1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /************************************************************************** 3 * 4 * Copyright 2009-2015 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_hashtab.h> 38 #include <drm/drm_rect.h> 39 40 #include <drm/ttm/ttm_bo_driver.h> 41 #include <drm/ttm/ttm_execbuf_util.h> 42 #include <drm/ttm/ttm_module.h> 43 44 #include "ttm_lock.h" 45 #include "ttm_object.h" 46 47 #include "vmwgfx_fence.h" 48 #include "vmwgfx_reg.h" 49 #include "vmwgfx_validation.h" 50 51 /* 52 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 53 * uapi headers should not depend on header files outside uapi/. 54 */ 55 #include <drm/vmwgfx_drm.h> 56 57 58 #define VMWGFX_DRIVER_NAME "vmwgfx" 59 #define VMWGFX_DRIVER_DATE "20200114" 60 #define VMWGFX_DRIVER_MAJOR 2 61 #define VMWGFX_DRIVER_MINOR 18 62 #define VMWGFX_DRIVER_PATCHLEVEL 0 63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 64 #define VMWGFX_MAX_RELOCATIONS 2048 65 #define VMWGFX_MAX_VALIDATIONS 2048 66 #define VMWGFX_MAX_DISPLAYS 16 67 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 68 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 69 70 /* 71 * Perhaps we should have sysfs entries for these. 72 */ 73 #define VMWGFX_NUM_GB_CONTEXT 256 74 #define VMWGFX_NUM_GB_SHADER 20000 75 #define VMWGFX_NUM_GB_SURFACE 32768 76 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 77 #define VMWGFX_NUM_DXCONTEXT 256 78 #define VMWGFX_NUM_DXQUERY 512 79 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 80 VMWGFX_NUM_GB_SHADER +\ 81 VMWGFX_NUM_GB_SURFACE +\ 82 VMWGFX_NUM_GB_SCREEN_TARGET) 83 84 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 85 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 86 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 87 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 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 struct vmw_fpriv { 96 struct ttm_object_file *tfile; 97 bool gb_aware; /* user-space is guest-backed aware */ 98 }; 99 100 /** 101 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 102 * @base: The TTM buffer object 103 * @res_tree: RB tree of resources using this buffer object as a backing MOB 104 * @pin_count: pin depth 105 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 106 * increased. May be decreased without reservation. 107 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 108 * @map: Kmap object for semi-persistent mappings 109 * @res_prios: Eviction priority counts for attached resources 110 * @dirty: structure for user-space dirty-tracking 111 */ 112 struct vmw_buffer_object { 113 struct ttm_buffer_object base; 114 struct rb_root res_tree; 115 s32 pin_count; 116 atomic_t cpu_writers; 117 /* Not ref-counted. Protected by binding_mutex */ 118 struct vmw_resource *dx_query_ctx; 119 /* Protected by reservation */ 120 struct ttm_bo_kmap_obj map; 121 u32 res_prios[TTM_MAX_BO_PRIORITY]; 122 struct vmw_bo_dirty *dirty; 123 }; 124 125 /** 126 * struct vmw_validate_buffer - Carries validation info about buffers. 127 * 128 * @base: Validation info for TTM. 129 * @hash: Hash entry for quick lookup of the TTM buffer object. 130 * 131 * This structure contains also driver private validation info 132 * on top of the info needed by TTM. 133 */ 134 struct vmw_validate_buffer { 135 struct ttm_validate_buffer base; 136 struct drm_hash_item hash; 137 bool validate_as_mob; 138 }; 139 140 struct vmw_res_func; 141 142 143 /** 144 * struct vmw-resource - base class for hardware resources 145 * 146 * @kref: For refcounting. 147 * @dev_priv: Pointer to the device private for this resource. Immutable. 148 * @id: Device id. Protected by @dev_priv::resource_lock. 149 * @backup_size: Backup buffer size. Immutable. 150 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 151 * by resource reserved. 152 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 153 * Protected by resource reserved. 154 * @coherent: Emulate coherency by tracking vm accesses. 155 * @backup: The backup buffer if any. Protected by resource reserved. 156 * @backup_offset: Offset into the backup buffer if any. Protected by resource 157 * reserved. Note that only a few resource types can have a @backup_offset 158 * different from zero. 159 * @pin_count: The pin count for this resource. A pinned resource has a 160 * pin-count greater than zero. It is not on the resource LRU lists and its 161 * backup buffer is pinned. Hence it can't be evicted. 162 * @func: Method vtable for this resource. Immutable. 163 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 164 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 165 * @binding_head: List head for the context binding list. Protected by 166 * the @dev_priv::binding_mutex 167 * @res_free: The resource destructor. 168 * @hw_destroy: Callback to destroy the resource on the device, as part of 169 * resource destruction. 170 */ 171 struct vmw_resource_dirty; 172 struct vmw_resource { 173 struct kref kref; 174 struct vmw_private *dev_priv; 175 int id; 176 u32 used_prio; 177 unsigned long backup_size; 178 u32 res_dirty : 1; 179 u32 backup_dirty : 1; 180 u32 coherent : 1; 181 struct vmw_buffer_object *backup; 182 unsigned long backup_offset; 183 unsigned long pin_count; 184 const struct vmw_res_func *func; 185 struct rb_node mob_node; 186 struct list_head lru_head; 187 struct list_head binding_head; 188 struct vmw_resource_dirty *dirty; 189 void (*res_free) (struct vmw_resource *res); 190 void (*hw_destroy) (struct vmw_resource *res); 191 }; 192 193 194 /* 195 * Resources that are managed using ioctls. 196 */ 197 enum vmw_res_type { 198 vmw_res_context, 199 vmw_res_surface, 200 vmw_res_stream, 201 vmw_res_shader, 202 vmw_res_dx_context, 203 vmw_res_cotable, 204 vmw_res_view, 205 vmw_res_streamoutput, 206 vmw_res_max 207 }; 208 209 /* 210 * Resources that are managed using command streams. 211 */ 212 enum vmw_cmdbuf_res_type { 213 vmw_cmdbuf_res_shader, 214 vmw_cmdbuf_res_view, 215 vmw_cmdbuf_res_streamoutput 216 }; 217 218 struct vmw_cmdbuf_res_manager; 219 220 struct vmw_cursor_snooper { 221 size_t age; 222 uint32_t *image; 223 }; 224 225 struct vmw_framebuffer; 226 struct vmw_surface_offset; 227 228 /** 229 * struct vmw_surface_metadata - Metadata describing a surface. 230 * 231 * @flags: Device flags. 232 * @format: Surface SVGA3D_x format. 