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 17 62 #define VMWGFX_DRIVER_PATCHLEVEL 0 63 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) 64 #define VMWGFX_MAX_RELOCATIONS 2048 65 #define VMWGFX_MAX_VALIDATIONS 2048 66 #define VMWGFX_MAX_DISPLAYS 16 67 #define VMWGFX_CMD_BOUNCE_INIT_SIZE 32768 68 #define VMWGFX_ENABLE_SCREEN_TARGET_OTABLE 1 69 70 /* 71 * Perhaps we should have sysfs entries for these. 72 */ 73 #define VMWGFX_NUM_GB_CONTEXT 256 74 #define VMWGFX_NUM_GB_SHADER 20000 75 #define VMWGFX_NUM_GB_SURFACE 32768 76 #define VMWGFX_NUM_GB_SCREEN_TARGET VMWGFX_MAX_DISPLAYS 77 #define VMWGFX_NUM_DXCONTEXT 256 78 #define VMWGFX_NUM_DXQUERY 512 79 #define VMWGFX_NUM_MOB (VMWGFX_NUM_GB_CONTEXT +\ 80 VMWGFX_NUM_GB_SHADER +\ 81 VMWGFX_NUM_GB_SURFACE +\ 82 VMWGFX_NUM_GB_SCREEN_TARGET) 83 84 #define VMW_PL_GMR (TTM_PL_PRIV + 0) 85 #define VMW_PL_FLAG_GMR (TTM_PL_FLAG_PRIV << 0) 86 #define VMW_PL_MOB (TTM_PL_PRIV + 1) 87 #define VMW_PL_FLAG_MOB (TTM_PL_FLAG_PRIV << 1) 88 89 #define VMW_RES_CONTEXT ttm_driver_type0 90 #define VMW_RES_SURFACE ttm_driver_type1 91 #define VMW_RES_STREAM ttm_driver_type2 92 #define VMW_RES_FENCE ttm_driver_type3 93 #define VMW_RES_SHADER ttm_driver_type4 94 95 struct vmw_fpriv { 96 struct ttm_object_file *tfile; 97 bool gb_aware; /* user-space is guest-backed aware */ 98 }; 99 100 /** 101 * struct vmw_buffer_object - TTM buffer object with vmwgfx additions 102 * @base: The TTM buffer object 103 * @res_tree: RB tree of resources using this buffer object as a backing MOB 104 * @pin_count: pin depth 105 * @cpu_writers: Number of synccpu write grabs. Protected by reservation when 106 * increased. May be decreased without reservation. 107 * @dx_query_ctx: DX context if this buffer object is used as a DX query MOB 108 * @map: Kmap object for semi-persistent mappings 109 * @res_prios: Eviction priority counts for attached resources 110 * @dirty: structure for user-space dirty-tracking 111 */ 112 struct vmw_buffer_object { 113 struct ttm_buffer_object base; 114 struct rb_root res_tree; 115 s32 pin_count; 116 atomic_t cpu_writers; 117 /* Not ref-counted. Protected by binding_mutex */ 118 struct vmw_resource *dx_query_ctx; 119 /* Protected by reservation */ 120 struct ttm_bo_kmap_obj map; 121 u32 res_prios[TTM_MAX_BO_PRIORITY]; 122 struct vmw_bo_dirty *dirty; 123 }; 124 125 /** 126 * struct vmw_validate_buffer - Carries validation info about buffers. 127 * 128 * @base: Validation info for TTM. 129 * @hash: Hash entry for quick lookup of the TTM buffer object. 130 * 131 * This structure contains also driver private validation info 132 * on top of the info needed by TTM. 133 */ 134 struct vmw_validate_buffer { 135 struct ttm_validate_buffer base; 136 struct drm_hash_item hash; 137 bool validate_as_mob; 138 }; 139 140 struct vmw_res_func; 141 142 143 /** 144 * struct vmw-resource - base class for hardware resources 145 * 146 * @kref: For refcounting. 147 * @dev_priv: Pointer to the device private for this resource. Immutable. 148 * @id: Device id. Protected by @dev_priv::resource_lock. 149 * @backup_size: Backup buffer size. Immutable. 150 * @res_dirty: Resource contains data not yet in the backup buffer. Protected 151 * by resource reserved. 152 * @backup_dirty: Backup buffer contains data not yet in the HW resource. 153 * Protected by resource reserved. 154 * @coherent: Emulate coherency by tracking vm accesses. 155 * @backup: The backup buffer if any. Protected by resource reserved. 156 * @backup_offset: Offset into the backup buffer if any. Protected by resource 157 * reserved. Note that only a few resource types can have a @backup_offset 158 * different from zero. 159 * @pin_count: The pin count for this resource. A pinned resource has a 160 * pin-count greater than zero. It is not on the resource LRU lists and its 161 * backup buffer is pinned. Hence it can't be evicted. 162 * @func: Method vtable for this resource. Immutable. 163 * @mob_node; Node for the MOB backup rbtree. Protected by @backup reserved. 164 * @lru_head: List head for the LRU list. Protected by @dev_priv::resource_lock. 165 * @binding_head: List head for the context binding list. Protected by 166 * the @dev_priv::binding_mutex 167 * @res_free: The resource destructor. 168 * @hw_destroy: Callback to destroy the resource on the device, as part of 169 * resource destruction. 170 */ 171 struct vmw_resource_dirty; 172 struct vmw_resource { 173 struct kref kref; 174 struct vmw_private *dev_priv; 175 int id; 176 u32 used_prio; 177 unsigned long backup_size; 178 u32 res_dirty : 1; 179 u32 backup_dirty : 1; 180 u32 coherent : 1; 181 struct vmw_buffer_object *backup; 182 unsigned long backup_offset; 183 unsigned long pin_count; 184 const struct vmw_res_func *func; 185 struct rb_node mob_node; 186 struct list_head lru_head; 187 struct list_head binding_head; 188 struct vmw_resource_dirty *dirty; 189 void (*res_free) (struct vmw_resource *res); 190 void (*hw_destroy) (struct vmw_resource *res); 191 }; 192 193 194 /* 195 * Resources that are managed using ioctls. 196 */ 197 enum vmw_res_type { 198 vmw_res_context, 199 vmw_res_surface, 200 vmw_res_stream, 201 vmw_res_shader, 202 vmw_res_dx_context, 203 vmw_res_cotable, 204 vmw_res_view, 205 vmw_res_streamoutput, 206 vmw_res_max 207 }; 208 209 /* 210 * Resources that are managed using command streams. 211 */ 212 enum vmw_cmdbuf_res_type { 213 vmw_cmdbuf_res_shader, 214 vmw_cmdbuf_res_view, 215 vmw_cmdbuf_res_streamoutput 216 }; 217 218 struct vmw_cmdbuf_res_manager; 219 220 struct vmw_cursor_snooper { 221 size_t age; 222 uint32_t *image; 223 }; 224 225 struct vmw_framebuffer; 226 struct vmw_surface_offset; 227 228 /** 229 * struct vmw_surface_metadata - Metadata describing a surface. 230 * 231 * @flags: Device flags. 232 * @format: Surface SVGA3D_x format. 233 * @mip_levels: Mip level for each face. For GB first index is used only. 234 * @multisample_count: Sample count. 235 * @multisample_pattern: Sample patterns. 236 * @quality_level: Quality level. 237 * @autogen_filter: Filter for automatically generated mipmaps. 238 * @array_size: Number of array elements for a 1D/2D texture. For cubemap 239 texture number of faces * array_size. This should be 0 for pre 240 SM4 device. 241 * @num_sizes: Size of @sizes. For GB surface this should always be 1. 242 * @base_size: Surface dimension. 243 * @sizes: Array representing mip sizes. Legacy only. 244 * @scanout: Whether this surface will be used for scanout. 