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 43 #include "ttm_lock.h" 44 #include "ttm_object.h" 45 46 #include "vmwgfx_fence.h" 47 #include "vmwgfx_reg.h" 48 #include "vmwgfx_validation.h" 49 50 /* 51 * FIXME: vmwgfx_drm.h needs to be last due to dependencies. 52 * uapi headers should not depend on header files outside uapi/. 53 */ 54 #include <drm/vmwgfx_drm.h> 55 56 57 #define VMWGFX_DRIVER_NAME "vmwgfx" 58 #define VMWGFX_DRIVER_DATE "20200114" 59 #define VMWGFX_DRIVER_MAJOR 2 60 #define VMWGFX_DRIVER_MINOR 18 61 #define VMWGFX_DRIVER_PATCHLEVEL 0 62 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 63 #define VMWGFX_MAX_RELOCATIONS 2048 64 #define VMWGFX_MAX_VALIDATIONS 2048 65 #define VMWGFX_MAX_DISPLAYS 16 66 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 67 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 68 69 #define VMWGFX_PCI_ID_SVGA2 0x0405 70 71 /* 72 * Perhaps we should have sysfs entries for these. 73 */ 74 #define VMWGFX_NUM_GB_CONTEXT 256 75 #define VMWGFX_NUM_GB_SHADER 20000 76 #define VMWGFX_NUM_GB_SURFACE 32768 77 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 78 #define VMWGFX_NUM_DXCONTEXT 256 79 #define VMWGFX_NUM_DXQUERY 512 80 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 81 VMWGFX_NUM_GB_SHADER +\ 82 VMWGFX_NUM_GB_SURFACE +\ 83 VMWGFX_NUM_GB_SCREEN_TARGET) 84 85 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 86 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 87 88 #define VMW_RES_CONTEXT ttm_driver_type0 89 #define VMW_RES_SURFACE ttm_driver_type1 90 #define VMW_RES_STREAM ttm_driver_type2 91 #define VMW_RES_FENCE ttm_driver_type3 92 #define VMW_RES_SHADER ttm_driver_type4 93 94 struct vmw_fpriv { 95 struct ttm_object_file *tfile; 96 bool gb_aware; /* user-space is guest-backed aware */ 97 }; 98 99 /** 100 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 101 * @base: The TTM buffer object 102 * @res_tree: RB tree of resources using this buffer object as a backing MOB 103 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 104 * increased. May be decreased without reservation. 105 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 106 * @map: Kmap object for semi-persistent mappings 107 * @res_prios: Eviction priority counts for attached resources 108 * @dirty: structure for user-space dirty-tracking 109 */ 110 struct vmw_buffer_object { 111 struct ttm_buffer_object base; 112 struct rb_root res_tree; 113 atomic_t cpu_writers; 114 /* Not ref-counted. Protected by binding_mutex */ 115 struct vmw_resource *dx_query_ctx; 116 /* Protected by reservation */ 117 struct ttm_bo_kmap_obj map; 118 u32 res_prios[TTM_MAX_BO_PRIORITY]; 119 struct vmw_bo_dirty *dirty; 120 }; 121 122 /** 123 * struct vmw_validate_buffer - Carries validation info about buffers. 124 * 125 * @base: Validation info for TTM. 126 * @hash: Hash entry for quick lookup of the TTM buffer object. 127 * 128 * This structure contains also driver private validation info 129 * on top of the info needed by TTM. 130 */ 131 struct vmw_validate_buffer { 132 struct ttm_validate_buffer base; 133 struct drm_hash_item hash; 134 bool validate_as_mob; 135 }; 136 137 struct vmw_res_func; 138 139 140 /** 141 * struct vmw-resource - base class for hardware resources 142 * 143 * @kref: For refcounting. 144 * @dev_priv: Pointer to the device private for this resource. Immutable. 145 * @id: Device id. Protected by @dev_priv::resource_lock. 146 * @backup_size: Backup buffer size. Immutable. 147 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 148 * by resource reserved. 149 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 150 * Protected by resource reserved. 151 * @coherent: Emulate coherency by tracking vm accesses. 152 * @backup: The backup buffer if any. Protected by resource reserved. 153 * @backup_offset: Offset into the backup buffer if any. Protected by resource 154 * reserved. Note that only a few resource types can have a @backup_offset 155 * different from zero. 156 * @pin_count: The pin count for this resource. A pinned resource has a 157 * pin-count greater than zero. It is not on the resource LRU lists and its 158 * backup buffer is pinned. Hence it can't be evicted. 159 * @func: Method vtable for this resource. Immutable. 160 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 161 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 162 * @binding_head: List head for the context binding list. Protected by 163 * the @dev_priv::binding_mutex 164 * @res_free: The resource destructor. 165 * @hw_destroy: Callback to destroy the resource on the device, as part of 166 * resource destruction. 167 */ 168 struct vmw_resource_dirty; 169 struct vmw_resource { 170 struct kref kref; 171 struct vmw_private *dev_priv; 172 int id; 173 u32 used_prio; 174 unsigned long backup_size; 175 u32 res_dirty : 1; 176 u32 backup_dirty : 1; 177 u32 coherent : 1; 178 struct vmw_buffer_object *backup; 179 unsigned long backup_offset; 180 unsigned long pin_count; 181 const struct vmw_res_func *func; 182 struct rb_node mob_node; 183 struct list_head lru_head; 184 struct list_head binding_head; 185 struct vmw_resource_dirty *dirty; 186 void (*res_free) (struct vmw_resource *res); 187 void (*hw_destroy) (struct vmw_resource *res); 188 }; 189 190 191 /* 192 * Resources that are managed using ioctls. 193 */ 194 enum vmw_res_type { 195 vmw_res_context, 196 vmw_res_surface, 197 vmw_res_stream, 198 vmw_res_shader, 199 vmw_res_dx_context, 200 vmw_res_cotable, 201 vmw_res_view, 202 vmw_res_streamoutput, 203 vmw_res_max 204 }; 205 206 /* 207 * Resources that are managed using command streams. 208 */ 209 enum vmw_cmdbuf_res_type { 210 vmw_cmdbuf_res_shader, 211 vmw_cmdbuf_res_view, 212 vmw_cmdbuf_res_streamoutput 213 }; 214 215 struct vmw_cmdbuf_res_manager; 216 217 struct vmw_cursor_snooper { 218 size_t age; 219 uint32_t *image; 220 }; 221 222 struct vmw_framebuffer; 223 struct vmw_surface_offset; 224 225 /** 226 * struct vmw_surface_metadata - Metadata describing a surface. 227 * 228 * @flags: Device flags. 229 * @format: Surface SVGA3D_x format. 230 * @mip_levels: Mip level for each face. For GB first index is used only. 231 * @multisample_count: Sample count. 232 * @multisample_pattern: Sample patterns. 233 * @quality_level: Quality level. 