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_MOB (TTM_PL_PRIV + 1) 86 87 #define VMW_RES_CONTEXT ttm_driver_type0 88 #define VMW_RES_SURFACE ttm_driver_type1 89 #define VMW_RES_STREAM ttm_driver_type2 90 #define VMW_RES_FENCE ttm_driver_type3 91 #define VMW_RES_SHADER ttm_driver_type4 92 93 struct vmw_fpriv { 94 struct ttm_object_file *tfile; 95 bool gb_aware; /* user-space is guest-backed aware */ 96 }; 97 98 /** 99 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 100 * @base: The TTM buffer object 101 * @res_tree: RB tree of resources using this buffer object as a backing MOB 102 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 103 * increased. May be decreased without reservation. 104 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 105 * @map: Kmap object for semi-persistent mappings 106 * @res_prios: Eviction priority counts for attached resources 107 * @dirty: structure for user-space dirty-tracking 108 */ 109 struct vmw_buffer_object { 110 struct ttm_buffer_object base; 111 struct rb_root res_tree; 112 atomic_t cpu_writers; 113 /* Not ref-counted. Protected by binding_mutex */ 114 struct vmw_resource *dx_query_ctx; 115 /* Protected by reservation */ 116 struct ttm_bo_kmap_obj map; 117 u32 res_prios[TTM_MAX_BO_PRIORITY]; 118 struct vmw_bo_dirty *dirty; 119 }; 120 121 /** 122 * struct vmw_validate_buffer - Carries validation info about buffers. 123 * 124 * @base: Validation info for TTM. 125 * @hash: Hash entry for quick lookup of the TTM buffer object. 126 * 127 * This structure contains also driver private validation info 128 * on top of the info needed by TTM. 129 */ 130 struct vmw_validate_buffer { 131 struct ttm_validate_buffer base; 132 struct drm_hash_item hash; 133 bool validate_as_mob; 134 }; 135 136 struct vmw_res_func; 137 138 139 /** 140 * struct vmw-resource - base class for hardware resources 141 * 142 * @kref: For refcounting. 143 * @dev_priv: Pointer to the device private for this resource. Immutable. 144 * @id: Device id. Protected by @dev_priv::resource_lock. 145 * @backup_size: Backup buffer size. Immutable. 146 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 147 * by resource reserved. 148 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 149 * Protected by resource reserved. 150 * @coherent: Emulate coherency by tracking vm accesses. 151 * @backup: The backup buffer if any. Protected by resource reserved. 152 * @backup_offset: Offset into the backup buffer if any. Protected by resource 153 * reserved. Note that only a few resource types can have a @backup_offset 154 * different from zero. 155 * @pin_count: The pin count for this resource. A pinned resource has a 156 * pin-count greater than zero. It is not on the resource LRU lists and its 157 * backup buffer is pinned. Hence it can't be evicted. 158 * @func: Method vtable for this resource. Immutable. 159 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 160 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 161 * @binding_head: List head for the context binding list. Protected by 162 * the @dev_priv::binding_mutex 163 * @res_free: The resource destructor. 164 * @hw_destroy: Callback to destroy the resource on the device, as part of 165 * resource destruction. 166 */ 167 struct vmw_resource_dirty; 168 struct vmw_resource { 169 struct kref kref; 170 struct vmw_private *dev_priv; 171 int id; 172 u32 used_prio; 173 unsigned long backup_size; 174 u32 res_dirty : 1; 175 u32 backup_dirty : 1; 176 u32 coherent : 1; 177 struct vmw_buffer_object *backup; 178 unsigned long backup_offset; 179 unsigned long pin_count; 180 const struct vmw_res_func *func; 181 struct rb_node mob_node; 182 struct list_head lru_head; 183 struct list_head binding_head; 184 struct vmw_resource_dirty *dirty; 185 void (*res_free) (struct vmw_resource *res); 186 void (*hw_destroy) (struct vmw_resource *res); 187 }; 188 189 190 /* 191 * Resources that are managed using ioctls. 192 */ 193 enum vmw_res_type { 194 vmw_res_context, 195 vmw_res_surface, 196 vmw_res_stream, 197 vmw_res_shader, 198 vmw_res_dx_context, 199 vmw_res_cotable, 200 vmw_res_view, 201 vmw_res_streamoutput, 202 vmw_res_max 203 }; 204 205 /* 206 * Resources that are managed using command streams. 207 */ 208 enum vmw_cmdbuf_res_type { 209 vmw_cmdbuf_res_shader, 210 vmw_cmdbuf_res_view, 211 vmw_cmdbuf_res_streamoutput 212 }; 213 214 struct vmw_cmdbuf_res_manager; 215 216 struct vmw_cursor_snooper { 217 size_t age; 218 uint32_t *image; 219 }; 220 221 struct vmw_framebuffer; 222 struct vmw_surface_offset; 223 224 /** 225 * struct vmw_surface_metadata - Metadata describing a surface. 226 * 227 * @flags: Device flags. 228 * @format: Surface SVGA3D_x format. 229 * @mip_levels: Mip level for each face. For GB first index is used only. 230 * @multisample_count: Sample count. 231 * @multisample_pattern: Sample patterns. 232 * @quality_level: Quality level. 233 * @autogen_filter: Filter for automatically generated mipmaps. 234 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 235 texture number of faces * array_size. This should be 0 for pre 236 SM4 device. 237 * @buffer_byte_stride: Buffer byte stride. 238 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 239 * @base_size: Surface dimension. 240 * @sizes: Array representing mip sizes. Legacy only. 241 * @scanout: Whether this surface will be used for scanout. 242 * 243 * This tracks metadata for both legacy and guest backed surface. 