245 * 246 * This tracks metadata for both legacy and guest backed surface. 247 */ 248 struct vmw_surface_metadata { 249 u64 flags; 250 u32 format; 251 u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES]; 252 u32 multisample_count; 253 u32 multisample_pattern; 254 u32 quality_level; 255 u32 autogen_filter; 256 u32 array_size; 257 u32 num_sizes; 258 struct drm_vmw_size base_size; 259 struct drm_vmw_size *sizes; 260 bool scanout; 261 }; 262 263 /** 264 * struct vmw_surface: Resource structure for a surface. 265 * 266 * @res: The base resource for this surface. 267 * @metadata: Metadata for this surface resource. 268 * @snooper: Cursor data. Legacy surface only. 269 * @offsets: Legacy surface only. 270 * @view_list: List of views bound to this surface. 271 */ 272 struct vmw_surface { 273 struct vmw_resource res; 274 struct vmw_surface_metadata metadata; 275 struct vmw_cursor_snooper snooper; 276 struct vmw_surface_offset *offsets; 277 struct list_head view_list; 278 }; 279 280 struct vmw_marker_queue { 281 struct list_head head; 282 u64 lag; 283 u64 lag_time; 284 spinlock_t lock; 285 }; 286 287 struct vmw_fifo_state { 288 unsigned long reserved_size; 289 u32 *dynamic_buffer; 290 u32 *static_buffer; 291 unsigned long static_buffer_size; 292 bool using_bounce_buffer; 293 uint32_t capabilities; 294 struct mutex fifo_mutex; 295 struct rw_semaphore rwsem; 296 struct vmw_marker_queue marker_queue; 297 bool dx; 298 }; 299 300 /** 301 * struct vmw_res_cache_entry - resource information cache entry 302 * @handle: User-space handle of a resource. 303 * @res: Non-ref-counted pointer to the resource. 304 * @valid_handle: Whether the @handle member is valid. 305 * @valid: Whether the entry is valid, which also implies that the execbuf 306 * code holds a reference to the resource, and it's placed on the 307 * validation list. 308 * 309 * Used to avoid frequent repeated user-space handle lookups of the 310 * same resource. 311 */ 312 struct vmw_res_cache_entry { 313 uint32_t handle; 314 struct vmw_resource *res; 315 void *private; 316 unsigned short valid_handle; 317 unsigned short valid; 318 }; 319 320 /** 321 * enum vmw_dma_map_mode - indicate how to perform TTM page dma mappings. 322 */ 323 enum vmw_dma_map_mode { 324 vmw_dma_phys, /* Use physical page addresses */ 325 vmw_dma_alloc_coherent, /* Use TTM coherent pages */ 326 vmw_dma_map_populate, /* Unmap from DMA just after unpopulate */ 327 vmw_dma_map_bind, /* Unmap from DMA just before unbind */ 328 vmw_dma_map_max 329 }; 330 331 /** 332 * struct vmw_sg_table - Scatter/gather table for binding, with additional 333 * device-specific information. 334 * 335 * @sgt: Pointer to a struct sg_table with binding information 336 * @num_regions: Number of regions with device-address contiguous pages 337 */ 338 struct vmw_sg_table { 339 enum vmw_dma_map_mode mode; 340 struct page **pages; 341 const dma_addr_t *addrs; 342 struct sg_table *sgt; 343 unsigned long num_regions; 344 unsigned long num_pages; 345 }; 346 347 /** 348 * struct vmw_piter - Page iterator that iterates over a list of pages 349 * and DMA addresses that could be either a scatter-gather list or 350 * arrays 351 * 352 * @pages: Array of page pointers to the pages. 353 * @addrs: DMA addresses to the pages if coherent pages are used. 354 * @iter: Scatter-gather page iterator. Current position in SG list. 355 * @i: Current position in arrays. 356 * @num_pages: Number of pages total. 357 * @next: Function to advance the iterator. Returns false if past the list 358 * of pages, true otherwise. 359 * @dma_address: Function to return the DMA address of the current page. 360 */ 361 struct vmw_piter { 362 struct page **pages; 363 const dma_addr_t *addrs; 364 struct sg_dma_page_iter iter; 365 unsigned long i; 366 unsigned long num_pages; 367 bool (*next)(struct vmw_piter *); 368 dma_addr_t (*dma_address)(struct vmw_piter *); 369 struct page *(*page)(struct vmw_piter *); 370 }; 371 372 /* 373 * enum vmw_display_unit_type - Describes the display unit 374 */ 375 enum vmw_display_unit_type { 376 vmw_du_invalid = 0, 377 vmw_du_legacy, 378 vmw_du_screen_object, 379 vmw_du_screen_target 380 }; 381 382 struct vmw_validation_context; 383 struct vmw_ctx_validation_info; 384 385 /** 386 * struct vmw_sw_context - Command submission context 387 * @res_ht: Pointer hash table used to find validation duplicates 388 * @kernel: Whether the command buffer originates from kernel code rather 389 * than from user-space 390 * @fp: If @kernel is false, points to the file of the client. Otherwise 391 * NULL 392 * @cmd_bounce: Command bounce buffer used for command validation before 393 * copying to fifo space 394 * @cmd_bounce_size: Current command bounce buffer size 395 * @cur_query_bo: Current buffer object used as query result buffer 396 * @bo_relocations: List of buffer object relocations 397 * @res_relocations: List of resource relocations 398 * @buf_start: Pointer to start of memory where command validation takes 399 * place 400 * @res_cache: Cache of recently looked up resources 401 * @last_query_ctx: Last context that submitted a query 402 * @needs_post_query_barrier: Whether a query barrier is needed after 403 * command submission 404 * @staged_bindings: Cached per-context binding tracker 405 * @staged_bindings_inuse: Whether the cached per-context binding tracker 406 * is in use 407 * @staged_cmd_res: List of staged command buffer managed resources in this 408 * command buffer 409 * @ctx_list: List of context resources referenced in this command buffer 410 * @dx_ctx_node: Validation metadata of the current DX context 411 * @dx_query_mob: The MOB used for DX queries 412 * @dx_query_ctx: The DX context used for the last DX query 413 * @man: Pointer to the command buffer managed resource manager 414 * @ctx: The validation context 415 */ 416 struct vmw_sw_context{ 417 struct drm_open_hash res_ht; 418 bool res_ht_initialized; 419 bool kernel; 420 struct vmw_fpriv *fp; 421 uint32_t *cmd_bounce; 422 uint32_t cmd_bounce_size; 423 struct vmw_buffer_object *cur_query_bo; 424 struct list_head bo_relocations; 425 struct list_head res_relocations; 426 uint32_t *buf_start; 427 struct vmw_res_cache_entry res_cache[vmw_res_max]; 428 struct vmw_resource *last_query_ctx; 429 bool needs_post_query_barrier; 430 struct vmw_ctx_binding_state *staged_bindings; 431 bool staged_bindings_inuse; 432 struct list_head staged_cmd_res; 433 struct list_head ctx_list; 434 struct vmw_ctx_validation_info *dx_ctx_node; 435 struct vmw_buffer_object *dx_query_mob; 436 struct vmw_resource *dx_query_ctx; 437 struct vmw_cmdbuf_res_manager *man; 438 struct vmw_validation_context *ctx; 439 }; 440 441 struct vmw_legacy_display; 442 struct vmw_overlay; 443 444 struct vmw_vga_topology_state { 445 uint32_t width; 446 uint32_t height; 447 uint32_t primary; 448 uint32_t pos_x; 449 uint32_t pos_y; 450 }; 451 452 453 /* 454 * struct vmw_otable - Guest Memory OBject table metadata 455 * 456 * @size: Size of the table (page-aligned). 