234 * @autogen_filter: Filter for automatically generated mipmaps. 235 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 236 texture number of faces * array_size. This should be 0 for pre 237 SM4 device. 238 * @buffer_byte_stride: Buffer byte stride. 239 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 240 * @base_size: Surface dimension. 241 * @sizes: Array representing mip sizes. Legacy only. 242 * @scanout: Whether this surface will be used for scanout. 243 * 244 * This tracks metadata for both legacy and guest backed surface. 245 */ 246 struct vmw_surface_metadata { 247 u64 flags; 248 u32 format; 249 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 250 u32 multisample_count; 251 u32 multisample_pattern; 252 u32 quality_level; 253 u32 autogen_filter; 254 u32 array_size; 255 u32 num_sizes; 256 u32 buffer_byte_stride; 257 struct drm_vmw_size base_size; 258 struct drm_vmw_size *sizes; 259 bool scanout; 260 }; 261 262 /** 263 * struct vmw_surface: Resource structure for a surface. 264 * 265 * @res: The base resource for this surface. 266 * @metadata: Metadata for this surface resource. 267 * @snooper: Cursor data. Legacy surface only. 268 * @offsets: Legacy surface only. 269 * @view_list: List of views bound to this surface. 270 */ 271 struct vmw_surface { 272 struct vmw_resource res; 273 struct vmw_surface_metadata metadata; 274 struct vmw_cursor_snooper snooper; 275 struct vmw_surface_offset *offsets; 276 struct list_head view_list; 277 }; 278 279 struct vmw_fifo_state { 280 unsigned long reserved_size; 281 u32 *dynamic_buffer; 282 u32 *static_buffer; 283 unsigned long static_buffer_size; 284 bool using_bounce_buffer; 285 uint32_t capabilities; 286 struct mutex fifo_mutex; 287 struct rw_semaphore rwsem; 288 bool dx; 289 }; 290 291 /** 292 * struct vmw_res_cache_entry - resource information cache entry 293 * @handle: User-space handle of a resource. 294 * @res: Non-ref-counted pointer to the resource. 295 * @valid_handle: Whether the @handle member is valid. 296 * @valid: Whether the entry is valid, which also implies that the execbuf 297 * code holds a reference to the resource, and it's placed on the 298 * validation list. 299 * 300 * Used to avoid frequent repeated user-space handle lookups of the 301 * same resource. 302 */ 303 struct vmw_res_cache_entry { 304 uint32_t handle; 305 struct vmw_resource *res; 306 void *private; 307 unsigned short valid_handle; 308 unsigned short valid; 309 }; 310 311 /** 312 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 313 */ 314 enum vmw_dma_map_mode { 315 vmw_dma_phys, /* Use physical page addresses */ 316 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 317 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 318 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 319 vmw_dma_map_max 320 }; 321 322 /** 323 * struct vmw_sg_table - Scatter/gather table for binding, with additional 324 * device-specific information. 325 * 326 * @sgt: Pointer to a struct sg_table with binding information 327 * @num_regions: Number of regions with device-address contiguous pages 328 */ 329 struct vmw_sg_table { 330 enum vmw_dma_map_mode mode; 331 struct page **pages; 332 const dma_addr_t *addrs; 333 struct sg_table *sgt; 334 unsigned long num_regions; 335 unsigned long num_pages; 336 }; 337 338 /** 339 * struct vmw_piter - Page iterator that iterates over a list of pages 340 * and DMA addresses that could be either a scatter-gather list or 341 * arrays 342 * 343 * @pages: Array of page pointers to the pages. 344 * @addrs: DMA addresses to the pages if coherent pages are used. 345 * @iter: Scatter-gather page iterator. Current position in SG list. 346 * @i: Current position in arrays. 347 * @num_pages: Number of pages total. 348 * @next: Function to advance the iterator. Returns false if past the list 349 * of pages, true otherwise. 350 * @dma_address: Function to return the DMA address of the current page. 351 */ 352 struct vmw_piter { 353 struct page **pages; 354 const dma_addr_t *addrs; 355 struct sg_dma_page_iter iter; 356 unsigned long i; 357 unsigned long num_pages; 358 bool (*next)(struct vmw_piter *); 359 dma_addr_t (*dma_address)(struct vmw_piter *); 360 struct page *(*page)(struct vmw_piter *); 361 }; 362 363 /* 364 * enum vmw_display_unit_type - Describes the display unit 365 */ 366 enum vmw_display_unit_type { 367 vmw_du_invalid = 0, 368 vmw_du_legacy, 369 vmw_du_screen_object, 370 vmw_du_screen_target 371 }; 372 373 struct vmw_validation_context; 374 struct vmw_ctx_validation_info; 375 376 /** 377 * struct vmw_sw_context - Command submission context 378 * @res_ht: Pointer hash table used to find validation duplicates 379 * @kernel: Whether the command buffer originates from kernel code rather 380 * than from user-space 381 * @fp: If @kernel is false, points to the file of the client. Otherwise 382 * NULL 383 * @cmd_bounce: Command bounce buffer used for command validation before 384 * copying to fifo space 385 * @cmd_bounce_size: Current command bounce buffer size 386 * @cur_query_bo: Current buffer object used as query result buffer 387 * @bo_relocations: List of buffer object relocations 388 * @res_relocations: List of resource relocations 389 * @buf_start: Pointer to start of memory where command validation takes 390 * place 391 * @res_cache: Cache of recently looked up resources 392 * @last_query_ctx: Last context that submitted a query 393 * @needs_post_query_barrier: Whether a query barrier is needed after 394 * command submission 395 * @staged_bindings: Cached per-context binding tracker 396 * @staged_bindings_inuse: Whether the cached per-context binding tracker 397 * is in use 398 * @staged_cmd_res: List of staged command buffer managed resources in this 399 * command buffer 400 * @ctx_list: List of context resources referenced in this command buffer 401 * @dx_ctx_node: Validation metadata of the current DX context 402 * @dx_query_mob: The MOB used for DX queries 403 * @dx_query_ctx: The DX context used for the last DX query 404 * @man: Pointer to the command buffer managed resource manager 405 * @ctx: The validation context 406 */ 407 struct vmw_sw_context{ 408 struct drm_open_hash res_ht; 409 bool res_ht_initialized; 410 bool kernel; 411 struct vmw_fpriv *fp; 