233 * @mip_levels: Mip level for each face. For GB first index is used only. 234 * @multisample_count: Sample count. 235 * @multisample_pattern: Sample patterns. 236 * @quality_level: Quality level. 237 * @autogen_filter: Filter for automatically generated mipmaps. 238 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 239 texture number of faces * array_size. This should be 0 for pre 240 SM4 device. 241 * @buffer_byte_stride: Buffer byte stride. 242 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 243 * @base_size: Surface dimension. 244 * @sizes: Array representing mip sizes. Legacy only. 245 * @scanout: Whether this surface will be used for scanout. 246 * 247 * This tracks metadata for both legacy and guest backed surface. 248 */ 249 struct vmw_surface_metadata { 250 u64 flags; 251 u32 format; 252 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 253 u32 multisample_count; 254 u32 multisample_pattern; 255 u32 quality_level; 256 u32 autogen_filter; 257 u32 array_size; 258 u32 num_sizes; 259 u32 buffer_byte_stride; 260 struct drm_vmw_size base_size; 261 struct drm_vmw_size *sizes; 262 bool scanout; 263 }; 264 265 /** 266 * struct vmw_surface: Resource structure for a surface. 267 * 268 * @res: The base resource for this surface. 269 * @metadata: Metadata for this surface resource. 270 * @snooper: Cursor data. Legacy surface only. 271 * @offsets: Legacy surface only. 272 * @view_list: List of views bound to this surface. 273 */ 274 struct vmw_surface { 275 struct vmw_resource res; 276 struct vmw_surface_metadata metadata; 277 struct vmw_cursor_snooper snooper; 278 struct vmw_surface_offset *offsets; 279 struct list_head view_list; 280 }; 281 282 struct vmw_marker_queue { 283 struct list_head head; 284 u64 lag; 285 u64 lag_time; 286 spinlock_t lock; 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 struct vmw_marker_queue marker_queue; 299 bool dx; 300 }; 301 302 /** 303 * struct vmw_res_cache_entry - resource information cache entry 304 * @handle: User-space handle of a resource. 305 * @res: Non-ref-counted pointer to the resource. 306 * @valid_handle: Whether the @handle member is valid. 307 * @valid: Whether the entry is valid, which also implies that the execbuf 308 * code holds a reference to the resource, and it's placed on the 309 * validation list. 310 * 311 * Used to avoid frequent repeated user-space handle lookups of the 312 * same resource. 313 */ 314 struct vmw_res_cache_entry { 315 uint32_t handle; 316 struct vmw_resource *res; 317 void *private; 318 unsigned short valid_handle; 319 unsigned short valid; 320 }; 321 322 /** 323 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 324 */ 325 enum vmw_dma_map_mode { 326 vmw_dma_phys, /* Use physical page addresses */ 327 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 328 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 329 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 330 vmw_dma_map_max 331 }; 332 333 /** 334 * struct vmw_sg_table - Scatter/gather table for binding, with additional 335 * device-specific information. 336 * 337 * @sgt: Pointer to a struct sg_table with binding information 338 * @num_regions: Number of regions with device-address contiguous pages 339 */ 340 struct vmw_sg_table { 341 enum vmw_dma_map_mode mode; 342 struct page **pages; 343 const dma_addr_t *addrs; 344 struct sg_table *sgt; 345 unsigned long num_regions; 346 unsigned long num_pages; 347 }; 348 349 /** 350 * struct vmw_piter - Page iterator that iterates over a list of pages 351 * and DMA addresses that could be either a scatter-gather list or 352 * arrays 353 * 354 * @pages: Array of page pointers to the pages. 355 * @addrs: DMA addresses to the pages if coherent pages are used. 356 * @iter: Scatter-gather page iterator. Current position in SG list. 357 * @i: Current position in arrays. 358 * @num_pages: Number of pages total. 359 * @next: Function to advance the iterator. Returns false if past the list 360 * of pages, true otherwise. 361 * @dma_address: Function to return the DMA address of the current page. 362 */ 363 struct vmw_piter { 364 struct page **pages; 365 const dma_addr_t *addrs; 366 struct sg_dma_page_iter iter; 367 unsigned long i; 368 unsigned long num_pages; 369 bool (*next)(struct vmw_piter *); 370 dma_addr_t (*dma_address)(struct vmw_piter *); 371 struct page *(*page)(struct vmw_piter *); 372 }; 373 374 /* 375 * enum vmw_display_unit_type - Describes the display unit 376 */ 377 enum vmw_display_unit_type { 378 vmw_du_invalid = 0, 379 vmw_du_legacy, 380 vmw_du_screen_object, 381 vmw_du_screen_target 382 }; 383 384 struct vmw_validation_context; 385 struct vmw_ctx_validation_info; 386 387 /** 388 * struct vmw_sw_context - Command submission context 389 * @res_ht: Pointer hash table used to find validation duplicates 390 * @kernel: Whether the command buffer originates from kernel code rather 391 * than from user-space 392 * @fp: If @kernel is false, points to the file of the client. Otherwise 393 * NULL 394 * @cmd_bounce: Command bounce buffer used for command validation before 395 * copying to fifo space 396 * @cmd_bounce_size: Current command bounce buffer size 397 * @cur_query_bo: Current buffer object used as query result buffer 398 * @bo_relocations: List of buffer object relocations 399 * @res_relocations: List of resource relocations 400 * @buf_start: Pointer to start of memory where command validation takes 401 * place 402 * @res_cache: Cache of recently looked up resources 403 * @last_query_ctx: Last context that submitted a query 404 * @needs_post_query_barrier: Whether a query barrier is needed after 405 * command submission 406 * @staged_bindings: Cached per-context binding tracker 407 * @staged_bindings_inuse: Whether the cached per-context binding tracker 408 * is in use 409 * @staged_cmd_res: List of staged command buffer managed resources in this 410 * command buffer 411 * @ctx_list: List of context resources referenced in this command buffer 412 * @dx_ctx_node: Validation metadata of the current DX context 413 * @dx_query_mob: The MOB used for DX queries 414 * @dx_query_ctx: The DX context used for the last DX query 415 * @man: Pointer to the command buffer managed resource manager 416 * @ctx: The validation context 417 */ 418 struct vmw_sw_context{ 419 struct drm_open_hash res_ht; 