244 */ 245 struct vmw_surface_metadata { 246 u64 flags; 247 u32 format; 248 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 249 u32 multisample_count; 250 u32 multisample_pattern; 251 u32 quality_level; 252 u32 autogen_filter; 253 u32 array_size; 254 u32 num_sizes; 255 u32 buffer_byte_stride; 256 struct drm_vmw_size base_size; 257 struct drm_vmw_size *sizes; 258 bool scanout; 259 }; 260 261 /** 262 * struct vmw_surface: Resource structure for a surface. 263 * 264 * @res: The base resource for this surface. 265 * @metadata: Metadata for this surface resource. 266 * @snooper: Cursor data. Legacy surface only. 267 * @offsets: Legacy surface only. 268 * @view_list: List of views bound to this surface. 269 */ 270 struct vmw_surface { 271 struct vmw_resource res; 272 struct vmw_surface_metadata metadata; 273 struct vmw_cursor_snooper snooper; 274 struct vmw_surface_offset *offsets; 275 struct list_head view_list; 276 }; 277 278 struct vmw_marker_queue { 279 struct list_head head; 280 u64 lag; 281 u64 lag_time; 282 spinlock_t lock; 283 }; 284 285 struct vmw_fifo_state { 286 unsigned long reserved_size; 287 u32 *dynamic_buffer; 288 u32 *static_buffer; 289 unsigned long static_buffer_size; 290 bool using_bounce_buffer; 291 uint32_t capabilities; 292 struct mutex fifo_mutex; 293 struct rw_semaphore rwsem; 294 struct vmw_marker_queue marker_queue; 295 bool dx; 296 }; 297 298 /** 299 * struct vmw_res_cache_entry - resource information cache entry 300 * @handle: User-space handle of a resource. 301 * @res: Non-ref-counted pointer to the resource. 302 * @valid_handle: Whether the @handle member is valid. 303 * @valid: Whether the entry is valid, which also implies that the execbuf 304 * code holds a reference to the resource, and it's placed on the 305 * validation list. 306 * 307 * Used to avoid frequent repeated user-space handle lookups of the 308 * same resource. 309 */ 310 struct vmw_res_cache_entry { 311 uint32_t handle; 312 struct vmw_resource *res; 313 void *private; 314 unsigned short valid_handle; 315 unsigned short valid; 316 }; 317 318 /** 319 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 320 */ 321 enum vmw_dma_map_mode { 322 vmw_dma_phys, /* Use physical page addresses */ 323 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 324 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 325 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 326 vmw_dma_map_max 327 }; 328 329 /** 330 * struct vmw_sg_table - Scatter/gather table for binding, with additional 331 * device-specific information. 332 * 333 * @sgt: Pointer to a struct sg_table with binding information 334 * @num_regions: Number of regions with device-address contiguous pages 335 */ 336 struct vmw_sg_table { 337 enum vmw_dma_map_mode mode; 338 struct page **pages; 339 const dma_addr_t *addrs; 340 struct sg_table *sgt; 341 unsigned long num_regions; 342 unsigned long num_pages; 343 }; 344 345 /** 346 * struct vmw_piter - Page iterator that iterates over a list of pages 347 * and DMA addresses that could be either a scatter-gather list or 348 * arrays 349 * 350 * @pages: Array of page pointers to the pages. 351 * @addrs: DMA addresses to the pages if coherent pages are used. 352 * @iter: Scatter-gather page iterator. Current position in SG list. 353 * @i: Current position in arrays. 354 * @num_pages: Number of pages total. 355 * @next: Function to advance the iterator. Returns false if past the list 356 * of pages, true otherwise. 357 * @dma_address: Function to return the DMA address of the current page. 358 */ 359 struct vmw_piter { 360 struct page **pages; 361 const dma_addr_t *addrs; 362 struct sg_dma_page_iter iter; 363 unsigned long i; 364 unsigned long num_pages; 365 bool (*next)(struct vmw_piter *); 366 dma_addr_t (*dma_address)(struct vmw_piter *); 367 struct page *(*page)(struct vmw_piter *); 368 }; 369 370 /* 371 * enum vmw_display_unit_type - Describes the display unit 372 */ 373 enum vmw_display_unit_type { 374 vmw_du_invalid = 0, 375 vmw_du_legacy, 376 vmw_du_screen_object, 377 vmw_du_screen_target 378 }; 379 380 struct vmw_validation_context; 381 struct vmw_ctx_validation_info; 382 383 /** 384 * struct vmw_sw_context - Command submission context 385 * @res_ht: Pointer hash table used to find validation duplicates 386 * @kernel: Whether the command buffer originates from kernel code rather 387 * than from user-space 388 * @fp: If @kernel is false, points to the file of the client. Otherwise 389 * NULL 390 * @cmd_bounce: Command bounce buffer used for command validation before 391 * copying to fifo space 392 * @cmd_bounce_size: Current command bounce buffer size 393 * @cur_query_bo: Current buffer object used as query result buffer 394 * @bo_relocations: List of buffer object relocations 395 * @res_relocations: List of resource relocations 396 * @buf_start: Pointer to start of memory where command validation takes 397 * place 398 * @res_cache: Cache of recently looked up resources 399 * @last_query_ctx: Last context that submitted a query 400 * @needs_post_query_barrier: Whether a query barrier is needed after 401 * command submission 402 * @staged_bindings: Cached per-context binding tracker 403 * @staged_bindings_inuse: Whether the cached per-context binding tracker 404 * is in use 405 * @staged_cmd_res: List of staged command buffer managed resources in this 406 * command buffer 407 * @ctx_list: List of context resources referenced in this command buffer 408 * @dx_ctx_node: Validation metadata of the current DX context 409 * @dx_query_mob: The MOB used for DX queries 410 * @dx_query_ctx: The DX context used for the last