412 uint32_t *cmd_bounce; 413 uint32_t cmd_bounce_size; 414 struct vmw_buffer_object *cur_query_bo; 415 struct list_head bo_relocations; 416 struct list_head res_relocations; 417 uint32_t *buf_start; 418 struct vmw_res_cache_entry res_cache[vmw_res_max]; 419 struct vmw_resource *last_query_ctx; 420 bool needs_post_query_barrier; 421 struct vmw_ctx_binding_state *staged_bindings; 422 bool staged_bindings_inuse; 423 struct list_head staged_cmd_res; 424 struct list_head ctx_list; 425 struct vmw_ctx_validation_info *dx_ctx_node; 426 struct vmw_buffer_object *dx_query_mob; 427 struct vmw_resource *dx_query_ctx; 428 struct vmw_cmdbuf_res_manager *man; 429 struct vmw_validation_context *ctx; 430 }; 431 432 struct vmw_legacy_display; 433 struct vmw_overlay; 434 435 struct vmw_vga_topology_state { 436 uint32_t width; 437 uint32_t height; 438 uint32_t primary; 439 uint32_t pos_x; 440 uint32_t pos_y; 441 }; 442 443 444 /* 445 * struct vmw_otable - Guest Memory OBject table metadata 446 * 447 * @size: Size of the table (page-aligned). 448 * @page_table: Pointer to a struct vmw_mob holding the page table. 449 */ 450 struct vmw_otable { 451 unsigned long size; 452 struct vmw_mob *page_table; 453 bool enabled; 454 }; 455 456 struct vmw_otable_batch { 457 unsigned num_otables; 458 struct vmw_otable *otables; 459 struct vmw_resource *context; 460 struct ttm_buffer_object *otable_bo; 461 }; 462 463 enum { 464 VMW_IRQTHREAD_FENCE, 465 VMW_IRQTHREAD_CMDBUF, 466 VMW_IRQTHREAD_MAX 467 }; 468 469 /** 470 * enum vmw_sm_type - Graphics context capability supported by device. 471 * @VMW_SM_LEGACY: Pre DX context. 472 * @VMW_SM_4: Context support upto SM4. 473 * @VMW_SM_4_1: Context support upto SM4_1. 474 * @VMW_SM_5: Context support up to SM5. 475 * @VMW_SM_MAX: Should be the last. 476 */ 477 enum vmw_sm_type { 478 VMW_SM_LEGACY = 0, 479 VMW_SM_4, 480 VMW_SM_4_1, 481 VMW_SM_5, 482 VMW_SM_MAX 483 }; 484 485 struct vmw_private { 486 struct drm_device drm; 487 struct ttm_bo_device bdev; 488 489 struct vmw_fifo_state fifo; 490 491 struct drm_vma_offset_manager vma_manager; 492 u32 vmw_chipset; 493 resource_size_t io_start; 494 resource_size_t vram_start; 495 resource_size_t vram_size; 496 resource_size_t prim_bb_mem; 497 u32 *fifo_mem; 498 resource_size_t fifo_mem_size; 499 uint32_t fb_max_width; 500 uint32_t fb_max_height; 501 uint32_t texture_max_width; 502 uint32_t texture_max_height; 503 uint32_t stdu_max_width; 504 uint32_t stdu_max_height; 505 uint32_t initial_width; 506 uint32_t initial_height; 507 uint32_t capabilities; 508 uint32_t capabilities2; 509 uint32_t max_gmr_ids; 510 uint32_t max_gmr_pages; 511 uint32_t max_mob_pages; 512 uint32_t max_mob_size; 513 uint32_t memory_size; 514 bool has_gmr; 515 bool has_mob; 516 spinlock_t hw_lock; 517 spinlock_t cap_lock; 518 bool assume_16bpp; 519 520 enum vmw_sm_type sm_type; 521 522 /* 523 * Framebuffer info. 524 */ 525 526 void *fb_info; 527 enum vmw_display_unit_type active_display_unit; 528 struct vmw_legacy_display *ldu_priv; 529 struct vmw_overlay *overlay_priv; 530 struct drm_property *hotplug_mode_update_property; 531 struct drm_property *implicit_placement_property; 532 struct mutex global_kms_state_mutex; 533 spinlock_t cursor_lock; 534 struct drm_atomic_state *suspend_state; 535 536 /* 537 * Context and surface management. 538 */ 539 540 spinlock_t resource_lock; 541 struct idr res_idr[vmw_res_max]; 542 543 /* 544 * A resource manager for kernel-only surfaces and 545 * contexts. 546 */ 547 548 struct ttm_object_device *tdev; 549 550 /* 551 * Fencing and IRQs. 552 */ 553 554 atomic_t marker_seq; 555 wait_queue_head_t fence_queue; 556 wait_queue_head_t fifo_queue; 557 spinlock_t waiter_lock; 558 int fence_queue_waiters; /* Protected by waiter_lock */ 559 int goal_queue_waiters; /* Protected by waiter_lock */ 560 int cmdbuf_waiters; /* Protected by waiter_lock */ 561 int error_waiters; /* Protected by waiter_lock */ 562 int fifo_queue_waiters; /* Protected by waiter_lock */ 563 uint32_t last_read_seqno; 564 struct vmw_fence_manager *fman; 565 uint32_t irq_mask; /* Updates protected by waiter_lock */ 566 567 /* 568 * Device state 569 */ 570 571 uint32_t traces_state; 572 uint32_t enable_state; 573 uint32_t config_done_state; 574 575 /** 576 * Execbuf 577 */ 578 /** 579 * Protected by the cmdbuf mutex. 580 */ 581 582 struct vmw_sw_context ctx; 583 struct mutex cmdbuf_mutex; 584 struct mutex binding_mutex; 585 586 bool enable_fb; 587 588 /** 589 * PM management. 590 */ 591 struct notifier_block pm_nb; 592 bool refuse_hibernation; 593 bool suspend_locked; 594 595 struct mutex release_mutex; 596 atomic_t num_fifo_resources; 597 598 /* 599 * Replace this with an rwsem as soon as we have down_xx_interruptible() 600 */ 601 struct ttm_lock reservation_sem; 602 603 /* 604 * Query processing. These members 605 * are protected by the cmdbuf mutex. 606 */ 607 608 struct vmw_buffer_object *dummy_query_bo; 609 struct vmw_buffer_object *pinned_bo; 610 uint32_t query_cid; 611 uint32_t query_cid_valid; 612 bool dummy_query_bo_pinned; 613 614 /* 615 * Surface swapping. The "surface_lru" list is protected by the 616 * resource lock in order to be able to destroy a surface and take 617 * it off the lru atomically. "used_memory_size" is currently 618 * protected by the cmdbuf mutex for simplicity. 619 */ 620 621 struct list_head res_lru[vmw_res_max]; 622 uint32_t used_memory_size; 623 624 /* 625 * DMA mapping stuff. 626 */ 627 enum vmw_dma_map_mode map_mode; 628 629 /* 630 * Guest Backed stuff 631 */ 632 struct vmw_otable_batch otable_batch; 633 634 struct vmw_cmdbuf_man *cman; 635 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 636 637 /* Validation memory reservation */ 638 struct vmw_validation_mem vvm; 639 }; 640 641 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 642 { 643 return container_of(res, struct vmw_surface, res); 644 } 645 646 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 647 { 648 return (struct vmw_private *)dev->dev_private; 649 } 650 651 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 652 { 653 return (struct vmw_fpriv *)file_priv->driver_priv; 654 } 655 656 /* 657 * The locking here is fine-grained, so that it is performed once 658 * for every read- and write operation. This is of course costly, but we 659 * don't perform much register access in the timing critical paths anyway. 