420 bool res_ht_initialized; 421 bool kernel; 422 struct vmw_fpriv *fp; 423 uint32_t *cmd_bounce; 424 uint32_t cmd_bounce_size; 425 struct vmw_buffer_object *cur_query_bo; 426 struct list_head bo_relocations; 427 struct list_head res_relocations; 428 uint32_t *buf_start; 429 struct vmw_res_cache_entry res_cache[vmw_res_max]; 430 struct vmw_resource *last_query_ctx; 431 bool needs_post_query_barrier; 432 struct vmw_ctx_binding_state *staged_bindings; 433 bool staged_bindings_inuse; 434 struct list_head staged_cmd_res; 435 struct list_head ctx_list; 436 struct vmw_ctx_validation_info *dx_ctx_node; 437 struct vmw_buffer_object *dx_query_mob; 438 struct vmw_resource *dx_query_ctx; 439 struct vmw_cmdbuf_res_manager *man; 440 struct vmw_validation_context *ctx; 441 }; 442 443 struct vmw_legacy_display; 444 struct vmw_overlay; 445 446 struct vmw_vga_topology_state { 447 uint32_t width; 448 uint32_t height; 449 uint32_t primary; 450 uint32_t pos_x; 451 uint32_t pos_y; 452 }; 453 454 455 /* 456 * struct vmw_otable - Guest Memory OBject table metadata 457 * 458 * @size: Size of the table (page-aligned). 459 * @page_table: Pointer to a struct vmw_mob holding the page table. 460 */ 461 struct vmw_otable { 462 unsigned long size; 463 struct vmw_mob *page_table; 464 bool enabled; 465 }; 466 467 struct vmw_otable_batch { 468 unsigned num_otables; 469 struct vmw_otable *otables; 470 struct vmw_resource *context; 471 struct ttm_buffer_object *otable_bo; 472 }; 473 474 enum { 475 VMW_IRQTHREAD_FENCE, 476 VMW_IRQTHREAD_CMDBUF, 477 VMW_IRQTHREAD_MAX 478 }; 479 480 /** 481 * enum vmw_sm_type - Graphics context capability supported by device. 482 * @VMW_SM_LEGACY: Pre DX context. 483 * @VMW_SM_4: Context support upto SM4. 484 * @VMW_SM_4_1: Context support upto SM4_1. 485 * @VMW_SM_5: Context support up to SM5. 486 * @VMW_SM_MAX: Should be the last. 487 */ 488 enum vmw_sm_type { 489 VMW_SM_LEGACY = 0, 490 VMW_SM_4, 491 VMW_SM_4_1, 492 VMW_SM_5, 493 VMW_SM_MAX 494 }; 495 496 struct vmw_private { 497 struct ttm_bo_device bdev; 498 499 struct vmw_fifo_state fifo; 500 501 struct drm_device *dev; 502 struct drm_vma_offset_manager vma_manager; 503 unsigned long vmw_chipset; 504 unsigned int io_start; 505 uint32_t vram_start; 506 uint32_t vram_size; 507 uint32_t prim_bb_mem; 508 uint32_t mmio_start; 509 uint32_t mmio_size; 510 uint32_t fb_max_width; 511 uint32_t fb_max_height; 512 uint32_t texture_max_width; 513 uint32_t texture_max_height; 514 uint32_t stdu_max_width; 515 uint32_t stdu_max_height; 516 uint32_t initial_width; 517 uint32_t initial_height; 518 u32 *mmio_virt; 519 uint32_t capabilities; 520 uint32_t capabilities2; 521 uint32_t max_gmr_ids; 522 uint32_t max_gmr_pages; 523 uint32_t max_mob_pages; 524 uint32_t max_mob_size; 525 uint32_t memory_size; 526 bool has_gmr; 527 bool has_mob; 528 spinlock_t hw_lock; 529 spinlock_t cap_lock; 530 bool assume_16bpp; 531 532 enum vmw_sm_type sm_type; 533 534 /* 535 * Framebuffer info. 536 */ 537 538 void *fb_info; 539 enum vmw_display_unit_type active_display_unit; 540 struct vmw_legacy_display *ldu_priv; 541 struct vmw_overlay *overlay_priv; 542 struct drm_property *hotplug_mode_update_property; 543 struct drm_property *implicit_placement_property; 544 struct mutex global_kms_state_mutex; 545 spinlock_t cursor_lock; 546 struct drm_atomic_state *suspend_state; 547 548 /* 549 * Context and surface management. 550 */ 551 552 spinlock_t resource_lock; 553 struct idr res_idr[vmw_res_max]; 554 555 /* 556 * A resource manager for kernel-only surfaces and 557 * contexts. 558 */ 559 560 struct ttm_object_device *tdev; 561 562 /* 563 * Fencing and IRQs. 564 */ 565 566 atomic_t marker_seq; 567 wait_queue_head_t fence_queue; 568 wait_queue_head_t fifo_queue; 569 spinlock_t waiter_lock; 570 int fence_queue_waiters; /* Protected by waiter_lock */ 571 int goal_queue_waiters; /* Protected by waiter_lock */ 572 int cmdbuf_waiters; /* Protected by waiter_lock */ 573 int error_waiters; /* Protected by waiter_lock */ 574 int fifo_queue_waiters; /* Protected by waiter_lock */ 575 uint32_t last_read_seqno; 576 struct vmw_fence_manager *fman; 577 uint32_t irq_mask; /* Updates protected by waiter_lock */ 578 579 /* 580 * Device state 581 */ 582 583 uint32_t traces_state; 584 uint32_t enable_state; 585 uint32_t config_done_state; 586 587 /** 588 * Execbuf 589 */ 590 /** 591 * Protected by the cmdbuf mutex. 592 */ 593 594 struct vmw_sw_context ctx; 595 struct mutex cmdbuf_mutex; 596 struct mutex binding_mutex; 597 598 /** 599 * Operating mode. 600 */ 601 602 bool stealth; 603 bool enable_fb; 604 spinlock_t svga_lock; 605 606 /** 607 * PM management. 608 */ 609 struct notifier_block pm_nb; 610 bool refuse_hibernation; 611 bool suspend_locked; 612 613 struct mutex release_mutex; 614 atomic_t num_fifo_resources; 615 616 /* 617 * Replace this with an rwsem as soon as we have down_xx_interruptible() 618 */ 619 struct ttm_lock reservation_sem; 620 621 /* 622 * Query processing. These members 623 * are protected by the cmdbuf mutex. 624 */ 625 626 struct vmw_buffer_object *dummy_query_bo; 627 struct vmw_buffer_object *pinned_bo; 628 uint32_t query_cid; 629 uint32_t query_cid_valid; 630 bool dummy_query_bo_pinned; 631 632 /* 633 * Surface swapping. The "surface_lru" list is protected by the 634 * resource lock in order to be able to destroy a surface and take 635 * it off the lru atomically. "used_memory_size" is currently 636 * protected by the cmdbuf mutex for simplicity. 637 */ 638 639 struct list_head res_lru[vmw_res_max]; 640 uint32_t used_memory_size; 641 642 /* 643 * DMA mapping stuff. 644 */ 645 enum vmw_dma_map_mode map_mode; 646 647 /* 648 * Guest Backed stuff 649 */ 650 struct vmw_otable_batch otable_batch; 651 652 struct vmw_cmdbuf_man *cman; 653 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 654 655 /* Validation memory reservation */ 656 struct vmw_validation_mem vvm; 657 }; 658 659 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 660 { 661 return container_of(res, struct vmw_surface, res); 662 } 663 664 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 665 { 666 return (struct vmw_private *)dev->dev_private; 667 } 668 669 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 670 { 671 return (struct vmw_fpriv *)file_priv->driver_priv; 672 } 673 674 /* 675 * The locking here is fine-grained, so that it is performed once 676 * for every read- and write operation. This is of course costly, but we 677 * don't perform much register access in the timing critical paths anyway. 