter: Scatter-gather page iterator. Current position in SG list. 347 * @i: Current position in arrays. 348 * @num_pages: Number of pages total. 349 * @next: Function to advance the iterator. Returns false if past the list 350 * of pages, true otherwise. 351 * @dma_address: Function to return the DMA address of the current page. 352 */ 353 struct vmw_piter { 354 struct page **pages; 355 const dma_addr_t *addrs; 356 struct sg_dma_page_iter iter; 357 unsigned long i; 358 unsigned long num_pages; 359 bool (*next)(struct vmw_piter *); 360 dma_addr_t (*dma_address)(struct vmw_piter *); 361 }; 362 363 364 struct vmw_ttm_tt { 365 struct ttm_tt dma_ttm; 366 struct vmw_private *dev_priv; 367 int gmr_id; 368 struct vmw_mob *mob; 369 int mem_type; 370 struct sg_table sgt; 371 struct vmw_sg_table vsgt; 372 bool mapped; 373 bool bound; 374 }; 375 376 /* 377 * enum vmw_display_unit_type - Describes the display unit 378 */ 379 enum vmw_display_unit_type { 380 vmw_du_invalid = 0, 381 vmw_du_legacy, 382 vmw_du_screen_object, 383 vmw_du_screen_target, 384 vmw_du_max 385 }; 386 387 struct vmw_validation_context; 388 struct vmw_ctx_validation_info; 389 390 /** 391 * struct vmw_sw_context - Command submission context 392 * @res_ht: Pointer hash table used to find validation duplicates 393 * @kernel: Whether the command buffer originates from kernel code rather 394 * than from user-space 395 * @fp: If @kernel is false, points to the file of the client. Otherwise 396 * NULL 397 * @cmd_bounce: Command bounce buffer used for command validation before 398 * copying to fifo space 399 * @cmd_bounce_size: Current command bounce buffer size 400 * @cur_query_bo: Current buffer object used as query result buffer 401 * @bo_relocations: List of buffer object relocations 402 * @res_relocations: List of resource relocations 403 * @buf_start: Pointer to start of memory where command validation takes 404 * place 405 * @res_cache: Cache of recently looked up resources 406 * @last_query_ctx: Last context that submitted a query 407 * @needs_post_query_barrier: Whether a query barrier is needed after 408 * command submission 409 * @staged_bindings: Cached per-context binding tracker 410 * @staged_bindings_inuse: Whether the cached per-context binding tracker 411 * is in use 412 * @staged_cmd_res: List of staged command buffer managed resources in this 413 * command buffer 414 * @ctx_list: List of context resources referenced in this command buffer 415 * @dx_ctx_node: Validation metadata of the current DX context 416 * @dx_query_mob: The MOB used for DX queries 417 * @dx_query_ctx: The DX context used for the last DX query 418 * @man: Pointer to the command buffer managed resource manager 419 * @ctx: The validation context 420 */ 421 struct vmw_sw_context{ 422 struct vmwgfx_open_hash res_ht; 423 bool res_ht_initialized; 424 bool kernel; 425 struct vmw_fpriv *fp; 426 struct drm_file *filp; 427 uint32_t *cmd_bounce; 428 uint32_t cmd_bounce_size; 429 struct vmw_buffer_object *cur_query_bo; 430 struct list_head bo_relocations; 431 struct list_head res_relocations; 432 uint32_t *buf_start; 433 struct vmw_res_cache_entry res_cache[vmw_res_max]; 434 struct vmw_resource *last_query_ctx; 435 bool needs_post_query_barrier; 436 struct vmw_ctx_binding_state *staged_bindings; 437 bool staged_bindings_inuse; 438 struct list_head staged_cmd_res; 439 struct list_head ctx_list; 440 struct vmw_ctx_validation_info *dx_ctx_node; 441 struct vmw_buffer_object *dx_query_mob; 442 struct vmw_resource *dx_query_ctx; 443 struct vmw_cmdbuf_res_manager *man; 444 struct vmw_validation_context *ctx; 445 }; 446 447 struct vmw_legacy_display; 448 struct vmw_overlay; 449 450 struct vmw_vga_topology_state { 451 uint32_t width; 452 uint32_t height; 453 uint32_t primary; 454 uint32_t pos_x; 455 uint32_t pos_y; 456 }; 457 458 459 /* 460 * struct vmw_otable - Guest Memory OBject table metadata 461 * 462 * @size: Size of the table (page-aligned). 463 * @page_table: Pointer to a struct vmw_mob holding the page table. 464 */ 465 struct vmw_otable { 466 unsigned long size; 467 struct vmw_mob *page_table; 468 bool enabled; 469 }; 470 471 struct vmw_otable_batch { 472 unsigned num_otables; 473 struct vmw_otable *otables; 474 struct vmw_resource *context; 475 struct ttm_buffer_object *otable_bo; 476 }; 477 478 enum { 479 VMW_IRQTHREAD_FENCE, 480 VMW_IRQTHREAD_CMDBUF, 481 VMW_IRQTHREAD_MAX 482 }; 483 484 /** 485 * enum vmw_sm_type - Graphics context capability supported by device. 486 * @VMW_SM_LEGACY: Pre DX context. 487 * @VMW_SM_4: Context support upto SM4. 488 * @VMW_SM_4_1: Context support upto SM4_1. 489 * @VMW_SM_5: Context support up to SM5. 490 * @VMW_SM_5_1X: Adds support for sm5_1 and gl43 extensions. 