660 * Instead we have the extra benefit of being sure that we don't forget 661 * the hw lock around register accesses. 662 */ 663 static inline void vmw_write(struct vmw_private *dev_priv, 664 unsigned int offset, uint32_t value) 665 { 666 spin_lock(&dev_priv->hw_lock); 667 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 668 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 669 spin_unlock(&dev_priv->hw_lock); 670 } 671 672 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 673 unsigned int offset) 674 { 675 u32 val; 676 677 spin_lock(&dev_priv->hw_lock); 678 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 679 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 680 spin_unlock(&dev_priv->hw_lock); 681 682 return val; 683 } 684 685 /** 686 * has_sm4_context - Does the device support SM4 context. 687 * @dev_priv: Device private. 688 * 689 * Return: Bool value if device support SM4 context or not. 690 */ 691 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 692 { 693 return (dev_priv->sm_type >= VMW_SM_4); 694 } 695 696 /** 697 * has_sm4_1_context - Does the device support SM4_1 context. 698 * @dev_priv: Device private. 699 * 700 * Return: Bool value if device support SM4_1 context or not. 701 */ 702 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 703 { 704 return (dev_priv->sm_type >= VMW_SM_4_1); 705 } 706 707 /** 708 * has_sm5_context - Does the device support SM5 context. 709 * @dev_priv: Device private. 710 * 711 * Return: Bool value if device support SM5 context or not. 712 */ 713 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 714 { 715 return (dev_priv->sm_type >= VMW_SM_5); 716 } 717 718 extern void vmw_svga_enable(struct vmw_private *dev_priv); 719 extern void vmw_svga_disable(struct vmw_private *dev_priv); 720 721 722 /** 723 * GMR utilities - vmwgfx_gmr.c 724 */ 725 726 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 727 const struct vmw_sg_table *vsgt, 728 unsigned long num_pages, 729 int gmr_id); 730 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 731 732 /** 733 * Resource utilities - vmwgfx_resource.c 734 */ 735 struct vmw_user_resource_conv; 736 737 extern void vmw_resource_unreference(struct vmw_resource **p_res); 738 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 739 extern struct vmw_resource * 740 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 741 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 742 bool dirtying); 743 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 744 bool no_backup); 745 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 746 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 747 struct ttm_object_file *tfile, 748 uint32_t handle, 749 struct vmw_surface **out_surf, 750 struct vmw_buffer_object **out_buf); 751 extern int vmw_user_resource_lookup_handle( 752 struct vmw_private *dev_priv, 753 struct ttm_object_file *tfile, 754 uint32_t handle, 755 const struct vmw_user_resource_conv *converter, 756 struct vmw_resource **p_res); 757 extern struct vmw_resource * 758 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 759 struct ttm_object_file *tfile, 760 uint32_t handle, 761 const struct vmw_user_resource_conv * 762 converter); 763 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 764 struct drm_file *file_priv); 765 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 766 struct drm_file *file_priv); 767 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 768 struct ttm_object_file *tfile, 769 uint32_t *inout_id, 770 struct vmw_resource **out); 771 extern void vmw_resource_unreserve(struct vmw_resource *res, 772 bool dirty_set, 773 bool dirty, 774 bool switch_backup, 775 struct vmw_buffer_object *new_backup, 776 unsigned long new_backup_offset); 777 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 778 struct ttm_resource *mem); 779 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 780 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 781 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 782 void vmw_resource_mob_attach(struct vmw_resource *res); 783 void vmw_resource_mob_detach(struct vmw_resource *res); 784 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 785 pgoff_t end); 786 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 787 pgoff_t end, pgoff_t *num_prefault); 788 789 /** 790 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 791 * @res: The resource 792 * 793 * Return: true if the resource has a mob attached, false otherwise. 794 */ 795 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 796 { 797 return !RB_EMPTY_NODE(&res->mob_node); 798 } 799 800 /** 801 * vmw_user_resource_noref_release - release a user resource pointer looked up 802 * without reference 803 */ 804 static inline void vmw_user_resource_noref_release(void) 805 { 806 ttm_base_object_noref_release(); 807 } 808 809 /** 810 * Buffer object helper functions - vmwgfx_bo.c 811 */ 812 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 813 struct vmw_buffer_object *bo, 814 struct ttm_placement *placement, 815 bool interruptible); 816 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 817 struct vmw_buffer_object *buf, 818 bool interruptible); 819 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 820 struct vmw_buffer_object *buf, 821 bool interruptible); 822 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 823 struct vmw_buffer_object *bo, 824 bool interruptible); 825 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 826 struct vmw_buffer_object *bo, 827 bool interruptible); 828 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 829 SVGAGuestPtr *ptr); 830 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 831 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 832 extern int vmw_bo_create_kernel(struct vmw_private *dev_priv, 833 unsigned long size, 834 struct ttm_placement *placement, 835 struct ttm_buffer_object **p_bo); 836 extern int vmw_bo_init(struct vmw_private *dev_priv, 837 struct vmw_buffer_object *vmw_bo, 838 size_t size, struct ttm_placement *placement, 839 bool interruptible, bool pin, 840 void (*bo_free)(struct ttm_buffer_object *bo)); 841 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 