678 * Instead we have the extra benefit of being sure that we don't forget 679 * the hw lock around register accesses. 680 */ 681 static inline void vmw_write(struct vmw_private *dev_priv, 682 unsigned int offset, uint32_t value) 683 { 684 spin_lock(&dev_priv->hw_lock); 685 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 686 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 687 spin_unlock(&dev_priv->hw_lock); 688 } 689 690 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 691 unsigned int offset) 692 { 693 u32 val; 694 695 spin_lock(&dev_priv->hw_lock); 696 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 697 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 698 spin_unlock(&dev_priv->hw_lock); 699 700 return val; 701 } 702 703 /** 704 * has_sm4_context - Does the device support SM4 context. 705 * @dev_priv: Device private. 706 * 707 * Return: Bool value if device support SM4 context or not. 708 */ 709 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 710 { 711 return (dev_priv->sm_type >= VMW_SM_4); 712 } 713 714 /** 715 * has_sm4_1_context - Does the device support SM4_1 context. 716 * @dev_priv: Device private. 717 * 718 * Return: Bool value if device support SM4_1 context or not. 719 */ 720 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 721 { 722 return (dev_priv->sm_type >= VMW_SM_4_1); 723 } 724 725 /** 726 * has_sm5_context - Does the device support SM5 context. 727 * @dev_priv: Device private. 728 * 729 * Return: Bool value if device support SM5 context or not. 730 */ 731 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 732 { 733 return (dev_priv->sm_type >= VMW_SM_5); 734 } 735 736 extern void vmw_svga_enable(struct vmw_private *dev_priv); 737 extern void vmw_svga_disable(struct vmw_private *dev_priv); 738 739 740 /** 741 * GMR utilities - vmwgfx_gmr.c 742 */ 743 744 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 745 const struct vmw_sg_table *vsgt, 746 unsigned long num_pages, 747 int gmr_id); 748 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 749 750 /** 751 * Resource utilities - vmwgfx_resource.c 752 */ 753 struct vmw_user_resource_conv; 754 755 extern void vmw_resource_unreference(struct vmw_resource **p_res); 756 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 757 extern struct vmw_resource * 758 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 759 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 760 bool dirtying); 761 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 762 bool no_backup); 763 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 764 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 765 struct ttm_object_file *tfile, 766 uint32_t handle, 767 struct vmw_surface **out_surf, 768 struct vmw_buffer_object **out_buf); 769 extern int vmw_user_resource_lookup_handle( 770 struct vmw_private *dev_priv, 771 struct ttm_object_file *tfile, 772 uint32_t handle, 773 const struct vmw_user_resource_conv *converter, 774 struct vmw_resource **p_res); 775 extern struct vmw_resource * 776 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 777 struct ttm_object_file *tfile, 778 uint32_t handle, 779 const struct vmw_user_resource_conv * 780 converter); 781 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 782 struct drm_file *file_priv); 783 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 784 struct drm_file *file_priv); 785 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 786 struct ttm_object_file *tfile, 787 uint32_t *inout_id, 788 struct vmw_resource **out); 789 extern void vmw_resource_unreserve(struct vmw_resource *res, 790 bool dirty_set, 791 bool dirty, 792 bool switch_backup, 793 struct vmw_buffer_object *new_backup, 794 unsigned long new_backup_offset); 795 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 796 struct ttm_mem_reg *mem); 797 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 798 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 799 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 800 void vmw_resource_mob_attach(struct vmw_resource *res); 801 void vmw_resource_mob_detach(struct vmw_resource *res); 802 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 803 pgoff_t end); 804 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 805 pgoff_t end, pgoff_t *num_prefault); 806 807 /** 808 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 809 * @res: The resource 810 * 811 * Return: true if the resource has a mob attached, false otherwise. 812 */ 813 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 814 { 815 return !RB_EMPTY_NODE(&res->mob_node); 816 } 817 818 /** 819 * vmw_user_resource_noref_release - release a user resource pointer looked up 820 * without reference 821 */ 822 static inline void vmw_user_resource_noref_release(void) 823 { 824 ttm_base_object_noref_release(); 825 } 826 827 /** 828 * Buffer object helper functions - vmwgfx_bo.c 829 */ 830 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 831 struct vmw_buffer_object *bo, 832 struct ttm_placement *placement, 833 bool interruptible); 834 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 835 struct vmw_buffer_object *buf, 836 bool interruptible); 837 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 838 struct vmw_buffer_object *buf, 839 bool interruptible); 840 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 841 struct vmw_buffer_object *bo, 842 bool interruptible); 843 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 844 struct vmw_buffer_object *bo, 845 bool interruptible); 846 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 847 SVGAGuestPtr *ptr); 848 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 849 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 850 extern int vmw_bo_init(struct vmw_private *dev_priv, 851 struct vmw_buffer_object *vmw_bo, 852 size_t size, struct ttm_placement *placement, 853 bool interruptible, 854 void (*bo_free)(struct ttm_buffer_object *bo)); 855 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 856 struct ttm_object_file *tfile); 857 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 858 struct ttm_object_file *tfile, 