DX query 411 * @man: Pointer to the command buffer managed resource manager 412 * @ctx: The validation context 413 */ 414 struct vmw_sw_context{ 415 struct drm_open_hash res_ht; 416 bool res_ht_initialized; 417 bool kernel; 418 struct vmw_fpriv *fp; 419 uint32_t *cmd_bounce; 420 uint32_t cmd_bounce_size; 421 struct vmw_buffer_object *cur_query_bo; 422 struct list_head bo_relocations; 423 struct list_head res_relocations; 424 uint32_t *buf_start; 425 struct vmw_res_cache_entry res_cache[vmw_res_max]; 426 struct vmw_resource *last_query_ctx; 427 bool needs_post_query_barrier; 428 struct vmw_ctx_binding_state *staged_bindings; 429 bool staged_bindings_inuse; 430 struct list_head staged_cmd_res; 431 struct list_head ctx_list; 432 struct vmw_ctx_validation_info *dx_ctx_node; 433 struct vmw_buffer_object *dx_query_mob; 434 struct vmw_resource *dx_query_ctx; 435 struct vmw_cmdbuf_res_manager *man; 436 struct vmw_validation_context *ctx; 437 }; 438 439 struct vmw_legacy_display; 440 struct vmw_overlay; 441 442 struct vmw_vga_topology_state { 443 uint32_t width; 444 uint32_t height; 445 uint32_t primary; 446 uint32_t pos_x; 447 uint32_t pos_y; 448 }; 449 450 451 /* 452 * struct vmw_otable - Guest Memory OBject table metadata 453 * 454 * @size: Size of the table (page-aligned). 455 * @page_table: Pointer to a struct vmw_mob holding the page table. 456 */ 457 struct vmw_otable { 458 unsigned long size; 459 struct vmw_mob *page_table; 460 bool enabled; 461 }; 462 463 struct vmw_otable_batch { 464 unsigned num_otables; 465 struct vmw_otable *otables; 466 struct vmw_resource *context; 467 struct ttm_buffer_object *otable_bo; 468 }; 469 470 enum { 471 VMW_IRQTHREAD_FENCE, 472 VMW_IRQTHREAD_CMDBUF, 473 VMW_IRQTHREAD_MAX 474 }; 475 476 /** 477 * enum vmw_sm_type - Graphics context capability supported by device. 478 * @VMW_SM_LEGACY: Pre DX context. 479 * @VMW_SM_4: Context support upto SM4. 480 * @VMW_SM_4_1: Context support upto SM4_1. 481 * @VMW_SM_5: Context support up to SM5. 482 * @VMW_SM_MAX: Should be the last. 483 */ 484 enum vmw_sm_type { 485 VMW_SM_LEGACY = 0, 486 VMW_SM_4, 487 VMW_SM_4_1, 488 VMW_SM_5, 489 VMW_SM_MAX 490 }; 491 492 struct vmw_private { 493 struct ttm_bo_device bdev; 494 495 struct vmw_fifo_state fifo; 496 497 struct drm_device *dev; 498 struct drm_vma_offset_manager vma_manager; 499 unsigned long vmw_chipset; 500 unsigned int io_start; 501 uint32_t vram_start; 502 uint32_t vram_size; 503 uint32_t prim_bb_mem; 504 uint32_t mmio_start; 505 uint32_t mmio_size; 506 uint32_t fb_max_width; 507 uint32_t fb_max_height; 508 uint32_t texture_max_width; 509 uint32_t texture_max_height; 510 uint32_t stdu_max_width; 511 uint32_t stdu_max_height; 512 uint32_t initial_width; 513 uint32_t initial_height; 514 u32 *mmio_virt; 515 uint32_t capabilities; 516 uint32_t capabilities2; 517 uint32_t max_gmr_ids; 518 uint32_t max_gmr_pages; 519 uint32_t max_mob_pages; 520 uint32_t max_mob_size; 521 uint32_t memory_size; 522 bool has_gmr; 523 bool has_mob; 524 spinlock_t hw_lock; 525 spinlock_t cap_lock; 526 bool assume_16bpp; 527 528 enum vmw_sm_type sm_type; 529 530 /* 531 * Framebuffer info. 532 */ 533 534 void *fb_info; 535 enum vmw_display_unit_type active_display_unit; 536 struct vmw_legacy_display *ldu_priv; 537 struct vmw_overlay *overlay_priv; 538 struct drm_property *hotplug_mode_update_property; 539 struct drm_property *implicit_placement_property; 540 struct mutex global_kms_state_mutex; 541 spinlock_t cursor_lock; 542 struct drm_atomic_state *suspend_state; 543 544 /* 545 * Context and surface management. 546 */ 547 548 spinlock_t resource_lock; 549 struct idr res_idr[vmw_res_max]; 550 551 /* 552 * A resource manager for kernel-only surfaces and 553 * contexts. 554 */ 555 556 struct ttm_object_device *tdev; 557 558 /* 559 * Fencing and IRQs. 560 */ 561 562 atomic_t marker_seq; 563 wait_queue_head_t fence_queue; 564 wait_queue_head_t fifo_queue; 565 spinlock_t waiter_lock; 566 int fence_queue_waiters; /* Protected by waiter_lock */ 567 int goal_queue_waiters; /* Protected by waiter_lock */ 568 int cmdbuf_waiters; /* Protected by waiter_lock */ 569 int error_waiters; /* Protected by waiter_lock */ 570 int fifo_queue_waiters; /* Protected by waiter_lock */ 571 uint32_t last_read_seqno; 572 struct vmw_fence_manager *fman; 573 uint32_t irq_mask; /* Updates protected by waiter_lock */ 574 575 /* 576 * Device state 577 */ 578 579 uint32_t traces_state; 580 uint32_t enable_state; 581 uint32_t config_done_state; 582 583 /** 584 * Execbuf 585 */ 586 /** 587 * Protected by the cmdbuf mutex. 588 */ 589 590 struct vmw_sw_context ctx; 591 struct mutex cmdbuf_mutex; 592 struct mutex binding_mutex; 593 594 /** 595 * Operating mode. 596 */ 597 598 bool stealth; 599 bool enable_fb; 600 spinlock_t svga_lock; 601 602 /** 603 * PM management. 604 */ 605 struct notifier_block pm_nb; 606 bool refuse_hibernation; 607 bool suspend_locked; 608 609 struct mutex release_mutex; 610 atomic_t num_fifo_resources; 611 612 /* 613 * Replace this with an rwsem as soon as we have down_xx_interruptible() 614 */ 615 struct ttm_lock reservation_sem; 616 617 /* 618 * Query processing. These members 619 * are protected by the cmdbuf mutex. 620 */ 621 622 struct vmw_buffer_object *dummy_query_bo; 623 struct vmw_buffer_object *pinned_bo; 624 uint32_t query_cid; 625 uint32_t query_cid_valid; 626 bool dummy_query_bo_pinned; 627 628 /* 629 * Surface swapping. The "surface_lru" list is protected by the 630 * resource lock in order to be able to destroy a surface and take 631 * it off the lru atomically. "used_memory_size" is currently 632 * protected by the cmdbuf mutex for simplicity. 