842 struct ttm_object_file *tfile); 843 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 844 struct ttm_object_file *tfile, 845 uint32_t size, 846 bool shareable, 847 uint32_t *handle, 848 struct vmw_buffer_object **p_dma_buf, 849 struct ttm_base_object **p_base); 850 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 851 struct vmw_buffer_object *dma_buf, 852 uint32_t *handle); 853 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 854 struct drm_file *file_priv); 855 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 856 struct drm_file *file_priv); 857 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 858 struct drm_file *file_priv); 859 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 860 uint32_t id, struct vmw_buffer_object **out, 861 struct ttm_base_object **base); 862 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 863 struct vmw_fence_obj *fence); 864 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 865 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 866 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 867 struct ttm_resource *mem); 868 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 869 extern struct vmw_buffer_object * 870 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 871 872 /** 873 * vmw_user_bo_noref_release - release a buffer object pointer looked up 874 * without reference 875 */ 876 static inline void vmw_user_bo_noref_release(void) 877 { 878 ttm_base_object_noref_release(); 879 } 880 881 /** 882 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 883 * according to attached resources 884 * @vbo: The struct vmw_buffer_object 885 */ 886 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 887 { 888 int i = ARRAY_SIZE(vbo->res_prios); 889 890 while (i--) { 891 if (vbo->res_prios[i]) { 892 vbo->base.priority = i; 893 return; 894 } 895 } 896 897 vbo->base.priority = 3; 898 } 899 900 /** 901 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 902 * eviction priority 903 * @vbo: The struct vmw_buffer_object 904 * @prio: The resource priority 905 * 906 * After being notified, the code assigns the highest resource eviction priority 907 * to the backing buffer object (mob). 908 */ 909 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 910 { 911 if (vbo->res_prios[prio]++ == 0) 912 vmw_bo_prio_adjust(vbo); 913 } 914 915 /** 916 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 917 * priority being removed 918 * @vbo: The struct vmw_buffer_object 919 * @prio: The resource priority 920 * 921 * After being notified, the code assigns the highest resource eviction priority 922 * to the backing buffer object (mob). 923 */ 924 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 925 { 926 if (--vbo->res_prios[prio] == 0) 927 vmw_bo_prio_adjust(vbo); 928 } 929 930 /** 931 * Misc Ioctl functionality - vmwgfx_ioctl.c 932 */ 933 934 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 935 struct drm_file *file_priv); 936 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 937 struct drm_file *file_priv); 938 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 939 struct drm_file *file_priv); 940 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 941 struct drm_file *file_priv); 942 extern __poll_t vmw_fops_poll(struct file *filp, 943 struct poll_table_struct *wait); 944 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 945 size_t count, loff_t *offset); 946 947 /** 948 * Fifo utilities - vmwgfx_fifo.c 949 */ 950 951 extern int vmw_fifo_init(struct vmw_private *dev_priv, 952 struct vmw_fifo_state *fifo); 953 extern void vmw_fifo_release(struct vmw_private *dev_priv, 954 struct vmw_fifo_state *fifo); 955 extern void * 956 vmw_cmd_ctx_reserve(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 957 extern void vmw_cmd_commit(struct vmw_private *dev_priv, uint32_t bytes); 958 extern void vmw_cmd_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 959 extern int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno); 960 extern bool vmw_supports_3d(struct vmw_private *dev_priv); 961 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 962 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 963 extern int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv, 964 uint32_t cid); 965 extern int vmw_cmd_flush(struct vmw_private *dev_priv, 966 bool interruptible); 967 968 #define VMW_CMD_CTX_RESERVE(__priv, __bytes, __ctx_id) \ 969 ({ \ 970 vmw_cmd_ctx_reserve(__priv, __bytes, __ctx_id) ? : ({ \ 971 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 972 __func__, (unsigned int) __bytes); \ 973 NULL; \ 974 }); \ 975 }) 976 977 #define VMW_CMD_RESERVE(__priv, __bytes) \ 978 VMW_CMD_CTX_RESERVE(__priv, __bytes, SVGA3D_INVALID_ID) 979 980 /** 981 * TTM glue - vmwgfx_ttm_glue.c 982 */ 983 984 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 985 986 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 987 size_t gran); 988 989 /** 990 * TTM buffer object driver - vmwgfx_ttm_buffer.c 991 */ 992 993 extern const size_t vmw_tt_size; 994 extern struct ttm_placement vmw_vram_placement; 995 extern struct ttm_placement vmw_vram_sys_placement; 996 extern struct ttm_placement vmw_vram_gmr_placement; 997 extern struct ttm_placement vmw_sys_placement; 998 extern struct ttm_placement vmw_evictable_placement; 999 extern struct ttm_placement vmw_srf_placement; 1000 extern struct ttm_placement vmw_mob_placement; 1001 extern struct ttm_placement vmw_nonfixed_placement; 1002 extern struct ttm_bo_driver vmw_bo_driver; 1003 extern const struct vmw_sg_table * 1004 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1005 extern int vmw_bo_create_and_populate(struct vmw_private *dev_priv, 1006 unsigned long bo_size, 1007 struct ttm_buffer_object **bo_p); 1008 1009 extern void vmw_piter_start(struct vmw_piter *viter, 1010 const struct vmw_sg_table *vsgt, 1011 unsigned long p_offs); 1012 1013 /** 1014 * vmw_piter_next - Advance the iterator one page. 1015 * 1016 * @viter: Pointer to the iterator to advance. 1017 * 1018 * Returns false if past the list of pages, true otherwise. 1019 */ 1020 static inline bool vmw_piter_next(struct vmw_piter *viter) 1021 { 1022 return viter->next(viter); 1023 } 1024 1025 /** 1026 * vmw_piter_dma_addr - Return the DMA address of the current page. 1027 * 1028 * @viter: Pointer to the iterator 1029 * 1030 * Returns the DMA address of the page pointed to by @viter. 