491 * @VMW_SM_MAX: Should be the last. 492 */ 493 enum vmw_sm_type { 494 VMW_SM_LEGACY = 0, 495 VMW_SM_4, 496 VMW_SM_4_1, 497 VMW_SM_5, 498 VMW_SM_5_1X, 499 VMW_SM_MAX 500 }; 501 502 struct vmw_private { 503 struct drm_device drm; 504 struct ttm_device bdev; 505 506 struct drm_vma_offset_manager vma_manager; 507 u32 pci_id; 508 resource_size_t io_start; 509 resource_size_t vram_start; 510 resource_size_t vram_size; 511 resource_size_t max_primary_mem; 512 u32 __iomem *rmmio; 513 u32 *fifo_mem; 514 resource_size_t fifo_mem_size; 515 uint32_t fb_max_width; 516 uint32_t fb_max_height; 517 uint32_t texture_max_width; 518 uint32_t texture_max_height; 519 uint32_t stdu_max_width; 520 uint32_t stdu_max_height; 521 uint32_t initial_width; 522 uint32_t initial_height; 523 uint32_t capabilities; 524 uint32_t capabilities2; 525 uint32_t max_gmr_ids; 526 uint32_t max_gmr_pages; 527 uint32_t max_mob_pages; 528 uint32_t max_mob_size; 529 uint32_t memory_size; 530 bool has_gmr; 531 bool has_mob; 532 spinlock_t hw_lock; 533 bool assume_16bpp; 534 535 enum vmw_sm_type sm_type; 536 537 /* 538 * Framebuffer info. 539 */ 540 541 void *fb_info; 542 enum vmw_display_unit_type active_display_unit; 543 struct vmw_legacy_display *ldu_priv; 544 struct vmw_overlay *overlay_priv; 545 struct drm_property *hotplug_mode_update_property; 546 struct drm_property *implicit_placement_property; 547 spinlock_t cursor_lock; 548 struct drm_atomic_state *suspend_state; 549 550 /* 551 * Context and surface management. 552 */ 553 554 spinlock_t resource_lock; 555 struct idr res_idr[vmw_res_max]; 556 557 /* 558 * A resource manager for kernel-only surfaces and 559 * contexts. 560 */ 561 562 struct ttm_object_device *tdev; 563 564 /* 565 * Fencing and IRQs. 566 */ 567 568 atomic_t marker_seq; 569 wait_queue_head_t fence_queue; 570 wait_queue_head_t fifo_queue; 571 spinlock_t waiter_lock; 572 int fence_queue_waiters; /* Protected by waiter_lock */ 573 int goal_queue_waiters; /* Protected by waiter_lock */ 574 int cmdbuf_waiters; /* Protected by waiter_lock */ 575 int error_waiters; /* Protected by waiter_lock */ 576 int fifo_queue_waiters; /* Protected by waiter_lock */ 577 uint32_t last_read_seqno; 578 struct vmw_fence_manager *fman; 579 uint32_t irq_mask; /* Updates protected by waiter_lock */ 580 581 /* 582 * Device state 583 */ 584 585 uint32_t traces_state; 586 uint32_t enable_state; 587 uint32_t config_done_state; 588 589 /** 590 * Execbuf 591 */ 592 /** 593 * Protected by the cmdbuf mutex. 594 */ 595 596 struct vmw_sw_context ctx; 597 struct mutex cmdbuf_mutex; 598 struct mutex binding_mutex; 599 600 bool enable_fb; 601 602 /** 603 * PM management. 604 */ 605 struct notifier_block pm_nb; 606 bool refuse_hibernation; 607 bool suspend_locked; 608 609 atomic_t num_fifo_resources; 610 611 /* 612 * Query processing. These members 613 * are protected by the cmdbuf mutex. 614 */ 615 616 struct vmw_buffer_object *dummy_query_bo; 617 struct vmw_buffer_object *pinned_bo; 618 uint32_t query_cid; 619 uint32_t query_cid_valid; 620 bool dummy_query_bo_pinned; 621 622 /* 623 * Surface swapping. The "surface_lru" list is protected by the 624 * resource lock in order to be able to destroy a surface and take 625 * it off the lru atomically. "used_memory_size" is currently 626 * protected by the cmdbuf mutex for simplicity. 627 */ 628 629 struct list_head res_lru[vmw_res_max]; 630 uint32_t used_memory_size; 631 632 /* 633 * DMA mapping stuff. 634 */ 635 enum vmw_dma_map_mode map_mode; 636 637 /* 638 * Guest Backed stuff 639 */ 640 struct vmw_otable_batch otable_batch; 641 642 struct vmw_fifo_state *fifo; 643 struct vmw_cmdbuf_man *cman; 644 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 645 646 uint32 *devcaps; 647 648 /* 649 * mksGuestStat instance-descriptor and pid arrays 650 */ 651 struct page *mksstat_user_pages[MKSSTAT_CAPACITY]; 652 atomic_t mksstat_user_pids[MKSSTAT_CAPACITY]; 653 654 #if IS_ENABLED(CONFIG_DRM_VMWGFX_MKSSTATS) 655 struct page *mksstat_kern_pages[MKSSTAT_CAPACITY]; 656 u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; 657 atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; 658 #endif 659 }; 660 661 static inline struct vmw_buffer_object *gem_to_vmw_bo(struct drm_gem_object *gobj) 662 { 663 return container_of((gobj), struct vmw_buffer_object, base.base); 664 } 665 666 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 667 { 668 return container_of(res, struct vmw_surface, res); 669 } 670 671 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 672 { 673 return (struct vmw_private *)dev->dev_private; 674 } 675 676 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 677 { 678 return (struct vmw_fpriv *)file_priv->driver_priv; 679 } 680 681 /* 682 * SVGA v3 has mmio register access and lacks fifo cmds 683 */ 684 static inline bool vmw_is_svga_v3(const struct vmw_private *dev) 685 { 686 return dev->pci_id == VMWGFX_PCI_ID_SVGA3; 687 } 688 689 /* 690 * The locking here is fine-grained, so that it is performed once 691 * for every read- and write operation. This is of course costly, but we 692 * don't perform much register access in the timing critical paths anyway. 693 * Instead we have the extra benefit of being sure that we don't forget 694 * the hw lock around register accesses. 695 */ 696 static inline void vmw_write(struct vmw_private *dev_priv, 697 unsigned int offset, uint32_t value) 698 { 699 if (vmw_is_svga_v3(dev_priv)) { 700 iowrite32(value, dev_priv->rmmio + offset); 701 } else { 702 spin_lock(&dev_priv->hw_lock); 703 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 704 outl(value, dev_priv->io_start + SVGA_VALUE_PORT); 705 spin_unlock(&dev_priv->hw_lock); 706 } 707 } 708 709 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 710 unsigned int offset) 711 { 712 u32 val; 713 714 if (vmw_is_svga_v3(dev_priv)) { 715 val = ioread32(dev_priv->rmmio + offset); 716 } else { 717 spin_lock(&dev_priv->hw_lock); 718 outl(offset, dev_priv->io_start + SVGA_INDEX_PORT); 719 val = inl(dev_priv->io_start + SVGA_VALUE_PORT); 720 spin_unlock(&dev_priv->hw_lock); 721 } 722 723 return val; 724 } 725 726 /** 727 * has_sm4_context - Does the device support SM4 context. 