457 * @page_table: Pointer to a struct vmw_mob holding the page table. 458 */ 459 struct vmw_otable { 460 unsigned long size; 461 struct vmw_mob *page_table; 462 bool enabled; 463 }; 464 465 struct vmw_otable_batch { 466 unsigned num_otables; 467 struct vmw_otable *otables; 468 struct vmw_resource *context; 469 struct ttm_buffer_object *otable_bo; 470 }; 471 472 enum { 473 VMW_IRQTHREAD_FENCE, 474 VMW_IRQTHREAD_CMDBUF, 475 VMW_IRQTHREAD_MAX 476 }; 477 478 /** 479 * enum vmw_sm_type - Graphics context capability supported by device. 480 * @VMW_SM_LEGACY: Pre DX context. 481 * @VMW_SM_4: Context support upto SM4. 482 * @VMW_SM_4_1: Context support upto SM4_1. 483 * @VMW_SM_5: Context support up to SM5. 484 * @VMW_SM_MAX: Should be the last. 485 */ 486 enum vmw_sm_type { 487 VMW_SM_LEGACY = 0, 488 VMW_SM_4, 489 VMW_SM_4_1, 490 VMW_SM_5, 491 VMW_SM_MAX 492 }; 493 494 struct vmw_private { 495 struct ttm_bo_device bdev; 496 497 struct vmw_fifo_state fifo; 498 499 struct drm_device *dev; 500 struct drm_vma_offset_manager vma_manager; 501 unsigned long vmw_chipset; 502 unsigned int io_start; 503 uint32_t vram_start; 504 uint32_t vram_size; 505 uint32_t prim_bb_mem; 506 uint32_t mmio_start; 507 uint32_t mmio_size; 508 uint32_t fb_max_width; 509 uint32_t fb_max_height; 510 uint32_t texture_max_width; 511 uint32_t texture_max_height; 512 uint32_t stdu_max_width; 513 uint32_t stdu_max_height; 514 uint32_t initial_width; 515 uint32_t initial_height; 516 u32 *mmio_virt; 517 uint32_t capabilities; 518 uint32_t capabilities2; 519 uint32_t max_gmr_ids; 520 uint32_t max_gmr_pages; 521 uint32_t max_mob_pages; 522 uint32_t max_mob_size; 523 uint32_t memory_size; 524 bool has_gmr; 525 bool has_mob; 526 spinlock_t hw_lock; 527 spinlock_t cap_lock; 528 bool assume_16bpp; 529 530 enum vmw_sm_type sm_type; 531 532 /* 533 * Framebuffer info. 534 */ 535 536 void *fb_info; 537 enum vmw_display_unit_type active_display_unit; 538 struct vmw_legacy_display *ldu_priv; 539 struct vmw_overlay *overlay_priv; 540 struct drm_property *hotplug_mode_update_property; 541 struct drm_property *implicit_placement_property; 542 struct mutex global_kms_state_mutex; 543 spinlock_t cursor_lock; 544 struct drm_atomic_state *suspend_state; 545 546 /* 547 * Context and surface management. 548 */ 549 550 spinlock_t resource_lock; 551 struct idr res_idr[vmw_res_max]; 552 553 /* 554 * A resource manager for kernel-only surfaces and 555 * contexts. 556 */ 557 558 struct ttm_object_device *tdev; 559 560 /* 561 * Fencing and IRQs. 562 */ 563 564 atomic_t marker_seq; 565 wait_queue_head_t fence_queue; 566 wait_queue_head_t fifo_queue; 567 spinlock_t waiter_lock; 568 int fence_queue_waiters; /* Protected by waiter_lock */ 569 int goal_queue_waiters; /* Protected by waiter_lock */ 570 int cmdbuf_waiters; /* Protected by waiter_lock */ 571 int error_waiters; /* Protected by waiter_lock */ 572 int fifo_queue_waiters; /* Protected by waiter_lock */ 573 uint32_t last_read_seqno; 574 struct vmw_fence_manager *fman; 575 uint32_t irq_mask; /* Updates protected by waiter_lock */ 576 577 /* 578 * Device state 579 */ 580 581 uint32_t traces_state; 582 uint32_t enable_state; 583 uint32_t config_done_state; 584 585 /** 586 * Execbuf 587 */ 588 /** 589 * Protected by the cmdbuf mutex. 590 */ 591 592 struct vmw_sw_context ctx; 593 struct mutex cmdbuf_mutex; 594 struct mutex binding_mutex; 595 596 /** 597 * Operating mode. 598 */ 599 600 bool stealth; 601 bool enable_fb; 602 spinlock_t svga_lock; 603 604 /** 605 * PM management. 606 */ 607 struct notifier_block pm_nb; 608 bool refuse_hibernation; 609 bool suspend_locked; 610 611 struct mutex release_mutex; 612 atomic_t num_fifo_resources; 613 614 /* 615 * Replace this with an rwsem as soon as we have down_xx_interruptible() 616 */ 617 struct ttm_lock reservation_sem; 618 619 /* 620 * Query processing. These members 621 * are protected by the cmdbuf mutex. 622 */ 623 624 struct vmw_buffer_object *dummy_query_bo; 625 struct vmw_buffer_object *pinned_bo; 626 uint32_t query_cid; 627 uint32_t query_cid_valid; 628 bool dummy_query_bo_pinned; 629 630 /* 631 * Surface swapping. The "surface_lru" list is protected by the 632 * resource lock in order to be able to destroy a surface and take 633 * it off the lru atomically. "used_memory_size" is currently 634 * protected by the cmdbuf mutex for simplicity. 635 */ 636 637 struct list_head res_lru[vmw_res_max]; 638 uint32_t used_memory_size; 639 640 /* 641 * DMA mapping stuff. 642 */ 643 enum vmw_dma_map_mode map_mode; 644 645 /* 646 * Guest Backed stuff 647 */ 648 struct vmw_otable_batch otable_batch; 649 650 struct vmw_cmdbuf_man *cman; 651 DECLARE_BITMAP(irqthread_pending, VMW_IRQTHREAD_MAX); 652 653 /* Validation memory reservation */ 654 struct vmw_validation_mem vvm; 655 }; 656 657 static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) 658 { 659 return container_of(res, struct vmw_surface, res); 660 } 661 662 static inline struct vmw_private *vmw_priv(struct drm_device *dev) 663 { 664 return (struct vmw_private *)dev->dev_private; 665 } 666 667 static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv) 668 { 669 return (struct vmw_fpriv *)file_priv->driver_priv; 670 } 671 672 /* 673 * The locking here is fine-grained, so that it is performed once 674 * for every read- and write operation. This is of course costly, but we 675 * don't perform much register access in the timing critical paths anyway. 676 * Instead we have the extra benefit of being sure that we don't forget 677 * the hw lock around register accesses. 678 */ 679 static inline void vmw_write(struct vmw_private *dev_priv, 680 unsigned int offset, uint32_t value) 681 { 682 spin_lock(&dev_priv->hw_lock); 683 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 684 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT); 685 spin_unlock(&dev_priv->hw_lock); 686 } 687 688 static inline uint32_t vmw_read(struct vmw_private *dev_priv, 689 unsigned int offset) 690 { 691 u32 val; 692 693 spin_lock(&dev_priv->hw_lock); 694 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT); 695 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT); 696 spin_unlock(&dev_priv->hw_lock); 697 698 return val; 699 } 700 701 /** 702 * has_sm4_context - Does the device support SM4 context. 