1031 */ 1032 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1033 { 1034 return viter->dma_address(viter); 1035 } 1036 1037 /** 1038 * vmw_piter_page - Return a pointer to the current page. 1039 * 1040 * @viter: Pointer to the iterator 1041 * 1042 * Returns the DMA address of the page pointed to by @viter. 1043 */ 1044 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1045 { 1046 return viter->page(viter); 1047 } 1048 1049 /** 1050 * Command submission - vmwgfx_execbuf.c 1051 */ 1052 1053 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1054 struct drm_file *file_priv); 1055 extern int vmw_execbuf_process(struct drm_file *file_priv, 1056 struct vmw_private *dev_priv, 1057 void __user *user_commands, 1058 void *kernel_commands, 1059 uint32_t command_size, 1060 uint64_t throttle_us, 1061 uint32_t dx_context_handle, 1062 struct drm_vmw_fence_rep __user 1063 *user_fence_rep, 1064 struct vmw_fence_obj **out_fence, 1065 uint32_t flags); 1066 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1067 struct vmw_fence_obj *fence); 1068 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1069 1070 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1071 struct vmw_private *dev_priv, 1072 struct vmw_fence_obj **p_fence, 1073 uint32_t *p_handle); 1074 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1075 struct vmw_fpriv *vmw_fp, 1076 int ret, 1077 struct drm_vmw_fence_rep __user 1078 *user_fence_rep, 1079 struct vmw_fence_obj *fence, 1080 uint32_t fence_handle, 1081 int32_t out_fence_fd, 1082 struct sync_file *sync_file); 1083 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1084 1085 /** 1086 * IRQs and wating - vmwgfx_irq.c 1087 */ 1088 1089 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1090 uint32_t seqno, bool interruptible, 1091 unsigned long timeout); 1092 extern int vmw_irq_install(struct drm_device *dev, int irq); 1093 extern void vmw_irq_uninstall(struct drm_device *dev); 1094 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1095 uint32_t seqno); 1096 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1097 bool lazy, 1098 bool fifo_idle, 1099 uint32_t seqno, 1100 bool interruptible, 1101 unsigned long timeout); 1102 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1103 struct vmw_fifo_state *fifo_state); 1104 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1105 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1106 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1107 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1108 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1109 int *waiter_count); 1110 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1111 u32 flag, int *waiter_count); 1112 1113 1114 /** 1115 * Kernel framebuffer - vmwgfx_fb.c 1116 */ 1117 1118 int vmw_fb_init(struct vmw_private *vmw_priv); 1119 int vmw_fb_close(struct vmw_private *dev_priv); 1120 int vmw_fb_off(struct vmw_private *vmw_priv); 1121 int vmw_fb_on(struct vmw_private *vmw_priv); 1122 1123 /** 1124 * Kernel modesetting - vmwgfx_kms.c 1125 */ 1126 1127 int vmw_kms_init(struct vmw_private *dev_priv); 1128 int vmw_kms_close(struct vmw_private *dev_priv); 1129 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1130 struct drm_file *file_priv); 1131 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1132 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1133 struct ttm_object_file *tfile, 1134 struct ttm_buffer_object *bo, 1135 SVGA3dCmdHeader *header); 1136 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1137 unsigned width, unsigned height, unsigned pitch, 1138 unsigned bpp, unsigned depth); 1139 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1140 uint32_t pitch, 1141 uint32_t height); 1142 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1143 int vmw_enable_vblank(struct drm_crtc *crtc); 1144 void vmw_disable_vblank(struct drm_crtc *crtc); 1145 int vmw_kms_present(struct vmw_private *dev_priv, 1146 struct drm_file *file_priv, 1147 struct vmw_framebuffer *vfb, 1148 struct vmw_surface *surface, 1149 uint32_t sid, int32_t destX, int32_t destY, 1150 struct drm_vmw_rect *clips, 1151 uint32_t num_clips); 1152 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1153 struct drm_file *file_priv); 1154 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1155 int vmw_kms_suspend(struct drm_device *dev); 1156 int vmw_kms_resume(struct drm_device *dev); 1157 void vmw_kms_lost_device(struct drm_device *dev); 1158 1159 int vmw_dumb_create(struct drm_file *file_priv, 1160 struct drm_device *dev, 1161 struct drm_mode_create_dumb *args); 1162 1163 int vmw_dumb_map_offset(struct drm_file *file_priv, 1164 struct drm_device *dev, uint32_t handle, 1165 uint64_t *offset); 1166 int vmw_dumb_destroy(struct drm_file *file_priv, 1167 struct drm_device *dev, 1168 uint32_t handle); 1169 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1170 extern void vmw_resource_unpin(struct vmw_resource *res); 1171 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1172 1173 /** 1174 * Overlay control - vmwgfx_overlay.c 1175 */ 1176 1177 int vmw_overlay_init(struct vmw_private *dev_priv); 1178 int vmw_overlay_close(struct vmw_private *dev_priv); 1179 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1182 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1183 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1184 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1185 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1186 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1187 1188 /** 1189 * GMR Id manager 1190 */ 1191 1192 int vmw_gmrid_man_init(struct vmw_private *dev_priv, int type); 1193 void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type); 1194 1195 /** 1196 * Prime - vmwgfx_prime.c 1197 */ 1198 1199 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1200 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1201 struct drm_file *file_priv, 1202 int fd, u32 *handle); 1203 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1204 struct drm_file *file_priv, 1205 uint32_t handle, uint32_t flags, 1206 int *prime_fd); 1207 1208 /* 1209 * MemoryOBject management - vmwgfx_mob.c 