859 uint32_t size, 860 bool shareable, 861 uint32_t *handle, 862 struct vmw_buffer_object **p_dma_buf, 863 struct ttm_base_object **p_base); 864 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 865 struct vmw_buffer_object *dma_buf, 866 uint32_t *handle); 867 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 872 struct drm_file *file_priv); 873 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 874 uint32_t id, struct vmw_buffer_object **out, 875 struct ttm_base_object **base); 876 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 877 struct vmw_fence_obj *fence); 878 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 879 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 880 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 881 struct ttm_mem_reg *mem); 882 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 883 extern struct vmw_buffer_object * 884 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 885 886 /** 887 * vmw_user_bo_noref_release - release a buffer object pointer looked up 888 * without reference 889 */ 890 static inline void vmw_user_bo_noref_release(void) 891 { 892 ttm_base_object_noref_release(); 893 } 894 895 /** 896 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 897 * according to attached resources 898 * @vbo: The struct vmw_buffer_object 899 */ 900 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 901 { 902 int i = ARRAY_SIZE(vbo->res_prios); 903 904 while (i--) { 905 if (vbo->res_prios[i]) { 906 vbo->base.priority = i; 907 return; 908 } 909 } 910 911 vbo->base.priority = 3; 912 } 913 914 /** 915 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 916 * eviction priority 917 * @vbo: The struct vmw_buffer_object 918 * @prio: The resource priority 919 * 920 * After being notified, the code assigns the highest resource eviction priority 921 * to the backing buffer object (mob). 922 */ 923 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 924 { 925 if (vbo->res_prios[prio]++ == 0) 926 vmw_bo_prio_adjust(vbo); 927 } 928 929 /** 930 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 931 * priority being removed 932 * @vbo: The struct vmw_buffer_object 933 * @prio: The resource priority 934 * 935 * After being notified, the code assigns the highest resource eviction priority 936 * to the backing buffer object (mob). 937 */ 938 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 939 { 940 if (--vbo->res_prios[prio] == 0) 941 vmw_bo_prio_adjust(vbo); 942 } 943 944 /** 945 * Misc Ioctl functionality - vmwgfx_ioctl.c 946 */ 947 948 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 949 struct drm_file *file_priv); 950 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 951 struct drm_file *file_priv); 952 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 953 struct drm_file *file_priv); 954 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 955 struct drm_file *file_priv); 956 extern __poll_t vmw_fops_poll(struct file *filp, 957 struct poll_table_struct *wait); 958 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 959 size_t count, loff_t *offset); 960 961 /** 962 * Fifo utilities - vmwgfx_fifo.c 963 */ 964 965 extern int vmw_fifo_init(struct vmw_private *dev_priv, 966 struct vmw_fifo_state *fifo); 967 extern void vmw_fifo_release(struct vmw_private *dev_priv, 968 struct vmw_fifo_state *fifo); 969 extern void * 970 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 971 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 972 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 973 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 974 uint32_t *seqno); 975 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 976 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 977 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 978 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 979 uint32_t cid); 980 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 981 bool interruptible); 982 983 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 984 ({ \ 985 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 986 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 987 __func__, (unsigned int) __bytes); \ 988 NULL; \ 989 }); \ 990 }) 991 992 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 993 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 994 995 /** 996 * TTM glue - vmwgfx_ttm_glue.c 997 */ 998 999 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 1000 1001 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 1002 size_t gran); 1003 1004 /** 1005 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1006 */ 1007 1008 extern const size_t vmw_tt_size; 1009 extern struct ttm_placement vmw_vram_placement; 1010 extern struct ttm_placement vmw_vram_ne_placement; 1011 extern struct ttm_placement vmw_vram_sys_placement; 1012 extern struct ttm_placement vmw_vram_gmr_placement; 1013 extern struct ttm_placement vmw_vram_gmr_ne_placement; 1014 extern struct ttm_placement vmw_sys_placement; 1015 extern struct ttm_placement vmw_sys_ne_placement; 1016 extern struct ttm_placement vmw_evictable_placement; 1017 extern struct ttm_placement vmw_srf_placement; 1018 extern struct ttm_placement vmw_mob_placement; 1019 extern struct ttm_placement vmw_mob_ne_placement; 1020 extern struct ttm_placement vmw_nonfixed_placement; 1021 extern struct ttm_bo_driver vmw_bo_driver; 1022 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 1023 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 1024 extern const struct vmw_sg_table * 1025 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1026 extern void vmw_piter_start(struct vmw_piter *viter, 1027 const struct vmw_sg_table *vsgt, 1028 unsigned long p_offs); 1029 1030 /** 1031 * vmw_piter_next - Advance the iterator one page. 1032 * 1033 * @viter: Pointer to the iterator to advance. 1034 * 1035 * Returns false if past the list of pages, true otherwise. 1036 */ 1037 static inline bool vmw_piter_next(struct vmw_piter *viter) 1038 { 1039 return viter->next(viter); 1040 } 1041 1042 /** 1043 * vmw_piter_dma_addr - Return the DMA address of the current page. 1044 * 1045 * @viter: Pointer to the iterator 1046 * 1047 * Returns the DMA address of the page pointed to by @viter. 