703 * @dev_priv: Device private. 704 * 705 * Return: Bool value if device support SM4 context or not. 706 */ 707 static inline bool has_sm4_context(const struct vmw_private *dev_priv) 708 { 709 return (dev_priv->sm_type >= VMW_SM_4); 710 } 711 712 /** 713 * has_sm4_1_context - Does the device support SM4_1 context. 714 * @dev_priv: Device private. 715 * 716 * Return: Bool value if device support SM4_1 context or not. 717 */ 718 static inline bool has_sm4_1_context(const struct vmw_private *dev_priv) 719 { 720 return (dev_priv->sm_type >= VMW_SM_4_1); 721 } 722 723 /** 724 * has_sm5_context - Does the device support SM5 context. 725 * @dev_priv: Device private. 726 * 727 * Return: Bool value if device support SM5 context or not. 728 */ 729 static inline bool has_sm5_context(const struct vmw_private *dev_priv) 730 { 731 return (dev_priv->sm_type >= VMW_SM_5); 732 } 733 734 extern void vmw_svga_enable(struct vmw_private *dev_priv); 735 extern void vmw_svga_disable(struct vmw_private *dev_priv); 736 737 738 /** 739 * GMR utilities - vmwgfx_gmr.c 740 */ 741 742 extern int vmw_gmr_bind(struct vmw_private *dev_priv, 743 const struct vmw_sg_table *vsgt, 744 unsigned long num_pages, 745 int gmr_id); 746 extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id); 747 748 /** 749 * Resource utilities - vmwgfx_resource.c 750 */ 751 struct vmw_user_resource_conv; 752 753 extern void vmw_resource_unreference(struct vmw_resource **p_res); 754 extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res); 755 extern struct vmw_resource * 756 vmw_resource_reference_unless_doomed(struct vmw_resource *res); 757 extern int vmw_resource_validate(struct vmw_resource *res, bool intr, 758 bool dirtying); 759 extern int vmw_resource_reserve(struct vmw_resource *res, bool interruptible, 760 bool no_backup); 761 extern bool vmw_resource_needs_backup(const struct vmw_resource *res); 762 extern int vmw_user_lookup_handle(struct vmw_private *dev_priv, 763 struct ttm_object_file *tfile, 764 uint32_t handle, 765 struct vmw_surface **out_surf, 766 struct vmw_buffer_object **out_buf); 767 extern int vmw_user_resource_lookup_handle( 768 struct vmw_private *dev_priv, 769 struct ttm_object_file *tfile, 770 uint32_t handle, 771 const struct vmw_user_resource_conv *converter, 772 struct vmw_resource **p_res); 773 extern struct vmw_resource * 774 vmw_user_resource_noref_lookup_handle(struct vmw_private *dev_priv, 775 struct ttm_object_file *tfile, 776 uint32_t handle, 777 const struct vmw_user_resource_conv * 778 converter); 779 extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data, 780 struct drm_file *file_priv); 781 extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data, 782 struct drm_file *file_priv); 783 extern int vmw_user_stream_lookup(struct vmw_private *dev_priv, 784 struct ttm_object_file *tfile, 785 uint32_t *inout_id, 786 struct vmw_resource **out); 787 extern void vmw_resource_unreserve(struct vmw_resource *res, 788 bool dirty_set, 789 bool dirty, 790 bool switch_backup, 791 struct vmw_buffer_object *new_backup, 792 unsigned long new_backup_offset); 793 extern void vmw_query_move_notify(struct ttm_buffer_object *bo, 794 struct ttm_mem_reg *mem); 795 extern int vmw_query_readback_all(struct vmw_buffer_object *dx_query_mob); 796 extern void vmw_resource_evict_all(struct vmw_private *dev_priv); 797 extern void vmw_resource_unbind_list(struct vmw_buffer_object *vbo); 798 void vmw_resource_mob_attach(struct vmw_resource *res); 799 void vmw_resource_mob_detach(struct vmw_resource *res); 800 void vmw_resource_dirty_update(struct vmw_resource *res, pgoff_t start, 801 pgoff_t end); 802 int vmw_resources_clean(struct vmw_buffer_object *vbo, pgoff_t start, 803 pgoff_t end, pgoff_t *num_prefault); 804 805 /** 806 * vmw_resource_mob_attached - Whether a resource currently has a mob attached 807 * @res: The resource 808 * 809 * Return: true if the resource has a mob attached, false otherwise. 810 */ 811 static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) 812 { 813 return !RB_EMPTY_NODE(&res->mob_node); 814 } 815 816 /** 817 * vmw_user_resource_noref_release - release a user resource pointer looked up 818 * without reference 819 */ 820 static inline void vmw_user_resource_noref_release(void) 821 { 822 ttm_base_object_noref_release(); 823 } 824 825 /** 826 * Buffer object helper functions - vmwgfx_bo.c 827 */ 828 extern int vmw_bo_pin_in_placement(struct vmw_private *vmw_priv, 829 struct vmw_buffer_object *bo, 830 struct ttm_placement *placement, 831 bool interruptible); 832 extern int vmw_bo_pin_in_vram(struct vmw_private *dev_priv, 833 struct vmw_buffer_object *buf, 834 bool interruptible); 835 extern int vmw_bo_pin_in_vram_or_gmr(struct vmw_private *dev_priv, 836 struct vmw_buffer_object *buf, 837 bool interruptible); 838 extern int vmw_bo_pin_in_start_of_vram(struct vmw_private *vmw_priv, 839 struct vmw_buffer_object *bo, 840 bool interruptible); 841 extern int vmw_bo_unpin(struct vmw_private *vmw_priv, 842 struct vmw_buffer_object *bo, 843 bool interruptible); 844 extern void vmw_bo_get_guest_ptr(const struct ttm_buffer_object *buf, 845 SVGAGuestPtr *ptr); 846 extern void vmw_bo_pin_reserved(struct vmw_buffer_object *bo, bool pin); 847 extern void vmw_bo_bo_free(struct ttm_buffer_object *bo); 848 extern int vmw_bo_init(struct vmw_private *dev_priv, 849 struct vmw_buffer_object *vmw_bo, 850 size_t size, struct ttm_placement *placement, 851 bool interuptable, 852 void (*bo_free)(struct ttm_buffer_object *bo)); 853 extern int vmw_user_bo_verify_access(struct ttm_buffer_object *bo, 854 struct ttm_object_file *tfile); 855 extern int vmw_user_bo_alloc(struct vmw_private *dev_priv, 856 struct ttm_object_file *tfile, 857 uint32_t size, 858 bool shareable, 859 uint32_t *handle, 860 struct vmw_buffer_object **p_dma_buf, 861 struct ttm_base_object **p_base); 862 extern int vmw_user_bo_reference(struct ttm_object_file *tfile, 863 struct vmw_buffer_object *dma_buf, 864 uint32_t *handle); 865 extern int vmw_bo_alloc_ioctl(struct drm_device *dev, void *data, 866 struct drm_file *file_priv); 867 extern int vmw_bo_unref_ioctl(struct drm_device *dev, void *data, 868 struct drm_file *file_priv); 