633 */ 634 635 struct list_head res_lru[vmw_res_max]; 636 uint32_t used_memory_size; 637 638 /* 639 * DMA mapping stuff. 640 */ 641 enum vmw_dma_map_mode map_mode; 642 643 /* 644 * Guest Backed stuff 645 */ 646 struct vmw_otable_batch otable_batch; 647 648 struct vmw_cmdbuf_man *cman; 649 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 650 651 /* Validation memory reservation */ 652 struct vmw_validation_mem vvm; 653 }; 654 655 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 656 { 657 return container_of(res, struct vmw_surface, res); 658 } 659 660 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 661 { 662 return (struct vmw_private *)dev->dev_private; 663 } 664 665 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 666 { 667 return (struct vmw_fpriv *)file_priv->driver_priv; 668 } 669 670 /* 671 * The locking here is fine-grained, so that it is performed once 672 * for every read- and write operation. This is of course costly, but we 673 * don't perform much register access in the timing critical paths anyway. 674 * Instead we have the extra benefit of being sure that we don't forget 675 * the hw lock around register accesses. 676 */ 677 static inline void vmw_write(struct vmw_private *dev_priv, 678 unsigned int offset, uint32_t value) 679 { 680 spin_lock(&dev_priv->hw_lock); 681 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 682 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 683 spin_unlock(&dev_priv->hw_lock); 684 } 685 686 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 687 unsigned int offset) 688 { 689 u32 val; 690 691 spin_lock(&dev_priv->hw_lock); 692 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 693 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 694 spin_unlock(&dev_priv->hw_lock); 695 696 return val; 697 } 698 699 /** 700 * has_sm4_context - Does the device support SM4 context. 701 * @dev_priv: Device private. 702 * 703 * Return: Bool value if device support SM4 context or not. 704 */ 705 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 706 { 707 return (dev_priv->sm_type >= VMW_SM_4); 708 } 709 710 /** 711 * has_sm4_1_context - Does the device support SM4_1 context. 712 * @dev_priv: Device private. 713 * 714 * Return: Bool value if device support SM4_1 context or not. 715 */ 716 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 717 { 718 return (dev_priv->sm_type >= VMW_SM_4_1); 719 } 720 721 /** 722 * has_sm5_context - Does the device support SM5 context. 723 * @dev_priv: Device private. 724 * 725 * Return: Bool value if device support SM5 context or not. 726 */ 727 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 728 { 729 return (dev_priv->sm_type >= VMW_SM_5); 730 } 731 732 extern void vmw_svga_enable(struct vmw_private *dev_priv); 733 extern void vmw_svga_disable(struct vmw_private *dev_priv); 734 735 736 /** 737 * GMR utilities - vmwgfx_gmr.c 738 */ 739 740 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 741 const struct vmw_sg_table *vsgt, 742 unsigned long num_pages, 743 int gmr_id); 744 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 745 746 /** 747 * Resource utilities - vmwgfx_resource.c 748 */ 749 struct vmw_user_resource_conv; 750 751 extern void vmw_resource_unreference(struct vmw_resource **p_res); 752 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 753 extern struct vmw_resource * 754 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 755 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 756 bool dirtying); 757 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 758 bool no_backup); 759 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 760 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 761 struct ttm_object_file *tfile, 762 uint32_t handle, 763 struct vmw_surface **out_surf, 764 struct vmw_buffer_object **out_buf); 765 extern int vmw_user_resource_lookup_handle( 766 struct vmw_private *dev_priv, 767 struct ttm_object_file *tfile, 768 uint32_t handle, 769 const struct vmw_user_resource_conv *converter, 770 struct vmw_resource **p_res); 771 extern struct vmw_resource * 772 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 773 struct ttm_object_file *tfile, 774 uint32_t handle, 775 const struct vmw_user_resource_conv * 776 converter); 777 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 778 struct drm_file *file_priv); 779 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 780 struct drm_file *file_priv); 781 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 782 struct ttm_object_file *tfile, 783 uint32_t *inout_id, 784 struct vmw_resource **out); 785 extern void vmw_resource_unreserve(struct vmw_resource *res, 786 bool dirty_set, 787 bool dirty, 788 bool switch_backup, 789 struct vmw_buffer_object *new_backup, 790 unsigned long new_backup_offset); 791 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 792 struct ttm_resource *mem); 793 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 794 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 795 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 796 void vmw_resource_mob_attach(struct vmw_resource *res); 797 void vmw_resource_mob_detach(struct vmw_resource *res); 798 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 799 pgoff_t end); 800 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 801 pgoff_t end, pgoff_t *num_prefault); 802 803 /** 804 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 805 * @res: The resource 806 * 807 * Return: true if the resource has a mob attached, false otherwise. 