728 * @dev_priv: Device private. 729 * 730 * Return: Bool value if device support SM4 context or not. 731 */ 732 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 733 { 734 return (dev_priv->sm_type >= VMW_SM_4); 735 } 736 737 /** 738 * has_sm4_1_context - Does the device support SM4_1 context. 739 * @dev_priv: Device private. 740 * 741 * Return: Bool value if device support SM4_1 context or not. 742 */ 743 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 744 { 745 return (dev_priv->sm_type >= VMW_SM_4_1); 746 } 747 748 /** 749 * has_sm5_context - Does the device support SM5 context. 750 * @dev_priv: Device private. 751 * 752 * Return: Bool value if device support SM5 context or not. 753 */ 754 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 755 { 756 return (dev_priv->sm_type >= VMW_SM_5); 757 } 758 759 /** 760 * has_gl43_context - Does the device support GL43 context. 761 * @dev_priv: Device private. 762 * 763 * Return: Bool value if device support SM5 context or not. 764 */ 765 static inline bool has_gl43_context(const struct vmw_private *dev_priv) 766 { 767 return (dev_priv->sm_type >= VMW_SM_5_1X); 768 } 769 770 771 static inline u32 vmw_max_num_uavs(struct vmw_private *dev_priv) 772 { 773 return (has_gl43_context(dev_priv) ? 774 SVGA3D_DX11_1_MAX_UAVIEWS : SVGA3D_MAX_UAVIEWS); 775 } 776 777 extern void vmw_svga_enable(struct vmw_private *dev_priv); 778 extern void vmw_svga_disable(struct vmw_private *dev_priv); 779 780 781 /** 782 * GMR utilities - vmwgfx_gmr.c 783 */ 784 785 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 786 const struct vmw_sg_table *vsgt, 787 unsigned long num_pages, 788 int gmr_id); 789 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 790 791 /** 792 * Resource utilities - vmwgfx_resource.c 793 */ 794 struct vmw_user_resource_conv; 795 796 extern void vmw_resource_unreference(struct vmw_resource **p_res); 797 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 798 extern struct vmw_resource * 799 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 800 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 801 bool dirtying); 802 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 803 bool no_backup); 804 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 805 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 806 struct drm_file *filp, 807 uint32_t handle, 808 struct vmw_surface **out_surf, 809 struct vmw_buffer_object **out_buf); 810 extern int vmw_user_resource_lookup_handle( 811 struct vmw_private *dev_priv, 812 struct ttm_object_file *tfile, 813 uint32_t handle, 814 const struct vmw_user_resource_conv *converter, 815 struct vmw_resource **p_res); 816 extern struct vmw_resource * 817 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 818 struct ttm_object_file *tfile, 819 uint32_t handle, 820 const struct vmw_user_resource_conv * 821 converter); 822 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 823 struct drm_file *file_priv); 824 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 825 struct drm_file *file_priv); 826 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 827 struct ttm_object_file *tfile, 828 uint32_t *inout_id, 829 struct vmw_resource **out); 830 extern void vmw_resource_unreserve(struct vmw_resource *res, 831 bool dirty_set, 832 bool dirty, 833 bool switch_backup, 834 struct vmw_buffer_object *new_backup, 835 unsigned long new_backup_offset); 836 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 837 struct ttm_resource *old_mem, 838 struct ttm_resource *new_mem); 839 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 840 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 841 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 842 void vmw_resource_mob_attach(struct vmw_resource *res); 843 void vmw_resource_mob_detach(struct vmw_resource *res); 844 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 845 pgoff_t end); 846 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 847 pgoff_t end, pgoff_t *num_prefault); 848 849 /** 850 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 851 * @res: The resource 852 * 853 * Return: true if the resource has a mob attached, false otherwise. 854 */ 855 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 856 { 857 return !RB_EMPTY_NODE(&res->mob_node); 858 } 859 860 /** 861 * vmw_user_resource_noref_release - release a user resource pointer looked up 862 * without reference 863 */ 864 static inline void vmw_user_resource_noref_release(void) 865 { 866 ttm_base_object_noref_release(); 867 } 868 869 /** 870 * Buffer object helper functions - vmwgfx_bo.c 871 */ 872 extern bool vmw_bo_is_vmw_bo(struct ttm_buffer_object *bo); 873 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 874 struct vmw_buffer_object *bo, 875 struct ttm_placement *placement, 876 bool interruptible); 877 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 878 struct vmw_buffer_object *buf, 879 bool interruptible); 880 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 881 struct vmw_buffer_object *buf, 882 bool interruptible); 883 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 884 struct vmw_buffer_object *bo, 885 bool interruptible); 886 