869 extern int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, 870 struct drm_file *file_priv); 871 extern int vmw_user_bo_lookup(struct ttm_object_file *tfile, 872 uint32_t id, struct vmw_buffer_object **out, 873 struct ttm_base_object **base); 874 extern void vmw_bo_fence_single(struct ttm_buffer_object *bo, 875 struct vmw_fence_obj *fence); 876 extern void *vmw_bo_map_and_cache(struct vmw_buffer_object *vbo); 877 extern void vmw_bo_unmap(struct vmw_buffer_object *vbo); 878 extern void vmw_bo_move_notify(struct ttm_buffer_object *bo, 879 struct ttm_mem_reg *mem); 880 extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo); 881 extern struct vmw_buffer_object * 882 vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle); 883 884 /** 885 * vmw_user_bo_noref_release - release a buffer object pointer looked up 886 * without reference 887 */ 888 static inline void vmw_user_bo_noref_release(void) 889 { 890 ttm_base_object_noref_release(); 891 } 892 893 /** 894 * vmw_bo_adjust_prio - Adjust the buffer object eviction priority 895 * according to attached resources 896 * @vbo: The struct vmw_buffer_object 897 */ 898 static inline void vmw_bo_prio_adjust(struct vmw_buffer_object *vbo) 899 { 900 int i = ARRAY_SIZE(vbo->res_prios); 901 902 while (i--) { 903 if (vbo->res_prios[i]) { 904 vbo->base.priority = i; 905 return; 906 } 907 } 908 909 vbo->base.priority = 3; 910 } 911 912 /** 913 * vmw_bo_prio_add - Notify a buffer object of a newly attached resource 914 * eviction priority 915 * @vbo: The struct vmw_buffer_object 916 * @prio: The resource priority 917 * 918 * After being notified, the code assigns the highest resource eviction priority 919 * to the backing buffer object (mob). 920 */ 921 static inline void vmw_bo_prio_add(struct vmw_buffer_object *vbo, int prio) 922 { 923 if (vbo->res_prios[prio]++ == 0) 924 vmw_bo_prio_adjust(vbo); 925 } 926 927 /** 928 * vmw_bo_prio_del - Notify a buffer object of a resource with a certain 929 * priority being removed 930 * @vbo: The struct vmw_buffer_object 931 * @prio: The resource priority 932 * 933 * After being notified, the code assigns the highest resource eviction priority 934 * to the backing buffer object (mob). 935 */ 936 static inline void vmw_bo_prio_del(struct vmw_buffer_object *vbo, int prio) 937 { 938 if (--vbo->res_prios[prio] == 0) 939 vmw_bo_prio_adjust(vbo); 940 } 941 942 /** 943 * Misc Ioctl functionality - vmwgfx_ioctl.c 944 */ 945 946 extern int vmw_getparam_ioctl(struct drm_device *dev, void *data, 947 struct drm_file *file_priv); 948 extern int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, 949 struct drm_file *file_priv); 950 extern int vmw_present_ioctl(struct drm_device *dev, void *data, 951 struct drm_file *file_priv); 952 extern int vmw_present_readback_ioctl(struct drm_device *dev, void *data, 953 struct drm_file *file_priv); 954 extern __poll_t vmw_fops_poll(struct file *filp, 955 struct poll_table_struct *wait); 956 extern ssize_t vmw_fops_read(struct file *filp, char __user *buffer, 957 size_t count, loff_t *offset); 958 959 /** 960 * Fifo utilities - vmwgfx_fifo.c 961 */ 962 963 extern int vmw_fifo_init(struct vmw_private *dev_priv, 964 struct vmw_fifo_state *fifo); 965 extern void vmw_fifo_release(struct vmw_private *dev_priv, 966 struct vmw_fifo_state *fifo); 967 extern void * 968 vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes, int ctx_id); 969 extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes); 970 extern void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes); 971 extern int vmw_fifo_send_fence(struct vmw_private *dev_priv, 972 uint32_t *seqno); 973 extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason); 974 extern bool vmw_fifo_have_3d(struct vmw_private *dev_priv); 975 extern bool vmw_fifo_have_pitchlock(struct vmw_private *dev_priv); 976 extern int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv, 977 uint32_t cid); 978 extern int vmw_fifo_flush(struct vmw_private *dev_priv, 979 bool interruptible); 980 981 #define VMW_FIFO_RESERVE_DX(__priv, __bytes, __ctx_id) \ 982 ({ \ 983 vmw_fifo_reserve_dx(__priv, __bytes, __ctx_id) ? : ({ \ 984 DRM_ERROR("FIFO reserve failed at %s for %u bytes\n", \ 985 __func__, (unsigned int) __bytes); \ 986 NULL; \ 987 }); \ 988 }) 989 990 #define VMW_FIFO_RESERVE(__priv, __bytes) \ 991 VMW_FIFO_RESERVE_DX(__priv, __bytes, SVGA3D_INVALID_ID) 992 993 /** 994 * TTM glue - vmwgfx_ttm_glue.c 995 */ 996 997 extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma); 998 999 extern void vmw_validation_mem_init_ttm(struct vmw_private *dev_priv, 1000 size_t gran); 1001 /** 1002 * TTM buffer object driver - vmwgfx_ttm_buffer.c 1003 */ 1004 1005 extern const size_t vmw_tt_size; 1006 extern struct ttm_placement vmw_vram_placement; 1007 extern struct ttm_placement vmw_vram_ne_placement; 1008 extern struct ttm_placement vmw_vram_sys_placement; 1009 extern struct ttm_placement vmw_vram_gmr_placement; 1010 extern struct ttm_placement vmw_vram_gmr_ne_placement; 1011 extern struct ttm_placement vmw_sys_placement; 1012 extern struct ttm_placement vmw_sys_ne_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_mob_ne_placement; 1017 extern struct ttm_placement vmw_nonfixed_placement; 1018 extern struct ttm_bo_driver vmw_bo_driver; 1019 extern int vmw_bo_map_dma(struct ttm_buffer_object *bo); 1020 extern void vmw_bo_unmap_dma(struct ttm_buffer_object *bo); 1021 extern const struct vmw_sg_table * 1022 vmw_bo_sg_table(struct ttm_buffer_object *bo); 1023 extern void vmw_piter_start(struct vmw_piter *viter, 1024 const struct vmw_sg_table *vsgt, 1025 unsigned long p_offs); 1026 1027 /** 1028 * vmw_piter_next - Advance the iterator one page. 1029 * 1030 * @viter: Pointer to the iterator to advance. 1031 * 1032 * Returns false if past the list of pages, true otherwise. 1033 */ 1034 static inline bool vmw_piter_next(struct vmw_piter *viter) 1035 { 1036 return viter->next(viter); 1037 } 1038 1039 /** 1040 * vmw_piter_dma_addr - Return the DMA address of the current page. 1041 * 1042 * @viter: Pointer to the iterator 1043 * 1044 * Returns the DMA address of the page pointed to by @viter. 1045 */ 1046 static inline dma_addr_t vmw_piter_dma_addr(struct vmw_piter *viter) 1047 { 1048 return viter->dma_address(viter); 1049 } 1050 1051 /** 1052 * vmw_piter_page - Return a pointer to the current page. 1053 * 1054 * @viter: Pointer to the iterator 1055 * 1056 * Returns the DMA address of the page pointed to by @viter. 