1210 */ 1211 struct vmw_mob; 1212 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1213 const struct vmw_sg_table *vsgt, 1214 unsigned long num_data_pages, int32_t mob_id); 1215 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1216 struct vmw_mob *mob); 1217 extern void vmw_mob_destroy(struct vmw_mob *mob); 1218 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1219 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1220 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1221 1222 /* 1223 * Context management - vmwgfx_context.c 1224 */ 1225 1226 extern const struct vmw_user_resource_conv *user_context_converter; 1227 1228 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1229 struct drm_file *file_priv); 1230 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1231 struct drm_file *file_priv); 1232 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1233 struct drm_file *file_priv); 1234 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1235 extern struct vmw_cmdbuf_res_manager * 1236 vmw_context_res_man(struct vmw_resource *ctx); 1237 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1238 SVGACOTableType cotable_type); 1239 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1240 struct vmw_ctx_binding_state; 1241 extern struct vmw_ctx_binding_state * 1242 vmw_context_binding_state(struct vmw_resource *ctx); 1243 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1244 bool readback); 1245 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1246 struct vmw_buffer_object *mob); 1247 extern struct vmw_buffer_object * 1248 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1249 1250 1251 /* 1252 * Surface management - vmwgfx_surface.c 1253 */ 1254 1255 extern const struct vmw_user_resource_conv *user_surface_converter; 1256 1257 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1258 struct drm_file *file_priv); 1259 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1260 struct drm_file *file_priv); 1261 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1262 struct drm_file *file_priv); 1263 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1264 struct drm_file *file_priv); 1265 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1266 struct drm_file *file_priv); 1267 int vmw_surface_gb_priv_define(struct drm_device *dev, 1268 uint32_t user_accounting_size, 1269 SVGA3dSurfaceAllFlags svga3d_flags, 1270 SVGA3dSurfaceFormat format, 1271 bool for_scanout, 1272 uint32_t num_mip_levels, 1273 uint32_t multisample_count, 1274 uint32_t array_size, 1275 struct drm_vmw_size size, 1276 SVGA3dMSPattern multisample_pattern, 1277 SVGA3dMSQualityLevel quality_level, 1278 struct vmw_surface **srf_out); 1279 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1280 void *data, 1281 struct drm_file *file_priv); 1282 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1283 void *data, 1284 struct drm_file *file_priv); 1285 1286 int vmw_gb_surface_define(struct vmw_private *dev_priv, 1287 uint32_t user_accounting_size, 1288 const struct vmw_surface_metadata *req, 1289 struct vmw_surface **srf_out); 1290 1291 /* 1292 * Shader management - vmwgfx_shader.c 1293 */ 1294 1295 extern const struct vmw_user_resource_conv *user_shader_converter; 1296 1297 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1298 struct drm_file *file_priv); 1299 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1300 struct drm_file *file_priv); 1301 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1302 struct vmw_cmdbuf_res_manager *man, 1303 u32 user_key, const void *bytecode, 1304 SVGA3dShaderType shader_type, 1305 size_t size, 1306 struct list_head *list); 1307 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1308 u32 user_key, SVGA3dShaderType shader_type, 1309 struct list_head *list); 1310 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1311 struct vmw_resource *ctx, 1312 u32 user_key, 1313 SVGA3dShaderType shader_type, 1314 struct list_head *list); 1315 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1316 struct list_head *list, 1317 bool readback); 1318 1319 extern struct vmw_resource * 1320 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1321 u32 user_key, SVGA3dShaderType shader_type); 1322 1323 /* 1324 * Streamoutput management 1325 */ 1326 struct vmw_resource * 1327 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1328 u32 user_key); 1329 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1330 struct vmw_resource *ctx, 1331 SVGA3dStreamOutputId user_key, 1332 struct list_head *list); 1333 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1334 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1335 SVGA3dStreamOutputId user_key, 1336 struct list_head *list); 1337 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1338 struct list_head *list, 1339 bool readback); 1340 1341 /* 1342 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1343 */ 1344 1345 extern struct vmw_cmdbuf_res_manager * 1346 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1347 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1348 extern size_t vmw_cmdbuf_res_man_size(void); 1349 extern struct vmw_resource * 1350 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1351 enum vmw_cmdbuf_res_type res_type, 1352 u32 user_key); 1353 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1354 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1355 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1356 enum vmw_cmdbuf_res_type res_type, 1357 u32 user_key, 1358 struct vmw_resource *res, 1359 struct list_head *list); 1360 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1361 enum vmw_cmdbuf_res_type res_type, 1362 u32 user_key, 1363 struct list_head *list, 1364 struct vmw_resource **res); 1365 1366 /* 1367 * COTable management - vmwgfx_cotable.c 1368 */ 1369 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1370 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1371 struct vmw_resource *ctx, 1372 u32 type); 1373 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1374 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1375 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1376 struct list_head *head); 1377 1378 /* 1379 * Command buffer managerment vmwgfx_cmdbuf.c 1380 */ 1381 struct vmw_cmdbuf_man; 1382 