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 887 struct vmw_buffer_object *bo, 888 bool interruptible); 889 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 890 SVGAGuestPtr *ptr); 891 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 892 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 893 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 894 unsigned long size, 895 struct ttm_placement *placement, 896 struct ttm_buffer_object **p_bo); 897 extern int vmw_bo_create(struct vmw_private *dev_priv, 898 size_t size, struct ttm_placement *placement, 899 bool interruptible, bool pin, 900 void (*bo_free)(struct ttm_buffer_object *bo), 901 struct vmw_buffer_object **p_bo); 902 extern int vmw_bo_init(struct vmw_private *dev_priv, 903 struct vmw_buffer_object *vmw_bo, 904 size_t size, struct ttm_placement *placement, 905 bool interruptible, bool pin, 906 void (*bo_free)(struct ttm_buffer_object *bo)); 907 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 908 struct drm_file *file_priv); 909 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 910 struct drm_file *file_priv); 911 extern int vmw_user_bo_lookup(struct drm_file *filp, 912 uint32_t handle, 913 struct vmw_buffer_object **out); 914 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 915 struct vmw_fence_obj *fence); 916 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 917 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 918 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 919 struct ttm_resource *mem); 920 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 921 extern struct vmw_buffer_object * 922 vmw_user_bo_noref_lookup(struct drm_file *filp, u32 handle); 923 924 /** 925 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 926 * according to attached resources 927 * @vbo: The struct vmw_buffer_object 928 */ 929 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 930 { 931 int i = ARRAY_SIZE(vbo->res_prios); 932 933 while (i--) { 934 if (vbo->res_prios[i]) { 935 vbo->base.priority = i; 936 return; 937 } 938 } 939 940 vbo->base.priority = 3; 941 } 942 943 /** 944 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 945 * eviction priority 946 * @vbo: The struct vmw_buffer_object 947 * @prio: The resource priority 948 * 949 * After being notified, the code assigns the highest resource eviction priority 950 * to the backing buffer object (mob). 951 */ 952 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 953 { 954 if (vbo->res_prios[prio]++ == 0) 955 vmw_bo_prio_adjust(vbo); 956 } 957 958 /** 959 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 960 * priority being removed 961 * @vbo: The struct vmw_buffer_object 962 * @prio: The resource priority 963 * 964 * After being notified, the code assigns the highest resource eviction priority 965 * to the backing buffer object (mob). 966 */ 967 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 968 { 969 if (--vbo->res_prios[prio] == 0) 970 vmw_bo_prio_adjust(vbo); 971 } 972 973 /** 974 * GEM related functionality - vmwgfx_gem.c 975 */ 976 extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, 977 struct drm_file *filp, 978 uint32_t size, 979 uint32_t *handle, 980 struct vmw_buffer_object **p_vbo); 981 extern int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data, 982 struct drm_file *filp); 983 extern void vmw_gem_destroy(struct ttm_buffer_object *bo); 984 extern void vmw_debugfs_gem_init(struct vmw_private *vdev); 985 986 /** 987 * Misc Ioctl functionality - vmwgfx_ioctl.c 988 */ 989 990 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 991 struct drm_file *file_priv); 992 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 993 struct drm_file *file_priv); 994 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 995 struct drm_file *file_priv); 996 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 997 struct drm_file *file_priv); 998 999 /** 1000 * Fifo utilities - vmwgfx_fifo.c 1001 */ 1002 1003 extern struct vmw_fifo_state *vmw_fifo_create(struct vmw_private *dev_priv); 1004 extern void vmw_fifo_destroy(struct vmw_private *dev_priv); 1005 extern bool vmw_cmd_supported(struct vmw_private *vmw); 1006 extern void * 1007 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 1008 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 1009 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 1010 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 1011 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 1012 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 1013 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 1014 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 1015 uint32_t cid); 1016 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 1017 bool interruptible); 1018 1019 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 1020 ({ \ 1021 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 1022 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 1023 __func__, (unsigned int) __bytes); \ 1024 NULL; \ 1025 }); \ 1026 }) 1027 1028 #define VMW_CMD_RESERVE(__priv, __bytes) \ 1029 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 1030 1031 1032 /** 1033 * vmw_fifo_caps - Returns the capabilities of the FIFO command 1034 * queue or 0 if fifo memory isn't present. 