1057 */ 1058 static inline struct page *vmw_piter_page(struct vmw_piter *viter) 1059 { 1060 return viter->page(viter); 1061 } 1062 1063 /** 1064 * Command submission - vmwgfx_execbuf.c 1065 */ 1066 1067 extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data, 1068 struct drm_file *file_priv); 1069 extern int vmw_execbuf_process(struct drm_file *file_priv, 1070 struct vmw_private *dev_priv, 1071 void __user *user_commands, 1072 void *kernel_commands, 1073 uint32_t command_size, 1074 uint64_t throttle_us, 1075 uint32_t dx_context_handle, 1076 struct drm_vmw_fence_rep __user 1077 *user_fence_rep, 1078 struct vmw_fence_obj **out_fence, 1079 uint32_t flags); 1080 extern void __vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv, 1081 struct vmw_fence_obj *fence); 1082 extern void vmw_execbuf_release_pinned_bo(struct vmw_private *dev_priv); 1083 1084 extern int vmw_execbuf_fence_commands(struct drm_file *file_priv, 1085 struct vmw_private *dev_priv, 1086 struct vmw_fence_obj **p_fence, 1087 uint32_t *p_handle); 1088 extern void vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv, 1089 struct vmw_fpriv *vmw_fp, 1090 int ret, 1091 struct drm_vmw_fence_rep __user 1092 *user_fence_rep, 1093 struct vmw_fence_obj *fence, 1094 uint32_t fence_handle, 1095 int32_t out_fence_fd, 1096 struct sync_file *sync_file); 1097 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd); 1098 1099 /** 1100 * IRQs and wating - vmwgfx_irq.c 1101 */ 1102 1103 extern int vmw_wait_seqno(struct vmw_private *dev_priv, bool lazy, 1104 uint32_t seqno, bool interruptible, 1105 unsigned long timeout); 1106 extern int vmw_irq_install(struct drm_device *dev, int irq); 1107 extern void vmw_irq_uninstall(struct drm_device *dev); 1108 extern bool vmw_seqno_passed(struct vmw_private *dev_priv, 1109 uint32_t seqno); 1110 extern int vmw_fallback_wait(struct vmw_private *dev_priv, 1111 bool lazy, 1112 bool fifo_idle, 1113 uint32_t seqno, 1114 bool interruptible, 1115 unsigned long timeout); 1116 extern void vmw_update_seqno(struct vmw_private *dev_priv, 1117 struct vmw_fifo_state *fifo_state); 1118 extern void vmw_seqno_waiter_add(struct vmw_private *dev_priv); 1119 extern void vmw_seqno_waiter_remove(struct vmw_private *dev_priv); 1120 extern void vmw_goal_waiter_add(struct vmw_private *dev_priv); 1121 extern void vmw_goal_waiter_remove(struct vmw_private *dev_priv); 1122 extern void vmw_generic_waiter_add(struct vmw_private *dev_priv, u32 flag, 1123 int *waiter_count); 1124 extern void vmw_generic_waiter_remove(struct vmw_private *dev_priv, 1125 u32 flag, int *waiter_count); 1126 1127 /** 1128 * Rudimentary fence-like objects currently used only for throttling - 1129 * vmwgfx_marker.c 1130 */ 1131 1132 extern void vmw_marker_queue_init(struct vmw_marker_queue *queue); 1133 extern void vmw_marker_queue_takedown(struct vmw_marker_queue *queue); 1134 extern int vmw_marker_push(struct vmw_marker_queue *queue, 1135 uint32_t seqno); 1136 extern int vmw_marker_pull(struct vmw_marker_queue *queue, 1137 uint32_t signaled_seqno); 1138 extern int vmw_wait_lag(struct vmw_private *dev_priv, 1139 struct vmw_marker_queue *queue, uint32_t us); 1140 1141 /** 1142 * Kernel framebuffer - vmwgfx_fb.c 1143 */ 1144 1145 int vmw_fb_init(struct vmw_private *vmw_priv); 1146 int vmw_fb_close(struct vmw_private *dev_priv); 1147 int vmw_fb_off(struct vmw_private *vmw_priv); 1148 int vmw_fb_on(struct vmw_private *vmw_priv); 1149 1150 /** 1151 * Kernel modesetting - vmwgfx_kms.c 1152 */ 1153 1154 int vmw_kms_init(struct vmw_private *dev_priv); 1155 int vmw_kms_close(struct vmw_private *dev_priv); 1156 int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data, 1157 struct drm_file *file_priv); 1158 void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv); 1159 void vmw_kms_cursor_snoop(struct vmw_surface *srf, 1160 struct ttm_object_file *tfile, 1161 struct ttm_buffer_object *bo, 1162 SVGA3dCmdHeader *header); 1163 int vmw_kms_write_svga(struct vmw_private *vmw_priv, 1164 unsigned width, unsigned height, unsigned pitch, 1165 unsigned bpp, unsigned depth); 1166 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv, 1167 uint32_t pitch, 1168 uint32_t height); 1169 u32 vmw_get_vblank_counter(struct drm_crtc *crtc); 1170 int vmw_enable_vblank(struct drm_crtc *crtc); 1171 void vmw_disable_vblank(struct drm_crtc *crtc); 1172 int vmw_kms_present(struct vmw_private *dev_priv, 1173 struct drm_file *file_priv, 1174 struct vmw_framebuffer *vfb, 1175 struct vmw_surface *surface, 1176 uint32_t sid, int32_t destX, int32_t destY, 1177 struct drm_vmw_rect *clips, 1178 uint32_t num_clips); 1179 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, 1180 struct drm_file *file_priv); 1181 void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv); 1182 int vmw_kms_suspend(struct drm_device *dev); 1183 int vmw_kms_resume(struct drm_device *dev); 1184 void vmw_kms_lost_device(struct drm_device *dev); 1185 1186 int vmw_dumb_create(struct drm_file *file_priv, 1187 struct drm_device *dev, 1188 struct drm_mode_create_dumb *args); 1189 1190 int vmw_dumb_map_offset(struct drm_file *file_priv, 1191 struct drm_device *dev, uint32_t handle, 1192 uint64_t *offset); 1193 int vmw_dumb_destroy(struct drm_file *file_priv, 1194 struct drm_device *dev, 1195 uint32_t handle); 1196 extern int vmw_resource_pin(struct vmw_resource *res, bool interruptible); 1197 extern void vmw_resource_unpin(struct vmw_resource *res); 1198 extern enum vmw_res_type vmw_res_type(const struct vmw_resource *res); 1199 1200 /** 1201 * Overlay control - vmwgfx_overlay.c 1202 */ 1203 1204 int vmw_overlay_init(struct vmw_private *dev_priv); 1205 int vmw_overlay_close(struct vmw_private *dev_priv); 1206 int vmw_overlay_ioctl(struct drm_device *dev, void *data, 1207 struct drm_file *file_priv); 1208 int vmw_overlay_resume_all(struct vmw_private *dev_priv); 1209 int vmw_overlay_pause_all(struct vmw_private *dev_priv); 1210 int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out); 1211 int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id); 1212 int vmw_overlay_num_overlays(struct vmw_private *dev_priv); 1213 int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv); 1214 1215 /** 1216 * GMR Id manager 1217 */ 1218 1219 extern const struct ttm_mem_type_manager_func vmw_gmrid_manager_func; 1220 1221 /** 1222 * Prime - vmwgfx_prime.c 1223 */ 1224 1225 extern const struct dma_buf_ops vmw_prime_dmabuf_ops; 1226 extern int vmw_prime_fd_to_handle(struct drm_device *dev, 1227 struct