struct vmw_cmdbuf_header; 1383 1384 extern struct vmw_cmdbuf_man * 1385 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1386 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, size_t size); 1387 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1388 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1389 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1390 unsigned long timeout); 1391 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1392 int ctx_id, bool interruptible, 1393 struct vmw_cmdbuf_header *header); 1394 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1395 struct vmw_cmdbuf_header *header, 1396 bool flush); 1397 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1398 size_t size, bool interruptible, 1399 struct vmw_cmdbuf_header **p_header); 1400 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1401 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1402 bool interruptible); 1403 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1404 1405 /* CPU blit utilities - vmwgfx_blit.c */ 1406 1407 /** 1408 * struct vmw_diff_cpy - CPU blit information structure 1409 * 1410 * @rect: The output bounding box rectangle. 1411 * @line: The current line of the blit. 1412 * @line_offset: Offset of the current line segment. 1413 * @cpp: Bytes per pixel (granularity information). 1414 * @memcpy: Which memcpy function to use. 1415 */ 1416 struct vmw_diff_cpy { 1417 struct drm_rect rect; 1418 size_t line; 1419 size_t line_offset; 1420 int cpp; 1421 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1422 size_t n); 1423 }; 1424 1425 #define VMW_CPU_BLIT_INITIALIZER { \ 1426 .do_cpy = vmw_memcpy, \ 1427 } 1428 1429 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1430 .line = 0, \ 1431 .line_offset = 0, \ 1432 .rect = { .x1 = INT_MAX/2, \ 1433 .y1 = INT_MAX/2, \ 1434 .x2 = INT_MIN/2, \ 1435 .y2 = INT_MIN/2 \ 1436 }, \ 1437 .cpp = _cpp, \ 1438 .do_cpy = vmw_diff_memcpy, \ 1439 } 1440 1441 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1442 size_t n); 1443 1444 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1445 1446 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1447 u32 dst_offset, u32 dst_stride, 1448 struct ttm_buffer_object *src, 1449 u32 src_offset, u32 src_stride, 1450 u32 w, u32 h, 1451 struct vmw_diff_cpy *diff); 1452 1453 /* Host messaging -vmwgfx_msg.c: */ 1454 int vmw_host_get_guestinfo(const char *guest_info_param, 1455 char *buffer, size_t *length); 1456 int vmw_host_log(const char *log); 1457 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1458 struct drm_file *file_priv); 1459 1460 /* VMW logging */ 1461 1462 /** 1463 * VMW_DEBUG_USER - Debug output for user-space debugging. 1464 * 1465 * @fmt: printf() like format string. 1466 * 1467 * This macro is for logging user-space error and debugging messages for e.g. 1468 * command buffer execution errors due to malformed commands, invalid context, 1469 * etc. 1470 */ 1471 #define VMW_DEBUG_USER(fmt, ...) \ 1472 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1473 1474 /* Resource dirtying - vmwgfx_page_dirty.c */ 1475 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1476 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1477 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1478 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1479 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1480 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1481 pgoff_t start, pgoff_t end); 1482 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1483 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1484 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1485 vm_fault_t vmw_bo_vm_huge_fault(struct vm_fault *vmf, 1486 enum page_entry_size pe_size); 1487 #endif 1488 1489 /* Transparent hugepage support - vmwgfx_thp.c */ 1490 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 1491 extern int vmw_thp_init(struct vmw_private *dev_priv); 1492 void vmw_thp_fini(struct vmw_private *dev_priv); 1493 #endif 1494 1495 /** 1496 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1497 * 1498 * This macro is for debugging vmwgfx mode-setting code. 1499 */ 1500 #define VMW_DEBUG_KMS(fmt, ...) \ 1501 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1502 1503 /** 1504 * Inline helper functions 1505 */ 1506 1507 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1508 { 1509 struct vmw_surface *tmp_srf = *srf; 1510 struct vmw_resource *res = &tmp_srf->res; 1511 *srf = NULL; 1512 1513 vmw_resource_unreference(&res); 1514 } 1515 1516 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1517 { 1518 (void) vmw_resource_reference(&srf->res); 1519 return srf; 1520 } 1521 1522 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1523 { 1524 struct vmw_buffer_object *tmp_buf = *buf; 1525 1526 *buf = NULL; 1527 if (tmp_buf != NULL) { 1528 ttm_bo_put(&tmp_buf->base); 1529 } 1530 } 1531 1532 static inline struct vmw_buffer_object * 1533 vmw_bo_reference(struct vmw_buffer_object *buf) 1534 { 1535 ttm_bo_get(&buf->base); 1536 return buf; 1537 } 1538 1539 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1540 { 1541 return &ttm_mem_glob; 1542 } 1543 1544 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1545 { 1546 atomic_inc(&dev_priv->num_fifo_resources); 1547 } 1548 1549 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1550 { 1551 atomic_dec(&dev_priv->num_fifo_resources); 1552 } 1553 1554 /** 1555 * vmw_fifo_mem_read - Perform a MMIO read from the fifo memory 1556 * 1557 * @fifo_reg: The fifo register to read from 1558 * 1559 * This function is intended to be equivalent to ioread32() on 1560 * memremap'd memory, but without byteswapping. 1561 */ 1562 static inline u32 vmw_fifo_mem_read(struct vmw_private *vmw, uint32 fifo_reg) 1563 { 1564 return READ_ONCE(*(vmw->fifo_mem + fifo_reg)); 1565 } 1566 1567 /** 1568 * vmw_fifo_mem_write - Perform a MMIO write to volatile memory 1569 * 1570 * @addr: The fifo register to write to 1571 * 1572 * This function is intended to be equivalent to iowrite32 on 1573 * memremap'd memory, but without byteswapping. 1574 */ 1575 static inline void vmw_fifo_mem_write(struct vmw_private *vmw, u32 fifo_reg, 1576 u32 value) 1577 { 1578 WRITE_ONCE(*(vmw->fifo_mem + fifo_reg), value); 1579 } 1580 #endif 1581