1035 * @dev_priv: The device private context 1036 */ 1037 static inline uint32_t vmw_fifo_caps(const struct vmw_private *dev_priv) 1038 { 1039 if (!dev_priv->fifo_mem || !dev_priv->fifo) 1040 return 0; 1041 return dev_priv->fifo->capabilities; 1042 } 1043 1044 1045 /** 1046 * vmw_is_cursor_bypass3_enabled - Returns TRUE iff Cursor Bypass 3 1047 * is enabled in the FIFO. 1048 * @dev_priv: The device private context 1049 */ 1050 static inline bool 1051 vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv) 1052 { 1053 return (vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_CURSOR_BYPASS_3) != 0; 1054 } 1055 1056 /** 1057 * TTM glue - vmwgfx_ttm_glue.c 1058 */ 1059 1060 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1061 1062 /** 1063 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1064 */ 1065 1066 extern const size_t vmw_tt_size; 1067 extern struct ttm_placement vmw_vram_placement; 1068 extern struct ttm_placement vmw_vram_sys_placement; 1069 extern struct ttm_placement vmw_vram_gmr_placement; 1070 extern struct ttm_placement vmw_sys_placement; 1071 extern struct ttm_placement vmw_srf_placement; 1072 extern struct ttm_placement vmw_mob_placement; 1073 extern struct ttm_placement vmw_nonfixed_placement; 1074 extern struct ttm_device_funcs vmw_bo_driver; 1075 extern const struct vmw_sg_table * 1076 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1077 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1078 unsigned long bo_size, 1079 struct ttm_buffer_object **bo_p); 1080 1081 extern void vmw_piter_start(struct vmw_piter *viter, 1082 const struct vmw_sg_table *vsgt, 1083 unsigned long p_offs); 1084 1085 /** 1086 * vmw_piter_next - Advance the iterator one page. 1087 * 1088 * @viter: Pointer to the iterator to advance. 1089 * 1090 * Returns false if past the list of pages, true otherwise. 1091 */ 1092 static inline bool vmw_piter_next(struct vmw_piter *viter) 1093 { 1094 return viter->next(viter); 1095 } 1096 1097 /** 1098 * vmw_piter_dma_addr - Return the DMA address of the current page. 1099 * 1100 * @viter: Pointer to the iterator 1101 * 1102 * Returns the DMA address of the page pointed to by @viter. 1103 */ 1104 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1105 { 1106 return viter->dma_address(viter); 1107 } 1108 1109 /** 1110 * vmw_piter_page - Return a pointer to the current page. 1111 * 1112 * @viter: Pointer to the iterator 1113 * 1114 * Returns the DMA address of the page pointed to by @viter. 1115 */ 1116 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1117 { 1118 return viter->pages[viter->i]; 1119 } 1120 1121 /** 1122 * Command submission - vmwgfx_execbuf.c 1123 */ 1124 1125 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1126 struct drm_file *file_priv); 1127 extern int vmw_execbuf_process(struct drm_file *file_priv, 1128 struct vmw_private *dev_priv, 1129 void __user *user_commands, 1130 void *kernel_commands, 1131 uint32_t command_size, 1132 uint64_t throttle_us, 1133 uint32_t dx_context_handle, 1134 struct drm_vmw_fence_rep __user 1135 *user_fence_rep, 1136 struct vmw_fence_obj **out_fence, 1137 uint32_t flags); 1138 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1139 struct vmw_fence_obj *fence); 1140 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1141 1142 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1143 struct vmw_private *dev_priv, 1144 struct vmw_fence_obj **p_fence, 1145 uint32_t *p_handle); 1146 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1147 struct vmw_fpriv *vmw_fp, 1148 int ret, 1149 struct drm_vmw_fence_rep __user 1150 *user_fence_rep, 1151 struct vmw_fence_obj *fence, 1152 uint32_t fence_handle, 1153 int32_t out_fence_fd, 1154 struct sync_file *sync_file); 1155 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1156 1157 /** 1158 * IRQs and wating - vmwgfx_irq.c 1159 */ 1160 1161 extern int vmw_irq_install(struct drm_device *dev, int irq); 1162 extern void vmw_irq_uninstall(struct drm_device *dev); 1163 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1164 uint32_t seqno); 1165 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1166 bool lazy, 1167 bool fifo_idle, 1168 uint32_t seqno, 1169 bool interruptible, 1170 unsigned long timeout); 1171 extern void vmw_update_seqno(struct vmw_private *dev_priv); 1172 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1173 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1174 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1175 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1176 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1177 int *waiter_count); 1178 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1179 u32 flag, int *waiter_count); 1180 1181 1182 /** 1183 * Kernel framebuffer - vmwgfx_fb.c 1184 */ 1185 1186 #ifdef CONFIG_DRM_FBDEV_EMULATION 1187 int vmw_fb_init(struct vmw_private *vmw_priv); 1188 int vmw_fb_close(struct vmw_private *dev_priv); 1189 int vmw_fb_off(struct vmw_private *vmw_priv); 1190 int vmw_fb_on(struct vmw_private *vmw_priv); 1191 #else 1192 static inline int vmw_fb_init(struct vmw_private *vmw_priv) 1193 { 1194 return 0; 1195 } 1196 static inline int vmw_fb_close(struct vmw_private *dev_priv) 1197 { 1198 return 0; 1199 } 1200 static inline int vmw_fb_off(struct vmw_private *vmw_priv) 1201 { 1202 return 0; 1203 } 1204 static inline int vmw_fb_on(struct vmw_private *vmw_priv) 1205 { 1206 return 0; 1207 } 1208 #endif 1209 1210 /** 1211 * Kernel modesetting - vmwgfx_kms.c 1212 */ 