drm_file *file_priv, 1228 int fd, u32 *handle); 1229 extern int vmw_prime_handle_to_fd(struct drm_device *dev, 1230 struct drm_file *file_priv, 1231 uint32_t handle, uint32_t flags, 1232 int *prime_fd); 1233 1234 /* 1235 * MemoryOBject management - vmwgfx_mob.c 1236 */ 1237 struct vmw_mob; 1238 extern int vmw_mob_bind(struct vmw_private *dev_priv, struct vmw_mob *mob, 1239 const struct vmw_sg_table *vsgt, 1240 unsigned long num_data_pages, int32_t mob_id); 1241 extern void vmw_mob_unbind(struct vmw_private *dev_priv, 1242 struct vmw_mob *mob); 1243 extern void vmw_mob_destroy(struct vmw_mob *mob); 1244 extern struct vmw_mob *vmw_mob_create(unsigned long data_pages); 1245 extern int vmw_otables_setup(struct vmw_private *dev_priv); 1246 extern void vmw_otables_takedown(struct vmw_private *dev_priv); 1247 1248 /* 1249 * Context management - vmwgfx_context.c 1250 */ 1251 1252 extern const struct vmw_user_resource_conv *user_context_converter; 1253 1254 extern int vmw_context_define_ioctl(struct drm_device *dev, void *data, 1255 struct drm_file *file_priv); 1256 extern int vmw_extended_context_define_ioctl(struct drm_device *dev, void *data, 1257 struct drm_file *file_priv); 1258 extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data, 1259 struct drm_file *file_priv); 1260 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1261 extern struct vmw_cmdbuf_res_manager * 1262 vmw_context_res_man(struct vmw_resource *ctx); 1263 extern struct vmw_resource *vmw_context_cotable(struct vmw_resource *ctx, 1264 SVGACOTableType cotable_type); 1265 extern struct list_head *vmw_context_binding_list(struct vmw_resource *ctx); 1266 struct vmw_ctx_binding_state; 1267 extern struct vmw_ctx_binding_state * 1268 vmw_context_binding_state(struct vmw_resource *ctx); 1269 extern void vmw_dx_context_scrub_cotables(struct vmw_resource *ctx, 1270 bool readback); 1271 extern int vmw_context_bind_dx_query(struct vmw_resource *ctx_res, 1272 struct vmw_buffer_object *mob); 1273 extern struct vmw_buffer_object * 1274 vmw_context_get_dx_query_mob(struct vmw_resource *ctx_res); 1275 1276 1277 /* 1278 * Surface management - vmwgfx_surface.c 1279 */ 1280 1281 extern const struct vmw_user_resource_conv *user_surface_converter; 1282 1283 extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data, 1284 struct drm_file *file_priv); 1285 extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 1286 struct drm_file *file_priv); 1287 extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data, 1288 struct drm_file *file_priv); 1289 extern int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, 1290 struct drm_file *file_priv); 1291 extern int vmw_gb_surface_reference_ioctl(struct drm_device *dev, void *data, 1292 struct drm_file *file_priv); 1293 int vmw_surface_gb_priv_define(struct drm_device *dev, 1294 uint32_t user_accounting_size, 1295 SVGA3dSurfaceAllFlags svga3d_flags, 1296 SVGA3dSurfaceFormat format, 1297 bool for_scanout, 1298 uint32_t num_mip_levels, 1299 uint32_t multisample_count, 1300 uint32_t array_size, 1301 struct drm_vmw_size size, 1302 SVGA3dMSPattern multisample_pattern, 1303 SVGA3dMSQualityLevel quality_level, 1304 struct vmw_surface **srf_out); 1305 extern int vmw_gb_surface_define_ext_ioctl(struct drm_device *dev, 1306 void *data, 1307 struct drm_file *file_priv); 1308 extern int vmw_gb_surface_reference_ext_ioctl(struct drm_device *dev, 1309 void *data, 1310 struct drm_file *file_priv); 1311 1312 /* 1313 * Shader management - vmwgfx_shader.c 1314 */ 1315 1316 extern const struct vmw_user_resource_conv *user_shader_converter; 1317 1318 extern int vmw_shader_define_ioctl(struct drm_device *dev, void *data, 1319 struct drm_file *file_priv); 1320 extern int vmw_shader_destroy_ioctl(struct drm_device *dev, void *data, 1321 struct drm_file *file_priv); 1322 extern int vmw_compat_shader_add(struct vmw_private *dev_priv, 1323 struct vmw_cmdbuf_res_manager *man, 1324 u32 user_key, const void *bytecode, 1325 SVGA3dShaderType shader_type, 1326 size_t size, 1327 struct list_head *list); 1328 extern int vmw_shader_remove(struct vmw_cmdbuf_res_manager *man, 1329 u32 user_key, SVGA3dShaderType shader_type, 1330 struct list_head *list); 1331 extern int vmw_dx_shader_add(struct vmw_cmdbuf_res_manager *man, 1332 struct vmw_resource *ctx, 1333 u32 user_key, 1334 SVGA3dShaderType shader_type, 1335 struct list_head *list); 1336 extern void vmw_dx_shader_cotable_list_scrub(struct vmw_private *dev_priv, 1337 struct list_head *list, 1338 bool readback); 1339 1340 extern struct vmw_resource * 1341 vmw_shader_lookup(struct vmw_cmdbuf_res_manager *man, 1342 u32 user_key, SVGA3dShaderType shader_type); 1343 1344 /* 1345 * Streamoutput management 1346 */ 1347 struct vmw_resource * 1348 vmw_dx_streamoutput_lookup(struct vmw_cmdbuf_res_manager *man, 1349 u32 user_key); 1350 int vmw_dx_streamoutput_add(struct vmw_cmdbuf_res_manager *man, 1351 struct vmw_resource *ctx, 1352 SVGA3dStreamOutputId user_key, 1353 struct list_head *list); 1354 void vmw_dx_streamoutput_set_size(struct vmw_resource *res, u32 size); 1355 int vmw_dx_streamoutput_remove(struct vmw_cmdbuf_res_manager *man, 1356 SVGA3dStreamOutputId user_key, 1357 struct list_head *list); 1358 void vmw_dx_streamoutput_cotable_list_scrub(struct vmw_private *dev_priv, 1359 struct list_head *list, 1360 bool readback); 1361 1362 /* 1363 * Command buffer managed resources - vmwgfx_cmdbuf_res.c 1364 */ 1365 1366 extern struct vmw_cmdbuf_res_manager * 1367 vmw_cmdbuf_res_man_create(struct vmw_private *dev_priv); 1368 extern void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man); 1369 extern size_t vmw_cmdbuf_res_man_size(void); 1370 extern struct vmw_resource * 1371 vmw_cmdbuf_res_lookup(struct vmw_cmdbuf_res_manager *man, 1372 enum vmw_cmdbuf_res_type res_type, 1373 u32 user_key); 1374 extern void vmw_cmdbuf_res_revert(struct list_head *list); 1375 extern void vmw_cmdbuf_res_commit(struct list_head *list); 1376 extern int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man, 1377 enum vmw_cmdbuf_res_type res_type, 1378 u32 user_key, 1379 struct vmw_resource *res, 1380 struct list_head *list); 1381 extern int vmw_cmdbuf_res_remove(struct vmw_cmdbuf_res_manager *man, 1382 enum vmw_cmdbuf_res_type res_type, 1383 u32 user_key, 1384 struct list_head *list, 1385 struct vmw_resource **res); 1386 1387 /* 1388 * COTable management - vmwgfx_cotable.c 1389 */ 1390 extern const SVGACOTableType vmw_cotable_scrub_order[]; 1391 extern struct vmw_resource *vmw_cotable_alloc(struct vmw_private *dev_priv, 1392 struct vmw_resource *ctx, 1393 u32 type); 1394 extern int vmw_cotable_notify(struct vmw_resource *res, int id); 1395 extern int vmw_cotable_scrub(struct vmw_resource *res, bool readback); 1396 extern void vmw_cotable_add_resource(struct vmw_resource *ctx, 1397 struct list_head *head); 1398 1399 /* 1400 * Command buffer managerment vmwgfx_cmdbuf.c 1401 */ 1402 struct vmw_cmdbuf_man; 1403 struct vmw_cmdbuf_header; 1404 1405 extern struct vmw_cmdbuf_man * 1406 vmw_cmdbuf_man_create(struct vmw_private *dev_priv); 1407 extern int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man, 1408 size_t size, size_t default_size); 1409 extern void vmw_cmdbuf_remove_pool(struct vmw_cmdbuf_man *man); 1410 extern void vmw_cmdbuf_man_destroy(struct vmw_cmdbuf_man *man); 1411 extern int vmw_cmdbuf_idle(struct vmw_cmdbuf_man *man, bool interruptible, 1412 unsigned long timeout); 1413 extern void *vmw_cmdbuf_reserve(struct vmw_cmdbuf_man *man, size_t size, 1414 int ctx_id, bool interruptible, 1415 struct vmw_cmdbuf_header *header); 1416 extern void vmw_cmdbuf_commit(struct vmw_cmdbuf_man *man, size_t size, 1417 struct vmw_cmdbuf_header *header, 1418 bool flush); 1419 extern void *vmw_cmdbuf_alloc(struct vmw_cmdbuf_man *man, 1420 size_t size, bool interruptible, 1421 struct vmw_cmdbuf_header **p_header); 1422 extern void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header); 1423 extern int vmw_cmdbuf_cur_flush(struct vmw_cmdbuf_man *man, 1424 bool interruptible); 1425 extern void vmw_cmdbuf_irqthread(struct vmw_cmdbuf_man *man); 1426 1427 /* CPU blit utilities - vmwgfx_blit.c */ 1428 1429 /** 1430 * struct vmw_diff_cpy - CPU blit information structure 1431 * 1432 * @rect: The output bounding box rectangle. 1433 * @line: The current line of the blit. 1434 * @line_offset: Offset of the current line segment. 1435 * @cpp: Bytes per pixel (granularity information). 1436 * @memcpy: Which memcpy function to use. 1437 */ 1438 struct vmw_diff_cpy { 1439 struct drm_rect rect; 1440 size_t line; 1441 size_t line_offset; 1442 int cpp; 1443 void (*do_cpy)(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1444 size_t n); 1445 }; 1446 1447 #define VMW_CPU_BLIT_INITIALIZER { \ 1448 .do_cpy = vmw_memcpy, \ 1449 } 1450 1451 #define VMW_CPU_BLIT_DIFF_INITIALIZER(_cpp) { \ 1452 .line = 0, \ 1453 .line_offset = 0, \ 1454 .rect = { .x1 = INT_MAX/2, \ 1455 .y1 = INT_MAX/2, \ 1456 .x2 = INT_MIN/2, \ 1457 .y2 = INT_MIN/2 \ 1458 }, \ 1459 .cpp = _cpp, \ 1460 .do_cpy = vmw_diff_memcpy, \ 1461 } 1462 1463 void vmw_diff_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, 1464 size_t n); 1465 1466 void vmw_memcpy(struct vmw_diff_cpy *diff, u8 *dest, const u8 *src, size_t n); 1467 1468 int vmw_bo_cpu_blit(struct ttm_buffer_object *dst, 1469 u32 dst_offset, u32 dst_stride, 1470 struct ttm_buffer_object *src, 1471 u32 src_offset, u32 src_stride, 1472 u32 w, u32 h, 1473 struct vmw_diff_cpy *diff); 1474 1475 /* Host messaging -vmwgfx_msg.c: */ 1476 int vmw_host_get_guestinfo(const char *guest_info_param, 1477 char *buffer, size_t *length); 1478 int vmw_host_log(const char *log); 1479 int vmw_msg_ioctl(struct drm_device *dev, void *data, 1480 struct drm_file *file_priv); 1481 1482 /* VMW logging */ 1483 1484 /** 1485 * VMW_DEBUG_USER - Debug output for user-space debugging. 1486 * 1487 * @fmt: printf() like format string. 1488 * 1489 * This macro is for logging user-space error and debugging messages for e.g. 1490 * command buffer execution errors due to malformed commands, invalid context, 1491 * etc. 1492 */ 1493 #define VMW_DEBUG_USER(fmt, ...) \ 1494 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1495 1496 /* Resource dirtying - vmwgfx_page_dirty.c */ 1497 void vmw_bo_dirty_scan(struct vmw_buffer_object *vbo); 1498 int vmw_bo_dirty_add(struct vmw_buffer_object *vbo); 1499 void vmw_bo_dirty_transfer_to_res(struct vmw_resource *res); 1500 void vmw_bo_dirty_clear_res(struct vmw_resource *res); 1501 void vmw_bo_dirty_release(struct vmw_buffer_object *vbo); 1502 void vmw_bo_dirty_unmap(struct vmw_buffer_object *vbo, 1503 pgoff_t start, pgoff_t end); 1504 vm_fault_t vmw_bo_vm_fault(struct vm_fault *vmf); 1505 vm_fault_t vmw_bo_vm_mkwrite(struct vm_fault *vmf); 1506 1507 /** 1508 * VMW_DEBUG_KMS - Debug output for kernel mode-setting 1509 * 1510 * This macro is for debugging vmwgfx mode-setting code. 1511 */ 1512 #define VMW_DEBUG_KMS(fmt, ...) \ 1513 DRM_DEBUG_DRIVER(fmt, ##__VA_ARGS__) 1514 1515 /** 1516 * Inline helper functions 1517 */ 1518 1519 static inline void vmw_surface_unreference(struct vmw_surface **srf) 1520 { 1521 struct vmw_surface *tmp_srf = *srf; 1522 struct vmw_resource *res = &tmp_srf->res; 1523 *srf = NULL; 1524 1525 vmw_resource_unreference(&res); 1526 } 1527 1528 static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf) 1529 { 1530 (void) vmw_resource_reference(&srf->res); 1531 return srf; 1532 } 1533 1534 static inline void vmw_bo_unreference(struct vmw_buffer_object **buf) 1535 { 1536 struct vmw_buffer_object *tmp_buf = *buf; 1537 1538 *buf = NULL; 1539 if (tmp_buf != NULL) { 1540 ttm_bo_put(&tmp_buf->base); 1541 } 1542 } 1543 1544 static inline struct vmw_buffer_object * 1545 vmw_bo_reference(struct vmw_buffer_object *buf) 1546 { 1547 ttm_bo_get(&buf->base); 1548 return buf; 1549 } 1550 1551 static inline struct ttm_mem_global *vmw_mem_glob(struct vmw_private *dev_priv) 1552 { 1553 return &ttm_mem_glob; 1554 } 1555 1556 static inline void vmw_fifo_resource_inc(struct vmw_private *dev_priv) 1557 { 1558 atomic_inc(&dev_priv->num_fifo_resources); 1559 } 1560 1561 static inline void vmw_fifo_resource_dec(struct vmw_private *dev_priv) 1562 { 1563 atomic_dec(&dev_priv->num_fifo_resources); 1564 } 1565 1566 /** 1567 * vmw_mmio_read - Perform a MMIO read from volatile memory 1568 * 1569 * @addr: The address to read from 1570 * 1571 * This function is intended to be equivalent to ioread32() on 1572 * memremap'd memory, but without byteswapping. 1573 */ 1574 static inline u32 vmw_mmio_read(u32 *addr) 1575 { 1576 return READ_ONCE(*addr); 1577 } 1578 1579 /** 1580 * vmw_mmio_write - Perform a MMIO write to volatile memory 1581 * 1582 * @addr: The address to write to 1583 * 1584 * This function is intended to be equivalent to iowrite32 on 1585 * memremap'd memory, but without byteswapping. 1586 */ 1587 static inline void vmw_mmio_write(u32 value, u32 *addr) 1588 { 1589 WRITE_ONCE(*addr, value); 1590 } 1591 #endif 1592