808 */ 809 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 810 { 811 return !RB_EMPTY_NODE(&res->mob_node); 812 } 813 814 /** 815 * vmw_user_resource_noref_release - release a user resource pointer looked up 816 * without reference 817 */ 818 static inline void vmw_user_resource_noref_release(void) 819 { 820 ttm_base_object_noref_release(); 821 } 822 823 /** 824 * Buffer object helper functions - vmwgfx_bo.c 825 */ 826 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 827 struct vmw_buffer_object *bo, 828 struct ttm_placement *placement, 829 bool interruptible); 830 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 831 struct vmw_buffer_object *buf, 832 bool interruptible); 833 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 834 struct vmw_buffer_object *buf, 835 bool interruptible); 836 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 837 struct vmw_buffer_object *bo, 838 bool interruptible); 839 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 840 struct vmw_buffer_object *bo, 841 bool interruptible); 842 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 843 SVGAGuestPtr *ptr); 844 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 845 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 846 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 847 unsigned long size, 848 struct ttm_placement *placement, 849 struct ttm_buffer_object **p_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, bool pin, 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_resource *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_sys_placement; 1011 extern struct ttm_placement vmw_vram_gmr_placement; 1012 extern struct ttm_placement vmw_sys_placement; 1013 extern struct ttm_placement vmw_evictable_placement; 1014 extern struct ttm_placement vmw_srf_placement; 1015 extern struct ttm_placement vmw_mob_placement; 1016 extern struct ttm_placement vmw_nonfixed_placement; 1017 extern struct ttm_bo_driver vmw_bo_driver; 1018 extern const struct vmw_sg_table * 1019 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1020 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1021 unsigned long bo_size, 1022 struct ttm_buffer_object **bo_p); 1023 1024 extern void vmw_piter_start(struct vmw_piter *viter, 1025 const struct vmw_sg_table *vsgt, 1026 unsigned long p_offs); 1027 1028 /** 1029 * vmw_piter_next - Advance the iterator one page. 1030 * 1031 * @viter: Pointer to the iterator to advance. 1032 * 1033 * Returns false if past the list of pages, true otherwise. 1034 */ 1035 static inline bool vmw_piter_next(struct vmw_piter *viter) 1036 { 1037 return viter->next(viter); 1038 } 1039 1040 /** 1041 * vmw_piter_dma_addr - Return the DMA address of the current page. 1042 * 1043 * @viter: Pointer to the iterator 1044 * 1045 * Returns the DMA address of the page pointed to by @viter. 1046 */ 1047 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1048 { 1049 return viter->dma_address(viter); 1050 } 1051 1052 /** 1053 * vmw_piter_page - Return a pointer to the current page. 1054 * 1055 * @viter: Pointer to the iterator 1056 * 1057 * Returns the DMA address of the page pointed to by @viter. 1058 */ 1059 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1060 { 1061 return viter->page(viter); 1062 } 1063 1064 /** 1065 * Command submission - vmwgfx_execbuf.c 1066 */ 1067 1068 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1069 struct drm_file *file_priv); 1070 extern int vmw_execbuf_process(struct drm_file *file_priv, 1071 struct vmw_private *dev_priv, 1072 void __user *user_commands, 1073 void *kernel_commands, 1074 uint32_t command_size, 1075 uint64_t throttle_us, 1076 uint32_t dx_context_handle, 1077 struct drm_vmw_fence_rep __user 1078 *user_fence_rep, 1079 struct vmw_fence_obj **out_fence, 1080 uint32_t flags); 1081 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1082 struct vmw_fence_obj *fence); 1083 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1084 1085 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1086 struct vmw_private *dev_priv, 1087 struct vmw_fence_obj **p_fence, 1088 uint32_t *p_handle); 1089 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1090 struct vmw_fpriv *vmw_fp, 1091 int ret, 1092 struct drm_vmw_fence_rep __user 1093 *user_fence_rep, 1094 struct vmw_fence_obj *fence, 1095 uint32_t fence_handle, 1096 int32_t out_fence_fd, 1097 struct sync_file *sync_file); 1098 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1099 1100 /** 1101 * IRQs and wating - vmwgfx_irq.c 1102 */ 1103 1104 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1105 uint32_t seqno, bool interruptible, 1106 unsigned long timeout); 1107 extern int vmw_irq_install(struct drm_device *dev, int irq); 1108 extern void vmw_irq_uninstall(struct drm_device *dev); 1109 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1110 uint32_t seqno); 1111 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1112 bool lazy, 1113 bool fifo_idle, 1114 uint32_t seqno, 1115 bool interruptible, 1116 unsigned long timeout); 1117 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1118 struct vmw_fifo_state *fifo_state); 1119 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1120 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1121 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1122 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1123 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1124 