1048 */ 1049 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1050 { 1051 return viter->dma_address(viter); 1052 } 1053 1054 /** 1055 * vmw_piter_page - Return a pointer to the current page. 1056 * 1057 * @viter: Pointer to the iterator 1058 * 1059 * Returns the DMA address of the page pointed to by @viter. 1060 */ 1061 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1062 { 1063 return viter->page(viter); 1064 } 1065 1066 /** 1067 * Command submission - vmwgfx_execbuf.c 1068 */ 1069 1070 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1071 struct drm_file *file_priv); 1072 extern int vmw_execbuf_process(struct drm_file *file_priv, 1073 struct vmw_private *dev_priv, 1074 void __user *user_commands, 1075 void *kernel_commands, 1076 uint32_t command_size, 1077 uint64_t throttle_us, 1078 uint32_t dx_context_handle, 1079 struct drm_vmw_fence_rep __user 1080 *user_fence_rep, 1081 struct vmw_fence_obj **out_fence, 1082 uint32_t flags); 1083 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1084 struct vmw_fence_obj *fence); 1085 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1086 1087 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1088 struct vmw_private *dev_priv, 1089 struct vmw_fence_obj **p_fence, 1090 uint32_t *p_handle); 1091 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1092 struct vmw_fpriv *vmw_fp, 1093 int ret, 1094 struct drm_vmw_fence_rep __user 1095 *user_fence_rep, 1096 struct vmw_fence_obj *fence, 1097 uint32_t fence_handle, 1098 int32_t out_fence_fd, 1099 struct sync_file *sync_file); 1100 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1101 1102 /** 1103 * IRQs and wating - vmwgfx_irq.c 1104 */ 1105 1106 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1107 uint32_t seqno, bool interruptible, 1108 unsigned long timeout); 1109 extern int vmw_irq_install(struct drm_device *dev, int irq); 1110 extern void vmw_irq_uninstall(struct drm_device *dev); 1111 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1112 uint32_t seqno); 1113 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1114 bool lazy, 1115 bool fifo_idle, 1116 uint32_t seqno, 1117 bool interruptible, 1118 unsigned long timeout); 1119 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1120 struct vmw_fifo_state *fifo_state); 1121 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1122 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1123 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1124 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1125 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1126 int *waiter_count); 1127 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1128 u32 flag, int *waiter_count); 1129 1130 /** 1131 * Rudimentary fence-like objects currently used only for throttling - 1132 * vmwgfx_marker.c 1133 */ 1134 1135 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1136 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1137 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1138 uint32_t seqno); 1139 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1140 uint32_t signaled_seqno); 1141 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1142 struct vmw_marker_queue *queue, uint32_t us); 1143 1144 /** 1145 * Kernel framebuffer - vmwgfx_fb.c 1146 */ 1147 1148 int vmw_fb_init(struct vmw_private *vmw_priv); 1149 int vmw_fb_close(struct vmw_private *dev_priv); 1150 int vmw_fb_off(struct vmw_private *vmw_priv); 1151 int vmw_fb_on(struct vmw_private *vmw_priv); 1152 1153 /** 1154 * Kernel modesetting - vmwgfx_kms.c 1155 */ 1156 1157 int vmw_kms_init(struct vmw_private *dev_priv); 1158 int vmw_kms_close(struct vmw_private *dev_priv); 1159 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1160 struct drm_file *file_priv); 1161 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1162 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1163 struct ttm_object_file *tfile, 1164 struct ttm_buffer_object *bo, 1165 SVGA3dCmdHeader *header); 1166 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1167 unsigned width, unsigned height, unsigned pitch, 1168 unsigned bpp, unsigned depth); 1169 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1170 uint32_t pitch, 1171 uint32_t height); 1172 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1173 int vmw_enable_vblank(struct drm_crtc *crtc); 1174 void vmw_disable_vblank(struct drm_crtc *crtc); 1175 int vmw_kms_present(struct vmw_private *dev_priv, 1176 struct drm_file *file_priv, 1177 struct vmw_framebuffer *vfb, 1178 struct vmw_surface *surface, 1179 uint32_t sid, int32_t destX, int32_t destY, 1180 struct drm_vmw_rect *clips, 1181 uint32_t num_clips); 1182 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1183 struct drm_file *file_priv); 1184 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1185 int vmw_kms_suspend(struct drm_device *dev); 1186 int vmw_kms_resume(struct drm_device *dev); 1187 void vmw_kms_lost_device(struct drm_device *dev); 1188 1189 int vmw_dumb_create(struct drm_file *file_priv, 1190 struct drm_device *dev, 1191 struct drm_mode_create_dumb *args); 1192 1193 int vmw_dumb_map_offset(struct drm_file *file_priv, 1194 struct drm_device *dev, uint32_t handle, 1195 uint64_t *offset); 1196 int vmw_dumb_destroy(struct drm_file *file_priv, 1197 struct drm_device *dev, 1198 uint32_t handle); 1199 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1200 extern void vmw_resource_unpin(struct vmw_resource *res); 1201 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1202 1203 /** 1204 * Overlay control - vmwgfx_overlay.c 1205 */ 1206 1207 int vmw_overlay_init(struct vmw_private *dev_priv); 1208 int vmw_overlay_close(struct vmw_private *dev_priv); 1209 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1210 struct drm_file *file_priv); 1211 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1212 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1213 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1214 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1215 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1216 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1217 1218 /** 1219 * GMR Id manager 1220 */ 1221 1222 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1223 1224 /** 1225 * Prime - vmwgfx_prime.c 1226 */ 1227 1228 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1229 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1230 struct drm_file *file_priv, 