1213 1214 int vmw_kms_init(struct vmw_private *dev_priv); 1215 int vmw_kms_close(struct vmw_private *dev_priv); 1216 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1217 struct drm_file *file_priv); 1218 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1219 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1220 struct ttm_object_file *tfile, 1221 struct ttm_buffer_object *bo, 1222 SVGA3dCmdHeader *header); 1223 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1224 unsigned width, unsigned height, unsigned pitch, 1225 unsigned bpp, unsigned depth); 1226 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1227 uint32_t pitch, 1228 uint32_t height); 1229 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1230 int vmw_enable_vblank(struct drm_crtc *crtc); 1231 void vmw_disable_vblank(struct drm_crtc *crtc); 1232 int vmw_kms_present(struct vmw_private *dev_priv, 1233 struct drm_file *file_priv, 1234 struct vmw_framebuffer *vfb, 1235 struct vmw_surface *surface, 1236 uint32_t sid, int32_t destX, int32_t destY, 1237 struct drm_vmw_rect *clips, 1238 uint32_t num_clips); 1239 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1240 struct drm_file *file_priv); 1241 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1242 int vmw_kms_suspend(struct drm_device *dev); 1243 int vmw_kms_resume(struct drm_device *dev); 1244 void vmw_kms_lost_device(struct drm_device *dev); 1245 1246 int vmw_dumb_create(struct drm_file *file_priv, 1247 struct drm_device *dev, 1248 struct drm_mode_create_dumb *args); 1249 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1250 extern void vmw_resource_unpin(struct vmw_resource *res); 1251 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1252 1253 /** 1254 * Overlay control - vmwgfx_overlay.c 1255 */ 1256 1257 int vmw_overlay_init(struct vmw_private *dev_priv); 1258 int vmw_overlay_close(struct vmw_private *dev_priv); 1259 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1260 struct drm_file *file_priv); 1261 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1262 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1263 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1264 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1265 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1266 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1267 1268 /** 1269 * GMR Id manager 1270 */ 1271 1272 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1273 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1274 1275 /** 1276 * System memory manager 1277 */ 1278 int vmw_sys_man_init(struct vmw_private *dev_priv); 1279 void vmw_sys_man_fini(struct vmw_private *dev_priv); 1280 1281 /** 1282 * Prime - vmwgfx_prime.c 1283 */ 1284 1285 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1286 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1287 struct drm_file *file_priv, 1288 int fd, u32 *handle); 1289 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1290 struct drm_file *file_priv, 1291 uint32_t handle, uint32_t flags, 1292 int *prime_fd); 1293 1294 /* 1295 * MemoryOBject management - vmwgfx_mob.c 1296 */ 1297 struct vmw_mob; 1298 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1299 const struct vmw_sg_table *vsgt, 1300 unsigned long num_data_pages, int32_t mob_id); 1301 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1302 struct vmw_mob *mob); 1303 extern void vmw_mob_destroy(struct vmw_mob *mob); 1304 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1305 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1306 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1307 1308 /* 1309 * Context management - vmwgfx_context.c 1310 */ 1311 1312 extern const struct vmw_user_resource_conv *user_context_converter; 1313 1314 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1315 struct drm_file *file_priv); 1316 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1317 struct drm_file *file_priv); 1318 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1319 struct drm_file *file_priv); 1320 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1321 extern struct vmw_cmdbuf_res_manager * 1322 vmw_context_res_man(struct vmw_resource *ctx); 1323 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1324 SVGACOTableType cotable_type); 1325 struct vmw_ctx_binding_state; 1326 extern struct vmw_ctx_binding_state * 1327 vmw_context_binding_state(struct vmw_resource *ctx); 1328 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1329 bool readback); 1330 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1331 struct vmw_buffer_object *mob); 1332 extern struct vmw_buffer_object * 1333 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1334 1335 1336 /* 1337 * Surface management - vmwgfx_surface.c 1338 */ 1339 1340 extern const struct vmw_user_resource_conv *user_surface_converter; 1341 1342 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1343 struct drm_file *file_priv); 1344 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1345 struct drm_file *file_priv); 1346 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1347 struct drm_file *file_priv); 1348 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1349 struct drm_file *file_priv); 1350 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1351 struct drm_file *file_priv); 1352 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1353 void *data, 1354 struct drm_file *file_priv); 1355 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1356 void *data, 1357 struct drm_file *file_priv); 1358 1359 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1360 const struct vmw_surface_metadata *req, 1361 struct vmw_surface **srf_out); 1362 1363 /* 1364 * Shader management - vmwgfx_shader.c 1365 */ 1366 1367 extern const struct vmw_user_resource_conv *user_shader_converter; 1368 1369 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1370 struct drm_file *file_priv); 1371 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1372 struct drm_file *file_priv); 1373 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1374 struct vmw_cmdbuf_res_manager *man, 1375 u32 user_key, const void *bytecode, 1376 SVGA3dShaderType shader_type, 1377 size_t size, 1378 struct list_head *list); 1379 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1380 u32 user_key, SVGA3dShaderType shader_type, 1381 struct list_head *list); 1382 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1383 struct vmw_resource *ctx, 1384 u32 user_key, 1385 SVGA3dShaderType shader_type, 1386 struct list_head *list); 1387 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1388 struct list_head *list, 1389 bool readback); 1390 1391 extern struct vmw_resource * 1392 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1393 u32 user_key, SVGA3dShaderType shader_type); 1394 1395 /* 1396 * Streamoutput management 1397 */ 1398 struct vmw_resource * 1399 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1400 u32 user_key); 1401 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1402 struct vmw_resource *ctx, 1403 SVGA3dStreamOutputId user_key, 1404 struct list_head *list); 1405 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1406 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1407 SVGA3dStreamOutputId user_key, 1408 struct list_head *list); 1409 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1410 struct list_head *list, 1411 bool readback); 1412 1413 /* 1414 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1415 */ 1416 1417 extern struct vmw_cmdbuf_res_manager * 1418 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1419 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1420 extern struct vmw_resource * 1421 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1422 enum vmw_cmdbuf_res_type res_type, 1423 u32 user_key); 1424 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1425 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1426 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1427 enum vmw_cmdbuf_res_type res_type, 1428 u32 user_key, 1429 struct vmw_resource *res, 1430 struct list_head *list); 1431 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1432 enum vmw_cmdbuf_res_type res_type, 1433 u32 user_key, 1434 struct list_head *list, 1435 struct vmw_resource **res); 1436 1437 /* 1438 * COTable management - vmwgfx_cotable.c 1439 */ 1440 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1441 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1442 struct vmw_resource *ctx, 1443 u32 type); 1444 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1445 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1446 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1447 struct list_head *head); 1448 1449 /* 1450 * Command buffer managerment vmwgfx_cmdbuf.c 1451 */ 1452 struct vmw_cmdbuf_man; 1453 struct vmw_cmdbuf_header; 1454 1455 extern struct vmw_cmdbuf_man * 1456 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1457 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1458 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1459 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1460 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1461 unsigned long timeout); 1462 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1463 int ctx_id, bool interruptible, 1464 struct vmw_cmdbuf_header *header); 1465 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1466 struct vmw_cmdbuf_header *header, 1467 bool flush); 1468 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1469 size_t size, bool interruptible, 1470 struct vmw_cmdbuf_header **p_header); 1471 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1472 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1473 bool interruptible); 1474 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1475 1476 /* CPU blit utilities - vmwgfx_blit.c */ 1477 1478 /** 1479 * struct vmw_diff_cpy - CPU blit information structure 1480 * 1481 * @rect: The output bounding box rectangle. 1482 * @line: The current line of the blit. 1483 * @line_offset: Offset of the current line segment. 1484 * @cpp: Bytes per pixel (granularity information). 