int *waiter_count); 1125 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1126 u32 flag, int *waiter_count); 1127 1128 /** 1129 * Rudimentary fence-like objects currently used only for throttling - 1130 * vmwgfx_marker.c 1131 */ 1132 1133 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1134 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1135 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1136 uint32_t seqno); 1137 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1138 uint32_t signaled_seqno); 1139 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1140 struct vmw_marker_queue *queue, uint32_t us); 1141 1142 /** 1143 * Kernel framebuffer - vmwgfx_fb.c 1144 */ 1145 1146 int vmw_fb_init(struct vmw_private *vmw_priv); 1147 int vmw_fb_close(struct vmw_private *dev_priv); 1148 int vmw_fb_off(struct vmw_private *vmw_priv); 1149 int vmw_fb_on(struct vmw_private *vmw_priv); 1150 1151 /** 1152 * Kernel modesetting - vmwgfx_kms.c 1153 */ 1154 1155 int vmw_kms_init(struct vmw_private *dev_priv); 1156 int vmw_kms_close(struct vmw_private *dev_priv); 1157 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1158 struct drm_file *file_priv); 1159 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1160 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1161 struct ttm_object_file *tfile, 1162 struct ttm_buffer_object *bo, 1163 SVGA3dCmdHeader *header); 1164 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1165 unsigned width, unsigned height, unsigned pitch, 1166 unsigned bpp, unsigned depth); 1167 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1168 uint32_t pitch, 1169 uint32_t height); 1170 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1171 int vmw_enable_vblank(struct drm_crtc *crtc); 1172 void vmw_disable_vblank(struct drm_crtc *crtc); 1173 int vmw_kms_present(struct vmw_private *dev_priv, 1174 struct drm_file *file_priv, 1175 struct vmw_framebuffer *vfb, 1176 struct vmw_surface *surface, 1177 uint32_t sid, int32_t destX, int32_t destY, 1178 struct drm_vmw_rect *clips, 1179 uint32_t num_clips); 1180 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1181 struct drm_file *file_priv); 1182 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1183 int vmw_kms_suspend(struct drm_device *dev); 1184 int vmw_kms_resume(struct drm_device *dev); 1185 void vmw_kms_lost_device(struct drm_device *dev); 1186 1187 int vmw_dumb_create(struct drm_file *file_priv, 1188 struct drm_device *dev, 1189 struct drm_mode_create_dumb *args); 1190 1191 int vmw_dumb_map_offset(struct drm_file *file_priv, 1192 struct drm_device *dev, uint32_t handle, 1193 uint64_t *offset); 1194 int vmw_dumb_destroy(struct drm_file *file_priv, 1195 struct drm_device *dev, 1196 uint32_t handle); 1197 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1198 extern void vmw_resource_unpin(struct vmw_resource *res); 1199 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1200 1201 /** 1202 * Overlay control - vmwgfx_overlay.c 1203 */ 1204 1205 int vmw_overlay_init(struct vmw_private *dev_priv); 1206 int vmw_overlay_close(struct vmw_private *dev_priv); 1207 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1208 struct drm_file *file_priv); 1209 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1210 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1211 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1212 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1213 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1214 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1215 1216 /** 1217 * GMR Id manager 1218 */ 1219 1220 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1221 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1222 1223 /** 1224 * Prime - vmwgfx_prime.c 1225 */ 1226 1227 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1228 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1229 struct drm_file *file_priv, 1230 int fd, u32 *handle); 1231 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1232 struct drm_file *file_priv, 1233 uint32_t handle, uint32_t flags, 1234 int *prime_fd); 1235 1236 /* 1237 * MemoryOBject management - vmwgfx_mob.c 1238 */ 1239 struct vmw_mob; 1240 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1241 const struct vmw_sg_table *vsgt, 1242 unsigned long num_data_pages, int32_t mob_id); 1243 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1244 struct vmw_mob *mob); 1245 extern void vmw_mob_destroy(struct vmw_mob *mob); 1246 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1247 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1248 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1249 1250 /* 1251 * Context management - vmwgfx_context.c 1252 */ 1253 1254 extern const struct vmw_user_resource_conv *user_context_converter; 1255 1256 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1257 struct drm_file *file_priv); 1258 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1259 struct drm_file *file_priv); 1260 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1261 struct drm_file *file_priv); 1262 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1263 extern struct vmw_cmdbuf_res_manager * 1264 vmw_context_res_man(struct vmw_resource *ctx); 1265 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1266 SVGACOTableType cotable_type); 1267 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1268 struct vmw_ctx_binding_state; 1269 extern struct vmw_ctx_binding_state * 1270 vmw_context_binding_state(struct vmw_resource *ctx); 1271 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1272 bool readback); 1273 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1274 struct vmw_buffer_object *mob); 1275 extern struct vmw_buffer_object * 1276 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1277 1278 1279 /* 1280 * Surface management - vmwgfx_surface.c 1281 */ 1282 1283 extern const struct vmw_user_resource_conv *user_surface_converter; 1284 1285 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1286 struct drm_file *file_priv); 1287 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1288 struct drm_file *file_priv); 1289 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1290 struct drm_file *file_priv); 1291 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1292 struct drm_file *file_priv); 1293 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1294 struct drm_file *file_priv); 1295 int vmw_surface_gb_priv_define(struct drm_device *dev, 1296 uint32_t user_accounting_size, 1297 SVGA3dSurfaceAllFlags svga3d_flags, 1298 SVGA3dSurfaceFormat format, 1299 bool for_scanout, 1300 uint32_t num_mip_levels, 1301 uint32_t multisample_count, 1302 uint32_t array_size, 1303 struct drm_vmw_size size, 1304 SVGA3dMSPattern multisample_pattern, 1305 SVGA3dMSQualityLevel quality_level, 1306 struct vmw_surface **srf_out); 1307 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1308 void *data, 1309 struct drm_file *file_priv); 1310 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1311 void *data, 1312 struct drm_file *file_priv); 1313 1314 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1315 uint32_t user_accounting_size, 1316 const struct vmw_surface_metadata *req, 1317 struct vmw_surface **srf_out); 1318 1319 /* 1320 * Shader management - vmwgfx_shader.c 1321 */ 1322 1323 extern const struct vmw_user_resource_conv *user_shader_converter; 1324 1325 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1326 struct drm_file *file_priv); 1327 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1328 struct drm_file *file_priv); 1329 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1330 struct vmw_cmdbuf_res_manager *man, 1331 u32 user_key, const void *bytecode, 1332 SVGA3dShaderType shader_type, 1333 size_t size, 1334 struct list_head *list); 1335 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1336 u32 user_key, SVGA3dShaderType shader_type, 1337 struct list_head *list); 1338 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1339 struct vmw_resource *ctx, 1340 u32 user_key, 1341 SVGA3dShaderType shader_type, 1342 struct list_head *list); 1343 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1344 struct list_head *list, 1345 bool readback); 1346 1347 extern struct vmw_resource * 1348 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1349 u32 user_key, SVGA3dShaderType shader_type); 1350 1351 /* 1352 * Streamoutput management 1353 */ 1354 struct vmw_resource * 1355 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1356 u32 user_key); 1357 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1358 struct vmw_resource *ctx, 1359 SVGA3dStreamOutputId user_key, 1360 struct list_head *list); 1361 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1362 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1363 SVGA3dStreamOutputId user_key, 1364 struct list_head *list); 1365 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1366 struct list_head *list, 1367 bool readback); 1368 1369 /* 1370 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1371 */ 1372 1373 extern struct vmw_cmdbuf_res_manager * 1374 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1375 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1376 extern size_t vmw_cmdbuf_res_man_size(void); 1377 extern struct vmw_resource * 1378 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1379 enum vmw_cmdbuf_res_type res_type, 1380 u32 user_key); 1381 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1382 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1383 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1384 enum vmw_cmdbuf_res_type res_type, 1385 u32 user_key, 1386 struct vmw_resource *res, 1387 struct list_head *list); 1388 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1389 enum vmw_cmdbuf_res_type res_type, 1390 u32 user_key, 1391 struct list_head *list, 1392 struct vmw_resource **res); 1393 1394 /* 1395 * COTable management - vmwgfx_cotable.c 1396 */ 1397 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1398 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1399 struct vmw_resource *ctx, 1400 u32 type); 1401 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1402 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1403 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1404 struct list_head *head); 1405 1406 /* 1407 * Command buffer managerment vmwgfx_cmdbuf.c 1408 */ 1409 struct vmw_cmdbuf_man; 1410 struct vmw_cmdbuf_header; 1411 1412 extern struct vmw_cmdbuf_man * 1413 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1414 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1415 size_t size, size_t default_size); 1416 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1417 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1418 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1419 unsigned long timeout); 1420 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1421 int ctx_id, bool interruptible, 1422 struct vmw_cmdbuf_header *header); 1423 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1424 struct vmw_cmdbuf_header *header, 1425 bool flush); 1426 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1427 size_t size, bool interruptible, 1428 struct vmw_cmdbuf_header **p_header); 1429 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1430 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1431 bool interruptible); 1432 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1433 1434 /* CPU blit utilities - vmwgfx_blit.c */ 1435 1436 /** 1437 * struct vmw_diff_cpy - CPU blit information structure 1438 * 1439 * @rect: The output bounding box rectangle. 