1231 int fd, u32 *handle); 1232 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1233 struct drm_file *file_priv, 1234 uint32_t handle, uint32_t flags, 1235 int *prime_fd); 1236 1237 /* 1238 * MemoryOBject management - vmwgfx_mob.c 1239 */ 1240 struct vmw_mob; 1241 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1242 const struct vmw_sg_table *vsgt, 1243 unsigned long num_data_pages, int32_t mob_id); 1244 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1245 struct vmw_mob *mob); 1246 extern void vmw_mob_destroy(struct vmw_mob *mob); 1247 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1248 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1249 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1250 1251 /* 1252 * Context management - vmwgfx_context.c 1253 */ 1254 1255 extern const struct vmw_user_resource_conv *user_context_converter; 1256 1257 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1258 struct drm_file *file_priv); 1259 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1260 struct drm_file *file_priv); 1261 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1262 struct drm_file *file_priv); 1263 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1264 extern struct vmw_cmdbuf_res_manager * 1265 vmw_context_res_man(struct vmw_resource *ctx); 1266 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1267 SVGACOTableType cotable_type); 1268 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1269 struct vmw_ctx_binding_state; 1270 extern struct vmw_ctx_binding_state * 1271 vmw_context_binding_state(struct vmw_resource *ctx); 1272 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1273 bool readback); 1274 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1275 struct vmw_buffer_object *mob); 1276 extern struct vmw_buffer_object * 1277 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1278 1279 1280 /* 1281 * Surface management - vmwgfx_surface.c 1282 */ 1283 1284 extern const struct vmw_user_resource_conv *user_surface_converter; 1285 1286 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1287 struct drm_file *file_priv); 1288 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1289 struct drm_file *file_priv); 1290 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1291 struct drm_file *file_priv); 1292 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1293 struct drm_file *file_priv); 1294 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1295 struct drm_file *file_priv); 1296 int vmw_surface_gb_priv_define(struct drm_device *dev, 1297 uint32_t user_accounting_size, 1298 SVGA3dSurfaceAllFlags svga3d_flags, 1299 SVGA3dSurfaceFormat format, 1300 bool for_scanout, 1301 uint32_t num_mip_levels, 1302 uint32_t multisample_count, 1303 uint32_t array_size, 1304 struct drm_vmw_size size, 1305 SVGA3dMSPattern multisample_pattern, 1306 SVGA3dMSQualityLevel quality_level, 1307 struct vmw_surface **srf_out); 1308 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1309 void *data, 1310 struct drm_file *file_priv); 1311 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1312 void *data, 1313 struct drm_file *file_priv); 1314 1315 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1316 uint32_t user_accounting_size, 1317 const struct vmw_surface_metadata *req, 1318 struct vmw_surface **srf_out); 1319 1320 /* 1321 * Shader management - vmwgfx_shader.c 1322 */ 1323 1324 extern const struct vmw_user_resource_conv *user_shader_converter; 1325 1326 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1327 struct drm_file *file_priv); 1328 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1329 struct drm_file *file_priv); 1330 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1331 struct vmw_cmdbuf_res_manager *man, 1332 u32 user_key, const void *bytecode, 1333 SVGA3dShaderType shader_type, 1334 size_t size, 1335 struct list_head *list); 1336 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1337 u32 user_key, SVGA3dShaderType shader_type, 1338 struct list_head *list); 1339 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1340 struct vmw_resource *ctx, 1341 u32 user_key, 1342 SVGA3dShaderType shader_type, 1343 struct list_head *list); 1344 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1345 struct list_head *list, 1346 bool readback); 1347 1348 extern struct vmw_resource * 1349 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1350 u32 user_key, SVGA3dShaderType shader_type); 1351 1352 /* 1353 * Streamoutput management 1354 */ 1355 struct vmw_resource * 1356 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1357 u32 user_key); 1358 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1359 struct vmw_resource *ctx, 1360 SVGA3dStreamOutputId user_key, 1361 struct list_head *list); 1362 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1363 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1364 SVGA3dStreamOutputId user_key, 1365 struct list_head *list); 1366 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1367 struct list_head *list, 1368 bool readback); 1369 1370 /* 1371 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1372 */ 1373 1374 extern struct vmw_cmdbuf_res_manager * 1375 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1376 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1377 extern size_t vmw_cmdbuf_res_man_size(void); 1378 extern struct vmw_resource * 1379 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1380 enum vmw_cmdbuf_res_type res_type, 1381 u32 user_key); 1382 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1383 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1384 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1385 enum vmw_cmdbuf_res_type res_type, 1386 u32 user_key, 1387 struct vmw_resource *res, 1388 struct list_head *list); 1389 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1390 enum vmw_cmdbuf_res_type res_type, 1391 u32 user_key, 1392 struct list_head *list, 1393 struct vmw_resource **res); 1394 1395 /* 1396 * COTable management - vmwgfx_cotable.c 1397 */ 1398 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1399 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1400 struct vmw_resource *ctx, 1401 u32 type); 1402 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1403 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1404 