1485 * @memcpy: Which memcpy function to use. 1486 */ 1487 struct vmw_diff_cpy { 1488 struct drm_rect rect; 1489 size_t line; 1490 size_t line_offset; 1491 int cpp; 1492 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1493 size_t n); 1494 }; 1495 1496 #define VMW_CPU_BLIT_INITIALIZER { \ 1497 .do_cpy = vmw_memcpy, \ 1498 } 1499 1500 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1501 .line = 0, \ 1502 .line_offset = 0, \ 1503 .rect = { .x1 = INT_MAX/2, \ 1504 .y1 = INT_MAX/2, \ 1505 .x2 = INT_MIN/2, \ 1506 .y2 = INT_MIN/2 \ 1507 }, \ 1508 .cpp = _cpp, \ 1509 .do_cpy = vmw_diff_memcpy, \ 1510 } 1511 1512 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1513 size_t n); 1514 1515 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1516 1517 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1518 u32 dst_offset, u32 dst_stride, 1519 struct ttm_buffer_object *src, 1520 u32 src_offset, u32 src_stride, 1521 u32 w, u32 h, 1522 struct vmw_diff_cpy *diff); 1523 1524 /* Host messaging -vmwgfx_msg.c: */ 1525 int vmw_host_get_guestinfo(const char *guest_info_param, 1526 char *buffer, size_t *length); 1527 __printf(1, 2) int vmw_host_printf(const char *fmt, ...); 1528 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1529 struct drm_file *file_priv); 1530 1531 /* Host mksGuestStats -vmwgfx_msg.c: */ 1532 int vmw_mksstat_get_kern_slot(pid_t pid, struct vmw_private *dev_priv); 1533 1534 int vmw_mksstat_reset_ioctl(struct drm_device *dev, void *data, 1535 struct drm_file *file_priv); 1536 int vmw_mksstat_add_ioctl(struct drm_device *dev, void *data, 1537 struct drm_file *file_priv); 1538 int vmw_mksstat_remove_ioctl(struct drm_device *dev, void *data, 1539 struct drm_file *file_priv); 1540 int vmw_mksstat_remove_all(struct vmw_private *dev_priv); 1541 1542 /* VMW logging */ 1543 1544 /** 1545 * VMW_DEBUG_USER - Debug output for user-space debugging. 1546 * 1547 * @fmt: printf() like format string. 1548 * 1549 * This macro is for logging user-space error and debugging messages for e.g. 1550 * command buffer execution errors due to malformed commands, invalid context, 1551 * etc. 1552 */ 1553 #define VMW_DEBUG_USER(fmt, ...) \ 1554 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1555 1556 /* Resource dirtying - vmwgfx_page_dirty.c */ 1557 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1558 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1559 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1560 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1561 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1562 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1563 pgoff_t start, pgoff_t end); 1564 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1565 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1566 1567 1568 /** 1569 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1570 * 1571 * This macro is for debugging vmwgfx mode-setting code. 1572 */ 1573 #define VMW_DEBUG_KMS(fmt, ...) \ 1574 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1575 1576 /** 1577 * Inline helper functions 1578 */ 1579 1580 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1581 { 1582 struct vmw_surface *tmp_srf = *srf; 1583 struct vmw_resource *res = &tmp_srf->res; 1584 *srf = NULL; 1585 1586 vmw_resource_unreference(&res); 1587 } 1588 1589 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1590 { 1591 (void) vmw_resource_reference(&srf->res); 1592 return srf; 1593 } 1594 1595 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1596 { 1597 struct vmw_buffer_object *tmp_buf = *buf; 1598 1599 *buf = NULL; 1600 if (tmp_buf != NULL) 1601 ttm_bo_put(&tmp_buf->base); 1602 } 1603 1604 static inline struct vmw_buffer_object * 1605 vmw_bo_reference(struct vmw_buffer_object *buf) 1606 { 1607 ttm_bo_get(&buf->base); 1608 return buf; 1609 } 1610 1611 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1612 { 1613 atomic_inc(&dev_priv->num_fifo_resources); 1614 } 1615 1616 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1617 { 1618 atomic_dec(&dev_priv->num_fifo_resources); 1619 } 1620 1621 /** 1622 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1623 * 1624 * @fifo_reg: The fifo register to read from 1625 * 1626 * This function is intended to be equivalent to ioread32() on 1627 * memremap'd memory, but without byteswapping. 1628 */ 1629 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1630 { 1631 BUG_ON(vmw_is_svga_v3(vmw)); 1632 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1633 } 1634 1635 /** 1636 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1637 * 1638 * @addr: The fifo register to write to 1639 * 1640 * This function is intended to be equivalent to iowrite32 on 1641 * memremap'd memory, but without byteswapping. 1642 */ 1643 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1644 u32 value) 1645 { 1646 BUG_ON(vmw_is_svga_v3(vmw)); 1647 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1648 } 1649 1650 static inline u32 vmw_fence_read(struct vmw_private *dev_priv) 1651 { 1652 u32 fence; 1653 if (vmw_is_svga_v3(dev_priv)) 1654 fence = vmw_read(dev_priv, SVGA_REG_FENCE); 1655 else 1656 fence = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_FENCE); 1657 return fence; 1658 } 1659 1660 static inline void vmw_fence_write(struct vmw_private *dev_priv, 1661 u32 fence) 1662 { 1663 BUG_ON(vmw_is_svga_v3(dev_priv)); 1664 vmw_fifo_mem_write(dev_priv, SVGA_FIFO_FENCE, fence); 1665 } 1666 1667 static inline u32 vmw_irq_status_read(struct vmw_private *vmw) 1668 { 1669 u32 status; 1670 if (vmw_is_svga_v3(vmw)) 1671 status = vmw_read(vmw, SVGA_REG_IRQ_STATUS); 1672 else 1673 status = inl(vmw->io_start + SVGA_IRQSTATUS_PORT); 1674 return status; 1675 } 1676 1677 static inline void vmw_irq_status_write(struct vmw_private *vmw, 1678 uint32 status) 1679 { 1680 if (vmw_is_svga_v3(vmw)) 1681 vmw_write(vmw, SVGA_REG_IRQ_STATUS, status); 1682 else 1683 outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT); 1684 } 1685 1686 #endif 1687