1440 * @line: The current line of the blit. 1441 * @line_offset: Offset of the current line segment. 1442 * @cpp: Bytes per pixel (granularity information). 1443 * @memcpy: Which memcpy function to use. 1444 */ 1445 struct vmw_diff_cpy { 1446 struct drm_rect rect; 1447 size_t line; 1448 size_t line_offset; 1449 int cpp; 1450 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1451 size_t n); 1452 }; 1453 1454 #define VMW_CPU_BLIT_INITIALIZER { \ 1455 .do_cpy = vmw_memcpy, \ 1456 } 1457 1458 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1459 .line = 0, \ 1460 .line_offset = 0, \ 1461 .rect = { .x1 = INT_MAX/2, \ 1462 .y1 = INT_MAX/2, \ 1463 .x2 = INT_MIN/2, \ 1464 .y2 = INT_MIN/2 \ 1465 }, \ 1466 .cpp = _cpp, \ 1467 .do_cpy = vmw_diff_memcpy, \ 1468 } 1469 1470 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1471 size_t n); 1472 1473 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1474 1475 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1476 u32 dst_offset, u32 dst_stride, 1477 struct ttm_buffer_object *src, 1478 u32 src_offset, u32 src_stride, 1479 u32 w, u32 h, 1480 struct vmw_diff_cpy *diff); 1481 1482 /* Host messaging -vmwgfx_msg.c: */ 1483 int vmw_host_get_guestinfo(const char *guest_info_param, 1484 char *buffer, size_t *length); 1485 int vmw_host_log(const char *log); 1486 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1487 struct drm_file *file_priv); 1488 1489 /* VMW logging */ 1490 1491 /** 1492 * VMW_DEBUG_USER - Debug output for user-space debugging. 1493 * 1494 * @fmt: printf() like format string. 1495 * 1496 * This macro is for logging user-space error and debugging messages for e.g. 1497 * command buffer execution errors due to malformed commands, invalid context, 1498 * etc. 1499 */ 1500 #define VMW_DEBUG_USER(fmt, ...) \ 1501 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1502 1503 /* Resource dirtying - vmwgfx_page_dirty.c */ 1504 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1505 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1506 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1507 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1508 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1509 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1510 pgoff_t start, pgoff_t end); 1511 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1512 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1513 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1514 vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf, 1515 enum page_entry_size pe_size); 1516 #endif 1517 1518 /* Transparent hugepage support - vmwgfx_thp.c */ 1519 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1520 extern int vmw_thp_init(struct vmw_private *dev_priv); 1521 void vmw_thp_fini(struct vmw_private *dev_priv); 1522 #endif 1523 1524 /** 1525 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1526 * 1527 * This macro is for debugging vmwgfx mode-setting code. 1528 */ 1529 #define VMW_DEBUG_KMS(fmt, ...) \ 1530 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1531 1532 /** 1533 * Inline helper functions 1534 */ 1535 1536 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1537 { 1538 struct vmw_surface *tmp_srf = *srf; 1539 struct vmw_resource *res = &tmp_srf->res; 1540 *srf = NULL; 1541 1542 vmw_resource_unreference(&res); 1543 } 1544 1545 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1546 { 1547 (void) vmw_resource_reference(&srf->res); 1548 return srf; 1549 } 1550 1551 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1552 { 1553 struct vmw_buffer_object *tmp_buf = *buf; 1554 1555 *buf = NULL; 1556 if (tmp_buf != NULL) { 1557 ttm_bo_put(&tmp_buf->base); 1558 } 1559 } 1560 1561 static inline struct vmw_buffer_object * 1562 vmw_bo_reference(struct vmw_buffer_object *buf) 1563 { 1564 ttm_bo_get(&buf->base); 1565 return buf; 1566 } 1567 1568 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1569 { 1570 return &ttm_mem_glob; 1571 } 1572 1573 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1574 { 1575 atomic_inc(&dev_priv->num_fifo_resources); 1576 } 1577 1578 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1579 { 1580 atomic_dec(&dev_priv->num_fifo_resources); 1581 } 1582 1583 /** 1584 * vmw_mmio_read - Perform a MMIO read from volatile memory 1585 * 1586 * @addr: The address to read from 1587 * 1588 * This function is intended to be equivalent to ioread32() on 1589 * memremap'd memory, but without byteswapping. 1590 */ 1591 static inline u32 vmw_mmio_read(u32 *addr) 1592 { 1593 return READ_ONCE(*addr); 1594 } 1595 1596 /** 1597 * vmw_mmio_write - Perform a MMIO write to volatile memory 1598 * 1599 * @addr: The address to write to 1600 * 1601 * This function is intended to be equivalent to iowrite32 on 1602 * memremap'd memory, but without byteswapping. 1603 */ 1604 static inline void vmw_mmio_write(u32 value, u32 *addr) 1605 { 1606 WRITE_ONCE(*addr, value); 1607 } 1608 #endif 1609