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1405 struct list_head *head); 1406 1407 /* 1408 * Command buffer managerment vmwgfx_cmdbuf.c 1409 */ 1410 struct vmw_cmdbuf_man; 1411 struct vmw_cmdbuf_header; 1412 1413 extern struct vmw_cmdbuf_man * 1414 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1415 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1416 size_t size, size_t default_size); 1417 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1418 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1419 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1420 unsigned long timeout); 1421 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1422 int ctx_id, bool interruptible, 1423 struct vmw_cmdbuf_header *header); 1424 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1425 struct vmw_cmdbuf_header *header, 1426 bool flush); 1427 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1428 size_t size, bool interruptible, 1429 struct vmw_cmdbuf_header **p_header); 1430 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1431 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1432 bool interruptible); 1433 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1434 1435 /* CPU blit utilities - vmwgfx_blit.c */ 1436 1437 /** 1438 * struct vmw_diff_cpy - CPU blit information structure 1439 * 1440 * @rect: The output bounding box rectangle. 1441 * @line: The current line of the blit. 1442 * @line_offset: Offset of the current line segment. 1443 * @cpp: Bytes per pixel (granularity information). 1444 * @memcpy: Which memcpy function to use. 1445 */ 1446 struct vmw_diff_cpy { 1447 struct drm_rect rect; 1448 size_t line; 1449 size_t line_offset; 1450 int cpp; 1451 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1452 size_t n); 1453 }; 1454 1455 #define VMW_CPU_BLIT_INITIALIZER { \ 1456 .do_cpy = vmw_memcpy, \ 1457 } 1458 1459 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1460 .line = 0, \ 1461 .line_offset = 0, \ 1462 .rect = { .x1 = INT_MAX/2, \ 1463 .y1 = INT_MAX/2, \ 1464 .x2 = INT_MIN/2, \ 1465 .y2 = INT_MIN/2 \ 1466 }, \ 1467 .cpp = _cpp, \ 1468 .do_cpy = vmw_diff_memcpy, \ 1469 } 1470 1471 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1472 size_t n); 1473 1474 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1475 1476 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1477 u32 dst_offset, u32 dst_stride, 1478 struct ttm_buffer_object *src, 1479 u32 src_offset, u32 src_stride, 1480 u32 w, u32 h, 1481 struct vmw_diff_cpy *diff); 1482 1483 /* Host messaging -vmwgfx_msg.c: */ 1484 int vmw_host_get_guestinfo(const char *guest_info_param, 1485 char *buffer, size_t *length); 1486 int vmw_host_log(const char *log); 1487 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1488 struct drm_file *file_priv); 1489 1490 /* VMW logging */ 1491 1492 /** 1493 * VMW_DEBUG_USER - Debug output for user-space debugging. 1494 * 1495 * @fmt: printf() like format string. 1496 * 1497 * This macro is for logging user-space error and debugging messages for e.g. 1498 * command buffer execution errors due to malformed commands, invalid context, 1499 * etc. 1500 */ 1501 #define VMW_DEBUG_USER(fmt, ...) \ 1502 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1503 1504 /* Resource dirtying - vmwgfx_page_dirty.c */ 1505 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1506 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1507 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1508 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1509 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1510 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1511 pgoff_t start, pgoff_t end); 1512 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1513 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1514 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1515 vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf, 1516 enum page_entry_size pe_size); 1517 #endif 1518 1519 /* Transparent hugepage support - vmwgfx_thp.c */ 1520 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1521 extern const struct ttm_mem_type_manager_func vmw_thp_func; 1522 #else 1523 #define vmw_thp_func ttm_bo_manager_func 1524 #endif 1525 1526 /** 1527 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1528 * 1529 * This macro is for debugging vmwgfx mode-setting code. 1530 */ 1531 #define VMW_DEBUG_KMS(fmt, ...) \ 1532 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1533 1534 /** 1535 * Inline helper functions 1536 */ 1537 1538 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1539 { 1540 struct vmw_surface *tmp_srf = *srf; 1541 struct vmw_resource *res = &tmp_srf->res; 1542 *srf = NULL; 1543 1544 vmw_resource_unreference(&res); 1545 } 1546 1547 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1548 { 1549 (void) vmw_resource_reference(&srf->res); 1550 return srf; 1551 } 1552 1553 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1554 { 1555 struct vmw_buffer_object *tmp_buf = *buf; 1556 1557 *buf = NULL; 1558 if (tmp_buf != NULL) { 1559 ttm_bo_put(&tmp_buf->base); 1560 } 1561 } 1562 1563 static inline struct vmw_buffer_object * 1564 vmw_bo_reference(struct vmw_buffer_object *buf) 1565 { 1566 ttm_bo_get(&buf->base); 1567 return buf; 1568 } 1569 1570 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1571 { 1572 return &ttm_mem_glob; 1573 } 1574 1575 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1576 { 1577 atomic_inc(&dev_priv->num_fifo_resources); 1578 } 1579 1580 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1581 { 1582 atomic_dec(&dev_priv->num_fifo_resources); 1583 } 1584 1585 /** 1586 * vmw_mmio_read - Perform a MMIO read from volatile memory 1587 * 1588 * @addr: The address to read from 1589 * 1590 * This function is intended to be equivalent to ioread32() on 1591 * memremap'd memory, but without byteswapping. 1592 */ 1593 static inline u32 vmw_mmio_read(u32 *addr) 1594 { 1595 return READ_ONCE(*addr); 1596 } 1597 1598 /** 1599 * vmw_mmio_write - Perform a MMIO write to volatile memory 1600 * 1601 * @addr: The address to write to 1602 * 1603 * This function is intended to be equivalent to iowrite32 on 1604 * memremap'd memory, but without byteswapping. 1605 */ 1606 static inline void vmw_mmio_write(u32 value, u32 *addr) 1607 { 1608 WRITE_ONCE(*addr, value); 1609 } 1610 #endif 1611